/* roulang page: index */
:root {
    --brand: #0f172a;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --bg: #f8fafc;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 16px;
    --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    color: var(--text);
    background-color: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  .container-page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }

  @media (max-width: 640px) {
    .container-page {
      padding: 0 16px;
    }
  }

  /* ======= Search Box ======= */
  .search-box {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    border: 2px solid transparent;
    border-radius: 9999px;
    padding: 0 6px 0 18px;
    transition: all 0.3s ease;
  }
  .search-box:focus-within {
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.15);
  }
  .search-box input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 10px 12px;
    font-size: 14px;
    color: var(--text);
    min-width: 0;
  }
  .search-box button {
    background: var(--accent);
    color: #0f172a;
    border: none;
    border-radius: 9999px;
    padding: 8px 20px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
  }
  .search-box button:hover {
    background: var(--accent-dark);
    color: #fff;
  }

  /* ======= Nav Link ======= */
  .nav-link {
    position: relative;
    font-weight: 500;
    color: #475569;
    padding: 10px 4px;
    transition: color 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
  }
  .nav-link:hover {
    color: var(--accent);
  }
  .nav-link.active {
    color: var(--brand);
    font-weight: 600;
  }
  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent);
    border-radius: 3px 3px 0 0;
  }

  /* ======= Buttons ======= */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent);
    color: #0f172a;
    border-radius: 9999px;
    padding: 12px 28px;
    font-weight: 600;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
  }
  .btn-primary:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
  }
  .btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    border-radius: 9999px;
    padding: 12px 28px;
    font-weight: 500;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
  }
  .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: #fff;
    transform: translateY(-2px);
  }

  /* ======= Hero ======= */
  .hero-bg {
    background-image: linear-gradient(105deg, rgba(2, 6, 23, 0.88) 0%, rgba(15, 23, 42, 0.78) 55%, rgba(15, 23, 42, 0.45) 100%),
      url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    background-color: #020617;
  }

  .cta-bg {
    background-image: linear-gradient(rgba(2, 6, 23, 0.85), rgba(15, 23, 42, 0.8)),
      url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
  }

  /* ======= Cards ======= */
  .card-hover {
    transition: all 0.3s ease;
  }
  .card-hover:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
  }

  .service-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    background: #fff;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
  }
  .service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), #fbbf24);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
  }
  .service-card:hover::before {
    transform: scaleX(1);
  }
  .service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(245, 158, 11, 0.3);
  }

  .category-card {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    min-height: 260px;
    display: flex;
    align-items: flex-end;
    transition: all 0.4s ease;
  }
  .category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
  }
  .category-card .category-overlay {
    background: linear-gradient(to top, rgba(2, 6, 23, 0.92) 0%, rgba(15, 23, 42, 0.4) 55%, transparent 100%);
    padding: 28px 24px;
    width: 100%;
  }

  .game-card {
    border-radius: 18px;
    overflow: hidden;
    background: #0f172a;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.4s ease;
  }
  .game-card:hover {
    transform: translateY(-8px);
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  }

  /* ======= Section Tag ======= */
  .section-tag {
    display: inline-block;
    background: rgba(245, 158, 11, 0.1);
    color: #b45309;
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: 9999px;
    padding: 5px 18px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
  }

  .section-title {
    font-size: 32px;
    font-weight: 700;
    color: #0f172a;
    letter-spacing: -0.02em;
    line-height: 1.2;
  }
  @media (max-width: 768px) {
    .section-title {
      font-size: 24px;
    }
  }

  /* ======= News List ======= */
  .news-item {
    display: block;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 22px;
    transition: all 0.3s ease;
  }
  .news-item:hover {
    border-color: rgba(245, 158, 11, 0.35);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
  }
  .news-category {
    display: inline-block;
    background: rgba(245, 158, 11, 0.12);
    color: #b45309;
    border-radius: 9999px;
    padding: 2px 12px;
    font-size: 12px;
    font-weight: 600;
  }

  /* ======= FAQ ======= */
  .faq-item {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #fff;
    overflow: hidden;
    transition: all 0.3s;
  }
  .faq-item.open {
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
    border-color: rgba(245, 158, 11, 0.3);
  }
  .faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    color: #1e293b;
    font-size: 16px;
    transition: color 0.3s;
  }
  .faq-question:hover {
    color: #b45309;
  }
  .faq-question i {
    transition: transform 0.3s;
    color: #94a3b8;
    font-size: 14px;
    flex-shrink: 0;
    margin-left: 12px;
  }
  .faq-item.open .faq-question i {
    transform: rotate(180deg);
    color: var(--accent);
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    padding: 0 24px;
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 15px;
  }
  .faq-item.open .faq-answer {
    max-height: 400px;
    padding-bottom: 22px;
  }

  /* ======= Mobile Menu ======= */
  .mobile-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }
  .mobile-panel.open {
    max-height: 500px;
  }
  .mobile-link {
    display: block;
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 500;
    color: #334155;
    transition: all 0.25s;
  }
  .mobile-link:hover {
    background: rgba(245, 158, 11, 0.1);
    color: #b45309;
  }
  .mobile-link.active {
    background: rgba(245, 158, 11, 0.12);
    color: #b45309;
    font-weight: 600;
  }

  /* ======= Footer ======= */
  .footer-link {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .footer-link:hover {
    color: var(--accent);
  }

  .empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #94a3b8;
    border: 2px dashed #e2e8f0;
    border-radius: 16px;
    background: #f8fafc;
  }
  .empty-state i {
    font-size: 32px;
    margin-bottom: 12px;
    color: #cbd5e1;
  }

  /* Step timeline */
  .step-item {
    position: relative;
    padding: 24px 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.3s;
    text-align: center;
  }
  .step-item:hover {
    border-color: rgba(245, 158, 11, 0.35);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
  }
  .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: #0f172a;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 16px;
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.3);
  }

  @media (max-width: 1024px) {
    .desktop-search {
      display: none !important;
    }
    .mobile-search-trigger {
      display: inline-flex !important;
    }
  }
  @media (min-width: 1025px) {
    .mobile-search-trigger {
      display: none !important;
    }
  }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-brand: #0f172a;
            --color-brand-light: #1e293b;
            --color-brand-dark: #020617;
            --color-accent: #f59e0b;
            --color-accent-light: #fbbf24;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-weak: #64748b;
            --color-border: #e2e8f0;
            --color-success: #10b981;
            --color-danger: #ef4444;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(2, 6, 23, 0.08);
            --shadow-md: 0 8px 24px rgba(2, 6, 23, 0.08);
            --shadow-lg: 0 20px 48px rgba(2, 6, 23, 0.12);
            --shadow-accent: 0 8px 24px rgba(245, 158, 11, 0.3);
            --space-section: 96px;
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        input {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== 通用容器 ===== */
        .container-page {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-page {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== 导航 ===== */
        .desktop-search {
            display: flex;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #f1f5f9;
            border: 1.5px solid transparent;
            border-radius: 999px;
            padding: 0 10px 0 16px;
            height: 42px;
            width: 100%;
            transition: all 0.3s ease;
        }

        .search-box:focus-within {
            background: #fff;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
        }

        .search-box input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--color-text);
            min-width: 0;
        }

        .search-box input::placeholder {
            color: #94a3b8;
        }

        .search-box button {
            background: var(--color-brand);
            color: #fff;
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
        }

        .search-box button:hover {
            background: var(--color-accent);
            color: var(--color-brand);
            box-shadow: var(--shadow-accent);
            transform: translateY(-1px);
        }

        .mobile-search-trigger {
            display: none;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-weak);
            padding: 6px 4px;
            border-bottom: 2px solid transparent;
            transition: color 0.25s ease, border-color 0.25s ease;
        }

        .nav-link:hover {
            color: var(--color-brand);
        }

        .nav-link.active {
            color: var(--color-brand);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-brand);
            color: #fff;
            border-radius: 999px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
        }

        .btn-primary:hover {
            background: var(--color-accent);
            color: var(--color-brand);
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid var(--color-border);
            color: var(--color-text);
            border-radius: 999px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.12);
        }

        /* ===== 区块通用 ===== */
        .section {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 158, 11, 0.1);
            color: #b45309;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .section-title {
            font-size: clamp(28px, 3.5vw, 42px);
            font-weight: 800;
            color: var(--color-brand);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-weak);
            margin-top: 12px;
            line-height: 1.8;
            max-width: 640px;
        }

        /* ===== Hero Banner ===== */
        .page-hero {
            background-image: linear-gradient(90deg, rgba(2, 6, 23, 0.88) 0%, rgba(2, 6, 23, 0.65) 45%, rgba(15, 23, 42, 0.3) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 92px 0 64px;
            position: relative;
        }

        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 24px;
        }

        .page-hero .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .page-hero h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .page-hero p {
            margin-top: 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 560px;
            line-height: 1.8;
        }

        .page-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }

        .page-hero .hero-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(6px);
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(245, 158, 11, 0.3);
        }

        .card-body {
            padding: 24px;
        }

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            transition: transform 0.3s ease;
        }

        .card:hover .card-icon {
            transform: scale(1.08) rotate(-3deg);
        }

        .icon-bg-amber {
            background: rgba(245, 158, 11, 0.12);
            color: #b45309;
        }

        .icon-bg-blue {
            background: rgba(59, 130, 246, 0.12);
            color: #2563eb;
        }

        .icon-bg-green {
            background: rgba(16, 185, 129, 0.12);
            color: #059669;
        }

        .icon-bg-purple {
            background: rgba(139, 92, 246, 0.12);
            color: #7c3aed;
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-brand);
            margin-bottom: 8px;
        }

        .card-text {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* ===== 步骤流程 ===== */
        .step-item {
            position: relative;
            padding: 28px 24px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
        }

        .step-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 14px;
            background: var(--color-brand);
            color: var(--color-accent);
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .step-item:hover .step-number {
            background: var(--color-accent);
            color: var(--color-brand);
        }

        /* ===== 登录方式 ===== */
        .method-card {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 28px;
            transition: all 0.3s ease;
            height: 100%;
        }

        .method-card:hover {
            border-color: rgba(245, 158, 11, 0.4);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .method-card .method-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        /* ===== 图片文字区块 ===== */
        .feature-img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            position: relative;
        }

        .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .feature-img:hover img {
            transform: scale(1.03);
        }

        .check-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 10px 0;
            border-bottom: 1px dashed var(--color-border);
        }

        .check-list li:last-child {
            border-bottom: none;
        }

        .check-list .check-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.12);
            color: var(--color-success);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            margin-top: 3px;
        }

        /* ===== 内容列表 ===== */
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(245, 158, 11, 0.3);
        }

        .news-card .news-cover {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

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

        .news-card .news-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .news-date {
            font-size: 12px;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 8px;
        }

        .news-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-brand);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .news-card p {
            font-size: 13px;
            color: var(--color-text-weak);
            line-height: 1.7;
            flex: 1;
        }

        .news-card .more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            margin-top: 12px;
            transition: gap 0.25s ease;
        }

        .news-card .more-link:hover {
            gap: 10px;
            color: #b45309;
        }

        /* ===== FAQ 折叠 ===== */
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            background: #fff;
            padding: 0;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(245, 158, 11, 0.3);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-brand);
            cursor: pointer;
            user-select: none;
        }

        .faq-question .fa-chevron-down {
            transition: transform 0.3s ease;
            color: var(--color-text-weak);
        }

        .faq-item.active .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
        }

        .faq-answer p {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #334155 100%);
            border-radius: var(--radius-xl);
            padding: 48px 56px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section h2 {
            color: #fff;
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            line-height: 1.8;
        }

        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--color-accent);
            color: var(--color-brand);
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-accent);
        }

        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(245, 158, 11, 0.4);
        }

        /* ===== 页脚 ===== */
        .footer-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-text-weak);
            font-size: 14px;
            transition: all 0.25s ease;
        }

        .footer-link:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        /* ===== 自定义徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            line-height: 1.4;
        }

        .badge-accent {
            background: rgba(245, 158, 11, 0.12);
            color: #b45309;
        }

        .badge-green {
            background: rgba(16, 185, 129, 0.12);
            color: #059669;
        }

        .badge-blue {
            background: rgba(59, 130, 246, 0.12);
            color: #2563eb;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .desktop-search {
                display: none;
            }

            .mobile-search-trigger {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .section {
                padding-top: 72px;
                padding-bottom: 72px;
            }

            .cta-section {
                padding: 40px 32px;
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 72px 0 48px;
            }

            .section {
                padding-top: 56px;
                padding-bottom: 56px;
            }

            .section-title {
                font-size: 26px;
            }

            .method-card {
                flex-direction: column;
            }

            .cta-section {
                padding: 32px 24px;
                text-align: center;
            }

            .cta-section .btn-cta {
                margin-top: 20px;
            }

            .page-hero .hero-tags {
                gap: 8px;
            }

            .page-hero .hero-tags span {
                font-size: 12px;
                padding: 5px 10px;
            }
        }

        @media (max-width: 520px) {
            .container-page {
                padding-left: 14px;
                padding-right: 14px;
            }

            .page-hero h1 {
                font-size: 24px;
            }

            .page-hero p {
                font-size: 14px;
            }

            .card-body {
                padding: 18px;
            }

            .step-item {
                padding: 20px 16px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
        }

/* roulang page: article */
/* ============ 设计变量 ============ */
        :root {
            --brand: #0f172a;
            --brand-light: #1e293b;
            --brand-dark: #020617;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --accent-dark: #d97706;
            --bg-body: #f8fafc;
            --bg-soft: #f1f5f9;
            --bg-card: #ffffff;
            --text-main: #1e293b;
            --text-weak: #64748b;
            --text-mute: #94a3b8;
            --border-soft: #e2e8f0;
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-full: 999px;
            --shadow-card: 0 4px 24px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 12px 32px rgba(15, 23, 42, 0.12);
            --shadow-accent: 0 8px 24px rgba(245, 158, 11, 0.3);
            --container: 1280px;
            --header-height: 72px;
        }

        /* ============ 基础 Reset ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ============ 容器 ============ */
        .container-page {
            max-width: var(--container);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============ Header / 导航 ============ */
        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
            box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
            position: sticky;
            top: 0;
            z-index: 50;
        }

        /* 搜索框 */
        .search-box {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-soft);
            border: 1.5px solid transparent;
            border-radius: var(--radius-full);
            padding: 8px 16px;
            transition: all 0.3s ease;
        }
        .search-box:focus-within {
            background: #fff;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text-main);
        }
        .search-box input::placeholder {
            color: var(--text-mute);
        }
        .search-box button {
            background: var(--brand);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 5px 18px;
            font-size: 13px;
            font-weight: 600;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .search-box button:hover {
            background: var(--accent);
            box-shadow: var(--shadow-accent);
        }

        /* 导航链接 */
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-weak);
            padding: 6px 4px;
            transition: color 0.2s ease;
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--brand);
        }
        .nav-link.active {
            color: var(--brand);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2.5px;
            background: var(--accent);
            border-radius: 4px;
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100%;
            background: #fff;
            z-index: 100;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: -8px 0 40px rgba(15, 23, 42, 0.12);
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            backdrop-filter: blur(2px);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        .mobile-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            transition: all 0.2s ease;
            background: var(--bg-soft);
            margin-bottom: 8px;
        }
        .mobile-nav-link:hover {
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent-dark);
            transform: translateX(4px);
        }

        .mobile-search-trigger {
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        /* ============ 按钮 ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand);
            color: #fff;
            padding: 11px 24px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            line-height: 1.5;
        }
        .btn-primary:hover {
            background: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.4);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--brand);
            padding: 11px 24px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            border: 1.5px solid var(--border-soft);
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: rgba(245, 158, 11, 0.05);
            transform: translateY(-2px);
        }

        /* ============ 文章 Banner ============ */
        .article-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 72px 0 64px;
            color: #fff;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(2, 6, 23, 0.92) 0%, rgba(15, 23, 42, 0.75) 50%, rgba(245, 158, 11, 0.25) 100%);
        }
        .article-hero .container-page {
            position: relative;
            z-index: 1;
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            transition: color 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .breadcrumb .sep {
            opacity: 0.5;
        }

        /* 文章元信息 */
        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-full);
            padding: 6px 14px;
            backdrop-filter: blur(4px);
        }

        /* ============ 文章卡片 / 正文 ============ */
        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(226, 232, 240, 0.6);
            padding: 40px;
            transition: box-shadow 0.3s ease;
        }
        .article-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: #334155;
        }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--brand);
            margin-top: 36px;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-soft);
        }
        .article-content h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--brand);
            margin-top: 28px;
            margin-bottom: 12px;
        }
        .article-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--brand);
            margin-top: 20px;
            margin-bottom: 8px;
        }
        .article-content p {
            margin-bottom: 18px;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 18px;
            padding-left: 24px;
        }
        .article-content ul li {
            list-style: disc;
            margin-bottom: 8px;
            padding-left: 4px;
        }
        .article-content ul li::marker {
            color: var(--accent);
        }
        .article-content ol li {
            list-style: decimal;
            margin-bottom: 8px;
            padding-left: 4px;
        }
        .article-content ol li::marker {
            color: var(--accent);
            font-weight: 600;
        }
        .article-content img {
            border-radius: 14px;
            margin: 24px 0;
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-soft);
            padding: 16px 22px;
            border-radius: 0 10px 10px 0;
            margin: 24px 0;
            color: var(--text-weak);
            font-style: normal;
        }
        .article-content a {
            color: var(--accent-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(217, 119, 6, 0.35);
            transition: color 0.2s;
        }
        .article-content a:hover {
            color: var(--accent);
        }
        .article-content code {
            background: var(--bg-soft);
            border: 1px solid var(--border-soft);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 14px;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
            color: #be185d;
        }
        .article-content pre {
            background: var(--brand-dark);
            color: #e2e8f0;
            border-radius: 14px;
            padding: 20px 24px;
            overflow-x: auto;
            margin: 24px 0;
            font-size: 14px;
            line-height: 1.7;
        }
        .article-content pre code {
            background: transparent;
            border: none;
            color: inherit;
            padding: 0;
        }

        /* ============ 侧边栏卡片 ============ */
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(226, 232, 240, 0.6);
            padding: 24px;
            transition: box-shadow 0.3s ease;
        }
        .sidebar-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .sidebar-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-title::after {
            content: '';
            flex: 1;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), transparent);
            border-radius: 2px;
        }

        .sidebar-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-soft);
            transition: padding-left 0.25s ease;
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list li:hover {
            padding-left: 6px;
        }
        .sidebar-list li a {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.5;
            transition: color 0.2s;
            display: block;
        }
        .sidebar-list li a:hover {
            color: var(--accent-dark);
        }
        .sidebar-list .item-time {
            font-size: 12px;
            color: var(--text-mute);
            margin-top: 3px;
            display: block;
        }

        /* 标签 */
        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--bg-soft);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-full);
            padding: 6px 14px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-weak);
            transition: all 0.25s ease;
        }
        .tag-badge:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        /* 推荐卡片 */
        .recommend-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid rgba(226, 232, 240, 0.6);
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
        }
        .recommend-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(245, 158, 11, 0.3);
        }
        .recommend-card .img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .recommend-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .recommend-card:hover .img-wrap img {
            transform: scale(1.05);
        }
        .recommend-card .img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(2, 6, 23, 0.35), transparent 55%);
            pointer-events: none;
        }

        .recommend-card .cat-label {
            position: absolute;
            left: 14px;
            top: 14px;
            z-index: 1;
            background: rgba(245, 158, 11, 0.95);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            backdrop-filter: blur(4px);
        }

        /* ============ CTA 区域 ============ */
        .cta-section {
            background: var(--brand-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.25), transparent 65%);
            border-radius: 50%;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.12), transparent 60%);
            border-radius: 50%;
        }

        /* ============ 页脚 ============ */
        .footer-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-weak);
            transition: all 0.25s ease;
        }
        .footer-link:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        /* ============ 工具类补充 ============ */
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent-dark);
            transition: all 0.3s ease;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--brand);
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-weak);
            margin-top: 8px;
        }

        .divider-brand {
            width: 48px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
        }

        /* Focus 可访问性 */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.45);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .article-card {
                padding: 28px;
            }
            .desktop-search {
                max-width: 360px;
                margin-left: 16px;
                margin-right: 16px;
            }
        }

        @media (max-width: 768px) {
            .container-page {
                padding-left: 18px;
                padding-right: 18px;
            }
            .article-hero {
                padding: 48px 0 40px;
            }
            .section-title {
                font-size: 24px;
            }
            .article-card {
                padding: 20px;
                border-radius: 18px;
            }
            .article-content {
                font-size: 15px;
                line-height: 1.85;
            }
            .article-content h2 {
                font-size: 20px;
                margin-top: 28px;
            }
            .article-content h3 {
                font-size: 17px;
            }
            .search-box {
                padding: 7px 12px;
            }
            .search-box button {
                padding: 5px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .container-page {
                padding-left: 14px;
                padding-right: 14px;
            }
            .article-hero {
                padding: 36px 0 32px;
            }
            .article-meta-item {
                font-size: 12px;
                padding: 4px 10px;
                gap: 5px;
            }
            .article-card {
                padding: 16px;
            }
            .sidebar-card {
                padding: 18px;
            }
            .btn-primary {
                padding: 10px 18px;
                font-size: 13px;
            }
        }

        @media (max-width: 380px) {
            .article-meta-wrap {
                flex-wrap: wrap;
            }
        }

/* roulang page: category2 */
:root {
    --color-primary: #0f172a;
    --color-accent: #f59e0b;
    --color-accent-soft: #fef3c7;
    --color-bg: #f8fafc;
    --color-text: #1e293b;
    --color-muted: #64748b;
    --color-border: #e2e8f0;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.06);
    --shadow-hover: 0 18px 40px rgba(15, 23, 42, 0.12);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    font-size: 16px;
  }

  .container-page {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  @media (min-width: 640px) {
    .container-page {
      padding-left: 2rem;
      padding-right: 2rem;
    }
  }

  h1, h2, h3, h4, h5 {
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--color-primary);
  }

  a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
  }

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

  button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
  }

  .search-box {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: #fff;
    border: 1.5px solid var(--color-border);
    border-radius: 999px;
    padding: 0.45rem 0.5rem 0.45rem 1.1rem;
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
  }

  .search-box:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.15), 0 8px 24px rgba(15, 23, 42, 0.08);
  }

  .search-box input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    color: var(--color-text);
    font-size: 0.875rem;
    padding: 0.25rem 0;
  }

  .search-box input::placeholder {
    color: #94a3b8;
  }

  .search-box button {
    flex-shrink: 0;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 0.5rem 1.25rem;
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 10px rgba(245, 158, 11, 0.3);
  }

  .search-box button:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.4);
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-muted);
    padding: 0.45rem 0.25rem;
    border-bottom: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
    white-space: nowrap;
  }

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

  .nav-link.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
    font-weight: 600;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    font-weight: 600;
    border-radius: 999px;
    padding: 0.75rem 1.75rem;
    font-size: 0.9rem;
    box-shadow: 0 6px 18px rgba(245, 158, 11, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
    cursor: pointer;
    white-space: nowrap;
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(245, 158, 11, 0.4);
  }

  .btn-primary:active {
    transform: translateY(0);
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: #fff;
    color: var(--color-primary);
    font-weight: 600;
    border-radius: 999px;
    padding: 0.75rem 1.75rem;
    font-size: 0.9rem;
    border: 1.5px solid var(--color-border);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    cursor: pointer;
    white-space: nowrap;
  }

  .btn-secondary:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
    transform: translateY(-2px);
  }

  .game-card {
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
  }

  .game-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(245, 158, 11, 0.4);
  }

  .game-card .cover {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    background: #e2e8f0;
  }

  .game-card .cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .game-card:hover .cover img {
    transform: scale(1.05);
  }

  .game-card .badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: rgba(15, 23, 42, 0.85);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    backdrop-filter: blur(4px);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
  }

  .rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.6rem;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
  }

  .rank-1 {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: #fff;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
  }

  .rank-2 {
    background: linear-gradient(135deg, #94a3b8, #cbd5e1);
    color: #fff;
  }

  .rank-3 {
    background: linear-gradient(135deg, #b45309, #d97706);
    color: #fff;
  }

  .rank-normal {
    background: #f1f5f9;
    color: #64748b;
  }

  .divider-gradient {
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(245, 158, 11, 0.4), transparent);
  }

  .section-title {
    font-size: 1.6rem;
  }

  @media (min-width: 768px) {
    .section-title {
      font-size: 2rem;
    }
  }

  .stat-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.3s ease;
  }

  .stat-card:hover {
    box-shadow: var(--shadow-hover);
  }

  .stat-number {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
  }

  .stat-label {
    color: var(--color-muted);
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 0.25rem;
  }

  .section-head {
    margin-bottom: 2.25rem;
  }

  .section-head .tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--color-accent-soft);
    color: #b45309;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    margin-bottom: 0.75rem;
    letter-spacing: 0.02em;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
  }

  .faq-item:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(245, 158, 11, 0.35);
  }

  .faq-item h4 {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.4rem;
  }

  .faq-item h4 i {
    color: var(--color-accent);
    margin-top: 0.25rem;
    font-size: 0.8rem;
  }

  .faq-item p {
    color: var(--color-muted);
    font-size: 0.875rem;
    margin-left: 1.4rem;
  }

  .cta-panel {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #334155 100%);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    color: #fff;
    position: relative;
    overflow: hidden;
  }

  .cta-panel::after {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.25), transparent 70%);
    border-radius: 50%;
  }

  .cta-panel h2, .cta-panel p {
    color: #fff;
  }

  .footer-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #94a3b8;
    font-size: 0.875rem;
    transition: color 0.2s ease, transform 0.2s ease;
  }

  .footer-link:hover {
    color: #f59e0b;
    transform: translateX(3px);
  }

  .bg-hero-pattern {
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
  }

  .category-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    border: 1.5px solid var(--color-border);
    background: #fff;
    color: var(--color-muted);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
  }

  .category-chip:hover {
    border-color: var(--color-accent);
    color: var(--color-primary);
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.2);
    transform: translateY(-2px);
  }

  .category-chip.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.25);
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
    z-index: 45;
    padding: 1rem 1.25rem 1.5rem;
  }

  .mobile-menu.open {
    display: block;
  }

  .mobile-menu a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.92rem;
    transition: background 0.2s ease, color 0.2s ease;
  }

  .mobile-menu a:hover {
    background: var(--color-accent-soft);
    color: var(--color-primary);
  }

  .mobile-menu a.active {
    background: var(--color-accent-soft);
    color: #b45309;
    font-weight: 600;
  }

  .news-list-item {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    padding: 1rem 0;
    border-bottom: 1px dashed var(--color-border);
    transition: background 0.2s ease, padding-left 0.2s ease;
  }

  .news-list-item:last-child {
    border-bottom: none;
  }

  .news-list-item:hover {
    padding-left: 0.5rem;
  }

  .news-list-item .dot {
    flex-shrink: 0;
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 50%;
    background: var(--color-accent);
    margin-top: 0.5rem;
  }

  .news-list-item .title {
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
    line-height: 1.5;
  }

  .news-list-item:hover .title {
    color: #b45309;
  }

  .news-list-item .meta {
    color: #94a3b8;
    font-size: 0.75rem;
    margin-top: 0.2rem;
  }

  .rate-stars {
    color: #f59e0b;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
  }

  .tag-pill {
    display: inline-block;
    background: #f1f5f9;
    color: var(--color-muted);
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
  }

  .tag-pill.hot {
    background: #fef3c7;
    color: #b45309;
  }

  .mobile-search-trigger {
    display: none;
  }

  @media (max-width: 1023px) {
    .desktop-search {
      display: none;
    }
    .mobile-search-trigger {
      display: inline-flex;
    }
  }

  @media (max-width: 639px) {
    .cta-panel {
      padding: 2rem 1.25rem;
    }
    .stat-number {
      font-size: 1.5rem;
    }
  }

/* roulang page: category3 */
:root {
    --brand: #0f172a;
    --brand-dark: #020617;
    --accent: #f59e0b;
    --text: #1e293b;
    --text-weak: #64748b;
    --border: #e2e8f0;
    --bg-soft: #f8fafc;
    --radius: 16px;
    --shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
    --shadow-hover: 0 20px 50px rgba(15, 23, 42, 0.14);
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
    color: var(--text);
    background: #fff;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }
  .container-page { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
  a { color: var(--text); text-decoration: none; transition: color .2s ease; }
  img { max-width: 100%; display: block; }
  button, input { font-family: inherit; }

  /* 导航 */
  .nav-link {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 14px; font-weight: 500; color: #475569;
    padding: 8px 4px; border-bottom: 2px solid transparent;
    transition: color .2s, border-color .2s;
  }
  .nav-link:hover { color: var(--brand); }
  .nav-link.active {
    color: var(--brand); border-bottom-color: var(--accent);
  }
  .mobile-nav-link {
    display: block; padding: 12px 14px; font-size: 15px; font-weight: 500;
    color: #475569; border-radius: 10px; transition: background .2s, color .2s;
  }
  .mobile-nav-link:hover { background: #f1f5f9; color: var(--brand); }
  .mobile-nav-link.active { background: #fffbeb; color: var(--brand); font-weight: 600; }

  /* 搜索框 */
  .search-box {
    display: flex; align-items: center; gap: 10px;
    background: #f8fafc; border: 1px solid var(--border);
    border-radius: 999px; padding: 8px 8px 8px 18px;
    transition: border-color .25s, box-shadow .25s;
  }
  .search-box:focus-within {
    border-color: var(--accent); box-shadow: 0 0 0 4px rgba(245, 158, 11, .15);
  }
  .search-box input {
    flex: 1; border: none; outline: none; background: transparent;
    font-size: 14px; color: var(--text); min-width: 0;
  }
  .search-box input::placeholder { color: #94a3b8; }
  .search-box button {
    background: var(--brand); color: #fff; border: none; border-radius: 999px;
    padding: 7px 20px; font-size: 13px; font-weight: 600; cursor: pointer;
    transition: background .2s, transform .15s;
  }
  .search-box button:hover { background: #1e293b; }
  .search-box button:active { transform: scale(.96); }

  /* 按钮 */
  .btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--brand); color: #fff; font-weight: 600;
    border-radius: 999px; padding: 12px 28px; font-size: 15px;
    border: none; cursor: pointer; transition: all .25s ease;
  }
  .btn-primary:hover { background: #1e293b; color: #fff; transform: translateY(-1px); box-shadow: 0 12px 30px rgba(15,23,42,.2); }
  .btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent; color: var(--brand); font-weight: 600;
    border-radius: 999px; padding: 12px 28px; font-size: 15px;
    border: 1.5px solid var(--brand); cursor: pointer; transition: all .25s ease;
  }
  .btn-outline:hover { background: var(--brand); color: #fff; transform: translateY(-1px); }
  .btn-accent {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--accent); color: var(--brand); font-weight: 700;
    border-radius: 999px; padding: 12px 28px; font-size: 15px;
    border: none; cursor: pointer; transition: all .25s ease;
  }
  .btn-accent:hover { background: #d97706; color: #fff; transform: translateY(-1px); box-shadow: 0 12px 30px rgba(245,158,11,.3); }

  /* 卡片 */
  .card-hover {
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s;
  }
  .card-hover:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(245,158,11,.5);
  }

  /* 标签 */
  .badge {
    display: inline-flex; align-items: center; gap: 4px;
    background: #fffbeb; color: #b45309; font-size: 12px; font-weight: 600;
    padding: 4px 12px; border-radius: 999px; border: 1px solid #fde68a;
  }
  .badge-green {
    background: #ecfdf5; color: #047857; border-color: #a7f3d0;
  }
  .badge-blue {
    background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe;
  }

  /* 页脚 */
  .footer-link {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 14px; color: #94a3b8; transition: color .2s, padding-left .2s;
  }
  .footer-link:hover { color: #f8fafc; padding-left: 4px; }

  /* Hero */
  .security-hero {
    position: relative;
    background: linear-gradient(135deg, rgba(2,6,23,.94), rgba(15,23,42,.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    color: #fff;
  }
  .hero-glow {
    position: absolute; width: 500px; height: 500px; border-radius: 50%;
    background: radial-gradient(circle, rgba(245,158,11,.25), transparent 70%);
    top: -180px; right: -80px; pointer-events: none;
  }
  .hero-glow-2 {
    position: absolute; width: 400px; height: 400px; border-radius: 50%;
    background: radial-gradient(circle, rgba(245,158,11,.15), transparent 70%);
    bottom: -160px; left: -100px; pointer-events: none;
  }

  /* FAQ */
  .faq-item { background: #fff; border: 1px solid var(--border); border-radius: 14px; transition: border-color .25s, box-shadow .25s; }
  .faq-item:hover { border-color: rgba(245,158,11,.4); box-shadow: 0 6px 20px rgba(15,23,42,.06); }
  .faq-question { cursor: pointer; }
  .faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
  .faq-item.open .faq-answer { max-height: 400px; }
  .faq-item.open .faq-icon { transform: rotate(45deg); }
  .faq-icon { transition: transform .3s ease; }

  /* 流程线 */
  .step-line::before {
    content: ''; position: absolute; top: 46px; left: -28px; width: 56px; height: 2px;
    background: linear-gradient(90deg, #fde68a, var(--accent));
  }
  .step-item:first-child .step-line::before { display: none; }

  /* 移动端导航 */
  #mobileSearchPanel { display: none; }
  #mobileSearchPanel.show { display: block; }

  @media (max-width: 1024px) {
    .desktop-search { display: none; }
    .container-page { padding: 0 20px; }
  }
  @media (max-width: 640px) {
    .container-page { padding: 0 16px; }
  }