/* roulang page: index */
:root {
      --primary: #0F172A;
      --primary-dark: #0B0F19;
      --accent: #10B981;
      --accent-hover: #059669;
      --accent-glow: rgba(16, 185, 129, 0.25);
      --secondary: #6366F1;
      --secondary-light: #EEF2FF;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --text-light: #F1F5F9;
      --border-color: #E2E8F0;
      --border-dark: rgba(255, 255, 255, 0.08);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-pill: 9999px;
      --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
      --transition: all 0.25s ease-in-out;
    }

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

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

    body {
      font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text-body);
      background-color: var(--bg-light);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    /* 顶部通知与导航 */
    .top-bar {
      background-color: var(--primary-dark);
      color: #94A3B8;
      font-size: 13px;
      border-bottom: 1px solid var(--border-dark);
      padding: 6px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-status {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent);
    }

    header.site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .brand-logo .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--accent), var(--secondary));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 18px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--accent);
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--accent);
      color: #FFFFFF;
      box-shadow: 0 4px 14px var(--accent-glow);
    }
    .btn-primary:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px var(--accent-glow);
    }
    .btn-outline {
      background-color: transparent;
      border-color: var(--border-color);
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--accent);
      color: var(--accent);
      background: #FFFFFF;
    }
    .btn-pill {
      border-radius: var(--radius-pill);
    }

    /* 板块排版通用 */
    section {
      padding: 80px 0;
      position: relative;
    }
    .section-dark {
      background-color: var(--primary);
      color: var(--text-light);
    }
    .section-white {
      background-color: var(--bg-white);
    }
    .section-gray {
      background-color: var(--bg-light);
    }
    .section-header {
      margin-bottom: 54px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(16, 185, 129, 0.1);
      color: var(--accent);
      border-radius: var(--radius-pill);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-dark .section-badge {
      background: rgba(16, 185, 129, 0.2);
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* 1. 首屏 Hero 斜切色块 */
    .hero-section {
      padding: 100px 0 120px;
      background: linear-gradient(135deg, #0B0F19 0%, #0F172A 70%, #1E293B 100%);
      position: relative;
      overflow: hidden;
      color: #FFFFFF;
      clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
    }
    .hero-bg-overlay {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      opacity: 0.18;
      background-image: url('/assets/images/f92128f4a406b15c.webp');
      background-size: cover;
      background-position: center;
      mix-blend-mode: overlay;
      pointer-events: none;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 860px;
    }
    .hero-title {
      font-size: 46px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 24px;
      color: #FFFFFF;
      letter-spacing: -1px;
    }
    .hero-title span {
      background: linear-gradient(90deg, #10B981, #6ee7b7);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 18px;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 36px;
    }
    .hero-action {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* 2. 倒计时/大盘指标条 */
    .countdown-bar {
      background-color: var(--bg-white);
      padding: 30px 0;
      margin-top: -40px;
      position: relative;
      z-index: 10;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }
    .countdown-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }
    .count-item {
      padding: 0 16px;
      border-right: 1px solid var(--border-color);
    }
    .count-item:last-child {
      border-right: none;
    }
    .count-value {
      font-size: 34px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 6px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }
    .count-value span {
      color: var(--accent);
      font-size: 20px;
    }
    .count-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 3. 架构介绍区 */
    .overview-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }
    .overview-thumb {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
      position: relative;
    }
    .overview-specs {
      list-style: none;
      margin-top: 24px;
    }
    .overview-specs li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 18px;
    }
    .spec-icon {
      width: 24px;
      height: 24px;
      background: rgba(16, 185, 129, 0.15);
      color: var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-weight: bold;
      font-size: 13px;
    }
    .spec-text h4 {
      font-size: 16px;
      color: var(--text-main);
      font-weight: 700;
      margin-bottom: 4px;
    }
    .spec-text p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 4. 卖点三连看板 */
    .pillars-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .pillar-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .pillar-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: transparent;
      transition: var(--transition);
    }
    .pillar-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: var(--accent);
    }
    .pillar-card:hover::before {
      background: var(--accent);
    }
    .pillar-num {
      font-size: 44px;
      font-weight: 900;
      color: #E2E8F0;
      line-height: 1;
      margin-bottom: 16px;
    }
    .pillar-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .pillar-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 5. 全场景覆盖展示（交错图文） */
    .scenario-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
      margin-bottom: 60px;
    }
    .scenario-block:last-child {
      margin-bottom: 0;
    }
    .scenario-block.reverse {
      direction: rtl;
    }
    .scenario-block.reverse .scenario-info {
      direction: ltr;
    }
    .scenario-media {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }
    .scenario-info h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .scenario-info p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .scenario-points {
      list-style: none;
    }
    .scenario-points li {
      font-size: 14px;
      color: var(--text-body);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .scenario-points li::before {
      content: '✔';
      color: var(--accent);
      font-weight: bold;
    }

    /* 6. 核心优势深度矩阵 (6卡网格) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
    }
    .feature-card:hover {
      border-color: var(--secondary);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .feature-icon-box {
      width: 44px;
      height: 44px;
      background: var(--secondary-light);
      color: var(--secondary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      margin-bottom: 20px;
    }
    .feature-card h3 {
      font-size: 18px;
      color: var(--text-main);
      margin-bottom: 12px;
      font-weight: 700;
    }
    .feature-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 7. 套件方案对比 */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .product-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 30px;
      position: relative;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .product-card.featured {
      border: 2px solid var(--accent);
      box-shadow: var(--shadow-lg);
    }
    .product-badge {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--accent);
      color: #FFFFFF;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
    }
    .product-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .product-desc {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 42px;
    }
    .product-list {
      list-style: none;
      margin-bottom: 30px;
      flex-grow: 1;
    }
    .product-list li {
      font-size: 14px;
      color: var(--text-body);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .product-list li::before {
      content: '●';
      color: var(--accent);
      font-size: 10px;
    }

    /* 8. 奖励与任务进度感 */
    .task-progress-box {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      padding: 36px;
      border: 1px solid var(--border-color);
      margin-bottom: 40px;
    }
    .step-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      position: relative;
      gap: 20px;
    }
    .step-timeline::before {
      content: '';
      position: absolute;
      top: 24px;
      left: 10%;
      right: 10%;
      height: 2px;
      background: #E2E8F0;
      z-index: 1;
    }
    .step-item {
      text-align: center;
      position: relative;
      z-index: 2;
    }
    .step-circle {
      width: 48px;
      height: 48px;
      background: var(--bg-white);
      border: 2px solid var(--accent);
      color: var(--accent);
      border-radius: 50%;
      margin: 0 auto 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
      box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.1);
    }
    .step-item h4 {
      font-size: 16px;
      color: var(--text-main);
      margin-bottom: 8px;
      font-weight: 700;
    }
    .step-item p {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 9. 深色拓扑流与治理理念 */
    .topology-flow {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 40px;
      text-align: center;
    }
    .topology-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      align-items: center;
      gap: 16px;
      margin-top: 30px;
    }
    .topology-node {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-sm);
      padding: 20px 14px;
    }
    .topology-node h5 {
      font-size: 15px;
      color: #FFFFFF;
      margin-bottom: 6px;
    }
    .topology-node p {
      font-size: 12px;
      color: #94A3B8;
    }
    .topology-arrow {
      font-size: 20px;
      color: var(--accent);
      font-weight: bold;
    }

    /* 10. 工作室标杆案例 */
    .case-story-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      display: grid;
      grid-template-columns: 1fr 1fr;
      overflow: hidden;
    }
    .case-story-card .case-img {
      height: 100%;
      min-height: 380px;
      background-size: cover;
      background-position: center;
    }
    .case-story-body {
      padding: 48px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .case-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--secondary);
      text-transform: uppercase;
      margin-bottom: 12px;
    }
    .case-story-body h3 {
      font-size: 24px;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }
    .case-story-body p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .case-stats {
      display: flex;
      gap: 30px;
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
    }
    .case-stat-num {
      font-size: 26px;
      font-weight: 800;
      color: var(--accent);
    }
    .case-stat-label {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 11. 制作人与策划评价 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testimonial-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      position: relative;
    }
    .testimonial-quote {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 24px;
      font-style: italic;
    }
    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .author-avatar {
      width: 46px;
      height: 46px;
      background: #E2E8F0;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      color: var(--text-body);
      flex-shrink: 0;
    }
    .author-info h4 {
      font-size: 15px;
      color: var(--text-main);
      font-weight: 700;
    }
    .author-info p {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 12. 行业资讯摘要 */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .insight-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .insight-thumb {
      height: 190px;
      overflow: hidden;
    }
    .insight-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .insight-card:hover .insight-thumb img {
      transform: scale(1.05);
    }
    .insight-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .insight-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .insight-content h3 {
      font-size: 17px;
      color: var(--text-main);
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 12px;
    }
    .insight-content p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .insight-link {
      font-size: 13px;
      color: var(--secondary);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 13. FAQ 手风琴 */
    .faq-container {
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: var(--accent);
    }
    .faq-header {
      padding: 20px 24px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      user-select: none;
    }
    .faq-icon {
      font-size: 18px;
      color: var(--text-muted);
      transition: transform 0.3s ease;
    }
    .faq-body {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      display: none;
    }
    .faq-item.active .faq-body {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: var(--accent);
    }

    /* 14. 转化表单与落地保障 */
    .cta-card {
      background: linear-gradient(135deg, var(--primary) 0%, #1e293b 100%);
      border-radius: var(--radius-md);
      padding: 60px 48px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 50px;
      align-items: center;
      border: 1px solid var(--border-dark);
      box-shadow: var(--shadow-lg);
    }
    .cta-info h2 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-info p {
      font-size: 15px;
      color: #CBD5E1;
      margin-bottom: 24px;
      line-height: 1.7;
    }
    .guarantee-badges {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .guarantee-badge {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: #94A3B8;
      background: rgba(255, 255, 255, 0.06);
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .cta-form {
      background: #FFFFFF;
      padding: 32px;
      border-radius: var(--radius-sm);
      color: var(--text-main);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-body);
    }
    .form-group input, .form-group select {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
    }
    .form-group input:focus, .form-group select:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px var(--accent-glow);
    }

    /* 底部固定转化浮条 */
    .fixed-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(12px);
      border-top: 1px solid var(--border-dark);
      padding: 12px 0;
      z-index: 99;
      transform: translateY(100%);
      transition: transform 0.3s ease-in-out;
    }
    .fixed-bar.show {
      transform: translateY(0);
    }
    .fixed-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .fixed-bar-text {
      color: #FFFFFF;
      font-size: 14px;
      font-weight: 500;
    }
    .fixed-bar-text span {
      color: var(--accent);
      font-weight: 700;
    }

    /* 页脚 */
    footer.site-footer {
      background: var(--primary-dark);
      color: #94A3B8;
      padding: 70px 0 30px;
      border-top: 1px solid var(--border-dark);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-col h4 {
      color: #FFFFFF;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 12px;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-brand p {
      margin-top: 14px;
      line-height: 1.7;
      font-size: 13px;
    }
    .footer-contact li {
      display: flex;
      gap: 8px;
      margin-bottom: 12px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 38px; }
      .pillars-grid, .features-grid, .product-grid, .insights-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenario-block, .overview-grid, .case-story-card, .cta-card {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .scenario-block.reverse { direction: ltr; }
      .topology-grid { grid-template-columns: 1fr; gap: 12px; }
      .topology-arrow { transform: rotate(90deg); margin: 6px 0; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .hero-title { font-size: 30px; }
      .countdown-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
      .count-item { border-right: none; }
      .pillars-grid, .features-grid, .product-grid, .insights-grid, .testimonials-grid {
        grid-template-columns: 1fr;
      }
      .step-timeline { grid-template-columns: 1fr; gap: 24px; }
      .step-timeline::before { display: none; }
      .case-story-card .case-img { min-height: 220px; }
      .case-story-body { padding: 24px; }
      .cta-card { padding: 30px 20px; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
      .fixed-bar-text { display: none; }
      .fixed-bar-inner { justify-content: center; width: 100%; }
      .fixed-bar .btn { width: 100%; }
    }