/* roulang page: index */
:root {
      --primary: #1E40AF;
      --primary-hover: #1D4ED8;
      --primary-light: #EFF6FF;
      --accent-blue: #2563EB;
      --sky: #38BDF8;
      --orange: #F97316;
      --orange-hover: #EA580C;
      --dark-navy: #0F172A;
      --navy-card: #1E293B;
      --bg-main: #F8FAFC;
      --bg-alt: #F1F5F9;
      --text-main: #0F172A;
      --text-sub: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 12px 24px -4px rgba(30, 64, 175, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 16px;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
      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-main);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: all 0.25s ease; }
    img { max-width: 100%; height: auto; display: block; }
    ul, ol { list-style: none; }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .section-spacing {
      padding: 86px 0;
    }
    .section-alt {
      background-color: var(--bg-alt);
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 52px;
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 5px 14px;
      background-color: var(--primary-light);
      color: var(--primary);
      border-radius: 9999px;
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 14px;
      border: 1px solid #DBEAFE;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 顶部双行导航条 */
    .top-bar {
      background-color: #F1F5F9;
      height: 38px;
      border-bottom: 1px solid #E2E8F0;
      font-size: 0.82rem;
      color: var(--text-sub);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 100%;
    }
    .top-bar-left { display: flex; align-items: center; gap: 16px; }
    .top-bar-right { display: flex; align-items: center; gap: 20px; }
    .top-tag { color: var(--primary); font-weight: 600; }

    .main-nav-wrapper {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .logo-box {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent-blue) 100%);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 1.2rem;
      box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
    }
    .logo-text-wrap {
      display: flex;
      flex-direction: column;
    }
    .logo-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--dark-navy);
      line-height: 1.1;
      letter-spacing: -0.5px;
    }
    .logo-subtitle {
      font-size: 0.75rem;
      color: var(--text-muted);
      font-weight: 500;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 26px;
    }
    .nav-link {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-sub);
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--primary);
      border-radius: 2px;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
      cursor: pointer;
      border: 1px solid transparent;
      font-size: 0.95rem;
      text-align: center;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #fff;
      box-shadow: 0 4px 12px rgba(30, 64, 175, 0.2);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
    }
    .btn-accent {
      background-color: var(--orange);
      color: #fff;
      box-shadow: 0 4px 14px rgba(249, 115, 22, 0.25);
    }
    .btn-accent:hover {
      background-color: var(--orange-hover);
      transform: translateY(-2px);
    }
    .btn-outline {
      background-color: #fff;
      color: var(--primary);
      border-color: #BFDBFE;
    }
    .btn-outline:hover {
      background-color: var(--primary-light);
      border-color: var(--primary);
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--dark-navy);
      cursor: pointer;
      padding: 6px;
    }

    /* 首屏 Hero：优惠券与专属礼遇集成 */
    .hero-section {
      background: linear-gradient(180deg, #F8FAFC 0%, #EFF6FF 100%);
      padding: 60px 0 80px;
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-coupon-banner {
      background: linear-gradient(135deg, #1E40AF 0%, #1E293B 100%);
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      color: #fff;
      margin-bottom: 48px;
      box-shadow: 0 20px 35px -10px rgba(30, 64, 175, 0.35);
      position: relative;
      overflow: hidden;
    }
    .hero-coupon-banner::after {
      content: "";
      position: absolute;
      right: -30px;
      top: -30px;
      width: 220px;
      height: 220px;
      background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, rgba(255,255,255,0) 70%);
      border-radius: 50%;
    }
    .coupon-inner {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 30px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .coupon-content h2 {
      font-size: 1.6rem;
      font-weight: 800;
      color: #F8FAFC;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .coupon-badge {
      background-color: var(--orange);
      color: #fff;
      font-size: 0.75rem;
      padding: 3px 10px;
      border-radius: 4px;
      font-weight: 700;
    }
    .coupon-content p {
      font-size: 0.96rem;
      color: #CBD5E1;
      max-width: 680px;
      line-height: 1.6;
    }
    .coupon-action {
      text-align: right;
    }
    .coupon-val {
      font-size: 2.3rem;
      font-weight: 900;
      color: #FBBF24;
      line-height: 1;
      margin-bottom: 10px;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-text h1 {
      font-size: 2.6rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--dark-navy);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-desc {
      font-size: 1.08rem;
      color: var(--text-sub);
      line-height: 1.75;
      margin-bottom: 30px;
    }
    .hero-btns {
      display: flex;
      gap: 16px;
      margin-bottom: 32px;
    }
    .hero-features {
      display: flex;
      gap: 20px;
      padding-top: 18px;
      border-top: 1px solid var(--border-color);
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .hero-features span {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .hero-features svg {
      width: 16px;
      height: 16px;
      fill: #10B981;
    }
    .hero-media {
      position: relative;
    }
    .hero-img-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 20px 35px -8px rgba(15, 23, 42, 0.15);
      border: 4px solid #fff;
    }
    .hero-stat-float {
      position: absolute;
      bottom: -20px;
      left: -20px;
      background: #fff;
      padding: 16px 22px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }
    .stat-num {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--primary);
    }
    .stat-lbl {
      font-size: 0.82rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 板块二：品牌故事与系统架构 */
    .brand-story-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .story-img-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      position: relative;
    }
    .story-tag-box {
      position: absolute;
      top: 18px;
      left: 18px;
      background: rgba(15, 23, 42, 0.85);
      color: #fff;
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 0.82rem;
      font-weight: 600;
    }
    .story-text h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--dark-navy);
      margin-bottom: 18px;
      line-height: 1.35;
    }
    .story-text p {
      color: var(--text-sub);
      font-size: 1rem;
      line-height: 1.75;
      margin-bottom: 22px;
    }
    .story-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }
    .spec-item {
      background: #fff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      border-left: 4px solid var(--primary);
    }
    .spec-title {
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .spec-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块三：系列导航与业务矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .matrix-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .matrix-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: #BFDBFE;
    }
    .matrix-icon-wrap {
      width: 52px;
      height: 52px;
      background-color: var(--primary-light);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--primary);
    }
    .matrix-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--dark-navy);
      margin-bottom: 12px;
    }
    .matrix-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .matrix-link {
      color: var(--primary);
      font-weight: 600;
      font-size: 0.9rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .matrix-link:hover {
      gap: 10px;
    }

    /* 板块四：爆款网格方案与版本矩阵 */
    .plans-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      align-items: stretch;
    }
    .plan-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: all 0.3s ease;
    }
    .plan-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
      transform: scale(1.02);
    }
    .plan-featured-tag {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, var(--orange) 0%, #EA580C 100%);
      color: #fff;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 18px;
      border-radius: 9999px;
      letter-spacing: 0.5px;
    }
    .plan-header {
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 24px;
      margin-bottom: 24px;
    }
    .plan-name {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--dark-navy);
      margin-bottom: 8px;
    }
    .plan-target {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }
    .plan-features-list {
      margin-bottom: 30px;
      flex-grow: 1;
    }
    .plan-features-list li {
      font-size: 0.92rem;
      color: var(--text-sub);
      margin-bottom: 12px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .plan-features-list li::before {
      content: "✓";
      color: #10B981;
      font-weight: 900;
    }

    /* 板块五：深色对比专区 - 进销存数字化管控闭环 */
    .dark-flow-section {
      background-color: var(--dark-navy);
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .dark-flow-section .badge-pill {
      background: rgba(56, 189, 248, 0.15);
      color: var(--sky);
      border-color: rgba(56, 189, 248, 0.3);
    }
    .dark-flow-section .section-title {
      color: #fff;
    }
    .dark-flow-section .section-desc {
      color: #94A3B8;
    }
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
      margin-top: 36px;
    }
    .step-card {
      background: rgba(30, 41, 59, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      position: relative;
      transition: all 0.3s ease;
    }
    .step-card:hover {
      border-color: var(--sky);
      transform: translateY(-4px);
    }
    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--accent-blue);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
      margin-bottom: 18px;
    }
    .step-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: #F8FAFC;
    }
    .step-desc {
      font-size: 0.88rem;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 板块六：行业数字化转型实战案例墙 */
    .case-wall-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .case-wall-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }
    .case-wall-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }
    .case-img {
      height: 170px;
      width: 100%;
      object-fit: cover;
    }
    .case-body {
      padding: 20px;
    }
    .case-industry {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 3px 8px;
      border-radius: 4px;
      margin-bottom: 8px;
    }
    .case-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark-navy);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .case-text {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块七：标杆客户深度故事与成效 */
    .story-detail-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 44px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }
    .story-quote {
      font-size: 1.15rem;
      font-style: italic;
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 24px;
      position: relative;
    }
    .story-quote::before {
      content: "“";
      font-size: 3rem;
      color: #93C5FD;
      position: absolute;
      left: -20px;
      top: -24px;
      opacity: 0.5;
    }
    .story-author {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .author-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background-color: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }
    .author-info h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--dark-navy);
    }
    .author-info p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 板块八：运行效能与交付数据统计条 */
    .metrics-bar {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px 20px;
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }
    .metric-col {
      padding: 0 15px;
      border-right: 1px solid var(--border-color);
    }
    .metric-col:last-child {
      border-right: none;
    }
    .metric-value {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
      font-family: Arial, sans-serif;
    }
    .metric-title {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--dark-navy);
      margin-bottom: 4px;
    }
    .metric-sub {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 板块九：用户商业评价与口碑 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .review-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.25s ease;
    }
    .review-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }
    .review-stars {
      color: #F59E0B;
      font-size: 1.1rem;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }
    .review-content {
      font-size: 0.94rem;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 16px;
      border-top: 1px solid #F1F5F9;
    }
    .reviewer-avatar-char {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }
    .reviewer-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--dark-navy);
    }
    .reviewer-role {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 板块十：业务洞察与实操前沿 */
    .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: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }
    .news-cover {
      height: 190px;
      width: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-meta-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }
    .news-cat {
      font-size: 0.76rem;
      font-weight: 700;
      color: var(--primary);
      background-color: var(--primary-light);
      padding: 3px 10px;
      border-radius: 4px;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    .news-card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--dark-navy);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .news-excerpt {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .news-more-btn {
      color: var(--primary);
      font-size: 0.88rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 板块十一：常见疑问手风琴 FAQ */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: all 0.2s ease;
    }
    .faq-header {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      background: #fff;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--dark-navy);
    }
    .faq-header:hover {
      color: var(--primary);
    }
    .faq-icon {
      font-size: 1.25rem;
      font-weight: 400;
      transition: transform 0.25s ease;
      color: var(--text-muted);
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: var(--primary);
    }
    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background-color: #FAFAFA;
      border-top: 1px solid transparent;
    }
    .faq-item.active .faq-body {
      max-height: 250px;
      border-top-color: var(--border-color);
    }
    .faq-content {
      padding: 18px 24px;
      font-size: 0.94rem;
      color: var(--text-sub);
      line-height: 1.7;
    }

    /* 板块十二：选型咨询与专属预约表单 CTA */
    .cta-card {
      background: linear-gradient(135deg, #1E40AF 0%, #0F172A 100%);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      color: #fff;
      box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.4);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .cta-info h3 {
      font-size: 2.1rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      color: #fff;
    }
    .cta-info p {
      font-size: 1.02rem;
      color: #CBD5E1;
      line-height: 1.75;
      margin-bottom: 28px;
    }
    .cta-guarantees {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .cta-guarantee-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.94rem;
      color: #E2E8F0;
    }
    .cta-check-icon {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: rgba(56, 189, 248, 0.2);
      border: 1px solid var(--sky);
      color: var(--sky);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      font-weight: 900;
    }
    .cta-form-box {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 32px 30px;
      color: var(--text-main);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    }
    .cta-form-box h4 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 18px;
      color: var(--dark-navy);
      text-align: center;
    }
    .form-group {
      margin-bottom: 14px;
    }
    .form-label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-sub);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 11px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s;
    }
    .form-control:focus {
      border-color: var(--primary);
    }
    .form-select {
      width: 100%;
      padding: 11px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: var(--text-main);
      background-color: #fff;
      outline: none;
    }
    .form-submit-btn {
      width: 100%;
      padding: 13px;
      margin-top: 10px;
      font-size: 1rem;
      font-weight: 700;
      background: var(--orange);
      color: #fff;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: background 0.2s ease;
    }
    .form-submit-btn:hover {
      background: var(--orange-hover);
    }

    /* 页脚系统 */
    .site-footer {
      background-color: #1E293B;
      color: #CBD5E1;
      padding: 64px 0 30px;
      border-top: 1px solid #334155;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-logo-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-desc {
      font-size: 0.88rem;
      line-height: 1.7;
      color: #94A3B8;
      margin-bottom: 18px;
    }
    .footer-contact-info {
      font-size: 0.88rem;
      color: #CBD5E1;
      line-height: 1.8;
    }
    .footer-col h5 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 10px;
    }
    .footer-col h5::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 28px;
      height: 2px;
      background-color: var(--sky);
    }
    .footer-links-list li {
      margin-bottom: 10px;
    }
    .footer-links-list a {
      font-size: 0.88rem;
      color: #94A3B8;
      transition: color 0.2s ease;
    }
    .footer-links-list a:hover {
      color: #fff;
    }
    .footer-bottom-bar {
      border-top: 1px solid #334155;
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: #94A3B8;
      flex-wrap: wrap;
      gap: 14px;
    }
    .beian-link {
      color: #94A3B8;
      margin-right: 14px;
    }
    .beian-link:hover {
      color: #fff;
    }

    /* 移动端汉堡包侧滑抽屉 */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: rgba(15, 23, 42, 0.6);
      z-index: 2000;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }
    .mobile-drawer.active {
      opacity: 1;
      pointer-events: auto;
    }
    .drawer-content {
      position: absolute;
      right: 0;
      top: 0;
      width: 300px;
      height: 100%;
      background: #fff;
      padding: 30px 24px;
      display: flex;
      flex-direction: column;
      transform: translateX(100%);
      transition: transform 0.3s ease;
      box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    }
    .mobile-drawer.active .drawer-content {
      transform: translateX(0);
    }
    .drawer-close {
      align-self: flex-end;
      font-size: 1.5rem;
      background: none;
      border: none;
      cursor: pointer;
      color: var(--dark-navy);
      padding: 4px;
      line-height: 1;
    }
    .drawer-nav {
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .drawer-nav a {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 6px 0;
      border-bottom: 1px solid #F1F5F9;
    }
    .drawer-nav a:hover {
      color: var(--primary);
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .nav-links, .nav-actions .btn-outline { display: none; }
      .mobile-menu-btn { display: block; }
      .mobile-drawer { display: block; }
      .hero-grid { grid-template-columns: 1fr; }
      .brand-story-grid { grid-template-columns: 1fr; }
      .matrix-grid { grid-template-columns: repeat(2, 1fr); }
      .plans-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
      .flow-steps { grid-template-columns: repeat(2, 1fr); }
      .case-wall-grid { grid-template-columns: repeat(2, 1fr); }
      .story-detail-card { grid-template-columns: 1fr; }
      .metrics-bar { grid-template-columns: repeat(2, 1fr); gap: 30px; }
      .metric-col { border-right: none; }
      .reviews-grid { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .cta-card { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 640px) {
      .top-bar { display: none; }
      .coupon-inner { grid-template-columns: 1fr; text-align: center; }
      .coupon-action { text-align: center; }
      .hero-text h1 { font-size: 1.95rem; }
      .section-title { font-size: 1.7rem; }
      .matrix-grid { grid-template-columns: 1fr; }
      .flow-steps { grid-template-columns: 1fr; }
      .case-wall-grid { grid-template-columns: 1fr; }
      .metrics-bar { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .cta-card { padding: 36px 20px; }
      .story-detail-card { padding: 24px; }
      .hero-stat-float { position: static; margin-top: 14px; }
    }