/* roulang page: index */
:root {
      --primary: #1E40AF;
      --primary-dark: #1E3A8A;
      --primary-light: #3B82F6;
      --secondary: #0284C7;
      --secondary-light: #E0F2FE;
      --accent: #F97316;
      --accent-hover: #EA580C;
      --bg-page: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-dark: #0F172A;
      --bg-dark-card: #1E293B;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --border-focus: #93C5FD;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 12px 28px -4px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.06);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      --max-width: 1240px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      color: var(--text-body);
      background-color: var(--bg-page);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    button, input, select, textarea {
      font: inherit;
    }

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

    /* 顶栏 */
    .topbar {
      background-color: #0B1329;
      color: #94A3B8;
      font-size: 0.85rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 8px 0;
    }
    .topbar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .topbar-meta {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .topbar-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .topbar-badge {
      background: rgba(2, 132, 199, 0.2);
      color: #38BDF8;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 0.75rem;
    }

    /* 统一导航 */
    .site-header {
      background-color: #FFFFFF;
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .logo-mark {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      font-weight: 800;
      font-size: 1.25rem;
      letter-spacing: -1px;
      box-shadow: 0 4px 10px rgba(30, 64, 175, 0.3);
    }
    .logo-text h1, .logo-text span {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.2;
      display: block;
      margin: 0;
    }
    .logo-text small {
      font-size: 0.72rem;
      color: var(--text-muted);
      letter-spacing: 1px;
      display: block;
      margin-top: 2px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-link {
      font-weight: 600;
      font-size: 0.95rem;
      color: var(--text-body);
      position: relative;
      padding: 8px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 3px;
      background-color: var(--primary);
      border-radius: 2px;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      font-size: 0.95rem;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
      text-align: center;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 2px 6px rgba(30, 64, 175, 0.25);
    }
    .btn-primary:hover {
      background-color: var(--primary-dark);
      box-shadow: 0 4px 12px rgba(30, 64, 175, 0.35);
      transform: translateY(-1px);
    }
    .btn-accent {
      background-color: var(--accent);
      color: #FFFFFF;
      box-shadow: 0 3px 8px rgba(249, 115, 22, 0.28);
    }
    .btn-accent:hover {
      background-color: var(--accent-hover);
      box-shadow: 0 6px 14px rgba(249, 115, 22, 0.38);
      transform: translateY(-1px);
    }
    .btn-outline {
      border-color: var(--primary);
      color: var(--primary);
      background-color: transparent;
    }
    .btn-outline:hover {
      background-color: rgba(30, 64, 175, 0.05);
    }
    .btn-secondary {
      background-color: var(--secondary-light);
      color: var(--secondary);
    }
    .btn-secondary:hover {
      background-color: #BAE6FD;
    }
    .btn-lg {
      padding: 14px 30px;
      font-size: 1.05rem;
      border-radius: var(--radius-md);
    }
    .btn-sm {
      padding: 6px 14px;
      font-size: 0.85rem;
    }

    /* 移动端汉堡按钮 */
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }
    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 通用板块基准 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }
    .section-bg-white {
      background-color: #FFFFFF;
    }
    .section-bg-alt {
      background-color: var(--bg-page);
    }
    .section-bg-dark {
      background-color: var(--bg-dark);
      color: #E2E8F0;
    }

    .section-header {
      margin-bottom: 48px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary);
      background-color: #EFF6FF;
      padding: 4px 12px;
      border-radius: 30px;
      margin-bottom: 12px;
      border: 1px solid #DBEAFE;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-bg-dark .section-tag {
      background-color: rgba(2, 132, 199, 0.2);
      color: #38BDF8;
      border-color: rgba(56, 189, 248, 0.3);
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-bg-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-bg-dark .section-desc {
      color: #94A3B8;
    }

    /* 1. HERO 首屏 (自测选型短问卷视觉 + 结果预览) */
    .hero-section {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.88), rgba(30, 64, 175, 0.85)),
                  url('/assets/images/bad80945297878af.jpg') center/cover no-repeat;
      padding: 80px 0 90px;
      color: #FFFFFF;
      position: relative;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-badge-group {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 20px;
    }
    .hero-badge-pill {
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(8px);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.82rem;
      font-weight: 600;
      border: 1px solid rgba(255, 255, 255, 0.25);
    }
    .hero-content h1 {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #FFFFFF;
      letter-spacing: -0.5px;
    }
    .hero-lead {
      font-size: 1.1rem;
      line-height: 1.8;
      color: #E2E8F0;
      margin-bottom: 32px;
      max-width: 620px;
    }
    .hero-metrics-pill {
      display: flex;
      gap: 30px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.18);
    }
    .metric-compact-val {
      font-size: 1.6rem;
      font-weight: 800;
      color: #F8FAFC;
    }
    .metric-compact-lbl {
      font-size: 0.8rem;
      color: #94A3B8;
      margin-top: 2px;
    }

    /* 问卷选型组件卡片 */
    .selection-tool-card {
      background-color: #FFFFFF;
      color: var(--text-main);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
      border: 1px solid rgba(255, 255, 255, 0.8);
      position: relative;
    }
    .tool-card-head {
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
      margin-bottom: 20px;
    }
    .tool-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .tool-sub {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .tool-step-item {
      margin-bottom: 18px;
    }
    .tool-step-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text-body);
    }
    .tool-chip-group {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .tool-chip {
      padding: 6px 14px;
      background-color: #F1F5F9;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-sm);
      font-size: 0.82rem;
      font-weight: 500;
      cursor: pointer;
      transition: var(--transition);
    }
    .tool-chip:hover, .tool-chip.selected {
      background-color: #EFF6FF;
      border-color: var(--primary);
      color: var(--primary);
      font-weight: 600;
    }
    .tool-preview-box {
      background-color: #F8FAFC;
      border: 1px dashed #CBD5E1;
      border-radius: var(--radius-sm);
      padding: 14px;
      margin: 20px 0;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .tool-preview-icon {
      width: 40px;
      height: 40px;
      background-color: #DBEAFE;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 700;
      font-size: 0.9rem;
      flex-shrink: 0;
    }
    .tool-preview-text {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.4;
    }
    .tool-preview-text strong {
      color: var(--text-main);
      display: block;
      font-size: 0.88rem;
      margin-bottom: 2px;
    }

    /* 2. 资料目录区 (蓝图板块) */
    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .catalog-item-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .catalog-item-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .catalog-type-pill {
      font-size: 0.75rem;
      background: #EFF6FF;
      color: var(--primary);
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
      display: inline-block;
      margin-bottom: 12px;
      width: fit-content;
    }
    .catalog-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .catalog-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 16px;
    }
    .catalog-meta {
      font-size: 0.8rem;
      color: var(--text-light);
      display: flex;
      justify-content: space-between;
      border-top: 1px solid #F1F5F9;
      padding-top: 12px;
    }

    /* 3. 核心价值点区 (6张卡片网格) */
    .value-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .value-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .value-card:hover {
      box-shadow: var(--shadow-lg);
      border-color: #BFDBFE;
      transform: translateY(-4px);
    }
    .value-icon-box {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-sm);
      background: #EFF6FF;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 20px;
      border: 1px solid #DBEAFE;
    }
    .value-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .value-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 4. 关键图表 / 数据分析区 (蓝图关键图表) */
    .dashboard-visual-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }
    .dashboard-flex {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .spec-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 16px;
      font-size: 0.9rem;
    }
    .spec-table th, .spec-table td {
      padding: 12px 14px;
      border-bottom: 1px solid var(--border-color);
      text-align: left;
    }
    .spec-table th {
      background-color: #F8FAFC;
      color: var(--text-main);
      font-weight: 700;
    }
    .chart-bar-group {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 20px;
    }
    .chart-bar-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .chart-bar-head {
      display: flex;
      justify-content: space-between;
      font-size: 0.88rem;
      font-weight: 600;
    }
    .chart-progress-bg {
      height: 10px;
      background: #E2E8F0;
      border-radius: 5px;
      overflow: hidden;
    }
    .chart-progress-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      border-radius: 5px;
    }

    /* 5. 热门器材采购区 (3大卡片) */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .product-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .product-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
      border-color: #CBD5E1;
    }
    .product-thumb {
      height: 220px;
      position: relative;
      overflow: hidden;
      background-color: #F1F5F9;
    }
    .product-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .product-card:hover .product-thumb img {
      transform: scale(1.05);
    }
    .product-badge-corner {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(4px);
      color: #FFF;
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: 4px;
      font-weight: 600;
    }
    .product-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
      justify-content: space-between;
    }
    .product-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .product-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 14px;
    }
    .product-tag {
      background: #F1F5F9;
      color: var(--text-muted);
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .product-desc {
      font-size: 0.9rem;
      color: var(--text-body);
      line-height: 1.5;
      margin-bottom: 20px;
    }
    .product-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }
    .product-price-info {
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    .product-price-info strong {
      display: block;
      color: var(--accent);
      font-size: 1.15rem;
    }

    /* 6. 场景化采办解决方案 (4分栏) */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .scenario-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .scenario-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .scenario-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .scenario-badge {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: #EFF6FF;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }
    .scenario-name {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .scenario-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .scenario-list {
      list-style: none;
      padding: 0;
      margin: 0 0 20px 0;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .scenario-list li {
      font-size: 0.85rem;
      color: var(--text-body);
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .scenario-list li::before {
      content: "•";
      color: var(--primary);
      font-size: 1.2rem;
      line-height: 1;
    }

    /* 7. 深色工程品质与集采保障 */
    .philosophy-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .philosophy-text p {
      font-size: 1rem;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 20px;
    }
    .philosophy-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 28px;
    }
    .philosophy-item {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 18px;
      border-radius: var(--radius-sm);
    }
    .philosophy-item h4 {
      font-size: 1.05rem;
      color: #38BDF8;
      margin-bottom: 6px;
    }
    .philosophy-item p {
      font-size: 0.85rem;
      color: #94A3B8;
      margin-bottom: 0;
      line-height: 1.5;
    }
    .philosophy-visual img {
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.15);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
    }

    /* 8. 大型工程采办案例与故事区 */
    .stories-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .story-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .story-img-wrap {
      height: 190px;
      position: relative;
    }
    .story-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .story-tag {
      position: absolute;
      bottom: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.8);
      color: #FFF;
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: 4px;
    }
    .story-content {
      padding: 22px;
    }
    .story-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .story-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .story-stats {
      display: flex;
      justify-content: space-between;
      border-top: 1px solid #F1F5F9;
      padding-top: 12px;
      font-size: 0.82rem;
      color: var(--text-body);
    }

    /* 9. 关键数据统计条 */
    .metrics-bar-section {
      background: linear-gradient(90deg, #1E3A8A, #1E40AF);
      color: #FFFFFF;
      padding: 50px 0;
    }
    .metrics-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-data-val {
      font-size: 2.8rem;
      font-weight: 800;
      color: #60A5FA;
      line-height: 1;
      margin-bottom: 8px;
    }
    .metric-data-val small {
      font-size: 1.2rem;
      color: #FFFFFF;
      font-weight: 600;
      margin-left: 2px;
    }
    .metric-data-label {
      font-size: 0.95rem;
      color: #E2E8F0;
      letter-spacing: 0.5px;
    }

    /* 10. 采购决策人评价区 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-quote {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 20px;
      position: relative;
    }
    .review-person {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }
    .review-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #EFF6FF;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }
    .review-person-info h5 {
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 2px;
    }
    .review-person-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin: 0;
    }

    /* 11. 行业资讯内嵌摘要区 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .news-cover {
      height: 180px;
    }
    .news-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
      justify-content: space-between;
    }
    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-summary {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .news-date {
      font-size: 0.78rem;
      color: var(--text-light);
    }

    /* 12. 传统采购与平台直采差异对比表 */
    .compare-table-wrap {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-table th {
      background-color: #F8FAFC;
      font-weight: 700;
      color: var(--text-main);
      font-size: 1rem;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .platform-col {
      background-color: #F0FDF4;
      color: #166534;
      font-weight: 600;
    }
    .traditional-col {
      color: var(--text-muted);
    }

    /* 13. FAQ 手风琴 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      background: #FFFFFF;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item[open] {
      border-color: #BFDBFE;
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-question::-webkit-details-marker {
      display: none;
    }
    .faq-question::after {
      content: "+";
      font-size: 1.4rem;
      color: var(--primary);
      transition: transform 0.25s ease;
    }
    .faq-item[open] .faq-question::after {
      transform: rotate(45deg);
      color: var(--accent);
    }
    .faq-answer {
      padding: 0 24px 20px 24px;
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.7;
      border-top: 1px solid #F1F5F9;
      margin-top: 4px;
      padding-top: 14px;
    }

    /* 14. 六大采购保障条 */
    .trust-assurance-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
    }
    .trust-assurance-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 20px 14px;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
    }
    .trust-icon-circle {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #EFF6FF;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }
    .trust-assurance-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .trust-assurance-text {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* 15. 底部强转化表单区 */
    .cta-form-wrapper {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 40px;
      align-items: center;
    }
    .cta-form-intro h3 {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.3;
    }
    .cta-form-intro p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 24px;
    }
    .form-feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .form-feature-list li {
      font-size: 0.88rem;
      color: var(--text-body);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .form-feature-list li span {
      color: var(--primary);
      font-weight: bold;
    }
    .lead-form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .lead-form-grid .full-span {
      grid-column: span 2;
    }
    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-body);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      outline: none;
      transition: var(--transition);
      background: #F8FAFC;
    }
    .form-control:focus {
      border-color: var(--primary);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
    }

    /* 页脚设计 */
    .site-footer {
      background-color: #0F172A;
      color: #94A3B8;
      font-size: 0.88rem;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h4 {
      color: #FFFFFF;
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 16px;
      font-size: 0.85rem;
    }
    .footer-col h5 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
      padding-left: 4px;
    }
    .footer-bottom {
      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: 14px;
      font-size: 0.8rem;
    }

    /* 15. 吸底固定转化条 */
    .sticky-bottom-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 12px 0;
      z-index: 999;
      transform: translateY(0);
      transition: var(--transition);
      box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15);
    }
    .sticky-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .sticky-info {
      display: flex;
      align-items: center;
      gap: 16px;
      color: #FFFFFF;
    }
    .sticky-phone {
      font-size: 1.25rem;
      font-weight: 800;
      color: #38BDF8;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-grid, .philosophy-wrap, .dashboard-flex, .cta-form-wrapper {
        grid-template-columns: 1fr;
      }
      .catalog-grid, .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .trust-assurance-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .main-nav {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
    }
    @media (max-width: 768px) {
      .section-wrap {
        padding: 50px 0;
      }
      .section-title {
        font-size: 1.65rem;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .value-grid, .products-grid, .stories-grid, .reviews-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .metrics-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }
      .trust-assurance-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-form-wrapper {
        padding: 24px;
      }
      .lead-form-grid {
        grid-template-columns: 1fr;
      }
      .lead-form-grid .full-span {
        grid-column: span 1;
      }
      .sticky-info {
        display: none;
      }
      .sticky-inner {
        justify-content: center;
        width: 100%;
      }
      .sticky-inner .btn {
        width: 100%;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .topbar-meta {
        font-size: 0.75rem;
      }
    }