/* roulang page: index */
:root {
      --primary: #0B132B;
      --primary-light: #1C2541;
      --secondary: #3A86FF;
      --accent: #E0A96D;
      --accent-hover: #FFC048;
      --success: #10B981;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0A0F1D;
      --border-color: #E2E8F0;
      --border-dark: #2A364F;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
      --shadow-md: 0 6px 24px -2px rgba(11,19,43,0.08);
      --shadow-lg: 0 16px 36px -4px rgba(11,19,43,0.16);
      --transition: all 0.28s ease-in-out;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "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;
    }

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部通栏 */
    .top-bar {
      background: var(--bg-dark);
      color: #94A3B8;
      font-size: 13px;
      border-bottom: 1px solid var(--border-dark);
      padding: 8px 0;
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-status {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background: var(--success);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 8px var(--success);
    }
    .top-bar-contact {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .top-bar-contact a {
      color: #CBD5E1;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .top-bar-contact a:hover {
      color: var(--accent);
    }

    /* 主导航 */
    .main-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(11, 19, 43, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .nav-wrapper {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 74px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #FFFFFF;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: 0.5px;
    }
    .brand-logo i {
      color: var(--accent);
      font-size: 24px;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-link {
      color: #E2E8F0;
      font-size: 15px;
      font-weight: 500;
      padding: 6px 0;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--accent);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
    }
    .btn-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
      color: var(--primary);
      font-weight: 600;
      font-size: 15px;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      box-shadow: 0 4px 15px rgba(224, 169, 109, 0.3);
      cursor: pointer;
      border: none;
      transition: var(--transition);
    }
    .btn-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(224, 169, 109, 0.45);
      color: var(--primary);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: transparent;
      color: #FFFFFF;
      font-weight: 500;
      font-size: 15px;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,0.3);
      transition: var(--transition);
    }
    .btn-outline:hover {
      border-color: var(--accent);
      color: var(--accent);
      background: rgba(224, 169, 109, 0.08);
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: #FFFFFF;
      font-size: 22px;
      cursor: pointer;
    }

    /* 模块通用头 */
    .section-spacing {
      padding: 86px 0;
    }
    .section-title-wrap {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 52px;
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--accent);
      background: rgba(224, 169, 109, 0.12);
      border: 1px solid rgba(224, 169, 109, 0.25);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 14px;
      letter-spacing: 1px;
      text-transform: uppercase;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Hero 板块：蓝图变体（直播预告封面 + 倒计时 + 提醒订阅） */
    #hero {
      position: relative;
      background: linear-gradient(rgba(11, 19, 43, 0.88), rgba(10, 15, 29, 0.94)), url('/assets/images/87dc3488d27f8baf.webp') center/cover no-repeat;
      color: #FFFFFF;
      padding: 70px 0 85px;
      border-bottom: 1px solid var(--border-dark);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.25fr 0.95fr;
      gap: 40px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 40px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #FFFFFF;
    }
    .hero-content h1 span {
      background: linear-gradient(135deg, #FFC048 0%, #E0A96D 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-intro-text {
      font-size: 16px;
      color: #CBD5E1;
      margin-bottom: 30px;
      line-height: 1.8;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-feature-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      padding-top: 24px;
      border-top: 1px solid rgba(255,255,255,0.12);
    }
    .feature-tag-item {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #94A3B8;
      font-size: 14px;
    }
    .feature-tag-item i {
      color: var(--success);
    }

    /* Hero 倒计时与演示排期看板 */
    .stream-broadcast-card {
      background: rgba(28, 37, 65, 0.85);
      border: 1px solid rgba(224, 169, 109, 0.3);
      backdrop-filter: blur(10px);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    }
    .broadcast-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(239, 68, 68, 0.2);
      border: 1px solid rgba(239, 68, 68, 0.4);
      color: #F87171;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 16px;
    }
    .broadcast-badge .pulse {
      width: 8px;
      height: 8px;
      background: #EF4444;
      border-radius: 50%;
      box-shadow: 0 0 8px #EF4444;
    }
    .broadcast-card-title {
      font-size: 20px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 10px;
    }
    .broadcast-card-desc {
      font-size: 14px;
      color: #94A3B8;
      margin-bottom: 22px;
      line-height: 1.6;
    }
    .countdown-timer-box {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin-bottom: 24px;
      text-align: center;
    }
    .timer-unit {
      background: rgba(11, 19, 43, 0.9);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius-sm);
      padding: 10px 4px;
    }
    .timer-digit {
      font-size: 24px;
      font-weight: 700;
      color: var(--accent);
      font-family: monospace;
    }
    .timer-label {
      font-size: 11px;
      color: #64748B;
      text-transform: uppercase;
      margin-top: 2px;
    }
    .subscribe-box {
      display: flex;
      gap: 8px;
    }
    .subscribe-box input {
      flex: 1;
      background: rgba(11, 19, 43, 0.7);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 10px 14px;
      color: #FFFFFF;
      font-size: 14px;
      outline: none;
    }
    .subscribe-box input:focus {
      border-color: var(--accent);
    }

    /* 2. 平台核心与可信认证区 */
    #introduction {
      background: var(--bg-white);
    }
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .intro-visual {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }
    .intro-specs-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 28px;
    }
    .spec-box {
      background: var(--bg-light);
      border-left: 3px solid var(--secondary);
      padding: 16px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }
    .spec-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .spec-value {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 3. 六大运营核心优势区 */
    #advantages {
      background: var(--bg-light);
    }
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 26px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }
    .adv-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }
    .adv-icon-wrap {
      width: 54px;
      height: 54px;
      border-radius: var(--radius-sm);
      background: rgba(58, 134, 255, 0.08);
      color: var(--secondary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
    }
    .adv-card:nth-child(2) .adv-icon-wrap { background: rgba(224, 169, 109, 0.12); color: var(--accent); }
    .adv-card:nth-child(3) .adv-icon-wrap { background: rgba(16, 185, 129, 0.1); color: var(--success); }
    .adv-card:nth-child(4) .adv-icon-wrap { background: rgba(139, 92, 246, 0.1); color: #8B5CF6; }
    .adv-card:nth-child(5) .adv-icon-wrap { background: rgba(239, 68, 68, 0.1); color: #EF4444; }
    .adv-card:nth-child(6) .adv-icon-wrap { background: rgba(6, 182, 212, 0.1); color: #06B6D4; }

    .adv-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .adv-text {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 4. 热门棋牌产品体系展示区 */
    #products {
      background: var(--bg-white);
    }
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .product-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--bg-white);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .product-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .product-thumb {
      height: 200px;
      position: relative;
      overflow: hidden;
    }
    .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-tag-pill {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(11, 19, 43, 0.8);
      color: var(--accent);
      font-size: 12px;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }
    .product-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .product-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .product-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }
    .product-feature-list {
      margin-top: auto;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .product-feature-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13.5px;
      color: var(--text-main);
    }
    .product-feature-item i {
      color: var(--success);
      font-size: 12px;
    }

    /* 5. 深色高阶技术与合规案例区 */
    #solutions {
      background: var(--bg-dark);
      color: #FFFFFF;
    }
    #solutions .section-title {
      color: #FFFFFF;
    }
    #solutions .section-desc {
      color: #94A3B8;
    }
    .solution-bento-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 30px;
    }
    .bento-card-main {
      background: var(--primary-light);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .bento-card-side {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .bento-subcard {
      background: var(--primary-light);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 26px;
    }
    .solution-title-sm {
      font-size: 18px;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .solution-text-sm {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.65;
    }

    /* 6. 客户运营场景与用户故事 */
    #stories {
      background: var(--bg-light);
    }
    .story-card-wrapper {
      display: flex;
      flex-direction: column;
      gap: 36px;
    }
    .story-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1fr;
      box-shadow: var(--shadow-sm);
    }
    .story-item:nth-child(even) {
      grid-template-columns: 1fr 1fr;
      direction: rtl;
    }
    .story-item:nth-child(even) .story-content-side {
      direction: ltr;
    }
    .story-image-side {
      position: relative;
      min-height: 280px;
    }
    .story-image-side img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .story-content-side {
      padding: 36px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .story-phase-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--secondary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 8px;
    }
    .story-heading {
      font-size: 22px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .story-summary {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .story-stats-row {
      display: flex;
      gap: 28px;
      padding-top: 16px;
      border-top: 1px solid var(--border-color);
    }
    .stat-number-box .num {
      font-size: 22px;
      font-weight: 700;
      color: var(--accent);
    }
    .stat-number-box .lbl {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 7. 平台运营关键数据统计条 */
    #metrics {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
      color: #FFFFFF;
      padding: 56px 0;
      border-top: 1px solid rgba(255,255,255,0.06);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-item {
      padding: 10px;
    }
    .metric-value {
      font-size: 42px;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 6px;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    }
    .metric-title {
      font-size: 16px;
      font-weight: 600;
      color: #FFFFFF;
      margin-bottom: 4px;
    }
    .metric-detail {
      font-size: 13px;
      color: #94A3B8;
    }

    /* 8. 运营商口碑与真实评价区 */
    #testimonials {
      background: var(--bg-white);
    }
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testimonial-card {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .quote-icon {
      font-size: 26px;
      color: rgba(224, 169, 109, 0.4);
      margin-bottom: 14px;
    }
    .testimonial-quote {
      font-size: 14.5px;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      padding-top: 16px;
      border-top: 1px solid rgba(0,0,0,0.06);
    }
    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 16px;
    }
    .reviewer-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--primary);
    }
    .reviewer-role {
      font-size: 12.5px;
      color: var(--text-muted);
    }

    /* 9. 深度对比差异板块 */
    #comparison {
      background: var(--bg-light);
    }
    .comparison-table-wrapper {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .comparison-table th, .comparison-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
    }
    .comparison-table th {
      background: #F1F5F9;
      font-size: 15px;
      font-weight: 700;
      color: var(--primary);
    }
    .comparison-table th.highlight-col {
      background: var(--primary);
      color: var(--accent);
    }
    .comparison-table td.highlight-col {
      background: rgba(224, 169, 109, 0.05);
      font-weight: 600;
      color: var(--primary);
    }
    .comparison-table tr:last-child td {
      border-bottom: none;
    }

    /* 10. 行业动态与内嵌资讯摘要区 */
    #news {
      background: var(--bg-white);
    }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--bg-white);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-card-thumb {
      height: 190px;
    }
    .news-card-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-card-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 12.5px;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .news-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.45;
      margin-bottom: 12px;
    }
    .news-summary {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex: 1;
    }
    .news-trigger-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--secondary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      cursor: pointer;
    }
    .news-trigger-link:hover {
      color: var(--accent);
    }

    /* 11. 运营异议与技术拆解 FAQ 区 */
    #faq {
      background: var(--bg-light);
    }
    .faq-accordion-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-accordion-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-accordion-header {
      padding: 20px 24px;
      font-size: 16.5px;
      font-weight: 700;
      color: var(--primary);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-accordion-header i {
      font-size: 14px;
      color: var(--text-muted);
      transition: transform 0.3s ease;
    }
    .faq-accordion-item.active .faq-accordion-header i {
      transform: rotate(180deg);
      color: var(--accent);
    }
    .faq-accordion-body {
      padding: 0 24px 22px;
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
    }
    .faq-accordion-item.active .faq-accordion-body {
      display: block;
    }

    /* 12. 安全与运维保障条 */
    #guarantee {
      background: var(--primary-light);
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
      padding: 44px 0;
      color: #FFFFFF;
    }
    .guarantee-badges-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }
    .guarantee-icon {
      font-size: 26px;
      color: var(--accent);
      flex-shrink: 0;
      margin-top: 3px;
    }
    .guarantee-title {
      font-size: 16px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 4px;
    }
    .guarantee-desc {
      font-size: 13px;
      color: #94A3B8;
      line-height: 1.5;
    }

    /* 13. 行动转化转化召唤区 */
    #bottom-cta {
      background: linear-gradient(rgba(11, 19, 43, 0.92), rgba(11, 19, 43, 0.96)), url('/assets/images/2fecb004bea79938.jpg') center/cover no-repeat;
      color: #FFFFFF;
      padding: 80px 0;
    }
    .cta-box-center {
      max-width: 720px;
      margin: 0 auto;
      text-align: center;
    }
    .cta-heading {
      font-size: 34px;
      font-weight: 800;
      margin-bottom: 16px;
      color: #FFFFFF;
    }
    .cta-heading span {
      color: var(--accent);
    }
    .cta-text {
      font-size: 16px;
      color: #CBD5E1;
      margin-bottom: 34px;
      line-height: 1.7;
    }
    .cta-form-row {
      display: flex;
      gap: 12px;
      max-width: 540px;
      margin: 0 auto 20px;
    }
    .cta-form-row input {
      flex: 1;
      height: 48px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: var(--radius-sm);
      padding: 0 16px;
      color: #FFFFFF;
      font-size: 15px;
      outline: none;
    }
    .cta-form-row input:focus {
      border-color: var(--accent);
      background: rgba(255,255,255,0.12);
    }
    .cta-privacy-note {
      font-size: 13px;
      color: #94A3B8;
    }

    /* 浮动吸底转化条 */
    .floating-action-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(11, 19, 43, 0.96);
      border-top: 1px solid rgba(224, 169, 109, 0.3);
      backdrop-filter: blur(8px);
      z-index: 999;
      padding: 12px 0;
      transform: translateY(100%);
      transition: transform 0.3s ease;
      box-shadow: 0 -4px 20px rgba(0,0,0,0.25);
    }
    .floating-action-bar.visible {
      transform: translateY(0);
    }
    .floating-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .floating-left {
      display: flex;
      align-items: center;
      gap: 16px;
      color: #FFFFFF;
      font-size: 14.5px;
    }
    .floating-left .tag {
      background: var(--accent);
      color: var(--primary);
      font-weight: 700;
      font-size: 12px;
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* 页脚 */
    .site-footer {
      background: var(--bg-dark);
      color: #94A3B8;
      border-top: 1px solid var(--border-dark);
      padding: 70px 0 28px;
      font-size: 14px;
    }
    .footer-columns {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-col-title {
      color: #FFFFFF;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-links-list a {
      color: #94A3B8;
    }
    .footer-links-list a:hover {
      color: var(--accent);
      padding-left: 4px;
    }
    .footer-contact-item {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
      color: #CBD5E1;
    }
    .footer-contact-item i {
      color: var(--accent);
    }
    .footer-bottom-line {
      border-top: 1px solid var(--border-dark);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #64748B;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .advantages-grid, .products-grid, .news-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .solution-bento-grid {
        grid-template-columns: 1fr;
      }
      .footer-columns {
        grid-template-columns: 1fr 1fr;
      }
      .guarantee-badges-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-menu {
        position: absolute;
        top: 74px;
        left: 0;
        width: 100%;
        background: var(--primary);
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        gap: 18px;
        display: none;
        border-bottom: 1px solid var(--border-dark);
      }
      .nav-menu.open {
        display: flex;
      }
      .nav-right-cta {
        display: none;
      }
      .section-spacing {
        padding: 60px 0;
      }
      .section-title {
        font-size: 26px;
      }
      .hero-content h1 {
        font-size: 28px;
      }
      .intro-grid {
        grid-template-columns: 1fr;
      }
      .story-item, .story-item:nth-child(even) {
        grid-template-columns: 1fr;
        direction: ltr;
      }
      .advantages-grid, .products-grid, .news-grid, .testimonials-grid {
        grid-template-columns: 1fr;
      }
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .guarantee-badges-grid {
        grid-template-columns: 1fr;
      }
      .cta-form-row {
        flex-direction: column;
      }
      .floating-left span:last-child {
        display: none;
      }
      .footer-columns {
        grid-template-columns: 1fr;
      }
      .footer-bottom-line {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }