/* roulang page: index */
:root {
      --bg-dark: #0B0E14;
      --bg-surface: #121622;
      --bg-card: rgba(22, 28, 42, 0.75);
      --brand-gradient: linear-gradient(135deg, #7928CA 0%, #00DFD8 100%);
      --neon-cyan: #00F5D4;
      --neon-magenta: #FF007A;
      --text-white: #FFFFFF;
      --text-gray: #D1D5DB;
      --text-muted: #9CA3AF;
      --border-color: rgba(255, 255, 255, 0.12);
      --border-glow: rgba(0, 223, 216, 0.45);
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --shadow-neon: 0 10px 30px -10px rgba(0, 223, 216, 0.3);
    }

    * { box-sizing: border-box; }
    body {
      background-color: var(--bg-dark);
      color: var(--text-gray);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      margin: 0;
      overflow-x: hidden;
    }

    /* 顶部状态与公告栏 */
    .top-bar-announcement {
      background: #07090D;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 6px 0;
      font-size: 0.82rem;
      color: var(--text-muted);
    }
    .status-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      background: var(--neon-cyan);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--neon-cyan);
      margin-right: 6px;
    }

    /* 主导航 */
    .site-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(11, 14, 20, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    }
    .site-nav .grid-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 72px;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--text-white);
      text-decoration: none;
      letter-spacing: -0.5px;
    }
    .brand-icon {
      background: var(--brand-gradient);
      width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      color: #fff;
      box-shadow: var(--shadow-neon);
    }
    .nav-menu {
      display: flex;
      gap: 22px;
      margin: 0;
      list-style: none;
    }
    .nav-menu a {
      color: var(--text-gray);
      font-size: 0.95rem;
      font-weight: 500;
      text-decoration: none;
      transition: all 0.3s ease;
      position: relative;
      padding: 6px 0;
    }
    .nav-menu a:hover, .nav-menu a.active {
      color: var(--neon-cyan);
      text-shadow: 0 0 10px rgba(0, 245, 212, 0.4);
    }
    .nav-menu a.active::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--neon-cyan);
      box-shadow: 0 0 8px var(--neon-cyan);
    }

    /* 按钮组件 */
    .btn-neon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--brand-gradient);
      color: #FFFFFF !important;
      font-weight: 700;
      font-size: 0.98rem;
      padding: 12px 28px;
      border-radius: var(--radius-pill);
      text-decoration: none;
      border: none;
      cursor: pointer;
      box-shadow: var(--shadow-neon);
      transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
      min-height: 46px;
    }
    .btn-neon:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 35px rgba(0, 223, 216, 0.5);
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-white) !important;
      font-weight: 600;
      font-size: 0.98rem;
      padding: 12px 26px;
      border-radius: var(--radius-pill);
      text-decoration: none;
      border: 1px solid var(--border-color);
      transition: all 0.3s ease;
      min-height: 46px;
    }
    .btn-secondary:hover {
      border-color: var(--neon-cyan);
      background: rgba(0, 245, 212, 0.08);
      color: var(--neon-cyan) !important;
    }

    /* 徽章 Badge */
    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      border-radius: var(--radius-pill);
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      border: 1px solid var(--border-glow);
      background: rgba(0, 223, 216, 0.1);
      color: var(--neon-cyan);
    }

    /* 板块通用 */
    .section-spacing {
      padding: 90px 0;
      position: relative;
    }
    .section-alt {
      background: var(--bg-surface);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      margin-bottom: 50px;
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 720px;
      line-height: 1.7;
    }

    /* 卡片通用 */
    .glass-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      transition: all 0.35s ease;
      height: 100%;
      position: relative;
      overflow: hidden;
    }
    .glass-card:hover {
      border-color: var(--border-glow);
      transform: translateY(-5px);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
    }

    /* 1. Hero 板块 - 对比蓝图落地 */
    .hero-section {
      padding: 90px 0 100px;
      background: radial-gradient(circle at 50% 20%, rgba(121, 40, 202, 0.25) 0%, rgba(11, 14, 20, 0.95) 70%), url('/assets/images/ae2ff695b11a1ae4.jpg') center/cover no-repeat;
      position: relative;
    }
    .hero-title {
      font-size: 3.2rem;
      font-weight: 900;
      color: var(--text-white);
      line-height: 1.18;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-title span {
      background: var(--brand-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.12rem;
      color: var(--text-gray);
      margin-bottom: 34px;
      max-width: 660px;
    }
    .hero-compare-box {
      background: rgba(18, 22, 34, 0.85);
      border: 1px solid var(--border-color);
      border-radius: 22px;
      padding: 24px;
      backdrop-filter: blur(12px);
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    }
    .compare-tag {
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.75rem;
      font-weight: 700;
      text-transform: uppercase;
    }
    .compare-tag.bad { background: rgba(255, 0, 122, 0.2); color: var(--neon-magenta); }
    .compare-tag.good { background: rgba(0, 245, 212, 0.2); color: var(--neon-cyan); }

    /* 2. 倒计时与实时活动 */
    .countdown-bar {
      background: linear-gradient(90deg, rgba(121, 40, 202, 0.2) 0%, rgba(0, 223, 216, 0.2) 100%);
      border: 1px solid var(--border-glow);
      border-radius: 16px;
      padding: 24px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }
    .countdown-timer {
      display: flex;
      gap: 14px;
    }
    .time-unit {
      background: #0B0E14;
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 10px;
      padding: 8px 14px;
      text-align: center;
      min-width: 65px;
    }
    .time-unit .num {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--neon-cyan);
      display: block;
      line-height: 1.1;
    }
    .time-unit .label {
      font-size: 0.7rem;
      color: var(--text-muted);
    }

    /* 3. 核心卖点三连 */
    .feature-icon-box {
      width: 58px;
      height: 58px;
      border-radius: 14px;
      background: rgba(0, 223, 216, 0.1);
      border: 1px solid var(--border-glow);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--neon-cyan);
      font-size: 1.5rem;
      margin-bottom: 22px;
    }

    /* 4. 场景演示左右交错 */
    .scenario-image-wrapper {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    }
    .scenario-image-wrapper img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      display: block;
    }

    /* 5. 热门主机大作专区 */
    .game-card-img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      border-radius: 14px;
      margin-bottom: 18px;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    /* 6. 技术对比矩阵表格 */
    .compare-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      overflow: hidden;
      background: rgba(18, 22, 34, 0.6);
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      text-align: left;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .compare-table th {
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-white);
      font-size: 1rem;
      font-weight: 700;
    }
    .compare-table tr:last-child td { border-bottom: none; }

    /* 8. 数据指标统计 */
    .stat-number {
      font-size: 3rem;
      font-weight: 900;
      letter-spacing: -1px;
      background: var(--brand-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 6px;
      line-height: 1;
    }

    /* 手风琴 Accordion 覆写 */
    .custom-accordion {
      background: transparent;
      border: none;
    }
    .accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 14px !important;
      margin-bottom: 16px;
      overflow: hidden;
    }
    .accordion-title {
      color: var(--text-white) !important;
      font-weight: 700;
      font-size: 1.08rem;
      padding: 20px 24px !important;
      background: transparent !important;
      border: none !important;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .accordion-title:hover {
      color: var(--neon-cyan) !important;
    }
    .accordion-content {
      background: transparent !important;
      border: none !important;
      color: var(--text-gray);
      padding: 0 24px 22px !important;
      font-size: 0.96rem;
    }

    /* 底部固定与收尾行动区 */
    .cta-banner {
      background: radial-gradient(circle at 80% 20%, rgba(0, 223, 216, 0.3) 0%, rgba(121, 40, 202, 0.3) 50%, #121622 100%);
      border: 1px solid var(--border-glow);
      border-radius: 24px;
      padding: 60px 40px;
      text-align: center;
    }

    /* 页脚 */
    .site-footer {
      background: #07090E;
      border-top: 1px solid var(--border-color);
      padding: 70px 0 30px;
      font-size: 0.92rem;
    }
    .footer-col-title {
      font-size: 1.1rem;
      color: var(--text-white);
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    .footer-links a:hover {
      color: var(--neon-cyan);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 50px;
      padding-top: 25px;
      color: var(--text-muted);
      font-size: 0.82rem;
    }

    /* 移动端与响应式修饰 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.6rem; }
      .section-title { font-size: 1.95rem; }
      .nav-menu { display: none; }
    }
    @media (max-width: 640px) {
      .hero-title { font-size: 2.1rem; }
      .hero-section { padding: 60px 0 70px; }
      .section-spacing { padding: 60px 0; }
      .countdown-bar { flex-direction: column; align-items: flex-start; }
      .stat-number { font-size: 2.3rem; }
      .compare-table { display: block; overflow-x: auto; }
    }