/* roulang page: index */
:root {
      --primary-color: #059669;
      --primary-light: #10B981;
      --primary-gradient: linear-gradient(135deg, #059669 0%, #10B981 100%);
      --accent-color: #F97316;
      --accent-hover: #EA580C;
      --bg-main: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-dark: #0F172A;
      --bg-dark-card: #1E293B;
      --text-main: #0F172A;
      --text-regular: #334155;
      --text-muted: #64748B;
      --border-color: rgba(226, 232, 240, 0.9);
      --border-dark: #334155;
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-pill: 9999px;
      --shadow-soft: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 20px 25px -5px rgba(16, 185, 129, 0.15), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* 基础重置 */
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-regular);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--primary-light); }
    img { max-width: 100%; height: auto; display: block; }
    ul { list-style: none; margin: 0; padding: 0; }

    /* 顶栏微型服务条 */
    .top-meta-bar {
      background-color: #0B1320;
      color: #94A3B8;
      font-size: 0.8125rem;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-meta-bar .grid-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-badge-pulse {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .pulse-dot {
      width: 7px;
      height: 7px;
      background-color: var(--primary-light);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--primary-light);
    }

    /* 主导航 */
    .main-site-header {
      background: rgba(255, 255, 255, 0.98);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
      backdrop-filter: blur(12px);
    }
    .nav-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .brand-logo-icon {
      width: 42px;
      height: 42px;
      background: var(--primary-gradient);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      font-size: 1.3rem;
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    }
    .brand-logo-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .nav-menu-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-menu-links a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-regular);
      position: relative;
      padding: 6px 0;
    }
    .nav-menu-links a:hover,
    .nav-menu-links a.active {
      color: var(--primary-color);
    }
    .nav-menu-links a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--primary-color);
      border-radius: 2px;
    }
    .nav-action-btn {
      background: var(--primary-gradient);
      color: #FFF;
      padding: 9px 20px;
      font-size: 0.9rem;
      font-weight: 700;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .nav-action-btn:hover {
      color: #FFF;
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(16, 185, 129, 0.45);
    }

    /* 板块一：斜切色块首屏 (Hero) */
    .hero-slant-section {
      position: relative;
      background-color: var(--bg-dark);
      background-image: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.92)), url('/assets/images/910f24e2c619cbc7.jpg');
      background-size: cover;
      background-position: center;
      padding: 85px 0 130px;
      overflow: hidden;
      clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
    }
    .hero-badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(16, 185, 129, 0.15);
      border: 1px solid rgba(16, 185, 129, 0.3);
      color: #34D399;
      font-size: 0.875rem;
      font-weight: 700;
      border-radius: var(--radius-pill);
      margin-bottom: 24px;
    }
    .hero-main-title {
      color: #FFFFFF;
      font-size: 3.2rem;
      font-weight: 900;
      line-height: 1.18;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-main-title span {
      background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead-desc {
      color: #CBD5E1;
      font-size: 1.125rem;
      max-width: 680px;
      line-height: 1.8;
      margin-bottom: 34px;
    }
    .hero-cta-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      background: var(--accent-color);
      color: #FFF;
      font-size: 1.1rem;
      font-weight: 700;
      padding: 16px 36px;
      border-radius: var(--radius-pill);
      box-shadow: 0 10px 25px rgba(249, 115, 22, 0.4);
    }
    .hero-cta-btn:hover {
      background: var(--accent-hover);
      color: #FFF;
      transform: translateY(-3px);
      box-shadow: 0 14px 28px rgba(249, 115, 22, 0.5);
    }
    .hero-trust-proofs {
      display: flex;
      align-items: center;
      gap: 24px;
      margin-top: 36px;
      color: #94A3B8;
      font-size: 0.85rem;
    }
    .hero-trust-proofs i {
      color: #10B981;
      margin-right: 6px;
    }

    /* 板块二：Hero下方独立 Pill 胶囊分类条 */
    .pill-nav-container {
      margin-top: -38px;
      position: relative;
      z-index: 40;
      padding-bottom: 30px;
    }
    .pill-nav-wrapper {
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-pill);
      padding: 8px 12px;
      display: flex;
      align-items: center;
      gap: 8px;
      overflow-x: auto;
      white-space: nowrap;
      scrollbar-width: none;
    }
    .pill-nav-wrapper::-webkit-scrollbar { display: none; }
    .pill-btn-item {
      padding: 8px 18px;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-regular);
      border-radius: var(--radius-pill);
      transition: var(--transition);
      display: inline-block;
    }
    .pill-btn-item:hover {
      background: rgba(16, 185, 129, 0.08);
      color: var(--primary-color);
    }
    .pill-btn-item.active {
      background: var(--primary-gradient);
      color: #FFFFFF;
      box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
    }

    /* 通用板块外框与排版 */
    .app-section-pad {
      padding: 80px 0;
      position: relative;
    }
    .section-header-block {
      margin-bottom: 48px;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(16, 185, 129, 0.1);
      color: var(--primary-color);
      font-size: 0.8125rem;
      font-weight: 700;
      border-radius: var(--radius-pill);
      margin-bottom: 12px;
      text-transform: uppercase;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 14px;
    }
    .section-subtext {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 660px;
      line-height: 1.7;
    }

    /* 圆角大卡与阴影系统 */
    .app-card-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
      height: 100%;
      position: relative;
    }
    .app-card-box:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(16, 185, 129, 0.4);
    }

    /* 板块三：痛点唤醒与革新对比 */
    .pain-card {
      background: #FFF1F2;
      border: 1px solid #FFE4E6;
      border-radius: var(--radius-lg);
      padding: 32px;
    }
    .gain-card {
      background: #ECFDF5;
      border: 1px solid #D1FAE5;
      border-radius: var(--radius-lg);
      padding: 32px;
    }
    .pain-point-list li, .gain-point-list li {
      margin-bottom: 16px;
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.95rem;
    }

    /* 板块四：主队圈子与生态方案 */
    .eco-feature-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }
    .eco-feature-img {
      height: 220px;
      width: 100%;
      object-fit: cover;
    }
    .eco-feature-content {
      padding: 28px;
    }

    /* 板块五：6大功能矩阵网格 */
    .feature-icon-circle {
      width: 58px;
      height: 58px;
      border-radius: var(--radius-md);
      background: rgba(16, 185, 129, 0.1);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 20px;
    }

    /* 板块六：终端矩阵体验 */
    .device-card-inner {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      text-align: center;
    }
    .device-screen-preview {
      border-radius: var(--radius-md);
      margin-bottom: 20px;
      height: 180px;
      object-fit: cover;
      width: 100%;
    }

    /* 板块七：沉浸夜场理念深色区 */
    .dark-immersion-band {
      background: var(--bg-dark);
      color: #FFF;
      padding: 85px 0;
    }
    .dark-stat-grid-card {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    /* 板块八：用户故事卡 */
    .story-card-flex {
      display: flex;
      gap: 20px;
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
    }
    .story-avatar {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      object-fit: cover;
      flex-shrink: 0;
    }

    /* 板块九：统计指标长条区 */
    .stats-metric-strip {
      background: var(--primary-gradient);
      color: #FFF;
      padding: 50px 0;
      border-radius: var(--radius-lg);
      margin: 20px 0;
    }
    .stat-number-giant {
      font-size: 2.7rem;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .stat-label-text {
      font-size: 0.95rem;
      opacity: 0.9;
    }

    /* 板块十：真实评价口碑墙 */
    .review-user-quote {
      font-size: 0.95rem;
      color: var(--text-regular);
      font-style: italic;
      margin-bottom: 18px;
    }
    .star-rating-row {
      color: #F59E0B;
      font-size: 0.85rem;
      margin-bottom: 12px;
    }

    /* 板块十一：深度战术与赛事专栏列表 */
    .article-snippet-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .article-thumb-img {
      height: 190px;
      width: 100%;
      object-fit: cover;
    }
    .article-content-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    /* 板块十二：FAQ 手风琴与收口CTA */
    .faq-accordion-group {
      margin-bottom: 50px;
    }
    .faq-item-box {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-item-box summary {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
    }
    .faq-item-box summary::-webkit-details-marker { display: none; }
    .faq-item-box summary::after {
      content: '\f078';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      color: var(--text-muted);
      transition: transform 0.2s ease;
    }
    .faq-item-box[open] summary::after {
      transform: rotate(180deg);
      color: var(--primary-color);
    }
    .faq-content-inner {
      padding: 0 24px 20px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }
    .final-cta-banner {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #FFF;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* 全局页脚 */
    .site-footer-global {
      background: #0B1320;
      color: #94A3B8;
      padding: 60px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9rem;
    }
    .footer-brand-title {
      color: #FFF;
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .footer-column h4 {
      color: #F8FAFC;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-column ul li {
      margin-bottom: 10px;
    }
    .footer-column ul li a:hover {
      color: var(--primary-light);
    }
    .footer-bottom-line {
      margin-top: 40px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      text-align: center;
      font-size: 0.8125rem;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-main-title { font-size: 2.6rem; }
      .stat-number-giant { font-size: 2.2rem; }
    }
    @media (max-width: 768px) {
      .hero-main-title { font-size: 2.1rem; }
      .hero-slant-section { padding: 60px 0 100px; clip-path: polygon(0 0, 100% 0, 100% 97%, 0 100%); }
      .nav-menu-links { display: none; }
      .story-card-flex { flex-direction: column; }
      .story-avatar { width: 56px; height: 56px; }
      .final-cta-banner { padding: 36px 20px; text-align: center; }
    }