/* roulang page: index */
:root {
    --brand: #0E9F8A;
    --brand-dark: #0B6E5B;
    --accent: #FF7A45;
    --accent-dark: #F0552A;
    --bg-light: #F6F8FA;
    --card-alt: #EFF7F5;
    --text-primary: #1A2B33;
    --text-subtle: #5B6D78;
    --text-faint: #94A3AB;
    --border: #E2E8EC;
    --success: #2FBF71;
    --brand-gradient: linear-gradient(135deg, #0E9F8A 0%, #0B6E5B 100%);
    --cta-gradient: linear-gradient(135deg, #FF7A45 0%, #F0552A 100%);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; transition: all .3s ease; }
  button { cursor: pointer; border: none; background: none; font-family: inherit; }
  .container-main { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
  @media (min-width: 640px) { .container-main { padding: 0 24px; } }
  @media (min-width: 1024px) { .container-main { padding: 0 32px; } }

  /* ===== Hero 背景纹理 ===== */
  .hero-bg {
    background: linear-gradient(135deg, #0E9F8A 0%, #0B6E5B 100%);
    position: relative;
    overflow: hidden;
  }
  .hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
      radial-gradient(circle at 20% 30%, rgba(255,255,255,0.10) 0%, transparent 40%),
      radial-gradient(circle at 80% 70%, rgba(255,255,255,0.08) 0%, transparent 35%),
      url("data:image/svg+xml,%3Csvg width='120' height='120' viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23ffffff' stroke-width='1' stroke-opacity='0.12'%3E%3Ccircle cx='60' cy='60' r='20'/%3E%3Ccircle cx='60' cy='60' r='40'/%3E%3Ccircle cx='60' cy='60' r='60'/%3E%3C/g%3E%3C/svg%3E");
    z-index: 0;
    pointer-events: none;
  }
  .hero-bg > * { position: relative; z-index: 1; }

  /* ===== 卡片 hover 效果 ===== */
  .card-hover {
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
  }
  .card-hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--brand-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .4s ease;
  }
  .card-hover:hover::before { transform: scaleX(1); }
  .card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.10);
  }

  /* ===== 按钮 ===== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    color: #fff;
    background: var(--brand-gradient);
    box-shadow: 0 4px 14px rgba(14,159,138,0.25);
    transition: all .3s ease;
  }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(14,159,138,0.35); }
  .btn-primary:active { transform: scale(0.96); }
  .btn-primary:focus-visible { outline: 2px solid rgba(14,159,138,0.5); outline-offset: 2px; }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    color: var(--brand);
    background: #fff;
    border: 1.5px solid var(--brand);
    transition: all .3s ease;
  }
  .btn-secondary:hover { background: rgba(14,159,138,0.08); transform: translateY(-2px); }
  .btn-secondary:active { transform: scale(0.96); }
  .btn-secondary:focus-visible { outline: 2px solid rgba(14,159,138,0.4); outline-offset: 2px; }

  .btn-accent {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 17px;
    color: #fff;
    background: var(--cta-gradient);
    box-shadow: 0 8px 24px rgba(255,122,69,0.30);
    transition: all .3s ease;
  }
  .btn-accent:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(255,122,69,0.40); }
  .btn-accent:active { transform: scale(0.96); }
  .btn-accent:focus-visible { outline: 2px solid rgba(255,122,69,0.5); outline-offset: 2px; }

  /* ===== 区块标题 ===== */
  .section-title-wrap { margin-bottom: 16px; }
  .section-title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
  }
  .section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    border-radius: 4px;
    background: var(--brand-gradient);
  }
  .section-subtitle {
    font-size: 15px;
    color: var(--text-subtle);
    padding-left: 20px;
    line-height: 1.6;
    max-width: 480px;
  }
  @media (min-width: 768px) {
    .section-title { font-size: 32px; }
  }

  /* ===== 徽章 ===== */
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
  }
  .badge-green { background: rgba(14,159,138,0.12); color: var(--brand-dark); }
  .badge-orange { background: rgba(255,122,69,0.15); color: var(--accent-dark); }
  .badge-white { background: rgba(255,255,255,0.2); color: #fff; backdrop-filter: blur(4px); }

  /* ===== 数据徽章 ===== */
  .stat-card {
    text-align: center;
    padding: 24px 16px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all .3s ease;
  }
  .stat-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.06); transform: translateY(-2px); }
  .stat-number { font-size: 30px; font-weight: 800; color: var(--text-primary); font-variant-numeric: tabular-nums; }
  .stat-label { font-size: 13px; color: var(--text-subtle); margin-top: 4px; }

  /* ===== FAQ ===== */
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all .3s ease;
  }
  .faq-item.active { background: var(--card-alt); border-color: rgba(14,159,138,0.3); }
  .faq-question {
    width: 100%;
    text-align: left;
    padding: 18px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: all .3s ease;
  }
  .faq-question:hover { color: var(--brand); }
  .faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--brand-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    transition: transform .3s ease;
  }
  .faq-item.active .faq-icon { transform: rotate(45deg); background: var(--cta-gradient); }
  .faq-answer {
    max-height: 0;
    padding: 0 24px;
    overflow: hidden;
    transition: max-height .35s ease, padding .35s ease;
    color: var(--text-subtle);
    font-size: 15px;
    line-height: 1.8;
  }
  .faq-item.active .faq-answer { max-height: 300px; padding-bottom: 20px; }

  /* ===== 导航 ===== */
  .navbar {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226,232,236,0.8);
    position: sticky;
    top: 0;
    z-index: 50;
  }
  .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-subtle);
    padding: 8px 4px;
    position: relative;
    white-space: nowrap;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--brand-gradient);
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform .3s ease;
  }
  .nav-link:hover { color: var(--brand); }
  .nav-link:hover::after { transform: scaleX(1); }
  .nav-link.active { color: var(--brand); font-weight: 600; }
  .nav-link.active::after { transform: scaleX(1); }

  /* ===== 移动端抽屉 ===== */
  .mobile-drawer {
    position: fixed;
    top: 64px;
    right: 0;
    bottom: 0;
    left: 0;
    background: #fff;
    z-index: 40;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transform: translateY(-100%);
    transition: transform .4s ease;
    visibility: hidden;
  }
  .mobile-drawer.open {
    transform: translateY(0);
    visibility: visible;
    box-shadow: 0 20px 40px rgba(0,0,0,0.10);
  }
  .mobile-drawer .nav-link {
    font-size: 18px;
    padding: 14px 16px;
    border-radius: 12px;
    color: var(--text-primary);
  }
  .mobile-drawer .nav-link:hover { background: var(--card-alt); }
  .mobile-drawer .nav-link.active { background: rgba(14,159,138,0.10); color: var(--brand); }

  /* ===== 面包屑 ===== */
  .breadcrumb-item {
    font-size: 14px;
    color: var(--text-faint);
    transition: color .3s;
  }
  .breadcrumb-item:hover { color: var(--brand); }
  .breadcrumb-item.active { color: var(--text-subtle); pointer-events: none; }
  .breadcrumb-divider { font-size: 14px; color: var(--text-faint); margin: 0 8px; }

  /* ===== 内容列表 ===== */
  .info-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all .3s ease;
  }
  .info-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    transform: translateY(-4px);
  }
  .info-card .card-img { width: 100%; height: 180px; object-fit: cover; transition: transform .4s; }
  .info-card:hover .card-img { transform: scale(1.03); }
  .info-card .card-body { padding: 20px; }
  .info-card .card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
    transition: color .3s;
  }
  .info-card:hover .card-title { color: var(--brand); }
  .info-card .card-summary {
    font-size: 14px;
    color: var(--text-subtle);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .info-card .card-meta { font-size: 13px; color: var(--text-faint); }

  /* ===== 页脚 ===== */
  .footer {
    background: var(--brand-dark);
    color: rgba(255,255,255,0.85);
  }
  .footer a { color: rgba(255,255,255,0.7); }
  .footer a:hover { color: #FFD9C9; }
  .footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
  .footer-link {
    font-size: 14px;
    line-height: 2.2;
    color: rgba(255,255,255,0.7);
    transition: color .3s;
  }
  .footer-link:hover { color: #FFD9C9; }

  /* ===== 图片文字遮罩 ===== */
  .img-overlay {
    position: relative;
    overflow: hidden;
  }
  .img-overlay .overlay-content {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(11,110,91,0.8) 0%, rgba(11,110,91,0) 60%);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    color: #fff;
  }

  /* ===== 锚点胶囊 ===== */
  .anchor-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--border);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-subtle);
    transition: all .3s;
  }
  .anchor-pill:hover { border-color: var(--brand); color: var(--brand); box-shadow: 0 4px 12px rgba(14,159,138,0.12); }

  /* ===== 分隔线 ===== */
  .divider-dashed {
    border: none;
    border-top: 2px dashed var(--border);
    margin: 0;
  }

  /* ===== 焦点可见性 ===== */
  a:focus-visible, button:focus-visible {
    outline: 2px solid rgba(14,159,138,0.5);
    outline-offset: 2px;
    border-radius: 4px;
  }

/* roulang page: article */
:root {
            --brand: #0E9F8A;
            --brand-dark: #0B6E5B;
            --accent: #FF7A45;
            --accent-dark: #F0552A;
            --bg: #F6F8FA;
            --bg-white: #FFFFFF;
            --card-alt: #EFF7F5;
            --text-primary: #1A2B33;
            --text-subtle: #5B6D78;
            --text-faint: #94A3AB;
            --border: #E2E8EC;
            --success: #2FBF71;
            --radius-lg: 24px;
            --radius-md: 12px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button:focus,
        a:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(14, 159, 138, 0.35);
        }
        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        @media (min-width: 640px) {
            .container-main {
                padding: 0 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-main {
                padding: 0 2rem;
            }
        }
        .navbar {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-subtle);
            padding: 0.25rem 0;
            transition: color 0.2s ease;
        }
        .nav-link:hover {
            color: var(--brand);
        }
        .nav-link.active {
            color: var(--brand);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--brand), var(--brand-dark));
            color: #fff;
            font-weight: 600;
            padding: 0.625rem 1.25rem;
            border-radius: var(--radius-md);
            transition: all 0.2s ease;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            box-shadow: 0 2px 8px rgba(14, 159, 138, 0.2);
        }
        .btn-primary:hover {
            opacity: 0.92;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(14, 159, 138, 0.3);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #FF7A45, #F0552A);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-md);
            transition: all 0.2s ease;
            box-shadow: 0 8px 20px rgba(255, 122, 69, 0.25);
            cursor: pointer;
            border: none;
            font-size: 1rem;
        }
        .btn-accent:hover {
            opacity: 0.92;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 122, 69, 0.35);
        }
        .btn-accent:active {
            transform: scale(0.97);
        }
        .text-brand {
            color: var(--brand);
        }
        .text-textSubtle {
            color: var(--text-subtle);
        }
        .text-textFaint {
            color: var(--text-faint);
        }
        .border-border {
            border-color: var(--border);
        }
        .footer {
            background: linear-gradient(135deg, #0B6E5B 0%, #0A5145 100%);
        }
        .footer-title {
            color: rgba(255, 255, 255, 0.95);
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color 0.2s ease;
        }
        .footer-link:hover {
            color: #FFD9C9;
        }
        .breadcrumb-bar {
            background: linear-gradient(180deg, #EFF7F5 0%, rgba(239, 247, 245, 0.5) 100%);
            border-bottom: 1px solid var(--border);
        }
        .article-body {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            word-break: break-word;
        }
        .article-body p {
            margin-bottom: 1.5rem;
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 2.25rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border);
            color: var(--text-primary);
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 2rem 0 0.75rem;
            color: var(--text-primary);
        }
        .article-body img {
            width: 100%;
            border-radius: 12px;
            margin: 1.5rem 0;
            height: auto;
            box-shadow: var(--shadow-md);
        }
        .article-body blockquote {
            border-left: 4px solid var(--brand);
            background: var(--card-alt);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            color: var(--text-subtle);
        }
        .article-body ul,
        .article-body ol {
            margin: 1rem 0 1.5rem;
            padding-left: 1.5rem;
        }
        .article-body li {
            margin-bottom: 0.5rem;
        }
        .article-body a {
            color: var(--brand);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            display: block;
            overflow-x: auto;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--border);
            padding: 0.75rem 1rem;
            text-align: left;
        }
        .article-body th {
            background: var(--card-alt);
            font-weight: 600;
        }
        .article-body pre {
            background: #1A2B33;
            color: #E2E8F0;
            padding: 1.25rem 1.5rem;
            border-radius: 12px;
            overflow-x: auto;
            margin: 1.5rem 0;
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .article-body code {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
            font-size: 0.9em;
            background: var(--card-alt);
            padding: 0.2em 0.4em;
            border-radius: 4px;
        }
        .article-body pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card {
            transition: all 0.3s ease;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(14, 159, 138, 0.3);
        }
        .related-card:hover .related-title {
            color: var(--brand);
        }
        @media (max-width: 640px) {
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
        }

/* roulang page: category1 */
:root {
    --brand: #0E9F8A;
    --brand-deep: #0B6E5B;
    --accent: #FF7A45;
    --accent-deep: #F0552A;
    --bg-soft: #F6F8FA;
    --bg-white: #FFFFFF;
    --bg-card-alt: #EFF7F5;
    --text-primary: #1A2B33;
    --text-secondary: #5B6D78;
    --text-muted: #94A3AB;
    --border-color: #E2E8EC;
    --success: #2FBF71;
    --radius-lg: 24px;
    --radius-md: 12px;
    --shadow-sm: 0 1px 3px rgba(26, 43, 51, 0.06);
    --shadow-md: 0 8px 30px rgba(26, 43, 51, 0.08);
    --shadow-lg: 0 20px 40px rgba(14, 159, 138, 0.16);
  }

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

  html {
    scroll-behavior: smooth;
  }

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

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

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

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

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

  .text-secondary {
    color: var(--text-secondary);
  }

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

  .bg-soft {
    background: var(--bg-soft);
  }

  .bg-card-alt {
    background: var(--bg-card-alt);
  }

  .navbar {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 8px rgba(26, 43, 51, 0.04);
  }

  .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 2px;
    position: relative;
    transition: color 0.3s, opacity 0.3s;
    white-space: nowrap;
  }

  .nav-link:hover {
    color: var(--brand);
    opacity: 0.85;
  }

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

  .nav-link.active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(135deg, var(--brand), var(--brand-deep));
  }

  .mobile-nav-link {
    display: block;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
  }

  .mobile-nav-link:hover {
    background: var(--bg-soft);
    color: var(--brand);
  }

  .mobile-nav-link.active {
    background: var(--bg-card-alt);
    color: var(--brand);
    font-weight: 600;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
    color: #fff;
    font-weight: 600;
    border-radius: var(--radius-md);
    padding: 12px 24px;
    transition: all 0.3s;
    box-shadow: 0 4px 14px rgba(14, 159, 138, 0.25);
    border: none;
    line-height: 1.4;
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(14, 159, 138, 0.35);
    filter: brightness(1.05);
  }

  .btn-primary:active {
    transform: scale(0.96);
  }

  .btn-primary:focus,
  .btn-secondary:focus,
  .btn-cta:focus,
  .anchor-pill:focus,
  .nav-link:focus,
  .footer-link:focus {
    outline: 2px solid rgba(14, 159, 138, 0.4);
    outline-offset: 2px;
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: var(--brand);
    font-weight: 600;
    border: 1.5px solid var(--brand);
    border-radius: var(--radius-md);
    padding: 12px 24px;
    transition: all 0.3s;
    line-height: 1.4;
  }

  .btn-secondary:hover {
    background: rgba(14, 159, 138, 0.08);
    transform: translateY(-2px);
  }

  .btn-secondary:active {
    transform: scale(0.96);
  }

  .btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
    color: #fff;
    font-weight: 700;
    border-radius: var(--radius-md);
    padding: 14px 40px;
    font-size: 18px;
    box-shadow: 0 8px 24px rgba(255, 122, 69, 0.32);
    transition: all 0.3s;
    border: none;
    line-height: 1.4;
  }

  .btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(255, 122, 69, 0.42);
    filter: brightness(1.04);
  }

  .btn-cta:active {
    transform: scale(0.96);
  }

  .page-hero {
    position: relative;
    padding: 88px 0 104px;
    background: linear-gradient(135deg, rgba(14, 159, 138, 0.92), rgba(11, 110, 91, 0.94)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    overflow: hidden;
    min-height: 380px;
    display: flex;
    align-items: center;
  }

  .page-hero::after {
    content: '';
    position: absolute;
    right: -80px;
    top: -80px;
    width: 340px;
    height: 340px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    pointer-events: none;
  }

  .page-hero::before {
    content: '';
    position: absolute;
    left: -60px;
    bottom: -80px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    pointer-events: none;
  }

  .hero-sub {
    color: rgba(255, 255, 255, 0.88);
    font-size: 18px;
    line-height: 1.7;
    margin-top: 16px;
    max-width: 620px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 32px;
  }

  .badge-safe {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 20px;
  }

  .anchor-nav {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
  }

  .anchor-pill {
    display: inline-flex;
    align-items: center;
    padding: 9px 22px;
    border-radius: 999px;
    background: var(--bg-soft);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    margin-right: 10px;
    transition: all 0.3s;
    border: 1px solid transparent;
  }

  .anchor-pill:hover {
    background: var(--bg-card-alt);
    color: var(--brand);
    border-color: rgba(14, 159, 138, 0.3);
  }

  .anchor-pill:active {
    transform: scale(0.96);
  }

  .section {
    padding: 80px 0;
  }

  .section-header {
    margin-bottom: 48px;
    max-width: 720px;
  }

  .section-header h2 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 12px;
    padding-left: 20px;
    border-left: 4px solid var(--brand);
    border-radius: 2px;
    letter-spacing: -0.01em;
  }

  .section-header p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
  }

  .card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }

  .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--brand), var(--brand-deep));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: 1;
  }

  .card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
  }

  .card:hover::before {
    transform: scaleX(1);
  }

  .card-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--brand), var(--brand-deep));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(14, 159, 138, 0.2);
  }

  .tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    background: var(--bg-card-alt);
    color: var(--brand);
    letter-spacing: 0.02em;
  }

  .security-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 28px 24px;
    transition: all 0.3s;
  }

  .security-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
  }

  .security-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--bg-card-alt);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    transition: all 0.3s;
  }

  .security-card:hover .security-icon {
    background: linear-gradient(135deg, var(--brand), var(--brand-deep));
    color: #fff;
  }

  .step-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 28px 30px;
    text-align: center;
    transition: all 0.3s;
  }

  .step-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
  }

  .step-num {
    position: absolute;
    top: 14px;
    right: 22px;
    font-size: 60px;
    font-weight: 800;
    color: var(--brand);
    opacity: 0.12;
    line-height: 1;
    pointer-events: none;
  }

  .step-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand), var(--brand-deep));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
    box-shadow: 0 8px 20px rgba(14, 159, 138, 0.25);
  }

  .step-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
  }

  .step-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.65;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 12px;
    transition: background 0.3s, border-color 0.3s;
  }

  .faq-item[open] {
    background: var(--bg-card-alt);
    border-color: rgba(14, 159, 138, 0.25);
  }

  .faq-item summary {
    padding: 18px 24px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
    font-size: 16px;
    transition: color 0.3s;
    user-select: none;
  }

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

  .faq-item summary::after {
    content: '+';
    font-size: 26px;
    font-weight: 400;
    color: var(--brand);
    transition: transform 0.3s;
    line-height: 1;
    margin-left: 16px;
  }

  .faq-item[open] summary::after {
    transform: rotate(45deg);
  }

  .faq-item .faq-answer {
    padding: 0 24px 22px;
    color: var(--text-secondary);
    line-height: 1.75;
    font-size: 15px;
  }

  .cta-section {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
    padding: 88px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    right: -100px;
    top: -100px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.08);
    pointer-events: none;
  }

  .cta-section::after {
    content: '';
    position: absolute;
    left: -60px;
    bottom: -120px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.05);
    pointer-events: none;
  }

  .cta-section h2 {
    color: #fff;
    font-size: 36px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.01em;
  }

  .cta-section p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 17px;
    margin-top: 12px;
  }

  .cta-section .btn-cta {
    margin-top: 32px;
    position: relative;
    z-index: 2;
  }

  .footer {
    background: var(--brand-deep);
    color: rgba(255, 255, 255, 0.75);
  }

  .footer-title {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
  }

  .footer-link {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    transition: color 0.3s;
  }

  .footer-link:hover {
    color: #FFD9C9;
  }

  @media (max-width: 1024px) {
    .section {
      padding: 56px 0;
    }
    .page-hero {
      padding: 64px 0 72px;
      min-height: 320px;
    }
    .section-header h2 {
      font-size: 26px;
    }
    .cta-section h2 {
      font-size: 28px;
    }
    .container-main {
      padding: 0 20px;
    }
  }

  @media (max-width: 640px) {
    .container-main {
      padding: 0 16px;
    }
    .section-header {
      margin-bottom: 32px;
    }
    .section-header h2 {
      font-size: 23px;
      padding-left: 16px;
    }
    .hero-sub {
      font-size: 16px;
    }
    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
      width: 100%;
    }
    .step-num {
      font-size: 48px;
      top: 10px;
      right: 16px;
    }
    .step-card {
      padding: 30px 20px 26px;
    }
    .faq-item summary {
      font-size: 15px;
      padding: 16px 18px;
    }
    .faq-item .faq-answer {
      padding: 0 18px 18px;
      font-size: 14px;
    }
    .card {
      padding: 22px;
    }
    .cta-section {
      padding: 64px 0;
    }
  }

/* roulang page: category2 */
:root {
  --brand: #0E9F8A;
  --brand-dark: #0B6E5B;
  --accent: #FF7A45;
  --accent-dark: #F0552A;
  --bg-light: #F6F8FA;
  --bg-white: #FFFFFF;
  --bg-card-alt: #EFF7F5;
  --text-primary: #1A2B33;
  --text-secondary: #5B6D78;
  --text-muted: #94A3AB;
  --border-color: #E2E8EC;
  --success: #2FBF71;
  --radius-lg: 24px;
  --radius-md: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.10);
  --gradient-brand: linear-gradient(135deg, #0E9F8A 0%, #0B6E5B 100%);
  --gradient-cta: linear-gradient(135deg, #FF7A45 0%, #F0552A 100%);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; background: var(--bg-light); color: var(--text-primary); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 14px; }
.container-main { max-width: 1280px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
@media (min-width: 640px) { .container-main { padding-left: 32px; padding-right: 32px; } }
@media (min-width: 1024px) { .container-main { padding-left: 40px; padding-right: 40px; } }

/* ===== 导航 ===== */
.navbar { background: rgba(255,255,255,0.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 50; }
.nav-link { font-size: 15px; font-weight: 500; color: var(--text-secondary); transition: color 0.2s, opacity 0.2s; position: relative; padding: 8px 2px; letter-spacing: 0.02em; }
.nav-link:hover { color: var(--brand); }
.nav-link.active { color: var(--brand); font-weight: 600; }
.nav-link.active::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 3px; border-radius: 3px; background: var(--gradient-brand); }
.mobile-drawer { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border-color); padding: 16px 20px 24px; box-shadow: 0 16px 32px rgba(0,0,0,0.08); }
.mobile-drawer.open { display: block; }
.mobile-link { display: block; padding: 12px 4px; font-size: 16px; font-weight: 500; color: var(--text-primary); border-bottom: 1px solid #f0f2f4; transition: color 0.2s; }
.mobile-link:hover { color: var(--brand); }
.mobile-link.active { color: var(--brand); font-weight: 600; }
.mobile-menu-btn { width: 42px; height: 42px; border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--text-primary); background: var(--bg-light); transition: background 0.2s; }
.mobile-menu-btn:hover { background: #edf2f5; }
.mobile-menu-btn:focus { outline: 2px solid rgba(14,159,138,0.4); outline-offset: 2px; }

/* ===== 按钮 ===== */
.btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--gradient-brand); color: #fff; font-weight: 600; border-radius: 12px; padding: 12px 24px; transition: all 0.3s; border: none; box-shadow: 0 4px 14px rgba(14,159,138,0.25); font-size: 15px; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(14,159,138,0.35); filter: brightness(1.04); }
.btn-primary:active { transform: scale(0.97); }
.btn-primary:focus { outline: none; box-shadow: 0 0 0 3px rgba(14,159,138,0.4); }

.btn-secondary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: #fff; color: var(--brand); font-weight: 600; border-radius: 12px; padding: 12px 24px; border: 1.5px solid var(--brand); transition: all 0.3s; font-size: 15px; }
.btn-secondary:hover { background: rgba(14,159,138,0.08); border-color: var(--brand-dark); color: var(--brand-dark); }
.btn-secondary:active { transform: scale(0.97); }
.btn-secondary:focus { outline: none; box-shadow: 0 0 0 3px rgba(14,159,138,0.25); }

.btn-cta { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--gradient-cta); color: #fff; font-weight: 700; border-radius: 12px; padding: 14px 32px; transition: all 0.3s; box-shadow: 0 8px 24px rgba(240,85,42,0.3); font-size: 16px; }
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(240,85,42,0.4); filter: brightness(1.05); }
.btn-cta:active { transform: scale(0.96); }
.btn-cta:focus { outline: none; box-shadow: 0 0 0 3px rgba(255,122,69,0.4); }

/* ===== 分类 Hero ===== */
.category-hero { position: relative; min-height: 420px; display: flex; align-items: center; background: linear-gradient(120deg, #0E9F8A 0%, #0B6E5B 100%); overflow: hidden; }
.category-hero::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.webp'); background-size: cover; background-position: center; opacity: 0.22; }
.category-hero::after { content: ''; position: absolute; top: -80px; right: -40px; width: 360px; height: 360px; border-radius: 50%; background: rgba(255,255,255,0.06); border: 2px dashed rgba(255,255,255,0.18); }
.category-hero-content { position: relative; z-index: 2; width: 100%; padding: 72px 0; }
.hero-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,0.16); color: #fff; font-size: 13px; font-weight: 600; padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.22); backdrop-filter: blur(4px); margin-bottom: 20px; }
.hero-tag svg { width: 14px; height: 14px; }
.category-hero h1 { font-size: 40px; font-weight: 800; color: #fff; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 14px; }
.category-hero p { font-size: 17px; color: rgba(255,255,255,0.88); max-width: 640px; line-height: 1.7; }
.hero-line { width: 56px; height: 4px; background: var(--accent); border-radius: 4px; margin: 22px 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 28px; }
@media (max-width: 768px) {
  .category-hero { min-height: 360px; }
  .category-hero h1 { font-size: 30px; }
  .category-hero p { font-size: 15px; }
}

/* ===== 锚点导航 ===== */
.anchor-nav-wrap { background: #fff; border-bottom: 1px solid var(--border-color); padding: 16px 0; }
.anchor-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.anchor-btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 20px; border-radius: 999px; background: var(--bg-light); border: 1px solid var(--border-color); font-size: 14px; font-weight: 500; color: var(--text-secondary); transition: all 0.25s; }
.anchor-btn:hover { background: rgba(14,159,138,0.08); border-color: var(--brand); color: var(--brand); }
.anchor-btn:focus { outline: 2px solid rgba(14,159,138,0.3); outline-offset: 2px; }
.anchor-btn .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); opacity: 0.6; }

/* ===== 权益列表 + 侧边栏 ===== */
.section-pad { padding: 72px 0; }
.layout-split { display: grid; grid-template-columns: 1fr; gap: 40px; }
@media (min-width: 1024px) {
  .layout-split { grid-template-columns: 1fr 380px; gap: 48px; }
}
.left-list { display: flex; flex-direction: column; gap: 24px; }
.sidebar-sticky { position: sticky; top: 96px; }

.section-heading { margin-bottom: 36px; }
.section-heading .section-tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--brand); background: rgba(14,159,138,0.08); padding: 4px 12px; border-radius: 999px; margin-bottom: 12px; }
.section-heading h2 { font-size: 28px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.3; position: relative; padding-left: 18px; }
.section-heading h2::before { content: ''; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; border-radius: 4px; background: var(--gradient-brand); }
.section-heading .sub { color: var(--text-secondary); font-size: 15px; margin-top: 8px; margin-left: 18px; }

.benefit-card { background: #fff; border: 1px solid var(--border-color); border-radius: 24px; padding: 28px; transition: all 0.3s; position: relative; overflow: hidden; box-shadow: var(--shadow-sm); }
.benefit-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--gradient-brand); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease; }
.benefit-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.benefit-card:hover::before { transform: scaleX(1); }
.benefit-card-header { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 12px; }
.benefit-icon { width: 56px; height: 56px; border-radius: 16px; background: var(--gradient-brand); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: #fff; box-shadow: 0 6px 16px rgba(14,159,138,0.25); }
.benefit-icon svg { width: 26px; height: 26px; }
.benefit-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 4px; }
.benefit-card .brief { font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.6; }
.benefit-card .desc { font-size: 14px; color: var(--text-secondary); line-height: 1.75; }
.benefit-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag { display: inline-flex; align-items: center; gap: 4px; padding: 4px 12px; background: var(--bg-card-alt); color: var(--brand-dark); font-size: 12px; font-weight: 600; border-radius: 999px; }
.tag svg { width: 12px; height: 12px; }

/* ===== 侧边栏 ===== */
.sidebar-card { background: #fff; border: 1px solid var(--border-color); border-radius: 24px; padding: 28px; box-shadow: var(--shadow-sm); margin-bottom: 24px; }
.sidebar-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.sidebar-card .side-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.form-input { width: 100%; border: 1px solid var(--border-color); border-radius: 12px; padding: 11px 14px; font-size: 14px; background: #FBFCFD; transition: border-color 0.2s, box-shadow 0.2s; color: var(--text-primary); }
.form-input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(14,159,138,0.15); background: #fff; }
.form-input::placeholder { color: var(--text-muted); }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%235B6D78' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 16px; padding-right: 40px; }
.form-success { display: none; background: rgba(47,191,113,0.1); border: 1px solid rgba(47,191,113,0.3); color: #1c8a4f; padding: 12px 16px; border-radius: 12px; font-size: 14px; font-weight: 500; margin-top: 14px; }
.form-success.show { display: flex; align-items: center; gap: 8px; }

.data-panel { background: var(--gradient-brand); border-radius: 24px; padding: 28px; color: #fff; position: relative; overflow: hidden; }
.data-panel::after { content: ''; position: absolute; top: -50px; right: -50px; width: 140px; height: 140px; border-radius: 50%; border: 2px dashed rgba(255,255,255,0.15); }
.data-panel h4 { font-size: 15px; font-weight: 600; margin-bottom: 18px; color: rgba(255,255,255,0.9); }
.data-list { display: flex; flex-direction: column; gap: 16px; }
.data-item { display: flex; flex-direction: column; gap: 2px; border-bottom: 1px solid rgba(255,255,255,0.12); padding-bottom: 12px; }
.data-item .num { font-size: 26px; font-weight: 800; line-height: 1.2; }
.data-item .label { font-size: 12px; color: rgba(255,255,255,0.7); }
.data-item:last-child { border-bottom: none; padding-bottom: 0; }

/* ===== 流程 ===== */
.process-wrap { background: var(--bg-white); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.process-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
@media (min-width: 1024px) { .process-grid { grid-template-columns: 0.85fr 1.15fr; } }
.process-image { border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-md); height: 100%; min-height: 320px; object-fit: cover; }
.timeline { position: relative; padding-left: 0; }
.timeline-item { position: relative; padding: 0 0 32px 42px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before { content: ''; position: absolute; left: 14px; top: 40px; bottom: 0; width: 2px; background: linear-gradient(180deg, rgba(14,159,138,0.4), rgba(14,159,138,0.05)); }
.timeline-item:last-child::before { display: none; }
.timeline-dot { position: absolute; left: 0; top: 2px; width: 30px; height: 30px; border-radius: 50%; background: var(--gradient-brand); display: flex; align-items: center; justify-content: center; color: #fff; box-shadow: 0 4px 12px rgba(14,159,138,0.3); }
.timeline-dot svg { width: 14px; height: 14px; }
.timeline-item h4 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.timeline-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.timeline-item .phase { font-size: 12px; color: var(--brand); font-weight: 600; margin-bottom: 4px; display: block; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-light); }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border-color); border-radius: 16px; margin-bottom: 14px; overflow: hidden; transition: border-color 0.3s, box-shadow 0.3s; }
.faq-item.open { border-color: rgba(14,159,138,0.4); box-shadow: 0 4px 16px rgba(14,159,138,0.08); }
.faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; text-align: left; padding: 18px 22px; font-size: 15px; font-weight: 600; color: var(--text-primary); background: #fff; transition: background 0.3s; gap: 16px; }
.faq-question:hover { background: var(--bg-card-alt); }
.faq-item.open .faq-question { background: var(--bg-card-alt); }
.faq-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--bg-card-alt); display: flex; align-items: center; justify-content: center; color: var(--brand); transition: all 0.35s; flex-shrink: 0; }
.faq-item.open .faq-icon { background: var(--gradient-brand); color: #fff; transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer-inner { padding: 0 22px 20px; font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

/* ===== CTA ===== */
.cta-block { position: relative; background: var(--gradient-brand); padding: 80px 0; overflow: hidden; }
.cta-block::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; opacity: 0.15; }
.cta-block::after { content: ''; position: absolute; bottom: -80px; left: 10%; width: 200px; height: 200px; border-radius: 50%; border: 2px dashed rgba(255,255,255,0.2); }
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 680px; margin: 0 auto; }
.cta-inner h2 { color: #fff; font-size: 32px; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.01em; }
.cta-inner p { color: rgba(255,255,255,0.8); font-size: 15px; margin-bottom: 28px; line-height: 1.7; }

/* ===== 页脚 ===== */
.footer { background: #0B6E5B; color: rgba(255,255,255,0.8); }
.footer-title { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.footer-link { color: rgba(255,255,255,0.6); font-size: 14px; transition: color 0.2s; }
.footer-link:hover { color: #FFD9C9; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px; margin-top: 16px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.45); }
.footer-bottom a { color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-bottom a:hover { color: #FFD9C9; }

/* ===== 响应式补充 ===== */
@media (max-width: 640px) {
  .section-pad { padding: 52px 0; }
  .section-heading h2 { font-size: 23px; }
  .category-hero-content { padding: 48px 0; }
  .cta-block { padding: 60px 0; }
  .cta-inner h2 { font-size: 26px; }
  .benefit-card { padding: 22px; }
}

/* roulang page: category3 */
:root {
      --brand: #0E9F8A;
      --brand-dark: #0B6E5B;
      --accent: #FF7A45;
      --accent-dark: #F0552A;
      --bg-light: #F6F8FA;
      --bg-white: #FFFFFF;
      --card-alt: #EFF7F5;
      --text-primary: #1A2B33;
      --text-subtle: #5B6D78;
      --text-faint: #94A3AB;
      --border: #E2E8EC;
      --success: #2FBF71;
      --radius-lg: 24px;
      --radius-md: 12px;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
      --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
      --gradient-brand: linear-gradient(135deg, #0E9F8A 0%, #0B6E5B 100%);
      --gradient-cta: linear-gradient(135deg, #FF7A45 0%, #F0552A 100%);
    }

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

    html {
      scroll-behavior: smooth;
    }

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

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

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

    button,
    input {
      font-family: inherit;
    }

    .container-main {
      max-width: 1280px;
      margin: 0 auto;
      padding-left: 16px;
      padding-right: 16px;
    }

    @media (min-width: 640px) {
      .container-main {
        padding-left: 24px;
        padding-right: 24px;
      }
    }

    @media (min-width: 1024px) {
      .container-main {
        padding-left: 32px;
        padding-right: 32px;
      }
    }

    /* ===== 导航 ===== */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
    }

    .nav-link {
      position: relative;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-subtle);
      padding: 8px 2px;
      transition: color 0.25s ease;
    }

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

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

    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      bottom: -2px;
      height: 2px;
      border-radius: 2px;
      background: var(--gradient-brand);
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      background: var(--gradient-brand);
      color: #fff;
      border-radius: var(--radius-md);
      padding: 10px 22px;
      font-weight: 600;
      font-size: 15px;
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 4px 14px rgba(14, 159, 138, 0.25);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(14, 159, 138, 0.35);
      filter: brightness(1.05);
    }

    .btn-primary:active {
      transform: scale(0.96);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      background: #fff;
      color: var(--brand);
      border: 1.5px solid var(--brand);
      border-radius: var(--radius-md);
      padding: 10px 22px;
      font-weight: 600;
      font-size: 15px;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .btn-secondary:hover {
      background: rgba(14, 159, 138, 0.08);
      transform: translateY(-2px);
    }

    .btn-secondary:active {
      transform: scale(0.96);
    }

    .btn-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--gradient-cta);
      color: #fff;
      border-radius: var(--radius-md);
      padding: 14px 36px;
      font-weight: 700;
      font-size: 16px;
      box-shadow: 0 8px 30px rgba(255, 122, 69, 0.35);
      transition: all 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .btn-cta:hover {
      transform: translateY(-3px);
      box-shadow: 0 14px 40px rgba(255, 122, 69, 0.45);
      filter: brightness(1.04);
    }

    .btn-cta:active {
      transform: scale(0.96);
    }

    /* ===== 分类 Hero ===== */
    .category-hero {
      position: relative;
      background: linear-gradient(120deg, rgba(14, 159, 138, 0.12) 0%, rgba(255, 255, 255, 0.92) 45%, rgba(255, 255, 255, 0.96) 100%),
        url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
      padding: 72px 0 64px;
      border-bottom: 1px solid var(--border);
    }

    .category-hero::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 5px;
      background: var(--gradient-brand);
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #fff;
      border: 1px solid rgba(14, 159, 138, 0.25);
      color: var(--brand-dark);
      border-radius: 999px;
      padding: 6px 16px;
      font-size: 13px;
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(14, 159, 138, 0.08);
    }

    .hero-badge i {
      color: var(--success);
    }

    .section-title {
      position: relative;
      font-size: 28px;
      font-weight: 700;
      letter-spacing: -0.01em;
      padding-left: 16px;
      line-height: 1.3;
    }

    .section-title::before {
      content: '';
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 70%;
      border-radius: 4px;
      background: var(--gradient-brand);
    }

    @media (min-width: 768px) {
      .section-title {
        font-size: 32px;
      }
    }

    .section-subtitle {
      color: var(--text-subtle);
      font-size: 15px;
      margin-top: 8px;
      line-height: 1.7;
    }

    /* ===== 活动类型卡 ===== */
    .activity-card {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.35s ease;
      position: relative;
    }

    .activity-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--gradient-brand);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.45s ease;
      z-index: 2;
    }

    .activity-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .activity-card:hover::before {
      transform: scaleX(1);
    }

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

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

    .activity-card:hover .cover-wrap img {
      transform: scale(1.06);
    }

    .activity-card .cover-mask {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 40%, rgba(11, 110, 91, 0.35) 100%);
    }

    .activity-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(255, 255, 255, 0.94);
      color: var(--brand-dark);
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 999px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      backdrop-filter: blur(4px);
    }

    .activity-card .card-body {
      padding: 22px;
    }

    .activity-card .card-body h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .activity-card .card-body p {
      color: var(--text-subtle);
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--brand);
      font-weight: 600;
      font-size: 14px;
      transition: gap 0.25s ease;
    }

    .card-link:hover {
      gap: 10px;
      color: var(--brand-dark);
    }

    /* ===== 流程步骤 ===== */
    .process-steps {
      position: relative;
      display: grid;
      grid-template-columns: 1fr;
      gap: 28px;
    }

    @media (min-width: 768px) {
      .process-steps {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
      }
    }

    .step-card {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 30px 26px;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .step-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }

    .step-num {
      position: absolute;
      top: 16px;
      right: 20px;
      font-size: 64px;
      font-weight: 800;
      color: var(--brand);
      opacity: 0.12;
      line-height: 1;
      letter-spacing: -0.03em;
    }

    .step-icon {
      width: 56px;
      height: 56px;
      border-radius: 16px;
      background: var(--gradient-brand);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 22px;
      margin-bottom: 18px;
      box-shadow: 0 6px 18px rgba(14, 159, 138, 0.25);
    }

    .step-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-card p {
      color: var(--text-subtle);
      font-size: 14px;
      line-height: 1.65;
    }

    @media (min-width: 768px) and (max-width: 1023px) {
      .process-steps .step-card:nth-child(2) {
        margin-top: 28px;
      }
    }

    /* ===== 深色数据面板 ===== */
    .stats-hud {
      background:
        linear-gradient(135deg, rgba(11, 110, 91, 0.96) 0%, rgba(8, 72, 60, 0.98) 100%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
      position: relative;
      overflow: hidden;
      padding: 72px 0;
    }

    .stats-hud::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
      background-size: 44px 44px;
      pointer-events: none;
    }

    .stats-hud .section-title {
      color: #fff;
    }

    .stats-hud .section-title::before {
      background: linear-gradient(135deg, #FF7A45, #F0552A);
    }

    .stats-hud .section-subtitle {
      color: rgba(255, 255, 255, 0.65);
    }

    .stat-item {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      padding: 30px 20px;
      text-align: center;
      backdrop-filter: blur(4px);
      transition: all 0.3s ease;
    }

    .stat-item:hover {
      background: rgba(255, 255, 255, 0.1);
      transform: translateY(-3px);
    }

    .stat-number {
      font-size: 36px;
      font-weight: 800;
      color: #fff;
      line-height: 1.2;
      letter-spacing: -0.02em;
      font-variant-numeric: tabular-nums;
    }

    .stat-number span {
      color: #FF7A45;
      font-size: 20px;
      margin-left: 2px;
    }

    .stat-label {
      color: rgba(255, 255, 255, 0.6);
      font-size: 13px;
      font-weight: 500;
      margin-top: 6px;
      letter-spacing: 0.02em;
    }

    /* ===== 时间线 ===== */
    .timeline-list {
      position: relative;
      max-width: 860px;
      margin: 0 auto;
      padding-left: 0;
    }

    .timeline-list::before {
      content: '';
      position: absolute;
      left: 14px;
      top: 8px;
      bottom: 8px;
      width: 2px;
      background: linear-gradient(180deg, var(--brand) 0%, rgba(14, 159, 138, 0.15) 100%);
      border-radius: 2px;
    }

    @media (min-width: 768px) {
      .timeline-list::before {
        left: 22px;
      }
    }

    .timeline-item {
      position: relative;
      padding-left: 56px;
      padding-bottom: 36px;
    }

    @media (min-width: 768px) {
      .timeline-item {
        padding-left: 76px;
        padding-bottom: 44px;
      }
    }

    .timeline-item:last-child {
      padding-bottom: 0;
    }

    .timeline-dot {
      position: absolute;
      left: 7px;
      top: 6px;
      width: 18px;
      height: 18px;
      border-radius: 6px;
      background: var(--gradient-brand);
      border: 3px solid #fff;
      box-shadow: 0 0 0 2px rgba(14, 159, 138, 0.3), 0 4px 12px rgba(14, 159, 138, 0.2);
      transform: rotate(45deg);
      z-index: 1;
    }

    @media (min-width: 768px) {
      .timeline-dot {
        left: 15px;
        width: 20px;
        height: 20px;
      }
    }

    .timeline-content {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 24px 24px 20px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .timeline-content:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .timeline-content .badge-line {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
    }

    .badge-mini {
      display: inline-block;
      background: var(--card-alt);
      color: var(--brand-dark);
      font-size: 12px;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 999px;
    }

    .badge-hot {
      display: inline-block;
      background: rgba(255, 122, 69, 0.12);
      color: var(--accent-dark);
      font-size: 12px;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 999px;
    }

    .timeline-content h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .timeline-content p {
      color: var(--text-subtle);
      font-size: 14px;
      line-height: 1.7;
    }

    .timeline-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-top: 14px;
      color: var(--text-faint);
      font-size: 13px;
    }

    .timeline-meta i {
      color: var(--brand);
      margin-right: 4px;
    }

    /* ===== 用户反馈 ===== */
    .testimonial-card {
      background: var(--card-alt);
      border: 1px solid rgba(14, 159, 138, 0.14);
      border-radius: var(--radius-lg);
      padding: 30px 28px;
      position: relative;
      transition: all 0.3s ease;
    }

    .testimonial-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .testimonial-card::before {
      content: '\201C';
      position: absolute;
      top: 16px;
      right: 22px;
      font-size: 80px;
      color: rgba(14, 159, 138, 0.18);
      font-family: Georgia, serif;
      line-height: 1;
    }

    .testimonial-card p {
      color: var(--text-subtle);
      font-size: 15px;
      line-height: 1.8;
      margin-bottom: 18px;
      padding-right: 20px;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .testimonial-user .avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--gradient-brand);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

    .testimonial-user .username {
      font-weight: 600;
      font-size: 14px;
    }

    .testimonial-user .user-meta {
      font-size: 12px;
      color: var(--text-faint);
    }

    /* ===== FAQ ===== */
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      margin-bottom: 12px;
      transition: all 0.3s ease;
    }

    .faq-item.active {
      background: var(--card-alt);
      border-color: rgba(14, 159, 138, 0.3);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 20px;
      background: transparent;
      border: none;
      cursor: pointer;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      text-align: left;
      transition: all 0.25s ease;
    }

    .faq-question:hover {
      color: var(--brand);
    }

    .faq-question:focus {
      outline: 2px solid rgba(14, 159, 138, 0.3);
      outline-offset: -2px;
      border-radius: 16px;
    }

    .faq-icon {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: rgba(14, 159, 138, 0.12);
      color: var(--brand);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 600;
      flex-shrink: 0;
      transition: all 0.3s ease;
    }

    .faq-item.active .faq-icon {
      background: var(--gradient-brand);
      color: #fff;
      transform: rotate(180deg);
    }

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

    .faq-answer-inner {
      padding: 0 20px 18px;
      color: var(--text-subtle);
      font-size: 14px;
      line-height: 1.75;
    }

    /* ===== CTA ===== */
    .cta-section {
      background: linear-gradient(135deg, #0E9F8A 0%, #0B6E5B 60%, #074D42 100%);
      position: relative;
      overflow: hidden;
      padding: 72px 0;
      text-align: center;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      right: -60px;
      top: -60px;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      border: 2px solid rgba(255, 255, 255, 0.06);
      box-shadow: 0 0 0 40px rgba(255, 255, 255, 0.02), 0 0 0 80px rgba(255, 255, 255, 0.015);
    }

    .cta-section::after {
      content: '';
      position: absolute;
      left: -40px;
      bottom: -80px;
      width: 200px;
      height: 200px;
      border-radius: 50%;
      border: 2px solid rgba(255, 255, 255, 0.05);
      box-shadow: 0 0 0 30px rgba(255, 255, 255, 0.02);
    }

    .cta-section .container-main {
      position: relative;
      z-index: 1;
    }

    .cta-section h2 {
      color: #fff;
      font-size: 30px;
      font-weight: 800;
      letter-spacing: -0.01em;
      margin-bottom: 10px;
    }

    .cta-section p {
      color: rgba(255, 255, 255, 0.75);
      font-size: 15px;
      margin-bottom: 28px;
    }

    /* ===== 页脚 ===== */
    .footer {
      background: #0B6E5B;
      color: rgba(255, 255, 255, 0.75);
    }

    .footer-title {
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
      position: relative;
      padding-bottom: 8px;
      letter-spacing: 0.02em;
    }

    .footer-title::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 24px;
      height: 2px;
      background: rgba(255, 122, 69, 0.7);
      border-radius: 2px;
    }

    .footer-link {
      color: rgba(255, 255, 255, 0.65);
      font-size: 14px;
      transition: color 0.25s ease, padding-left 0.25s ease;
      line-height: 1.6;
    }

    .footer-link:hover {
      color: #FFD9C9;
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      margin-top: 20px;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.45);
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, 0.45);
      transition: color 0.25s ease;
    }

    .footer-bottom a:hover {
      color: #FFD9C9;
    }

    /* ===== 移动端菜单按钮 ===== */
    .mobile-menu-btn {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--card-alt);
      border: 1px solid var(--border);
      cursor: pointer;
      color: var(--text-primary);
      transition: all 0.25s ease;
    }

    .mobile-menu-btn:hover {
      background: rgba(14, 159, 138, 0.1);
    }

    .mobile-menu {
      border-top: 1px solid var(--border);
      background: #fff;
      padding: 16px 16px 20px;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
    }

    .mobile-menu a {
      display: block;
      padding: 12px 16px;
      border-radius: 12px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-subtle);
      transition: all 0.2s ease;
    }

    .mobile-menu a:hover {
      background: rgba(14, 159, 138, 0.06);
      color: var(--brand);
    }

    .mobile-menu a.active {
      background: rgba(14, 159, 138, 0.1);
      color: var(--brand);
      font-weight: 600;
    }

    /* 通用滤镜 */
    .section-padding {
      padding: 64px 0;
    }

    @media (min-width: 768px) {
      .section-padding {
        padding: 88px 0;
      }
    }