/* roulang page: index */
:root {
      --primary: #0F2C59;
      --primary-dark: #08182E;
      --accent: #C59B27;
      --accent-hover: #b0891e;
      --secondary: #395B64;
      --bg-light: #F8F9FA;
      --bg-white: #FFFFFF;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius: 6px;
      --shadow-sm: 0 2px 8px rgba(15, 44, 89, 0.04);
      --shadow-md: 0 6px 20px -2px rgba(15, 44, 89, 0.08);
      --shadow-lg: 0 12px 28px -4px rgba(15, 44, 89, 0.14);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    section {
      padding: 80px 0;
      scroll-margin-top: 80px;
    }

    .section-title-wrap {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 50px auto;
    }

    .section-subtitle {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 1.5px;
      margin-bottom: 10px;
      background: rgba(197, 155, 39, 0.1);
      padding: 4px 14px;
      border-radius: 4px;
    }

    .section-title {
      font-size: 32px;
      color: var(--primary);
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      min-height: 44px;
    }

    .btn-primary {
      background-color: var(--accent);
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(197, 155, 39, 0.3);
    }
    .btn-primary:hover {
      background-color: var(--accent-hover);
      box-shadow: 0 6px 16px rgba(197, 155, 39, 0.4);
    }

    .btn-outline {
      border-color: var(--accent);
      color: var(--accent);
      background: transparent;
    }
    .btn-outline:hover {
      background: var(--accent);
      color: #ffffff;
    }

    .btn-dark {
      background-color: var(--primary);
      color: #ffffff;
    }
    .btn-dark:hover {
      background-color: #0b1f3e;
    }

    /* Top Bar */
    .top-bar {
      background: #EEF2F6;
      border-bottom: 1px solid #E2E8F0;
      font-size: 13px;
      color: var(--secondary);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* Header Nav */
    .site-header {
      position: sticky;
      top: 0;
      background: #FFFFFF;
      z-index: 1000;
      box-shadow: 0 2px 10px rgba(15, 44, 89, 0.06);
    }
    .header-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 76px;
    }
    .logo-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .logo-badge {
      width: 42px;
      height: 42px;
      background: var(--primary);
      border-radius: var(--radius);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-weight: 900;
      font-size: 20px;
      border: 1px solid var(--accent);
    }
    .logo-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: 0.5px;
    }
    .logo-sub {
      font-size: 12px;
      color: var(--text-muted);
      display: block;
      font-weight: 400;
    }
    .nav-list {
      display: flex;
      list-style: none;
      gap: 28px;
      align-items: center;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
    }
    .nav-link:hover, .nav-link.active {
      color: var(--accent);
    }

    /* 1. Hero 板块 */
    .hero-section {
      position: relative;
      background-color: var(--primary-dark);
      background-image: linear-gradient(rgba(8, 24, 46, 0.88), rgba(8, 24, 46, 0.94)), url('/assets/images/8117875af941da83.gif');
      background-size: cover;
      background-position: center;
      color: #FFFFFF;
      padding: 100px 0 90px 0;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--accent);
      background: rgba(197, 155, 39, 0.15);
      border: 1px solid rgba(197, 155, 39, 0.3);
      padding: 6px 16px;
      border-radius: 4px;
      margin-bottom: 24px;
    }
    .hero-title {
      font-size: 42px;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 24px;
      color: #FFFFFF;
    }
    .hero-title span {
      color: var(--accent);
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.85;
      color: #CBD5E1;
      margin-bottom: 36px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
    }
    .hero-img-box {
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }
    .hero-img-box img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    /* 2. 搜索与核验入口 (#portal-search) */
    .search-section {
      background: #FFFFFF;
      padding: 50px 0;
      margin-top: -36px;
      position: relative;
      z-index: 10;
    }
    .search-card-wrap {
      background: #FFFFFF;
      border-radius: 8px;
      box-shadow: var(--shadow-lg);
      padding: 30px;
      border: 1px solid var(--border-color);
    }
    .search-box-row {
      display: grid;
      grid-template-columns: 1fr 180px 140px;
      gap: 16px;
    }
    .search-input {
      width: 100%;
      padding: 12px 18px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      outline: none;
      color: var(--text-main);
    }
    .search-input:focus {
      border-color: var(--accent);
    }
    .search-select {
      padding: 12px 18px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      background: #FFFFFF;
      outline: none;
      color: var(--text-main);
    }
    .search-badges {
      margin-top: 16px;
      display: flex;
      gap: 12px;
      align-items: center;
      flex-wrap: wrap;
      font-size: 13px;
      color: var(--text-muted);
    }
    .search-tag {
      background: var(--bg-light);
      padding: 4px 10px;
      border-radius: 4px;
      cursor: pointer;
    }
    .search-tag:hover {
      background: #E2E8F0;
      color: var(--primary);
    }

    /* 3. 分类矩阵 (#category-matrix) */
    .category-section {
      background-color: var(--bg-light);
    }
    .category-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .category-card {
      background: #FFFFFF;
      border-radius: var(--radius);
      padding: 30px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .category-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }
    .cat-icon-badge {
      width: 48px;
      height: 48px;
      border-radius: var(--radius);
      background: rgba(15, 44, 89, 0.05);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .cat-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .cat-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .cat-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 4. 精选服务清单 (#featured-list) */
    .featured-section {
      background: #FFFFFF;
    }
    .featured-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .featured-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .featured-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }
    .featured-img-wrap {
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .featured-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .featured-card:hover .featured-img-wrap img {
      transform: scale(1.04);
    }
    .featured-body {
      padding: 26px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .featured-tag-line {
      font-size: 12px;
      font-weight: 600;
      color: var(--accent);
      margin-bottom: 10px;
    }
    .featured-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 14px;
    }
    .featured-p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .featured-meta {
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: var(--secondary);
    }

    /* 5. 核心资质与核验 (#qualifications) */
    .qual-section {
      background-color: var(--bg-light);
    }
    .qual-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .qual-img-frame {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }
    .qual-img-frame img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }
    .qual-content h3 {
      font-size: 26px;
      color: var(--primary);
      margin-bottom: 18px;
      font-weight: 700;
    }
    .qual-lead {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.8;
    }
    .qual-check-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .qual-check-item {
      display: flex;
      gap: 12px;
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.6;
    }
    .check-dot {
      color: var(--accent);
      font-weight: 800;
      line-height: 1;
    }

    /* 6. 审查规则与指标排行 (#regulations-rank) */
    .rank-section {
      background: #FFFFFF;
    }
    .rank-table-wrap {
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .rank-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }
    .rank-table th {
      background: var(--primary);
      color: #FFFFFF;
      padding: 16px 20px;
      font-weight: 600;
    }
    .rank-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      color: var(--text-main);
    }
    .rank-table tr:last-child td {
      border-bottom: none;
    }
    .rank-table tr:nth-child(even) td {
      background: #FAFCFE;
    }
    .rank-badge-high {
      background: #FEF3C7;
      color: #92400E;
      font-size: 12px;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    /* 7. 深色合规概念与维权体系 (#defense-system) */
    .defense-section {
      background-color: var(--primary-dark);
      color: #FFFFFF;
      position: relative;
    }
    .defense-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      margin-top: 40px;
    }
    .defense-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 32px 26px;
      border-radius: var(--radius);
      transition: var(--transition);
    }
    .defense-card:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: var(--accent);
      transform: translateY(-4px);
    }
    .defense-title {
      font-size: 20px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 14px;
    }
    .defense-text {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.75;
    }

    /* 8. 成果数据指标条 (#metrics) */
    .metrics-section {
      background: #FFFFFF;
      border-bottom: 1px solid var(--border-color);
      padding: 60px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-item {
      padding: 10px;
    }
    .metric-number {
      font-size: 46px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-unit {
      font-size: 20px;
      color: var(--accent);
      margin-left: 4px;
    }
    .metric-label {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .metric-sub {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 9. 知识产权维权实录与案例 (#case-records) */
    .records-section {
      background: var(--bg-light);
    }
    .records-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }
    .record-card {
      background: #FFFFFF;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }
    .record-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
      border-bottom: 1px solid #F1F5F9;
      padding-bottom: 12px;
    }
    .record-field {
      font-size: 13px;
      font-weight: 700;
      color: var(--accent);
    }
    .record-phase {
      font-size: 12px;
      color: var(--secondary);
      background: #EEF2F6;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .record-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 14px;
    }
    .record-detail-box {
      background: #F8FAFC;
      padding: 14px 18px;
      border-radius: 4px;
      margin-bottom: 14px;
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .record-result {
      font-size: 14px;
      color: var(--text-main);
      font-weight: 600;
    }

    /* 10. 资源下载与规程索引 (#resources) */
    .resources-section {
      background: #FFFFFF;
    }
    .resources-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .resource-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .resource-card:hover {
      border-color: var(--accent);
      box-shadow: var(--shadow-sm);
    }
    .resource-type {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .resource-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .resource-info {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .resource-btn {
      align-self: flex-start;
      font-size: 13px;
      color: var(--accent);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 11. 行业动态与法治要闻 (#news) */
    .news-section {
      background: var(--bg-light);
    }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .news-card {
      background: #FFFFFF;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
    }
    .news-img {
      height: 160px;
      object-fit: cover;
      width: 100%;
    }
    .news-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .news-snippet {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .news-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
    }

    /* 12. 极简对接与线索转化 (#consult) */
    .consult-section {
      background-color: var(--primary);
      color: #FFFFFF;
      padding: 80px 0;
    }
    .consult-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 60px;
      align-items: center;
    }
    .consult-info h2 {
      font-size: 32px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
      line-height: 1.3;
    }
    .consult-info p {
      font-size: 15px;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .consult-perks {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .consult-perk-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: #E2E8F0;
    }
    .consult-form-card {
      background: #FFFFFF;
      border-radius: var(--radius);
      padding: 36px;
      color: var(--text-main);
      box-shadow: var(--shadow-lg);
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .form-input, .form-select {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      outline: none;
      font-size: 14px;
    }
    .form-input:focus, .form-select:focus {
      border-color: var(--accent);
    }
    .privacy-notice {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 14px;
      line-height: 1.5;
    }

    /* Footer */
    .site-footer {
      background: #08182E;
      color: #94A3B8;
      padding: 70px 0 30px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-logo {
      font-size: 20px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-about {
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .footer-title {
      font-size: 16px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
      border-left: 3px solid var(--accent);
      padding-left: 10px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-contact-item {
      margin-bottom: 12px;
      line-height: 1.6;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 25px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }

    /* 移动端菜单按钮与适配 */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }
    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--primary);
      margin: 5px 0;
    }

    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .category-grid { grid-template-columns: repeat(2, 1fr); }
      .featured-grid { grid-template-columns: 1fr 1fr; }
      .rank-table { font-size: 13px; }
      .news-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .consult-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .top-bar { display: none; }
      .nav-list {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-top: 1px solid #E2E8F0;
      }
      .nav-list.active { display: flex; }
      .mobile-menu-btn { display: block; }
      .search-box-row { grid-template-columns: 1fr; }
      .qual-grid { grid-template-columns: 1fr; }
      .defense-grid { grid-template-columns: 1fr; }
      .metrics-grid { grid-template-columns: repeat(2, 1fr); }
      .records-grid { grid-template-columns: 1fr; }
      .resources-grid { grid-template-columns: 1fr; }
      .featured-grid { grid-template-columns: 1fr; }
      .category-grid { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .hero-title { font-size: 30px; }
      section { padding: 50px 0; }
    }