/* roulang page: index */
:root {
      --bg-light: #F4F7F6;
      --bg-white: #FFFFFF;
      --bg-dark: #0A1412;
      --bg-card-dark: #12221F;
      --color-primary: #00A86B;
      --color-primary-dark: #008755;
      --color-deep: #10352E;
      --color-accent: #FF5C00;
      --text-main: #1F2927;
      --text-muted: #5B6B67;
      --text-light: #E2ECE9;
      --border-light: rgba(16, 53, 46, 0.08);
      --border-dark: rgba(0, 168, 107, 0.2);
      --shadow-sm: 0 4px 16px rgba(0, 40, 30, 0.04);
      --shadow-md: 0 10px 30px rgba(0, 40, 30, 0.08);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.6;
      color: var(--text-main);
      background-color: var(--bg-light);
    }

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

    ul, ol {
      list-style: none;
    }

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

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

    /* 辅助条与主导航 */
    .top-bar {
      background-color: var(--color-deep);
      color: #9ab4af;
      font-size: 0.85rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      padding: 8px 0;
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-bar-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .top-bar-dot {
      width: 8px;
      height: 8px;
      background-color: var(--color-primary);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--color-primary);
    }

    .header-main {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
      border-bottom: 1px solid var(--border-light);
    }
    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--color-deep);
      letter-spacing: -0.5px;
    }
    .brand-logo-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-deep));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.2rem;
      font-weight: 900;
      box-shadow: 0 4px 12px rgba(0, 168, 107, 0.3);
    }
    .brand-logo span {
      display: block;
      line-height: 1.2;
    }
    .brand-logo small {
      display: block;
      font-size: 0.72rem;
      font-weight: 600;
      color: var(--color-primary);
      text-transform: uppercase;
      letter-spacing: 1px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-item {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      position: relative;
      padding: 8px 0;
    }
    .nav-item:hover, .nav-item.active {
      color: var(--color-primary);
    }
    .nav-item::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--color-primary);
      transition: var(--transition);
    }
    .nav-item:hover::after, .nav-item.active::after {
      width: 100%;
    }
    .nav-cta {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 0.95rem;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      gap: 8px;
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--color-accent);
      color: #FFFFFF;
      box-shadow: 0 6px 20px rgba(255, 92, 0, 0.25);
    }
    .btn-primary:hover {
      background-color: #e05200;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(255, 92, 0, 0.35);
    }
    .btn-secondary {
      background-color: var(--bg-white);
      color: var(--color-deep);
      border-color: rgba(16, 53, 46, 0.15);
    }
    .btn-secondary:hover {
      background-color: #ebf1ef;
      color: var(--color-primary);
      border-color: var(--color-primary);
      transform: translateY(-2px);
    }
    .btn-emerald {
      background-color: var(--color-primary);
      color: #fff;
    }
    .btn-emerald:hover {
      background-color: var(--color-primary-dark);
      transform: translateY(-2px);
    }
    .btn-outline-white {
      background: transparent;
      color: #fff;
      border-color: rgba(255, 255, 255, 0.3);
    }
    .btn-outline-white:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #fff;
    }

    /* 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: var(--color-deep);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 板块通用规范 */
    .section {
      padding: 90px 0;
      position: relative;
    }
    .section-light {
      background-color: var(--bg-light);
    }
    .section-white {
      background-color: var(--bg-white);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: var(--text-light);
    }
    .section-header {
      margin-bottom: 56px;
      max-width: 760px;
    }
    .section-header.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(0, 168, 107, 0.12);
      color: var(--color-primary);
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .section-badge.badge-dark {
      background: rgba(0, 168, 107, 0.2);
      color: #3fe0a6;
      border: 1px solid rgba(0, 168, 107, 0.3);
    }
    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1.3;
      color: var(--color-deep);
      margin-bottom: 16px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #9ab4af;
    }

    /* 1. 首屏 Hero */
    .hero-section {
      position: relative;
      background: linear-gradient(135deg, rgba(10, 20, 18, 0.94), rgba(16, 53, 46, 0.92)), url('/assets/images/27d63e4d21a8f004.webp') center/cover no-repeat;
      color: #FFFFFF;
      padding: 100px 0 120px;
      overflow: hidden;
    }
    .hero-container {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.2;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }
    .hero-content h1 span {
      background: linear-gradient(90deg, #3FE0A6, #A6F5D0);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-p {
      font-size: 1.1rem;
      color: #CFE2DE;
      margin-bottom: 32px;
      line-height: 1.8;
      max-width: 640px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }
    .hero-trust-bar {
      display: flex;
      align-items: center;
      gap: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      padding-top: 24px;
      font-size: 0.9rem;
      color: #9ab4af;
    }
    .hero-trust-bar strong {
      color: #FFFFFF;
      font-weight: 700;
    }

    /* 首屏右侧业务看板视窗 */
    .hero-board {
      background: rgba(18, 34, 31, 0.85);
      border: 1px solid rgba(0, 168, 107, 0.3);
      backdrop-filter: blur(16px);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    }
    .board-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding-bottom: 16px;
      margin-bottom: 20px;
    }
    .board-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #FFFFFF;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .board-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-bottom: 24px;
    }
    .board-metric {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.06);
      padding: 16px;
      border-radius: var(--radius-sm);
    }
    .board-metric-label {
      font-size: 0.8rem;
      color: #9ab4af;
      margin-bottom: 4px;
    }
    .board-metric-val {
      font-size: 1.5rem;
      font-weight: 800;
      color: #3fe0a6;
      font-family: monospace;
    }
    .board-status-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.85rem;
      color: #cfe2de;
      padding: 8px 12px;
      background: rgba(0, 168, 107, 0.1);
      border-radius: 6px;
    }

    /* 2. 痛点卡片区 */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .pain-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      transition: var(--transition);
      position: relative;
    }
    .pain-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(255, 92, 0, 0.3);
    }
    .pain-icon {
      width: 48px;
      height: 48px;
      background: #FFF3EB;
      color: var(--color-accent);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 20px;
    }
    .pain-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--color-deep);
      margin-bottom: 12px;
    }
    .pain-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. 架构与规范体系 */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .arch-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .arch-specs {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .spec-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
      background: var(--bg-light);
      padding: 20px;
      border-radius: var(--radius-md);
      border-left: 4px solid var(--color-primary);
    }
    .spec-content h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--color-deep);
      margin-bottom: 6px;
    }
    .spec-content p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 4. 核心功能与技术优势矩阵 (3x2) */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 36px 28px;
      transition: var(--transition);
    }
    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--color-primary);
    }
    .feature-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--color-primary);
      text-transform: uppercase;
      letter-spacing: 0.8px;
      margin-bottom: 12px;
      display: block;
    }
    .feature-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--color-deep);
      margin-bottom: 14px;
    }
    .feature-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 5. 热门产品矩阵区 (3 Cards) */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .product-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .product-card:hover {
      box-shadow: 0 16px 40px rgba(0, 40, 30, 0.1);
      transform: translateY(-6px);
    }
    .product-img {
      height: 200px;
      position: relative;
      overflow: hidden;
    }
    .product-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .product-card:hover .product-img img {
      transform: scale(1.05);
    }
    .product-body {
      padding: 30px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .product-body h3 {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--color-deep);
      margin-bottom: 12px;
    }
    .product-body p {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
    }
    .product-list {
      margin-bottom: 24px;
      flex-grow: 1;
    }
    .product-list li {
      position: relative;
      padding-left: 20px;
      font-size: 0.88rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .product-list li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: var(--color-primary);
      font-weight: 900;
    }

    /* 6. 全链路数字化业务流程方法步进 */
    .step-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      position: relative;
      z-index: 2;
    }
    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--color-deep);
      color: #3fe0a6;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 20px;
    }
    .step-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--color-deep);
      margin-bottom: 10px;
    }
    .step-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 7. 深色全景实践案例 */
    .case-banner {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 50px;
      align-items: center;
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 48px;
    }
    .case-media {
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .case-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
    }
    .case-info p {
      font-size: 1rem;
      color: #9ab4af;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .case-stat-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 20px;
    }
    .case-stat-item strong {
      display: block;
      font-size: 1.6rem;
      color: #3fe0a6;
      font-family: monospace;
    }
    .case-stat-item span {
      font-size: 0.8rem;
      color: #cfe2de;
    }

    /* 8. 标杆客户故事区 (双列) */
    .story-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .story-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .story-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }
    .story-tag {
      background: #edf7f4;
      color: var(--color-deep);
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 700;
    }
    .story-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--color-deep);
      margin-bottom: 12px;
    }
    .story-card p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 9. 全网核心运营数据统计条 */
    .metrics-strip {
      background: linear-gradient(135deg, var(--color-deep), #0d2823);
      padding: 60px 0;
      color: #FFFFFF;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-number {
      font-size: 2.8rem;
      font-weight: 900;
      color: #3fe0a6;
      line-height: 1;
      margin-bottom: 10px;
      font-family: monospace;
    }
    .metric-label {
      font-size: 0.95rem;
      color: #cfe2de;
      font-weight: 500;
    }

    /* 10. 行业客户评价 (3列) */
    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-stars {
      color: #FFB800;
      margin-bottom: 16px;
      font-size: 0.95rem;
    }
    .testi-quote {
      font-size: 0.94rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 24px;
      font-style: italic;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-light);
      padding-top: 16px;
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      background: #edf7f4;
      color: var(--color-primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }
    .testi-name {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--color-deep);
    }
    .testi-role {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 11. 适用人群与机构矩阵 (4块) */
    .audience-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .audience-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      transition: var(--transition);
      border-top: 4px solid var(--color-deep);
    }
    .audience-card:hover {
      border-top-color: var(--color-accent);
      transform: translateY(-4px);
      box-shadow: var(--shadow-sm);
    }
    .audience-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--color-deep);
      margin-bottom: 12px;
    }
    .audience-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 12. 前沿资讯卡片 (3列) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .news-img {
      height: 180px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-meta {
      font-size: 0.8rem;
      color: var(--color-primary);
      font-weight: 600;
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--color-deep);
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .news-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .news-link {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--color-deep);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .news-link:hover {
      color: var(--color-primary);
    }

    /* 13. FAQ 手风琴 */
    .faq-container {
      max-width: 840px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
    }
    .faq-btn {
      width: 100%;
      background: none;
      border: none;
      padding: 22px 28px;
      text-align: left;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--color-deep);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .faq-btn:hover {
      color: var(--color-primary);
    }
    .faq-icon {
      font-size: 1.4rem;
      line-height: 1;
      color: var(--color-primary);
      transition: var(--transition);
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-content {
      display: grid;
      grid-template-rows: 0fr;
      transition: grid-template-rows 0.3s ease;
      background: #fafcfb;
    }
    .faq-item.active .faq-content {
      grid-template-rows: 1fr;
    }
    .faq-inner {
      overflow: hidden;
    }
    .faq-body {
      padding: 0 28px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 14. 底部行动转化区 */
    .cta-card {
      background: linear-gradient(135deg, var(--color-deep), #061c16);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      text-align: center;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-dark);
    }
    .cta-card h2 {
      font-size: 2.2rem;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .cta-card p {
      font-size: 1.05rem;
      color: #cfe2de;
      max-width: 680px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }
    .cta-form {
      display: flex;
      justify-content: center;
      gap: 12px;
      max-width: 580px;
      margin: 0 auto;
      flex-wrap: wrap;
    }
    .cta-input {
      flex: 1;
      min-width: 260px;
      padding: 14px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      font-size: 0.95rem;
      outline: none;
    }
    .cta-input::placeholder {
      color: #8da49f;
    }
    .cta-input:focus {
      border-color: var(--color-primary);
      background: rgba(255, 255, 255, 0.12);
    }

    /* 页脚 Footer */
    .footer {
      background: var(--bg-dark);
      color: #9ab4af;
      padding: 80px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h4 {
      font-size: 1.2rem;
      color: #fff;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: #3fe0a6;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 26px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.82rem;
    }

    /* 移动端响应式断点 */
    @media (max-width: 1024px) {
      .hero-container {
        grid-template-columns: 1fr;
      }
      .pain-grid, .audience-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .feature-grid, .product-grid, .testi-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .case-banner {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-links, .nav-cta {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .mobile-menu {
        position: fixed;
        top: 76px;
        left: 0;
        width: 100%;
        background: #fff;
        padding: 24px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        display: none;
        flex-direction: column;
        gap: 16px;
        z-index: 99;
      }
      .mobile-menu.open {
        display: flex;
      }
      .hero-content h1 {
        font-size: 2.2rem;
      }
      .section {
        padding: 60px 0;
      }
      .section-title {
        font-size: 1.8rem;
      }
      .pain-grid, .feature-grid, .product-grid, .step-grid, 
      .story-grid, .testi-grid, .audience-grid, .news-grid, .metrics-grid {
        grid-template-columns: 1fr;
      }
      .arch-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .cta-card {
        padding: 40px 20px;
      }
    }