/* roulang page: index */
:root {
            --primary: #1e56a0;
            --primary-dark: #163e75;
            --primary-light: #e8f0fe;
            --text-main: #111827;
            --text-muted: #6b7280;
            --text-light: #9ca3af;
            --border-color: #e5e7eb;
            --border-subtle: #f3f4f6;
            --bg-page: #f8fafc;
            --bg-card: #ffffff;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Top Bar */
        .top-notice-bar {
            background-color: #0f172a;
            color: #94a3b8;
            font-size: 12px;
            padding: 7px 0;
            border-bottom: 1px solid #1e293b;
        }
        .top-notice-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* Header & Nav */
        .site-header {
            background-color: #ffffff;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            background-color: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-weight: 700;
            font-size: 18px;
        }
        .logo-text h1 {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-main);
        }
        .logo-text span {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }
        .search-container {
            position: relative;
            width: 300px;
        }
        .search-input {
            width: 100%;
            padding: 8px 34px 8px 14px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 13px;
            outline: none;
            background: #fdfdfd;
        }
        .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 12px;
        }

        /* Nav row */
        .nav-bar-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .main-nav {
            display: flex;
            gap: 28px;
        }
        .nav-item {
            padding: 14px 0;
            font-size: 14px;
            font-weight: 500;
            color: #4b5563;
            position: relative;
        }
        .nav-item:hover, .nav-item.active {
            color: var(--primary);
        }
        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--primary);
        }
        .nav-contact-link {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Hero / Index Grid Bar */
        .headline-section {
            padding: 24px 0 16px;
        }
        .headline-banner {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
        }
        .headline-tag {
            background-color: #0f172a;
            color: #ffffff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 2px;
        }
        .headline-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
        }
        .headline-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-left: 8px;
        }

        /* Top 4 Columns Grid */
        .desk-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            background: #ffffff;
            border: 1px solid var(--border-color);
            margin-bottom: 30px;
        }
        .desk-card {
            padding: 20px;
            border-right: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            position: relative;
            background: #ffffff;
            transition: background-color 0.2s;
        }
        .desk-card:last-child {
            border-right: none;
        }
        .desk-card:hover {
            background-color: #f8fafc;
        }
        .desk-card-info {
            display: flex;
            gap: 12px;
        }
        .desk-num {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
        }
        .desk-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .desk-sub {
            font-size: 12px;
            color: var(--text-muted);
        }
        .desk-arrow {
            font-size: 14px;
            color: var(--text-light);
        }

        /* Dual Column Main Content Section */
        .content-columns {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-bottom: 40px;
        }
        .column-box {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 24px;
        }
        .column-header {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            margin-bottom: 8px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .col-title-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .col-indicator {
            width: 4px;
            height: 16px;
            background-color: var(--primary);
            border-radius: 2px;
        }
        .col-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
        }
        .col-more {
            font-size: 13px;
            color: var(--text-muted);
        }
        .col-desc {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        /* Featured Card in Column */
        .featured-card {
            position: relative;
            height: 230px;
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 20px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 20px;
            color: #ffffff;
            background-size: cover;
            background-position: center;
        }
        .featured-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.2) 0%, rgba(15, 23, 42, 0.88) 100%);
        }
        .featured-title {
            position: relative;
            z-index: 2;
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 14px;
        }
        .featured-meta {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 11px;
            color: #cbd5e1;
        }
        .meta-controls {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .meta-pill {
            background: rgba(255, 255, 255, 0.2);
            padding: 2px 8px;
            border-radius: 10px;
        }

        /* Post Lists */
        .item-list {
            list-style: none;
        }
        .item-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 13px 0;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 14px;
        }
        .item-row:last-child {
            border-bottom: none;
        }
        .item-row-left {
            max-width: 75%;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .item-row-title {
            color: #374151;
            font-weight: 400;
        }
        .item-row-title:hover {
            color: var(--primary);
        }
        .item-row-source {
            font-size: 11px;
            color: var(--text-light);
            display: block;
            margin-top: 2px;
        }
        .item-row-date {
            font-size: 12px;
            color: var(--text-light);
            text-align: right;
            white-space: nowrap;
        }

        .view-more-row {
            margin-top: 16px;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .view-more-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
        }

        /* Quick Service Strip */
        .service-banner {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 20px 24px;
            margin-bottom: 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .service-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
        }
        .service-sub {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .service-action-btn {
            background-color: var(--primary);
            color: #ffffff;
            font-size: 14px;
            font-weight: 500;
            padding: 10px 22px;
            border-radius: 4px;
            display: inline-block;
        }
        .service-action-btn:hover {
            background-color: var(--primary-dark);
            color: #ffffff;
        }

        /* Footer */
        .site-footer {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            padding: 40px 0 24px;
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-brand h3 {
            font-size: 16px;
            color: var(--text-main);
            margin-bottom: 12px;
            font-weight: 700;
        }
        .footer-brand p {
            line-height: 1.6;
            max-width: 440px;
        }
        .footer-col h4 {
            font-size: 14px;
            color: var(--text-main);
            margin-bottom: 12px;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-light);
        }

        /* Mobile Responsive */
        @media (max-width: 1024px) {
            .desk-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .desk-card:nth-child(2) {
                border-right: none;
            }
            .content-columns {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .search-container {
                width: 100%;
            }
            .main-nav {
                overflow-x: auto;
                white-space: nowrap;
                width: 100%;
                gap: 20px;
            }
            .nav-bar-row {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-contact-link {
                display: none;
            }
            .headline-banner {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .desk-grid {
                grid-template-columns: 1fr;
            }
            .desk-card {
                border-right: none;
                border-bottom: 1px solid var(--border-color);
            }
            .desk-card:last-child {
                border-bottom: none;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .item-row-left {
                max-width: 65%;
            }
        }

/* roulang page: category1 */
:root {
      --primary: #1e56a0;
      --primary-dark: #163e75;
      --primary-light: #e8f0fe;
      --text-main: #111827;
      --text-muted: #6b7280;
      --text-light: #9ca3af;
      --border-color: #e5e7eb;
      --border-subtle: #f3f4f6;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: var(--font-stack);
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
    a:hover { color: var(--primary); }
    .container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
    
    /* Header & Nav */
    .site-header {
      background-color: #ffffff;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .header-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 0;
      border-bottom: 1px solid var(--border-subtle);
    }
    .logo-wrap { display: flex; align-items: center; gap: 12px; }
    .logo-mark {
      width: 36px;
      height: 36px;
      background-color: var(--primary);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-weight: 700;
      font-size: 18px;
    }
    .logo-text h1 {
      font-size: 20px;
      font-weight: 700;
      line-height: 1.2;
      color: var(--text-main);
    }
    .logo-text span {
      font-size: 11px;
      color: var(--text-muted);
      letter-spacing: 0.5px;
    }
    .search-container {
      position: relative;
      width: 300px;
    }
    .search-input {
      width: 100%;
      padding: 8px 34px 8px 14px;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      font-size: 13px;
      outline: none;
      background: #fdfdfd;
    }
    .search-icon {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-light);
      font-size: 12px;
    }
    .nav-bar-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .main-nav { display: flex; gap: 28px; }
    .nav-item {
      padding: 14px 0;
      font-size: 14px;
      font-weight: 500;
      color: #4b5563;
      position: relative;
    }
    .nav-item:hover, .nav-item.active { color: var(--primary); }
    .nav-item.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--primary);
    }
    .nav-contact-link {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* Desk Bar Matrix */
    .headline-section {
      padding: 24px 0 16px;
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .headline-tag {
      background-color: #0f172a;
      color: #ffffff;
      font-size: 13px;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 2px;
    }
    .headline-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
    }
    .desk-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      background: #ffffff;
      border: 1px solid var(--border-color);
      margin-bottom: 30px;
    }
    .desk-card {
      padding: 20px;
      border-right: 1px solid var(--border-color);
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      background: #ffffff;
      transition: background-color 0.2s;
    }
    .desk-card:last-child { border-right: none; }
    .desk-card:hover { background-color: #f8fafc; }
    .desk-card-info { display: flex; gap: 12px; }
    .desk-num { font-size: 13px; font-weight: 700; color: var(--primary); }
    .desk-title { font-size: 15px; font-weight: 600; color: var(--text-main); margin-bottom: 4px; }
    .desk-sub { font-size: 12px; color: var(--text-muted); }
    .desk-arrow { font-size: 14px; color: var(--text-light); }

    /* Category Hero Service Overview */
    .service-banner {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 36px 32px;
      margin-bottom: 30px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
    }
    .service-banner-content h2 {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .service-banner-content p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .hotline-box {
      background: var(--primary-light);
      border-left: 4px solid var(--primary);
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-radius: 0 4px 4px 0;
    }
    .hotline-number {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: 1px;
    }
    .hotline-desc {
      font-size: 12px;
      color: var(--primary-dark);
    }
    .service-badge-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .service-badge {
      background: #f1f5f9;
      color: #334155;
      font-size: 12px;
      padding: 6px 12px;
      border-radius: 4px;
      border: 1px solid var(--border-color);
    }
    .banner-graphic {
      background: url('/assets/images/qlyplg16.jpg') center/cover no-repeat;
      height: 220px;
      border-radius: 4px;
      position: relative;
    }
    .banner-graphic-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 23, 42, 0.2) 0%, rgba(15, 23, 42, 0.75) 100%);
      border-radius: 4px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 20px;
      color: #ffffff;
    }
    .banner-graphic-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .banner-graphic-sub {
      font-size: 12px;
      color: #cbd5e1;
    }

    /* Process Grid */
    .section-title-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }
    .section-title-mark {
      width: 4px;
      height: 18px;
      background: var(--primary);
      border-radius: 2px;
    }
    .section-title-wrap h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
    }
    .flow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 36px;
    }
    .flow-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 24px 20px;
      position: relative;
    }
    .flow-step {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
      display: block;
    }
    .flow-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .flow-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Content & Article Columns */
    .content-columns {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      margin-bottom: 40px;
    }
    .column-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 24px;
    }
    .column-header {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      margin-bottom: 8px;
      padding-bottom: 8px;
      border-bottom: 1px solid var(--border-subtle);
    }
    .col-title-wrap {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .col-indicator {
      width: 4px;
      height: 16px;
      background-color: var(--primary);
      border-radius: 2px;
    }
    .col-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
    }
    .col-more {
      font-size: 13px;
      color: var(--text-muted);
    }
    .col-desc {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }
    .featured-card {
      position: relative;
      height: 220px;
      border-radius: 4px;
      overflow: hidden;
      margin-bottom: 18px;
      display: block;
    }
    .featured-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .featured-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.85) 100%);
      padding: 20px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
    }
    .featured-overlay h4 {
      color: #ffffff;
      font-size: 18px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 8px;
    }
    .featured-overlay p {
      color: #e2e8f0;
      font-size: 13px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .article-list { list-style: none; }
    .article-item {
      padding: 12px 0;
      border-bottom: 1px solid var(--border-subtle);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
    }
    .article-item:last-child { border-bottom: none; }
    .article-link {
      font-size: 14px;
      color: var(--text-main);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      flex: 1;
    }
    .article-link:hover { color: var(--primary); }
    .article-date {
      font-size: 12px;
      color: var(--text-light);
      flex-shrink: 0;
    }

    /* FAQ Accordion Module */
    .faq-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 28px;
      margin-bottom: 40px;
    }
    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 20px;
    }
    .faq-card {
      border: 1px solid var(--border-subtle);
      padding: 18px 20px;
      border-radius: 4px;
      background: #fdfdfd;
    }
    .faq-question {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }
    .faq-q-tag {
      background: var(--primary-light);
      color: var(--primary);
      font-size: 12px;
      padding: 2px 6px;
      border-radius: 3px;
      flex-shrink: 0;
    }
    .faq-answer {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Site Footer */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 40px 0 24px;
      margin-top: 40px;
    }
    .footer-main {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 30px;
      border-bottom: 1px solid var(--border-subtle);
    }
    .footer-brand h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .footer-brand p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .footer-col h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .footer-col ul { list-style: none; }
    .footer-col li { margin-bottom: 10px; }
    .footer-col a {
      font-size: 13px;
      color: var(--text-muted);
    }
    .footer-col a:hover { color: var(--primary); }
    .footer-bottom {
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: var(--text-light);
    }

    /* Responsive Mobile CSS */
    @media (max-width: 1024px) {
      .desk-grid { grid-template-columns: repeat(2, 1fr); }
      .flow-grid { grid-template-columns: repeat(2, 1fr); }
      .service-banner { grid-template-columns: 1fr; }
      .content-columns { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .header-top { flex-direction: column; gap: 14px; align-items: flex-start; }
      .search-container { width: 100%; }
      .main-nav { overflow-x: auto; width: 100%; white-space: nowrap; gap: 18px; }
      .nav-bar-row { flex-direction: column; align-items: flex-start; gap: 10px; }
      .nav-contact-link { display: none; }
      .desk-grid { grid-template-columns: 1fr; }
      .desk-card { border-right: none; border-bottom: 1px solid var(--border-color); }
      .desk-card:last-child { border-bottom: none; }
      .flow-grid { grid-template-columns: 1fr; }
      .faq-grid { grid-template-columns: 1fr; }
      .footer-main { grid-template-columns: 1fr; gap: 24px; }
      .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    }
    @media (max-width: 520px) {
      .hotline-box { flex-direction: column; align-items: flex-start; gap: 8px; }
      .hotline-number { font-size: 22px; }
    }

/* roulang page: article */
:root {
  --primary: #1e56a0;
  --primary-dark: #163e75;
  --primary-light: #e8f0fe;
  --text-main: #111827;
  --text-muted: #6b7280;
  --text-light: #9ca3af;
  --border-color: #e5e7eb;
  --border-subtle: #f3f4f6;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-stack);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--primary);
}
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  width: 36px;
  height: 36px;
  background-color: var(--primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 18px;
}
.logo-text h1 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
}
.logo-text span {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
.search-container {
  position: relative;
  width: 300px;
}
.search-input {
  width: 100%;
  padding: 8px 34px 8px 14px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 13px;
  outline: none;
  background: #fdfdfd;
}
.search-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 12px;
}
.nav-bar-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.main-nav {
  display: flex;
  gap: 28px;
}
.nav-item {
  padding: 14px 0;
  font-size: 14px;
  font-weight: 500;
  color: #4b5563;
  position: relative;
}
.nav-item:hover, .nav-item.active {
  color: var(--primary);
}
.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
}
.nav-contact-link {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.breadcrumb-wrap {
  padding: 16px 0;
  font-size: 13px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  background: #ffffff;
  margin-bottom: 24px;
}
.breadcrumb-wrap span {
  margin: 0 8px;
  color: var(--text-light);
}
.detail-layout {
  display: grid;
  grid-template-columns: 820px 1fr;
  gap: 32px;
  margin-bottom: 50px;
}
.article-main {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 36px 40px;
  border-radius: 2px;
}
.article-header {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 28px;
}
.article-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 2px;
  margin-bottom: 12px;
}
.article-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: var(--text-muted);
}
.article-cover {
  width: 100%;
  height: 360px;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 30px;
  background: #0f172a;
}
.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.article-content {
  font-size: 15px;
  color: #374151;
  line-height: 1.8;
}
.article-content p {
  margin-bottom: 20px;
}
.article-content h2, .article-content h3 {
  color: var(--text-main);
  margin: 28px 0 16px;
  font-weight: 700;
}
.article-content h2 {
  font-size: 20px;
  padding-left: 10px;
  border-left: 4px solid var(--primary);
}
.article-content ul, .article-content ol {
  margin-bottom: 20px;
  padding-left: 20px;
}
.article-content li {
  margin-bottom: 8px;
}
.notice-box {
  background: #fbfcfe;
  border: 1px solid #dbeafe;
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 14px;
  color: #1e3a8a;
  border-radius: 0 4px 4px 0;
}
.not-found-box {
  text-align: center;
  padding: 80px 20px;
}
.not-found-box h2 {
  font-size: 22px;
  color: var(--text-main);
  margin-bottom: 14px;
}
.not-found-box p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 14px;
}
.btn-return {
  display: inline-block;
  background: var(--primary);
  color: #ffffff;
  padding: 10px 24px;
  font-size: 14px;
  border-radius: 4px;
  font-weight: 500;
}
.btn-return:hover {
  background: var(--primary-dark);
  color: #ffffff;
}
.side-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.side-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 22px;
  border-radius: 2px;
}
.side-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.side-card-title span {
  font-size: 12px;
  font-weight: normal;
  color: var(--text-muted);
}
.hotline-card {
  background: linear-gradient(135deg, #1e56a0, #163e75);
  color: #ffffff;
  padding: 24px;
  border-radius: 4px;
}
.hotline-title {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 8px;
}
.hotline-tel {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.hotline-desc {
  font-size: 12px;
  opacity: 0.8;
  line-height: 1.6;
  margin-bottom: 16px;
}
.hotline-btn {
  display: block;
  text-align: center;
  background: #ffffff;
  color: var(--primary);
  padding: 10px 0;
  font-size: 13px;
  font-weight: 600;
  border-radius: 4px;
}
.hotline-btn:hover {
  background: #f3f4f6;
  color: var(--primary-dark);
}
.side-list {
  list-style: none;
}
.side-item {
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-subtle);
  font-size: 13px;
  line-height: 1.5;
}
.side-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.side-item a {
  color: #374151;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.side-item a:hover {
  color: var(--primary);
}
.side-date {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 4px;
}
.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 48px 0 24px;
  margin-top: 40px;
}
.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-subtle);
}
.footer-brand h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 460px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
}
.footer-col li {
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 12px;
  color: var(--text-light);
}
@media (max-width: 1024px) {
  .detail-layout {
    grid-template-columns: 1fr;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .header-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .search-container {
    width: 100%;
  }
  .nav-bar-row {
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .main-nav {
    gap: 18px;
    white-space: nowrap;
  }
  .nav-contact-link {
    display: none;
  }
  .article-main {
    padding: 24px 16px;
  }
  .article-title {
    font-size: 20px;
  }
  .article-cover {
    height: 220px;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
}