:root {
    --red: #e8382a;
    --red-dark: #a82015;
    --gold: #ffc94a;
    --gold-deep: #d99a1e;
    --purple: #3d2a68;
    --purple-deep: #241543;
    --ink: #2b1c0f;
    --cream: #fff7e8;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    color: var(--cream);
    background: var(--purple-deep);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }
  a { text-decoration: none; color: inherit; }
  img { max-width: 100%; display: block; }

  /* ===== 导航 ===== */
  .nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px clamp(16px, 4vw, 48px);
    background: linear-gradient(180deg, rgba(20,10,40,.92), rgba(20,10,40,.65) 70%, transparent);
    backdrop-filter: blur(8px);
  }
  .nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--gold); letter-spacing: 1px; }
  .nav-logo img { width: 40px; height: 40px; border-radius: 10px; box-shadow: 0 2px 12px rgba(255,201,74,.4); }
  .nav-links { display: flex; gap: clamp(12px, 2.5vw, 32px); font-size: 15px; }
  .nav-links a { color: rgba(255,247,232,.85); transition: color .2s; white-space: nowrap; }
  .nav-links a:hover { color: var(--gold); }
  .nav-cta {
    padding: 8px 18px; border-radius: 999px; font-weight: 700; font-size: 14px;
    color: #3a1d00; background: linear-gradient(135deg, #ffd978, var(--gold));
    box-shadow: 0 4px 18px rgba(255,201,74,.45); transition: transform .2s, box-shadow .2s;
  }
  .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(255,201,74,.65); }
  .nav-burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
  .nav-burger span { width: 24px; height: 3px; background: var(--gold); border-radius: 2px; transition: .3s; }

  /* ===== Hero ===== */
  .hero {
    position: relative; min-height: 100vh; min-height: 100svh;
    display: flex; align-items: center; justify-content: center;
    text-align: center; padding: 120px 20px 60px; overflow: hidden;
  }
  .hero-bg { position: absolute; inset: 0; z-index: -2; }
  .hero-bg .slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease; background-size: cover; background-position: center; }
  .hero-bg .slide.active { opacity: 1; }
  .hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,10,40,.55), rgba(36,21,67,.25) 45%, rgba(24,12,48,.95)); }
  .hero-inner { position: relative; z-index: 1; max-width: 900px; }
  .hero-tag {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
    color: var(--gold); background: rgba(255,201,74,.12); border: 1px solid rgba(255,201,74,.45);
    backdrop-filter: blur(4px); margin-bottom: 22px;
  }
  .hero-tag i { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 8px var(--gold); animation: pulse 1.6s infinite; }
  @keyframes pulse { 50% { opacity: .35; } }
  .hero h1 {
    font-size: clamp(24px, 5.2vw, 84px); font-weight: 900; letter-spacing: clamp(2px, 0.3vw, 6px); line-height: 1.1;
    background: linear-gradient(180deg, #ffe9a8, var(--gold) 55%, #c98218);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    filter: drop-shadow(0 4px 18px rgba(255,201,74,.35)); margin-bottom: 10px;
  }
  .hero-sub { font-size: clamp(15px, 2.5vw, 20px); color: rgba(255,247,232,.92); letter-spacing: 3px; margin-bottom: 18px; font-weight: 600; }
  .hero-desc { max-width: 680px; margin: 0 auto 30px; font-size: clamp(14px, 1.8vw, 17px); line-height: 1.8; color: rgba(255,247,232,.85); }
  .hero-info { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 34px; }
  .hero-info span {
    padding: 7px 16px; border-radius: 10px; font-size: 13px; font-weight: 600;
    background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(4px);
  }
  .hero-info b { color: var(--gold); }

  /* ===== 首屏优惠高亮（0.1折 / 每日永久648） ===== */
  .hero-promo { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px 16px; margin: 0 0 26px; }
  .promo-item {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 26px; border-radius: 999px;
    font-size: clamp(15px, 2.4vw, 19px); font-weight: 700; letter-spacing: 1px;
    color: #3a1d00; background: linear-gradient(135deg, #ffe9a8, var(--gold) 60%, #f0a92c);
    box-shadow: 0 8px 26px rgba(255,201,74,.45);
    animation: promoPulse 2.4s ease-in-out infinite;
  }
  .promo-item b { font-size: 1.3em; color: #c21d12; font-weight: 900; }
  @keyframes promoPulse { 50% { box-shadow: 0 8px 36px rgba(255,201,74,.8); transform: translateY(-2px); } }

  .hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 15px 38px; border-radius: 14px; font-size: 17px; font-weight: 800; letter-spacing: 1px;
    transition: transform .2s, box-shadow .2s, filter .2s; cursor: pointer; border: none;
  }
  .btn-primary {
    color: #3a1d00; background: linear-gradient(135deg, #ffd978, var(--gold) 60%, #f0a92c);
    box-shadow: 0 8px 30px rgba(255,201,74,.5);
  }
  .btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 12px 38px rgba(255,201,74,.65); }
  .btn-ghost {
    color: var(--cream); background: rgba(255,255,255,.08); border: 1.5px solid rgba(255,201,74,.55);
    backdrop-filter: blur(4px);
  }
  .btn-ghost:hover { transform: translateY(-3px); background: rgba(255,201,74,.15); }

  /* ===== 立即下载按钮悬浮二维码（电脑端 hover 显示） ===== */
  .qr-wrap { position: relative; display: inline-flex; }
  .qr-pop {
    position: absolute; left: 50%; bottom: calc(100% + 16px); transform: translateX(-50%) translateY(6px);
    background: #fff; padding: 14px 14px 12px; border-radius: 16px; text-align: center;
    box-shadow: 0 18px 44px rgba(0,0,0,.5);
    opacity: 0; visibility: hidden; transition: opacity .25s ease, transform .25s ease, visibility .25s;
    z-index: 60; pointer-events: none;
  }
  .qr-pop::after {
    content: ""; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
    border: 8px solid transparent; border-top-color: #fff;
  }
  .qr-wrap:hover .qr-pop { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
  .qr-pop-box { width: 168px; height: 168px; line-height: 0; }
  .qr-pop-box img, .qr-pop-box canvas { width: 100%; height: 100%; display: block; }
  .qr-pop-tip { margin-top: 8px; font-size: 12.5px; font-weight: 700; color: #3a1d00; letter-spacing: 1px; }
  @media (hover: none), (pointer: coarse) {
    .qr-wrap:hover .qr-pop { opacity: 0; visibility: hidden; transform: translateX(-50%) translateY(6px); }
  }
  .hero-scroll {
    position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
    color: rgba(255,247,232,.7); font-size: 12px; letter-spacing: 2px; animation: bob 2s infinite;
  }
  @keyframes bob { 50% { transform: translate(-50%, 8px); } }

  /* ===== 通用区块 ===== */
  section { padding: clamp(60px, 9vw, 110px) clamp(18px, 5vw, 64px); position: relative; }
  .section-title { text-align: center; margin-bottom: clamp(32px, 5vw, 56px); }
  .section-title .en { font-size: 13px; letter-spacing: 5px; color: rgba(255,201,74,.6); text-transform: uppercase; margin-bottom: 10px; }
  .section-title h2 { font-size: clamp(26px, 4.5vw, 44px); font-weight: 900; letter-spacing: 3px; color: var(--gold); }
  .section-title p { margin-top: 14px; color: rgba(255,247,232,.75); font-size: clamp(14px, 1.8vw, 16px); line-height: 1.8; max-width: 720px; margin-inline: auto; }

  /* ===== 游戏介绍 ===== */
  .about { background: linear-gradient(180deg, var(--purple-deep), #2a1952); }
  .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 56px); align-items: center; max-width: 1080px; margin: 0 auto; }
  .about-media { position: relative; border-radius: 20px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,.45); border: 2px solid rgba(255,201,74,.35); }
  .about-media img { width: 100%; aspect-ratio: 16/10; object-fit: cover; transition: transform .5s; }
  .about-media:hover img { transform: scale(1.05); }
  .about-media video { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
  .about-text h3 { font-size: clamp(20px, 3vw, 28px); color: var(--gold); margin-bottom: 16px; letter-spacing: 1px; }
  .about-text p { font-size: clamp(14px, 1.7vw, 16px); line-height: 2; color: rgba(255,247,232,.88); margin-bottom: 14px; }
  .about-text .highlight { color: var(--gold); font-weight: 700; }

  /* ===== 福利 ===== */
  .benefits { background: radial-gradient(1200px 500px at 50% 0%, #33205f, var(--purple-deep)); }
  .benefit-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 1180px; margin: 0 auto; }
  .benefit-card {
    position: relative; padding: 26px 22px; border-radius: 18px; overflow: hidden;
    background: linear-gradient(160deg, rgba(255,255,255,.09), rgba(255,255,255,.03));
    border: 1px solid rgba(255,201,74,.25); transition: transform .25s, border-color .25s;
  }
  .benefit-card:hover { transform: translateY(-6px); border-color: rgba(255,201,74,.6); }
  .benefit-card .num {
    position: absolute; right: 14px; top: -14px; font-size: 76px; font-weight: 900; line-height: 1;
    color: rgba(255,201,74,.12); pointer-events: none;
  }
  .benefit-card .icon { font-size: 30px; margin-bottom: 14px; display: block; filter: drop-shadow(0 4px 10px rgba(255,201,74,.4)); }
  .benefit-card h4 { font-size: 18px; color: var(--gold); margin-bottom: 10px; letter-spacing: 1px; }
  .benefit-card p { font-size: 13.5px; line-height: 1.8; color: rgba(255,247,232,.82); }

  /* 福利横幅 */
  .benefit-banner {
    max-width: 1180px; margin: 34px auto 0; padding: 24px 26px; border-radius: 18px;
    background: linear-gradient(135deg, rgba(255,201,74,.16), rgba(232,56,42,.12));
    border: 1.5px dashed rgba(255,201,74,.55); text-align: center;
  }
  .benefit-banner h4 { color: var(--gold); font-size: 17px; letter-spacing: 1px; margin-bottom: 10px; }
  .benefit-banner p { font-size: 14px; line-height: 1.9; color: rgba(255,247,232,.88); }

  /* ===== 截图 ===== */
  .gallery { background: linear-gradient(180deg, #2a1952, var(--purple-deep)); }
  .gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 1180px; margin: 0 auto; }
  .gallery-item { position: relative; border-radius: 14px; overflow: hidden; border: 1px solid rgba(255,255,255,.1); cursor: pointer; }
  .gallery-item img { width: 100%; aspect-ratio: 1440 / 3168; object-fit: cover; transition: transform .5s; }
  .gallery-item:hover img { transform: scale(1.08); }
  .gallery-item::after { content: "＋"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 42px; color: var(--gold); background: rgba(20,10,40,.45); opacity: 0; transition: opacity .3s; }
  .gallery-item:hover::after { opacity: 1; }

  /* 灯箱 */
  .lightbox { position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center; background: rgba(10,5,20,.92); padding: 20px; }
  .lightbox.open { display: flex; }
  .lightbox img { max-width: 92vw; max-height: 85vh; border-radius: 12px; box-shadow: 0 20px 80px rgba(0,0,0,.6); }
  .lightbox .close { position: absolute; top: 22px; right: 26px; font-size: 40px; color: #fff; cursor: pointer; line-height: 1; }

  /* ===== 视频 ===== */
  .video-section { background: radial-gradient(1000px 400px at 50% 100%, #33205f, var(--purple-deep)); }
  .video-wrap { max-width: 960px; margin: 0 auto; }
  .video-box { position: relative; border-radius: 20px; overflow: hidden; border: 2px solid rgba(255,201,74,.35); box-shadow: 0 20px 60px rgba(0,0,0,.5); background: #000; }
  .video-box video { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; }

  /* ===== 资讯 ===== */
  .news { background: radial-gradient(1000px 500px at 50% 0%, #33205f, var(--purple-deep)); }
  .news-list { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
  .news-item {
    display: flex; align-items: center; gap: 16px; padding: 18px 22px; border-radius: 14px;
    background: linear-gradient(160deg, rgba(255,255,255,.09), rgba(255,255,255,.03));
    border: 1px solid rgba(255,201,74,.22); transition: transform .25s, border-color .25s, background .25s;
  }
  .news-item:hover { transform: translateX(6px); border-color: rgba(255,201,74,.6); background: rgba(255,201,74,.08); }
  .news-tag {
    flex-shrink: 0; padding: 5px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 800;
    color: #3a1d00; background: linear-gradient(135deg, #ffd978, var(--gold));
    box-shadow: 0 2px 10px rgba(255,201,74,.35);
  }
  .news-main { flex: 1; min-width: 0; }
  .news-main h4 { font-size: 15.5px; font-weight: 700; color: var(--cream); letter-spacing: .5px; margin-bottom: 5px; transition: color .2s; }
  .news-item:hover .news-main h4 { color: var(--gold); }
  .news-main p { font-size: 13px; color: rgba(255,247,232,.6); line-height: 1.6; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .news-more { flex-shrink: 0; font-size: 13px; font-weight: 700; color: var(--gold); white-space: nowrap; }
  @media (max-width: 620px) {
    .news-item { flex-wrap: wrap; padding: 15px 16px; gap: 10px; }
    .news-main { flex-basis: 100%; order: 3; }
    .news-main p { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
    .news-more { margin-left: auto; }
  }

  /* ===== 首发/CTA ===== */
  .launch { text-align: center; background: linear-gradient(180deg, var(--purple-deep), #1c0f36 120%); overflow: hidden; }
  .launch h2 { font-size: clamp(28px, 5vw, 46px); color: var(--gold); font-weight: 900; letter-spacing: 3px; margin-bottom: 18px; }
  .launch .date {
    display: inline-block; margin: 6px 0 24px; padding: 12px 30px; border-radius: 14px;
    font-size: clamp(18px, 3vw, 26px); font-weight: 800; letter-spacing: 2px;
    color: #3a1d00; background: linear-gradient(135deg, #ffd978, var(--gold));
    box-shadow: 0 8px 30px rgba(255,201,74,.45);
  }
  .launch .slogan { font-size: clamp(18px, 2.8vw, 26px); font-weight: 800; color: var(--cream); letter-spacing: 2px; margin-bottom: 12px; }
  .launch .slogan b { color: var(--gold); }
  .launch p { color: rgba(255,247,232,.8); line-height: 2; max-width: 640px; margin: 0 auto 32px; font-size: 15px; }

  /* ===== 下载区二维码 ===== */
  .launch-qr { margin-top: 40px; }
  .launch-qr-box {
    width: 148px; height: 148px; margin: 0 auto; padding: 10px; background: #fff;
    border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,.35); line-height: 0;
  }
  .launch-qr-box img, .launch-qr-box canvas { width: 100%; height: 100%; display: block; }
  .launch-qr-tip { margin-top: 12px; font-size: 13px; letter-spacing: 2px; color: rgba(255,247,232,.6); }

  /* ===== 页脚 ===== */
  footer { padding: 34px 20px 30px; text-align: center; border-top: 1px solid rgba(255,255,255,.08); background: #180c30; }
  .footer-links { margin-bottom: 22px; padding-bottom: 22px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .footer-links h4 { font-size: 13px; color: rgba(255,247,232,.45); font-weight: 500; letter-spacing: 2px; margin-bottom: 14px; }
  .footer-links-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; max-width: 980px; margin: 0 auto; }
  .footer-links-list a { font-size: 13px; color: rgba(255,247,232,.55); transition: color .2s; }
  .footer-links-list a:hover { color: var(--gold); }
  footer p { font-size: 12.5px; color: rgba(255,247,232,.5); line-height: 1.9; }

  /* ===== 返回顶部 ===== */
  .back-top {
    position: fixed; right: 22px; bottom: 26px; z-index: 150;
    width: 48px; height: 48px; border-radius: 50%; border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: #3a1d00; font-size: 20px; font-weight: 900;
    background: linear-gradient(135deg, #ffd978, var(--gold));
    box-shadow: 0 6px 24px rgba(255,201,74,.5);
    opacity: 0; visibility: hidden; transform: translateY(14px);
    transition: opacity .3s, transform .3s, visibility .3s;
  }
  .back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
  .back-top:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(255,201,74,.7); }
  @media (max-width: 620px) { .back-top { right: 16px; bottom: 20px; width: 44px; height: 44px; } }

  /* ===== 响应式 ===== */
  @media (max-width: 900px) {
    .about-grid { grid-template-columns: 1fr; }
    .about-media { order: -1; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 620px) {
    .nav-links { display: none; }
    .nav-burger { display: flex; }
    .nav-links.open {
      display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
      background: rgba(20,10,40,.96); padding: 18px 24px; gap: 16px; backdrop-filter: blur(10px);
    }
    .nav-links.open a { font-size: 17px; }
    .hero { padding-top: 100px; }
    .benefit-cards { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .gallery-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .btn { width: 100%; max-width: 320px; }
    .qr-wrap { width: 100%; max-width: 320px; }
    .hero-promo { gap: 8px 10px; margin-bottom: 20px; }
    .promo-item { padding: 8px 16px; font-size: 13.5px; }
  }