/* roulang page: index */
:root {
      /* 主色系：深渊紫蓝电竞风格 */
      --primary-deep: #1A0A2E;
      --primary-purple: #6D28D9;
      --primary-blue: #0EA5E9;
      --accent-pink: #F0ABFC;
      
      /* 中性色 */
      --bg-white: #F8FAFC;
      --card-white: #FFFFFF;
      --text-black: #0F172A;
      --text-gray: #64748B;
      --border-light: #E2E8F0;
      --text-body: #334155;
      --text-light: #94A3B8;
      
      /* 渐变系统 */
      --gradient-main: linear-gradient(135deg, #6D28D9 0%, #0EA5E9 100%);
      --gradient-dark: linear-gradient(180deg, #1A0A2E 0%, #0F172A 100%);
      
      /* 字体 */
      --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
      
      /* 圆角与阴影 */
      --radius-sm: 12px;
      --radius-md: 16px;
      --radius-lg: 20px;
      --radius-xl: 24px;
      --shadow-card: 0 4px 20px rgba(0,0,0,0.04);
      --shadow-hover: 0 12px 32px rgba(109,40,217,0.12);
      --shadow-nav: 0 2px 8px rgba(0,0,0,0.06);
      
      --max-width: 1280px;
      --nav-height: 72px;
      --mobile-nav-height: 60px;
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    html {
      scroll-behavior: smooth;
    }
    
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Inter", sans-serif;
      background-color: var(--bg-white);
      color: var(--text-body);
      line-height: 1.8;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    
    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 20px;
    }
    
    @media (max-width: 768px) {
      .container {
        padding: 0 16px;
      }
    }
    
    /* 导航栏 */
    .main-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: var(--nav-height);
      z-index: 1000;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 32px;
      background: transparent;
      transition: background 0.3s ease, box-shadow 0.3s ease, height 0.3s;
      backdrop-filter: blur(0px);
    }
    
    .main-header.scrolled {
      background: rgba(255,255,255,0.95);
      backdrop-filter: blur(12px);
      box-shadow: var(--shadow-nav);
      height: var(--nav-height);
    }
    
    .logo {
      font-size: 1.5rem;
      font-weight: 800;
      background: var(--gradient-main);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: -0.02em;
      white-space: nowrap;
    }
    
    .main-header.scrolled .logo {
      background: var(--gradient-main);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    
    .nav-links a {
      text-decoration: none;
      color: white;
      font-weight: 500;
      font-size: 0.95rem;
      transition: color 0.2s;
      position: relative;
    }
    
    .main-header.scrolled .nav-links a {
      color: var(--text-black);
    }
    
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--gradient-main);
      transition: width 0.2s ease;
    }
    
    .nav-links a:hover::after,
    .nav-links a.active::after {
      width: 100%;
    }
    
    .btn-nav {
      background: var(--gradient-main);
      color: white !important;
      padding: 10px 22px;
      border-radius: 25px;
      font-weight: 600;
      font-size: 0.9rem;
      box-shadow: 0 4px 12px rgba(109,40,217,0.3);
      transition: transform 0.2s, box-shadow 0.2s;
    }
    
    .btn-nav:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(109,40,217,0.4);
    }
    
    .hamburger {
      display: none;
      font-size: 1.8rem;
      color: white;
      cursor: pointer;
    }
    
    .main-header.scrolled .hamburger {
      color: var(--text-black);
    }
    
    @media (max-width: 768px) {
      .main-header {
        padding: 0 20px;
        height: var(--mobile-nav-height);
      }
      .nav-links {
        display: none;
      }
      .hamburger {
        display: block;
      }
      .mobile-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--primary-deep);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        z-index: 999;
      }
      .mobile-menu.active {
        display: flex;
      }
      .mobile-menu a {
        color: white;
        font-size: 1.4rem;
        font-weight: 600;
        text-decoration: none;
      }
      .mobile-menu .close-menu {
        position: absolute;
        top: 24px;
        right: 24px;
        font-size: 2rem;
        color: white;
      }
    }
    
    /* Hero */
    .hero {
      background: var(--gradient-dark), url('/assets/images/backpic/back-1.webp');
      background-blend-mode: overlay;
      background-size: cover;
      background-position: center;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 120px 20px 80px;
      position: relative;
      color: white;
    }
    
    .hero-content {
      max-width: 800px;
      z-index: 2;
    }
    
    .pulse-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255,255,255,0.1);
      backdrop-filter: blur(10px);
      padding: 8px 20px;
      border-radius: 30px;
      margin-bottom: 24px;
      font-size: 0.9rem;
    }
    
    .pulse-dot {
      width: 10px;
      height: 10px;
      background: var(--accent-pink);
      border-radius: 50%;
      animation: pulse 1.5s infinite;
    }
    
    @keyframes pulse {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.6; transform: scale(1.1); }
      100% { opacity: 1; transform: scale(1); }
    }
    
    h1 {
      font-size: 48px;
      font-weight: 800;
      line-height: 1.2;
      background: var(--gradient-main);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }
    
    .hero-sub {
      font-size: 18px;
      color: rgba(255,255,255,0.8);
      margin-bottom: 40px;
    }
    
    .hero-buttons {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }
    
    .btn-primary {
      background: var(--gradient-main);
      color: white;
      font-weight: 600;
      padding: 14px 32px;
      border-radius: var(--radius-sm);
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 8px 20px rgba(109,40,217,0.4);
      text-decoration: none;
      display: inline-block;
    }
    
    .btn-primary:hover {
      transform: translateY(-4px);
      box-shadow: 0 14px 28px rgba(109,40,217,0.5);
    }
    
    .btn-ghost {
      background: transparent;
      border: 1px solid rgba(255,255,255,0.6);
      color: white;
      font-weight: 600;
      padding: 14px 32px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: 0.3s;
      text-decoration: none;
    }
    
    .btn-ghost:hover {
      background: rgba(255,255,255,0.15);
    }
    
    .live-scores {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }
    
    .score-card {
      background: rgba(255,255,255,0.08);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-md);
      padding: 16px 24px;
      min-width: 160px;
      color: white;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    
    .team-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    
    .score-num {
      font-family: var(--font-mono);
      font-size: 24px;
      font-weight: 700;
      color: var(--accent-pink);
    }
    
    @media (max-width: 768px) {
      h1 {
        font-size: 32px;
      }
      .hero-sub {
        font-size: 16px;
      }
      .live-scores {
        flex-direction: column;
        align-items: center;
      }
    }
    
    /* 通用区块 */
    section {
      padding: 80px 0;
    }
    
    @media (max-width: 768px) {
      section {
        padding: 48px 0;
      }
    }
    
    h2 {
      font-size: 36px;
      font-weight: 700;
      color: var(--text-black);
      text-align: center;
      margin-bottom: 16px;
    }
    
    .section-desc {
      text-align: center;
      color: var(--text-gray);
      margin-bottom: 48px;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }
    
    /* 实时指标看板 */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    
    .stat-card {
      background: var(--card-white);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-card);
      text-align: center;
      transition: 0.3s;
    }
    
    .stat-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-hover);
      border-bottom: 3px solid #6D28D9;
    }
    
    .stat-icon {
      font-size: 2rem;
      color: var(--primary-purple);
      margin-bottom: 16px;
    }
    
    .stat-number {
      font-family: var(--font-mono);
      font-size: 32px;
      font-weight: 700;
      color: var(--primary-purple);
    }
    
    @media (max-width: 768px) {
      .stats-grid {
        grid-template-columns: 1fr;
      }
    }
    
    /* 服务矩阵 2x3 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    
    .service-card {
      background: white;
      border-radius: var(--radius-xl);
      padding: 40px 32px;
      box-shadow: var(--shadow-card);
      transition: all 0.3s ease;
    }
    
    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    
    .service-icon {
      font-size: 2.5rem;
      background: var(--gradient-main);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 20px;
    }
    
    .service-card h3 {
      font-size: 22px;
      margin-bottom: 12px;
    }
    
    @media (max-width: 768px) {
      .service-grid {
        grid-template-columns: 1fr;
      }
    }
    
    /* 对比区 */
    .comparison-row {
      display: flex;
      gap: 24px;
    }
    
    .compare-card {
      flex: 1;
      background: white;
      border-radius: var(--radius-lg);
      padding: 24px;
    }
    
    @media (max-width: 768px) {
      .comparison-row {
        flex-direction: column;
      }
    }
    
    /* 联盟墙 */
    .league-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 24px;
    }
    
    .league-badge {
      width: 80px;
      height: 80px;
      background: #f1f5f9;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      color: var(--text-gray);
    }
    
    /* FAQ */
    .faq-item {
      background: white;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      margin-bottom: 12px;
      padding: 16px 24px;
      cursor: pointer;
      transition: 0.2s;
    }
    
    .faq-question {
      font-weight: 600;
      display: flex;
      justify-content: space-between;
    }
    
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      color: var(--text-body);
    }
    
    .faq-item.active .faq-answer {
      max-height: 200px;
      margin-top: 12px;
    }
    
    /* CTA */
    .cta-section {
      background: var(--gradient-main);
      padding: 80px 0;
      text-align: center;
      color: white;
    }
    
    .cta-form {
      display: flex;
      gap: 12px;
      justify-content: center;
      margin-top: 24px;
    }
    
    .cta-input {
      padding: 14px 20px;
      border-radius: 25px;
      border: none;
      width: 280px;
    }
    
    .btn-cta {
      background: var(--accent-pink);
      border: none;
      padding: 14px 32px;
      border-radius: 25px;
      font-weight: bold;
      color: #0F172A;
      cursor: pointer;
    }
    
    /* 页脚 */
    .footer {
      background: var(--primary-deep);
      color: #94A3B8;
      padding: 60px 0 20px;
    }
    
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 32px;
    }
    
    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }
