/* roulang page: index */
:root {
      --deep-canyon: #0A0E27;
      --energy-gold: #F0E6D2;
      --data-cyan: #00E5FF;
      --alert-red: #FF4655;
      --bg-gradient-end: #1A1F3A;
      --text-body: #B0B8D0;
      --text-muted: #5A6080;
      --card-bg: rgba(240, 230, 210, 0.05);
      --card-border: rgba(240, 230, 210, 0.15);
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --radius-xs: 4px;
      --shadow-glow: 0 8px 32px rgba(0, 229, 255, 0.15);
      --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
      --font-number: 'DIN Alternate', 'Roboto Mono', 'Courier New', monospace;
      --font-body: 'PingFang SC', 'Microsoft YaHei', 'Inter', sans-serif;
      --transition-bounce: 0.25s cubic-bezier(0.2, 0.9, 0.4, 1);
    }

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

    body {
      font-family: var(--font-body);
      background: radial-gradient(circle at 30% 10%, #10163A, var(--deep-canyon));
      color: var(--text-body);
      line-height: 1.8;
      font-size: 1rem;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      background-attachment: fixed;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    /* 沉浸式导航 */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(10, 14, 39, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(240, 230, 210, 0.25);
      transition: background 0.3s;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.75rem 2rem;
      max-width: 1280px;
      margin: 0 auto;
    }
    .logo {
      font-family: var(--font-number);
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--energy-gold);
      letter-spacing: -0.5px;
      text-decoration: none;
      white-space: nowrap;
    }
    .logo span {
      color: var(--data-cyan);
    }
    .nav-links {
      display: flex;
      gap: 1.8rem;
      align-items: center;
    }
    .nav-links a {
      color: var(--energy-gold);
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
      transition: color 0.2s;
      opacity: 0.85;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--data-cyan);
      opacity: 1;
    }
    .nav-cta {
      border: 1px solid var(--data-cyan);
      color: var(--data-cyan);
      padding: 0.4rem 1.2rem;
      border-radius: 2rem;
      font-size: 0.85rem;
      font-weight: 600;
      background: transparent;
      transition: all 0.25s;
      text-decoration: none;
    }
    .nav-cta:hover {
      background: var(--data-cyan);
      color: var(--deep-canyon);
    }
    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
    }
    .hamburger span {
      width: 25px;
      height: 2px;
      background: var(--data-cyan);
      border-radius: 4px;
      transition: 0.3s;
    }

    /* 板块间距 */
    section {
      padding: 5rem 0;
    }

    /* Hero 数据看板 */
    .hero-section {
      position: relative;
      background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      min-height: 85vh;
      display: flex;
      align-items: center;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 20% 30%, rgba(0,229,255,0.12), rgba(10,14,39,0.85));
    }
    .hero-content {
      position: relative;
      z-index: 2;
      width: 100%;
    }
    .marquee {
      background: rgba(0,0,0,0.5);
      backdrop-filter: blur(8px);
      padding: 0.5rem 1rem;
      border-radius: 2rem;
      color: var(--data-cyan);
      font-size: 0.9rem;
      margin-bottom: 2.5rem;
      display: inline-block;
      border-left: 3px solid var(--alert-red);
    }
    .h1-title {
      font-size: 3rem;
      font-weight: 700;
      color: var(--energy-gold);
      letter-spacing: -0.5px;
      line-height: 1.2;
      margin-bottom: 1.25rem;
    }
    .focus-match-card {
      background: var(--card-bg);
      backdrop-filter: blur(12px);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 2rem;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 2rem;
      box-shadow: var(--shadow-glow);
    }
    .team {
      text-align: center;
      flex: 1;
      min-width: 130px;
    }
    .team-logo {
      width: 80px;
      height: 80px;
      background: rgba(240,230,210,0.15);
      border-radius: 50%;
      margin: 0 auto 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      font-weight: 700;
      color: var(--energy-gold);
      border: 2px solid var(--energy-gold);
    }
    .team-name {
      font-weight: 600;
      color: var(--energy-gold);
    }
    .score {
      font-family: var(--font-number);
      font-size: 3.5rem;
      font-weight: 700;
      color: white;
      text-shadow: 0 0 20px var(--data-cyan);
    }
    .badge-group {
      display: flex;
      gap: 0.5rem;
      justify-content: center;
      margin-top: 1rem;
      flex-wrap: wrap;
    }
    .badge {
      background: var(--alert-red);
      color: white;
      padding: 0.25rem 0.75rem;
      border-radius: var(--radius-xs);
      font-size: 0.7rem;
      font-weight: 700;
      text-transform: uppercase;
    }
    .badge.cyan { background: var(--data-cyan); color: var(--deep-canyon); }
    .cta-button {
      background: var(--alert-red);
      color: white;
      border: none;
      padding: 0.75rem 2rem;
      border-radius: var(--radius-sm);
      font-weight: 600;
      cursor: pointer;
      transition: 0.2s;
      display: inline-block;
      text-decoration: none;
    }
    .cta-button:hover { background: #FF6B77; }

    h2 {
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--energy-gold);
      margin-bottom: 2.5rem;
    }
    .data-matrix {
      display: grid;
      grid-template-columns: repeat(3,1fr);
      gap: 2rem;
    }
    .data-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 2rem;
      transition: var(--transition-bounce);
      backdrop-filter: blur(8px);
    }
    .data-card:hover {
      transform: translateY(-4px);
      border-color: var(--data-cyan);
      box-shadow: var(--shadow-glow);
    }
    .data-value {
      font-family: var(--font-number);
      font-size: 2.5rem;
      color: var(--data-cyan);
      font-weight: 700;
    }

    .vs-panel {
      display: grid;
      grid-template-columns: 1fr 100px 1fr;
      align-items: center;
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      padding: 2rem;
      border: 1px solid var(--card-border);
    }
    .stat-bar {
      height: 6px;
      background: rgba(255,255,255,0.1);
      border-radius: 4px;
      margin: 0.5rem 0;
    }
    .fill { height: 100%; border-radius: 4px; background: var(--data-cyan); }

    .faq-item {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      margin-bottom: 1rem;
      padding: 1.2rem;
      cursor: pointer;
    }
    .faq-question {
      font-weight: 600;
      color: var(--energy-gold);
      display: flex;
      justify-content: space-between;
    }
    .faq-answer {
      color: var(--text-body);
      margin-top: 0.75rem;
      display: none;
    }
    .faq-item.active .faq-answer { display: block; }

    .subscribe-form {
      display: flex;
      gap: 1rem;
      max-width: 500px;
      margin-top: 1.5rem;
    }
    .subscribe-form input {
      flex: 1;
      background: rgba(0,0,0,0.6);
      border: 1px solid var(--energy-gold);
      padding: 0.75rem;
      border-radius: var(--radius-sm);
      color: white;
    }
    .subscribe-form button { white-space: nowrap; }

    footer {
      background: #05081A;
      padding: 2rem;
      text-align: center;
      color: var(--text-muted);
      border-top: 1px solid rgba(240,230,210,0.1);
    }

    @media (max-width: 1024px) {
      .data-matrix { grid-template-columns: repeat(2,1fr); }
      .vs-panel { grid-template-columns: 1fr; text-align: center; }
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .hamburger { display: flex; }
      .h1-title { font-size: 2rem; }
      .data-matrix { grid-template-columns: 1fr; }
      .focus-match-card { flex-direction: column; }
      .subscribe-form { flex-direction: column; }
    }