/* roulang page: index */
:root {
      --primary-deep: #1A0A2E;
      --bg-dark: #0D0B1E;
      --bg-card: #120C24;
      --gold: #D4AF37;
      --gold-light: rgba(212, 175, 55, 0.2);
      --mint: #0FE0B6;
      --mint-dark: #0bc9a0;
      --text-primary: #F5F0E8;
      --text-secondary: #CBC3B5;
      --text-muted: #8A8278;
      --border-gold: rgba(212, 175, 55, 0.15);
      --border-gold-hover: rgba(212, 175, 55, 0.4);
      --card-bg: rgba(255, 255, 255, 0.04);
      --backdrop-blur: blur(14px);
      --radius-card: 16px;
      --radius-btn: 10px;
      --radius-badge: 50px;
      --shadow-gold: 0 2px 24px rgba(212, 175, 55, 0.2);
      --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.5);
      --container-max: 1280px;
      --font-heading: 'Noto Sans SC', sans-serif;
      --font-body: 'Noto Sans SC', 'Inter', system-ui, sans-serif;
      --font-data: 'Inter', sans-serif;
    }
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      background-color: var(--bg-dark);
      font-family: var(--font-body);
      color: var(--text-primary);
      line-height: 1.7;
      font-size: 16px;
      background-image: radial-gradient(circle at 20% 10%, rgba(212, 175, 55, 0.08) 0%, transparent 30%), 
                        radial-gradient(circle at 80% 70%, rgba(26, 10, 46, 0.7) 0%, transparent 50%);
    }
    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    button, .btn {
      cursor: pointer;
      font-family: var(--font-body);
      border: none;
      background: none;
      transition: all 0.25s ease;
    }
    /* 导航 */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      background: rgba(13, 11, 30, 0.88);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-gold);
      z-index: 1000;
      padding: 0 24px;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      max-width: var(--container-max);
      margin: 0 auto;
      height: 70px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font-heading);
      font-weight: 700;
      font-size: 1.6rem;
      background: linear-gradient(135deg, #F5E7B3 0%, #D4AF37 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .logo i {
      font-size: 1.8rem;
      background: none;
      -webkit-text-fill-color: var(--gold);
      text-shadow: 0 0 12px rgba(212,175,55,0.5);
    }
    .nav-links {
      display: flex;
      gap: 2rem;
      align-items: center;
    }
    .nav-links a {
      font-weight: 500;
      color: var(--text-secondary);
      position: relative;
      padding: 6px 0;
      font-size: 0.95rem;
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--gold);
      transition: width 0.3s;
    }
    .nav-links a:hover {
      color: #fff;
    }
    .nav-links a:hover::after {
      width: 100%;
    }
    .cta-group {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .live-badge {
      background: rgba(15, 224, 182, 0.15);
      color: var(--mint);
      padding: 4px 14px;
      border-radius: var(--radius-badge);
      font-size: 0.8rem;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 6px;
      border: 1px solid rgba(15,224,182,0.3);
    }
    .live-dot {
      width: 8px;
      height: 8px;
      background: var(--mint);
      border-radius: 50%;
      display: inline-block;
      animation: pulse 1.5s infinite;
    }
    .btn-gold {
      background: linear-gradient(135deg, #E5C158, #B4942E);
      color: #1A0A2E;
      font-weight: 700;
      padding: 10px 24px;
      border-radius: var(--radius-btn);
      letter-spacing: 0.5px;
      box-shadow: 0 4px 14px rgba(212, 175, 55, 0.4);
      font-size: 0.95rem;
    }
    .btn-gold:hover {
      box-shadow: 0 8px 24px rgba(212, 175, 55, 0.6);
      transform: translateY(-1px);
    }
    .hamburger {
      display: none;
      font-size: 1.8rem;
      color: var(--gold);
    }
    /* Hero */
    .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      position: relative;
      margin-top: 0;
      background-blend-mode: overlay;
      background-color: rgba(13, 11, 30, 0.65);
    }
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 30% 50%, rgba(212,175,55,0.1) 0%, transparent 60%);
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
    }
    .hero h1 {
      font-family: var(--font-heading);
      font-size: clamp(2.8rem, 6vw, 3.8rem);
      font-weight: 700;
      background: linear-gradient(180deg, #FFF3CF 20%, #D4AF37 90%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: 4px;
      line-height: 1.3;
      margin-bottom: 1.5rem;
    }
    .hero-sub {
      font-size: 1.2rem;
      color: var(--text-secondary);
      margin-bottom: 2.5rem;
    }
    .hero-sub span {
      color: var(--mint);
      font-weight: 600;
    }
    .hero-actions {
      display: flex;
      gap: 18px;
      flex-wrap: wrap;
    }
    .btn-outline-gold {
      border: 1.5px solid var(--gold);
      color: var(--gold);
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      background: transparent;
      backdrop-filter: blur(8px);
    }
    .btn-outline-gold:hover {
      background: rgba(212,175,55,0.1);
      border-color: #fff3cf;
    }
    .float-stat {
      position: absolute;
      right: 10%;
      bottom: 18%;
      background: rgba(18,12,36,0.8);
      backdrop-filter: blur(18px);
      padding: 18px 28px;
      border-radius: 20px;
      border: 1px solid var(--border-gold);
      font-family: var(--font-data);
      display: flex;
      flex-direction: column;
      gap: 6px;
      box-shadow: var(--shadow-gold);
    }
    .online-count {
      font-size: 2.2rem;
      font-weight: 700;
      color: var(--mint);
      letter-spacing: 1px;
    }
    /* 通用板块 */
    section {
      padding: 90px 0;
    }
    .section-title {
      font-family: var(--font-heading);
      font-size: 2.2rem;
      font-weight: 700;
      margin-bottom: 0.8rem;
      color: #fff;
    }
    .section-sub {
      color: var(--text-muted);
      margin-bottom: 3rem;
    }
    /* 核心优势 (非三列) */
    .advantages-grid {
      display: flex;
      gap: 32px;
      flex-wrap: wrap;
    }
    .adv-item {
      flex: 1 1 240px;
      background: var(--card-bg);
      backdrop-filter: var(--backdrop-blur);
      border: 1px solid var(--border-gold);
      border-radius: var(--radius-card);
      padding: 28px 20px;
      display: flex;
      align-items: flex-start;
      gap: 18px;
      transition: 0.3s;
    }
    .adv-item:hover {
      border-color: var(--border-gold-hover);
      transform: translateY(-5px);
    }
    .adv-icon {
      font-size: 2.2rem;
      color: var(--gold);
    }
    /* 游戏展示不规则栅格 */
    .games-masonry {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .game-card {
      background: var(--card-bg);
      backdrop-filter: var(--backdrop-blur);
      border-radius: var(--radius-card);
      overflow: hidden;
      border: 1px solid var(--border-gold);
      transition: all 0.3s;
      position: relative;
    }
    .game-card.large {
      grid-column: span 2;
    }
    .game-card img {
      height: 200px;
      object-fit: cover;
      width: 100%;
    }
    .game-info {
      padding: 16px;
    }
    .badge {
      background: rgba(15,224,182,0.15);
      color: var(--mint);
      padding: 2px 12px;
      border-radius: 50px;
      font-size: 0.8rem;
      margin-right: 8px;
    }
    /* 数据条 */
    .stats-bar {
      display: flex;
      justify-content: space-between;
      background: rgba(255,255,255,0.03);
      backdrop-filter: blur(10px);
      border: 1px solid var(--border-gold);
      border-radius: 24px;
      padding: 30px 28px;
    }
    .stat-item h3 {
      font-family: var(--font-data);
      font-size: 2.5rem;
      color: var(--gold);
    }
    /* 流程节点 */
    .flow-steps {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
    }
    .step-node {
      text-align: center;
      flex: 1;
    }
    .node-icon {
      font-size: 2.5rem;
      color: var(--gold);
    }
    /* 案例卡片 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3,1fr);
      gap: 24px;
    }
    .case-card {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      padding: 20px;
      border-radius: var(--radius-card);
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .win { color: var(--mint); }
    .lose { color: #E04B4B; }
    /* FAQ */
    .faq-item {
      border-bottom: 1px solid var(--border-gold);
      padding: 16px 0;
    }
    .faq-question {
      font-weight: 700;
      font-size: 1.1rem;
      display: flex;
      justify-content: space-between;
    }
    /* CTA区块 */
    .cta-block {
      background: rgba(18,12,36,0.8);
      backdrop-filter: blur(20px);
      border: 1px solid var(--gold);
      border-radius: 32px;
      padding: 60px;
      text-align: center;
    }
    .timer {
      font-family: var(--font-data);
      font-size: 2.4rem;
      color: var(--mint);
    }
    footer {
      background: #0A0818;
      padding: 40px 0;
      text-align: center;
    }
    @media (max-width: 1024px) {
      .games-masonry {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-links, .cta-group .btn-gold {
        display: none;
      }
      .hamburger {
        display: block;
      }
      .hero h1 { font-size: 2.5rem; }
      .games-masonry, .case-grid { grid-template-columns: 1fr; }
      .game-card.large { grid-column: span 1; }
      .stats-bar { flex-wrap: wrap; gap: 24px; }
    }
    @keyframes pulse { 0%{opacity:1;}50%{opacity:0.4;}100%{opacity:1;} }