/* roulang page: index */
*,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    :root {
      --deep-bg: #0A0E27;
      --cyan: #00F0FF;
      --melon: #FF3A6F;
      --light-gray: #F5F7FB;
      --mid-dark: #1A1F3A;
      --text-muted: #4A4F63;
      --line-color: #E0E4EC;
      --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.04);
      --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.06);
      --radius-main: 16px;
      --radius-btn: 12px;
      --transition: 0.25s ease;
      --mobile-pad: 24px;
      --desktop-pad: 80px;
    }

    body {
      font-family: 'Inter', -apple-system, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      color: #4A4F63;
      background-color: #FFFFFF;
      font-size: 16px;
      line-height: 1.7;
      font-weight: 400;
    }

    h1, h2, h3, .stat-digit {
      font-weight: 700;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    img {
      max-width: 100%;
      display: block;
    }

    .container {
      max-width: 1320px;
      margin: 0 auto;
      padding-left: 32px;
      padding-right: 32px;
    }

    /* 导航 */
    .nav-wrap {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(18px);
      height: 72px;
      box-shadow: 0 2px 18px rgba(0, 0, 0, 0.04);
      display: flex;
      align-items: center;
      padding: 0 32px;
    }
    .nav-inner {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .logo-link {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .im-icon {
      font-size: 30px;
      color: var(--cyan);
      line-height: 1;
      filter: drop-shadow(0 0 6px rgba(0,240,255,0.7));
    }
    .im-logo-text {
      font-size: 26px;
      font-weight: 800;
      letter-spacing: -0.3px;
      color: #0A0E27;
    }
    .nav-links {
      display: flex;
      gap: 2rem;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
    }
    .nav-links a {
      transition: color 0.2s;
      border-bottom: 2px solid transparent;
      padding-bottom: 6px;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: #0A0E27;
      border-bottom-color: var(--cyan);
    }
    .nav-cta-btn {
      background: var(--cyan);
      color: #0A0E27;
      font-weight: 700;
      padding: 12px 26px;
      border-radius: var(--radius-btn);
      font-size: 15px;
      letter-spacing: 0.3px;
      transition: background 0.2s, color 0.2s;
    }
    .nav-cta-btn:hover {
      background: var(--melon);
      color: white;
    }
    .hamburger {
      display: none;
      flex-direction: column;
      cursor: pointer;
      gap: 5px;
    }
    .hamburger span {
      width: 26px;
      height: 2.5px;
      background: #0A0E27;
      border-radius: 4px;
    }

    /* 板块通用 */
    .section {
      padding: var(--desktop-pad) 0;
    }
    .section-title {
      font-size: 36px;
      line-height: 1.25;
      font-weight: 700;
      text-align: center;
      margin-bottom: 16px;
      color: #0A0E27;
    }
    .section-sub {
      text-align: center;
      color: #4A4F63;
      margin-bottom: 48px;
      font-size: 17px;
    }

    /* Hero */
    .hero-area {
      background-color: var(--deep-bg);
      position: relative;
      padding-top: 140px;
      padding-bottom: 80px;
      background-image: radial-gradient(circle at 85% 20%, rgba(0,240,255,0.15) 0%, rgba(0,14,39,0.9) 70%);
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 42px;
      align-items: center;
    }
    .hero-text h1 {
      font-size: 48px;
      line-height: 1.15;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: white;
    }
    .hero-text .sub-text {
      font-size: 18px;
      color: #c0c7d6;
      margin: 20px 0 32px;
    }
    .btn-group {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
    }
    .btn-primary, .btn-outline {
      padding: 14px 34px;
      border-radius: var(--radius-btn);
      font-weight: 700;
      transition: 0.25s;
      font-size: 16px;
      display: inline-block;
      text-align: center;
    }
    .btn-primary {
      background: var(--cyan);
      color: #0A0E27;
    }
    .btn-primary:hover {
      background: var(--melon);
      color: white;
    }
    .btn-outline {
      border: 1.5px solid var(--cyan);
      color: var(--cyan);
    }
    .btn-outline:hover {
      background: var(--cyan);
      color: #0A0E27;
    }
    .right-dashboard {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .live-card {
      background: #1A1F3A;
      border-radius: 24px;
      padding: 20px 22px;
      box-shadow: 0 0 12px rgba(0,240,255,0.15);
      border: 1px solid rgba(0,240,255,0.25);
    }
    .kda-bar {
      display: flex;
      justify-content: space-between;
      color: white;
      margin: 8px 0;
    }
    .ring-box {
      display: flex;
      align-items: center;
      gap: 18px;
    }
    .fake-ring {
      width: 64px;
      height:64px;
      border-radius:50%;
      background: conic-gradient(#FF3A6F 0deg 240deg, #1e2540 240deg 360deg);
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .cyd-money {
      display: flex;
      align-items: flex-end;
      gap:6px;
    }

    /* 数据看板 */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(5,1fr);
      gap: 24px;
      margin-top: 16px;
    }
    .stat-item {
      background: white;
      border-radius: 20px;
      padding: 24px 16px;
      box-shadow: 0 8px 28px rgba(0,0,0,0.04);
      transition: all .25s;
    }
    .stat-item:hover {
      transform: translateY(-7px);
      box-shadow: 0 16px 36px rgba(0,0,0,0.1);
    }
    .stat-num {
      font-size: 32px;
      font-weight: 700;
      color: var(--cyan);
    }
    .arrow-up {
      color: var(--melon);
      margin-left: 6px;
    }

    /* 服务错位卡片 */
    .cards-stagger {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 24px;
      align-items: start;
    }
    .service-card {
      background: white;
      border-radius: 24px;
      box-shadow: 0 12px 32px rgba(0,0,0,0.04);
      transition: all .3s;
    }
    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 24px 48px rgba(0,0,0,0.1);
    }
    .card-img-box {
      height: 160px;
      background: linear-gradient(145deg, #1A1F3A 0%, #0f1422 100%);
      background-image: url('/assets/images/coverpic/cover-1.webp');
      background-size: cover;
      background-position: center;
      border-radius: 24px 24px 0 0;
      position: relative;
    }
    .card-info {
      padding: 22px;
    }
    .hot-badge {
      background: var(--melon);
      color: white;
      padding: 4px 14px;
      border-radius: 20px;
      font-weight: 600;
      font-size: 13px;
      display: inline-block;
    }
    .stagger-mid {
      margin-top: -18px;
    }

    /* 对比 */
    .compare-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 37px;
    }

    /* FAQ */
    .faq-list details {
      border: 1px solid #E0E4EC;
      border-radius: 18px;
      padding: 16px 23px;
      margin-bottom: 14px;
      transition: all .2s;
    }
    .faq-list details[open] {
      background: #F0FDFF;
      border-left: 4px solid var(--cyan);
    }

    /* CTA */
    .dark-cta {
      background: #0A0E27;
      border-radius: 48px;
    }
    .input-row {
      display: flex;
      margin-top: 29px;
      gap: 16px;
    }
    input.form-field {
      flex:1; padding: 14px 22px; border-radius: 16px; border:1px solid var(--line-color);
    }

    @media (max-width: 1024px) {
      .container { padding: 0 24px; }
      .hero-grid { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: repeat(2,1fr); }
      .cards-stagger { grid-template-columns: 1fr; }
      .compare-wrap { grid-template-columns: 1fr; }
      .hamburger { display: flex; }
      .nav-links, .nav-cta-btn { display: none; }
    }
    @media (max-width: 520px) {
      h1 { font-size: 32px !important; }
      .section-title { font-size: 26px; }
    }
    .footer-links { display:grid; grid-template-columns: 2fr 1fr 1fr 2fr; gap:20px; }