/* roulang page: index */
:root {
      --primary: #1A102F;
      --primary-gradient: linear-gradient(135deg, #7928CA 0%, #FF0080 100%);
      --accent-gold: #F5A623;
      --accent-cyan: #00DFD8;
      --surface-bg: #F8F9FC;
      --surface-white: #FFFFFF;
      --dark-section-bg: #0D0618;
      --card-radius: 24px;
      --text-main: #111827;
      --text-muted: #4B5563;
      --text-light: #9CA3AF;
      --border-light: rgba(121, 40, 202, 0.12);
      --border-glass: rgba(255, 255, 255, 0.15);
      --shadow-soft: 0 20px 40px -15px rgba(121, 40, 202, 0.08);
      --shadow-hover: 0 25px 50px -12px rgba(121, 40, 202, 0.18);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

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

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.3s ease;
    }

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Top Utility Bar */
    .top-bar {
      background: #110B20;
      color: #D1D5DB;
      font-size: 0.85rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-badges {
      display: flex;
      gap: 16px;
      align-items: center;
    }
    .top-badge-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent-cyan);
    }

    /* Main Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(26, 16, 47, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      transition: all 0.3s ease;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      background: linear-gradient(135deg, #FFFFFF 0%, #00DFD8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo::before {
      content: "";
      display: inline-block;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--primary-gradient);
    }
    .nav-menu {
      display: flex;
      list-style: none;
      gap: 28px;
      align-items: center;
    }
    .nav-menu a {
      color: #E5E7EB;
      font-size: 0.95rem;
      font-weight: 500;
      position: relative;
      padding: 6px 0;
    }
    .nav-menu a:hover, .nav-menu a.active {
      color: #00DFD8;
    }
    .nav-cta-btn {
      background: var(--primary-gradient);
      color: #FFF !important;
      padding: 10px 24px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.9rem;
      box-shadow: 0 4px 15px rgba(255, 0, 128, 0.3);
      display: inline-block;
    }
    .nav-cta-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 0, 128, 0.45);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: #FFF;
      font-size: 1.5rem;
      cursor: pointer;
    }

    /* Section Baseline */
    .section-block {
      padding: 96px 0;
      position: relative;
    }
    .section-block.bg-alt {
      background-color: #F1F4F9;
    }
    .section-block.bg-dark {
      background-color: var(--dark-section-bg);
      color: #FFF;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 56px auto;
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
      background: rgba(121, 40, 202, 0.08);
      color: #7928CA;
      border: 1px solid rgba(121, 40, 202, 0.2);
    }
    .section-block.bg-dark .section-badge {
      background: rgba(0, 223, 216, 0.1);
      color: var(--accent-cyan);
      border-color: rgba(0, 223, 216, 0.25);
    }
    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1.35;
      color: inherit;
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 1.05rem;
      line-height: 1.8;
      color: var(--text-muted);
    }
    .section-block.bg-dark .section-desc {
      color: #9CA3AF;
    }

    /* Cards and Badges */
    .ui-card {
      background: var(--surface-white);
      border-radius: var(--card-radius);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-soft);
      transition: all 0.35s ease;
      overflow: hidden;
    }
    .ui-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(121, 40, 202, 0.3);
    }
    .dark-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-glass);
      backdrop-filter: blur(10px);
    }
    .dark-card:hover {
      background: rgba(255, 255, 255, 0.07);
      border-color: rgba(0, 223, 216, 0.4);
    }

    /* Buttons */
    .btn-gradient {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 32px;
      background: var(--primary-gradient);
      color: #FFF;
      font-weight: 600;
      border-radius: 50px;
      box-shadow: 0 8px 25px rgba(255, 0, 128, 0.25);
      border: none;
      cursor: pointer;
      font-size: 1rem;
    }
    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(255, 0, 128, 0.4);
      color: #FFF;
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 30px;
      border: 2px solid rgba(255, 255, 255, 0.4);
      color: #FFF;
      font-weight: 600;
      border-radius: 50px;
      background: transparent;
      font-size: 1rem;
    }
    .btn-outline:hover {
      background: #FFF;
      color: var(--primary);
      border-color: #FFF;
    }

    /* 1. Hero: 优惠券墙入口风格 */
    .hero-section {
      background: linear-gradient(180deg, #1A102F 0%, #29154C 100%), url('/assets/images/e7916913d3d05968.png') center/cover no-repeat;
      background-blend-mode: overlay;
      color: #FFF;
      padding: 90px 0 100px;
      position: relative;
    }
    .hero-coupon-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 2.85rem;
      font-weight: 800;
      line-height: 1.25;
      margin: 18px 0;
      background: linear-gradient(135deg, #FFFFFF 30%, #00DFD8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-intro-text {
      font-size: 1.05rem;
      color: #D1D5DB;
      margin-bottom: 30px;
      line-height: 1.8;
    }
    .coupon-ticket-master {
      background: linear-gradient(145deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.03) 100%);
      border: 2px dashed rgba(245, 166, 35, 0.6);
      border-radius: 28px;
      padding: 36px;
      position: relative;
      box-shadow: 0 30px 60px rgba(0,0,0,0.4);
      backdrop-filter: blur(14px);
    }
    .ticket-head {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      border-bottom: 1px dashed rgba(255,255,255,0.2);
      padding-bottom: 20px;
      margin-bottom: 20px;
    }
    .ticket-value {
      font-size: 3rem;
      font-weight: 800;
      color: var(--accent-gold);
    }
    .ticket-value small {
      font-size: 1.2rem;
      margin-left: 4px;
    }
    .ticket-tag {
      background: var(--accent-gold);
      color: #110B20;
      padding: 4px 14px;
      border-radius: 20px;
      font-weight: 700;
      font-size: 0.85rem;
    }
    .ticket-perks {
      list-style: none;
      margin: 20px 0 28px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      color: #F3F4F6;
      font-size: 0.95rem;
    }
    .ticket-perks li::before {
      content: "✦ ";
      color: var(--accent-cyan);
      font-weight: bold;
    }

    /* 2. 资料目录 / 服务分类导航 */
    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .catalog-item {
      padding: 30px 24px;
      background: #FFF;
      border-radius: 20px;
      border: 1px solid rgba(121,40,202,0.1);
      text-align: center;
      transition: all 0.3s;
    }
    .catalog-item:hover {
      background: #1A102F;
      color: #FFF;
      transform: translateY(-5px);
    }
    .catalog-icon {
      font-size: 2.2rem;
      margin-bottom: 14px;
      display: inline-block;
    }
    .catalog-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .catalog-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
    }
    .catalog-item:hover .catalog-desc {
      color: #9CA3AF;
    }

    /* 3. 价值点解析 */
    .value-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .value-card-box {
      padding: 36px 30px;
      position: relative;
    }
    .value-num {
      font-size: 3.5rem;
      font-weight: 900;
      line-height: 1;
      color: rgba(121, 40, 202, 0.12);
      position: absolute;
      top: 24px;
      right: 28px;
    }

    /* 4. 关键图表 / 数据指标看板 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-card {
      padding: 32px 24px;
      text-align: center;
    }
    .metric-value {
      font-size: 2.75rem;
      font-weight: 800;
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin: 10px 0;
    }
    .metric-tag {
      display: inline-block;
      padding: 3px 10px;
      font-size: 0.8rem;
      font-weight: 600;
      border-radius: 12px;
      background: rgba(0, 223, 216, 0.15);
      color: #038a86;
    }

    /* 5. 核心服务矩阵 (6宫格) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .service-card {
      padding: 34px 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-head {
      margin-bottom: 18px;
    }
    .service-head h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-top: 10px;
      color: var(--primary);
    }
    .service-points {
      list-style: none;
      font-size: 0.9rem;
      color: var(--text-muted);
      display: flex;
      flex-direction: column;
      gap: 8px;
      border-top: 1px solid #E5E7EB;
      padding-top: 16px;
      margin-top: 18px;
    }
    .service-points li::before {
      content: "• ";
      color: #FF0080;
      font-weight: bold;
    }

    /* 6. 产品套餐对比选型 (带高亮档) */
    .pricing-table-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }
    .pricing-card {
      background: #FFF;
      border-radius: var(--card-radius);
      padding: 40px 32px;
      border: 1px solid #E5E7EB;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .pricing-card.featured {
      border: 2px solid #7928CA;
      box-shadow: 0 25px 50px -10px rgba(121, 40, 202, 0.25);
      transform: scale(1.04);
      z-index: 2;
    }
    .featured-ribbon {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-gradient);
      color: #FFF;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 16px;
      border-radius: 30px;
    }
    .price-amount {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      margin: 16px 0;
    }
    .price-list {
      list-style: none;
      margin: 20px 0 30px;
      font-size: 0.95rem;
      color: var(--text-muted);
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .price-list li {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 7. 暗色调落地对比 (前后蜕变) */
    .comparison-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .compare-box {
      padding: 36px;
      border-radius: 20px;
    }
    .compare-box.old-state {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .compare-box.new-state {
      background: linear-gradient(145deg, rgba(121, 40, 202, 0.25) 0%, rgba(255, 0, 128, 0.15) 100%);
      border: 1px solid rgba(0, 223, 216, 0.4);
    }
    .compare-title {
      font-size: 1.4rem;
      font-weight: 700;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    /* 8. 实施里程碑 / 四步标准流 */
    .timeline-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      padding: 30px 24px;
      background: #FFF;
      border-radius: 20px;
      border-top: 4px solid #7928CA;
    }
    .step-num {
      display: inline-block;
      width: 40px;
      height: 40px;
      line-height: 40px;
      text-align: center;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #FFF;
      font-weight: 800;
      margin-bottom: 16px;
    }

    /* 9. 真实访谈与案例故事 */
    .story-container {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 40px;
      align-items: center;
    }
    .story-image {
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-hover);
    }
    .story-content {
      padding: 20px;
    }
    .story-quote {
      font-size: 1.25rem;
      font-style: italic;
      color: var(--primary);
      margin-bottom: 24px;
      line-height: 1.6;
      border-left: 4px solid #FF0080;
      padding-left: 20px;
    }

    /* 10. 用户口碑评价网格 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars {
      color: #F5A623;
      font-size: 1.1rem;
      margin-bottom: 12px;
    }
    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 20px;
      border-top: 1px solid #F3F4F6;
      padding-top: 16px;
    }
    .avatar-circle {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E0E7FF;
      color: #4F46E5;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* 11. 资讯动态列表 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card-img {
      height: 200px;
      overflow: hidden;
    }
    .news-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s;
    }
    .news-card:hover .news-card-img img {
      transform: scale(1.06);
    }
    .news-body {
      padding: 24px;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    /* 12. 交付保障承诺 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-item {
      text-align: center;
      padding: 30px 20px;
      background: #FFF;
      border-radius: 20px;
      border: 1px solid rgba(121, 40, 202, 0.08);
    }
    .guarantee-badge {
      font-size: 2.2rem;
      margin-bottom: 12px;
    }

    /* 13. 快速解答 FAQ & 领取表单 (综合收口) */
    .contact-faq-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }
    .faq-accordion {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #FFF;
      border-radius: 16px;
      border: 1px solid #E5E7EB;
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 24px;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 0.95rem;
      color: var(--text-muted);
      border-top: 1px solid #F3F4F6;
      padding-top: 14px;
    }
    .form-container {
      background: #FFF;
      border-radius: var(--card-radius);
      padding: 36px;
      border: 1px solid rgba(121, 40, 202, 0.15);
      box-shadow: var(--shadow-hover);
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: 12px;
      border: 1px solid #D1D5DB;
      font-size: 0.95rem;
      outline: none;
      transition: border-color 0.2s;
    }
    .form-control:focus {
      border-color: #7928CA;
      box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.1);
    }

    /* Site Footer */
    .site-footer {
      background: #0A0512;
      color: #9CA3AF;
      padding: 60px 0 30px;
      font-size: 0.9rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);}
    .footer-content {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 16px;
    }
    .footer-desc {
      line-height: 1.8;
      margin-bottom: 18px;
    }
    .footer-links-title {
      color: #FFF;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links-list a:hover {
      color: #00DFD8;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .catalog-grid, .metrics-grid, .timeline-grid, .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid, .pricing-table-grid, .news-grid, .reviews-grid, .value-cards {
        grid-template-columns: repeat(2, 1fr);
      }
      .pricing-card.featured {
        transform: none;
      }
      .footer-content {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #1A102F;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      }
      .nav-menu.show {
        display: flex;
      }
      .hero-coupon-grid, .comparison-wrapper, .story-container, .contact-faq-wrapper {
        grid-template-columns: 1fr;
      }
      .catalog-grid, .metrics-grid, .timeline-grid, .guarantee-grid,
      .services-grid, .pricing-table-grid, .news-grid, .reviews-grid, .value-cards {
        grid-template-columns: 1fr;
      }
      .section-block {
        padding: 60px 0;
      }
      .hero-h1 {
        font-size: 2.1rem;
      }
      .footer-content {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }