/* roulang page: index */
:root {
      --primary: #0F172A;
      --primary-light: #1E293B;
      --accent: #00DC82;
      --accent-hover: #00b86b;
      --warning: #FF5500;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0A0F1D;
      --text-main: #0B132B;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
      --shadow-soft: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
      --shadow-hover: 0 12px 30px -4px rgba(15, 23, 42, 0.12);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    body {
      background-color: var(--bg-light);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.7;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    .num-font {
      font-family: "DIN Alternate", "Roboto Mono", monospace, sans-serif;
    }

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

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

    /* 浮动式顶部导航 */
    .header-wrapper {
      position: fixed;
      top: 16px;
      left: 0;
      right: 0;
      z-index: 1000;
      padding: 0 16px;
      pointer-events: none;
    }

    .nav-container {
      max-width: 1200px;
      margin: 0 auto;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(226, 232, 240, 0.85);
      border-radius: var(--radius-full);
      box-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.08);
      pointer-events: auto;
      padding: 6px 12px;
      transition: var(--transition);
    }

    .nav-top-meta {
      display: flex;
      justify-content: flex-end;
      align-items: center;
      gap: 16px;
      font-size: 12px;
      color: var(--text-muted);
      padding: 2px 16px 4px;
      border-bottom: 1px solid rgba(226, 232, 240, 0.6);
      margin-bottom: 4px;
    }

    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .status-dot {
      width: 7px;
      height: 7px;
      background: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(0, 220, 130, 0.2);
    }

    .nav-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 4px 12px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 18px;
      color: var(--primary);
    }

    .brand-icon {
      width: 34px;
      height: 34px;
      background: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 18px;
      font-weight: 900;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 20px;
      list-style: none;
      margin: 0;
    }

    .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-body);
      padding: 6px 10px;
      border-radius: var(--radius-full);
    }

    .nav-link:hover, .nav-link.active {
      color: var(--primary);
      background: rgba(15, 23, 42, 0.05);
    }

    .btn-nav {
      background: var(--primary);
      color: #ffffff;
      padding: 8px 20px;
      font-size: 13px;
      font-weight: 600;
      border-radius: var(--radius-full);
      border: 1px solid var(--primary);
      transition: var(--transition);
      display: inline-block;
    }

    .btn-nav:hover {
      background: var(--accent);
      color: var(--primary);
      border-color: var(--accent);
    }

    /* 按钮规范 */
    .btn-primary {
      background: var(--accent);
      color: var(--primary);
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-full);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(0, 220, 130, 0.35);
      transition: var(--transition);
    }

    .btn-primary:hover {
      background: #00fa94;
      color: var(--primary);
      transform: translateY(-2px);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.15);
      color: #ffffff;
      padding: 12px 26px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-full);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(255, 255, 255, 0.3);
      backdrop-filter: blur(8px);
      transition: var(--transition);
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.25);
      color: #ffffff;
      transform: translateY(-2px);
    }

    .btn-dark {
      background: var(--primary);
      color: #ffffff;
      padding: 12px 26px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-full);
      display: inline-block;
      transition: var(--transition);
    }

    .btn-dark:hover {
      background: var(--primary-light);
      color: var(--accent);
    }

    /* 通用板块与排版 */
    .section-gap {
      padding: 80px 0;
    }

    .section-gap-sm {
      padding: 56px 0;
    }

    .section-dark {
      background-color: var(--bg-dark);
      color: #ffffff;
    }

    .section-white {
      background-color: var(--bg-white);
    }

    .section-alt {
      background-color: #F1F5F9;
    }

    .section-header {
      margin-bottom: 48px;
    }

    .section-header.text-center {
      text-align: center;
    }

    .section-tag {
      display: inline-block;
      background: rgba(0, 220, 130, 0.12);
      color: #059669;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

    .section-dark .section-tag {
      background: rgba(0, 220, 130, 0.18);
      color: var(--accent);
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 16px;
    }

    .section-dark .section-title {
      color: #ffffff;
    }

    .section-lead {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
      line-height: 1.8;
    }

    .section-dark .section-lead {
      color: #94A3B8;
    }

    /* 卡片通用 */
    .feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      height: 100%;
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(0, 220, 130, 0.5);
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(0, 220, 130, 0.1);
      color: #059669;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .feature-card h3, .feature-card h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .feature-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin: 0;
    }

    /* 首屏 Hero：蓝图指定预约到店与时段选择视觉 */
    .hero-section {
      padding-top: 130px;
      padding-bottom: 80px;
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(10, 15, 29, 0.98) 100%),
                  url('/assets/images/ad5c46ea7612895f.jpg') center/cover no-repeat;
      position: relative;
      color: #ffffff;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .hero-h1 {
      font-size: 40px;
      font-weight: 800;
      line-height: 1.28;
      color: #ffffff;
      margin-bottom: 20px;
    }

    .hero-h1 span {
      color: var(--accent);
    }

    .hero-desc {
      font-size: 15px;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 30px;
    }

    .hero-book-card {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    }

    .time-slot-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 8px;
      margin: 16px 0;
    }

    .time-slot-pill {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: #E2E8F0;
      font-size: 12px;
      padding: 8px 4px;
      text-align: center;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
    }

    .time-slot-pill.active {
      background: var(--accent);
      color: var(--primary);
      border-color: var(--accent);
      font-weight: 700;
    }

    .time-slot-pill:hover:not(.active) {
      background: rgba(255, 255, 255, 0.18);
    }

    /* 统计看板 */
    .kpi-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
    }

    .kpi-num {
      font-size: 42px;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .kpi-label {
      font-size: 14px;
      color: #94A3B8;
    }

    .progress-bar-wrap {
      width: 100%;
      height: 6px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-full);
      margin-top: 14px;
      overflow: hidden;
    }

    .progress-bar-fill {
      height: 100%;
      background: var(--accent);
      border-radius: var(--radius-full);
    }

    /* 场景与产品矩阵 */
    .matrix-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      height: 100%;
      transition: var(--transition);
    }

    .matrix-card:hover {
      border-color: var(--accent);
      box-shadow: var(--shadow-hover);
    }

    .matrix-img {
      border-radius: var(--radius-sm);
      width: 100%;
      height: 180px;
      object-fit: cover;
    }

    /* 对比表格 */
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      background: #FFFFFF;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-color);
    }

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      text-align: left;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }

    .compare-table th {
      background: #F8FAFC;
      font-weight: 700;
      color: var(--text-main);
    }

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .compare-highlight {
      background: rgba(0, 220, 130, 0.05);
      color: #059669;
      font-weight: 600;
    }

    .compare-muted {
      color: var(--text-muted);
    }

    /* 里程碑时间线 */
    .timeline-wrap {
      position: relative;
      padding-left: 28px;
      border-left: 2px solid #E2E8F0;
      margin-left: 10px;
    }

    .timeline-node {
      position: relative;
      margin-bottom: 32px;
    }

    .timeline-node:last-child {
      margin-bottom: 0;
    }

    .timeline-dot {
      position: absolute;
      left: -35px;
      top: 4px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--accent);
      border: 3px solid #FFFFFF;
      box-shadow: 0 0 0 2px var(--accent);
    }

    /* 资讯卡片 */
    .insight-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .insight-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .insight-img {
      width: 100%;
      height: 170px;
      object-fit: cover;
    }

    .insight-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .insight-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    /* FAQ 手风琴 */
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-question {
      padding: 18px 24px;
      font-weight: 700;
      font-size: 16px;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-answer {
      padding: 0 24px 18px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 表单组件 */
    .contact-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-color);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-body);
      transition: var(--transition);
      background: #F8FAFC;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--accent);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(0, 220, 130, 0.15);
    }

    /* 页脚 */
    .site-footer {
      background: var(--bg-dark);
      color: #94A3B8;
      padding: 60px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }

    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 18px;
    }

    .footer-link-list {
      list-style: none;
      margin: 0;
    }

    .footer-link-list li {
      margin-bottom: 10px;
    }

    .footer-link-list a:hover {
      color: var(--accent);
    }

    .copyright-bar {
      margin-top: 50px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 12px;
      text-align: center;
      color: #64748B;
    }

    /* 响应式微调 */
    @media (max-width: 1024px) {
      .nav-links {
        display: none;
      }
      .hero-h1 {
        font-size: 32px;
      }
    }

    @media (max-width: 640px) {
      .hero-h1 {
        font-size: 26px;
      }
      .section-title {
        font-size: 24px;
      }
      .time-slot-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-card {
        padding: 24px 16px;
      }
    }