/* roulang page: index */
:root {
      --primary: #1A56DB;
      --primary-dark: #103D9E;
      --primary-light: #EBF2FE;
      --accent: #FF6B00;
      --accent-hover: #E05E00;
      --dark-slate: #0F172A;
      --dark-card: #1E293B;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 6px -1px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 12px 24px -4px rgba(15, 23, 42, 0.08);
      --shadow-xl: 0 20px 35px -5px rgba(15, 23, 42, 0.12);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.7;
      font-size: 16px;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    button, input, select {
      font-family: inherit;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* TopBar & Header */
    .top-bar {
      background: #F1F5F9;
      border-bottom: 1px solid var(--border-color);
      font-size: 13px;
      color: var(--text-muted);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-links a {
      margin-left: 20px;
      color: var(--text-muted);
    }
    .top-bar-links a:hover {
      color: var(--primary);
    }

    header.main-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      box-shadow: 0 2px 10px rgba(0,0,0,0.05);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-wrap {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 76px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .brand-logo i {
      font-size: 26px;
      color: var(--accent);
    }
    .brand-logo span {
      color: var(--dark-slate);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 28px;
    }
    .nav-item a {
      font-size: 15px;
      font-weight: 500;
      color: #334155;
      padding: 8px 2px;
      position: relative;
    }
    .nav-item a:hover,
    .nav-item a.active {
      color: var(--primary);
    }
    .nav-item a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: var(--primary);
      border-radius: 2px;
    }
    .nav-cta {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 11px 24px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 30px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }
    .btn:hover {
      transform: translateY(-2px);
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      box-shadow: 0 6px 18px rgba(26, 86, 219, 0.45);
    }
    .btn-accent {
      background: var(--accent);
      color: #fff;
      box-shadow: 0 4px 14px rgba(255, 107, 0, 0.35);
    }
    .btn-accent:hover {
      background: var(--accent-hover);
    }
    .btn-outline-white {
      background: transparent;
      border-color: rgba(255,255,255,0.4);
      color: #fff;
    }
    .btn-outline-white:hover {
      background: rgba(255,255,255,0.12);
      border-color: #fff;
    }
    .btn-outline-primary {
      background: #fff;
      border-color: var(--primary);
      color: var(--primary);
    }
    .btn-outline-primary:hover {
      background: var(--primary-light);
    }

    /* Common Section Styles */
    section {
      padding: 85px 0;
      position: relative;
    }
    .section-bg-light {
      background-color: var(--bg-light);
      border-top: 1px solid #EEF2F6;
      border-bottom: 1px solid #EEF2F6;
    }
    .section-bg-dark {
      background-color: var(--dark-slate);
      color: #fff;
    }
    .section-header {
      max-width: 780px;
      margin: 0 auto 50px auto;
      text-align: center;
    }
    .section-tag {
      display: inline-block;
      padding: 5px 14px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      border-radius: 20px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .section-tag.dark-tag {
      background: rgba(26, 86, 219, 0.25);
      color: #93C5FD;
      border: 1px solid rgba(147, 197, 253, 0.3);
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.35;
      color: var(--dark-slate);
      margin-bottom: 16px;
    }
    .section-bg-dark .section-title {
      color: #fff;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.75;
    }
    .section-bg-dark .section-desc {
      color: #94A3B8;
    }

    /* 1. Hero Section (深色信息面板，左侧入口，右侧 faux 数据榜单) */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, #1e3a8a 0%, #0f172a 75%);
      color: #fff;
      padding: 80px 0 90px;
      position: relative;
      overflow: hidden;
    }
    .hero-bg-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      opacity: 0.18;
      background-image: url('/assets/images/1d3ae8123c31f6ae.webp');
      background-size: cover;
      background-position: center;
      mix-blend-mode: overlay;
      pointer-events: none;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .hero-badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(255, 107, 0, 0.15);
      border: 1px solid rgba(255, 107, 0, 0.3);
      color: #FF9B42;
      border-radius: 30px;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 20px;
    }
    .hero-content h1 {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-content h1 span {
      color: #38BDF8;
    }
    .hero-intro {
      font-size: 16px;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }
    .hero-app-badges {
      display: flex;
      align-items: center;
      gap: 20px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }
    .app-download-tag {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #94A3B8;
      font-size: 13px;
    }
    .app-download-tag i {
      font-size: 22px;
      color: #fff;
    }
    
    /* Faux Ranking Board (右侧榜单) */
    .faux-board-card {
      background: rgba(30, 41, 59, 0.7);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    }
    .board-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .board-title {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .board-status-dot {
      width: 8px;
      height: 8px;
      background: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 10px #10B981;
    }
    .board-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .board-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: rgba(15, 23, 42, 0.5);
      border: 1px solid rgba(255, 255, 255, 0.05);
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }
    .board-item:hover {
      background: rgba(26, 86, 219, 0.2);
      border-color: rgba(56, 189, 248, 0.3);
      transform: translateX(4px);
    }
    .board-rank {
      font-weight: 800;
      font-size: 15px;
      width: 26px;
      color: #F59E0B;
    }
    .board-car-info {
      flex: 1;
      margin-left: 8px;
    }
    .board-car-name {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
    }
    .board-car-tag {
      font-size: 12px;
      color: #94A3B8;
    }
    .board-price {
      text-align: right;
    }
    .board-price-num {
      font-size: 16px;
      font-weight: 800;
      color: #38BDF8;
    }
    .board-price-unit {
      font-size: 11px;
      color: #94A3B8;
    }

    /* 2. 限时活动倒计时条 (Countdown Banner) */
    .countdown-bar-section {
      background: linear-gradient(90deg, #1A56DB 0%, #0F4C81 100%);
      padding: 24px 0;
      color: #fff;
    }
    .countdown-flex {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }
    .countdown-msg {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .countdown-badge {
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
      text-transform: uppercase;
    }
    .countdown-text-main {
      font-size: 16px;
      font-weight: 600;
    }
    .countdown-clock {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      font-weight: 600;
    }
    .time-box {
      background: rgba(0, 0, 0, 0.25);
      padding: 4px 10px;
      border-radius: 6px;
      font-family: monospace;
      font-size: 16px;
      font-weight: 700;
      border: 1px solid rgba(255,255,255,0.15);
    }

    /* 3. 痛点对比透视 (活动亮点/痛点) */
    .painpoint-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .painpoint-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 32px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .painpoint-card:hover {
      box-shadow: var(--shadow-xl);
      transform: translateY(-4px);
      border-color: var(--primary);
    }
    .painpoint-top {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }
    .pain-badge-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: #FEE2E2;
      color: #EF4444;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
    }
    .pain-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--dark-slate);
    }
    .pain-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      min-height: 44px;
    }
    .pain-solution-box {
      background: var(--primary-light);
      border-left: 3px solid var(--primary);
      padding: 14px 16px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }
    .solution-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .solution-desc {
      font-size: 13px;
      color: #334155;
      line-height: 1.5;
    }

    /* 4. 品牌核心可信度 (About 区块) */
    .about-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .about-img-box {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-xl);
    }
    .about-img-box img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }
    .about-float-tag {
      position: absolute;
      bottom: 24px;
      left: 24px;
      background: rgba(15, 23, 42, 0.9);
      color: #fff;
      padding: 16px 22px;
      border-radius: var(--radius-md);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255,255,255,0.15);
      max-width: 320px;
    }
    .about-float-tag strong {
      display: block;
      color: #38BDF8;
      font-size: 16px;
      margin-bottom: 4px;
    }
    .about-float-tag span {
      font-size: 12px;
      color: #CBD5E1;
      line-height: 1.4;
      display: block;
    }
    .about-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 18px;
      margin: 28px 0;
    }
    .about-list li {
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }
    .about-list-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      margin-top: 3px;
      font-size: 13px;
    }
    .about-list-text h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark-slate);
      margin-bottom: 4px;
    }
    .about-list-text p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 5. 6大核心保障矩阵 (Advantages 3x2) */
    .grid-3x2 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 26px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }
    .adv-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-xl);
    }
    .adv-icon-wrap {
      width: 58px;
      height: 58px;
      border-radius: 16px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 22px;
      transition: var(--transition);
    }
    .adv-card:hover .adv-icon-wrap {
      background: var(--primary);
      color: #fff;
    }
    .adv-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--dark-slate);
      margin-bottom: 10px;
    }
    .adv-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 6. 热门精选车型 (Fleet 专区) */
    .fleet-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .fleet-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .fleet-card:hover {
      box-shadow: var(--shadow-xl);
      transform: translateY(-5px);
      border-color: var(--primary);
    }
    .fleet-img-wrap {
      height: 220px;
      position: relative;
      overflow: hidden;
      background: #E2E8F0;
    }
    .fleet-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .fleet-card:hover .fleet-img-wrap img {
      transform: scale(1.06);
    }
    .fleet-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(15, 23, 42, 0.85);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 20px;
      backdrop-filter: blur(4px);
    }
    .fleet-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .fleet-header {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      margin-bottom: 12px;
    }
    .fleet-name {
      font-size: 20px;
      font-weight: 800;
      color: var(--dark-slate);
    }
    .fleet-cost {
      font-size: 22px;
      font-weight: 800;
      color: var(--accent);
    }
    .fleet-cost span {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: normal;
    }
    .fleet-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 18px;
    }
    .fleet-tag-pill {
      font-size: 12px;
      background: #F1F5F9;
      color: #475569;
      padding: 3px 8px;
      border-radius: 4px;
    }
    .fleet-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 22px;
      flex: 1;
    }
    .fleet-footer {
      padding-top: 16px;
      border-top: 1px solid var(--border-color);
      display: flex;
      justify-content: space-between;
      align-items: center;}
    .fleet-fetch-mode {
      font-size: 13px;
      color: #059669;
      display: flex;
      align-items: center;
      gap: 5px;
      font-weight: 600;
    }

    /* 7. 4步极速用车流程 (Process 步骤) */
    .step-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 22px;
      position: relative;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .step-card:hover {
      box-shadow: var(--shadow-xl);
      border-color: var(--primary);
      transform: translateY(-4px);
    }
    .step-number {
      position: absolute;
      top: -16px;
      left: 50%;
      transform: translateX(-50%);
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      font-weight: 800;
      font-size: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 10px rgba(26, 86, 219, 0.35);
    }
    .step-icon {
      font-size: 32px;
      color: var(--primary);
      margin: 16px 0 18px;
    }
    .step-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--dark-slate);
      margin-bottom: 10px;
    }
    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 8. 安全与深色实力区 (Philosophy) */
    .security-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .sec-stats-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .sec-stat-box {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 24px;
      backdrop-filter: blur(8px);
    }
    .sec-stat-num {
      font-size: 32px;
      font-weight: 900;
      color: #38BDF8;
      margin-bottom: 6px;
      font-family: monospace;
    }
    .sec-stat-label {
      font-size: 14px;
      color: #94A3B8;
    }

    /* 9. 真实用户自驾故事 (Stories) */
    .story-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .story-card {
      background: #fff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .story-img-wrap {
      height: 200px;
      overflow: hidden;
    }
    .story-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .story-card:hover .story-img-wrap img {
      transform: scale(1.05);
    }
    .story-content {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .story-tag {
      font-size: 12px;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 8px;
    }
    .story-heading {
      font-size: 17px;
      font-weight: 700;
      color: var(--dark-slate);
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .story-quote {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex: 1;
    }
    .story-author {
      display: flex;
      align-items: center;
      gap: 10px;
      padding-top: 14px;
      border-top: 1px solid #F1F5F9;
      font-size: 13px;
      font-weight: 600;
      color: #475569;
    }

    /* 10. 核心数据指标条 (Metrics) */
    .metrics-section {
      background: #0F172A;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 55px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-item {
      padding: 10px 15px;
    }
    .metric-value {
      font-size: 40px;
      font-weight: 900;
      color: #38BDF8;
      letter-spacing: -1px;
      margin-bottom: 6px;
      font-family: monospace;
    }
    .metric-name {
      font-size: 15px;
      color: #CBD5E1;
      font-weight: 500;
    }

    /* 11. 口碑评价墙 (Reviews) */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .review-card:hover {
      box-shadow: var(--shadow-xl);
      border-color: var(--primary);
      transform: translateY(-3px);
    }
    .review-stars {
      color: #F59E0B;
      font-size: 14px;
      margin-bottom: 14px;
      display: flex;
      gap: 3px;
    }
    .review-text {
      font-size: 14px;
      color: #475569;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .review-user-box {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 16px;
      border-top: 1px solid #F1F5F9;
    }
    .user-avatar-circle {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }
    .user-info-meta {
      flex: 1;
    }
    .user-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--dark-slate);
    }
    .user-badge {
      font-size: 12px;
      color: #10B981;
    }

    /* 12. 自驾资讯与避坑指南 (News) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-xl);
      border-color: var(--primary);
    }
    .news-thumb {
      height: 190px;
      overflow: hidden;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-thumb img {
      transform: scale(1.06);
    }
    .news-body {
      padding: 24px;
      flex: 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(--dark-slate);
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .news-summary {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex: 1;
    }
    .news-link {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    /* 13. 常见问答手风琴 (FAQ) */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .faq-item.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }
    .faq-question {
      padding: 22px 26px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 16px;
      font-weight: 700;
      color: var(--dark-slate);
      user-select: none;
    }
    .faq-question:hover {
      color: var(--primary);
    }
    .faq-toggle-icon {
      font-size: 15px;
      color: var(--text-muted);
      transition: transform 0.28s ease;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(180deg);
      color: var(--primary);
    }
    .faq-answer {
      padding: 0 26px 22px 26px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      display: none;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* 全局转化行动区 (CTA Banner) */
    .cta-banner-section {
      background: linear-gradient(135deg, #1A56DB 0%, #0F172A 100%);
      color: #fff;
      padding: 70px 0;
      text-align: center;
      position: relative;
    }
    .cta-box-wrap {
      max-width: 800px;
      margin: 0 auto;
    }
    .cta-title {
      font-size: 34px;
      font-weight: 900;
      margin-bottom: 16px;
    }
    .cta-desc {
      font-size: 16px;
      color: #CBD5E1;
      margin-bottom: 34px;
      line-height: 1.7;
    }
    .cta-btn-group {
      display: flex;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
    }

    /* Footer */
    footer.main-footer {
      background: #0B1120;
      color: #94A3B8;
      padding: 75px 0 30px;
      font-size: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 45px;
      margin-bottom: 55px;
    }
    .footer-col-title {
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 22px;
      position: relative;
      padding-bottom: 10px;
    }
    .footer-col-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 28px;
      height: 2px;
      background: var(--primary);
    }
    .footer-desc-text {
      line-height: 1.8;
      margin-bottom: 20px;
      color: #94A3B8;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .footer-contact-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      color: #CBD5E1;
    }
    .footer-contact-list i {
      color: var(--accent);
      margin-top: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }
    .footer-bottom-links a {
      margin-left: 20px;
      color: #94A3B8;
    }
    .footer-bottom-links a:hover {
      color: #fff;
    }

    /* 移动端汉堡菜单抽屉 */
    .mobile-toggle {
      display: none;
      background: transparent;
      border: none;
      font-size: 24px;
      color: var(--dark-slate);
      cursor: pointer;
    }
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(15, 23, 42, 0.7);
      backdrop-filter: blur(6px);
      z-index: 1000;
    }
    .drawer-content {
      position: absolute;
      top: 0;
      right: 0;
      width: 280px;
      height: 100%;
      background: #fff;
      padding: 30px 24px;
      display: flex;
      flex-direction: column;
      box-shadow: -10px 0 30px rgba(0,0,0,0.15);
    }
    .drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 30px;
    }
    .drawer-close {
      background: none;
      border: none;
      font-size: 22px;
      color: var(--dark-slate);
      cursor: pointer;
    }
    .drawer-nav {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .drawer-nav a {
      font-size: 16px;
      font-weight: 600;
      color: var(--dark-slate);
    }
    .drawer-nav a:hover {
      color: var(--primary);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .about-split,
      .security-inner {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .grid-3x2 {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-menu, .nav-cta .btn-outline-primary {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .hero-content h1 {
        font-size: 32px;
      }
      .section-title {
        font-size: 26px;
      }
      .painpoint-grid,
      .grid-3x2,
      .fleet-grid,
      .step-grid,
      .story-grid,
      .review-grid,
      .news-grid {
        grid-template-columns: 1fr;
      }
      .sec-stats-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
      .footer-bottom-links a {
        margin: 0 10px;
      }
      .countdown-flex {
        flex-direction: column;
        text-align: center;
      }
      .hero-actions {
        flex-direction: column;
      }
      .hero-actions .btn {
        width: 100%;
      }
    }
