/* roulang page: index */
:root {
      --primary: #1d4ed8;
      --primary-hover: #1e40af;
      --primary-light: #eff6ff;
      --secondary: #0284c7;
      --accent: #f59e0b;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #94a3b8;
      --bg-body: #f8fafc;
      --bg-surface: #ffffff;
      --bg-alt: #f1f5f9;
      --border: #e2e8f0;
      --border-focus: #93c5fd;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-xl: 24px;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.12);
      --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    }

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

    body {
      font-family: var(--font-base);
      background-color: var(--bg-body);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease, opacity 0.2s ease;
    }

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

    button, input, select {
      font-family: inherit;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .logo-badge {
      display: inline-block;
      width: 34px;
      height: 34px;
      background: var(--primary);
      color: #fff;
      font-size: 16px;
      font-weight: 900;
      text-align: center;
      line-height: 34px;
      border-radius: var(--radius-sm);
    }
    .nav-links {
      display: flex;
      gap: 32px;
      align-items: center;
    }
    .nav-item {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-muted);
      position: relative;
    }
    .nav-item:hover, .nav-item.active {
      color: var(--primary);
    }
    .nav-item.active::after {
      content: "";
      position: absolute;
      bottom: -6px;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .nav-action {
      background: var(--primary);
      color: #ffffff;
      padding: 10px 22px;
      border-radius: 50px;
      font-size: 14px;
      font-weight: 600;
      border: 1px solid transparent;
      transition: all 0.2s ease;
    }
    .nav-action:hover {
      background: var(--primary-hover);
      box-shadow: 0 4px 12px rgba(29, 78, 216, 0.25);
    }

    /* 板块通用 */
    .section-block {
      padding: 80px 0;
    }
    .section-block.alt-bg {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 6px 14px;
      border-radius: 50px;
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 1. Hero 沉浸大KV区 */
    .hero-kv-section {
      position: relative;
      background: #0b1329;
      color: #ffffff;
      padding: 100px 0 90px;
      overflow: hidden;
      background-image: linear-gradient(180deg, rgba(11, 19, 41, 0.75) 0%, rgba(11, 19, 41, 0.95) 100%), url('/assets/images/067e9a8c3279be09.webp');
      background-size: cover;
      background-position: center;
    }
    .hero-content {
      max-width: 860px;
      margin: 0 auto;
      text-align: center;
      position: relative;
      z-index: 2;
    }
    .hero-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.25);
      padding: 6px 18px;
      border-radius: 50px;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 24px;
      color: #93c5fd;
    }
    .hero-title {
      font-size: 44px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-lead {
      font-size: 17px;
      line-height: 1.8;
      color: #cbd5e1;
      margin-bottom: 36px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-countdown-strip {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      background: rgba(15, 23, 42, 0.8);
      border: 1px solid rgba(147, 197, 253, 0.3);
      padding: 14px 28px;
      border-radius: var(--radius-md);
      margin-bottom: 36px;
    }
    .countdown-title {
      font-size: 14px;
      color: #93c5fd;
      font-weight: 600;
    }
    .countdown-units {
      display: flex;
      gap: 10px;
      align-items: center;
    }
    .c-num {
      background: var(--primary);
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
      min-width: 32px;
      text-align: center;
    }
    .c-colon {
      font-size: 16px;
      font-weight: 700;
      color: #cbd5e1;
    }
    .hero-btn-group {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }
    .btn-main {
      background: var(--primary);
      color: #ffffff;
      padding: 14px 34px;
      border-radius: 50px;
      font-size: 16px;
      font-weight: 700;
      border: 2px solid var(--primary);
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .btn-main:hover {
      background: #1e40af;
      border-color: #1e40af;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(29, 78, 216, 0.4);
    }
    .btn-outline {
      background: transparent;
      color: #ffffff;
      padding: 14px 34px;
      border-radius: 50px;
      font-size: 16px;
      font-weight: 700;
      border: 2px solid rgba(255, 255, 255, 0.6);
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.15);
      border-color: #ffffff;
      transform: translateY(-2px);
    }

    /* 2. KPI 指标看板 */
    .kpi-section {
      padding: 40px 0;
      background: #ffffff;
      border-bottom: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }
    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .kpi-item {
      padding: 16px;
      border-right: 1px solid var(--border);
    }
    .kpi-item:last-child {
      border-right: none;
    }
    .kpi-value {
      font-size: 38px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
      letter-spacing: -1px;
    }
    .kpi-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .kpi-detail {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 3. 服务矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }
    .matrix-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: var(--border-focus);
    }
    .card-icon-box {
      width: 52px;
      height: 52px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 20px;
    }
    .card-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .card-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
    }
    .card-link {
      font-size: 14px;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 4. 结果对比 */
    .compare-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .compare-panel {
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      box-shadow: var(--shadow-md);
    }
    .compare-panel.standard {
      background: #ffffff;
      border: 2px solid var(--border);
    }
    .compare-panel.shenma {
      background: #ffffff;
      border: 2px solid var(--primary);
      position: relative;
    }
    .shenma-badge {
      position: absolute;
      top: -14px;
      right: 28px;
      background: var(--primary);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 50px;
    }
    .compare-head {
      margin-bottom: 24px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border);
    }
    .compare-head h3 {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 6px;
    }
    .compare-head p {
      font-size: 14px;
      color: var(--text-muted);
    }
    .compare-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .compare-row {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14px;
      color: var(--text-muted);
    }
    .compare-flag {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 800;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .compare-flag.no {
      background: #fee2e2;
      color: #ef4444;
    }
    .compare-flag.yes {
      background: #dbeafe;
      color: var(--primary);
    }

    /* 5. 里程碑 */
    .timeline-wrap {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
    }
    .timeline-wrap::before {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background: var(--border);
      transform: translateX(-50%);
    }
    .timeline-node {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 40px;
      position: relative;
    }
    .timeline-node:last-child {
      margin-bottom: 0;
    }
    .node-content {
      width: 44%;
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }
    .timeline-node:nth-child(even) {
      flex-direction: row-reverse;
    }
    .node-dot {
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--primary);
      border: 4px solid #dbeafe;
      z-index: 2;
    }
    .node-date {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .node-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .node-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 6. 资讯列表 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .news-item {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: all 0.2s ease;
    }
    .news-item:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .news-cover {
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .news-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }
    .news-item:hover .news-cover img {
      transform: scale(1.05);
    }
    .news-meta {
      padding: 20px 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .news-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 10px;
    }
    .news-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .news-foot {
      font-size: 12px;
      color: var(--text-light);
      display: flex;
      justify-content: space-between;
      border-top: 1px solid #f1f5f9;
      padding-top: 12px;
    }

    /* 7. 平台保障 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-box {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }
    .g-badge {
      width: 48px;
      height: 48px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 900;
      margin: 0 auto 16px;
    }
    .g-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .g-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 8. 快速解答 FAQ */
    .faq-wrapper {
      max-width: 840px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px 28px;
      box-shadow: var(--shadow-sm);
    }
    .faq-q {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .q-sign {
      color: var(--primary);
      font-weight: 900;
    }
    .faq-a {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      padding-left: 24px;
    }

    /* 9. 转化表单 */
    .cta-form-section {
      background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 100%);
      color: #ffffff;
      padding: 80px 0;
      text-align: center;
    }
    .cta-inner {
      max-width: 680px;
      margin: 0 auto;
    }
    .cta-title {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .cta-subtitle {
      font-size: 16px;
      color: #bfdbfe;
      margin-bottom: 36px;
      line-height: 1.6;
    }
    .subscribe-form {
      display: flex;
      gap: 12px;
      background: rgba(255, 255, 255, 0.1);
      padding: 8px;
      border-radius: 50px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .subscribe-form input {
      flex: 1;
      border: none;
      background: transparent;
      padding: 12px 24px;
      font-size: 15px;
      color: #ffffff;
      outline: none;
    }
    .subscribe-form input::placeholder {
      color: #93c5fd;
    }
    .subscribe-form button {
      background: #ffffff;
      color: var(--primary);
      border: none;
      padding: 12px 30px;
      border-radius: 50px;
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.2s;
    }
    .subscribe-form button:hover {
      background: #eff6ff;
    }

    /* 页脚 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-logo {
      font-size: 20px;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
    }
    .footer-about {
      font-size: 14px;
      line-height: 1.7;
      max-width: 400px;
    }
    .footer-heading {
      font-size: 15px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 14px;
    }
    .footer-links a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #64748b;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 36px; }
      .matrix-grid { grid-template-columns: repeat(2, 1fr); }
      .kpi-grid { grid-template-columns: repeat(2, 1fr); }
      .kpi-item:nth-child(2) { border-right: none; }
      .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .header-inner { height: 60px; }
      .nav-links { display: none; }
      .hero-title { font-size: 28px; }
      .hero-lead { font-size: 15px; }
      .hero-countdown-strip { flex-direction: column; gap: 8px; }
      .compare-container { grid-template-columns: 1fr; }
      .timeline-wrap::before { left: 20px; }
      .timeline-node { flex-direction: column !important; align-items: flex-start; margin-left: 20px; }
      .timeline-node .node-content { width: 100%; margin-left: 20px; }
      .node-dot { left: 0; transform: translate(-50%, 0); top: 20px; }
      .news-grid { grid-template-columns: 1fr; }
      .matrix-grid { grid-template-columns: 1fr; }
      .guarantee-grid { grid-template-columns: 1fr; }
      .kpi-grid { grid-template-columns: 1fr; }
      .kpi-item { border-right: none; border-bottom: 1px solid var(--border); padding-bottom: 20px; }
      .kpi-item:last-child { border-bottom: none; }
      .footer-grid { grid-template-columns: 1fr; gap: 30px; }
      .subscribe-form { flex-direction: column; border-radius: var(--radius-md); background: transparent; padding: 0; }
      .subscribe-form input { background: rgba(255, 255, 255, 0.15); border-radius: 50px; text-align: center; margin-bottom: 10px; }
    }