:root {
    --amber: #d97706;
    --amber-light: #f59e0b;
    --amber-dark: #78350f;
    --cream: #fdf8f0;
    --cream-deep: #f5ead8;
    --cocoa: #3b2a1a;
    --cocoa-light: #7a5c3a;
    --white: #ffffff;
    --shadow-sm: 0 2px 12px rgba(120, 53, 15, 0.08);
    --shadow-md: 0 6px 24px rgba(120, 53, 15, 0.12);
    --shadow-lg: 0 12px 40px rgba(120, 53, 15, 0.18);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
  }
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    background: var(--cream);
    color: var(--cocoa);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }
  a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
  }
  img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius-sm);
  }
  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* Header */
  .site-header {
    background: linear-gradient(135deg, var(--amber), var(--amber-dark));
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(120, 53, 15, 0.35);
  }
  .header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-weight: 700;
    font-size: 20px;
  }
  .logo img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
  }
  .nav-links a {
    color: rgba(255, 255, 255, 0.92);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
  }
  .nav-links a:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
  }

  /* Hero */
  .hero {
    background: linear-gradient(135deg, #f59e0b 0%, var(--amber) 45%, var(--amber-dark) 100%);
    padding: 72px 0 64px;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -80px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
  }
  .hero::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: 20%;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
  }
  .hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
  }
  .hero-content h1 {
    color: var(--white);
    font-size: 34px;
    line-height: 1.35;
    font-weight: 700;
    margin-bottom: 18px;
    text-shadow: 0 2px 12px rgba(120, 53, 15, 0.3);
  }
  .hero-content p {
    color: rgba(255, 255, 255, 0.92);
    font-size: 16px;
    margin-bottom: 28px;
    max-width: 560px;
  }
  .hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }
  .btn-primary {
    background: var(--white);
    color: var(--amber-dark);
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    display: inline-block;
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  }
  .btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.7);
    padding: 10px 26px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    display: inline-block;
  }
  .btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--white);
  }
  .hero-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-height: 380px;
    object-fit: cover;
  }

  /* Section common */
  .section {
    padding: 64px 0;
  }
  .section-label {
    display: inline-block;
    background: linear-gradient(135deg, var(--amber), var(--amber-dark));
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
  }
  .section-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--amber-dark);
    margin-bottom: 12px;
    line-height: 1.3;
  }
  .section-subtitle {
    font-size: 15px;
    color: var(--cocoa-light);
    max-width: 680px;
  }

  /* Geo Intro */
  .geo-intro {
    background: var(--white);
    border-bottom: 1px solid var(--cream-deep);
    padding: 48px 0;
  }
  .geo-intro p {
    font-size: 16px;
    line-height: 1.9;
    text-align: justify;
    max-width: 1100px;
  }

  /* Data Stats */
  .stats-section {
    background: linear-gradient(135deg, var(--amber-dark), #5c2d10);
    padding: 56px 0;
    color: var(--white);
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
  }
  .stat-item {
    padding: 28px 16px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  .stat-item strong {
    display: block;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--amber-light);
  }
  .stat-item span {
    font-size: 14px;
    opacity: 0.9;
  }

  /* Core Advantages */
  .advantages-section {
    background: var(--cream);
  }
  .adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 36px;
  }
  .adv-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 32px 22px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 4px solid var(--amber);
  }
  .adv-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
  }
  .adv-card img {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    margin: 0 auto 16px;
  }
  .adv-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--amber-dark);
    margin-bottom: 10px;
  }
  .adv-card p {
    font-size: 14px;
    color: var(--cocoa-light);
    line-height: 1.7;
  }

  /* Brand Story */
  .story-section {
    background: var(--white);
  }
  .story-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-top: 36px;
  }
  .story-layout img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-height: 360px;
    object-fit: cover;
  }
  .story-text p {
    font-size: 15px;
    line-height: 1.9;
    color: var(--cocoa-light);
    margin-bottom: 16px;
    text-align: justify;
  }

  /* Featured Events */
  .events-section {
    background: var(--cream);
  }
  .events-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 36px;
  }
  .event-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s;
  }
  .event-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  .event-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
  }
  .event-info {
    padding: 20px;
  }
  .event-info .event-tag {
    display: inline-block;
    background: var(--cream-deep);
    color: var(--amber-dark);
    font-size: 12px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 12px;
    margin-bottom: 8px;
  }
  .event-info h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--cocoa);
    margin-bottom: 6px;
  }
  .event-info p {
    font-size: 13px;
    color: var(--cocoa-light);
  }

  /* News */
  .news-section {
    background: var(--white);
    border-bottom: 1px solid var(--cream-deep);
  }
  .news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 36px;
  }
  .news-card {
    background: var(--cream);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    border-bottom: 3px solid transparent;
  }
  .news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--amber);
  }
  .news-card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
  }
  .news-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .news-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--amber), var(--amber-dark));
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    padding: 2px 12px;
    border-radius: 12px;
    align-self: flex-start;
    margin-bottom: 10px;
  }
  .news-date {
    color: var(--amber);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
  }
  .news-content h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--cocoa);
  }
  .news-content h3 a:hover {
    color: var(--amber);
  }
  .news-content p {
    font-size: 14px;
    color: var(--cocoa-light);
    line-height: 1.7;
    text-align: justify;
  }

  /* Game Library */
  .game-section {
    background: var(--cream);
  }
  .game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 36px;
  }
  .game-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
  }
  .game-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  .game-card img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    margin: 0 auto 14px;
  }
  .game-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--amber-dark);
    margin-bottom: 6px;
  }
  .game-card p {
    font-size: 13px;
    color: var(--cocoa-light);
  }
  .game-card .game-link {
    display: inline-block;
    margin-top: 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--amber);
    border-bottom: 1px solid transparent;
  }
  .game-card .game-link:hover {
    border-bottom-color: var(--amber);
  }

  /* Testimonials */
  .testi-section {
    background: var(--white);
  }
  .testi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 36px;
  }
  .testi-card {
    background: var(--cream);
    border-radius: var(--radius-md);
    padding: 28px 22px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--amber);
  }
  .testi-card .quote {
    font-size: 14px;
    line-height: 1.9;
    color: var(--cocoa-light);
    margin-bottom: 16px;
    min-height: 120px;
  }
  .testi-card .author {
    font-size: 14px;
    font-weight: 600;
    color: var(--amber-dark);
  }
  .testi-card .author span {
    font-size: 13px;
    color: var(--cocoa-light);
    font-weight: 400;
  }

  /* FAQ */
  .faq-section {
    background: var(--cream);
  }
  .faq-list {
    max-width: 900px;
    margin: 36px auto 0;
  }
  .faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
  }
  .faq-item summary {
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--cocoa);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .faq-item summary::-webkit-details-marker {
    display: none;
  }
  .faq-item summary::before {
    content: "Q";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--amber), var(--amber-dark));
    color: var(--white);
    border-radius: 50%;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
  }
  .faq-item[open] summary {
    background: linear-gradient(135deg, #fff8ec, var(--cream-deep));
  }
  .faq-item .faq-answer {
    padding: 4px 24px 20px 64px;
    font-size: 14px;
    line-height: 1.9;
    color: var(--cocoa-light);
    text-align: justify;
  }

  /* App Download */
  .download-section {
    background: linear-gradient(135deg, var(--amber), var(--amber-dark));
    padding: 64px 0;
  }
  .download-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
  }
  .download-layout img {
    border-radius: var(--radius-lg);
    max-height: 260px;
    width: 100%;
    object-fit: cover;
  }
  .download-info h2 {
    color: var(--white);
    font-size: 28px;
    margin-bottom: 12px;
  }
  .download-info p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    margin-bottom: 24px;
  }
  .download-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }
  .store-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
  }
  .store-btn:hover {
    background: var(--white);
    color: var(--amber-dark);
  }

  /* Partners */
  .partners-section {
    background: var(--white);
  }
  .partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
    margin-top: 36px;
  }
  .partner-item {
    text-align: center;
    opacity: 0.82;
    transition: opacity 0.3s;
  }
  .partner-item:hover {
    opacity: 1;
  }
  .partner-item img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    margin: 0 auto 6px;
  }
  .partner-item span {
    font-size: 13px;
    color: var(--cocoa-light);
  }

  /* Footer */
  .site-footer {
    background: var(--amber-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 48px 0 24px;
  }
  .footer-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 28px;
  }
  .footer-col h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 14px;
  }
  .footer-col p {
    font-size: 14px;
    margin-bottom: 6px;
    line-height: 1.7;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    flex-wrap: wrap;
    gap: 10px;
  }
  .footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    margin: 0 6px;
  }
  .footer-bottom a:hover {
    color: var(--white);
  }

  /* Responsive */
  @media (max-width: 960px) {
    .hero .container {
      grid-template-columns: 1fr;
    }
    .hero-image {
      display: none;
    }
    .stats-grid,
    .adv-grid,
    .game-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .events-grid,
    .news-grid,
    .testi-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .story-layout,
    .download-layout {
      grid-template-columns: 1fr;
    }
    .footer-top {
      grid-template-columns: 1fr;
    }
  }
  @media (max-width: 600px) {
    .stats-grid,
    .adv-grid,
    .events-grid,
    .news-grid,
    .testi-grid,
    .game-grid {
      grid-template-columns: 1fr;
    }
    .hero {
      padding: 48px 0;
    }
    .hero-content h1 {
      font-size: 26px;
    }
  }