/* roulang page: index */
:root {
      --bg-main: #070b14;
      --bg-card: rgba(15, 23, 42, 0.75);
      --bg-card-hover: rgba(22, 36, 65, 0.85);
      --accent-primary: #00f0ff;
      --accent-secondary: #7000ff;
      --text-primary: #f8fafc;
      --text-secondary: #94a3b8;
      --text-muted: #64748b;
      --border-glow: rgba(0, 240, 255, 0.28);
      --border-glass: rgba(255, 255, 255, 0.08);
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      --container-width: 1280px;
      --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }
    
    body {
      background-color: var(--bg-main);
      color: var(--text-primary);
      font-family: var(--font-stack);
      line-height: 1.6;
      overflow-x: hidden;
    }
    
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 20px;
    }
    
    /* 顶部状态栏 */
    .top-status-bar {
      height: 38px;
      background: rgba(4, 7, 13, 0.95);
      border-bottom: 1px solid var(--border-glass);
      font-size: 13px;
      display: flex;
      align-items: center;
      position: relative;
      z-index: 100;
    }
    .status-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .status-left, .status-right {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .status-indicator {
      display: inline-block;
      width: 8px;
      height: 8px;
      background-color: #00ff88;
      border-radius: 50%;
      box-shadow: 0 0 8px #00ff88;
      margin-right: 6px;
    }
    .badge-chip {
      background: rgba(0, 240, 255, 0.1);
      color: var(--accent-primary);
      border: 1px solid var(--border-glow);
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 11px;
    }
    
    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 99;
      background: rgba(7, 11, 20, 0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-glass);
      height: 72px;
      display: flex;
      align-items: center;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      font-size: 20px;
      font-weight: 800;
      letter-spacing: 0.5px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff;
    }
    .logo-glow {
      background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 26px;
    }
    .nav-link {
      font-size: 15px;
      color: var(--text-secondary);
      font-weight: 500;
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--accent-primary);
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent-primary);
      transition: var(--transition-smooth);
    }
    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }
    
    /* 核心发光按钮 */
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      background: linear-gradient(135deg, #00d2ff, #7000ff);
      color: #fff;
      font-weight: 600;
      font-size: 14px;
      border-radius: 8px;
      box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
      border: 1px solid rgba(255, 255, 255, 0.2);
      cursor: pointer;
      transition: var(--transition-smooth);
      min-height: 44px;
    }
    .btn-glow:hover {
      box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
      transform: translateY(-2px);
      color: #fff;
    }
    .btn-glow:active {
      transform: scale(0.98);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-primary);
      font-weight: 600;
      font-size: 14px;
      border-radius: 8px;
      border: 1px solid var(--border-glass);
      cursor: pointer;
      transition: var(--transition-smooth);
      min-height: 44px;
    }
    .btn-outline:hover {
      border-color: var(--accent-primary);
      background: rgba(0, 240, 255, 0.08);
      color: var(--accent-primary);
    }

    /* 板块通用 */
    .site-section {
      padding: 90px 0;
      position: relative;
    }
    .site-section:nth-of-type(even) {
      background: linear-gradient(180deg, rgba(12, 20, 36, 0.5) 0%, rgba(7, 11, 20, 0.9) 100%);
    }
    .site-section:nth-of-type(odd) {
      background: rgba(7, 11, 20, 1);
    }
    .section-head {
      margin-bottom: 48px;
    }
    .section-head.center {
      text-align: center;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      font-size: 13px;
      color: var(--accent-primary);
      text-transform: uppercase;
      letter-spacing: 2px;
      font-weight: 700;
      margin-bottom: 12px;
      display: inline-block;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-primary);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    
    /* 玻璃卡片 */
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-glass);
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 14px;
      padding: 30px;
      transition: var(--transition-smooth);
      position: relative;
      overflow: hidden;
    }
    .glass-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-glow);
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.25);
      transform: translateY(-4px);
    }

    /* 1. Hero 板块: 5:7 左右斜向错位 */
    .hero-section {
      min-height: calc(100vh - 110px);
      display: flex;
      align-items: center;
      position: relative;
      background: radial-gradient(circle at 75% 30%, rgba(112, 0, 255, 0.25) 0%, rgba(7, 11, 20, 0) 70%),
                  linear-gradient(rgba(7, 11, 20, 0.75), rgba(7, 11, 20, 0.95)),
                  url('/assets/images/1e44c8a559c0e3cf.jpg') center/cover no-repeat;
      padding: 70px 0;
      overflow: hidden;
    }
    .hero-layout {
      display: grid;
      grid-template-columns: 5fr 7fr;
      gap: 40px;
      align-items: center;
    }
    .hero-badge-live {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(0, 240, 255, 0.12);
      border: 1px solid var(--border-glow);
      border-radius: 20px;
      font-size: 13px;
      color: var(--accent-primary);
      margin-bottom: 20px;
    }
    .hero-title {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-intro {
      font-size: 16px;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }
    .hero-kpis {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      border-top: 1px solid var(--border-glass);
      padding-top: 24px;
    }
    .kpi-val {
      font-size: 26px;
      font-weight: 800;
      color: var(--accent-primary);
      display: block;
      font-family: monospace;
    }
    .kpi-lbl {
      font-size: 13px;
      color: var(--text-muted);
    }
    .hero-visual-stage {
      position: relative;
      border-radius: 18px;
      overflow: hidden;
      border: 1px solid var(--border-glow);
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
      transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
      transition: var(--transition-smooth);
    }
    .hero-visual-stage:hover {
      transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
    }
    .hero-stage-img {
      width: 100%;
      height: 480px;
      object-fit: cover;
    }
    .hero-floating-hud {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(7, 11, 20, 0.85);
      backdrop-filter: blur(12px);
      border: 1px solid var(--border-glow);
      border-radius: 10px;
      padding: 16px;
      display: flex;
      justify-content: space-around;
      align-items: center;
    }
    .hud-item {
      text-align: center;
    }
    .hud-title {
      font-size: 11px;
      color: var(--text-muted);
    }
    .hud-value {
      font-size: 16px;
      font-weight: 700;
      color: #00ff88;
    }

    /* 2. 分类入口板块 */
    .category-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .category-card {
      text-align: center;
      padding: 30px 20px;
    }
    .cat-icon-box {
      width: 60px;
      height: 60px;
      margin: 0 auto 16px;
      background: rgba(0, 240, 255, 0.1);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      color: var(--accent-primary);
      border: 1px solid var(--border-glow);
    }
    .cat-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .cat-text {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* 3. 精选推荐 */
    .featured-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feat-card {
      padding: 0;
      border-radius: 16px;
    }
    .feat-cover {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }
    .feat-body {
      padding: 24px;
    }
    .feat-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;
    }
    .feat-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .feat-desc {
      font-size: 14px;
      color: var(--text-secondary);
      margin-bottom: 20px;
      line-height: 1.6;
    }

    /* 4. 资讯动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card-date {
      font-size: 12px;
      color: var(--accent-primary);
      margin-bottom: 8px;
    }
    .news-card-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-card-brief {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* 5. 热门排行榜 */
    .rank-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .rank-card {
      position: relative;
    }
    .rank-num {
      position: absolute;
      top: 16px;
      right: 20px;
      font-size: 38px;
      font-weight: 900;
      color: rgba(255, 255, 255, 0.05);
      font-family: monospace;
    }
    .rank-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .rank-stat-bar {
      margin: 16px 0;
      background: rgba(255, 255, 255, 0.06);
      height: 6px;
      border-radius: 3px;
      overflow: hidden;
    }
    .rank-stat-fill {
      background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
      height: 100%;
    }

    /* 6. 运行流程 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .flow-card {
      text-align: center;
      padding: 30px 20px;
      position: relative;
    }
    .flow-seq {
      width: 36px;
      height: 36px;
      line-height: 36px;
      margin: 0 auto 16px;
      background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
      border-radius: 50%;
      font-weight: 800;
      font-size: 16px;
    }
    .flow-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .flow-desc {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* 7. 控制台实时预览 */
    .console-monitor-container {
      background: rgba(10, 16, 30, 0.9);
      border: 1px solid var(--border-glow);
      border-radius: 16px;
      padding: 30px;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
      align-items: center;
    }
    .console-hud-screen {
      background: #03060c;
      border: 1px solid var(--border-glass);
      border-radius: 10px;
      padding: 24px;
      position: relative;
    }
    .hud-title-bar {
      display: flex;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-glass);
      padding-bottom: 12px;
      margin-bottom: 16px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .hud-stream-data {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .hud-metric-box {
      background: rgba(255, 255, 255, 0.02);
      padding: 16px;
      border-radius: 8px;
      border-left: 3px solid var(--accent-primary);
    }
    .hud-metric-num {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-primary);
      font-family: monospace;
    }
    .hud-metric-label {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .console-side-info h3 {
      font-size: 22px;
      margin-bottom: 16px;
    }
    .console-side-info p {
      color: var(--text-secondary);
      font-size: 15px;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    /* 8. 案例/公会成长证据 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .case-card {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .case-header {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .case-avatar {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: linear-gradient(135deg, #00d2ff, #7000ff);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: #fff;
    }
    .case-author {
      font-weight: 700;
      font-size: 16px;
    }
    .case-role {
      font-size: 12px;
      color: var(--accent-primary);
    }
    .case-body {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    .case-metric {
      display: flex;
      gap: 20px;
      background: rgba(0, 0, 0, 0.2);
      padding: 12px 16px;
      border-radius: 8px;
      font-size: 13px;
    }

    /* 9. 合作伙伴 */
    .partner-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }
    .partner-card {
      text-align: center;
      padding: 20px 10px;
      background: rgba(15, 23, 42, 0.4);
      border: 1px solid var(--border-glass);
      border-radius: 10px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-secondary);
      transition: var(--transition-smooth);
    }
    .partner-card:hover {
      border-color: var(--accent-primary);
      color: var(--accent-primary);
      background: rgba(0, 240, 255, 0.05);
    }

    /* 10. 保障体系条 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .guarantee-card {
      padding: 24px;
      text-align: center;
    }
    .guarantee-icon {
      font-size: 32px;
      margin-bottom: 12px;
      color: var(--accent-primary);
    }
    .guarantee-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .guarantee-desc {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* 11. FAQ 手风琴 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: 10px;
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition-smooth);
    }
    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 600;
      font-size: 16px;
    }
    .faq-toggle-icon {
      font-size: 18px;
      color: var(--accent-primary);
      transition: transform 0.3s;
    }
    .faq-answer {
      padding: 0 24px 20px 24px;
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.7;
      display: none;
    }
    .faq-item.active {
      border-color: var(--border-glow);
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }

    /* 12. 即刻接入 CTA 收口 */
    .cta-container {
      background: radial-gradient(circle at center, rgba(0, 240, 255, 0.15) 0%, rgba(7, 11, 20, 0.95) 75%),
                  url('/assets/images/cafe27bb282c42e6.webp') center/cover no-repeat;
      border: 1px solid var(--border-glow);
      border-radius: 20px;
      padding: 60px 40px;
      text-align: center;
      box-shadow: 0 0 50px rgba(0, 240, 255, 0.15);
      position: relative;
    }
    .cta-heading {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .cta-sub {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 680px;
      margin: 0 auto 32px;
      line-height: 1.7;
    }
    .cta-form-row {
      display: flex;
      justify-content: center;
      gap: 12px;
      max-width: 520px;
      margin: 0 auto 28px;
    }
    .cta-input {
      flex: 1;
      height: 48px;
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid var(--border-glow);
      border-radius: 8px;
      padding: 0 16px;
      color: var(--text-primary);
      font-size: 14px;
      outline: none;
      transition: var(--transition-smooth);
    }
    .cta-input:focus {
      border-color: var(--accent-primary);
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.35);
    }
    .cta-trust-bar {
      display: flex;
      justify-content: center;
      gap: 32px;
      font-size: 13px;
      color: var(--text-muted);
      flex-wrap: wrap;
    }
    .cta-trust-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .cta-trust-item::before {
      content: "✔";
      color: var(--accent-primary);
      font-weight: 700;
    }

    /* 页脚 */
    .site-footer {
      background: #04070d;
      border-top: 1px solid var(--border-glass);
      padding: 60px 0 24px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 2fr;
      gap: 36px;
      margin-bottom: 40px;
    }
    .footer-col-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-secondary);
      font-size: 14px;
    }
    .footer-links a:hover {
      color: var(--accent-primary);
    }
    .footer-info-text {
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.8;
      margin-bottom: 14px;
    }
    .footer-bottom {
      border-top: 1px solid var(--border-glass);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: var(--text-muted);
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 移动端汉堡与响应式 */
    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: 1px solid var(--border-glass);
      color: var(--text-primary);
      padding: 8px 12px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 18px;
    }

    @media (max-width: 1024px) {
      .hero-layout {
        grid-template-columns: 1fr;
      }
      .hero-visual-stage {
        transform: none;
      }
      .category-grid, .guarantee-grid, .partner-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .featured-grid, .news-grid, .rank-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .console-monitor-container {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-status-bar {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .main-nav {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(7, 11, 20, 0.98);
        border-bottom: 1px solid var(--border-glow);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        display: none;
      }
      .main-nav.show {
        display: flex;
      }
      .header-actions {
        display: none;
      }
      .hero-title {
        font-size: 28px;
      }
      .section-title {
        font-size: 24px;
      }
      .featured-grid, .news-grid, .rank-grid, .case-grid, .category-grid, .flow-steps, .partner-grid, .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .hero-kpis {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .cta-form-row {
        flex-direction: column;
      }
      .cta-trust-bar {
        gap: 12px;
        flex-direction: column;
        align-items: center;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }