/* roulang page: index */
:root {
      --bg-dark: #0D1117;
      --bg-card-dark: #161B22;
      --bg-subtle-dark: #21262D;
      --bg-light: #F8FAFC;
      --bg-light-card: #FFFFFF;
      --text-main-dark: #F0F6FC;
      --text-muted-dark: #8B949E;
      --text-main-light: #0F172A;
      --text-muted-light: #475569;
      --primary-orange: #FF5E1E;
      --primary-orange-hover: #E04E15;
      --accent-green: #10B981;
      --accent-cyan: #06B6D4;
      --border-dark: rgba(255, 255, 255, 0.08);
      --border-light: #E2E8F0;
      --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      --font-number: "DIN Alternate", "Teko", "Inter", -apple-system, monospace;
      --shadow-soft: 0 10px 30px -5px rgba(0, 0, 0, 0.1);
      --shadow-glow: 0 0 25px rgba(255, 94, 30, 0.35);
      --radius-sm: 4px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --container-max: 1240px;
      --transition: all 0.28s ease;
    }

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

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

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

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

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

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

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

    .top-bar {
      height: 40px;
      background: #0A0D12;
      border-bottom: 1px solid var(--border-dark);
      font-size: 13px;
      color: var(--text-muted-dark);
      display: flex;
      align-items: center;
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }

    .top-bar-tags span {
      margin-right: 20px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .top-bar-tags span::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent-green);
      display: inline-block;
    }

    .top-bar-contact {
      display: flex;
      gap: 16px;
    }

    .top-bar-contact a:hover {
      color: var(--primary-orange);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(13, 17, 23, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-dark);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
      font-size: 20px;
      color: #FFFFFF;
      letter-spacing: 0.5px;
    }

    .logo-symbol {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary-orange), #FF8F50);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      font-weight: 900;
      box-shadow: 0 4px 12px rgba(255, 94, 30, 0.4);
    }

    .nav-links {
      display: flex;
      gap: 28px;
      align-items: center;
      list-style: none;
    }

    .nav-links a {
      font-size: 15px;
      color: var(--text-muted-dark);
      font-weight: 500;
    }

    .nav-links a:hover, .nav-links a.active {
      color: #FFFFFF;
    }

    .nav-links a.active::after {
      content: "";
      display: block;
      width: 100%;
      height: 2px;
      background: var(--primary-orange);
      margin-top: 4px;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-weight: 600;
      font-size: 15px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary-orange);
      color: #FFFFFF;
    }

    .btn-primary:hover {
      background: var(--primary-orange-hover);
      box-shadow: var(--shadow-glow);
      transform: translateY(-2px);
    }

    .btn-outline {
      background: transparent;
      border-color: rgba(255, 255, 255, 0.2);
      color: #FFFFFF;
    }

    .btn-outline:hover {
      border-color: #FFFFFF;
      background: rgba(255, 255, 255, 0.05);
    }

    .btn-outline-dark {
      background: transparent;
      border-color: var(--border-light);
      color: var(--text-main-light);
    }

    .btn-outline-dark:hover {
      border-color: var(--text-main-light);
      background: #F1F5F9;
    }

    .menu-toggle {
      display: none;
      background: transparent;
      border: none;
      color: #FFFFFF;
      font-size: 24px;
      cursor: pointer;
    }

    .section {
      padding: 90px 0;
      position: relative;
    }

    .section-dark {
      background-color: var(--bg-dark);
      color: var(--text-main-dark);
    }

    .section-dark-alt {
      background-color: var(--bg-card-dark);
      color: var(--text-main-dark);
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }

    .section-light {
      background-color: var(--bg-light);
      color: var(--text-main-light);
    }

    .section-light-card {
      background-color: #FFFFFF;
      color: var(--text-main-light);
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }

    .section-header {
      margin-bottom: 56px;
    }

    .section-header.center {
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }

    .badge-pill {
      display: inline-block;
      padding: 4px 12px;
      background: rgba(255, 94, 30, 0.12);
      border: 1px solid rgba(255, 94, 30, 0.3);
      color: var(--primary-orange);
      font-size: 13px;
      font-weight: 600;
      border-radius: 20px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .badge-pill.green {
      background: rgba(16, 185, 129, 0.12);
      border-color: rgba(16, 185, 129, 0.3);
      color: var(--accent-green);
    }

    .section-title {
      font-size: 34px;
      line-height: 1.3;
      font-weight: 700;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 16px;
      line-height: 1.7;
    }

    .section-dark .section-subtitle,
    .section-dark-alt .section-subtitle {
      color: var(--text-muted-dark);
    }

    .section-light .section-subtitle,
    .section-light-card .section-subtitle {
      color: var(--text-muted-light);
    }

    /* 板块 1: 首屏 Hero */
    .hero-section {
      padding: 100px 0 120px;
      position: relative;
      background: radial-gradient(circle at 75% 20%, rgba(255, 94, 30, 0.12) 0%, rgba(13, 17, 23, 0) 65%),
                  url('/assets/images/05e11ada291687d5.webp') center center / cover no-repeat;
      background-blend-mode: overlay;
      border-bottom: 1px solid var(--border-dark);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 44px;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 24px;
      letter-spacing: -1px;
    }

    .hero-content h1 span {
      color: var(--primary-orange);
    }

    .hero-content p {
      font-size: 17px;
      line-height: 1.8;
      color: #C9D1D9;
      margin-bottom: 34px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }

    .hero-tags {
      display: flex;
      gap: 20px;
      font-size: 13px;
      color: var(--text-muted-dark);
      border-top: 1px solid var(--border-dark);
      padding-top: 20px;
    }

    .hero-tags span {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .hero-board {
      position: relative;
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    }

    .hero-board-img {
      border-radius: var(--radius-md);
      overflow: hidden;
      aspect-ratio: 16/10;
      position: relative;
    }

    .hero-board-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .floating-pill {
      position: absolute;
      background: rgba(13, 17, 23, 0.88);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      padding: 10px 16px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      color: #FFFFFF;
      box-shadow: 0 10px 20px rgba(0,0,0,0.4);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .floating-pill.pill-1 {
      top: 24px;
      left: -20px;
      border-left: 3px solid var(--accent-green);
    }

    .floating-pill.pill-2 {
      bottom: 30px;
      right: -15px;
      border-left: 3px solid var(--primary-orange);
    }

    .floating-pill.pill-3 {
      top: 55%;
      left: 10px;
      border-left: 3px solid var(--accent-cyan);
    }

    .floating-pill .val {
      font-family: var(--font-number);
      font-size: 16px;
      color: var(--accent-green);
    }

    .floating-pill.pill-2 .val {
      color: var(--primary-orange);
    }

    .floating-pill.pill-3 .val {
      color: var(--accent-cyan);
    }

    /* 板块 2: 指标看板区 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .metric-card {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .metric-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255, 94, 30, 0.4);
    }

    .metric-num {
      font-family: var(--font-number);
      font-size: 42px;
      font-weight: 700;
      color: #FFFFFF;
      line-height: 1;
      margin-bottom: 8px;
    }

    .metric-num span {
      font-size: 20px;
      color: var(--primary-orange);
      margin-left: 2px;
    }

    .metric-label {
      font-size: 15px;
      font-weight: 600;
      color: #FFFFFF;
      margin-bottom: 8px;
    }

    .metric-desc {
      font-size: 13px;
      color: var(--text-muted-dark);
      line-height: 1.6;
    }

    /* 板块 3: 战术引擎与核心架构 */
    .split-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    .engine-feature-list {
      list-style: none;
      margin-top: 30px;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .engine-feature-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
    }

    .engine-icon {
      width: 36px;
      height: 36px;
      background: rgba(255, 94, 30, 0.1);
      border: 1px solid rgba(255, 94, 30, 0.25);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-orange);
      flex-shrink: 0;
      font-weight: bold;
    }

    .engine-feature-item h4 {
      font-size: 17px;
      font-weight: 600;
      color: #FFFFFF;
      margin-bottom: 4px;
    }

    .engine-feature-item p {
      font-size: 14px;
      color: var(--text-muted-dark);
      line-height: 1.6;
    }

    .engine-preview {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-dark);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }

    .engine-preview img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* 板块 4: 6张战术卡片阵列 */
    .cards-grid-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .tactical-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      transition: var(--transition);
      box-shadow: var(--shadow-soft);
      position: relative;
    }

    .tactical-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
      border-color: rgba(255, 94, 30, 0.3);
    }

    .tactical-tag {
      font-size: 12px;
      color: var(--primary-orange);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.8px;
      margin-bottom: 12px;
    }

    .tactical-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main-light);
      margin-bottom: 12px;
    }

    .tactical-card p {
      font-size: 14px;
      color: var(--text-muted-light);
      line-height: 1.65;
    }

    /* 板块 5: 产品与服务矩阵 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }

    .pricing-card {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 38px 30px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }

    .pricing-card.popular {
      border: 2px solid var(--primary-orange);
      background: linear-gradient(180deg, rgba(255, 94, 30, 0.04) 0%, rgba(22, 27, 34, 1) 100%);
      transform: scale(1.03);
      z-index: 2;
    }

    .popular-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-orange);
      color: #FFFFFF;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 16px;
      border-radius: 20px;
      letter-spacing: 0.5px;
    }

    .pricing-card h3 {
      font-size: 22px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 8px;
    }

    .pricing-subtitle {
      font-size: 14px;
      color: var(--text-muted-dark);
      margin-bottom: 24px;
    }

    .pricing-price {
      font-family: var(--font-number);
      font-size: 38px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 24px;
      padding-bottom: 24px;
      border-bottom: 1px solid var(--border-dark);
    }

    .pricing-price span {
      font-size: 14px;
      font-weight: 400;
      color: var(--text-muted-dark);
      font-family: var(--font-base);
    }

    .pricing-features {
      list-style: none;
      margin-bottom: 32px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .pricing-features li {
      font-size: 14px;
      color: #C9D1D9;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .pricing-features li::before {
      content: "✓";
      color: var(--accent-green);
      font-weight: bold;
    }

    /* 板块 6: 案例对比 (深色沉浸) */
    .compare-container {
      background: #090D11;
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 40px;
    }

    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

    .compare-col {
      padding: 24px;
      border-radius: var(--radius-md);
    }

    .compare-col.legacy {
      background: rgba(255, 255, 255, 0.02);
      border: 1px dashed rgba(255, 255, 255, 0.15);
    }

    .compare-col.smart {
      background: rgba(255, 94, 30, 0.06);
      border: 1px solid rgba(255, 94, 30, 0.35);
    }

    .compare-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .compare-col.legacy .compare-title {
      color: #8B949E;
    }

    .compare-col.smart .compare-title {
      color: var(--primary-orange);
    }

    .compare-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .compare-list li {
      font-size: 14px;
      line-height: 1.6;
    }

    .compare-col.legacy .compare-list li {
      color: #8B949E;
    }

    .compare-col.smart .compare-list li {
      color: #E6EDF3;
    }

    /* 板块 7: 实战成效进阶数据对比条 */
    .benchmark-table-wrapper {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      overflow-x: auto;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-soft);
    }

    .benchmark-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
      min-width: 600px;
    }

    .benchmark-table th, .benchmark-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-light);
    }

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

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

    .benchmark-table td.tag-good {
      color: var(--accent-green);
      font-weight: 600;
    }

    /* 板块 8: 用户故事与教练复盘区 */
    .coach-stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .story-card {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 36px;
      position: relative;
    }

    .story-quote {
      font-size: 15px;
      line-height: 1.75;
      color: #E6EDF3;
      margin-bottom: 24px;
      font-style: italic;
    }

    .story-author {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .author-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--bg-subtle-dark);
      border: 2px solid var(--primary-orange);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #FFFFFF;
    }

    .author-info h4 {
      font-size: 16px;
      font-weight: 600;
      color: #FFFFFF;
    }

    .author-info p {
      font-size: 13px;
      color: var(--text-muted-dark);
    }

    /* 板块 9: 里程碑时间轴 */
    .timeline {
      position: relative;
      max-width: 860px;
      margin: 0 auto;
    }

    .timeline::before {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background: var(--border-dark);
      transform: translateX(-50%);
    }

    .timeline-item {
      position: relative;
      margin-bottom: 40px;
      display: flex;
      justify-content: flex-end;
      padding-right: 50%;
    }

    .timeline-item:nth-child(even) {
      justify-content: flex-start;
      padding-right: 0;
      padding-left: 50%;
    }

    .timeline-dot {
      position: absolute;
      left: 50%;
      top: 18px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--primary-orange);
      border: 3px solid #0D1117;
      transform: translateX(-50%);
      z-index: 2;
    }

    .timeline-content {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      width: 90%;
    }

    .timeline-time {
      font-family: var(--font-number);
      font-size: 14px;
      color: var(--primary-orange);
      font-weight: 700;
      margin-bottom: 6px;
    }

    .timeline-content h4 {
      font-size: 17px;
      color: #FFFFFF;
      margin-bottom: 8px;
    }

    .timeline-content p {
      font-size: 14px;
      color: var(--text-muted-dark);
      line-height: 1.6;
    }

    /* 板块 10: 关键数据统计展示条 */
    .stat-banner {
      background: linear-gradient(90deg, #161B22 0%, #20130C 50%, #161B22 100%);
      border-top: 1px solid rgba(255, 94, 30, 0.3);
      border-bottom: 1px solid rgba(255, 94, 30, 0.3);
      padding: 56px 0;
    }

    .stat-banner-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }

    .stat-banner-item .val {
      font-family: var(--font-number);
      font-size: 46px;
      font-weight: 800;
      color: #FFFFFF;
      line-height: 1;
      margin-bottom: 8px;
    }

    .stat-banner-item .val span {
      color: var(--primary-orange);
      font-size: 24px;
    }

    .stat-banner-item .txt {
      font-size: 14px;
      color: #C9D1D9;
      font-weight: 500;
    }

    /* 板块 11: 行业资讯与技术报告 */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .insight-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .insight-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 30px rgba(0, 0, 0, 0.08);
    }

    .insight-img {
      height: 190px;
      overflow: hidden;
    }

    .insight-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .insight-card:hover .insight-img img {
      transform: scale(1.05);
    }

    .insight-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

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

    .insight-body h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main-light);
      line-height: 1.4;
      margin-bottom: 12px;
    }

    .insight-body p {
      font-size: 14px;
      color: var(--text-muted-light);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 18px;
    }

    .insight-link {
      color: var(--primary-orange);
      font-size: 14px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 板块 12: 战术问答 FAQ */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      overflow: hidden;
    }

    .faq-question {
      padding: 22px 28px;
      font-size: 17px;
      font-weight: 600;
      color: #FFFFFF;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question::after {
      content: "+";
      font-size: 22px;
      color: var(--primary-orange);
      transition: var(--transition);
    }

    .faq-item.active .faq-question::after {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 28px 22px;
      font-size: 15px;
      color: var(--text-muted-dark);
      line-height: 1.7;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding-top: 16px;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 板块 13: 转化意向表单与预约演示 */
    .cta-card {
      background: radial-gradient(circle at 100% 0%, rgba(255, 94, 30, 0.15) 0%, rgba(22, 27, 34, 1) 70%);
      border: 1px solid rgba(255, 94, 30, 0.35);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    }

    .cta-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .cta-info h2 {
      font-size: 32px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .cta-info p {
      font-size: 15px;
      color: #C9D1D9;
      line-height: 1.7;
      margin-bottom: 28px;
    }

    .cta-assurances {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .cta-assurances li {
      font-size: 14px;
      color: var(--text-muted-dark);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .cta-assurances li span {
      color: var(--accent-green);
    }

    .cta-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group input,
    .form-group select {
      width: 100%;
      height: 48px;
      background: #0D1117;
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 0 16px;
      color: #FFFFFF;
      outline: none;
      transition: var(--transition);
    }

    .form-group input:focus,
    .form-group select:focus {
      border-color: var(--primary-orange);
      box-shadow: 0 0 0 2px rgba(255, 94, 30, 0.2);
    }

    .form-group select option {
      background: #0D1117;
      color: #FFFFFF;
    }

    /* 页脚 */
    .site-footer {
      background: #07090C;
      border-top: 1px solid var(--border-dark);
      padding: 70px 0 30px;
      color: var(--text-muted-dark);
      font-size: 14px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1.2fr 1.4fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 16px;
      margin-bottom: 20px;
      font-weight: 600;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col ul a:hover {
      color: var(--primary-orange);
    }

    .footer-contact p {
      margin-bottom: 8px;
      line-height: 1.6;
    }

    .footer-bottom {
      border-top: 1px solid var(--border-dark);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    .footer-bottom a:hover {
      color: var(--primary-orange);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid,
      .split-layout,
      .cta-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .metrics-grid,
      .stat-banner-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cards-grid-6,
      .pricing-grid,
      .insights-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .timeline::before {
        left: 20px;
      }
      .timeline-item,
      .timeline-item:nth-child(even) {
        justify-content: flex-start;
        padding-left: 50px;
        padding-right: 0;
      }
      .timeline-dot {
        left: 20px;
      }
      .timeline-content {
        width: 100%;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #0D1117;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-dark);
        gap: 16px;
      }
      .nav-links.open {
        display: flex;
      }
      .menu-toggle {
        display: block;
      }
      .hero-content h1 {
        font-size: 30px;
      }
      .section-title {
        font-size: 26px;
      }
      .cards-grid-6,
      .pricing-grid,
      .insights-grid,
      .compare-grid,
      .coach-stories-grid,
      .metrics-grid,
      .stat-banner-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .pricing-card.popular {
        transform: none;
      }
      .cta-card {
        padding: 32px 20px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }