/* roulang page: index */
:root {
      --primary-color: #1A436E;
      --primary-hover: #123153;
      --accent-color: #0EA5E9;
      --gold-accent: #D97706;
      --dark-surface: #0B192C;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --border-color: #E2E8F0;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-subtle: 0 4px 20px -2px rgba(26, 67, 110, 0.05);
      --shadow-hover: 0 12px 30px -4px rgba(26, 67, 110, 0.12);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    *, *::before, *::after { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.65;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    img { max-width: 100%; height: auto; display: block; }
    .site-container { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px; }

    /* 顶部双层导航 */
    .top-brand-bar {
      background: var(--bg-white);
      border-bottom: 1px solid var(--border-color);
      padding: 12px 0;
    }
    .brand-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .logo-badge-icon {
      width: 40px;
      height: 40px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--primary-color), #23588f);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 20px;
    }
    .brand-title-text {
      font-size: 22px;
      font-weight: 700;
      color: var(--primary-color);
      letter-spacing: -0.5px;
      line-height: 1.2;
    }
    .brand-tagline {
      font-size: 12px;
      color: var(--text-muted);
    }
    .brand-quick-contact {
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .quick-info-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .quick-info-item i { color: var(--accent-color); font-size: 14px; }
    .nav-order-btn {
      background: var(--primary-color);
      color: #fff;
      padding: 8px 18px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .nav-order-btn:hover { background: var(--primary-hover); color: #fff; }

    /* 下层：图标网格横向导航条 */
    .grid-navbar {
      background: #FFFFFF;
      border-bottom: 2px solid #EDF2F7;
      box-shadow: 0 4px 12px rgba(0,0,0,0.03);
      position: sticky;
      top: 0;
      z-index: 999;
    }
    .icon-nav-list {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      margin: 0;
      padding: 0;
      list-style: none;
      gap: 8px;
      overflow-x: auto;
      white-space: nowrap;
    }
    .icon-nav-item a {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 14px 18px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      border-bottom: 3px solid transparent;
      border-radius: 4px 4px 0 0;
    }
    .icon-nav-item a:hover {
      color: var(--primary-color);
      background: #F1F5F9;
    }
    .icon-nav-item.active a {
      color: var(--primary-color);
      border-bottom-color: var(--primary-color);
      background: rgba(26, 67, 110, 0.04);
    }
    .icon-nav-item i {
      font-size: 16px;
      color: var(--text-muted);
    }
    .icon-nav-item.active i, .icon-nav-item a:hover i {
      color: var(--primary-color);
    }

    /* 板块通用间距与标题 */
    .page-section {
      padding: 85px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-header.text-center { text-align: center; }
    .section-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary-color);
      background: rgba(26, 67, 110, 0.08);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 28px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-lead {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto;
      line-height: 1.7;
    }
    .section-header:not(.text-center) .section-lead {
      margin-left: 0;
    }

    /* 1. 首屏 Hero 视听规格矩阵 */
    .hero-matrix-section {
      background: #FFFFFF;
      padding: 60px 0 70px;
      position: relative;
    }
    .hero-status-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      background: var(--bg-light);
      padding: 8px 16px;
      border-radius: var(--radius-md);
      margin-bottom: 30px;
      font-size: 13px;
      border: 1px solid var(--border-color);
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10B981;
      display: inline-block;
    }
    .hero-h1-title {
      font-size: 38px;
      font-weight: 800;
      line-height: 1.25;
      color: var(--primary-color);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.8;
      color: #475569;
      margin-bottom: 32px;
      text-align: justify;
    }
    .hero-cta-group {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 36px;
    }
    .btn-main-action {
      background: var(--primary-color);
      color: #fff;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 14px rgba(26, 67, 110, 0.25);
    }
    .btn-main-action:hover { background: var(--primary-hover); color: #fff; transform: translateY(-2px); }
    .btn-sub-action {
      border: 1px solid var(--border-color);
      background: #FFFFFF;
      color: var(--primary-color);
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-sub-action:hover { background: var(--bg-light); border-color: var(--primary-color); }
    .hero-spec-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .spec-dashboard-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-subtle);
      transition: var(--transition);
      border-top: 3px solid var(--primary-color);
    }
    .spec-dashboard-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .spec-val-badge {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary-color);
      display: block;
      margin-bottom: 4px;
    }
    .spec-val-label {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .spec-val-desc {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 2. 传统观影痛点曝光 */
    .pain-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .pain-card {
      background: #FFFFFF;
      border: 1px solid #FEE2E2;
      border-radius: var(--radius-md);
      padding: 28px 24px;
      position: relative;
      box-shadow: var(--shadow-subtle);
    }
    .pain-tag {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      color: #DC2626;
      background: #FEF2F2;
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 14px;
    }
    .pain-title {
      font-size: 18px;
      font-weight: 700;
      color: #991B1B;
      margin-bottom: 12px;
    }
    .pain-text {
      font-size: 14px;
      color: #64748B;
      line-height: 1.65;
    }

    /* 3. 精品影院全景解决方案 */
    .solutions-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .solution-item-box {
      display: flex;
      gap: 20px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-subtle);
      transition: var(--transition);
    }
    .solution-item-box:hover {
      border-color: var(--accent-color);
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }
    .solution-icon-wrap {
      width: 50px;
      height: 50px;
      min-width: 50px;
      border-radius: var(--radius-sm);
      background: rgba(14, 165, 233, 0.1);
      color: var(--accent-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
    }
    .solution-content h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 8px;
    }
    .solution-content p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 0;
    }

    /* 4. 硬件工艺流程步骤 */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      box-shadow: var(--shadow-subtle);
    }
    .step-num-badge {
      font-size: 12px;
      font-weight: 800;
      color: var(--primary-color);
      background: #EDF2F7;
      padding: 3px 10px;
      border-radius: 20px;
      display: inline-block;
      margin-bottom: 14px;
    }
    .step-card h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .step-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin: 0;
    }

    /* 5. 成果数据指标看板 */
    .kpi-counter-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .kpi-stat-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow-subtle);
      border-bottom: 4px solid var(--primary-color);
    }
    .kpi-stat-num {
      font-size: 34px;
      font-weight: 800;
      color: var(--primary-color);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .kpi-stat-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .kpi-stat-desc {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.4;
      margin: 0;
    }

    /* 6. 核心厅房项目分类入口 */
    .hall-category-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .hall-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-subtle);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .hall-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--accent-color);
    }
    .hall-card-img-wrap {
      height: 190px;
      overflow: hidden;
      position: relative;
      background: #1e293b;
    }
    .hall-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .hall-card:hover .hall-card-img-wrap img {
      transform: scale(1.05);
    }
    .hall-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(26, 67, 110, 0.9);
      color: #fff;
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .hall-card-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .hall-card-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 8px;
    }
    .hall-card-specs {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 12px;
    }
    .spec-tag {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      font-size: 11px;
      color: var(--text-muted);
      padding: 2px 6px;
      border-radius: 3px;
    }
    .hall-card-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .hall-entry-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      color: var(--primary-color);
      font-size: 13px;
      font-weight: 600;
      padding: 10px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      width: 100%;
    }
    .hall-entry-btn:hover {
      background: var(--primary-color);
      color: #FFFFFF;
      border-color: var(--primary-color);
    }

    /* 7. 口碑评价证言 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-subtle);
    }
    .testi-stars {
      color: var(--gold-accent);
      font-size: 13px;
      margin-bottom: 12px;
    }
    .testi-text {
      font-size: 13px;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .testi-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }
    .testi-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary-color);
      font-size: 14px;
    }
    .testi-author-name {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
    }
    .testi-author-role {
      font-size: 11px;
      color: var(--text-muted);
    }

    /* 8. 专属场景矩阵 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .scene-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-subtle);
      transition: var(--transition);
    }
    .scene-card:hover {
      border-color: var(--primary-color);
      transform: translateY(-3px);
    }
    .scene-icon {
      font-size: 26px;
      color: var(--primary-color);
      margin-bottom: 14px;
    }
    .scene-card h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .scene-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .scene-feature-list {
      list-style: none;
      padding: 0;
      margin: 0;
      border-top: 1px dashed var(--border-color);
      padding-top: 12px;
    }
    .scene-feature-list li {
      font-size: 12px;
      color: #475569;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .scene-feature-list li i { color: #10B981; font-size: 11px; }

    /* 9. 视听前沿与排片资讯 */
    .news-wrapper {
      display: grid;
      grid-template-columns: 5fr 7fr;
      gap: 28px;
    }
    .news-featured-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-subtle);
      display: flex;
      flex-direction: column;
    }
    .news-featured-img {
      height: 230px;
      overflow: hidden;
      background: #1E293B;
    }
    .news-featured-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-featured-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: inline-block;
    }
    .news-featured-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-featured-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .news-more-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-color);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .news-side-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .news-list-item {
      display: flex;
      gap: 16px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: var(--shadow-subtle);
      align-items: center;
    }
    .news-item-thumb {
      width: 110px;
      height: 75px;
      min-width: 110px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: #1E293B;
    }
    .news-item-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-item-info h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
      line-height: 1.35;
    }
    .news-item-info p {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
      margin: 0;
    }

    /* 10. 全维度观影体验量化指标对比表 */
    .metric-table-wrap {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-subtle);
    }
    .metric-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      margin-bottom: 0;
    }
    .metric-table th {
      background: #F1F5F9;
      color: var(--primary-color);
      font-weight: 700;
      padding: 16px 20px;
      font-size: 14px;
      border-bottom: 1px solid var(--border-color);
    }
    .metric-table td {
      padding: 16px 20px;
      font-size: 13px;
      color: #334155;
      border-bottom: 1px solid #F1F5F9;
    }
    .metric-table tr:hover td {
      background-color: rgba(26, 67, 110, 0.02);
    }
    .metric-highlight {
      font-weight: 700;
      color: var(--primary-color);
    }
    .metric-standard {
      color: var(--text-muted);
    }

    /* 11. FAQ 手风琴组件 */
    .faq-accordion-box {
      max-width: 920px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      box-shadow: var(--shadow-subtle);
    }
    .faq-question {
      padding: 18px 22px;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #FFFFFF;
      user-select: none;
    }
    .faq-question i {
      color: var(--text-muted);
      font-size: 13px;
      transition: transform 0.25s ease;
    }
    .faq-item.is-active .faq-question i {
      transform: rotate(180deg);
      color: var(--primary-color);
    }
    .faq-answer {
      padding: 0 22px 18px;
      font-size: 13px;
      color: #475569;
      line-height: 1.7;
      display: none;
      border-top: 1px solid #F8FAFC;
    }
    .faq-item.is-active .faq-answer {
      display: block;
    }

    /* 12. 终极预约与包场意向转化 */
    .cta-booking-section {
      background: linear-gradient(135deg, #1A436E 0%, #0F2D4C 100%);
      color: #FFFFFF;
      padding: 75px 0;
      border-bottom: none;
    }
    .cta-booking-section .section-title {
      color: #FFFFFF;
    }
    .cta-booking-section .section-lead {
      color: #CBD5E1;
    }
    .cta-form-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: 0 16px 36px rgba(0,0,0,0.18);
      max-width: 880px;
      margin: 0 auto;
      color: var(--text-main);
    }
    .form-grid-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-bottom: 16px;
    }
    .form-control-item label {
      display: block;
      font-size: 12px;
      font-weight: 700;
      color: #334155;
      margin-bottom: 6px;
    }
    .form-control-item input, .form-control-item select {
      width: 100%;
      height: 42px;
      padding: 8px 12px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 13px;
      background: #F8FAFC;
    }
    .form-control-item input:focus, .form-control-item select:focus {
      outline: none;
      border-color: var(--primary-color);
      background: #FFFFFF;
    }
    .btn-cta-submit {
      width: 100%;
      height: 46px;
      background: var(--accent-color);
      color: #FFFFFF;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: var(--transition);
    }
    .btn-cta-submit:hover {
      background: #0284C7;
    }
    .form-privacy-note {
      font-size: 12px;
      color: var(--text-muted);
      text-align: center;
      margin-top: 12px;
      margin-bottom: 0;
    }

    /* 全局页脚 */
    .site-footer {
      background: #0B192C;
      color: #94A3B8;
      padding: 70px 0 30px;
      font-size: 13px;
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-col h4 {
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-brand-title {
      color: #FFFFFF;
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .footer-desc {
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94A3B8;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-bottom-bar {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .footer-cert-tags {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .cert-pill {
      background: #1E293B;
      color: #CBD5E1;
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 11px;
      border: 1px solid #334155;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-desc { font-size: 15px; }
      .flow-steps-grid { grid-template-columns: repeat(2, 1fr); }
      .kpi-counter-grid { grid-template-columns: repeat(2, 1fr); }
      .scene-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-top-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .page-section { padding: 55px 0; }
      .brand-bar-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
      .brand-quick-contact { width: 100%; justify-content: space-between; }
      .hero-spec-grid { grid-template-columns: 1fr; }
      .pain-cards-grid { grid-template-columns: 1fr; }
      .solutions-list { grid-template-columns: 1fr; }
      .hall-category-grid { grid-template-columns: 1fr; }
      .testimonial-grid { grid-template-columns: 1fr; }
      .news-wrapper { grid-template-columns: 1fr; }
      .form-grid-row { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .footer-bottom-bar { flex-direction: column; align-items: flex-start; }
      .hero-h1-title { font-size: 26px; }
    }

/* roulang page: category1 */
:root {
      --primary-color: #1A436E;
      --primary-hover: #123153;
      --accent-color: #0EA5E9;
      --gold-accent: #D97706;
      --dark-surface: #0B192C;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --border-color: #E2E8F0;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-subtle: 0 4px 20px -2px rgba(26, 67, 110, 0.05);
      --shadow-hover: 0 12px 30px -4px rgba(26, 67, 110, 0.12);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.65;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    img { max-width: 100%; height: auto; display: block; }
    .site-container { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px; }

    /* 顶部双层导航 */
    .top-brand-bar {
      background: var(--bg-white);
      border-bottom: 1px solid var(--border-color);
      padding: 12px 0;
    }
    .brand-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .logo-badge-icon {
      width: 40px;
      height: 40px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--primary-color), #23588f);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 20px;
    }
    .brand-title-text {
      font-size: 22px;
      font-weight: 700;
      color: var(--primary-color);
      letter-spacing: -0.5px;
      line-height: 1.2;
    }
    .brand-tagline {
      font-size: 12px;
      color: var(--text-muted);
    }
    .brand-quick-contact {
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .quick-info-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .quick-info-item i { color: var(--accent-color); font-size: 14px; }
    .nav-order-btn {
      background: var(--primary-color);
      color: #fff;
      padding: 8px 18px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .nav-order-btn:hover { background: var(--primary-hover); color: #fff; }

    /* 下层：图标网格横向导航条 */
    .grid-navbar {
      background: #FFFFFF;
      border-bottom: 2px solid #EDF2F7;
      box-shadow: 0 4px 12px rgba(0,0,0,0.03);
      position: sticky;
      top: 0;
      z-index: 999;
    }
    .icon-nav-list {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      margin: 0;
      padding: 0;
      list-style: none;
      gap: 8px;
      overflow-x: auto;
      white-space: nowrap;
    }
    .icon-nav-item a {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 14px 18px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      border-bottom: 3px solid transparent;
      border-radius: 4px 4px 0 0;
    }
    .icon-nav-item a:hover {
      color: var(--primary-color);
      background: #F1F5F9;
    }
    .icon-nav-item.active a {
      color: var(--primary-color);
      border-bottom-color: var(--primary-color);
      background: rgba(26, 67, 110, 0.04);
    }
    .icon-nav-item i {
      font-size: 16px;
      color: var(--text-muted);
    }
    .icon-nav-item.active i, .icon-nav-item a:hover i {
      color: var(--primary-color);
    }

    /* 分类页全局板块通用 */
    .cat-section {
      padding: 70px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .cat-section-alt {
      background-color: var(--bg-white);
    }
    .section-title-wrap {
      margin-bottom: 36px;
    }
    .section-badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary-color);
      background: rgba(26, 67, 110, 0.08);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 10px;
      text-transform: uppercase;
    }
    .section-h2-title {
      font-size: 26px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 10px;
      letter-spacing: -0.3px;
    }
    .section-desc-p {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 0;
    }

    /* 1. 分类专题头部指示看板 */
    .cat-header-dashboard {
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      padding: 40px 0 45px;
      border-bottom: 1px solid var(--border-color);
    }
    .dashboard-top-flex {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 24px;
    }
    .cat-h1-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 10px;
      letter-spacing: -0.5px;
    }
    .cat-h1-sub {
      color: var(--text-muted);
      font-size: 15px;
      max-width: 680px;
      line-height: 1.6;
      margin: 0;
    }
    .cat-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      background: var(--bg-white);
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-subtle);
    }
    .metric-data-card {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 8px 12px;
      border-right: 1px solid var(--border-color);
    }
    .metric-data-card:last-child { border-right: none; }
    .metric-icon-box {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: rgba(14, 165, 233, 0.1);
      color: var(--accent-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
    }
    .metric-val {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-color);
      line-height: 1.2;
    }
    .metric-lbl {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 2px;
    }

    /* 2. 多维规格筛选与状态栏 */
    .cat-filter-section {
      padding: 28px 0;
      background: var(--bg-white);
      border-bottom: 1px solid var(--border-color);
    }
    .filter-dashboard-bar {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .filter-row {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }
    .filter-label {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary-color);
      min-width: 80px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .filter-btn-group {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .filter-pill {
      font-size: 12px;
      padding: 6px 14px;
      border-radius: 20px;
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      color: var(--text-main);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .filter-pill:hover, .filter-pill.active {
      background: var(--primary-color);
      color: #fff;
      border-color: var(--primary-color);
    }
    .filter-pill .status-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #10B981;
    }
    .filter-pill.active .status-dot {
      background: #38BDF8;
    }

    /* 3. 主力厅房列表矩阵 */
    .hall-card-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-subtle);
      transition: var(--transition);
      margin-bottom: 24px;
      display: flex;
      flex-direction: column;
      height: calc(100% - 24px);
    }
    .hall-card-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: #CBD5E1;
    }
    .hall-image-box {
      position: relative;
      height: 240px;
      overflow: hidden;
      background: #E2E8F0;
    }
    .hall-image-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .hall-card-item:hover .hall-image-box img {
      transform: scale(1.04);
    }
    .hall-tag-floating {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(11, 25, 44, 0.82);
      backdrop-filter: blur(4px);
      color: #fff;
      font-size: 11px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      letter-spacing: 0.5px;
    }
    .hall-capacity-floating {
      position: absolute;
      bottom: 14px;
      right: 14px;
      background: rgba(255, 255, 255, 0.9);
      color: var(--primary-color);
      font-size: 11px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      gap: 5px;
    }
    .hall-content-inner {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .hall-title-row {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      margin-bottom: 12px;
    }
    .hall-name {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary-color);
      margin: 0;
    }
    .hall-rate-badge {
      font-size: 13px;
      font-weight: 700;
      color: var(--gold-accent);
    }
    .hall-spec-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px 12px;
      background: var(--bg-light);
      padding: 12px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      margin-bottom: 16px;
    }
    .spec-item {
      display: flex;
      align-items: center;
      gap: 6px;
      color: var(--text-muted);
    }
    .spec-item strong {
      color: var(--text-main);
      font-weight: 600;
    }
    .hall-brief-text {
      font-size: 13px;
      color: #475569;
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .hall-bottom-action {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 16px;
      border-top: 1px solid var(--border-color);
    }
    .hall-pricing {
      font-size: 12px;
      color: var(--text-muted);
    }
    .hall-pricing strong {
      font-size: 18px;
      color: var(--primary-color);
      font-weight: 800;
    }
    .hall-detail-link {
      font-size: 13px;
      font-weight: 600;
      color: #fff;
      background: var(--primary-color);
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .hall-detail-link:hover {
      background: var(--primary-hover);
      color: #fff;
    }
    .more-halls-wrap {
      text-align: center;
      margin-top: 24px;
    }
    .btn-view-all-halls {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 24px;
      border: 1px solid var(--primary-color);
      color: var(--primary-color);
      background: var(--bg-white);
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
    }
    .btn-view-all-halls:hover {
      background: var(--primary-color);
      color: #fff;
    }

    /* 4. 厅房硬件系统横向拆解 */
    .hardware-feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      height: 100%;
      box-shadow: var(--shadow-subtle);
    }
    .hw-icon-circle {
      width: 50px;
      height: 50px;
      border-radius: var(--radius-sm);
      background: rgba(26, 67, 110, 0.08);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
    }
    .hw-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 12px;
    }
    .hw-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .hw-list {
      list-style: none;
      margin: 0;
      padding: 0;
      font-size: 12px;
      color: var(--text-main);
    }
    .hw-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
    }
    .hw-list li i { color: var(--accent-color); }

    /* 5. 专属定制配套服务清单 */
    .service-privilege-card {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      transition: var(--transition);
    }
    .service-privilege-card:hover {
      background: var(--bg-white);
      box-shadow: var(--shadow-subtle);
      border-color: #CBD5E1;
    }
    .service-badge-num {
      font-size: 12px;
      font-weight: 800;
      color: var(--accent-color);
      letter-spacing: 1px;
      margin-bottom: 8px;
      text-transform: uppercase;
    }
    .service-card-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 10px;
    }
    .service-card-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin: 0;
    }

    /* 6. 适宜片种与声画调校指南 */
    .genre-guide-box {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-subtle);
    }
    .guide-tab-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-color);
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }
    .guide-matrix-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .guide-row-item {
      padding: 14px;
      background: var(--bg-light);
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--accent-color);
    }
    .guide-row-head {
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 6px;
    }
    .guide-row-body {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.6;
      margin: 0;
    }

    /* 7. 预订须知与保障模块 */
    .terms-block-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .term-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
    }
    .term-head {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 16px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 12px;
    }
    .term-head i { color: var(--gold-accent); }
    .term-body {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin: 0;
    }

    /* 页脚 */
    .site-footer {
      background: var(--dark-surface);
      color: #94A3B8;
      padding: 60px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand-title {
      font-size: 20px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
    }
    .footer-desc {
      font-size: 13px;
      line-height: 1.75;
      margin-bottom: 20px;
      color: #94A3B8;
    }
    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: #FFFFFF;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a {
      font-size: 13px;
      color: #94A3B8;
    }
    .footer-links a:hover { color: var(--accent-color); }
    .footer-cert-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .cert-pill {
      font-size: 11px;
      padding: 4px 10px;
      border-radius: 4px;
      background: rgba(255, 255, 255, 0.06);
      color: #E2E8F0;
      border: 1px solid rgba(255, 255, 255, 0.1);
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* 响应式调整 */
    @media screen and (max-width: 991px) {
      .cat-metrics-grid { grid-template-columns: repeat(2, 1fr); }
      .metric-data-card:nth-child(2) { border-right: none; }
      .footer-top-grid { grid-template-columns: 1fr 1fr; }
      .terms-block-grid { grid-template-columns: 1fr; }
    }
    @media screen and (max-width: 640px) {
      .cat-metrics-grid { grid-template-columns: 1fr; }
      .metric-data-card { border-right: none; border-bottom: 1px solid var(--border-color); padding-bottom: 12px; }
      .brand-quick-contact { display: none; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .cat-h1-title { font-size: 24px; }
    }