/* roulang page: index */
:root {
      --primary-color: #0F62FE;
      --primary-hover: #0043CE;
      --dark-navy: #0B192C;
      --bg-light: #F4F7FB;
      --bg-white: #FFFFFF;
      --text-main: #111827;
      --text-muted: #374151;
      --text-secondary: #6B7280;
      --border-color: #E5E7EB;
      --card-radius: 14px;
      --btn-radius: 8px;
      --shadow-soft: 0 4px 20px -2px rgba(15, 98, 254, 0.08);
      --shadow-hover: 0 12px 28px -4px rgba(15, 98, 254, 0.16);
      --transition-smooth: all 0.3s ease;
    }

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-muted);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      color: var(--primary-color);
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    a:hover, a:focus {
      color: var(--primary-hover);
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      height: 72px;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
    }
    .header-inner {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: var(--dark-navy);
      text-decoration: none;
    }
    .brand-logo .logo-icon {
      width: 34px;
      height: 34px;
      background: var(--primary-color);
      color: #fff;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 800;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn-header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 42px;
      padding: 0 20px;
      background: var(--primary-color);
      color: #fff;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--btn-radius);
      border: 1px solid transparent;
      transition: var(--transition-smooth);
    }
    .btn-header-cta:hover {
      background: var(--primary-hover);
      color: #fff;
      transform: translateY(-2px);
    }
    .nav-toggle-btn {
      background: none;
      border: 1px solid var(--border-color);
      border-radius: var(--btn-radius);
      padding: 8px 12px;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--dark-navy);
      transition: var(--transition-smooth);
    }
    .nav-toggle-btn:hover {
      background: var(--bg-light);
      border-color: var(--primary-color);
    }

    /* 全屏抽屉抽屉式导航 */
    .drawer-overlay {
      position: fixed;
      inset: 0;
      background: rgba(11, 25, 44, 0.65);
      backdrop-filter: blur(4px);
      z-index: 1050;
      opacity: 0;
      visibility: hidden;
      transition: var(--transition-smooth);
    }
    .drawer-panel {
      position: fixed;
      top: 0;
      right: -420px;
      width: 380px;
      max-width: 85vw;
      height: 100vh;
      background: #FFFFFF;
      z-index: 1060;
      box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
      padding: 32px 28px;
      display: flex;
      flex-direction: column;
      transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .drawer-active .drawer-overlay {
      opacity: 1;
      visibility: visible;
    }
    .drawer-active .drawer-panel {
      right: 0;
    }
    .drawer-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 20px;
      margin-bottom: 24px;
    }
    .drawer-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--dark-navy);
    }
    .drawer-close {
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
      color: var(--text-secondary);
      line-height: 1;
      padding: 4px;
    }
    .drawer-nav-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
      overflow-y: auto;
    }
    .drawer-nav-link {
      display: flex;
      align-items: center;
      padding: 12px 16px;
      border-radius: 8px;
      color: var(--text-main);
      font-weight: 600;
      font-size: 15px;
      transition: var(--transition-smooth);
    }
    .drawer-nav-link:hover {
      background: var(--bg-light);
      color: var(--primary-color);
      transform: translateX(4px);
    }
    .drawer-footer {
      margin-top: auto;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
      font-size: 13px;
      color: var(--text-secondary);
    }

    /* 容器与版块基类 */
    .site-section {
      padding: 90px 0;
      position: relative;
    }
    .section-white {
      background-color: var(--bg-white);
    }
    .section-light {
      background-color: var(--bg-light);
    }
    .section-dark {
      background-color: var(--dark-navy);
      color: #E2E8F0;
    }
    .content-container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .section-header {
      text-align: center;
      max-width: 840px;
      margin: 0 auto 56px auto;
    }
    .section-header.text-left {
      text-align: left;
      margin: 0 0 40px 0;
    }
    .section-badge {
      display: inline-block;
      padding: 6px 14px;
      background: rgba(15, 98, 254, 0.1);
      color: var(--primary-color);
      border-radius: 20px;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .section-dark .section-badge {
      background: rgba(255, 255, 255, 0.12);
      color: #60A5FA;
    }
    .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-subtitle {
      font-size: 16px;
      color: var(--text-secondary);
      line-height: 1.8;
    }
    .section-dark .section-subtitle {
      color: #94A3B8;
    }

    /* 板块1：Hero 首屏搜索与分类 */
    .hero-section {
      padding: 80px 0 100px;
      background: linear-gradient(180deg, #FFFFFF 0%, #F4F7FB 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-bg-overlay {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/a0e1b19b7585d883.png');
      background-size: cover;
      background-position: center;
      opacity: 0.05;
      pointer-events: none;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }
    .hero-title {
      font-size: 44px;
      font-weight: 800;
      color: var(--dark-navy);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-desc {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 36px;
    }
    .hero-search-box {
      max-width: 680px;
      margin: 0 auto 24px;
      background: #FFFFFF;
      padding: 8px;
      border-radius: 12px;
      box-shadow: 0 8px 30px rgba(15, 98, 254, 0.12);
      border: 1px solid rgba(15, 98, 254, 0.2);
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .hero-search-input {
      flex: 1;
      border: none;
      outline: none;
      padding: 10px 16px;
      font-size: 15px;
      color: var(--text-main);
      box-shadow: none;
      margin: 0;
    }
    .hero-search-input:focus {
      border: none;
      box-shadow: none;
      background: transparent;
    }
    .hero-search-btn {
      height: 46px;
      padding: 0 28px;
      background: var(--primary-color);
      color: #FFFFFF;
      font-weight: 600;
      border-radius: 8px;
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition-smooth);
    }
    .hero-search-btn:hover {
      background: var(--primary-hover);
    }
    .hero-quick-tags {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 10px;
      font-size: 13px;
      color: var(--text-secondary);
    }
    .hero-tag-link {
      background: #FFFFFF;
      padding: 4px 12px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      color: var(--text-muted);
      transition: var(--transition-smooth);
    }
    .hero-tag-link:hover {
      border-color: var(--primary-color);
      color: var(--primary-color);
      background: #EEF4FF;
    }

    /* 板块2：痛点分析栅格 */
    .painpoint-card {
      background: var(--bg-white);
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      padding: 30px;
      box-shadow: var(--shadow-soft);
      height: 100%;
      border-top: 4px solid #DC2626;
      transition: var(--transition-smooth);
    }
    .painpoint-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .painpoint-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: #DC2626;
      background: #FEE2E2;
      padding: 3px 10px;
      border-radius: 4px;
      margin-bottom: 14px;
    }
    .painpoint-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .painpoint-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块3：产品架构与合规认证 */
    .overview-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .overview-media {
      position: relative;
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-color);
    }
    .overview-content h3 {
      font-size: 26px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }
    .overview-feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 24px;
    }
    .overview-feature-item {
      display: flex;
      gap: 12px;
      font-size: 14px;
    }
    .overview-bullet {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: rgba(15, 98, 254, 0.15);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 12px;
      flex-shrink: 0;
      margin-top: 3px;
    }

    /* 板块4：核心能力 6 卡片网格 */
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .adv-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 32px 26px;
      transition: var(--transition-smooth);
      display: flex;
      flex-direction: column;
    }
    .adv-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(15, 98, 254, 0.4);
    }
    .adv-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: #EEF4FF;
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .adv-card h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .adv-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块5：应用场景与方案卡片 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .solution-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      transition: var(--transition-smooth);
    }
    .solution-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .solution-thumb {
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .solution-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .solution-card:hover .solution-thumb img {
      transform: scale(1.05);
    }
    .solution-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .solution-badge {
      display: inline-block;
      align-self: flex-start;
      font-size: 12px;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 4px;
      background: #EEF4FF;
      color: var(--primary-color);
      margin-bottom: 12px;
    }
    .solution-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .solution-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex: 1;
    }
    .solution-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-color);
    }

    /* 板块6：方法步骤横向时间轴 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .process-step {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 28px 22px;
      position: relative;
      transition: var(--transition-smooth);
    }
    .process-step:hover {
      border-color: var(--primary-color);
      transform: translateY(-4px);
    }
    .step-number {
      width: 36px;
      height: 36px;
      background: var(--primary-color);
      color: #FFFFFF;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
      margin-bottom: 16px;
    }
    .step-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .step-desc {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* 板块7：深色技术底座区 */
    .tech-specs-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .tech-spec-box {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--card-radius);
      padding: 28px;
      transition: var(--transition-smooth);
    }
    .tech-spec-box:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(96, 165, 250, 0.4);
    }
    .tech-spec-box h4 {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 12px;
    }
    .tech-spec-box p {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.7;
    }

    /* 板块8：关键数据指标统计 */
    .metrics-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 32px 20px;
      text-align: center;
      box-shadow: var(--shadow-soft);
      transition: var(--transition-smooth);
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary-color);
    }
    .metric-value {
      font-size: 38px;
      font-weight: 800;
      color: var(--primary-color);
      line-height: 1.1;
      margin-bottom: 8px;
      font-feature-settings: "tnum";
    }
    .metric-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .metric-desc {
      font-size: 12px;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    /* 板块9：成功故事与实测对比 */
    .case-container {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 40px;
      box-shadow: var(--shadow-soft);
    }
    .case-title {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .case-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .case-stats {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .case-stat-item {
      background: var(--bg-light);
      padding: 16px;
      border-radius: 10px;
      border-left: 3px solid var(--primary-color);
    }
    .case-stat-num {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .case-stat-text {
      font-size: 12px;
      color: var(--text-secondary);
    }

    /* 板块10：专家与发行商评价 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 28px;
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition-smooth);
    }
    .testi-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .testi-quote {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 20px;
      font-style: italic;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }
    .testi-avatar-placeholder {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #E0E7FF;
      color: var(--primary-color);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }
    .testi-info h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 2px;
    }
    .testi-info p {
      font-size: 12px;
      color: var(--text-secondary);
      margin: 0;
    }

    /* 板块11：动态资讯摘要 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      transition: var(--transition-smooth);
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .news-card-media {
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .news-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-card-media img {
      transform: scale(1.05);
    }
    .news-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .news-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 12px;
      color: var(--text-secondary);
      margin-bottom: 12px;
    }
    .news-tag {
      padding: 2px 8px;
      background: #EEF4FF;
      color: var(--primary-color);
      border-radius: 4px;
      font-weight: 600;
    }
    .news-card-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .news-card-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex: 1;
    }
    .news-card-action {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-color);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块12：FAQ 手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--transition-smooth);
    }
    .faq-item:hover {
      border-color: rgba(15, 98, 254, 0.4);
    }
    .faq-question {
      width: 100%;
      padding: 20px 24px;
      background: none;
      border: none;
      text-align: left;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
    }
    .faq-toggle-icon {
      font-size: 18px;
      color: var(--primary-color);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      display: none;
      padding: 0 24px 22px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* 板块13：底部聚合 CTA */
    .cta-container {
      background: linear-gradient(135deg, #0B192C 0%, #152A4A 100%);
      border-radius: 20px;
      padding: 60px 40px;
      text-align: center;
      box-shadow: 0 20px 40px rgba(11, 25, 44, 0.25);
      border: 1px solid rgba(255, 255, 255, 0.1);
      position: relative;
      overflow: hidden;
    }
    .cta-container::before {
      content: "";
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(15, 98, 254, 0.2) 0%, transparent 60%);
      pointer-events: none;
    }
    .cta-title {
      font-size: 32px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
      position: relative;
    }
    .cta-desc {
      font-size: 16px;
      color: #CBD5E1;
      max-width: 660px;
      margin: 0 auto 36px;
      line-height: 1.8;
      position: relative;
    }
    .cta-form-row {
      max-width: 580px;
      margin: 0 auto;
      display: flex;
      gap: 12px;
      position: relative;
      z-index: 2;
    }
    .cta-input {
      flex: 1;
      height: 50px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
      padding: 0 18px;
      font-size: 14px;
      outline: none;
    }
    .cta-input::placeholder {
      color: #94A3B8;
    }
    .cta-input:focus {
      border-color: #60A5FA;
      background: rgba(255, 255, 255, 0.12);
    }
    .cta-btn-submit {
      height: 50px;
      padding: 0 28px;
      background: var(--primary-color);
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      transition: var(--transition-smooth);
      white-space: nowrap;
    }
    .cta-btn-submit:hover {
      background: var(--primary-hover);
      box-shadow: 0 4px 14px rgba(15, 98, 254, 0.4);
    }

    /* 全局统一页脚 */
    .site-footer {
      background-color: var(--dark-navy);
      color: #94A3B8;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 70px 0 30px;
      font-size: 13px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand-title {
      font-size: 20px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-brand-desc {
      line-height: 1.8;
      color: #94A3B8;
      max-width: 360px;
    }
    .footer-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
    }
    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links-list a {
      color: #94A3B8;
      transition: var(--transition-smooth);
    }
    .footer-links-list a:hover {
      color: #FFFFFF;
      padding-left: 4px;
    }
    .footer-contact-item {
      margin-bottom: 12px;
      line-height: 1.6;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }
    .footer-copyright {
      color: #64748B;
    }
    .footer-icp {
      color: #64748B;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .advantages-grid,
      .solutions-grid,
      .tech-specs-grid,
      .testimonials-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-bar-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .site-section {
        padding: 56px 0;
      }
      .hero-title {
        font-size: 28px;
      }
      .overview-grid,
      .case-container {
        grid-template-columns: 1fr;
      }
      .advantages-grid,
      .solutions-grid,
      .tech-specs-grid,
      .testimonials-grid,
      .news-grid,
      .process-timeline,
      .metrics-bar-grid {
        grid-template-columns: 1fr;
      }
      .hero-search-box {
        flex-direction: column;
        padding: 12px;
      }
      .hero-search-btn {
        width: 100%;
      }
      .cta-form-row {
        flex-direction: column;
      }
      .cta-btn-submit {
        width: 100%;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }