/* roulang page: index */
:root {
      --neon-cyan: #00F0FF;
      --deep-purple: #1A0033;
      --electric-pink: #FF007F;
      --white-text: #F0F0FF;
      --sub-text: #8899BB;
      --card-bg: rgba(10,0,30,0.85);
      --border-glow: rgba(0,240,255,0.15);
      --border-glow-strong: rgba(0,240,255,0.4);
      --shadow-sm: 0 0 20px rgba(0,240,255,0.08);
      --shadow-hover: 0 0 35px rgba(0,240,255,0.25);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-tag: 4px;
      --font-mono: 'Courier New', 'Fira Code', monospace;
      --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
      --transition: all 0.2s ease;
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    body {
      font-family: var(--font-sans);
      background: radial-gradient(circle at 20% 10%, #2a0044, #0a001a 80%);
      color: var(--white-text);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    
    /* 电路板纹理背景 */
    body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 10h80v80H10z' fill='none' stroke='%2300F0FF' stroke-width='0.15' stroke-opacity='0.08'/%3E%3Ccircle cx='20' cy='20' r='2' fill='%2300F0FF' fill-opacity='0.15'/%3E%3Ccircle cx='80' cy='80' r='2' fill='%2300F0FF' fill-opacity='0.1'/%3E%3Cpath d='M50 5v10M50 85v10M5 50h10M85 50h10' stroke='%2300F0FF' stroke-width='0.3' stroke-opacity='0.1'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 0;
    }
    
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      position: relative;
      z-index: 1;
    }
    
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    
    a {
      color: var(--neon-cyan);
      text-decoration: none;
      transition: var(--transition);
    }
    
    a:hover {
      color: var(--electric-pink);
    }
    
    /* 导航 */
    .main-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 64px;
      background: rgba(10, 0, 30, 0.9);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-glow);
      z-index: 1000;
      display: flex;
      align-items: center;
      transition: var(--transition);
    }
    
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    
    .logo {
      font-weight: 900;
      font-size: 1.5rem;
      letter-spacing: 2px;
      color: var(--neon-cyan);
      display: flex;
      align-items: center;
      gap: 6px;
      text-shadow: 0 0 8px rgba(0,240,255,0.5);
    }
    
    .logo .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--electric-pink);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 12px var(--electric-pink);
      animation: pulse 1.5s infinite;
    }
    
    @keyframes pulse {
      0% { transform: scale(0.9); opacity: 0.8; }
      50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 20px var(--electric-pink); }
      100% { transform: scale(0.9); opacity: 0.8; }
    }
    
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    
    .nav-links a {
      color: var(--white-text);
      font-weight: 500;
      font-size: 0.95rem;
      letter-spacing: 0.5px;
      position: relative;
      padding: 4px 0;
    }
    
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--neon-cyan);
      transition: width 0.3s;
    }
    
    .nav-links a:hover::after,
    .nav-links a.active::after {
      width: 100%;
    }
    
    .btn-console {
      background: var(--electric-pink);
      color: white;
      padding: 8px 18px;
      border-radius: 20px;
      font-weight: 600;
      font-size: 0.9rem;
      letter-spacing: 0.8px;
      box-shadow: 0 0 15px rgba(255,0,127,0.4);
      transition: var(--transition);
    }
    
    .btn-console:hover {
      background: #ff1a8c;
      box-shadow: 0 0 25px var(--electric-pink);
      color: white;
    }
    
    /* 移动端底部导航 */
    .mobile-bottom-nav {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(10,0,30,0.95);
      backdrop-filter: blur(20px);
      border-top: 1px solid var(--neon-cyan);
      justify-content: space-around;
      padding: 8px 0;
      z-index: 1000;
    }
    
    .mobile-nav-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      color: var(--sub-text);
      font-size: 0.7rem;
      transition: var(--transition);
    }
    
    .mobile-nav-item i {
      font-size: 1.2rem;
      margin-bottom: 4px;
    }
    
    .mobile-nav-item.active {
      color: var(--neon-cyan);
    }
    
    /* Hero */
    .hero {
      padding: 120px 0 80px;
      display: flex;
      align-items: center;
      gap: 40px;
    }
    
    .hero-left {
      flex: 0 0 58%;
    }
    
    .hero-left h1 {
      font-size: 3.2rem;
      font-weight: 900;
      letter-spacing: 2px;
      line-height: 1.2;
      margin-bottom: 20px;
      background: linear-gradient(to right, #fff, var(--neon-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    
    .hero-sub {
      font-size: 1.2rem;
      color: var(--sub-text);
      margin-bottom: 32px;
      max-width: 500px;
    }
    
    .hero-actions {
      display: flex;
      gap: 16px;
    }
    
    .btn-primary {
      background: var(--neon-cyan);
      color: #0a001a;
      font-weight: bold;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      border: none;
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 0 15px rgba(0,240,255,0.5);
      font-size: 1rem;
      display: inline-block;
    }
    
    .btn-primary:hover {
      box-shadow: 0 0 30px var(--neon-cyan);
      transform: translateY(-2px);
    }
    
    .btn-outline {
      background: transparent;
      border: 1px solid var(--neon-cyan);
      color: var(--neon-cyan);
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      font-weight: bold;
      cursor: pointer;
      transition: var(--transition);
    }
    
    .btn-outline:hover {
      background: rgba(0,240,255,0.1);
    }
    
    .hero-right {
      flex: 1;
    }
    
    .live-card {
      background: var(--card-bg);
      backdrop-filter: blur(12px);
      border: 1px solid var(--border-glow-strong);
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    
    .live-badge {
      background: var(--electric-pink);
      color: white;
      padding: 4px 12px;
      border-radius: var(--radius-tag);
      font-size: 0.8rem;
      font-weight: bold;
      display: inline-block;
      margin-bottom: 16px;
      animation: pulse 2s infinite;
    }
    
    .match-score {
      font-family: var(--font-mono);
      font-size: 2.2rem;
      color: #0f0;
      text-shadow: 0 0 10px #0f0;
      margin: 10px 0;
    }
    
    .hero-chart-placeholder {
      background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      height: 120px;
      border-radius: 8px;
      margin: 16px 0;
      opacity: 0.9;
    }
    
    /* 板块通用 */
    section {
      padding: 80px 0;
    }
    
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      text-align: center;
      margin-bottom: 48px;
      background: linear-gradient(180deg, #fff 0%, var(--neon-cyan) 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    
    /* 核心亮点网格 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    
    .feature-card {
      background: var(--card-bg);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-card);
      padding: 28px 20px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    
    .feature-card:hover {
      border-color: var(--neon-cyan);
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    
    .feature-card.large {
      grid-row: span 1;
      background: rgba(0,240,255,0.05);
    }
    
    .feature-icon {
      font-size: 2rem;
      color: var(--neon-cyan);
      margin-bottom: 16px;
    }
    
    .feature-card h3 {
      font-size: 1.3rem;
      margin-bottom: 10px;
    }
    
    /* 赛事瀑布流 */
    .match-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 20px;
    }
    
    .match-card {
      background: var(--card-bg);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-card);
      padding: 20px;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      position: relative;
      overflow: hidden;
      transition: var(--transition);
    }
    
    .match-card::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(10,0,30,0.75);
      z-index: 0;
    }
    
    .match-content {
      position: relative;
      z-index: 1;
    }
    
    .match-teams {
      font-weight: bold;
      font-size: 1.1rem;
    }
    
    .match-status {
      font-size: 0.8rem;
      padding: 2px 10px;
      border-radius: var(--radius-tag);
      display: inline-block;
      margin: 8px 0;
    }
    
    .status-live {
      background: var(--electric-pink);
      color: white;
    }
    
    .status-ended {
      background: #4a5568;
      color: #ccc;
    }
    
    /* 对比区 */
    .compare-wrapper {
      display: flex;
      gap: 20px;
      align-items: center;
    }
    
    .compare-col {
      flex: 1;
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 32px;
      border: 1px solid var(--border-glow);
    }
    
    .compare-col.highlight {
      border-color: var(--neon-cyan);
      box-shadow: 0 0 25px rgba(0,240,255,0.2);
    }
    
    .compare-item {
      display: flex;
      justify-content: space-between;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    /* FAQ */
    .faq-item {
      background: var(--card-bg);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-card);
      margin-bottom: 16px;
      overflow: hidden;
    }
    
    .faq-question {
      padding: 20px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: var(--transition);
    }
    
    .faq-answer {
      padding: 0 20px 20px;
      color: var(--sub-text);
      display: none;
    }
    
    .faq-item.active .faq-answer {
      display: block;
    }
    
    .faq-item.active {
      border-left: 4px solid var(--neon-cyan);
    }
    
    /* CTA 横幅 */
    .cta-banner {
      background: linear-gradient(135deg, #1a0033, #0a001a);
      border: 1px solid var(--border-glow-strong);
      border-radius: var(--radius-card);
      padding: 60px 20px;
      text-align: center;
      position: relative;
    }
    
    .btn-cta {
      background: var(--electric-pink);
      color: white;
      padding: 16px 36px;
      border-radius: 40px;
      font-weight: bold;
      font-size: 1.2rem;
      border: none;
      cursor: pointer;
      box-shadow: 0 0 30px var(--electric-pink);
      transition: var(--transition);
      margin-top: 24px;
      display: inline-block;
    }
    
    .btn-cta:hover {
      box-shadow: 0 0 50px var(--electric-pink);
      transform: scale(1.02);
    }
    
    /* 页脚 */
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1.5fr;
      gap: 40px;
    }
    
    .footer-col h4 {
      color: var(--neon-cyan);
      margin-bottom: 16px;
    }
    
    .copyright {
      text-align: center;
      padding: 24px 0;
      border-top: 1px solid var(--border-glow);
      margin-top: 40px;
    }
    
    @media (max-width: 1024px) {
      .hero {
        flex-direction: column;
      }
      .features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    
    @media (max-width: 768px) {
      .main-header .nav-links {
        display: none;
      }
      .mobile-bottom-nav {
        display: flex;
      }
      .hero-left h1 {
        font-size: 2.4rem;
      }
      .features-grid {
        grid-template-columns: 1fr;
      }
      .compare-wrapper {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .nav-container {
        justify-content: center;
      }
    }