/* roulang page: index */
:root {
      --primary: #FF6B00;
      --primary-hover: #E05E00;
      --primary-light: #FFF7ED;
      --secondary: #10B981;
      --dark-navy: #0F172A;
      --navy-card: #1E293B;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --bg-page: #F8FAFC;
      --bg-white: #FFFFFF;
      --border-color: #E2E8F0;
      --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 6px 16px -2px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 16px 28px -4px rgba(15, 23, 42, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --container-width: 1280px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }

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

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

    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部提示条 */
    .site-topbar {
      background-color: #F1F5F9;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.8125rem;
      color: var(--text-muted);
      padding: 7px 0;
    }
    .topbar-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
    }
    .topbar-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #0369A1;
      font-weight: 500;
    }
    .topbar-badge::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background-color: #0284C7;
    }

    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-icon-box {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary), #FF8A34);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 1.15rem;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      padding: 6px 0;
      position: relative;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
    }
    .nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      right: 0;
      height: 2px;
      background-color: var(--primary);
      border-radius: 2px;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background-color: var(--primary);
      color: #fff;
      font-weight: 700;
      font-size: 0.875rem;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 10px rgba(255, 107, 0, 0.28);
    }
    .btn-header-cta:hover {
      background-color: var(--primary-hover);
      transform: translateY(-1px);
    }

    /* 板块通用头部 */
    .section-head {
      margin-bottom: 40px;
    }
    .section-head.center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-pill {
      display: inline-block;
      font-size: 0.775rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary);
      background-color: var(--primary-light);
      padding: 4px 12px;
      border-radius: var(--radius-full);
      margin-bottom: 10px;
      border: 1px solid rgba(255, 107, 0, 0.15);
    }
    .section-head h2 {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .section-head p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块通用修饰 */
    .site-section {
      padding: 72px 0;
    }
    .bg-white-panel {
      background-color: var(--bg-white);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    /* 1. Hero 蓝图：创作者主页头图，头像/昵称区 + 数据徽章 + 关注入口 */
    .hero-profile-section {
      background: linear-gradient(180deg, #F1F5F9 0%, #FFFFFF 100%);
      padding-top: 24px;
      padding-bottom: 60px;
    }
    .hero-cover-canvas {
      position: relative;
      width: 100%;
      height: 380px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      background-color: #0F172A;
    }
    .hero-cover-canvas img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.85;
      filter: saturate(1.1);
    }
    .hero-cover-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 23, 42, 0.2) 0%, rgba(15, 23, 42, 0.75) 100%);
      display: flex;
      align-items: flex-end;
      padding: 30px;
    }
    .cover-caption-tag {
      background: rgba(255, 107, 0, 0.9);
      color: #fff;
      font-weight: 700;
      font-size: 0.85rem;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      display: inline-block;
      margin-bottom: 8px;
    }
    .cover-caption-title {
      color: #FFFFFF;
      font-size: 1.6rem;
      font-weight: 800;
      text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    }
    
    .profile-meta-bar {
      position: relative;
      margin-top: -50px;
      padding: 0 24px;
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }
    .profile-avatar-wrap {
      display: flex;
      align-items: flex-end;
      gap: 20px;
    }
    .profile-avatar-img {
      width: 110px;
      height: 110px;
      border-radius: 50%;
      border: 4px solid #FFFFFF;
      box-shadow: var(--shadow-md);
      background-color: #FFF;
      object-fit: cover;
    }
    .profile-text-info h1 {
      font-size: 1.85rem;
      font-weight: 900;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
      line-height: 1.2;
    }
    .badge-verified-seal {
      background-color: #10B981;
      color: #FFFFFF;
      font-size: 0.725rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      letter-spacing: 0.5px;
    }
    .profile-slogan {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-top: 6px;
      font-weight: 500;
    }
    .profile-cta-group {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-follow-main {
      background-color: var(--primary);
      color: #fff;
      font-weight: 700;
      padding: 11px 26px;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 12px rgba(255, 107, 0, 0.3);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-follow-main:hover {
      background-color: var(--primary-hover);
    }
    .btn-follow-sub {
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      color: var(--text-main);
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-sm);
    }
    .btn-follow-sub:hover {
      background-color: #F8FAFC;
      border-color: #CBD5E1;
    }

    .hero-narrative-box {
      margin-top: 28px;
      padding: 24px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    .hero-narrative-text {
      font-size: 1.05rem;
      line-height: 1.8;
      color: #334155;
    }

    /* 2. KPI 看板区 */
    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .kpi-item-card {
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 24px 20px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
    }
    .kpi-item-card::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--primary);
    }
    .kpi-num-row {
      display: flex;
      align-items: baseline;
      gap: 4px;
      margin-bottom: 6px;
    }
    .kpi-digit {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--text-main);
      font-feature-settings: "tnum";
    }
    .kpi-unit {
      color: var(--primary);
      font-weight: 800;
      font-size: 1.1rem;
    }
    .kpi-label {
      font-size: 0.925rem;
      font-weight: 700;
      color: #1E293B;
      margin-bottom: 4px;
    }
    .kpi-subtext {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* 3. 资质背书与行业标准区 */
    .about-dual-layout {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .about-visual-side {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .about-visual-side img {
      width: 100%;
      height: 400px;
      object-fit: cover;
    }
    .cert-float-badge {
      position: absolute;
      bottom: 20px;
      right: 20px;
      background: rgba(15, 23, 42, 0.9);
      color: #fff;
      padding: 16px 20px;
      border-radius: var(--radius-md);
      backdrop-filter: blur(6px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      max-width: 280px;
    }
    .cert-float-badge h4 {
      color: var(--primary);
      font-size: 0.875rem;
      margin-bottom: 4px;
    }
    .cert-float-badge p {
      font-size: 0.775rem;
      color: #CBD5E1;
      line-height: 1.4;
    }
    .about-points-list {
      margin-top: 20px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .point-entry {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      background-color: #F8FAFC;
      border: 1px solid var(--border-color);
      padding: 14px 18px;
      border-radius: var(--radius-sm);
    }
    .point-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--secondary);
      margin-top: 7px;
      flex-shrink: 0;
    }
    .point-entry strong {
      display: block;
      color: var(--text-main);
      font-size: 0.925rem;
      margin-bottom: 2px;
    }
    .point-entry span {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 4. 服务矩阵 */
    .services-grid-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-tech-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      transition: all 0.3s ease;
      box-shadow: var(--shadow-sm);
    }
    .service-tech-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: #FED7AA;
    }
    .service-icon-wrap {
      width: 50px;
      height: 50px;
      border-radius: 10px;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 18px;
    }
    .service-tech-card h3 {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .service-tech-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 5. 热门赛事与考级直报 */
    .programs-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .program-enroll-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: transform 0.25s ease;
    }
    .program-enroll-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .program-img-box {
      position: relative;
      height: 190px;
      background: #CBD5E1;
    }
    .program-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .program-status-pill {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.85);
      color: #fff;
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: var(--radius-full);
      font-weight: 600;
    }
    .program-body {
      padding: 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .program-body h3 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .program-desc-text {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 16px;
      flex: 1;
    }
    .prog-meta-strip {
      background: #F8FAFC;
      border-radius: var(--radius-sm);
      padding: 10px 14px;
      font-size: 0.8rem;
      color: #475569;
      margin-bottom: 16px;
      display: flex;
      justify-content: space-between;
    }
    .prog-bar-wrap {
      margin-bottom: 16px;
    }
    .prog-bar-header {
      display: flex;
      justify-content: space-between;
      font-size: 0.775rem;
      color: var(--text-muted);
      margin-bottom: 6px;
      font-weight: 600;
    }
    .prog-bar-track {
      width: 100%;
      height: 6px;
      background: #E2E8F0;
      border-radius: var(--radius-full);
      overflow: hidden;
    }
    .prog-bar-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--secondary), #059669);
      border-radius: var(--radius-full);
    }
    .btn-apply-slot {
      display: block;
      text-align: center;
      background: var(--primary);
      color: #fff;
      font-weight: 700;
      font-size: 0.875rem;
      padding: 10px 0;
      border-radius: var(--radius-sm);
    }
    .btn-apply-slot:hover {
      background: var(--primary-hover);
    }

    /* 6. 结果对比：深色理念与赛事执行规范 */
    .dark-philosophy-section {
      background-color: var(--dark-navy);
      color: #FFFFFF;
      padding: 80px 0;
    }
    .dark-inner-wrap {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 50px;
      align-items: center;
    }
    .dark-lead-col h2 {
      font-size: 2.1rem;
      font-weight: 900;
      line-height: 1.3;
      margin-bottom: 16px;
      color: #FFFFFF;
    }
    .dark-lead-col p {
      font-size: 0.95rem;
      color: #94A3B8;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .contrast-badge-grid {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .contrast-item {
      background: rgba(30, 41, 59, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 18px 22px;
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }
    .contrast-item-num {
      width: 32px;
      height: 32px;
      background: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.9rem;
      color: #fff;
      flex-shrink: 0;
    }
    .contrast-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 4px;
      color: #F8FAFC;
    }
    .contrast-item p {
      font-size: 0.85rem;
      color: #94A3B8;
      line-height: 1.55;
    }

    /* 7. 里程碑：参赛学员成长轨 */
    .milestone-grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }
    .milestone-track-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .track-head {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 20px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
    }
    .track-avatar {
      width: 58px;
      height: 58px;
      border-radius: 50%;
      object-fit: cover;
    }
    .track-head h3 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
    }
    .track-head span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    .timeline-chain {
      display: flex;
      flex-direction: column;
      gap: 16px;
      position: relative;
      padding-left: 20px;
    }
    .timeline-chain::before {
      content: "";
      position: absolute;
      left: 6px;
      top: 6px;
      bottom: 6px;
      width: 2px;
      background: #CBD5E1;
    }
    .chain-step {
      position: relative;
    }
    .chain-step::before {
      content: "";
      position: absolute;
      left: -20px;
      top: 5px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--primary);
      border: 2px solid #FFFFFF;
      box-shadow: 0 0 0 1px var(--primary);
    }
    .chain-step h5 {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .chain-step p {
      font-size: 0.825rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 8. 票种对比：赛段组别对比 */
    .pricing-table-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .tier-box-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      position: relative;
    }
    .tier-box-card.featured {
      border: 2px solid var(--primary);
      transform: scale(1.02);
      box-shadow: var(--shadow-md);
    }
    .tier-hot-ribbon {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #fff;
      font-size: 0.725rem;
      font-weight: 800;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      text-transform: uppercase;
    }
    .tier-box-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .tier-pricing-num {
      margin: 16px 0 20px 0;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .tier-pricing-num .symbol {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .tier-pricing-num .amount {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--text-main);
    }
    .tier-pricing-num .unit {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .tier-specs-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 24px;
      flex: 1;
    }
    .tier-specs-list li {
      font-size: 0.85rem;
      color: #475569;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .tier-specs-list li::before {
      content: "✓";
      color: var(--secondary);
      font-weight: 900;
    }

    /* 9. 家长与教练评价 */
    .testimonial-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-speech-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-stars-bar {
      color: #F59E0B;
      font-size: 1rem;
      margin-bottom: 12px;
      letter-spacing: 2px;
    }
    .testi-speech-card p {
      font-size: 0.875rem;
      color: #334155;
      line-height: 1.65;
      margin-bottom: 18px;
    }
    .testi-author-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }
    .testi-author-meta img {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      object-fit: cover;
    }
    .testi-author-meta h5 {
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .testi-author-meta span {
      font-size: 0.775rem;
      color: var(--text-muted);
    }

    /* 10. 资讯：赛事动态与考级规则 */
    .news-cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-article-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-article-card img {
      width: 100%;
      height: 175px;
      object-fit: cover;
    }
    .news-card-inner {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date-tag {
      font-size: 0.75rem;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 6px;
    }
    .news-card-inner h3 {
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-main);
      line-height: 1.45;
    }
    .news-card-inner p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .news-card-link {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 11. 平台保障 */
    .guarantees-banner-bar {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 36px 0;
    }
    .guarantees-row-flex {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-cell {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .guarantee-icon {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.15rem;
      flex-shrink: 0;
    }
    .guarantee-text h4 {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 3px;
    }
    .guarantee-text p {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* 12. 快速解答：FAQ Accordion */
    .faq-accordion-wrap {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-entry-details {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.25s ease;
    }
    .faq-entry-details[open] {
      border-color: #FDBA74;
      box-shadow: var(--shadow-sm);
    }
    .faq-entry-summary {
      padding: 18px 22px;
      font-weight: 700;
      font-size: 1rem;
      cursor: pointer;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--text-main);
      user-select: none;
    }
    .faq-entry-summary::-webkit-details-marker {
      display: none;
    }
    .faq-entry-summary::after {
      content: "+";
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      transition: transform 0.2s ease;
    }
    .faq-entry-details[open] .faq-entry-summary::after {
      content: "−";
      transform: rotate(180deg);
    }
    .faq-answer-content {
      padding: 0 22px 20px 22px;
      font-size: 0.875rem;
      color: #475569;
      line-height: 1.65;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
    }

    /* 13. 试用申请 / 快速登记报名收口行动区 */
    .enroll-action-zone {
      background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }
    .enroll-action-zone::after {
      content: "";
      position: absolute;
      right: -80px;
      bottom: -80px;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(255, 107, 0, 0.25) 0%, transparent 70%);
      pointer-events: none;
    }
    .enroll-action-inner {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: center;
    }
    .action-text-part h2 {
      font-size: 1.95rem;
      font-weight: 900;
      color: #FFFFFF;
      margin-bottom: 12px;
    }
    .action-text-part p {
      font-size: 0.925rem;
      color: #CBD5E1;
      line-height: 1.65;
      margin-bottom: 20px;
    }
    .action-perks-row {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }
    .action-perk-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.825rem;
      color: #94A3B8;
    }
    .action-perk-badge::before {
      content: "•";
      color: var(--primary);
      font-size: 1.2rem;
    }

    .enroll-quick-form {
      background: #FFFFFF;
      padding: 28px 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      color: var(--text-main);
    }
    .enroll-quick-form h4 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 6px;
    }
    .enroll-quick-form .form-tip {
      font-size: 0.775rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      display: block;
    }
    .form-input-stack {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .form-control-input {
      width: 100%;
      height: 44px;
      padding: 0 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.875rem;
      color: var(--text-main);
      background-color: #F8FAFC;
    }
    .form-control-input:focus {
      outline: none;
      border-color: var(--primary);
      background-color: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.15);
    }
    .btn-submit-enroll {
      width: 100%;
      height: 46px;
      background-color: var(--primary);
      color: #FFFFFF;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.25s ease;
      margin-top: 6px;
    }
    .btn-submit-enroll:hover {
      background-color: var(--primary-hover);
    }

    /* 页脚 */
    .site-footer {
      background-color: #0B1120;
      color: #94A3B8;
      border-top: 1px solid #1E293B;
      padding-top: 60px;
      padding-bottom: 30px;
      font-size: 0.85rem;
    }
    .footer-grid-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }
    .footer-brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 14px;
    }
    .footer-brand-desc {
      line-height: 1.65;
      color: #64748B;
      margin-bottom: 18px;
    }
    .footer-col h4 {
      font-size: 0.925rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links-list a:hover {
      color: #FFFFFF;
    }
    .footer-bottom-bar {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.775rem;
      color: #64748B;
    }

    /* 移动端菜单控制 */
    .nav-toggle-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 6px 10px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      font-size: 1.1rem;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .services-grid-6,
      .programs-grid-3,
      .pricing-table-grid,
      .news-cards-grid-3,
      .testimonial-grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .guarantees-row-flex {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-dual-layout,
      .dark-inner-wrap,
      .enroll-action-inner {
        grid-template-columns: 1fr;
      }
      .footer-grid-top {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .nav-toggle-btn {
        display: block;
      }
      .hero-cover-canvas {
        height: 260px;
      }
      .profile-meta-bar {
        margin-top: -36px;
        padding: 0 10px;
      }
      .profile-avatar-img {
        width: 80px;
        height: 80px;
      }
      .profile-text-info h1 {
        font-size: 1.4rem;
      }
      .profile-cta-group {
        width: 100%;
        margin-top: 10px;
      }
      .btn-follow-main, .btn-follow-sub {
        flex: 1;
        text-align: center;
        justify-content: center;
      }
      .services-grid-6,
      .programs-grid-3,
      .pricing-table-grid,
      .milestone-grid-2,
      .news-cards-grid-3,
      .testimonial-grid-3,
      .kpi-grid,
      .guarantees-row-flex {
        grid-template-columns: 1fr;
      }
      .section-head h2 {
        font-size: 1.55rem;
      }
      .enroll-action-zone {
        padding: 30px 20px;
      }
      .footer-grid-top {
        grid-template-columns: 1fr;
      }
    }