/* roulang page: index */
:root {
            --color-primary: #00E676;
            --color-primary-hover: #00FF66;
            --color-accent: #AA00FF;
            --color-bg: #0A0A0A;
            --color-card: #121212;
            --color-surface: #1A1A1A;
            --color-border: rgba(0, 230, 118, 0.2);
            --color-text: #E0E0E0;
            --color-text-muted: #AAAAAA;
            --color-text-weak: #777777;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-glow: 0 0 20px rgba(0, 230, 118, 0.4);
            --shadow-glow-lg: 0 0 40px rgba(0, 230, 118, 0.5);
            --shadow-purple: 0 0 20px rgba(170, 0, 255, 0.35);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-body: 'Microsoft YaHei', 'PingFang SC', 'Source Han Sans SC', sans-serif;
            --font-display: 'Orbitron', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.02em;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            transition: all var(--transition-normal);
        }
        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            transition: all var(--transition-fast);
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--color-primary) !important;
            box-shadow: 0 0 12px rgba(0, 230, 118, 0.3);
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 10, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.04em;
            text-decoration: none;
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), #00C853);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #121212;
            font-weight: 900;
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: #fff;
            text-shadow: 0 0 18px rgba(0, 230, 118, 0.5);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .btn-header {
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-normal);
        }
        .btn-header-primary {
            background: var(--color-primary);
            color: #121212;
            border: 2px solid var(--color-primary);
        }
        .btn-header-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }
        .btn-header-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-header-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
        }

        /* 图标网格导航 */
        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
            justify-content: center;
        }
        .nav-icon-grid::-webkit-scrollbar {
            display: none;
        }
        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.3rem;
            padding: 0.55rem 0.9rem;
            border-radius: var(--radius-md);
            color: var(--color-text-muted);
            text-decoration: none;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            position: relative;
            min-width: 64px;
        }
        .nav-icon-item .nav-icon {
            font-size: 1.3rem;
            transition: all var(--transition-fast);
        }
        .nav-icon-item:hover {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.06);
        }
        .nav-icon-item:hover .nav-icon {
            transform: translateY(-2px);
            text-shadow: 0 0 14px rgba(0, 230, 118, 0.5);
        }
        .nav-icon-item.active {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.1);
            font-weight: 700;
        }
        .nav-icon-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 20%;
            width: 60%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 230, 118, 0.6);
        }

        /* 汉堡菜单 */
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.4rem;
            transition: all var(--transition-fast);
            line-height: 1;
        }
        .hamburger-btn:hover {
            color: var(--color-primary);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(10, 10, 10, 0.97);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 1.2rem;
            padding: 2rem;
        }
        .mobile-nav-overlay.open {
            display: flex;
        }
        .mobile-nav-overlay .nav-icon-item {
            font-size: 1.1rem;
            padding: 0.8rem 1.5rem;
            flex-direction: row;
            gap: 0.8rem;
            min-width: 180px;
            justify-content: center;
        }
        .mobile-nav-overlay .nav-icon-item .nav-icon {
            font-size: 1.5rem;
        }
        .mobile-nav-close {
            position: absolute;
            top: 1.2rem;
            right: 1.5rem;
            background: none;
            border: none;
            color: #fff;
            font-size: 2rem;
            cursor: pointer;
            z-index: 1001;
            transition: color var(--transition-fast);
        }
        .mobile-nav-close:hover {
            color: var(--color-primary);
        }

        @media (max-width: 768px) {
            .nav-icon-grid {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .btn-header {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
        }

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-color: #0A0A0A;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-bottom: 1px solid rgba(0, 230, 118, 0.15);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 10, 10, 0.85) 0%, rgba(10, 10, 10, 0.55) 50%, rgba(10, 10, 10, 0.8) 100%);
            z-index: 1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-accent), var(--color-primary), transparent);
            z-index: 2;
            animation: heroLineGlow 4s ease-in-out infinite;
        }
        @keyframes heroLineGlow {
            0%,
            100% {
                opacity: 0.5;
            }
            50% {
                opacity: 1;
            }
        }
        .hero-content {
            position: relative;
            z-index: 3;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
            width: 100%;
            padding: 3rem 0;
        }
        .hero-text {
            flex: 1 1 400px;
            max-width: 620px;
        }
        .hero-badge {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            background: rgba(0, 230, 118, 0.12);
            border: 1px solid rgba(0, 230, 118, 0.3);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.05em;
            margin-bottom: 1rem;
        }
        .hero-title {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
            text-shadow: 0 0 40px rgba(0, 230, 118, 0.4), 0 0 80px rgba(0, 230, 118, 0.2);
        }
        .hero-title .highlight {
            color: var(--color-primary);
            text-shadow: 0 0 50px rgba(0, 230, 118, 0.6);
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-primary {
            display: inline-block;
            padding: 0.75rem 2rem;
            background: var(--color-primary);
            color: #121212;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.04em;
            text-decoration: none;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-normal);
            box-shadow: 0 0 0 rgba(0, 230, 118, 0);
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-2px);
            color: #121212;
        }
        .btn-secondary {
            display: inline-block;
            padding: 0.75rem 2rem;
            background: transparent;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.04em;
            text-decoration: none;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-normal);
        }
        .btn-secondary:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
            color: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
        }
        .hero-stats {
            flex: 0 0 auto;
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            z-index: 3;
        }
        .hero-stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 1.2rem 1.5rem;
            min-width: 100px;
            backdrop-filter: blur(4px);
        }
        .hero-stat-number {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            text-shadow: 0 0 20px rgba(0, 230, 118, 0.5);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 0.3rem;
            letter-spacing: 0.03em;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 340px;
            }
            .hero-content {
                flex-direction: column;
                text-align: center;
                padding: 2rem 0;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 0.95rem;
                margin: 0 auto 1.5rem;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-stats {
                justify-content: center;
                gap: 1rem;
            }
            .hero-stat-item {
                padding: 0.8rem 1rem;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.85rem;
            }
            .hero-stats {
                gap: 0.6rem;
            }
            .hero-stat-item {
                padding: 0.6rem 0.8rem;
                min-width: 70px;
            }
            .hero-stat-number {
                font-size: 1.2rem;
            }
            .hero-stat-label {
                font-size: 0.7rem;
            }
        }

        /* ============ SECTION 通用 ============ */
        .section {
            padding: 3.5rem 0;
        }
        .section-alt {
            background: #0D0D0D;
        }
        .section-dark {
            background: #080808;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            text-align: center;
            margin-bottom: 0.5rem;
            letter-spacing: 0.04em;
        }
        .section-subtitle {
            text-align: center;
            color: var(--color-text-muted);
            font-size: 1rem;
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .section-label {
            display: inline-block;
            padding: 0.25rem 0.8rem;
            background: rgba(0, 230, 118, 0.08);
            border: 1px solid rgba(0, 230, 118, 0.25);
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.05em;
            margin-bottom: 0.6rem;
            text-align: center;
        }
        @media (max-width: 768px) {
            .section {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 1.8rem;
            }
        }

        /* ============ 卡片通用 ============ */
        .card-glow {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .card-glow::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(0, 230, 118, 0.03) 0%, transparent 70%);
            opacity: 0;
            transition: opacity var(--transition-normal);
            pointer-events: none;
        }
        .card-glow:hover {
            border-color: rgba(0, 230, 118, 0.5);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .card-glow:hover::before {
            opacity: 1;
        }

        /* ============ 竖屏种草卡片 ============ */
        .vertical-scroll-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 230, 118, 0.3) transparent;
            padding-bottom: 0.5rem;
        }
        .vertical-scroll-wrapper::-webkit-scrollbar {
            height: 4px;
        }
        .vertical-scroll-wrapper::-webkit-scrollbar-track {
            background: transparent;
        }
        .vertical-scroll-wrapper::-webkit-scrollbar-thumb {
            background: rgba(0, 230, 118, 0.3);
            border-radius: 10px;
        }
        .vertical-card {
            flex: 0 0 200px;
            width: 200px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
            position: relative;
        }
        .vertical-card:hover {
            border-color: rgba(0, 230, 118, 0.5);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .vertical-card-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            display: block;
        }
        .vertical-card-body {
            padding: 1rem;
        }
        .vertical-card-tag {
            font-size: 0.7rem;
            color: var(--color-primary);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 0.3rem;
        }
        .vertical-card-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 0.3rem;
        }
        .vertical-card-desc {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .vertical-card {
                flex: 0 0 160px;
                width: 160px;
            }
            .vertical-card-img {
                height: 110px;
            }
            .vertical-card-body {
                padding: 0.7rem;
            }
            .vertical-card-title {
                font-size: 0.85rem;
            }
        }

        /* ============ 爆款清单 ============ */
        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.2rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            margin-bottom: 0.6rem;
        }
        .hot-list-item:hover {
            border-color: rgba(0, 230, 118, 0.35);
            background: rgba(0, 230, 118, 0.04);
            box-shadow: 0 0 16px rgba(0, 230, 118, 0.2);
        }
        .hot-rank {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            min-width: 40px;
            text-align: center;
            text-shadow: 0 0 12px rgba(0, 230, 118, 0.5);
        }
        .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-name {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .hot-prize {
            font-weight: 700;
            color: #FFD700;
            font-size: 0.9rem;
            white-space: nowrap;
        }
        .hot-status {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .status-live {
            background: rgba(255, 50, 50, 0.2);
            color: #FF4444;
            border: 1px solid rgba(255, 50, 50, 0.4);
            animation: pulseLive 1.5s ease-in-out infinite;
        }
        @keyframes pulseLive {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }
        .status-upcoming {
            background: rgba(0, 230, 118, 0.1);
            color: var(--color-primary);
            border: 1px solid rgba(0, 230, 118, 0.3);
        }

        /* ============ 评价墙 ============ */
        .review-summary {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            padding: 1.5rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            margin-bottom: 1.5rem;
        }
        .review-big-score {
            font-family: var(--font-display);
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--color-primary);
            text-shadow: 0 0 30px rgba(0, 230, 118, 0.5);
            line-height: 1;
        }
        .review-stars {
            color: #FFD700;
            font-size: 1.1rem;
            letter-spacing: 0.1em;
        }
        .review-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 1.2rem;
            transition: all var(--transition-normal);
            margin-bottom: 0.8rem;
        }
        .review-card:hover {
            border-color: rgba(0, 230, 118, 0.3);
            box-shadow: 0 0 14px rgba(0, 230, 118, 0.2);
        }
        .review-header {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            margin-bottom: 0.6rem;
        }
        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .review-name {
            font-weight: 700;
            color: #fff;
            font-size: 0.9rem;
        }
        .review-role {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }
        .review-text {
            color: var(--color-text);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ============ 套餐对比 ============ */
        .plan-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .plan-card:hover {
            border-color: rgba(0, 230, 118, 0.35);
            box-shadow: 0 0 24px rgba(0, 230, 118, 0.25);
            transform: translateY(-4px);
        }
        .plan-card.featured {
            border-color: rgba(0, 230, 118, 0.5);
            box-shadow: 0 0 30px rgba(0, 230, 118, 0.3);
            background: rgba(0, 230, 118, 0.05);
            transform: scale(1.03);
            z-index: 2;
        }
        .plan-card.featured:hover {
            box-shadow: var(--shadow-glow-lg);
            transform: scale(1.03) translateY(-4px);
        }
        .plan-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-primary);
            color: #121212;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 0.3rem 1rem;
            border-radius: 16px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .plan-name {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.04em;
        }
        .plan-price {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-primary);
            text-shadow: 0 0 20px rgba(0, 230, 118, 0.4);
            margin-bottom: 0.3rem;
            line-height: 1;
        }
        .plan-period {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 1.2rem;
        }
        .plan-features {
            list-style: none;
            text-align: left;
            margin-bottom: 1.5rem;
            flex: 1;
        }
        .plan-features li {
            padding: 0.4rem 0;
            font-size: 0.85rem;
            color: var(--color-text);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .plan-features li::before {
            content: '✓';
            color: var(--color-primary);
            font-weight: 700;
            flex-shrink: 0;
        }
        .btn-plan {
            display: block;
            width: 100%;
            padding: 0.7rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            text-align: center;
            transition: all var(--transition-normal);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-plan-primary {
            background: var(--color-primary);
            color: #121212;
            border: 2px solid var(--color-primary);
        }
        .btn-plan-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            color: #121212;
        }
        .btn-plan-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-plan-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
        }
        @media (max-width: 768px) {
            .plan-card.featured {
                transform: scale(1);
            }
            .plan-card.featured:hover {
                transform: translateY(-4px);
            }
            .plan-price {
                font-size: 2.2rem;
            }
        }

        /* ============ 排行列表 ============ */
        .rank-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 0.4rem;
        }
        .rank-table th {
            text-align: left;
            padding: 0.6rem 1rem;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            font-weight: 600;
            letter-spacing: 0.04em;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .rank-table td {
            padding: 0.8rem 1rem;
            font-size: 0.9rem;
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: all var(--transition-fast);
        }
        .rank-table tr:hover td {
            background: rgba(0, 230, 118, 0.05);
            border-color: rgba(0, 230, 118, 0.2);
        }
        .rank-table .rank-num {
            font-family: var(--font-display);
            font-weight: 800;
            color: var(--color-primary);
            text-align: center;
            font-size: 1.1rem;
            text-shadow: 0 0 10px rgba(0, 230, 118, 0.4);
            width: 50px;
        }
        .rank-table .rank-name {
            font-weight: 700;
            color: #fff;
        }
        .rank-table .rank-value {
            font-weight: 600;
            color: #FFD700;
            text-align: right;
        }
        @media (max-width: 768px) {
            .rank-table th,
            .rank-table td {
                padding: 0.5rem 0.6rem;
                font-size: 0.78rem;
            }
            .rank-table .rank-num {
                font-size: 0.9rem;
                width: 35px;
            }
        }

        /* ============ 资讯区 ============ */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2rem;
        }
        .news-list-item {
            display: flex;
            gap: 1rem;
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: all var(--transition-fast);
            cursor: pointer;
            border-radius: var(--radius-sm);
        }
        .news-list-item:hover {
            background: rgba(0, 230, 118, 0.03);
            border-bottom-color: rgba(0, 230, 118, 0.2);
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--color-text-weak);
            white-space: nowrap;
            min-width: 85px;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-title-link {
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
            display: block;
            margin-bottom: 0.3rem;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .news-title-link:hover {
            color: var(--color-primary);
        }
        .news-excerpt {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-readmore {
            display: inline-block;
            font-size: 0.8rem;
            color: var(--color-primary);
            font-weight: 600;
            margin-top: 0.3rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }
        .news-readmore:hover {
            color: var(--color-primary-hover);
            text-shadow: 0 0 8px rgba(0, 230, 118, 0.4);
        }
        .news-readmore::after {
            content: ' →';
            transition: transform var(--transition-fast);
            display: inline-block;
        }
        .news-readmore:hover::after {
            transform: translateX(3px);
        }
        .news-sidebar {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            height: fit-content;
            position: sticky;
            top: 140px;
        }
        .news-sidebar h4 {
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
        }
        .news-sidebar-item {
            padding: 0.6rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
            cursor: pointer;
        }
        .news-sidebar-item:hover {
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
                margin-top: 1.5rem;
            }
            .news-date {
                font-size: 0.7rem;
                min-width: 65px;
            }
            .news-title-link {
                font-size: 0.85rem;
            }
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            margin-bottom: 0.8rem;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #1A1A1A;
            transition: all var(--transition-normal);
        }
        .faq-item[open] {
            border-color: rgba(0, 230, 118, 0.4);
            box-shadow: 0 0 16px rgba(0, 230, 118, 0.2);
        }
        .faq-item summary {
            padding: 1rem 1.2rem;
            cursor: pointer;
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 0.7rem;
            transition: all var(--transition-fast);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            color: var(--color-primary);
            font-size: 1rem;
            flex-shrink: 0;
            text-shadow: 0 0 8px rgba(0, 230, 118, 0.5);
        }
        .faq-item summary:hover {
            background: rgba(0, 230, 118, 0.04);
        }
        .faq-item .faq-answer {
            padding: 0 1.2rem 1.2rem 2.6rem;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ============ CTA / 加购引导 ============ */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 230, 118, 0.08) 0%, rgba(170, 0, 255, 0.06) 100%);
            border-top: 1px solid rgba(0, 230, 118, 0.2);
            border-bottom: 1px solid rgba(0, 230, 118, 0.2);
            text-align: center;
            padding: 3.5rem 0;
        }
        .cta-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.04em;
        }
        .cta-desc {
            color: var(--color-text-muted);
            font-size: 1rem;
            margin-bottom: 1.8rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .cta-btn-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-title {
                font-size: 1.5rem;
            }
            .cta-desc {
                font-size: 0.9rem;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #060606;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 2.5rem 0;
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 2rem;
            align-items: start;
        }
        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col h5 {
            font-family: var(--font-display);
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: 0.3rem;
            letter-spacing: 0.04em;
        }
        .footer-col a {
            color: var(--color-text-muted);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--color-text-weak);
        }
        .footer-bottom a {
            color: var(--color-text-weak);
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
        }

        /* ============ 品牌介绍深度区 ============ */
        .brand-story-section {
            background: #0D0D0D;
            border-top: 1px solid rgba(0, 230, 118, 0.1);
            border-bottom: 1px solid rgba(0, 230, 118, 0.1);
        }
        .brand-story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .brand-story-text {
            color: var(--color-text);
            font-size: 0.95rem;
            line-height: 1.85;
        }
        .brand-story-text p {
            margin-bottom: 1rem;
        }
        .brand-story-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 230, 118, 0.2);
            box-shadow: 0 0 30px rgba(0, 230, 118, 0.15);
        }
        .brand-story-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        @media (max-width: 768px) {
            .brand-story-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .brand-story-text {
                font-size: 0.88rem;
            }
        }

        /* ============ 深度内容区 ============ */
        .deep-content-block {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            padding: 2rem;
            margin-bottom: 1.5rem;
        }
        .deep-content-block h3 {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .deep-content-block p {
            color: var(--color-text);
            font-size: 0.93rem;
            line-height: 1.85;
            margin-bottom: 0.8rem;
        }
        @media (max-width: 768px) {
            .deep-content-block {
                padding: 1.2rem;
            }
            .deep-content-block h3 {
                font-size: 1.1rem;
            }
            .deep-content-block p {
                font-size: 0.85rem;
            }
        }

        /* ============ 辅助 ============ */
        .text-center {
            text-align: center;
        }
        .grid-gap-sm {
            gap: 0.8rem;
        }
        .grid-gap-md {
            gap: 1.5rem;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .w-full {
            width: 100%;
        }

/* roulang page: category2 */
:root {
            --color-primary: #00E676;
            --color-primary-hover: #00FF66;
            --color-accent: #AA00FF;
            --color-bg: #0A0A0A;
            --color-card: #121212;
            --color-surface: #1A1A1A;
            --color-border: rgba(0, 230, 118, 0.2);
            --color-text: #E0E0E0;
            --color-text-muted: #AAAAAA;
            --color-text-weak: #777777;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-glow: 0 0 20px rgba(0, 230, 118, 0.4);
            --shadow-glow-lg: 0 0 40px rgba(0, 230, 118, 0.5);
            --shadow-purple: 0 0 20px rgba(170, 0, 255, 0.35);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-body: 'Microsoft YaHei', 'PingFang SC', 'Source Han Sans SC', sans-serif;
            --font-display: 'Orbitron', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.02em;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            transition: all var(--transition-fast);
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--color-primary) !important;
            box-shadow: 0 0 12px rgba(0, 230, 118, 0.3);
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 10, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.04em;
            text-decoration: none;
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), #00C853);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #121212;
            font-weight: 900;
            flex-shrink: 0;
        }

        .header-logo:hover {
            color: #fff;
            text-shadow: 0 0 18px rgba(0, 230, 118, 0.5);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-header {
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-normal);
        }

        .btn-header-primary {
            background: var(--color-primary);
            color: #121212;
            border: 2px solid var(--color-primary);
        }

        .btn-header-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }

        .btn-header-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-header-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
        }

        .hamburger-btn {
            background: transparent;
            color: #fff;
            font-size: 1.5rem;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            display: none;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .hamburger-btn:hover {
            color: var(--color-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: flex;
            }
            .btn-header {
                display: none;
            }
        }

        /* 图标网格导航 */
        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
            justify-content: center;
        }

        .nav-icon-grid::-webkit-scrollbar {
            display: none;
        }

        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.2rem;
            padding: 0.5rem 0.7rem;
            border-radius: var(--radius-md);
            color: var(--color-text-muted);
            font-size: 0.78rem;
            font-weight: 500;
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-icon-item .nav-icon {
            font-size: 1.3rem;
            transition: all var(--transition-fast);
        }

        .nav-icon-item:hover {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.06);
        }

        .nav-icon-item.active {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.1);
            box-shadow: 0 0 12px rgba(0, 230, 118, 0.15);
        }

        .nav-icon-item.active .nav-icon {
            text-shadow: 0 0 10px rgba(0, 230, 118, 0.6);
        }

        @media (max-width: 768px) {
            .nav-icon-grid {
                display: none;
                flex-wrap: wrap;
                justify-content: flex-start;
                gap: 0.4rem;
                padding: 0.8rem 0;
                max-height: 60vh;
                overflow-y: auto;
            }
            .nav-icon-grid.mobile-open {
                display: flex;
            }
            .nav-icon-item {
                flex: 0 0 auto;
                min-width: 70px;
            }
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 1rem 0;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-primary);
        }

        .breadcrumb .separator {
            color: var(--color-text-weak);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ============ HERO SECTION ============ */
        .page-hero {
            position: relative;
            padding: 4rem 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.7) 0%, rgba(10, 10, 10, 0.95) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            min-height: 380px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(0, 230, 118, 0.15);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 230, 118, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(170, 0, 255, 0.06) 0%, transparent 55%);
            pointer-events: none;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
        }

        .page-hero .hero-label {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            background: rgba(0, 230, 118, 0.12);
            border: 1px solid rgba(0, 230, 118, 0.3);
            border-radius: 50px;
            color: var(--color-primary);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 1.2rem;
            font-family: var(--font-display);
        }

        .page-hero h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
            text-shadow: 0 0 30px rgba(0, 230, 118, 0.5);
        }

        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-muted);
            max-width: 600px;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 2.5rem 0;
                min-height: 280px;
                background-attachment: scroll;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero .hero-subtitle {
                font-size: 1rem;
            }
        }

        /* ============ STATS BAR ============ */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            padding: 2.5rem 0;
            margin-top: -2rem;
            position: relative;
            z-index: 5;
        }

        .stat-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .stat-card::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.04) 0%, transparent 70%);
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .stat-card:hover {
            border-color: rgba(0, 230, 118, 0.5);
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }

        .stat-card:hover::after {
            opacity: 1;
        }

        .stat-number {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 0.5rem;
            text-shadow: 0 0 20px rgba(0, 230, 118, 0.4);
        }

        .stat-label {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
                margin-top: -1.5rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .stat-card {
                padding: 1.2rem 1rem;
            }
        }

        @media (max-width: 480px) {
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
        }

        /* ============ SECTION TITLES ============ */
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
            letter-spacing: 0.03em;
        }

        .section-title .title-accent {
            display: inline-block;
            width: 50px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 2px;
            margin-bottom: 0.8rem;
            box-shadow: 0 0 12px rgba(0, 230, 118, 0.5);
        }

        .section-title p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-title h2 {
                font-size: 1.5rem;
            }
        }

        /* ============ FLIP CARD ============ */
        .flip-card-wrapper {
            perspective: 1200px;
            height: 420px;
        }

        .flip-card-inner {
            position: relative;
            width: 100%;
            height: 100%;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
            transform-style: preserve-3d;
        }

        .flip-card-wrapper:hover .flip-card-inner {
            transform: rotateY(180deg);
        }

        .flip-card-front,
        .flip-card-back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            -webkit-backface-visibility: hidden;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
        }

        .flip-card-front {
            background: var(--color-card);
            display: flex;
            flex-direction: column;
        }

        .flip-card-front .card-img-wrap {
            height: 65%;
            overflow: hidden;
            position: relative;
        }

        .flip-card-front .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .flip-card-wrapper:hover .flip-card-front .card-img-wrap img {
            transform: scale(1.08);
        }

        .flip-card-front .card-img-wrap::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--color-card), transparent);
            z-index: 1;
        }

        .flip-card-front .card-info {
            padding: 1rem 1.2rem;
            text-align: center;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            z-index: 2;
            position: relative;
        }

        .flip-card-front .member-name {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
        }

        .flip-card-front .member-role {
            color: var(--color-primary);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
        }

        .flip-card-back {
            background: var(--color-card);
            transform: rotateY(180deg);
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 1.8rem 1.5rem;
            text-align: center;
            border-color: rgba(0, 230, 118, 0.35);
            box-shadow: inset 0 0 30px rgba(0, 230, 118, 0.05);
        }

        .flip-card-back .back-name {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.8rem;
            letter-spacing: 0.04em;
        }

        .flip-card-back .back-detail {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            line-height: 1.7;
            margin-bottom: 0.4rem;
        }

        .flip-card-back .back-detail strong {
            color: #fff;
            font-weight: 600;
        }

        .flip-card-back .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            justify-content: center;
            margin-top: 0.8rem;
        }

        .flip-card-back .hero-tag {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.25);
            border-radius: 50px;
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 500;
        }

        @media (max-width: 640px) {
            .flip-card-wrapper {
                height: 380px;
            }
            .flip-card-front .card-img-wrap {
                height: 58%;
            }
            .flip-card-back {
                padding: 1.2rem 1rem;
            }
            .flip-card-back .back-detail {
                font-size: 0.78rem;
            }
        }

        /* ============ CTA BUTTONS ============ */
        .btn-primary {
            display: inline-block;
            padding: 0.8rem 2rem;
            background: var(--color-primary);
            color: #121212;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            cursor: pointer;
            border: 2px solid var(--color-primary);
            text-align: center;
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            color: #121212;
        }

        .btn-outline {
            display: inline-block;
            padding: 0.8rem 2rem;
            background: transparent;
            color: var(--color-primary);
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            cursor: pointer;
            border: 2px solid var(--color-primary);
            text-align: center;
        }

        .btn-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
            color: var(--color-primary);
        }

        /* ============ TIMELINE ============ */
        .timeline {
            position: relative;
            padding-left: 2rem;
            border-left: 2px solid rgba(0, 230, 118, 0.3);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
            padding-left: 1.5rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2.55rem;
            top: 0.3rem;
            width: 14px;
            height: 14px;
            background: var(--color-primary);
            border-radius: 50%;
            box-shadow: 0 0 14px rgba(0, 230, 118, 0.6);
            border: 3px solid var(--color-bg);
        }

        .timeline-year {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.05em;
            margin-bottom: 0.3rem;
        }

        .timeline-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.3rem;
        }

        .timeline-desc {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        @media (max-width: 640px) {
            .timeline {
                padding-left: 1.5rem;
            }
            .timeline-item {
                padding-left: 1rem;
            }
            .timeline-item::before {
                left: -2rem;
                width: 11px;
                height: 11px;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--color-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border);
            overflow: hidden;
        }

        .faq-section details {
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .faq-section details:last-child {
            border-bottom: none;
        }

        .faq-section summary {
            padding: 1.2rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: all var(--transition-fast);
            list-style: none;
            user-select: none;
        }

        .faq-section summary::-webkit-details-marker {
            display: none;
        }

        .faq-section summary .faq-icon {
            color: var(--color-primary);
            font-size: 1rem;
            flex-shrink: 0;
            text-shadow: 0 0 8px rgba(0, 230, 118, 0.5);
        }

        .faq-section summary:hover {
            background: rgba(0, 230, 118, 0.04);
            color: var(--color-primary);
        }

        .faq-section details[open] summary {
            background: rgba(0, 230, 118, 0.06);
            border-left: 3px solid var(--color-primary);
            color: var(--color-primary);
        }

        .faq-section .faq-answer {
            padding: 0 1.5rem 1.2rem 2.8rem;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 230, 118, 0.05) 0%, rgba(170, 0, 255, 0.04) 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section h3 {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }

        .cta-section p {
            color: var(--color-text-muted);
            margin-bottom: 1.5rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            font-size: 0.95rem;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0D0D0D;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h5 {
            font-family: var(--font-display);
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            color: var(--color-text-muted);
            font-size: 0.88rem;
            padding: 0.3rem 0;
            transition: all var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-primary);
            padding-left: 0.3rem;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.8rem;
            color: var(--color-text-weak);
        }

        .footer-bottom a {
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ UTILITY ============ */
        .text-glow {
            text-shadow: 0 0 20px rgba(0, 230, 118, 0.5);
        }

        .section-padding {
            padding: 4rem 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 2.5rem 0;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #00E676;
            --color-primary-hover: #00FF66;
            --color-accent: #AA00FF;
            --color-bg: #0A0A0A;
            --color-card: #121212;
            --color-surface: #1A1A1A;
            --color-border: rgba(0, 230, 118, 0.2);
            --color-text: #E0E0E0;
            --color-text-muted: #AAAAAA;
            --color-text-weak: #777777;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-glow: 0 0 20px rgba(0, 230, 118, 0.4);
            --shadow-glow-lg: 0 0 40px rgba(0, 230, 118, 0.5);
            --shadow-purple: 0 0 20px rgba(170, 0, 255, 0.35);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-body: 'Microsoft YaHei', 'PingFang SC', 'Source Han Sans SC', sans-serif;
            --font-display: 'Orbitron', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.02em;
            margin: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            transition: all var(--transition-fast);
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--color-primary) !important;
            box-shadow: 0 0 12px rgba(0, 230, 118, 0.3);
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 10, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.04em;
            text-decoration: none;
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), #00C853);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #121212;
            font-weight: 900;
            flex-shrink: 0;
        }

        .header-logo:hover {
            color: #fff;
            text-shadow: 0 0 18px rgba(0, 230, 118, 0.5);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-header {
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-normal);
            display: inline-block;
        }

        .btn-header-primary {
            background: var(--color-primary);
            color: #121212;
            border: 2px solid var(--color-primary);
        }

        .btn-header-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
            color: #121212;
        }

        .btn-header-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-header-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
            color: var(--color-primary);
        }

        .hamburger-btn {
            display: none;
            background: transparent;
            color: #fff;
            font-size: 1.4rem;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hamburger-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* 图标网格导航 */
        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
            justify-content: center;
        }

        .nav-icon-grid::-webkit-scrollbar {
            display: none;
        }

        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.25rem;
            padding: 0.5rem 0.7rem;
            border-radius: var(--radius-md);
            text-decoration: none;
            color: var(--color-text-muted);
            font-size: 0.78rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            min-width: 62px;
            text-align: center;
            border: 1px solid transparent;
            position: relative;
        }

        .nav-icon-item .nav-icon {
            font-size: 1.3rem;
            transition: transform var(--transition-fast);
        }

        .nav-icon-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .nav-icon-item:hover .nav-icon {
            transform: translateY(-2px);
        }

        .nav-icon-item.active {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.08);
            border-color: var(--color-border);
            font-weight: 600;
        }

        .nav-icon-item.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 20%;
            width: 60%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
            .nav-icon-grid {
                display: none;
                flex-wrap: wrap;
                justify-content: flex-start;
                gap: 0.4rem;
                padding: 0.75rem 0;
                max-height: 60vh;
                overflow-y: auto;
            }
            .nav-icon-grid.open {
                display: flex;
            }
            .nav-icon-item {
                flex: 0 0 auto;
                min-width: 70px;
                padding: 0.6rem 0.5rem;
                font-size: 0.7rem;
            }
            .nav-icon-item .nav-icon {
                font-size: 1.1rem;
            }
            .btn-header {
                padding: 0.4rem 0.8rem;
                font-size: 0.78rem;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
        }

        @media (max-width: 480px) {
            .btn-header-outline {
                display: none;
            }
            .header-actions {
                gap: 0.5rem;
            }
            .nav-icon-item {
                min-width: 55px;
                padding: 0.5rem 0.3rem;
                font-size: 0.65rem;
            }
            .nav-icon-item .nav-icon {
                font-size: 1rem;
            }
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-bar {
            background: var(--color-card);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            padding: 0.7rem 0;
        }
        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 0.85rem;
            flex-wrap: wrap;
        }
        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--color-text-muted);
        }
        .breadcrumb-list li a {
            color: var(--color-text-muted);
        }
        .breadcrumb-list li a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-list li.current {
            color: var(--color-primary);
            font-weight: 600;
        }
        .breadcrumb-sep {
            color: var(--color-text-weak);
            font-size: 0.7rem;
        }

        /* ============ PAGE BANNER ============ */
        .page-banner {
            position: relative;
            padding: 3.5rem 0;
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.85) 0%, rgba(10, 10, 30, 0.9) 50%, rgba(0, 20, 10, 0.85) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(0, 230, 118, 0.15);
            text-align: center;
        }
        .page-banner .banner-icon {
            font-size: 3rem;
            margin-bottom: 0.75rem;
            display: inline-block;
            animation: pulse-icon 2s ease-in-out infinite;
        }
        @keyframes pulse-icon {
            0%,
            100% {
                transform: scale(1);
                text-shadow: 0 0 20px rgba(0, 230, 118, 0.5);
            }
            50% {
                transform: scale(1.08);
                text-shadow: 0 0 35px rgba(0, 230, 118, 0.8);
            }
        }
        .page-banner h1 {
            font-family: var(--font-display);
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.75rem;
            letter-spacing: 0.04em;
            text-shadow: 0 0 30px rgba(0, 230, 118, 0.4);
        }
        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 2.5rem 0;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
                padding: 0 1rem;
            }
        }

        /* ============ STATS STRIP ============ */
        .stats-strip {
            background: var(--color-card);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 1.8rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }
        .stat-item .stat-number {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            text-shadow: 0 0 15px rgba(0, 230, 118, 0.35);
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 0.3rem;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ============ FILTER BAR ============ */
        .filter-section {
            padding: 1.5rem 0;
            background: var(--color-bg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            position: sticky;
            top: 120px;
            z-index: 50;
        }
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .filter-btn {
            padding: 0.5rem 1.1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            background: transparent;
            color: var(--color-text-muted);
            border: 1px solid rgba(255, 255, 255, 0.15);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--color-primary);
            color: #fff;
            background: rgba(0, 230, 118, 0.06);
        }
        .filter-btn.active {
            background: var(--color-primary);
            color: #121212;
            border-color: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-glow);
        }
        .filter-search {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--color-surface);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            padding: 0.4rem 0.9rem;
        }
        .filter-search input {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 0.85rem;
            width: 160px;
        }
        .filter-search input::placeholder {
            color: var(--color-text-weak);
        }
        .filter-search i {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .filter-section {
                top: 100px;
            }
            .filter-bar {
                gap: 0.4rem;
            }
            .filter-btn {
                padding: 0.4rem 0.8rem;
                font-size: 0.75rem;
                border-radius: 16px;
            }
            .filter-search {
                width: 100%;
                margin-left: 0;
                margin-top: 0.5rem;
            }
            .filter-search input {
                width: 100%;
            }
        }

        /* ============ TOURNAMENT CARDS ============ */
        .tournament-section {
            padding: 2.5rem 0;
        }
        .tournament-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 1.5rem;
        }
        .tournament-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 230, 118, 0.15);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .tournament-card:hover {
            border-color: var(--color-border);
            box-shadow: 0 0 28px rgba(0, 230, 118, 0.25);
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.05);
        }
        .tournament-card .card-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--color-surface);
        }
        .tournament-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .tournament-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .tournament-card .card-status-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 0.3rem 0.8rem;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .badge-live {
            background: #FF1744;
            color: #fff;
            animation: live-pulse 1.5s ease-in-out infinite;
        }
        @keyframes live-pulse {
            0%,
            100% {
                box-shadow: 0 0 8px rgba(255, 23, 68, 0.6);
            }
            50% {
                box-shadow: 0 0 22px rgba(255, 23, 68, 0.95);
            }
        }
        .badge-upcoming {
            background: rgba(0, 230, 118, 0.25);
            color: var(--color-primary);
            border: 1px solid rgba(0, 230, 118, 0.4);
        }
        .badge-ended {
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-text-weak);
        }
        .tournament-card .card-body {
            padding: 1.2rem 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .tournament-card .card-title {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.5rem;
            letter-spacing: 0.02em;
        }
        .tournament-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 0.6rem;
        }
        .tournament-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .tournament-card .card-meta i {
            font-size: 0.7rem;
            color: var(--color-primary);
        }
        .tournament-card .card-prize {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            text-shadow: 0 0 12px rgba(0, 230, 118, 0.3);
            margin: 0.5rem 0;
        }
        .tournament-card .card-btn {
            display: inline-block;
            padding: 0.55rem 1.4rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.85rem;
            text-align: center;
            margin-top: auto;
            transition: all var(--transition-normal);
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
        }
        .tournament-card .card-btn:hover {
            background: var(--color-primary);
            color: #121212;
            box-shadow: var(--shadow-glow);
        }
        .tournament-card .card-btn.btn-live {
            border-color: #FF1744;
            color: #FF1744;
        }
        .tournament-card .card-btn.btn-live:hover {
            background: #FF1744;
            color: #fff;
            box-shadow: 0 0 20px rgba(255, 23, 68, 0.5);
        }
        @media (max-width: 640px) {
            .tournament-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .tournament-card .card-img-wrap {
                height: 150px;
            }
            .tournament-card .card-title {
                font-size: 1rem;
            }
            .tournament-card .card-prize {
                font-size: 1.2rem;
            }
        }

        /* ============ FEATURED TOURNAMENT ============ */
        .featured-section {
            padding: 3rem 0;
            background: var(--color-card);
            border-top: 1px solid rgba(0, 230, 118, 0.1);
            border-bottom: 1px solid rgba(0, 230, 118, 0.1);
        }
        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 2rem;
            align-items: center;
            background: rgba(255, 255, 255, 0.02);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(0, 230, 118, 0.2);
            padding: 0;
        }
        .featured-card .featured-img {
            height: 100%;
            min-height: 300px;
            background: var(--color-surface);
        }
        .featured-card .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }
        .featured-card .featured-content {
            padding: 2rem;
        }
        .featured-card .featured-label {
            display: inline-block;
            background: rgba(170, 0, 255, 0.2);
            color: var(--color-accent);
            padding: 0.3rem 0.9rem;
            border-radius: 14px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 1rem;
            border: 1px solid rgba(170, 0, 255, 0.35);
        }
        .featured-card h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.8rem;
        }
        .featured-card .featured-desc {
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 1.2rem;
        }
        .featured-card .featured-prize {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            text-shadow: 0 0 20px rgba(0, 230, 118, 0.4);
            margin-bottom: 1.5rem;
        }
        .btn-primary-lg {
            display: inline-block;
            padding: 0.8rem 2rem;
            background: var(--color-primary);
            color: #121212;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            border: 2px solid var(--color-primary);
        }
        .btn-primary-lg:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-2px);
            color: #121212;
        }
        @media (max-width: 768px) {
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card .featured-img {
                min-height: 200px;
            }
            .featured-card .featured-img img {
                min-height: 200px;
            }
            .featured-card .featured-content {
                padding: 1.5rem;
            }
            .featured-card h2 {
                font-size: 1.4rem;
            }
            .featured-card .featured-prize {
                font-size: 1.6rem;
            }
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            padding: 3.5rem 0;
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 20, 10, 0.92) 100%), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            text-align: center;
            border-top: 1px solid rgba(0, 230, 118, 0.15);
        }
        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            text-shadow: 0 0 20px rgba(0, 230, 118, 0.3);
        }
        .cta-section p {
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto 1.8rem;
            line-height: 1.8;
        }
        .cta-section .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-outline-lg {
            display: inline-block;
            padding: 0.8rem 2rem;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-normal);
            background: transparent;
        }
        .btn-outline-lg:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
            color: var(--color-primary);
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 3rem 0;
            background: var(--color-card);
        }
        .faq-section .section-title {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            text-align: center;
            margin-bottom: 2rem;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item summary {
            padding: 1rem 1.3rem;
            cursor: pointer;
            font-weight: 600;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.7rem;
            list-style: none;
            user-select: none;
            font-size: 0.95rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            color: var(--color-primary);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .faq-item summary .faq-arrow {
            margin-left: auto;
            transition: transform var(--transition-fast);
            color: var(--color-text-muted);
            font-size: 0.8rem;
        }
        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-item[open] {
            border-color: var(--color-border);
            box-shadow: 0 0 16px rgba(0, 230, 118, 0.15);
        }
        .faq-item .faq-answer {
            padding: 0 1.3rem 1.2rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            font-size: 0.9rem;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #060606;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3rem 0 1.5rem;
            color: var(--color-text-muted);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h5 {
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            color: var(--color-text-muted);
            font-size: 0.85rem;
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: center;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 1.5rem;
            font-size: 0.8rem;
            text-align: center;
        }
        .footer-bottom span {
            color: var(--color-text-weak);
        }
        .footer-bottom a {
            color: var(--color-text-muted);
            font-size: 0.8rem;
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #00E676;
            --color-primary-hover: #00FF66;
            --color-accent: #AA00FF;
            --color-bg: #0A0A0A;
            --color-card: #121212;
            --color-surface: #1A1A1A;
            --color-border: rgba(0, 230, 118, 0.2);
            --color-text: #E0E0E0;
            --color-text-muted: #AAAAAA;
            --color-text-weak: #777777;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-glow: 0 0 20px rgba(0, 230, 118, 0.4);
            --shadow-glow-lg: 0 0 40px rgba(0, 230, 118, 0.5);
            --shadow-purple: 0 0 20px rgba(170, 0, 255, 0.35);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-body: 'Microsoft YaHei', 'PingFang SC', 'Source Han Sans SC', sans-serif;
            --font-display: 'Orbitron', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.02em;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            transition: all var(--transition-fast);
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--color-primary) !important;
            box-shadow: 0 0 12px rgba(0, 230, 118, 0.3);
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 10, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.04em;
            text-decoration: none;
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), #00C853);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #121212;
            font-weight: 900;
            flex-shrink: 0;
        }

        .header-logo:hover {
            color: #fff;
            text-shadow: 0 0 18px rgba(0, 230, 118, 0.5);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-header {
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-normal);
            display: inline-block;
        }

        .btn-header-primary {
            background: var(--color-primary);
            color: #121212;
            border: 2px solid var(--color-primary);
        }

        .btn-header-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
            color: #121212;
        }

        .btn-header-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-header-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
            color: var(--color-primary);
        }

        .hamburger-btn {
            display: none;
            background: transparent;
            color: #fff;
            font-size: 1.5rem;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
        }

        .hamburger-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* 图标网格导航 */
        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
            justify-content: center;
        }

        .nav-icon-grid::-webkit-scrollbar {
            display: none;
        }

        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 0.8rem;
            border-radius: var(--radius-md);
            color: var(--color-text-muted);
            font-size: 0.78rem;
            text-decoration: none;
            transition: all var(--transition-normal);
            white-space: nowrap;
            min-width: 56px;
            text-align: center;
        }

        .nav-icon-item .nav-icon {
            font-size: 1.3rem;
            line-height: 1;
        }

        .nav-icon-item:hover {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.08);
        }

        .nav-icon-item.active {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.12);
            font-weight: 600;
            box-shadow: inset 0 -2px 0 var(--color-primary);
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .nav-icon-grid {
                display: none;
                flex-wrap: wrap;
                gap: 0.5rem;
                padding: 1rem 0;
                justify-content: flex-start;
            }

            .nav-icon-grid.open {
                display: flex;
            }

            .nav-icon-item {
                flex: 0 0 auto;
                min-width: 70px;
                padding: 0.6rem 0.5rem;
            }

            .btn-header {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
            }

            .header-logo {
                font-size: 1.1rem;
            }

            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
        }

        @media (max-width: 480px) {
            .header-actions {
                gap: 0.5rem;
            }

            .btn-header {
                padding: 0.35rem 0.7rem;
                font-size: 0.72rem;
            }

            .nav-icon-item {
                min-width: 58px;
                font-size: 0.7rem;
                padding: 0.4rem 0.35rem;
            }

            .nav-icon-item .nav-icon {
                font-size: 1.1rem;
            }
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb {
            background: var(--color-card);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 0.7rem 0;
        }

        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .breadcrumb-inner a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb-inner a:hover {
            color: var(--color-primary);
        }

        .breadcrumb-sep {
            color: var(--color-text-weak);
            font-size: 0.7rem;
        }

        .breadcrumb-current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ============ PAGE HERO ============ */
        .page-hero {
            background: linear-gradient(180deg, rgba(0, 230, 118, 0.06) 0%, rgba(10, 10, 10, 0.98) 100%), var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 3rem 0;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2rem;
        }

        .page-hero-text {
            flex: 1;
            min-width: 280px;
        }

        .page-hero-text h1 {
            font-family: var(--font-display);
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
            text-shadow: 0 0 30px rgba(0, 230, 118, 0.4);
        }

        .page-hero-text .subtitle {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        .page-hero-stats {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: center;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            padding: 1rem 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.06);
            min-width: 100px;
        }

        .hero-stat .stat-number {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            text-shadow: 0 0 15px rgba(0, 230, 118, 0.5);
        }

        .hero-stat .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 0.2rem;
        }

        .page-hero-image {
            flex: 0 0 320px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 2px solid var(--color-border);
            box-shadow: 0 0 30px rgba(0, 230, 118, 0.15);
            transition: box-shadow var(--transition-normal);
        }

        .page-hero-image:hover {
            box-shadow: var(--shadow-glow-lg);
        }

        .page-hero-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 2rem 0;
            }

            .page-hero-text h1 {
                font-size: 1.8rem;
            }

            .page-hero-image {
                flex: 0 0 100%;
                max-width: 400px;
                margin: 0 auto;
            }

            .hero-stat .stat-number {
                font-size: 1.4rem;
            }
        }

        /* ============ FILTER BAR ============ */
        .filter-bar {
            background: var(--color-surface);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 1rem 0;
            position: sticky;
            top: 120px;
            z-index: 50;
        }

        .filter-inner {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .filter-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 0.45rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: transparent;
            color: var(--color-text-muted);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.06);
        }

        .filter-tag.active {
            background: var(--color-primary);
            color: #121212;
            border-color: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-glow);
        }

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .filter-sort select {
            background: var(--color-card);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            cursor: pointer;
        }

        .filter-sort select:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 10px rgba(0, 230, 118, 0.25);
        }

        @media (max-width: 768px) {
            .filter-bar {
                top: 100px;
            }

            .filter-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
            }

            .filter-tag {
                font-size: 0.78rem;
                padding: 0.35rem 0.75rem;
            }
        }

        /* ============ EQUIPMENT GRID ============ */
        .equipment-section {
            padding: 3rem 0;
        }

        .equipment-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .equipment-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.06);
            overflow: hidden;
            transition: all var(--transition-normal);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .equipment-card:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .equipment-card-image {
            width: 100%;
            aspect-ratio: 4/3;
            overflow: hidden;
            position: relative;
            background: var(--color-surface);
        }

        .equipment-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .equipment-card:hover .equipment-card-image img {
            transform: scale(1.05);
        }

        .equipment-card-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.25rem 0.6rem;
            border-radius: 20px;
            letter-spacing: 0.04em;
            z-index: 2;
            box-shadow: var(--shadow-purple);
        }

        .equipment-card-body {
            padding: 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .equipment-card-category {
            font-size: 0.72rem;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            font-weight: 600;
            margin-bottom: 0.4rem;
        }

        .equipment-card-name {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .equipment-card-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 0.8rem;
            flex: 1;
        }

        .equipment-card-rating {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 0.6rem;
        }

        .stars {
            color: #FFB300;
            font-size: 0.9rem;
            letter-spacing: 0.1em;
        }

        .rating-text {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        .equipment-card-price {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            text-shadow: 0 0 12px rgba(0, 230, 118, 0.3);
        }

        .equipment-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 0.5rem;
            padding-top: 0.8rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .btn-card {
            padding: 0.45rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            font-weight: 600;
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }

        .btn-card:hover {
            background: var(--color-primary);
            color: #121212;
            box-shadow: var(--shadow-glow);
        }

        @media (max-width: 1024px) {
            .equipment-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.2rem;
            }
        }

        @media (max-width: 640px) {
            .equipment-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .equipment-card-name {
                font-size: 1rem;
            }

            .equipment-card-price {
                font-size: 1.1rem;
            }
        }

        /* ============ HIGHLIGHT SECTION ============ */
        .highlight-section {
            padding: 3rem 0;
            background: var(--color-card);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .highlight-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all var(--transition-normal);
        }

        .highlight-card:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .highlight-icon {
            font-size: 2.2rem;
            margin-bottom: 0.8rem;
            display: block;
        }

        .highlight-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.4rem;
        }

        .highlight-card p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .highlight-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ BRAND STRIP ============ */
        .brand-strip {
            padding: 2rem 0;
            background: var(--color-bg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .brand-strip-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2.5rem;
            flex-wrap: wrap;
            opacity: 0.7;
        }

        .brand-strip-item {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-text-muted);
            letter-spacing: 0.05em;
            transition: all var(--transition-fast);
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
        }

        .brand-strip-item:hover {
            color: var(--color-primary);
            text-shadow: 0 0 15px rgba(0, 230, 118, 0.4);
        }

        @media (max-width: 640px) {
            .brand-strip-inner {
                gap: 1rem;
            }

            .brand-strip-item {
                font-size: 0.95rem;
                padding: 0.3rem 0.6rem;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 3rem 0;
            background: var(--color-card);
        }

        .faq-section h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            text-align: center;
            margin-bottom: 2rem;
            letter-spacing: 0.03em;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.05);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item summary {
            padding: 1rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.7rem;
            list-style: none;
            transition: all var(--transition-fast);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            color: var(--color-primary);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .faq-item summary:hover {
            color: var(--color-primary);
        }

        .faq-item[open] {
            border-color: var(--color-border);
            box-shadow: 0 0 15px rgba(0, 230, 118, 0.15);
        }

        .faq-item[open] summary {
            color: var(--color-primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .faq-answer {
            padding: 1rem 1.5rem 1.2rem;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 3.5rem 0;
            background: linear-gradient(180deg, rgba(0, 230, 118, 0.05) 0%, var(--color-bg) 100%);
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--color-text-muted);
            margin-bottom: 1.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .btn-cta {
            display: inline-block;
            padding: 0.8rem 2.5rem;
            background: var(--color-primary);
            color: #121212;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-md);
            letter-spacing: 0.04em;
            transition: all var(--transition-normal);
            box-shadow: 0 0 25px rgba(0, 230, 118, 0.3);
            text-decoration: none;
        }

        .btn-cta:hover {
            background: var(--color-primary-hover);
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-2px);
            color: #121212;
        }

        @media (max-width: 640px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }

            .btn-cta {
                padding: 0.7rem 2rem;
                font-size: 0.9rem;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0D0D0D;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3rem 0 1.5rem;
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h5 {
            font-family: var(--font-display);
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            color: var(--color-text-muted);
            margin-bottom: 0.5rem;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.78rem;
            color: var(--color-text-weak);
            text-align: center;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom a {
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        /* ============ UTILITY ============ */
        .section-title {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            text-align: center;
            margin-bottom: 0.6rem;
            letter-spacing: 0.03em;
        }

        .section-subtitle {
            text-align: center;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin-bottom: 2rem;
            line-height: 1.7;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 640px) {
            .section-title {
                font-size: 1.4rem;
            }

            .section-subtitle {
                font-size: 0.85rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #00E676;
            --color-primary-hover: #00FF66;
            --color-accent: #AA00FF;
            --color-bg: #0A0A0A;
            --color-card: #121212;
            --color-surface: #1A1A1A;
            --color-border: rgba(0, 230, 118, 0.2);
            --color-text: #E0E0E0;
            --color-text-muted: #AAAAAA;
            --color-text-weak: #777777;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-glow: 0 0 20px rgba(0, 230, 118, 0.4);
            --shadow-glow-lg: 0 0 40px rgba(0, 230, 118, 0.5);
            --shadow-purple: 0 0 20px rgba(170, 0, 255, 0.35);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-body: 'Microsoft YaHei', 'PingFang SC', 'Source Han Sans SC', sans-serif;
            --font-display: 'Orbitron', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.02em;
            margin: 0;
            padding: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            transition: all var(--transition-fast);
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--color-primary) !important;
            box-shadow: 0 0 12px rgba(0, 230, 118, 0.3);
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 10, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.04em;
            text-decoration: none;
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), #00C853);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #121212;
            font-weight: 900;
            flex-shrink: 0;
        }

        .header-logo:hover {
            color: #fff;
            text-shadow: 0 0 18px rgba(0, 230, 118, 0.5);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-header {
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-normal);
            display: inline-block;
        }

        .btn-header-primary {
            background: var(--color-primary);
            color: #121212;
            border: 2px solid var(--color-primary);
        }

        .btn-header-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }

        .btn-header-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-header-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
        }

        .hamburger-btn {
            display: none;
            background: transparent;
            color: #fff;
            font-size: 1.5rem;
            padding: 0.4rem 0.6rem;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition-normal);
        }

        .hamburger-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
            justify-content: center;
        }

        .nav-icon-grid::-webkit-scrollbar {
            display: none;
        }

        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.25rem;
            padding: 0.55rem 0.9rem;
            border-radius: var(--radius-md);
            color: var(--color-text-muted);
            font-size: 0.78rem;
            font-weight: 500;
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-normal);
            flex-shrink: 0;
            letter-spacing: 0.03em;
            border: 1px solid transparent;
            background: transparent;
        }

        .nav-icon-item .nav-icon {
            font-size: 1.3rem;
            line-height: 1;
            transition: transform var(--transition-normal);
        }

        .nav-icon-item:hover {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.06);
            border-color: rgba(0, 230, 118, 0.25);
        }

        .nav-icon-item:hover .nav-icon {
            transform: translateY(-2px);
        }

        .nav-icon-item.active {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.1);
            border-color: var(--color-border);
            font-weight: 600;
            box-shadow: 0 0 12px rgba(0, 230, 118, 0.15);
        }

        .nav-icon-item.active .nav-icon {
            transform: translateY(-1px);
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-bar {
            background: var(--color-card);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 0.75rem 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: var(--color-primary);
        }

        .breadcrumb .separator {
            color: var(--color-text-weak);
            font-size: 0.7rem;
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ============ PAGE HERO ============ */
        .page-hero-sm {
            background: linear-gradient(180deg, rgba(0, 230, 118, 0.06) 0%, rgba(10, 10, 10, 0.95) 100%), var(--color-card);
            padding: 3rem 0 2.5rem;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            position: relative;
            overflow: hidden;
        }

        .page-hero-sm::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translate(-50%, 0);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.07) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .page-hero-sm h1 {
            font-family: var(--font-display);
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.06em;
            margin: 0 0 0.75rem;
            position: relative;
            z-index: 1;
        }

        .page-hero-sm .hero-subtitle {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }

        /* ============ FILTER BAR ============ */
        .filter-bar {
            padding: 1.25rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            background: var(--color-bg);
            position: sticky;
            top: 120px;
            z-index: 50;
        }

        .filter-tags {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 0.45rem 1.1rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: transparent;
            color: var(--color-text-muted);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .filter-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.05);
        }

        .filter-tag.active {
            background: var(--color-primary);
            color: #121212;
            border-color: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-glow);
        }

        /* ============ NEWS LIST ============ */
        .news-list-section {
            padding: 2.5rem 0 3rem;
            background: var(--color-bg);
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        .news-card {
            display: flex;
            gap: 1.5rem;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.06);
            padding: 1.5rem;
            transition: all var(--transition-normal);
            overflow: hidden;
            position: relative;
        }

        .news-card:hover {
            border-color: var(--color-border);
            box-shadow: 0 0 28px rgba(0, 230, 118, 0.15);
            transform: translateY(-2px);
        }

        .news-card-image {
            flex-shrink: 0;
            width: 240px;
            height: 160px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-card);
            position: relative;
        }

        .news-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .news-card:hover .news-card-image img {
            transform: scale(1.05);
        }

        .news-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-bottom: 0.5rem;
        }

        .news-card-date {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            font-weight: 500;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .news-card-tag {
            display: inline-block;
            padding: 0.2rem 0.65rem;
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(0, 230, 118, 0.1);
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .news-card-tag.purple {
            background: rgba(170, 0, 255, 0.1);
            color: var(--color-accent);
        }

        .news-card-tag.blue {
            background: rgba(0, 180, 255, 0.1);
            color: #00B4FF;
        }

        .news-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.5rem;
            line-height: 1.5;
            letter-spacing: 0.03em;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-title a {
            color: #fff;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .news-card-title a:hover {
            color: var(--color-primary);
        }

        .news-card-excerpt {
            font-size: 0.92rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0 0 0.75rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
            transition: all var(--transition-fast);
            align-self: flex-start;
            letter-spacing: 0.03em;
        }

        .news-card-link .arrow {
            display: inline-block;
            transition: transform var(--transition-fast);
        }

        .news-card-link:hover {
            color: var(--color-primary-hover);
        }

        .news-card-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ============ PAGINATION ============ */
        .pagination-section {
            padding: 1.5rem 0 3rem;
            text-align: center;
            background: var(--color-bg);
        }

        .pagination {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--color-surface);
            border-radius: 999px;
            padding: 0.4rem 0.6rem;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .pagination-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-normal);
            background: transparent;
            color: var(--color-text-muted);
            border: 1px solid transparent;
        }

        .pagination-btn:hover {
            border-color: var(--color-border);
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.05);
        }

        .pagination-btn.active {
            background: var(--color-primary);
            color: #121212;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-glow);
            pointer-events: none;
        }

        .pagination-btn.disabled {
            opacity: 0.35;
            pointer-events: none;
            cursor: default;
        }

        .pagination-dots {
            color: var(--color-text-weak);
            font-weight: 600;
            padding: 0 0.3rem;
            user-select: none;
        }

        /* ============ TAGS CLOUD ============ */
        .tags-cloud-section {
            padding: 2rem 0 3rem;
            background: var(--color-card);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .tags-cloud-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.25rem;
            text-align: center;
            letter-spacing: 0.04em;
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            justify-content: center;
        }

        .tag-cloud-item {
            padding: 0.45rem 1rem;
            border-radius: 999px;
            font-size: 0.84rem;
            font-weight: 500;
            background: var(--color-surface);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--color-text-muted);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            letter-spacing: 0.02em;
        }

        .tag-cloud-item:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.06);
            box-shadow: 0 0 14px rgba(0, 230, 118, 0.2);
        }

        /* ============ CTA SUBSCRIBE ============ */
        .cta-subscribe-section {
            padding: 3.5rem 0;
            background: linear-gradient(135deg, rgba(0, 230, 118, 0.04) 0%, rgba(170, 0, 255, 0.03) 100%);
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .cta-subscribe-inner {
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-subscribe-inner h3 {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.75rem;
            letter-spacing: 0.05em;
        }

        .cta-subscribe-inner p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin: 0 0 1.5rem;
            line-height: 1.6;
        }

        .subscribe-form {
            display: flex;
            gap: 0.75rem;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-input {
            flex: 1;
            min-width: 220px;
            padding: 0.75rem 1.2rem;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            background: var(--color-surface);
            color: #fff;
            font-size: 0.92rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
        }

        .subscribe-input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 16px rgba(0, 230, 118, 0.3);
            outline: none;
        }

        .subscribe-input::placeholder {
            color: var(--color-text-weak);
        }

        .btn-subscribe {
            padding: 0.75rem 1.8rem;
            border-radius: 999px;
            background: var(--color-primary);
            color: #121212;
            font-weight: 700;
            font-size: 0.92rem;
            letter-spacing: 0.04em;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 2px solid var(--color-primary);
            white-space: nowrap;
        }

        .btn-subscribe:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-2px);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-card);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3rem 0 1.5rem;
            color: var(--color-text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h5 {
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 1rem;
            letter-spacing: 0.05em;
        }

        .footer-col a {
            display: block;
            color: var(--color-text-muted);
            font-size: 0.88rem;
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.02em;
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 1rem 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.82rem;
            color: var(--color-text-weak);
            text-align: center;
        }

        .footer-bottom a {
            color: var(--color-text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .news-card {
                flex-direction: column;
                gap: 1rem;
            }

            .news-card-image {
                width: 100%;
                height: 200px;
            }

            .page-hero-sm h1 {
                font-size: 2rem;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .header-actions .btn-header {
                display: none;
            }

            .hamburger-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .nav-icon-grid {
                display: none;
                flex-wrap: wrap;
                justify-content: flex-start;
                gap: 0.4rem;
                padding: 0.75rem 0;
            }

            .nav-icon-grid.open {
                display: flex;
            }

            .nav-icon-item {
                flex: 0 0 auto;
                padding: 0.45rem 0.7rem;
                font-size: 0.72rem;
                gap: 0.2rem;
            }

            .nav-icon-item .nav-icon {
                font-size: 1.1rem;
            }

            .page-hero-sm {
                padding: 2rem 0 1.5rem;
            }

            .page-hero-sm h1 {
                font-size: 1.6rem;
            }

            .page-hero-sm .hero-subtitle {
                font-size: 0.9rem;
            }

            .filter-bar {
                top: 100px;
                padding: 0.8rem 0;
            }

            .filter-tag {
                padding: 0.35rem 0.85rem;
                font-size: 0.78rem;
            }

            .news-card {
                padding: 1rem;
                gap: 0.8rem;
            }

            .news-card-image {
                height: 180px;
            }

            .news-card-title {
                font-size: 1.05rem;
            }

            .news-card-excerpt {
                font-size: 0.85rem;
            }

            .news-grid {
                gap: 1rem;
            }

            .pagination-btn {
                width: 36px;
                height: 36px;
                font-size: 0.82rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
            }

            .subscribe-form {
                flex-direction: column;
                align-items: center;
            }

            .subscribe-input {
                width: 100%;
                max-width: 360px;
            }

            .btn-subscribe {
                width: 100%;
                max-width: 360px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 0.8rem;
            }

            .header-logo {
                font-size: 1.1rem;
            }

            .header-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }

            .page-hero-sm h1 {
                font-size: 1.35rem;
            }

            .news-card-image {
                height: 160px;
            }

            .news-card-title {
                font-size: 0.95rem;
            }

            .news-card-excerpt {
                font-size: 0.8rem;
                -webkit-line-clamp: 3;
            }

            .filter-tags {
                gap: 0.35rem;
            }

            .filter-tag {
                padding: 0.3rem 0.7rem;
                font-size: 0.72rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
                text-align: center;
            }

            .footer-col a {
                padding: 0.25rem 0;
            }

            .tags-cloud {
                gap: 0.4rem;
            }

            .tag-cloud-item {
                padding: 0.35rem 0.8rem;
                font-size: 0.76rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #00E676;
            --color-primary-hover: #00FF66;
            --color-accent: #AA00FF;
            --color-bg: #0A0A0A;
            --color-card: #121212;
            --color-surface: #1A1A1A;
            --color-border: rgba(0, 230, 118, 0.2);
            --color-text: #E0E0E0;
            --color-text-muted: #AAAAAA;
            --color-text-weak: #777777;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-glow: 0 0 20px rgba(0, 230, 118, 0.4);
            --shadow-glow-lg: 0 0 40px rgba(0, 230, 118, 0.5);
            --shadow-purple: 0 0 20px rgba(170, 0, 255, 0.35);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-body: 'Microsoft YaHei', 'PingFang SC', 'Source Han Sans SC', sans-serif;
            --font-display: 'Orbitron', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.02em;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            transition: all var(--transition-normal);
        }
        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            transition: all var(--transition-fast);
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--color-primary) !important;
            box-shadow: 0 0 12px rgba(0, 230, 118, 0.3);
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 10, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.04em;
            text-decoration: none;
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), #00C853);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #121212;
            font-weight: 900;
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: #fff;
            text-shadow: 0 0 18px rgba(0, 230, 118, 0.5);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .btn-header {
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-normal);
            text-decoration: none;
            display: inline-block;
        }
        .btn-header-primary {
            background: var(--color-primary);
            color: #121212;
            border: 2px solid var(--color-primary);
        }
        .btn-header-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
            color: #121212;
        }
        .btn-header-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-header-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
            color: var(--color-primary);
        }
        .hamburger-btn {
            display: none;
            background: transparent;
            color: #fff;
            font-size: 1.5rem;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hamburger-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* 图标网格导航 */
        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
            justify-content: center;
        }
        .nav-icon-grid::-webkit-scrollbar {
            display: none;
        }
        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.25rem;
            padding: 0.5rem 0.8rem;
            border-radius: var(--radius-md);
            color: var(--color-text-muted);
            font-size: 0.78rem;
            font-weight: 500;
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            min-width: 56px;
            text-align: center;
            border: 1px solid transparent;
        }
        .nav-icon-item .nav-icon {
            font-size: 1.3rem;
            display: block;
            transition: transform var(--transition-fast);
        }
        .nav-icon-item:hover {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.06);
            border-color: rgba(0, 230, 118, 0.15);
        }
        .nav-icon-item:hover .nav-icon {
            transform: translateY(-2px);
        }
        .nav-icon-item.active {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.1);
            border-color: rgba(0, 230, 118, 0.35);
            font-weight: 600;
        }
        .nav-icon-item.active .nav-icon {
            transform: scale(1.1);
        }

        /* ============ 面包屑 ============ */
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .separator {
            color: var(--color-text-weak);
        }
        .breadcrumb .current {
            color: var(--color-primary);
        }

        /* ============ BUTTONS ============ */
        .btn-primary {
            display: inline-block;
            background: var(--color-primary);
            color: #121212;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            text-decoration: none;
            border: 2px solid var(--color-primary);
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            color: #121212;
        }
        .btn-outline {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            text-decoration: none;
            border: 2px solid var(--color-primary);
            cursor: pointer;
        }
        .btn-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
            color: var(--color-primary);
        }

        /* ============ 卡片 ============ */
        .card-glow {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 230, 118, 0.15);
            transition: all var(--transition-normal);
            overflow: hidden;
        }
        .card-glow:hover {
            border-color: rgba(0, 230, 118, 0.4);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .card-surface {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
            overflow: hidden;
        }
        .card-surface:hover {
            border-color: rgba(0, 230, 118, 0.3);
            box-shadow: 0 0 24px rgba(0, 230, 118, 0.2);
        }

        /* ============ 标签/徽章 ============ */
        .badge {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .badge-green {
            background: rgba(0, 230, 118, 0.15);
            color: var(--color-primary);
            border: 1px solid rgba(0, 230, 118, 0.3);
        }
        .badge-purple {
            background: rgba(170, 0, 255, 0.15);
            color: var(--color-accent);
            border: 1px solid rgba(170, 0, 255, 0.3);
        }
        .badge-orange {
            background: rgba(255, 140, 0, 0.15);
            color: #FF8C00;
            border: 1px solid rgba(255, 140, 0, 0.3);
        }
        .badge-blue {
            background: rgba(0, 150, 255, 0.15);
            color: #0096FF;
            border: 1px solid rgba(0, 150, 255, 0.3);
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            position: relative;
            padding: 3rem 0 4rem;
            overflow: hidden;
            background: linear-gradient(160deg, #0A0A0A 0%, #0D1A0F 40%, #0A0A0A 100%);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 3rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-content h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            letter-spacing: 0.03em;
        }
        .hero-content h1 .highlight {
            color: var(--color-primary);
            text-shadow: 0 0 30px rgba(0, 230, 118, 0.5);
        }
        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 1.8rem;
            max-width: 500px;
        }
        .hero-stats {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .stat-number {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            display: block;
            line-height: 1;
        }
        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            display: block;
            margin-top: 0.3rem;
        }
        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 2px solid rgba(0, 230, 118, 0.2);
            box-shadow: 0 0 60px rgba(0, 230, 118, 0.1);
            transform: rotate(-2deg);
        }
        .hero-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        .hero-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 230, 118, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        /* ============ SECTION TITLES ============ */
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 0.6rem;
        }
        .section-header h2 .highlight {
            color: var(--color-primary);
        }
        .section-header p {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--color-primary);
            margin: 0.8rem auto;
            border-radius: 2px;
        }

        /* ============ 攻略分类卡片 ============ */
        .category-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .category-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.2rem;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
            cursor: pointer;
            text-decoration: none;
            color: var(--color-text);
            display: block;
        }
        .category-card:hover {
            border-color: rgba(0, 230, 118, 0.4);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
            color: var(--color-text);
        }
        .category-card .cat-icon {
            font-size: 2.5rem;
            display: block;
            margin-bottom: 0.8rem;
        }
        .category-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.4rem;
        }
        .category-card p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ============ 教程列表 ============ */
        .tutorial-list-item {
            display: grid;
            grid-template-columns: 200px 1fr auto;
            gap: 1.5rem;
            align-items: center;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 1.2rem;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all var(--transition-normal);
            margin-bottom: 1rem;
        }
        .tutorial-list-item:hover {
            border-color: rgba(0, 230, 118, 0.3);
            box-shadow: 0 0 20px rgba(0, 230, 118, 0.15);
        }
        .tutorial-list-item .tutorial-thumb {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .tutorial-list-item .tutorial-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .tutorial-list-item .tutorial-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.4rem;
        }
        .tutorial-list-item .tutorial-info p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 0.5rem;
            line-height: 1.5;
        }
        .tutorial-list-item .tutorial-meta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: var(--color-text-weak);
        }
        .tutorial-list-item .tutorial-meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .tutorial-list-item .tutorial-action {
            text-align: right;
        }

        /* ============ 步骤流程 ============ */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }
        .step-card {
            text-align: center;
            position: relative;
            padding: 2rem 1rem;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
        }
        .step-card:hover {
            border-color: rgba(0, 230, 118, 0.3);
            box-shadow: var(--shadow-glow);
        }
        .step-number {
            width: 48px;
            height: 48px;
            background: var(--color-primary);
            color: #121212;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.3rem;
            margin: 0 auto 1rem;
        }
        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--color-card);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 1rem 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 0.7rem;
            padding: 0.5rem 0;
            transition: color var(--transition-fast);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            color: var(--color-primary);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .faq-item summary:hover {
            color: var(--color-primary);
        }
        .faq-item[open] summary {
            color: var(--color-primary);
        }
        .faq-item .faq-answer {
            padding: 0.6rem 0 0.6rem 1.8rem;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 230, 118, 0.08) 0%, rgba(170, 0, 255, 0.06) 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            text-align: center;
            border: 1px solid rgba(0, 230, 118, 0.2);
        }
        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            color: var(--color-text-muted);
            font-size: 1rem;
            margin-bottom: 1.8rem;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ 技巧深度解析 ============ */
        .tip-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 2rem;
            border: 1px solid rgba(255, 255, 255, 0.05);
            margin-bottom: 1.5rem;
        }
        .tip-block .tip-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .tip-block .tip-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .tip-block .tip-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .tip-block .tip-content p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .tip-block .tip-content ul {
            list-style: none;
            padding: 0;
        }
        .tip-block .tip-content ul li {
            padding: 0.3rem 0;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .tip-block .tip-content ul li::before {
            content: '✓';
            color: var(--color-primary);
            font-weight: 700;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-card);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h5 {
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
        }
        .footer-col a {
            display: block;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.82rem;
            color: var(--color-text-weak);
        }
        .footer-bottom a {
            color: var(--color-text-muted);
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }
        .footer-bottom span {
            white-space: nowrap;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-image-wrap {
                transform: rotate(0);
                max-width: 500px;
                margin: 0 auto;
            }
            .category-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .tutorial-list-item {
                grid-template-columns: 140px 1fr;
                gap: 1rem;
            }
            .tutorial-list-item .tutorial-action {
                grid-column: 1 / -1;
                text-align: center;
                margin-top: 0.5rem;
            }
            .tip-block {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
            .hamburger-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-icon-grid {
                display: none;
                flex-wrap: wrap;
                gap: 0.4rem;
                padding: 0.8rem 0;
                justify-content: flex-start;
            }
            .nav-icon-grid.mobile-open {
                display: flex;
            }
            .nav-icon-item {
                padding: 0.4rem 0.6rem;
                font-size: 0.72rem;
                min-width: 48px;
            }
            .nav-icon-item .nav-icon {
                font-size: 1.1rem;
            }
            .header-actions .btn-header {
                padding: 0.4rem 0.8rem;
                font-size: 0.78rem;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-stats {
                gap: 1rem;
            }
            .hero-stat .stat-number {
                font-size: 1.5rem;
            }
            .category-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.8rem;
            }
            .category-card {
                padding: 1.2rem 0.8rem;
            }
            .category-card .cat-icon {
                font-size: 2rem;
            }
            .steps-flow {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .tutorial-list-item {
                grid-template-columns: 1fr;
                gap: 0.8rem;
            }
            .tutorial-list-item .tutorial-thumb {
                aspect-ratio: 16/9;
                max-height: 180px;
            }
            .tutorial-list-item .tutorial-action {
                grid-column: auto;
                text-align: left;
            }
            .tip-block {
                grid-template-columns: 1fr;
                padding: 1.2rem;
            }
            .faq-section {
                padding: 1.5rem;
            }
            .cta-section {
                padding: 2rem 1rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.95rem;
            }
            .category-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.6rem;
            }
            .category-card {
                padding: 1rem 0.6rem;
            }
            .category-card h3 {
                font-size: 0.95rem;
            }
            .category-card p {
                font-size: 0.75rem;
            }
            .steps-flow {
                grid-template-columns: 1fr;
            }
            .step-card {
                padding: 1.2rem 0.8rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 0.6rem 1.2rem;
                font-size: 0.9rem;
            }
            .hero-stats {
                flex-direction: column;
                gap: 0.6rem;
                align-items: flex-start;
            }
            .hero-stat {
                text-align: left;
                display: flex;
                align-items: center;
                gap: 0.5rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #00E676;
            --color-primary-hover: #00FF66;
            --color-accent: #AA00FF;
            --color-bg: #0A0A0A;
            --color-card: #121212;
            --color-surface: #1A1A1A;
            --color-border: rgba(0, 230, 118, 0.2);
            --color-text: #E0E0E0;
            --color-text-muted: #AAAAAA;
            --color-text-weak: #777777;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-glow: 0 0 20px rgba(0, 230, 118, 0.4);
            --shadow-glow-lg: 0 0 40px rgba(0, 230, 118, 0.5);
            --shadow-purple: 0 0 20px rgba(170, 0, 255, 0.35);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-body: 'Microsoft YaHei', 'PingFang SC', 'Source Han Sans SC', sans-serif;
            --font-display: 'Orbitron', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.02em;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            transition: all var(--transition-fast);
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--color-primary) !important;
            box-shadow: 0 0 12px rgba(0, 230, 118, 0.3);
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 10, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.04em;
            text-decoration: none;
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), #00C853);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #121212;
            font-weight: 900;
            flex-shrink: 0;
        }

        .header-logo:hover {
            color: #fff;
            text-shadow: 0 0 18px rgba(0, 230, 118, 0.5);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-header {
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-normal);
            display: inline-block;
            text-decoration: none;
        }

        .btn-header-primary {
            background: var(--color-primary);
            color: #121212;
            border: 2px solid var(--color-primary);
        }

        .btn-header-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
            color: #121212;
        }

        .btn-header-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-header-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
            color: var(--color-primary-hover);
        }

        .hamburger-btn {
            display: none;
            background: none;
            color: #fff;
            font-size: 1.4rem;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .hamburger-btn:hover {
            color: var(--color-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
            justify-content: center;
        }

        .nav-icon-grid::-webkit-scrollbar {
            display: none;
        }

        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.25rem;
            padding: 0.55rem 0.9rem;
            border-radius: var(--radius-md);
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--color-text-muted);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            flex-shrink: 0;
            min-width: 56px;
            text-align: center;
        }

        .nav-icon-item .nav-icon {
            font-size: 1.3rem;
            line-height: 1;
            transition: transform var(--transition-fast);
        }

        .nav-icon-item:hover {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.06);
        }

        .nav-icon-item:hover .nav-icon {
            transform: translateY(-2px);
        }

        .nav-icon-item.active {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.08);
            font-weight: 600;
        }

        .nav-icon-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 230, 118, 0.6);
        }

        /* ============ BUTTONS ============ */
        .btn-primary {
            display: inline-block;
            background: var(--color-primary);
            color: #121212;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            text-decoration: none;
            border: 2px solid var(--color-primary);
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            color: #121212;
        }

        .btn-outline {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            padding: 0.75rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            text-decoration: none;
            border: 2px solid var(--color-primary);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
            color: var(--color-primary-hover);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            border-radius: var(--radius-md);
        }

        /* ============ CARDS ============ */
        .card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(0, 230, 118, 0.15);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            transition: all var(--transition-normal);
        }

        .card:hover {
            border-color: rgba(0, 230, 118, 0.4);
            box-shadow: 0 0 24px rgba(0, 230, 118, 0.25);
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.06);
        }

        .card-glow {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 230, 118, 0.2);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            transition: all var(--transition-normal);
            box-shadow: 0 0 0 rgba(0, 230, 118, 0);
        }

        .card-glow:hover {
            border-color: rgba(0, 230, 118, 0.5);
            box-shadow: 0 0 30px rgba(0, 230, 118, 0.35);
            transform: translateY(-4px);
            background: rgba(0, 230, 118, 0.04);
        }

        /* ============ SECTIONS ============ */
        .section-padding {
            padding: 4rem 0;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            margin-bottom: 2.5rem;
        }

        .section-accent-bar {
            display: inline-block;
            width: 50px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(0, 230, 118, 0.5);
            margin-bottom: 1rem;
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 0;
            font-size: 0.85rem;
            color: var(--color-text-weak);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-primary);
        }

        .breadcrumb .separator {
            color: var(--color-text-weak);
        }

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* ============ HERO BANNER ============ */
        .hero-banner {
            background: linear-gradient(135deg, #0D0D0D 0%, #0F1A0F 40%, #0D0F15 100%);
            border-bottom: 1px solid rgba(0, 230, 118, 0.15);
            position: relative;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(170, 0, 255, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* ============ STAT COUNTER ============ */
        .stat-number {
            font-family: var(--font-display);
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            letter-spacing: 0.02em;
        }

        .stat-label {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            margin-top: 0.3rem;
        }

        /* ============ TOPIC CARD ============ */
        .topic-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 1.25rem;
            transition: all var(--transition-normal);
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            cursor: pointer;
        }

        .topic-card:hover {
            border-color: rgba(0, 230, 118, 0.35);
            background: rgba(0, 230, 118, 0.04);
            box-shadow: 0 0 20px rgba(0, 230, 118, 0.2);
            transform: translateX(4px);
        }

        .topic-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), #00C853);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #121212;
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .topic-meta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--color-text-weak);
        }

        .topic-tag {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: rgba(0, 230, 118, 0.1);
            color: var(--color-primary);
            border: 1px solid rgba(0, 230, 118, 0.25);
        }

        .topic-tag.hot {
            background: rgba(255, 80, 60, 0.15);
            color: #ff503c;
            border: 1px solid rgba(255, 80, 60, 0.3);
        }

        .topic-tag.purple {
            background: rgba(170, 0, 255, 0.1);
            color: var(--color-accent);
            border: 1px solid rgba(170, 0, 255, 0.3);
        }

        /* ============ FEATURE ICON BOX ============ */
        .feature-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.08);
            border: 2px solid rgba(0, 230, 118, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-primary);
            flex-shrink: 0;
            transition: all var(--transition-normal);
        }

        .feature-box:hover .feature-icon-circle {
            background: rgba(0, 230, 118, 0.15);
            border-color: rgba(0, 230, 118, 0.5);
            box-shadow: 0 0 20px rgba(0, 230, 118, 0.3);
        }

        /* ============ FAQ ============ */
        .faq-details {
            background: var(--color-surface);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-details[open] {
            border-color: rgba(0, 230, 118, 0.4);
            box-shadow: 0 0 16px rgba(0, 230, 118, 0.15);
        }

        .faq-details summary {
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: var(--color-text);
            list-style: none;
            transition: color var(--transition-fast);
            user-select: none;
        }

        .faq-details summary::-webkit-details-marker {
            display: none;
        }

        .faq-details summary::before {
            content: '⚡';
            flex-shrink: 0;
            font-size: 1rem;
            color: var(--color-primary);
            transition: transform var(--transition-fast);
        }

        .faq-details[open] summary::before {
            transform: rotate(15deg);
        }

        .faq-details summary:hover {
            color: var(--color-primary);
        }

        .faq-details .faq-answer {
            padding: 0 1.25rem 1.25rem 2.5rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, #0F1A0F 0%, #0D0D0D 50%, #0F0D15 100%);
            border-top: 1px solid rgba(0, 230, 118, 0.2);
            border-bottom: 1px solid rgba(0, 230, 118, 0.2);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(0, 230, 118, 0.5), transparent);
            pointer-events: none;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #080808;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 3rem 0 1.5rem;
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h5 {
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            color: var(--color-text-muted);
            padding: 0.35rem 0;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.8rem;
            color: var(--color-text-weak);
        }

        .footer-bottom a {
            color: var(--color-text-muted);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .section-title {
                font-size: 1.7rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .header-actions .btn-header {
                padding: 0.4rem 0.8rem;
                font-size: 0.78rem;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .nav-icon-grid {
                gap: 0.15rem;
                justify-content: flex-start;
                padding: 0.4rem 0;
            }
            .nav-icon-item {
                padding: 0.4rem 0.55rem;
                font-size: 0.7rem;
                min-width: 44px;
            }
            .nav-icon-item .nav-icon {
                font-size: 1.1rem;
            }
            .hamburger-btn {
                display: block;
            }
            .section-padding {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
                text-align: left;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .topic-card {
                flex-direction: column;
                gap: 0.5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 0.8rem;
            }
            .header-top {
                padding: 0.5rem 0;
            }
            .header-logo {
                font-size: 1rem;
                gap: 0.4rem;
            }
            .header-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
            .btn-header {
                padding: 0.35rem 0.6rem;
                font-size: 0.7rem;
            }
            .nav-icon-item {
                padding: 0.3rem 0.4rem;
                font-size: 0.65rem;
                min-width: 38px;
            }
            .nav-icon-item .nav-icon {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .card {
                padding: 1rem;
            }
            .topic-card {
                padding: 1rem;
            }
            .btn-lg {
                padding: 0.7rem 1.5rem;
                font-size: 0.95rem;
            }
        }

/* roulang page: category7 */
:root {
            --color-primary: #00E676;
            --color-primary-hover: #00FF66;
            --color-accent: #AA00FF;
            --color-bg: #0A0A0A;
            --color-card: #121212;
            --color-surface: #1A1A1A;
            --color-border: rgba(0, 230, 118, 0.2);
            --color-border-strong: rgba(0, 230, 118, 0.35);
            --color-text: #E0E0E0;
            --color-text-muted: #AAAAAA;
            --color-text-weak: #777777;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-glow: 0 0 20px rgba(0, 230, 118, 0.4);
            --shadow-glow-lg: 0 0 40px rgba(0, 230, 118, 0.5);
            --shadow-purple: 0 0 20px rgba(170, 0, 255, 0.35);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-body: 'Microsoft YaHei', 'PingFang SC', 'Source Han Sans SC', sans-serif;
            --font-display: 'Orbitron', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.02em;
            margin: 0;
            padding: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            transition: all var(--transition-fast);
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--color-primary) !important;
            box-shadow: 0 0 12px rgba(0, 230, 118, 0.3);
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 10, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.04em;
            text-decoration: none;
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), #00C853);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #121212;
            font-weight: 900;
            flex-shrink: 0;
        }

        .header-logo:hover {
            color: #fff;
            text-shadow: 0 0 18px rgba(0, 230, 118, 0.5);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-header {
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-normal);
            text-decoration: none;
            display: inline-block;
        }

        .btn-header-primary {
            background: var(--color-primary);
            color: #121212;
            border: 2px solid var(--color-primary);
        }

        .btn-header-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
            color: #121212;
        }

        .btn-header-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-header-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
            color: var(--color-primary-hover);
        }

        .hamburger-btn {
            background: transparent;
            color: #fff;
            font-size: 1.4rem;
            padding: 0.4rem 0.6rem;
            border-radius: var(--radius-sm);
            display: none;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition-fast);
        }

        .hamburger-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* 图标网格导航 */
        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
            justify-content: center;
        }

        .nav-icon-grid::-webkit-scrollbar {
            display: none;
        }

        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.25rem;
            padding: 0.55rem 0.8rem;
            border-radius: var(--radius-md);
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--color-text-muted);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            min-width: 60px;
            text-align: center;
            border: 1px solid transparent;
            background: transparent;
        }

        .nav-icon-item .nav-icon {
            font-size: 1.2rem;
            transition: all var(--transition-fast);
            display: block;
        }

        .nav-icon-item:hover {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.06);
            border-color: rgba(0, 230, 118, 0.2);
        }

        .nav-icon-item:hover .nav-icon {
            transform: translateY(-2px);
            filter: drop-shadow(0 0 6px rgba(0, 230, 118, 0.5));
        }

        .nav-icon-item.active {
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.1);
            border-color: rgba(0, 230, 118, 0.4);
            font-weight: 600;
        }

        .nav-icon-item.active .nav-icon {
            filter: drop-shadow(0 0 8px rgba(0, 230, 118, 0.6));
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }

            .nav-icon-grid {
                display: none;
                flex-wrap: wrap;
                gap: 0.4rem;
                padding: 0.75rem 0;
                justify-content: flex-start;
            }

            .nav-icon-grid.open {
                display: flex;
            }

            .nav-icon-item {
                flex: 0 0 auto;
                min-width: 68px;
                padding: 0.5rem 0.6rem;
                font-size: 0.7rem;
            }

            .btn-header {
                padding: 0.4rem 0.8rem;
                font-size: 0.78rem;
            }

            .header-logo {
                font-size: 1.1rem;
            }

            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
        }

        @media (max-width: 480px) {
            .header-actions {
                gap: 0.5rem;
            }

            .btn-header {
                padding: 0.35rem 0.6rem;
                font-size: 0.7rem;
            }

            .nav-icon-item {
                min-width: 52px;
                padding: 0.4rem 0.4rem;
                font-size: 0.65rem;
            }

            .nav-icon-item .nav-icon {
                font-size: 1rem;
            }
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-bar {
            background: var(--color-card);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 0.7rem 0;
        }

        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 0.85rem;
            flex-wrap: wrap;
        }

        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--color-text-muted);
        }

        .breadcrumb-list li a {
            color: var(--color-text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .breadcrumb-list li a:hover {
            color: var(--color-primary);
        }

        .breadcrumb-list li.current {
            color: var(--color-primary);
            font-weight: 600;
        }

        .breadcrumb-separator {
            color: var(--color-text-weak);
            font-size: 0.7rem;
        }

        /* ============ HERO ============ */
        .page-hero {
            position: relative;
            padding: 4rem 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.6) 0%, rgba(10, 10, 10, 0.9) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            text-align: center;
            border-bottom: 1px solid rgba(0, 230, 118, 0.1);
        }

        .page-hero .hero-badge {
            display: inline-block;
            padding: 0.35rem 1rem;
            background: rgba(0, 230, 118, 0.15);
            border: 1px solid rgba(0, 230, 118, 0.3);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--color-primary);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 1.5rem;
        }

        .page-hero h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 1rem;
            text-shadow: 0 0 30px rgba(0, 230, 118, 0.5);
            letter-spacing: 0.04em;
            line-height: 1.2;
        }

        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-muted);
            max-width: 650px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .page-hero .hero-cta-row {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-glow {
            display: inline-block;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.04em;
            text-decoration: none;
            transition: all var(--transition-normal);
            cursor: pointer;
        }

        .btn-glow-primary {
            background: var(--color-primary);
            color: #121212;
            border: 2px solid var(--color-primary);
            box-shadow: 0 0 24px rgba(0, 230, 118, 0.35);
        }

        .btn-glow-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-2px);
            color: #121212;
        }

        .btn-glow-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            box-shadow: 0 0 16px rgba(0, 230, 118, 0.15);
        }

        .btn-glow-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            color: var(--color-primary-hover);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 2.5rem 0;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

            .page-hero .hero-subtitle {
                font-size: 1rem;
            }

            .btn-glow {
                padding: 0.65rem 1.5rem;
                font-size: 0.9rem;
            }
        }

        /* ============ FILTER BAR ============ */
        .filter-bar {
            padding: 1.5rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            background: var(--color-card);
        }

        .filter-bar-inner {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .filter-label {
            font-weight: 600;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin-right: 0.5rem;
            white-space: nowrap;
        }

        .filter-btn {
            padding: 0.45rem 1.1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(0, 230, 118, 0.06);
        }

        .filter-btn.active {
            background: var(--color-primary);
            color: #121212;
            border-color: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 0 14px rgba(0, 230, 118, 0.3);
        }

        /* ============ LOGO WALL ============ */
        .logo-wall-section {
            padding: 3rem 0;
            background: var(--color-bg);
        }

        .logo-wall-section .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .logo-wall-section .section-header h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            color: #fff;
            margin: 0 0 0.5rem;
            letter-spacing: 0.03em;
        }

        .logo-wall-section .section-header p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin: 0;
        }

        .logo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 1.25rem;
        }

        .logo-card {
            background: var(--color-surface);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.2rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.8rem;
            transition: all var(--transition-normal);
            filter: grayscale(100%);
            opacity: 0.7;
            cursor: default;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .logo-card::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            background: radial-gradient(ellipse at center, rgba(0, 230, 118, 0.08) 0%, transparent 70%);
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .logo-card:hover {
            filter: grayscale(0%);
            opacity: 1;
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
            background: #181818;
        }

        .logo-card:hover::before {
            opacity: 1;
        }

        .logo-card .partner-logo-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transition: all var(--transition-normal);
            position: relative;
            z-index: 1;
        }

        .logo-card:hover .partner-logo-icon {
            background: rgba(0, 230, 118, 0.15);
            box-shadow: 0 0 24px rgba(0, 230, 118, 0.3);
        }

        .logo-card .partner-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
            position: relative;
            z-index: 1;
            transition: color var(--transition-normal);
        }

        .logo-card:hover .partner-name {
            color: #fff;
        }

        .logo-card .partner-tag {
            font-size: 0.75rem;
            color: var(--color-text-weak);
            position: relative;
            z-index: 1;
            transition: color var(--transition-normal);
        }

        .logo-card:hover .partner-tag {
            color: var(--color-primary);
        }

        @media (max-width: 640px) {
            .logo-grid {
                grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
                gap: 0.8rem;
            }

            .logo-card {
                padding: 1.2rem 0.8rem;
            }

            .logo-card .partner-logo-icon {
                width: 48px;
                height: 48px;
                font-size: 1.5rem;
            }

            .logo-card .partner-name {
                font-size: 0.78rem;
            }
        }

        /* ============ CASE STUDY ============ */
        .case-study-section {
            padding: 3rem 0;
            background: var(--color-card);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .case-study-section .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .case-study-section .section-header h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            color: #fff;
            margin: 0 0 0.5rem;
            letter-spacing: 0.03em;
        }

        .case-study-section .section-header p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin: 0;
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 1.5rem;
        }

        .case-card {
            background: var(--color-surface);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .case-card .case-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .case-card .case-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .case-card .case-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
        }

        .case-card .case-body .case-meta {
            font-size: 0.8rem;
            color: var(--color-primary);
            font-weight: 500;
        }

        .case-card .case-body p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        .case-card .case-body .case-stat {
            display: flex;
            gap: 1.5rem;
            margin-top: 0.5rem;
            flex-wrap: wrap;
        }

        .case-card .case-body .case-stat span {
            font-size: 0.85rem;
            color: var(--color-text-weak);
        }

        .case-card .case-body .case-stat strong {
            color: var(--color-primary);
            font-size: 1.1rem;
            font-family: var(--font-display);
        }

        @media (max-width: 640px) {
            .case-grid {
                grid-template-columns: 1fr;
            }

            .case-card .case-img {
                height: 160px;
            }
        }

        /* ============ ADVANTAGES ============ */
        .advantages-section {
            padding: 3rem 0;
            background: var(--color-bg);
        }

        .advantages-section .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .advantages-section .section-header h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            color: #fff;
            margin: 0 0 0.5rem;
            letter-spacing: 0.03em;
        }

        .advantages-section .section-header p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin: 0;
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
        }

        .advantage-card {
            background: var(--color-surface);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            text-align: center;
            transition: all var(--transition-normal);
        }

        .advantage-card:hover {
            border-color: var(--color-border-strong);
            box-shadow: 0 0 28px rgba(0, 230, 118, 0.2);
            transform: translateY(-3px);
        }

        .advantage-card .adv-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin: 0 auto 1rem;
            color: var(--color-primary);
            transition: all var(--transition-normal);
        }

        .advantage-card:hover .adv-icon {
            background: rgba(0, 230, 118, 0.2);
            box-shadow: 0 0 20px rgba(0, 230, 118, 0.35);
        }

        .advantage-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.5rem;
        }

        .advantage-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ============ PROCESS ============ */
        .process-section {
            padding: 3rem 0;
            background: var(--color-card);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .process-section .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .process-section .section-header h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            color: #fff;
            margin: 0 0 0.5rem;
            letter-spacing: 0.03em;
        }

        .process-section .section-header p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin: 0;
        }

        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            counter-reset: step;
        }

        .process-step {
            flex: 1 1 220px;
            max-width: 280px;
            background: var(--color-surface);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            text-align: center;
            position: relative;
            transition: all var(--transition-normal);
        }

        .process-step:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .process-step .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #121212;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-family: var(--font-display);
        }

        .process-step h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.5rem;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 640px) {
            .process-steps {
                flex-direction: column;
                align-items: center;
            }

            .process-step {
                max-width: 100%;
                flex: 1 1 auto;
            }
        }

        /* ============ BENEFITS TABLE ============ */
        .benefits-section {
            padding: 3rem 0;
            background: var(--color-bg);
        }

        .benefits-section .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .benefits-section .section-header h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            color: #fff;
            margin: 0 0 0.5rem;
            letter-spacing: 0.03em;
        }

        .benefits-section .section-header p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin: 0;
        }

        .benefits-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .benefits-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .benefits-table thead th {
            background: var(--color-surface);
            padding: 1rem 1.2rem;
            text-align: center;
            font-weight: 700;
            color: #fff;
            border-bottom: 2px solid var(--color-border-strong);
            font-size: 0.9rem;
            letter-spacing: 0.03em;
        }

        .benefits-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-md) 0 0 0;
        }

        .benefits-table thead th:last-child {
            border-radius: 0 var(--radius-md) 0 0;
        }

        .benefits-table tbody td {
            padding: 0.9rem 1.2rem;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.88rem;
            color: var(--color-text-muted);
            transition: background var(--transition-fast);
        }

        .benefits-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-text);
        }

        .benefits-table tbody tr:hover td {
            background: rgba(0, 230, 118, 0.03);
        }

        .benefits-table .check-icon {
            color: var(--color-primary);
            font-size: 1rem;
        }

        .benefits-table .highlight-row td {
            background: rgba(0, 230, 118, 0.05);
            border-bottom: 1px solid rgba(0, 230, 118, 0.2);
        }

        .benefits-table .highlight-row td:first-child {
            color: var(--color-primary);
        }

        @media (max-width: 768px) {
            .benefits-table {
                min-width: 600px;
            }

            .benefits-table thead th,
            .benefits-table tbody td {
                padding: 0.7rem 0.8rem;
                font-size: 0.78rem;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 3rem 0;
            background: var(--color-card);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .faq-section .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .faq-section .section-header h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            color: #fff;
            margin: 0 0 0.5rem;
            letter-spacing: 0.03em;
        }

        .faq-section .section-header p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin: 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item summary {
            padding: 1rem 1.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: all var(--transition-fast);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            color: var(--color-primary);
            font-size: 1rem;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(90deg);
        }

        .faq-item summary:hover {
            background: rgba(0, 230, 118, 0.04);
        }

        .faq-item[open] {
            border-color: var(--color-border-strong);
            box-shadow: 0 0 16px rgba(0, 230, 118, 0.15);
        }

        .faq-item[open] summary {
            color: var(--color-primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .faq-item .faq-answer {
            padding: 1rem 1.5rem 1.5rem;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        .faq-item .faq-answer p {
            margin: 0;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 3.5rem 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.8) 0%, rgba(10, 10, 10, 0.95) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            text-align: center;
            border-top: 1px solid rgba(0, 230, 118, 0.15);
            border-bottom: 1px solid rgba(0, 230, 118, 0.1);
        }

        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            color: #fff;
            margin: 0 0 1rem;
            letter-spacing: 0.04em;
        }

        .cta-section p {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .cta-section .cta-btn-row {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0D0D0D;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 3rem 0 1.5rem;
            color: var(--color-text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h5 {
            font-family: var(--font-display);
            font-size: 0.95rem;
            color: #fff;
            margin: 0 0 0.8rem;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            padding: 0.25rem 0;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--color-text-weak);
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom a {
            color: var(--color-text-weak);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
        }