/* roulang page: index */
:root {
    --color-primary: #1D4ED8;
    --color-primary-deep: #1E40AF;
    --color-secondary: #0EA5E9;
    --bg-color: #F8FAFC;
    --surface: #FFFFFF;
    --text-main: #0F172A;
    --text-sub: #475569;
    --text-muted: #94A3B8;
    --border: #E2E8F0;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
  }
  .container-x {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  @media (min-width: 640px) {
    .container-x { padding-left: 1.5rem; padding-right: 1.5rem; }
  }
  @media (min-width: 1024px) {
    .container-x { padding-left: 2rem; padding-right: 2rem; }
  }
  .no-scrollbar::-webkit-scrollbar { display: none; }
  .no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }
  details[open] summary ~ * {
    animation: fadeIn 0.3s ease;
  }
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .card-shadow {
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
  }
  .card-shadow-hover:hover {
    box-shadow: 0 12px 32px rgba(30, 58, 138, 0.12);
    transform: translateY(-4px);
    border-color: #BFDBFE;
  }
  .hero-bg {
    background-image: linear-gradient(to bottom, rgba(191, 219, 254, 0.28), rgba(248, 250, 252, 0.9)), url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
  }
  .section-pattern {
    background-image: radial-gradient(circle at 1px 1px, rgba(148, 163, 184, 0.15) 1px, transparent 0);
    background-size: 28px 28px;
  }
  .metric-card {
    border-top: 2px solid transparent;
    transition: all 0.2s ease-out;
  }
  .metric-card:hover {
    border-top-color: var(--color-primary);
    box-shadow: 0 12px 32px rgba(30, 58, 138, 0.10);
  }
  .nav-tab {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: #475569;
    white-space: nowrap;
    transition: all 0.2s ease-out;
  }
  .nav-tab:hover { color: var(--color-primary); background: #EFF6FF; }
  .nav-tab.active {
    background: var(--color-primary);
    color: #fff;
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease-out;
  }
  .btn-primary:hover { background: var(--color-primary-deep); box-shadow: 0 8px 24px rgba(29, 78, 216, 0.25); }
  .btn-primary:active { transform: scale(0.97); }
  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid var(--border);
    color: var(--text-main);
    font-weight: 500;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease-out;
  }
  .btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); background: #EFF6FF; }
  .btn-outline:active { transform: scale(0.97); }
  .form-input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    background: #fff;
    transition: all 0.2s ease-out;
  }
  .form-input:focus {
    outline: none;
    border-color: #3B82F6;
    box-shadow: 0 0 0 3px rgba(191, 219, 254, 0.6);
  }
  .badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
  }
  .badge-blue { background: #DBEAFE; color: #1E40AF; }
  .badge-green { background: #D1FAE5; color: #047857; }
  .badge-amber { background: #FEF3C7; color: #B45309; }
  .line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .footer-link {
    color: #64748B;
    font-size: 0.875rem;
    transition: color 0.2s;
  }
  .footer-link:hover { color: var(--color-primary); }
  .comparison-row-right {
    border-left: 4px solid var(--color-primary);
    background: #EFF6FF;
  }
  @media (max-width: 768px) {
    .comparison-row-right {
      border-left: none;
      border-top: 3px solid var(--color-primary);
    }
  }
  .faq-summary {
    cursor: pointer;
    user-select: none;
  }
  .faq-summary::-webkit-details-marker { display: none; }
  .faq-summary::marker { content: ''; }
  .faq-icon {
    transition: transform 0.3s ease;
  }
  details[open] .faq-icon {
    transform: rotate(180deg);
  }
  .service-card-main {
    background: linear-gradient(160deg, #1D4ED8 0%, #1E40AF 100%);
    color: #fff;
    border: none;
  }
  .service-card-main .btn-outline {
    border-color: rgba(255,255,255,0.5);
    color: #fff;
  }
  .service-card-main .btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
  }
  @media (max-width: 640px) {
    .hero-title {
      font-size: 2rem;
      line-height: 1.2;
    }
  }

/* roulang page: article */
:root {
            --color-primary: #1D4ED8;
            --color-primary-deep: #1E40AF;
            --color-secondary: #0EA5E9;
            --bg-color: #F8FAFC;
            --surface: #FFFFFF;
            --text-main: #0F172A;
            --text-sub: #475569;
            --text-muted: #94A3B8;
            --border: #E2E8F0;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 12px 32px rgba(30, 58, 138, 0.12);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container-x {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        @media (min-width: 640px) {
            .container-x {
                padding: 0 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-x {
                padding: 0 2rem;
            }
        }
        .no-scrollbar {
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 0.375rem 1rem;
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: #475569;
            white-space: nowrap;
            transition: all 0.2s ease-out;
        }
        .nav-tab:hover {
            color: var(--color-primary);
            background: rgba(29, 78, 216, 0.06);
        }
        .nav-tab.active {
            background: var(--color-primary);
            color: #fff;
        }
        .footer-link {
            color: #475569;
            font-size: 0.875rem;
            transition: color 0.2s ease-out;
        }
        .footer-link:hover {
            color: var(--color-primary);
        }
        .tag-badge {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.875rem;
            border-radius: 9999px;
            background: #F1F5F9;
            color: #475569;
            font-size: 0.8125rem;
            font-weight: 500;
            transition: all 0.2s ease-out;
        }
        .tag-badge:hover {
            background: #DBEAFE;
            color: var(--color-primary);
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            box-shadow: 0 0 0 2px rgba(191, 219, 254, 1);
            border-color: var(--color-primary);
        }
        details {
            transition: all 0.3s ease-out;
        }
        details summary {
            cursor: pointer;
            list-style: none;
            transition: background-color 0.3s ease-out;
        }
        details summary::-webkit-details-marker {
            display: none;
        }
        details summary .arrow-icon {
            transition: transform 0.3s ease-out;
        }
        details[open] summary .arrow-icon {
            transform: rotate(180deg);
        }
        .article-body {
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text-main);
        }
        .article-body p {
            margin-bottom: 1.5rem;
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 1px solid var(--border);
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }
        .article-body h4 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-top: 1.75rem;
            margin-bottom: 0.5rem;
        }
        .article-body ul {
            list-style: disc;
            padding-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .article-body ol {
            list-style: decimal;
            padding-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .article-body li {
            margin-bottom: 0.4rem;
        }
        .article-body blockquote {
            border-left: 4px solid var(--color-primary);
            background: #F8FAFC;
            padding: 1rem 1.5rem;
            margin-bottom: 1.5rem;
            border-radius: 0 0.75rem 0.75rem 0;
            color: var(--text-sub);
            font-style: normal;
        }
        .article-body blockquote p {
            margin-bottom: 0;
        }
        .article-body img {
            border-radius: 12px;
            max-width: 100%;
            height: auto;
            margin: 1.5rem 0;
            box-shadow: var(--shadow-card);
        }
        .article-body img + em {
            display: block;
            text-align: center;
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-top: -0.75rem;
            margin-bottom: 1.5rem;
            font-style: normal;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
            border: 1px solid var(--border);
            border-radius: 8px;
            overflow: hidden;
        }
        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 0.75rem 1rem;
            text-align: left;
            line-height: 1.6;
        }
        .article-body table thead {
            background: #F8FAFC;
        }
        .article-body table th {
            font-weight: 600;
            color: var(--text-main);
            background: #F1F5F9;
        }
        .article-body a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s;
        }
        .article-body a:hover {
            color: var(--color-primary-deep);
        }
        .article-body code {
            background: #F1F5F9;
            border-radius: 4px;
            padding: 0.15rem 0.4rem;
            font-size: 0.875em;
            color: #1E40AF;
        }
        .article-body pre {
            background: #0F172A;
            color: #E2E8F0;
            border-radius: 12px;
            padding: 1.25rem 1.5rem;
            overflow-x: auto;
            margin-bottom: 1.5rem;
            font-size: 0.875rem;
            line-height: 1.7;
        }
        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
            font-size: inherit;
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 2rem 0;
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        @media (max-width: 640px) {
            .container-x {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .article-body {
                font-size: 0.9375rem;
                line-height: 1.85;
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.125rem;
            }
            .article-body table {
                font-size: 0.8125rem;
            }
            .article-body table th,
            .article-body table td {
                padding: 0.5rem 0.6rem;
            }
        }

/* roulang page: category1 */
:root {
      --color-primary: #1D4ED8;
      --color-primary-deep: #1E40AF;
      --color-secondary: #0EA5E9;
      --bg-color: #F8FAFC;
      --surface: #FFFFFF;
      --text-main: #0F172A;
      --text-sub: #475569;
      --text-muted: #94A3B8;
      --border-color: #E2E8F0;
      --color-success: #10B981;
      --color-warning: #F59E0B;
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--bg-color);
      color: var(--text-main);
      line-height: 1.6;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: color .2s; }
    button { cursor: pointer; }

    .container-x {
      max-width: 80rem;
      margin: 0 auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    @media (max-width: 640px) {
      .container-x { padding-left: 1rem; padding-right: 1rem; }
    }

    /* 隐藏滚动条 */
    .no-scrollbar::-webkit-scrollbar { display: none; }
    .no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

    /* 导航 Tab */
    .nav-tab {
      display: inline-flex;
      align-items: center;
      gap: .25rem;
      font-size: .875rem;
      font-weight: 500;
      color: var(--text-sub);
      padding: .375rem 1rem;
      border-radius: 9999px;
      transition: all .2s;
      white-space: nowrap;
    }
    .nav-tab:hover { color: var(--color-primary); background: #EFF6FF; }
    .nav-tab.active { background: var(--color-primary); color: #fff; font-weight: 600; }
    .nav-tab:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

    /* 按钮 */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .5rem;
      background: var(--color-primary);
      color: #fff;
      font-size: .9375rem;
      font-weight: 600;
      padding: .75rem 1.5rem;
      border-radius: .5rem;
      transition: all .2s;
    }
    .btn-primary:hover { background: var(--color-primary-deep); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(29,78,216,.2); }
    .btn-primary:active { transform: translateY(0); }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .5rem;
      background: transparent;
      color: var(--color-primary);
      border: 1px solid #BFDBFE;
      font-size: .9375rem;
      font-weight: 600;
      padding: .75rem 1.5rem;
      border-radius: .5rem;
      transition: all .2s;
    }
    .btn-outline:hover { background: #EFF6FF; border-color: var(--color-primary); transform: translateY(-1px); }
    .btn-outline:active { transform: translateY(0); }

    .btn-sm-primary {
      display: inline-flex;
      align-items: center;
      gap: .375rem;
      background: var(--color-primary);
      color: #fff;
      font-size: .8125rem;
      font-weight: 500;
      padding: .5rem 1.125rem;
      border-radius: .5rem;
      transition: all .2s;
    }
    .btn-sm-primary:hover { background: var(--color-primary-deep); }

    .btn-sm-outline {
      display: inline-flex;
      align-items: center;
      gap: .375rem;
      background: transparent;
      color: var(--text-sub);
      border: 1px solid var(--border-color);
      font-size: .8125rem;
      font-weight: 500;
      padding: .5rem 1.125rem;
      border-radius: .5rem;
      transition: all .2s;
    }
    .btn-sm-outline:hover { color: var(--color-primary); border-color: var(--color-primary); background: #F8FAFC; }

    /* 卡片 */
    .card-lift {
      transition: all .25s ease-out;
    }
    .card-lift:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 32px rgba(30,58,138,.12);
      border-color: #BFDBFE;
    }

    /* 输入框 */
    .input-field {
      width: 100%;
      border: 1px solid var(--border-color);
      border-radius: .5rem;
      padding: .625rem .875rem;
      font-size: .875rem;
      background: #fff;
      transition: all .2s;
    }
    .input-field:focus {
      outline: none;
      border-color: var(--color-primary);
      box-shadow: 0 0 0 2px #BFDBFE;
    }

    /* FAQ 手风琴 */
    details.faq-item {
      border: 1px solid var(--border-color);
      border-radius: .75rem;
      background: var(--surface);
      padding: 0 1.25rem;
      transition: all .25s;
    }
    details.faq-item[open] { background: #F8FAFC; border-color: #BFDBFE; }
    details.faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 1.25rem 0;
      cursor: pointer;
      font-weight: 600;
      font-size: .9375rem;
      color: var(--text-main);
    }
    details.faq-item summary::-webkit-details-marker { display: none; }
    details.faq-item summary:hover { color: var(--color-primary); }
    details.faq-item .faq-icon {
      transition: transform .3s;
      color: var(--color-primary);
      font-size: .875rem;
    }
    details.faq-item[open] .faq-icon { transform: rotate(45deg); }
    details.faq-item .faq-number {
      font-size: .8125rem;
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      color: var(--color-primary);
      font-weight: 600;
    }
    details.faq-item .faq-answer {
      padding: 0 0 1.25rem 2.5rem;
      color: var(--text-sub);
      font-size: .875rem;
      line-height: 1.7;
    }
    details.faq-item:focus-within { outline: 2px solid #BFDBFE; }

    /* 页脚链接 */
    .footer-link { font-size: .875rem; color: var(--text-sub); transition: color .2s; }
    .footer-link:hover { color: var(--color-primary); }

    /* 分类页 Hero */
    .page-hero {
      position: relative;
      background: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 60%);
      overflow: hidden;
    }
    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      opacity: .10;
    }
    .page-hero .hero-content { position: relative; z-index: 1; }

    /* 流程区背景 */
    .flow-band {
      position: relative;
      background-color: #EFF6FF;
      overflow: hidden;
    }
    .flow-band::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      opacity: .08;
    }
    .flow-band .flow-content { position: relative; z-index: 1; }

    /* CTA 背景 */
    .cta-band {
      position: relative;
      background-image: url('/assets/images/backpic/back-3.png');
      background-size: cover;
      background-position: center;
    }
    .cta-band::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(30, 58, 138, .82);
    }
    .cta-band .cta-content { position: relative; z-index: 1; }

    /* 线条装饰 */
    .section-bar {
      display: inline-block;
      width: 4px;
      height: 28px;
      background: var(--color-primary);
      border-radius: 999px;
      margin-right: .75rem;
      vertical-align: middle;
    }

/* roulang page: category2 */
:root {
            --color-primary: #1D4ED8;
            --color-primary-deep: #1E40AF;
            --color-secondary: #0EA5E9;
            --bg-color: #F8FAFC;
            --surface: #FFFFFF;
            --text-main: #0F172A;
            --text-sub: #475569;
            --text-muted: #94A3B8;
            --border: #E2E8F0;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
            line-height: 1.6;
            font-size: 1rem;
        }
        .container-x {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-block;
            padding: 0.375rem 1rem;
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: #475569;
            white-space: nowrap;
            transition: all 0.2s ease-out;
        }
        .nav-tab:hover {
            color: var(--color-primary);
            background: #EFF6FF;
        }
        .nav-tab.active {
            background: var(--color-primary);
            color: white;
        }
        .footer-link {
            font-size: 0.875rem;
            color: #64748B;
            transition: color 0.2s ease-out;
        }
        .footer-link:hover {
            color: var(--color-primary);
        }
        .btn-primary {
            background: var(--color-primary);
            color: white;
            border-radius: 0.5rem;
            font-weight: 600;
            padding: 0.625rem 1.25rem;
            font-size: 0.9375rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.375rem;
            transition: all 0.2s ease-out;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-primary-deep);
        }
        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.4);
        }
        .btn-outline {
            border: 1px solid #CBD5E1;
            color: #334155;
            border-radius: 0.5rem;
            font-weight: 500;
            padding: 0.625rem 1.25rem;
            font-size: 0.9375rem;
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            transition: all 0.2s ease-out;
            background: white;
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .btn-outline:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.2);
        }
        .step-card {
            transition: all 0.2s ease-out;
            border: 1px solid #E2E8F0;
            border-radius: 0.75rem;
        }
        .step-card:hover {
            border-color: #BFDBFE;
            box-shadow: 0 12px 32px rgba(30, 58, 138, 0.08);
            transform: translateY(-2px);
        }
        .faq-item {
            border: 1px solid #E2E8F0;
            border-radius: 0.75rem;
            background: white;
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: background-color 0.2s ease-out;
        }
        .faq-item summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: flex-start;
            padding: 1rem 1.25rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-num {
            font-size: 0.75rem;
            color: var(--color-primary);
            font-family: ui-monospace, monospace;
            font-weight: 600;
            width: 2rem;
            flex-shrink: 0;
            margin-top: 0.25rem;
        }
        .faq-item summary .faq-title {
            flex: 1;
            font-weight: 500;
            color: #1E293B;
            font-size: 0.9375rem;
        }
        .faq-item summary .fa-chevron-down {
            color: #94A3B8;
            transition: transform 0.3s ease-out;
            margin-top: 0.375rem;
        }
        .faq-item[open] {
            background-color: #F8FAFC;
        }
        .faq-item[open] summary .fa-chevron-down {
            transform: rotate(180deg);
        }
        .faq-item .faq-body {
            padding: 0 1.25rem 1.25rem 3.25rem;
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.7;
        }
        .form-input {
            width: 100%;
            border-radius: 0.5rem;
            border: 1px solid #CBD5E1;
            padding: 0.625rem 0.875rem;
            font-size: 0.875rem;
            background: white;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .form-input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 2px rgba(29, 78, 216, 0.2);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 0.125rem 0.625rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 500;
        }
        .stat-card {
            transition: all 0.2s ease-out;
            position: relative;
            border-radius: 0.75rem;
            border: 1px solid var(--border);
            background: white;
            padding: 1.25rem;
        }
        .stat-card:hover {
            box-shadow: 0 12px 32px rgba(30, 58, 138, 0.08);
            border-color: #BFDBFE;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px 2px 0 0;
            opacity: 0;
            transition: opacity 0.2s ease-out;
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .cover-card {
            transition: all 0.2s ease-out;
            border-radius: 0.75rem;
            background: white;
            border: 1px solid var(--border);
            overflow: hidden;
        }
        .cover-card:hover {
            box-shadow: 0 12px 32px rgba(30, 58, 138, 0.1);
            transform: translateY(-4px);
            border-color: #BFDBFE;
        }
        .page-hero {
            background-image: linear-gradient(rgba(255,255,255,0.92), rgba(255,255,255,0.94)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
        }
        .section-band {
            background: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 100%);
        }
        .mt-2 { margin-top: 0.5rem; }
        .mt-4 { margin-top: 1rem; }
        .mt-6 { margin-top: 1.5rem; }
        .mt-8 { margin-top: 2rem; }
        .space-y-4 > * + * { margin-top: 1rem; }
        .space-y-6 > * + * { margin-top: 1.5rem; }
        .grid-cols-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
        .grid-cols-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
        @media (max-width: 768px) {
            .grid-cols-3 { grid-template-columns: 1fr; }
            .grid-cols-2 { grid-template-columns: 1fr; }
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }