/* roulang page: index */
:root {
      --color-primary: #0F1115;
      --color-primary-light: #1A1D26;
      --color-accent: #635BFF;
      --color-accent-hover: #5046E5;
      --color-neon-coral: #FF4B55;
      --color-bg-light: #FAFAFC;
      --color-bg-white: #FFFFFF;
      --color-bg-dark: #14161D;
      --color-text-main: #111827;
      --color-text-muted: #4B5563;
      --color-text-light: #9CA3AF;
      --color-border: #E5E7EB;
      --color-border-card: rgba(0, 0, 0, 0.06);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-full: 9999px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 12px 28px -4px rgba(0, 0, 0, 0.08);
      --transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--color-bg-light);
      color: var(--color-text-main);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    /* 顶部通栏导航 */
    .top-announcement {
      background: #090A0D;
      color: #9CA3AF;
      font-size: 0.8125rem;
      padding: 0.45rem 1rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-announcement-inner {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .announcement-badge {
      background: rgba(99, 91, 255, 0.2);
      color: #8C85FF;
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      margin-right: 8px;
      font-weight: 600;
    }
    .announcement-links span {
      margin-left: 1.25rem;
    }
    .announcement-links span i {
      margin-right: 4px;
      color: var(--color-neon-coral);
    }

    .main-header {
      background: linear-gradient(90deg, #0F1115 0%, #1A1D26 100%);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    }
    .header-nav {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0.85rem 1rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #FFFFFF;
      font-weight: 800;
      font-size: 1.35rem;
      letter-spacing: -0.02em;
    }
    .brand-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-neon-coral) 100%);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.1rem;
      box-shadow: 0 2px 10px rgba(99, 91, 255, 0.4);
    }
    .nav-menu {
      display: flex;
      list-style: none;
      align-items: center;
      gap: 1.5rem;
      margin: 0;
    }
    .nav-menu li a {
      color: #D1D5DB;
      font-size: 0.9375rem;
      font-weight: 500;
      padding: 0.35rem 0.6rem;
      border-radius: 6px;
    }
    .nav-menu li a:hover {
      color: #FFFFFF;
      background: rgba(255, 255, 255, 0.08);
    }

    /* 按钮样式系统 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      font-size: 0.9375rem;
      padding: 0.65rem 1.4rem;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      gap: 8px;
      border: 1px solid transparent;
      min-height: 44px;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--color-accent) 0%, #4E44E5 100%);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(99, 91, 255, 0.35);
    }
    .btn-primary:hover {
      background: linear-gradient(135deg, #746DFF 0%, #5E55EC 100%);
      color: #FFFFFF;
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(99, 91, 255, 0.45);
    }
    .btn-coral {
      background: linear-gradient(135deg, var(--color-neon-coral) 0%, #E63E48 100%);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(255, 75, 85, 0.35);
    }
    .btn-coral:hover {
      background: linear-gradient(135deg, #FF626B 0%, #F54953 100%);
      color: #FFFFFF;
      transform: translateY(-2px);
    }
    .btn-ghost {
      background: transparent;
      border-color: rgba(255, 255, 255, 0.3);
      color: #FFFFFF;
    }
    .btn-ghost:hover {
      border-color: #FFFFFF;
      background: rgba(255, 255, 255, 0.1);
      color: #FFFFFF;
    }
    .btn-outline {
      background: transparent;
      border-color: var(--color-border);
      color: var(--color-text-main);
    }
    .btn-outline:hover {
      border-color: var(--color-accent);
      color: var(--color-accent);
      background: rgba(99, 91, 255, 0.04);
    }

    /* 板块通用布局 */
    .section-wrap {
      padding: 5.5rem 0;
      position: relative;
    }
    .section-dark {
      background-color: var(--color-bg-dark);
      color: #F9FAFB;
    }
    .section-gray {
      background-color: #F4F5F7;
    }
    .section-header {
      max-width: 820px;
      margin: 0 auto 3.5rem auto;
      text-align: center;
    }
    .section-header h2 {
      font-size: 2.15rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
      line-height: 1.3;
    }
    .section-dark .section-header h2 {
      color: #FFFFFF;
    }
    .section-header p {
      font-size: 1.0625rem;
      color: var(--color-text-muted);
      line-height: 1.8;
      margin: 0;
    }
    .section-dark .section-header p {
      color: #9CA3AF;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--color-accent);
      background: rgba(99, 91, 255, 0.1);
      padding: 0.25rem 0.75rem;
      border-radius: var(--radius-full);
      margin-bottom: 0.75rem;
    }
    .section-dark .section-tag {
      background: rgba(99, 91, 255, 0.2);
      color: #A5B4FC;
    }

    /* 通用卡片组件 */
    .card-modern {
      background: var(--color-bg-white);
      border: 1px solid var(--color-border-card);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }
    .card-modern:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(99, 91, 255, 0.3);
    }
    .card-body {
      padding: 1.75rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    /* 1. Hero 区 */
    .hero-section {
      background: linear-gradient(rgba(15, 17, 21, 0.88), rgba(15, 17, 21, 0.94)), url('/assets/images/140cd7a983251f46.jpg') center/cover no-repeat;
      color: #FFFFFF;
      padding: 5.5rem 0 6rem 0;
      position: relative;
    }
    .hero-title {
      font-size: 3.1rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.025em;
      margin-bottom: 1.25rem;
      color: #FFFFFF;
    }
    .hero-title span {
      background: linear-gradient(135deg, #FFFFFF 20%, #A5B4FC 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-subtitle {
      font-size: 1.125rem;
      color: #D1D5DB;
      line-height: 1.85;
      margin-bottom: 2rem;
      max-width: 620px;
    }
    .hero-cta-group {
      display: flex;
      gap: 1rem;
      align-items: center;
      margin-bottom: 2.5rem;
      flex-wrap: wrap;
    }
    .hero-meta-points {
      display: flex;
      gap: 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 1.5rem;
    }
    .hero-meta-item strong {
      display: block;
      font-size: 1.25rem;
      color: #FFFFFF;
      font-family: monospace;
    }
    .hero-meta-item span {
      font-size: 0.8125rem;
      color: #9CA3AF;
    }
    .hero-board-panel {
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }
    .hero-board-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1.25rem;
      padding-bottom: 0.85rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .status-indicator {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8125rem;
      color: #34D399;
      background: rgba(52, 211, 153, 0.15);
      padding: 3px 10px;
      border-radius: 20px;
    }
    .status-dot {
      width: 7px;
      height: 7px;
      background: #34D399;
      border-radius: 50%;
      box-shadow: 0 0 8px #34D399;
    }

    /* 2. 规格参数区 */
    .specs-card {
      background: var(--color-bg-white);
      border-radius: var(--radius-md);
      border: 1px solid var(--color-border);
      padding: 2.25rem;
      box-shadow: var(--shadow-card);
    }
    .specs-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1.5rem;
      margin-top: 1.5rem;
    }
    .specs-item {
      padding: 1rem;
      background: #F8FAFC;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--color-accent);
    }
    .specs-item .val {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--color-primary);
      margin-bottom: 2px;
      font-family: monospace;
    }
    .specs-item .lbl {
      font-size: 0.875rem;
      color: var(--color-text-muted);
    }

    /* 3. 核心优势区 (6宫格) */
    .advantage-card {
      background: #FFFFFF;
      border: 1px solid var(--color-border-card);
      border-radius: var(--radius-md);
      padding: 2rem;
      transition: var(--transition);
      box-shadow: var(--shadow-card);
      height: 100%;
    }
    .advantage-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(99, 91, 255, 0.35);
    }
    .advantage-icon {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(99, 91, 255, 0.08);
      color: var(--color-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      margin-bottom: 1.25rem;
    }
    .advantage-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 0.65rem;
      color: var(--color-text-main);
    }
    .advantage-card p {
      font-size: 0.9375rem;
      color: var(--color-text-muted);
      line-height: 1.7;
      margin: 0;
    }

    /* 4. 产品矩阵区 */
    .game-thumb {
      height: 190px;
      object-fit: cover;
      width: 100%;
    }
    .game-badge {
      position: absolute;
      top: 12px;
      right: 12px;
      background: rgba(15, 17, 21, 0.85);
      backdrop-filter: blur(4px);
      color: #FFFFFF;
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .metric-bar {
      display: flex;
      justify-content: space-between;
      padding: 0.75rem 0;
      border-top: 1px solid var(--color-border);
      border-bottom: 1px solid var(--color-border);
      margin: 1rem 0;
      font-size: 0.875rem;
    }
    .metric-bar span strong {
      color: var(--color-neon-coral);
    }

    /* 5. 深色架构理念区 */
    .arch-flow-box {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(255, 255, 255, 0.03);
      border-radius: var(--radius-md);
      padding: 1.75rem;
      position: relative;
      height: 100%;
    }
    .arch-layer-step {
      font-size: 0.75rem;
      font-weight: 800;
      color: #8C85FF;
      letter-spacing: 0.08em;
      margin-bottom: 0.5rem;
      display: block;
    }
    .arch-flow-box h3 {
      font-size: 1.25rem;
      color: #FFFFFF;
      margin-bottom: 0.75rem;
    }
    .arch-flow-box p {
      font-size: 0.925rem;
      color: #9CA3AF;
      margin: 0;
      line-height: 1.7;
    }

    /* 6. 发行商场景演示 */
    .scenario-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
      height: 100%;
    }
    .scenario-content {
      padding: 2rem;
    }
    .scenario-tag {
      font-size: 0.8rem;
      color: #059669;
      background: #D1FAE5;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
      display: inline-block;
      margin-bottom: 0.75rem;
    }
    .scenario-content h3 {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
    }

    /* 7. 关键数据统计条 */
    .stats-strip {
      background: #090A0D;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 3.5rem 0;
      color: #FFFFFF;
    }
    .stat-number {
      font-size: 2.85rem;
      font-weight: 800;
      line-height: 1.1;
      margin-bottom: 0.4rem;
      background: linear-gradient(135deg, #FFFFFF 40%, #A5B4FC 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      font-family: monospace;
    }
    .stat-title {
      font-size: 1rem;
      font-weight: 600;
      color: #F3F4F6;
      margin-bottom: 0.25rem;
    }
    .stat-desc {
      font-size: 0.8125rem;
      color: #9CA3AF;
      line-height: 1.5;
    }

    /* 8. 真实口碑区 */
    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 2rem;
      box-shadow: var(--shadow-card);
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars {
      color: #F59E0B;
      margin-bottom: 1rem;
      font-size: 0.9rem;
    }
    .review-quote {
      font-size: 0.95rem;
      color: var(--color-text-main);
      line-height: 1.75;
      margin-bottom: 1.5rem;
      font-style: normal;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F3F4F6;
      padding-top: 1rem;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E5E7EB;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #4B5563;
    }
    .author-info h4 {
      font-size: 0.9375rem;
      font-weight: 700;
      margin: 0;
      color: var(--color-text-main);
    }
    .author-info p {
      font-size: 0.8125rem;
      color: var(--color-text-light);
      margin: 0;
    }

    /* 9. 资讯与技术证据 */
    .news-card-hero {
      background: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      height: 100%;
    }
    .news-mini-item {
      background: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 1.25rem 1.5rem;
      margin-bottom: 1rem;
      transition: var(--transition);
    }
    .news-mini-item:hover {
      border-color: var(--color-accent);
      transform: translateX(4px);
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--color-text-light);
      margin-bottom: 0.35rem;
    }
    .news-mini-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 0.35rem;
      color: var(--color-text-main);
    }
    .news-mini-item p {
      font-size: 0.875rem;
      color: var(--color-text-muted);
      margin: 0;
      line-height: 1.6;
    }

    /* 10. FAQ 手风琴 */
    .accordion {
      background: transparent;
      border: none;
    }
    .accordion-item {
      background: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md) !important;
      margin-bottom: 1rem;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .accordion-title {
      font-size: 1.0625rem;
      font-weight: 600;
      color: var(--color-text-main);
      padding: 1.25rem 1.75rem;
      border: none;
      background: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .accordion-title:hover, .accordion-title:focus {
      background: #F9FAFB;
      color: var(--color-accent);
    }
    .accordion-title::before {
      display: none;
    }
    .accordion-content {
      padding: 1.25rem 1.75rem 1.5rem;
      color: var(--color-text-muted);
      font-size: 0.95rem;
      line-height: 1.8;
      border-top: 1px solid #F3F4F6;
    }

    /* 11. 安全保障徽章条 */
    .assurance-strip {
      background: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 2.25rem;
      box-shadow: var(--shadow-sm);
    }
    .assurance-item {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .assurance-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: rgba(99, 91, 255, 0.1);
      color: var(--color-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      flex-shrink: 0;
    }
    .assurance-item h4 {
      font-size: 1rem;
      font-weight: 700;
      margin: 0 0 2px 0;
    }
    .assurance-item p {
      font-size: 0.8125rem;
      color: var(--color-text-light);
      margin: 0;
    }

    /* 12. 底部强转化 CTA */
    .bottom-cta-banner {
      background: linear-gradient(135deg, #0F1115 0%, #1E1B4B 60%, #31103F 100%);
      border-radius: var(--radius-lg);
      padding: 4rem 2rem;
      color: #FFFFFF;
      text-align: center;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }
    .bottom-cta-banner h2 {
      font-size: 2.35rem;
      font-weight: 800;
      margin-bottom: 1rem;
      color: #FFFFFF;
    }
    .bottom-cta-banner p {
      font-size: 1.0625rem;
      color: #D1D5DB;
      max-width: 680px;
      margin: 0 auto 2.25rem auto;
      line-height: 1.8;
    }

    /* 底部固定转化浮条 */
    .sticky-conversion-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(15, 17, 21, 0.96);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 0.75rem 1rem;
      z-index: 999;
      box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.25);
    }
    .sticky-bar-inner {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .sticky-info {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #FFFFFF;
      font-size: 0.9375rem;
    }
    .sticky-tag {
      background: var(--color-neon-coral);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* 页脚设计 */
    .site-footer {
      background: #090A0D;
      color: #9CA3AF;
      padding: 5rem 0 5rem 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9375rem;
    }
    .footer-brand h3 {
      color: #FFFFFF;
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 0.75rem;
    }
    .footer-brand p {
      line-height: 1.7;
      color: #9CA3AF;
      margin-bottom: 1.25rem;
    }
    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
    }
    .footer-links {
      list-style: none;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
    }
    .footer-links a:hover {
      color: #FFFFFF;
      text-decoration: underline;
    }
    .footer-bottom {
      max-width: 1200px;
      margin: 3.5rem auto 0 auto;
      padding-top: 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
      font-size: 0.8125rem;
    }

    /* 移动端响应优化 */
    @media screen and (max-width: 1024px) {
      .hero-title {
        font-size: 2.45rem;
      }
      .nav-menu {
        gap: 0.85rem;
      }
    }
    @media screen and (max-width: 768px) {
      .top-announcement {
        display: none;
      }
      .nav-menu {
        display: none;
      }
      .hero-section {
        padding: 3.5rem 0 4rem 0;
      }
      .hero-title {
        font-size: 2rem;
      }
      .hero-meta-points {
        flex-direction: column;
        gap: 1rem;
      }
      .specs-grid {
        grid-template-columns: 1fr;
      }
      .sticky-info {
        display: none;
      }
      .sticky-bar-inner {
        justify-content: center;
        gap: 10px;
        width: 100%;
      }
      .sticky-bar-inner .btn {
        flex: 1;
      }
      .section-wrap {
        padding: 3.5rem 0;
      }
      .section-header h2 {
        font-size: 1.75rem;
      }
      .site-footer {
        padding-bottom: 6.5rem;
      }
    }