:root {
      --primary: #ea580c;
      --secondary: #7f1d1d;
      --dark: #1a1a2e;
      --warm: #fbbf24;
      --cream: #fdf8f5;
      --card-bg: rgba(255, 255, 255, 0.85);
    }
    *,
    *::before,
    *::after {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif !important;
      background: var(--cream);
      color: var(--dark);
      line-height: 1.7;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    /* header */
    .site-header {
      background: linear-gradient(135deg, #7f1d1d 0%, #ea580c 100%);
      padding: 0;
      position: sticky;
      top: 0;
      z-index: 999;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    }
    .site-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      min-height: 70px;
    }
    .logo {
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      text-decoration: none;
      letter-spacing: 1px;
    }
    .logo span {
      color: var(--warm);
    }
    .nav-links {
      display: flex;
      gap: 24px;
      flex-wrap: wrap;
    }
    .nav-links a {
      color: #fff;
      text-decoration: none;
      font-size: 15px;
      font-weight: 500;
      padding: 8px 4px;
      border-bottom: 2px solid transparent;
      transition: border-color 0.2s;
    }
    .nav-links a:hover {
      border-color: var(--warm);
    }
    /* hero */
    .hero {
      background: linear-gradient(120deg, #fff 0%, #fff7f0 50%, #fde8d0 100%);
      padding: 70px 0 60px;
      position: relative;
      overflow: hidden;
    }
    .hero .container {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 50px;
      align-items: center;
    }
    .hero h1 {
      font-size: 38px;
      line-height: 1.3;
      color: var(--secondary);
      margin-bottom: 20px;
      font-weight: 800;
    }
    .hero h1 span {
      color: var(--primary);
    }
    .hero p {
      font-size: 16px;
      color: #444;
      margin-bottom: 24px;
    }
    .hero-badge {
      display: inline-block;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      padding: 6px 18px;
      border-radius: 24px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 12px;
    }
    .hero-img {
      border-radius: 20px;
      box-shadow: 0 20px 40px rgba(127, 29, 29, 0.15);
      width: 100%;
      height: auto;
      object-fit: cover;
    }
    /* stats */
    .data-stats {
      padding: 60px 0;
      background: #fff;
    }
    .data-stats .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
    }
    .stat-card {
      text-align: center;
      padding: 35px 20px;
      background: linear-gradient(135deg, #fff 0%, #fff7f0 100%);
      border-radius: 16px;
      box-shadow: 0 8px 25px rgba(127, 29, 29, 0.07);
      border-top: 4px solid var(--primary);
      transition: transform 0.2s;
    }
    .stat-card:hover {
      transform: translateY(-6px);
    }
    .stat-card .num {
      font-size: 40px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .stat-card .label {
      font-size: 15px;
      color: #777;
    }
    /* section titles */
    .section-title {
      text-align: center;
      font-size: 32px;
      color: var(--secondary);
      font-weight: 800;
      margin-bottom: 12px;
    }
    .section-subtitle {
      text-align: center;
      color: #888;
      margin-bottom: 45px;
      font-size: 15px;
    }
    /* advantages */
    .core-advantages {
      padding: 60px 0;
      background: linear-gradient(180deg, #fff7f0 0%, #fdf8f5 100%);
    }
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .adv-card {
      background: var(--card-bg);
      border-radius: 16px;
      padding: 32px 24px;
      text-align: center;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
      border: 1px solid #fee7d0;
      transition: box-shadow 0.2s;
    }
    .adv-card:hover {
      box-shadow: 0 15px 35px rgba(234, 88, 12, 0.12);
    }
    .adv-card .icon {
      font-size: 42px;
      margin-bottom: 16px;
    }
    .adv-card h3 {
      color: var(--secondary);
      margin-bottom: 10px;
      font-size: 18px;
    }
    .adv-card p {
      color: #666;
      font-size: 14px;
      line-height: 1.6;
    }
    /* brand */
    .brand-story {
      padding: 60px 0;
      background: #fff;
    }
    .brand-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .brand-inner img {
      border-radius: 20px;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
      width: 100%;
    }
    .brand-text h3 {
      color: var(--secondary);
      font-size: 24px;
      margin-bottom: 15px;
    }
    .brand-text p {
      color: #555;
      margin-bottom: 15px;
      line-height: 1.7;
    }
    /* timeline */
    .timeline {
      padding: 60px 0;
      background: #fff7f0;
    }
    .timeline-list {
      max-width: 700px;
      margin: 0 auto;
      padding-left: 20px;
      border-left: 3px solid var(--primary);
    }
    .timeline-item {
      padding: 16px 0 16px 25px;
      position: relative;
    }
    .timeline-item::before {
      content: "";
      position: absolute;
      left: -9px;
      top: 20px;
      width: 15px;
      height: 15px;
      background: var(--primary);
      border-radius: 50%;
      border: 3px solid #fff;
    }
    .timeline-item h4 {
      color: var(--secondary);
      font-size: 18px;
      margin-bottom: 5px;
    }
    .timeline-item p {
      color: #666;
      font-size: 14px;
    }
    /* events */
    .featured-events {
      padding: 60px 0;
      background: #fff;
    }
    .events-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .event-card {
      background: linear-gradient(135deg, #fff 0%, #fff7f0 100%);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
      transition: transform 0.2s;
    }
    .event-card:hover {
      transform: translateY(-5px);
    }
    .event-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }
    .event-card-body {
      padding: 20px;
    }
    .event-card-body h4 {
      color: var(--secondary);
      font-size: 17px;
      margin-bottom: 8px;
    }
    .event-card-body p {
      color: #666;
      font-size: 14px;
      margin-bottom: 12px;
    }
    .event-card-body .tag {
      display: inline-block;
      background: var(--primary);
      color: #fff;
      padding: 4px 12px;
      border-radius: 14px;
      font-size: 12px;
      font-weight: 600;
    }
    /* game recommend */
    .game-recommend {
      padding: 60px 0;
      background: linear-gradient(135deg, #7f1d1d, #ea580c);
    }
    .game-recommend .section-title {
      color: #fff;
    }
    .game-recommend .section-subtitle {
      color: rgba(255, 255, 255, 0.7);
    }
    .game-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .game-card {
      background: rgba(255, 255, 255, 0.95);
      border-radius: 16px;
      padding: 30px 24px;
      text-align: center;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
      transition: transform 0.2s;
    }
    .game-card:hover {
      transform: translateY(-6px) scale(1.02);
    }
    .game-card img {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      object-fit: cover;
      margin-bottom: 15px;
    }
    .game-card h4 {
      color: var(--secondary);
      font-size: 18px;
      margin-bottom: 8px;
    }
    .game-card p {
      color: #666;
      font-size: 14px;
    }
    /* news */
    .news-list {
      padding: 60px 0;
      background: #fdf8f5;
    }
    .news-item {
      background: #fff;
      border-radius: 14px;
      padding: 25px 30px;
      margin-bottom: 22px;
      box-shadow: 0 5px 18px rgba(0, 0, 0, 0.04);
      border-left: 5px solid var(--primary);
      transition: box-shadow 0.2s;
    }
    .news-item:hover {
      box-shadow: 0 10px 30px rgba(234, 88, 12, 0.1);
    }
    .news-item .news-date {
      display: inline-block;
      background: #fff7f0;
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      padding: 3px 14px;
      border-radius: 12px;
      margin-right: 10px;
    }
    .news-item .news-tag {
      display: inline-block;
      background: var(--secondary);
      color: #fff;
      font-size: 12px;
      padding: 3px 14px;
      border-radius: 12px;
      font-weight: 600;
    }
    .news-item h4 {
      color: var(--secondary);
      font-size: 18px;
      margin-top: 12px;
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .news-item h4 a {
      color: var(--secondary);
      text-decoration: none;
    }
    .news-item p {
      color: #555;
      font-size: 15px;
      line-height: 1.7;
    }
    /* faq */
    .faq {
      padding: 60px 0;
      background: #fff;
    }
    .faq-grid {
      max-width: 800px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff7f0;
      border-radius: 14px;
      padding: 24px 28px;
      margin-bottom: 18px;
      box-shadow: 0 4px 14px rgba(127, 29, 29, 0.05);
      border: 1px solid #fee7d0;
    }
    .faq-item h4 {
      color: var(--secondary);
      font-size: 16px;
      margin-bottom: 10px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .faq-item h4 .q {
      color: var(--primary);
      font-weight: 800;
      margin-right: 8px;
    }
    .faq-item p {
      color: #555;
      font-size: 14px;
      line-height: 1.75;
      padding-left: 30px;
    }
    /* cta */
    .cta {
      padding: 70px 0;
      background: linear-gradient(135deg, #7f1d1d, #ea580c);
      text-align: center;
    }
    .cta h2 {
      color: #fff;
      font-size: 34px;
      font-weight: 800;
      margin-bottom: 15px;
    }
    .cta p {
      color: rgba(255, 255, 255, 0.85);
      font-size: 16px;
      margin-bottom: 30px;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }
    .cta-buttons {
      display: flex;
      gap: 20px;
      justify-content: center;
      flex-wrap: wrap;
    }
    .btn {
      display: inline-block;
      padding: 13px 36px;
      border-radius: 30px;
      font-size: 16px;
      font-weight: 600;
      text-decoration: none;
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .btn-light {
      background: #fff;
      color: var(--secondary);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }
    .btn-outline {
      background: transparent;
      color: #fff;
      border: 2px solid rgba(255, 255, 255, 0.6);
    }
    .btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    }
    /* footer */
    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, 0.75);
      padding: 50px 0 20px;
    }
    .footer-inner {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      margin-bottom: 30px;
    }
    .site-footer h5 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 12px;
    }
    .site-footer p {
      font-size: 14px;
      line-height: 1.6;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 20px;
      text-align: center;
      font-size: 13px;
    }
    .footer-bottom a {
      color: rgba(255, 255, 255, 0.6);
      text-decoration: none;
      margin: 0 8px;
    }
    .footer-bottom a:hover {
      color: #fff;
    }
    @media (max-width: 900px) {
      .hero .container {
        grid-template-columns: 1fr;
      }
      .stats-grid,
      .adv-grid,
      .events-grid,
      .game-grid {
        grid-template-columns: 1fr 1fr;
      }
      .brand-inner {
        grid-template-columns: 1fr;
      }
      .footer-inner {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 600px) {
      .stats-grid,
      .adv-grid,
      .events-grid,
      .game-grid {
        grid-template-columns: 1fr;
      }
      .nav-links {
        gap: 10px;
        justify-content: center;
      }
    }