/* roulang page: index */
:root {
      --primary: #00D06C;
      --primary-hover: #00b35c;
      --secondary: #FF5E1E;
      --secondary-hover: #e04e15;
      --bg-dark: #0D1117;
      --bg-card: #161B22;
      --bg-card-alt: #1F242C;
      --text-main: #FFFFFF;
      --text-muted: #C9D1D9;
      --text-dim: #8B949E;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-highlight: rgba(0, 208, 108, 0.4);
      --shadow-normal: 0 8px 24px rgba(0, 0, 0, 0.45);
      --shadow-hover: 0 12px 32px rgba(0, 208, 108, 0.15);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 16px;
    }

    * { box-sizing: border-box; }
    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-dark);
      color: var(--text-muted);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }

    a { color: inherit; text-decoration: none; transition: all 0.25s ease; }
    a:hover { color: var(--primary); }

    /* 全局通用版式与间距 */
    .section-wrap {
      padding: 85px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-card);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .sec-header {
      margin-bottom: 45px;
      text-align: center;
    }
    .sec-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 1.5px;
      background: rgba(0, 208, 108, 0.1);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      border: 1px solid var(--border-highlight);
    }
    .sec-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .sec-desc {
      font-size: 15px;
      color: var(--text-dim);
      max-width: 680px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* 按钮通用体系 */
    .btn-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      background-color: var(--primary);
      color: #05140b;
      font-weight: 700;
      font-size: 15px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--primary);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(0, 208, 108, 0.3);
      transition: all 0.25s ease;
      min-height: 44px;
    }
    .btn-main:hover {
      background-color: var(--primary-hover);
      color: #000;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 208, 108, 0.45);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 26px;
      background: transparent;
      color: var(--text-main);
      font-weight: 600;
      font-size: 15px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      cursor: pointer;
      transition: all 0.25s ease;
      min-height: 44px;
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(0, 208, 108, 0.05);
      transform: translateY(-2px);
    }
    .btn-orange {
      background-color: var(--secondary);
      border-color: var(--secondary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(255, 94, 30, 0.3);
    }
    .btn-orange:hover {
      background-color: var(--secondary-hover);
      color: #fff;
      box-shadow: 0 6px 20px rgba(255, 94, 30, 0.45);
    }

    /* 时间线活动双行导航栏 */
    .site-nav-wrap {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(13, 17, 23, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-timeline-bar {
      background: #090c10;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      padding: 6px 0;
      font-size: 12px;
    }
    .timeline-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 94, 30, 0.15);
      color: var(--secondary);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
      font-size: 11px;
      margin-right: 12px;
      border: 1px solid rgba(255, 94, 30, 0.3);
    }
    .live-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--secondary);
      animation: pulseLive 1.5s infinite;
    }
    @keyframes pulseLive {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.3; transform: scale(1.3); }
      100% { opacity: 1; transform: scale(1); }
    }
    .nav-main-bar {
      padding: 14px 0;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-logo i {
      color: var(--primary);
      font-size: 24px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 22px;
    }
    .nav-links li a {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
    }
    .nav-links li a.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

    /* 1. 首屏轮播与痛点唤醒区 (#hero) */
    .hero-section {
      padding: 70px 0 90px;
      background: radial-gradient(circle at 80% 20%, rgba(0, 208, 108, 0.08) 0%, rgba(13, 17, 23, 0) 60%),
                  linear-gradient(180deg, #0D1117 0%, #12171F 100%);
      position: relative;
    }
    .hero-h1 {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-h1 span {
      background: linear-gradient(135deg, #00D06C 0%, #76FF03 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 16px;
      color: var(--text-muted);
      margin-bottom: 30px;
      line-height: 1.8;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }
    .pain-vs-gain-box {
      background: rgba(22, 27, 34, 0.85);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-normal);
    }
    .pain-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
      font-size: 13px;
    }
    .pain-row:last-child { margin-bottom: 0; }
    .badge-pain {
      background: rgba(255, 77, 79, 0.15);
      color: #ff7875;
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
      white-space: nowrap;
    }
    .badge-gain {
      background: rgba(0, 208, 108, 0.15);
      color: var(--primary);
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
      white-space: nowrap;
    }
    .hero-banner-display {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
      background: var(--bg-card);
    }
    .hero-banner-display img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      display: block;
    }
    .hero-banner-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 24px;
      background: linear-gradient(180deg, transparent 0%, rgba(9, 12, 16, 0.95) 85%);
    }

    /* 2. 品牌与全貌介绍 (#about-app) */
    .tech-specs-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
    }
    .tech-badge-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }
    .spec-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      background: rgba(255, 255, 255, 0.03);
      padding: 6px 12px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      color: var(--text-muted);
    }
    .spec-item i { color: var(--primary); }

    /* 3. 痛点破解与核心功能区 (#solutions) */
    .grid-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      transition: all 0.3s ease;
      height: 100%;
    }
    .grid-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-highlight);
      box-shadow: var(--shadow-hover);
    }
    .icon-box {
      width: 52px;
      height: 52px;
      border-radius: 10px;
      background: rgba(0, 208, 108, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: var(--primary);
      margin-bottom: 20px;
    }
    .grid-card h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .grid-card p {
      font-size: 14px;
      color: var(--text-dim);
      margin: 0;
      line-height: 1.6;
    }

    /* 4. 入驻体验流 (#steps) */
    .timeline-step {
      position: relative;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      text-align: center;
      height: 100%;
    }
    .step-number {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #11251c;
      color: var(--primary);
      border: 2px solid var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 800;
      margin: 0 auto 18px;
      box-shadow: 0 0 12px rgba(0, 208, 108, 0.3);
    }
    .timeline-step h5 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .timeline-step p {
      font-size: 13px;
      color: var(--text-dim);
      margin: 0;
    }

    /* 5. 热门特色频道矩阵 (#hot-features) */
    .channel-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .channel-img {
      height: 180px;
      overflow: hidden;
      position: relative;
    }
    .channel-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .channel-card:hover .channel-img img {
      transform: scale(1.05);
    }
    .channel-body {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .channel-tag {
      font-size: 12px;
      color: var(--secondary);
      font-weight: 600;
      margin-bottom: 8px;
      display: inline-block;
    }

    /* 6. 硬核案例与宣言 (#manifesto) */
    .manifesto-banner {
      background: linear-gradient(135deg, rgba(22, 27, 34, 0.95), rgba(13, 17, 23, 0.95)), 
                  url('/assets/images/ba33d46bded7db13.webp') center/cover no-repeat;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
    }
    .heat-map-panel {
      background: rgba(9, 12, 16, 0.85);
      border: 1px solid rgba(0, 208, 108, 0.2);
      border-radius: var(--radius-md);
      padding: 24px;
    }
    .heat-bar-wrap {
      margin-bottom: 16px;
    }
    .heat-bar-label {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      margin-bottom: 6px;
    }
    .heat-progress {
      height: 8px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 4px;
      overflow: hidden;
    }
    .heat-fill {
      height: 100%;
      border-radius: 4px;
    }

    /* 7. 球友故事 (#stories) */
    .story-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      margin-bottom: 24px;
    }
    .user-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }
    .avatar-circ {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #252d38;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: var(--primary);
      border: 1px solid var(--border-highlight);
    }
    .user-info-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .user-info-team {
      font-size: 12px;
      color: var(--text-dim);
    }

    /* 8. 关键数据指标 (#stats) */
    .stat-card {
      text-align: center;
      padding: 24px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
    }
    .stat-val {
      font-size: 38px;
      font-weight: 900;
      color: var(--primary);
      font-family: "Segoe UI", Arial, sans-serif;
      margin-bottom: 6px;
    }
    .stat-label {
      font-size: 13px;
      color: var(--text-dim);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    /* 9. 用户画像细分 (#personas) */
    .persona-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      height: 100%;
      transition: all 0.25s ease;
    }
    .persona-card:hover {
      border-color: var(--primary);
    }
    .persona-icon {
      font-size: 32px;
      color: var(--primary);
      margin-bottom: 14px;
    }
    .persona-card h5 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .persona-card p {
      font-size: 13px;
      color: var(--text-dim);
      margin: 0;
    }

    /* 10. 用户真实口碑评价 (#testimonials) */
    .testi-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      margin-bottom: 24px;
    }
    .stars-row {
      color: #ffb800;
      font-size: 13px;
      margin-bottom: 12px;
    }
    .testi-quote {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .testi-author {
      font-size: 12px;
      color: var(--text-dim);
      display: flex;
      justify-content: space-between;
    }

    /* 11. 社区精选动态摘要 (#community-feed) */
    .feed-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .feed-card img {
      height: 170px;
      width: 100%;
      object-fit: cover;
    }
    .feed-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .feed-meta {
      display: flex;
      justify-content: space-between;
      font-size: 11px;
      color: var(--text-dim);
      margin-bottom: 10px;
    }
    .feed-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .feed-desc {
      font-size: 13px;
      color: var(--text-dim);
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .feed-stats {
      font-size: 12px;
      color: var(--text-dim);
      display: flex;
      gap: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 10px;
    }

    /* 12. FAQ 手风琴 (#faq) */
    .custom-accordion {
      background: transparent;
      border: none;
    }
    .accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
    }
    .accordion-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      padding: 18px 24px;
      background: var(--bg-card);
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .accordion-title:hover {
      background: #1c232d;
      color: var(--primary);
    }
    .accordion-content {
      padding: 20px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      background: rgba(13, 17, 23, 0.5);
      border-top: 1px solid var(--border-color);
    }

    /* 13. 底部转化闭环 (#cta-download) */
    .cta-card {
      background: linear-gradient(135deg, #16241b 0%, #161B22 100%);
      border: 1px solid var(--border-highlight);
      border-radius: var(--radius-lg);
      padding: 60px 40px;
      text-align: center;
      box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
    }
    .cta-qr-box {
      width: 130px;
      height: 130px;
      background: #fff;
      padding: 10px;
      border-radius: 8px;
      margin: 20px auto 14px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .cta-qr-box img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    /* 页脚 */
    .site-footer {
      background: #080B0E;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px;
      font-size: 13px;
    }
    .footer-col-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links li a {
      color: var(--text-dim);
    }
    .footer-links li a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      margin-top: 50px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      text-align: center;
      color: var(--text-dim);
      font-size: 12px;
    }

    @media (max-width: 768px) {
      .hero-h1 { font-size: 30px; }
      .sec-title { font-size: 26px; }
      .section-wrap { padding: 50px 0; }
      .nav-links { display: none; }
      .hero-banner-display img { height: 260px; }
      .manifesto-banner { padding: 30px 20px; }
      .cta-card { padding: 40px 20px; }
    }