/* roulang page: index */
:root {
      --primary: #1E40AF;
      --primary-hover: #1D4ED8;
      --accent: #0EA5E9;
      --accent-hover: #0284C7;
      --success: #059669;
      --bg-main: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0F172A;
      --bg-dark-card: #1E293B;
      --text-title: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --text-light: #F1F5F9;
      --border-color: #E2E8F0;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
      --shadow-lg: 0 16px 36px -6px rgba(30, 64, 175, 0.12);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --transition: all 0.28s ease-in-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-main);
      color: var(--text-body);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      width: 100%;
    }

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

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

    input, select, textarea, button {
      font-family: inherit;
    }

    /* Container */
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* Typography Utilities */
    .section-head {
      margin-bottom: 52px;
      text-align: center;
    }
    .section-head.left {
      text-align: left;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      font-size: 13px;
      font-weight: 600;
      border-radius: var(--radius-full);
      background-color: rgba(14, 165, 233, 0.1);
      color: var(--primary);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .badge-white {
      background: rgba(255, 255, 255, 0.15);
      color: #38BDF8;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-title);
      line-height: 1.35;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.7;
    }
    .section-head.left .section-desc {
      margin-left: 0;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-md);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
      min-height: 48px;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #fff;
      box-shadow: 0 4px 14px rgba(30, 64, 175, 0.25);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 6px 20px rgba(30, 64, 175, 0.35);
      transform: translateY(-2px);
    }
    .btn-accent {
      background-color: var(--accent);
      color: #fff;
      box-shadow: 0 4px 14px rgba(14, 165, 233, 0.3);
    }
    .btn-accent:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
    }
    .btn-outline {
      background-color: transparent;
      border-color: var(--border-color);
      color: var(--text-title);
    }
    .btn-outline:hover {
      background-color: #F1F5F9;
      border-color: #CBD5E1;
    }
    .btn-outline-white {
      background-color: transparent;
      border-color: rgba(255, 255, 255, 0.3);
      color: #fff;
    }
    .btn-outline-white:hover {
      background-color: rgba(255, 255, 255, 0.1);
      border-color: #fff;
    }

    /* Header Nav */
    .topbar {
      background: #0B132B;
      color: #94A3B8;
      font-size: 12px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .topbar-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .topbar-meta {
      display: flex;
      gap: 20px;
    }
    .main-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: var(--transition);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .logo-area {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .logo-badge {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      width: 34px;
      height: 34px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      font-weight: 900;
      font-size: 16px;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      gap: 28px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      padding: 6px 0;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

    /* Section Global */
    section {
      padding: 86px 0;
      position: relative;
    }
    .section-light {
      background-color: var(--bg-white);
    }
    .section-gray {
      background-color: var(--bg-main);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #fff;
    }

    /* 1. Hero: 落地申请与首屏视觉 */
    .hero-section {
      position: relative;
      background-image: linear-gradient(to right, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.72)), url('/assets/images/620717191f2a8a72.jpg');
      background-size: cover;
      background-position: center;
      color: #fff;
      padding: 96px 0 100px;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-title {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-highlight {
      color: #38BDF8;
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.75;
      color: #CBD5E1;
      margin-bottom: 30px;
    }
    .hero-badges-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 32px;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(8px);
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 13px;
      color: #E2E8F0;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      align-items: center;
    }
    /* 首屏表单卡片 (试用申请落地) */
    .hero-form-card {
      background: rgba(255, 255, 255, 0.98);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
      color: var(--text-body);
    }
    .form-card-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .form-card-sub {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 22px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-title);
      margin-bottom: 6px;
    }
    .form-input {
      width: 100%;
      height: 44px;
      padding: 0 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      background: #F8FAFC;
      transition: var(--transition);
    }
    .form-input:focus {
      outline: none;
      border-color: var(--accent);
      background: #FFF;
      box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
    }

    /* 2. 倒计时与限时权益条 */
    .countdown-bar {
      background: #FFFFFF;
      border-bottom: 1px solid var(--border-color);
      padding: 24px 0;
      box-shadow: var(--shadow-sm);
    }
    .countdown-wrap {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }
    .countdown-info {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .countdown-icon {
      width: 44px;
      height: 44px;
      background: rgba(14, 165, 233, 0.1);
      color: var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 18px;
    }
    .countdown-text-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-title);
    }
    .countdown-text-desc {
      font-size: 13px;
      color: var(--text-muted);
    }
    .timer-units {
      display: flex;
      gap: 8px;
      align-items: center;
    }
    .timer-box {
      background: var(--bg-dark);
      color: #fff;
      font-weight: 700;
      font-size: 18px;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      min-width: 44px;
      text-align: center;
    }
    .timer-colon {
      font-weight: 700;
      color: var(--text-title);
    }

    /* 3. 卖点三连 / 活动亮点墙 */
    .triad-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .triad-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .triad-card:hover {
      box-shadow: var(--shadow-lg);
      border-color: rgba(14, 165, 233, 0.4);
      transform: translateY(-4px);
    }
    .triad-icon-box {
      width: 54px;
      height: 54px;
      border-radius: var(--radius-md);
      background: rgba(30, 64, 175, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 22px;
    }
    .triad-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 12px;
    }
    .triad-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 4. 礼包与核心权益模块 */
    .benefits-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .benefit-item {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 28px 24px;
      border: 1px solid var(--border-color);
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .benefit-item:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
    }
    .benefit-val {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .benefit-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .benefit-detail {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 5. 流程步骤 / 玩法步骤 */
    .steps-flow {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 28px 22px;
      border: 1px solid var(--border-color);
      position: relative;
    }
    .step-num {
      width: 32px;
      height: 32px;
      background: var(--primary);
      color: #fff;
      font-size: 14px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      margin-bottom: 16px;
    }
    .step-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .step-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 6. 产品矩阵与奖励预览 (套餐对比) */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .price-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .price-card.featured {
      border: 2px solid var(--accent);
      box-shadow: var(--shadow-lg);
      transform: scale(1.03);
    }
    .featured-ribbon {
      position: absolute;
      top: -14px;
      right: 28px;
      background: linear-gradient(90deg, var(--accent), var(--primary));
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 10px rgba(14, 165, 233, 0.3);
    }
    .price-name {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 6px;
    }
    .price-target {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .price-tag {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 24px;
    }
    .price-tag small {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 400;
    }
    .price-features {
      list-style: none;
      margin-bottom: 30px;
      flex-grow: 1;
    }
    .price-features li {
      font-size: 14px;
      color: var(--text-body);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .price-features li::before {
      content: '✔';
      color: var(--success);
      font-size: 13px;
      font-weight: 800;
    }

    /* 7. 深色全景理念与业财深度流 (#philosophy) */
    .philosophy-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .dark-card-box {
      background: var(--bg-dark-card);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-lg);
      padding: 32px;
    }
    .philosophy-points {
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .ph-point-item {
      display: flex;
      gap: 14px;
    }
    .ph-icon {
      width: 32px;
      height: 32px;
      background: rgba(14, 165, 233, 0.2);
      color: #38BDF8;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-weight: 700;
    }

    /* 8. 场景演示 (制造 vs 电商) */
    .scenario-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 52px;
      align-items: center;
      margin-bottom: 64px;
    }
    .scenario-block:last-child {
      margin-bottom: 0;
    }
    .scenario-block.reverse {
      direction: rtl;
    }
    .scenario-block.reverse .scenario-content {
      direction: ltr;
    }
    .scenario-img-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }
    .scenario-img-wrap img {
      width: 100%;
      height: 340px;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .scenario-img-wrap:hover img {
      transform: scale(1.03);
    }
    .scenario-content h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 16px;
    }
    .scenario-content p {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .scenario-feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .scenario-feature-list li {
      font-size: 14px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 9. 量化成果数据条 (#metrics) */
    .metrics-bar {
      background: linear-gradient(135deg, #1E3A8A 0%, #1E40AF 100%);
      color: #fff;
      padding: 60px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .metric-value {
      font-size: 44px;
      font-weight: 800;
      color: #38BDF8;
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-label {
      font-size: 16px;
      font-weight: 600;
      color: #F8FAFC;
      margin-bottom: 4px;
    }
    .metric-sub {
      font-size: 13px;
      color: #93C5FD;
    }

    /* 10. 口碑与审计主管评价 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-stars {
      color: #F59E0B;
      font-size: 16px;
      margin-bottom: 16px;
    }
    .testi-quote {
      font-size: 14px;
      line-height: 1.7;
      color: var(--text-body);
      margin-bottom: 24px;
      font-style: italic;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .testi-avatar-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .testi-meta h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-title);
    }
    .testi-meta p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 11. 财税动态与行业政策证据 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .news-img {
      height: 180px;
      width: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .news-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 12. 异议拆解与 FAQ 原生手风琴 */
    .faq-container {
      max-width: 840px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item details {
      width: 100%;
    }
    .faq-item summary {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-title);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary::after {
      content: '+';
      font-size: 20px;
      font-weight: 400;
      color: var(--text-muted);
      transition: transform 0.2s ease;
    }
    .faq-item details[open] summary::after {
      transform: rotate(45deg);
    }
    .faq-content {
      padding: 0 24px 22px 24px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }

    /* 保障条条目 */
    .guarantee-bar {
      background: #F1F5F9;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 40px 0;
    }
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .guarantee-icon {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      color: var(--primary);
      box-shadow: var(--shadow-sm);
      flex-shrink: 0;
    }
    .guarantee-text h6 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-title);
    }
    .guarantee-text p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 落地页转化收尾表单 (#apply-form) */
    .cta-banner-section {
      background-image: linear-gradient(135deg, #1E40AF 0%, #0F172A 100%);
      color: #fff;
      padding: 80px 0;
    }
    .cta-form-box {
      max-width: 780px;
      margin: 0 auto;
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
      color: var(--text-body);
    }
    .cta-form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 24px;
    }

    /* 底部贴底微型转化条 (Floating Bar) */
    .floating-cta-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(8px);
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      padding: 12px 24px;
      z-index: 998;
      box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .floating-info {
      display: flex;
      align-items: center;
      gap: 16px;
      color: #fff;
    }
    .floating-text-main {
      font-weight: 700;
      font-size: 15px;
      color: #38BDF8;
    }
    .floating-text-sub {
      font-size: 13px;
      color: #CBD5E1;
    }

    /* Footer */
    footer {
      background: #0B132B;
      color: #94A3B8;
      padding: 64px 0 96px;
      font-size: 13px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-logo {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
      display: inline-block;
    }
    .footer-about {
      line-height: 1.7;
      color: #94A3B8;
      margin-bottom: 20px;
    }
    .footer-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #38BDF8;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .triad-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .benefits-grid, .steps-flow {
        grid-template-columns: repeat(2, 1fr);
      }
      .pricing-grid {
        grid-template-columns: 1fr;
      }
      .price-card.featured {
        transform: none;
      }
      .philosophy-wrap {
        grid-template-columns: 1fr;
      }
      .scenario-block, .scenario-block.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .testimonials-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .topbar {
        display: none;
      }
      .nav-menu {
        display: none; /* 移动端精简处理，直接保留主CTA */
      }
      .section-title {
        font-size: 26px;
      }
      .hero-title {
        font-size: 30px;
      }
      .triad-grid, .benefits-grid, .steps-flow, .metrics-grid, .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .cta-form-grid {
        grid-template-columns: 1fr;
      }
      .floating-text-sub {
        display: none;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }