/* roulang page: index */
:root {
      --primary: #1A3BFF;
      --primary-hover: #1228CC;
      --accent: #00E599;
      --accent-glow: rgba(0, 229, 153, 0.25);
      --danger: #FF5722;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0B0F19;
      --bg-dark-card: #151D2F;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-dark: #222F49;
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-pill: 9999px;
      --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 30px -5px rgba(15, 23, 42, 0.07);
      --shadow-lg: 0 20px 40px -10px rgba(26, 59, 255, 0.15);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    *, *::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-light);
      color: var(--text-body);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    ul, ol {
      list-style: none;
    }
    button, input {
      font: inherit;
      outline: none;
      border: none;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    /* 顶部双行导航 */
    .top-bar {
      background-color: #EEF2F6;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.8125rem;
      color: var(--text-muted);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .live-ticker {
      display: flex;
      align-items: center;
      gap: 10px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .ticker-tag {
      background-color: var(--danger);
      color: #fff;
      padding: 2px 8px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 0.75rem;
    }
    .top-bar-links {
      display: flex;
      align-items: center;
      gap: 20px;
      flex-shrink: 0;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-icon {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(26, 59, 255, 0.3);
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-link {
      font-weight: 600;
      font-size: 0.9375rem;
      color: var(--text-body);
      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: var(--primary);
      border-radius: 2px;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      font-size: 0.9375rem;
      cursor: pointer;
      transition: var(--transition);
      gap: 8px;
      white-space: nowrap;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary), #2B4CFF);
      color: #fff;
      box-shadow: 0 4px 15px rgba(26, 59, 255, 0.35);
    }
    .btn-primary:hover {
      box-shadow: 0 6px 20px rgba(26, 59, 255, 0.5);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: transparent;
      border: 1px solid var(--border-color);
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(26, 59, 255, 0.04);
    }
    .btn-accent {
      background: var(--accent);
      color: #05261B;
      font-weight: 700;
      box-shadow: 0 4px 14px var(--accent-glow);
    }
    .btn-accent:hover {
      background: #00CC88;
      transform: translateY(-2px);
    }

    /* 徽章与标签 */
    .badge-capsule {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      background: rgba(26, 59, 255, 0.08);
      color: var(--primary);
      font-size: 0.8125rem;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .badge-capsule.badge-green {
      background: rgba(0, 229, 153, 0.15);
      color: #00875A;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(0, 229, 153, 0.3);
      display: inline-block;
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(0, 229, 153, 0.5); }
      70% { box-shadow: 0 0 0 6px rgba(0, 229, 153, 0); }
      100% { box-shadow: 0 0 0 0 rgba(0, 229, 153, 0); }
    }

    /* 板块排版框架 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }
    .section-block.bg-light {
      background-color: var(--bg-light);
    }
    .section-block.bg-white {
      background-color: var(--bg-white);
    }
    .section-block.bg-dark {
      background-color: var(--bg-dark);
      color: #fff;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 50px auto;
    }
    .section-header h2 {
      font-size: 2.125rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-block.bg-dark .section-header h2 {
      color: #FFFFFF;
    }
    .section-header p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-block.bg-dark .section-header p {
      color: #94A3B8;
    }

    /* Section 1: Hero 直播预告与订阅 */
    .hero-section {
      background: linear-gradient(rgba(11, 15, 25, 0.88), rgba(11, 15, 25, 0.94)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      color: #FFFFFF;
      padding: 90px 0 80px 0;
      position: relative;
      border-bottom: 1px solid var(--border-dark);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.8px;
    }
    .hero-content h1 .text-glow {
      background: linear-gradient(135deg, #00E599, #1A3BFF);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.0625rem;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .hero-meta-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      align-items: center;
      margin-top: 36px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }
    .hero-meta-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.875rem;
      color: #94A3B8;
    }
    .hero-card-preview {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
      position: relative;
      overflow: hidden;
    }
    .preview-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }
    .match-teams {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin: 24px 0;
      text-align: center;
    }
    .team-block {
      flex: 1;
    }
    .team-badge {
      width: 58px;
      height: 58px;
      background: #1F2A44;
      border-radius: 50%;
      margin: 0 auto 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.25rem;
      color: #FFFFFF;
      border: 2px solid rgba(255, 255, 255, 0.1);
    }
    .team-name {
      font-weight: 700;
      font-size: 1rem;
      color: #F8FAFC;
    }
    .vs-tag {
      font-size: 1.25rem;
      font-weight: 900;
      color: var(--accent);
      padding: 0 16px;
    }
    .countdown-box {
      background: #0E1422;
      border: 1px solid rgba(0, 229, 153, 0.2);
      border-radius: var(--radius-md);
      padding: 16px;
      text-align: center;
      margin-bottom: 24px;
    }
    .countdown-digits {
      font-family: monospace;
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--accent);
      letter-spacing: 2px;
      margin: 6px 0;
    }
    .countdown-note {
      font-size: 0.75rem;
      color: #94A3B8;
    }
    .subscribe-form {
      display: flex;
      gap: 10px;
    }
    .subscribe-input {
      flex: 1;
      background: #1E293B;
      border: 1px solid #334155;
      padding: 12px 16px;
      border-radius: var(--radius-pill);
      color: #fff;
      font-size: 0.875rem;
    }
    .subscribe-input:focus {
      border-color: var(--accent);
    }

    /* Section 2: 优惠阶梯 */
    .tier-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .tier-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .tier-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }
    .tier-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
    }
    .tier-card.featured::before {
      content: "热度最高";
      position: absolute;
      top: -12px;
      right: 28px;
      background: linear-gradient(135deg, var(--danger), #FF8A00);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: var(--radius-pill);
    }
    .tier-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .tier-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 42px;
    }
    .tier-price {
      display: flex;
      align-items: baseline;
      gap: 6px;
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 1px dashed var(--border-color);
    }
    .tier-price .amount {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1;
    }
    .tier-price .unit {
      color: var(--text-muted);
      font-size: 0.875rem;
    }
    .tier-features {
      margin-bottom: 30px;
      flex-grow: 1;
    }
    .tier-feature-item {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
      font-size: 0.9375rem;
      color: var(--text-body);
    }
    .check-icon {
      color: var(--accent);
      font-weight: bold;
    }

    /* Section 3: 套餐对比 */
    .compare-table-wrap {
      overflow-x: auto;
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.9375rem;
    }
    .compare-table th {
      background: #F1F5F9;
      color: var(--text-main);
      font-weight: 700;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .highlight-col {
      background: rgba(26, 59, 255, 0.02);
      font-weight: 600;
      color: var(--primary);
    }

    /* Section 4: 限时入口 */
    .flash-banner {
      background: linear-gradient(135deg, #101626, #1A3BFF);
      border-radius: var(--radius-lg);
      padding: 44px;
      color: #fff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 32px;
      box-shadow: var(--shadow-lg);
    }
    .flash-info h3 {
      font-size: 1.75rem;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .flash-info p {
      color: #CBD5E1;
      max-width: 620px;
      font-size: 0.9375rem;
      line-height: 1.7;
    }

    /* Section 5: 爆款清单 */
    .hot-list-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .hot-item-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .hot-item-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .hot-item-thumb {
      height: 160px;
      position: relative;
      overflow: hidden;
    }
    .hot-item-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .hot-item-card:hover .hot-item-thumb img {
      transform: scale(1.05);
    }
    .stream-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(4px);
      color: #fff;
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .hot-item-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .hot-item-title {
      font-size: 1.0625rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .hot-item-desc {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .hot-item-foot {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 12px;
      border-top: 1px solid #F1F5F9;
    }
    .heat-index {
      font-size: 0.8125rem;
      color: var(--danger);
      font-weight: 700;
    }

    /* Section 6: 卖点三连 */
    .usp-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .usp-box {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: left;
      transition: var(--transition);
    }
    .usp-box:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
      transform: translateY(-4px);
    }
    .usp-icon-circle {
      width: 56px;
      height: 56px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(26, 59, 255, 0.1), rgba(0, 229, 153, 0.2));
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.5rem;
      margin-bottom: 20px;
      font-weight: 800;
    }
    .usp-box h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .usp-box p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Section 7: 场景演示区 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .scene-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .scene-img-box {
      height: 190px;
      position: relative;
    }
    .scene-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .scene-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .scene-content h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .scene-content p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .scene-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: auto;
    }
    .micro-pill {
      font-size: 0.75rem;
      background: #F1F5F9;
      color: var(--text-body);
      padding: 3px 10px;
      border-radius: var(--radius-pill);
      font-weight: 600;
    }

    /* Section 8: 深色对比我们vs传统 */
    .dark-compare-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .compare-panel {
      padding: 36px;
      border-radius: var(--radius-lg);
    }
    .compare-panel.traditional {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .compare-panel.smart {
      background: #141C30;
      border: 1px solid rgba(0, 229, 153, 0.4);
      box-shadow: 0 0 30px rgba(0, 229, 153, 0.08);
    }
    .compare-panel h3 {
      font-size: 1.375rem;
      font-weight: 800;
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .compare-point-list {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .point-item {
      display: flex;
      gap: 12px;
      font-size: 0.9375rem;
      line-height: 1.6;
    }
    .point-item .point-bullet {
      font-weight: 800;
      flex-shrink: 0;
      margin-top: 1px;
    }
    .compare-panel.traditional .point-bullet {
      color: #94A3B8;
    }
    .compare-panel.smart .point-bullet {
      color: var(--accent);
    }

    /* Section 9: 关键数据统计条 */
    .stat-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .stat-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 20px;
      box-shadow: var(--shadow-sm);
    }
    .stat-num {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 8px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .stat-label {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .stat-sub {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* Section 10: 评价墙 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .review-stars {
      color: #F59E0B;
      font-size: 1.125rem;
      margin-bottom: 16px;
      letter-spacing: 2px;
    }
    .review-quote {
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 24px;
      flex-grow: 1;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 14px;
      padding-top: 16px;
      border-top: 1px solid #F1F5F9;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .author-info h4 {
      font-size: 0.9375rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .author-info p {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* Section 11: 保障图标条 */
    .guarantee-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .guarantee-col {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--bg-white);
      padding: 24px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }
    .guarantee-col-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(0, 229, 153, 0.12);
      color: #00875A;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      flex-shrink: 0;
      font-weight: 900;
    }
    .guarantee-col-text h4 {
      font-size: 0.9375rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 2px;
    }
    .guarantee-col-text p {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* Section 12: 资讯精选 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--bg-white);
      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;
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .news-img {
      height: 180px;
      position: relative;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-bottom: 12px;
    }
    .news-badge {
      background: #F1F5F9;
      color: var(--primary);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .news-body h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-body p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .news-read {
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* Section 13: 常见问题 FAQ */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item summary {
      padding: 22px 28px;
      font-weight: 700;
      font-size: 1.0625rem;
      color: var(--text-main);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary::after {
      content: "+";
      font-size: 1.5rem;
      color: var(--primary);
      transition: transform 0.2s ease;
      font-weight: 400;
    }
    .faq-item[open] summary::after {
      content: "-";
      font-size: 1.75rem;
    }
    .faq-item[open] {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }
    .faq-content {
      padding: 0 28px 24px 28px;
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.8;
      border-top: 1px solid #F8FAFC;
    }

    /* Section 14: 加购引导/收口行动区 */
    .cta-final-box {
      background: linear-gradient(135deg, #0B0F19 0%, #152244 50%, #1A3BFF 100%);
      border-radius: var(--radius-lg);
      padding: 64px 48px;
      color: #fff;
      text-align: center;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }
    .cta-final-box h2 {
      font-size: 2.25rem;
      font-weight: 900;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .cta-final-box p {
      font-size: 1.0625rem;
      color: #CBD5E1;
      max-width: 680px;
      margin: 0 auto 36px auto;
      line-height: 1.7;
    }
    .cta-btn-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
    }

    /* 全局页脚 */
    .site-footer {
      background: #0B0F19;
      color: #94A3B8;
      padding: 70px 0 30px 0;
      border-top: 1px solid #1E293B;
      font-size: 0.875rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-desc {
      line-height: 1.8;
      margin-bottom: 20px;
      color: #94A3B8;
    }
    .footer-links-list li {
      margin-bottom: 12px;
    }
    .footer-links-list a:hover {
      color: var(--accent);
    }
    .footer-contact-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 14px;
      line-height: 1.6;
    }
    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 28px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      font-size: 0.8125rem;
    }
    .seo-meta-flags {
      display: none;
    }

    /* 移动端底部吸底条 */
    .mobile-float-bar {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(15, 23, 42, 0.96);
      backdrop-filter: blur(12px);
      padding: 12px 20px;
      border-top: 1px solid #334155;
      z-index: 999;
      justify-content: space-between;
      align-items: center;
      box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
    }
    .mobile-float-info {
      color: #fff;
      font-size: 0.8125rem;
    }
    .mobile-float-info strong {
      display: block;
      color: var(--accent);
      font-size: 0.9375rem;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .tier-grid, .usp-grid, .scene-grid, .review-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hot-list-grid, .stat-strip, .guarantee-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flash-banner {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-wrap {
        height: 64px;
      }
      .main-nav {
        display: none;
      }
      .hero-section {
        padding: 50px 0 60px 0;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .section-block {
        padding: 60px 0;
      }
      .section-header h2 {
        font-size: 1.625rem;
      }
      .tier-grid, .usp-grid, .scene-grid, .review-grid, .news-grid, .hot-list-grid, .stat-strip, .guarantee-bar {
        grid-template-columns: 1fr;
      }
      .dark-compare-box {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .mobile-float-bar {
        display: flex;
      }
      body {
        padding-bottom: 68px;
      }
    }