/* roulang page: index */
:root {
      --primary: #1e40af;
      --primary-dark: #1e3a8a;
      --primary-light: #3b82f6;
      --accent: #0284c7;
      --highlight: #0d9488;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --bg-dark: #0f172a;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #94a3b8;
      --border: #e2e8f0;
      --border-light: #f1f5f9;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.06), 0 2px 4px -1px rgba(0,0,0,0.04);
      --shadow-hover: 0 16px 32px -4px rgba(30, 64, 175, 0.12), 0 6px 12px -2px rgba(30, 64, 175, 0.06);
      --transition: all 0.25s ease-out;
    }
    * {
      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;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.6;
    }
    body {
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .section {
      padding: 88px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-white);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #f8fafc;
    }
    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 56px;
    }
    .section-tag {
      display: inline-block;
      padding: 6px 14px;
      background: rgba(2, 132, 199, 0.1);
      color: var(--primary);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .section-dark .section-tag {
      background: rgba(13, 148, 136, 0.2);
      color: #2dd4bf;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .section-dark .section-title {
      color: #ffffff;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: var(--text-light);
    }
    
    /* Top Bar & Header */
    .top-bar {
      background-color: #0b1329;
      color: #94a3b8;
      font-size: 13px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-links {
      display: flex;
      gap: 20px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border);
      box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 900;
      font-size: 18px;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      gap: 32px;
    }
    .nav-menu a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      padding: 6px 0;
      position: relative;
    }
    .nav-menu a:hover,
    .nav-menu a.active {
      color: var(--primary);
    }
    .nav-menu a.active::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      background: var(--primary);
      color: #fff;
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
    }
    .nav-cta:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 26px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .btn-primary {
      background: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(30, 64, 175, 0.25);
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: rgba(255,255,255,0.9);
      color: var(--primary);
      border-color: var(--border);
    }
    .btn-outline:hover {
      background: #ffffff;
      border-color: var(--primary);
      transform: translateY(-2px);
    }
    .btn-highlight {
      background: var(--highlight);
      color: #ffffff;
    }
    .btn-highlight:hover {
      background: #0f766e;
    }

    /* Hero (直播预告封面 + 开播倒计时 + 提醒订阅) */
    .hero-section {
      background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.92)), url('/assets/images/b74e1d3d2fc29dcb.webp') center/cover no-repeat;
      color: #ffffff;
      padding: 80px 0 90px;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-title {
      font-size: 42px;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-title span {
      background: linear-gradient(90deg, #60a5fa, #2dd4bf);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 16px;
      color: #cbd5e1;
      line-height: 1.7;
      margin-bottom: 28px;
    }
    .hero-tags-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 32px;
    }
    .hero-tag-item {
      background: rgba(255,255,255,0.1);
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 13px;
      color: #e2e8f0;
      border: 1px solid rgba(255,255,255,0.15);
    }
    .live-card {
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(16px);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    }
    .live-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(225, 29, 72, 0.25);
      color: #fda4af;
      border: 1px solid rgba(244, 63, 94, 0.4);
      padding: 4px 12px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .live-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #f43f5e;
      animation: pulse 1.6s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(0.9); opacity: 0.8; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.8; }
    }
    .live-topic {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .live-time-hint {
      font-size: 14px;
      color: #94a3b8;
      margin-bottom: 20px;
    }
    .countdown-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin-bottom: 24px;
    }
    .countdown-box {
      background: rgba(15, 23, 42, 0.6);
      border: 1px solid rgba(255,255,255,0.12);
      padding: 12px 6px;
      border-radius: var(--radius-sm);
      text-align: center;
    }
    .countdown-val {
      font-size: 24px;
      font-weight: 800;
      color: #38bdf8;
      line-height: 1.1;
    }
    .countdown-lbl {
      font-size: 11px;
      color: #94a3b8;
      margin-top: 4px;
    }
    .subscribe-form {
      display: flex;
      gap: 10px;
    }
    .subscribe-input {
      flex: 1;
      padding: 12px 14px;
      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: 14px;
      outline: none;
    }
    .subscribe-input::placeholder {
      color: #94a3b8;
    }
    .subscribe-input:focus {
      border-color: #38bdf8;
    }

    /* 1. 全球覆盖 (Global Coverage) */
    .coverage-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .coverage-card {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .coverage-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--accent);
    }
    .coverage-num {
      font-size: 38px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 8px;
    }
    .coverage-label {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .coverage-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 2. 场景卡 (Scenario Cards) */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .scenario-card {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .scenario-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary-light);
    }
    .scenario-img-wrap {
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .scenario-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .scenario-card:hover .scenario-img-wrap img {
      transform: scale(1.05);
    }
    .scenario-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(8px);
      color: #fff;
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 4px;
      font-weight: 600;
    }
    .scenario-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .scenario-title {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .scenario-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex: 1;
    }
    .scenario-features {
      list-style: none;
      border-top: 1px solid var(--border-light);
      padding-top: 14px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .scenario-features li {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .scenario-features li::before {
      content: '✓';
      color: var(--highlight);
      font-weight: bold;
    }

    /* 3. 本地化能力 (Localization Capabilities) */
    .loc-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }
    .loc-card {
      display: flex;
      gap: 20px;
      background: var(--bg-white);
      border: 1px solid var(--border);
      padding: 28px;
      border-radius: var(--radius-md);
      transition: var(--transition);
    }
    .loc-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }
    .loc-icon {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(30, 64, 175, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      flex-shrink: 0;
      font-weight: bold;
    }
    .loc-content h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .loc-content p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 4. 技术底座与调度架构 (Technical Architecture - Dark) */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .arch-text h3 {
      font-size: 26px;
      font-weight: 700;
      margin-bottom: 18px;
      color: #ffffff;
      line-height: 1.4;
    }
    .arch-text p {
      font-size: 15px;
      color: #94a3b8;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .arch-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }
    .arch-point-item {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 16px;
      border-radius: var(--radius-sm);
    }
    .arch-point-item h4 {
      font-size: 15px;
      font-weight: 600;
      color: #38bdf8;
      margin-bottom: 6px;
    }
    .arch-point-item p {
      font-size: 13px;
      color: #cbd5e1;
      margin: 0;
      line-height: 1.5;
    }
    .arch-media {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0,0,0,0.4);
      border: 1px solid rgba(255,255,255,0.15);
    }

    /* 5. 核心优势矩阵 (Advantages) */
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .adv-card {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      transition: var(--transition);
    }
    .adv-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .adv-number {
      font-size: 22px;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 12px;
    }
    .adv-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .adv-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 6. 客户案例 (Cases) */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }
    .case-item {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
    }
    .case-thumb {
      height: 100%;
      min-height: 220px;
    }
    .case-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-info {
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .case-location {
      font-size: 12px;
      color: var(--primary);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 6px;
    }
    .case-info h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .case-info p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .case-metric {
      display: flex;
      gap: 16px;
      background: var(--bg-light);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
    }
    .metric-val {
      font-weight: 800;
      font-size: 15px;
      color: var(--highlight);
    }
    .metric-lbl {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 7. 案例故事深度卡 (Story Deep Dive) */
    .story-section {
      background: linear-gradient(135deg, #f0fdf4 0%, #f8fafc 100%);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .story-card {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
    }
    .story-content h3 {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .story-quote {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      position: relative;
      padding-left: 20px;
      border-left: 3px solid var(--highlight);
      margin-bottom: 24px;
    }
    .story-steps {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .story-step-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14px;
      color: var(--text-main);
    }
    .step-badge {
      background: var(--primary);
      color: #fff;
      font-size: 11px;
      font-weight: bold;
      padding: 2px 8px;
      border-radius: 4px;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .story-stat-box {
      background: var(--bg-light);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px;
      text-align: center;
    }
    .story-stat-num {
      font-size: 48px;
      font-weight: 900;
      color: var(--highlight);
      line-height: 1;
      margin-bottom: 10px;
    }
    .story-stat-desc {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 8. 资讯 (News / Industry Insights) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .news-thumb {
      height: 170px;
      overflow: hidden;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s;
    }
    .news-card:hover .news-thumb img {
      transform: scale(1.05);
    }
    .news-body {
      padding: 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .news-meta {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 10px;
      display: flex;
      justify-content: space-between;
    }
    .news-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex: 1;
    }
    .news-link {
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 9. 误区澄清 (Misconceptions Clarified) */
    .mis-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .mis-card {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      border-left: 4px solid var(--accent);
    }
    .mis-header {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 16px;
      font-weight: 700;
      color: #e11d48;
      margin-bottom: 8px;
    }
    .mis-body {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .mis-truth {
      margin-top: 10px;
      padding-top: 10px;
      border-top: 1px dashed var(--border);
      color: var(--text-main);
      font-weight: 500;
    }

    /* 10. 参数速览 (Capability Specs) */
    .specs-table-wrap {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .specs-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .specs-table th {
      background: var(--bg-light);
      padding: 16px 20px;
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      border-bottom: 1px solid var(--border);
    }
    .specs-table td {
      padding: 16px 20px;
      font-size: 14px;
      color: var(--text-muted);
      border-bottom: 1px solid var(--border-light);
    }
    .specs-table tr:last-child td {
      border-bottom: none;
    }
    .spec-badge {
      background: rgba(30, 64, 175, 0.1);
      color: var(--primary);
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
    }

    /* 11. 合作伙伴 (Partners Wall) */
    .partner-wall-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
    }
    .partner-item {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      text-align: center;
      padding: 8px;
      transition: var(--transition);
    }
    .partner-item:hover {
      border-color: var(--primary);
      color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    /* 12. 全域保障条 (Guarantee) */
    .guarantee-bar {
      background: linear-gradient(90deg, #1e3a8a, #0f766e);
      color: #ffffff;
      padding: 48px 0;
    }
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .guarantee-icon {
      width: 48px;
      height: 48px;
      background: rgba(255,255,255,0.15);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      flex-shrink: 0;
    }
    .guarantee-item h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .guarantee-item p {
      font-size: 12px;
      color: #e2e8f0;
      line-height: 1.4;
    }

    /* 13. 联系销售 / 转化收口 (Contact / CTA) */
    .cta-container {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
    }
    .cta-info h3 {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-info p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 28px;
    }
    .cta-contact-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
      font-size: 14px;
      color: var(--text-main);
    }
    .cta-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
    }
    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
      font-size: 14px;
      background: var(--bg-light);
      outline: none;
      transition: var(--transition);
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--primary);
      background: #fff;
    }
    .form-textarea {
      resize: vertical;
      min-height: 90px;
    }

    /* Footer */
    .site-footer {
      background-color: #0b1329;
      color: #94a3b8;
      padding: 64px 0 28px;
      border-top: 1px solid rgba(255,255,255,0.08);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      font-size: 18px;
      color: #ffffff;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-brand p {
      font-size: 13px;
      line-height: 1.7;
      color: #64748b;
    }
    .footer-col h5 {
      font-size: 15px;
      color: #ffffff;
      margin-bottom: 18px;
      font-weight: 600;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: #94a3b8;
    }
    .footer-links a:hover {
      color: #38bdf8;
    }
    .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: 13px;
      color: #64748b;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid, .cta-container, .arch-grid, .story-card {
        grid-template-columns: 1fr;
      }
      .coverage-grid, .partner-wall-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .scenarios-grid, .adv-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .case-grid, .mis-grid {
        grid-template-columns: 1fr;
      }
      .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .section {
        padding: 56px 0;
      }
      .top-bar {
        display: none;
      }
      .nav-menu {
        display: none; /* 移动端精简处理 */
      }
      .hero-title {
        font-size: 30px;
      }
      .coverage-grid, .scenarios-grid, .adv-grid, .news-grid, .loc-grid, .guarantee-grid, .partner-wall-grid {
        grid-template-columns: 1fr;
      }
      .case-item {
        grid-template-columns: 1fr;
      }
      .case-thumb {
        height: 180px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .cta-container {
        padding: 24px;
      }
      .story-card {
        padding: 24px;
      }
    }
