*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#4E6EF2;
  --primary-deep:#3A52D8;
  --primary-weak:rgba(78,110,242,.08);
  --accent:#FF8A3D;
  --accent-deep:#F07A22;
  --dark:#1A2140;
  --dark-2:#2A3358;
  --bg:#F5F7FC;
  --hero-bg:#EDF1FE;
  --card:#FFFFFF;
  --border:#E4E9F4;
  --text:#22263A;
  --sub:#5C6478;
  --star:#FFB800;
  --shadow-hover:0 14px 34px rgba(30,42,90,.14);
  --radius:14px;
}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.7;padding-top:64px}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
img{display:block;width:100%;height:auto;border-radius:12px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:84px 0;scroll-margin-top:76px}

.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--card);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 4px 20px rgba(26,33,64,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:1px}
.nav-menu{display:flex;gap:22px}
.nav-menu a{font-size:14px;color:var(--sub);font-weight:500;padding:6px 0;border-bottom:2px solid transparent;transition:color .25s,border-color .25s}
.nav-menu a:hover{color:var(--primary);border-color:var(--primary)}
.nav-btn{font-size:13px;font-weight:600;color:#fff;background:var(--accent);padding:7px 16px;border-radius:20px;white-space:nowrap;transition:background .25s,transform .25s}
.nav-btn:hover{background:var(--accent-deep);transform:translateY(-1px)}

.hero{background:var(--hero-bg)}
.hero-inner{display:flex;align-items:center;gap:64px;padding-top:40px;padding-bottom:40px}
.hero-text{flex:1}
.hero-tag{display:inline-block;background:var(--primary-weak);color:var(--primary);font-size:13px;font-weight:600;padding:4px 14px;border-radius:20px;margin-bottom:18px}
.hero h1{font-size:42px;color:var(--dark);line-height:1.3}
.hero .ver{color:var(--primary);font-size:24px;margin-left:6px}
.hero-desc{margin:18px 0 30px;color:var(--sub);font-size:16px;max-width:560px}
.hero-btns{display:flex;gap:16px}
.btn{display:inline-block;padding:12px 30px;border-radius:30px;font-size:15px;font-weight:700;color:#fff;text-align:center;transition:transform .25s,box-shadow .25s}
.btn:hover{transform:translateY(-3px)}
.btn-android{background:var(--primary);box-shadow:0 8px 22px rgba(78,110,242,.3)}
.btn-android:hover{box-shadow:0 12px 26px rgba(78,110,242,.35)}
.btn-ios{background:var(--accent);box-shadow:0 8px 22px rgba(255,138,61,.3)}
.btn-ios:hover{box-shadow:0 12px 26px rgba(255,138,61,.35)}
.hero-img{flex:0 0 280px}
.hero-img img{box-shadow:0 18px 40px rgba(26,33,64,.18)}

.sec-head{text-align:center;margin-bottom:48px}
.sec-head .tag{display:inline-block;background:var(--primary-weak);color:var(--primary);font-size:13px;font-weight:600;padding:4px 14px;border-radius:20px;margin-bottom:14px}
.sec-head h2{font-size:30px;color:var(--dark);font-weight:800}
.sec-head p{color:var(--sub);margin-top:12px;font-size:15px}

.game-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.game-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:10px;transition:transform .3s,box-shadow .3s}
.game-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.game-card img{border-radius:10px}

.intro-text{margin:0 auto;max-width:860px;color:var(--sub);font-size:15px}
.intro-text p{margin-bottom:16px}
.intro-chips{display:flex;justify-content:center;gap:16px;margin-top:32px;flex-wrap:wrap}
.chip{background:var(--card);border:1px solid var(--border);border-radius:30px;padding:10px 22px;font-size:14px;font-weight:600;color:var(--primary)}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.f-icon{width:52px;height:52px;border-radius:14px;background:var(--primary);color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card h3{font-size:17px;color:var(--dark);margin-bottom:10px}
.card p{font-size:14px;color:var(--sub)}

.compare-wrap{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow-x:auto;max-width:900px;margin:0 auto}
.compare-table{width:100%;min-width:660px;border-collapse:collapse}
.compare-table th{padding:16px 20px;font-size:15px;background:var(--dark);color:#fff;white-space:nowrap}
.compare-table th.main-col{background:var(--primary)}
.compare-table th:last-child{background:var(--dark-2)}
.compare-table td{padding:15px 20px;font-size:14px;text-align:center;white-space:nowrap;border-bottom:1px solid var(--border)}
.compare-table td:first-child{text-align:left;font-weight:600;color:var(--dark);background:var(--bg)}
.compare-table td.col-main{background:var(--primary-weak)}
.compare-table tr:last-child td{border-bottom:none}
.compare-hint{display:none;text-align:center;color:var(--sub);font-size:13px;margin-top:14px}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{background:var(--dark);border-radius:var(--radius);padding:32px 20px;text-align:center;transition:transform .3s,box-shadow .3s}
.stat:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.stat .num{font-size:38px;font-weight:800;color:#fff;line-height:1.2}
.stat .num i{font-style:normal;color:var(--accent)}
.stat .label{margin-top:10px;color:#AEB6CF;font-size:14px}

.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:transform .3s,box-shadow .3s}
.review:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.r-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.r-avatar{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;font-size:18px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:0 0 44px}
.r-name{font-size:15px;font-weight:700;color:var(--dark)}
.r-stars{color:var(--star);font-size:13px;letter-spacing:2px;line-height:1}

.version-card{max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:36px}
.v-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--border);margin-bottom:20px}
.v-badge{font-size:20px;font-weight:800;color:var(--primary)}
.v-date{font-size:14px;color:var(--sub)}
.v-list li{display:flex;gap:10px;padding:9px 0;font-size:14px;color:var(--sub)}
.v-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px;flex:0 0 6px}

.faq{max-width:760px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;cursor:pointer;font-size:15px;font-weight:600;color:var(--dark)}
.faq-q .icon{font-size:20px;font-weight:400;color:var(--primary);line-height:1;transition:transform .3s}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;font-size:14px;color:var(--sub)}

.download{background:var(--dark);color:#fff;text-align:center}
.download h1{font-size:32px;color:#fff;font-weight:800}
.download h1 .ver{color:var(--accent);font-size:20px}
.dl-meta{margin:14px 0 30px;font-size:14px;color:#AEB6CF}
.dl-btns{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.dl-btns .btn{min-width:280px;padding:14px 30px;font-size:16px}
.dl-tip{margin-top:26px;color:#C8CFE6;font-size:15px}

.footer{background:var(--dark);border-top:1px solid rgba(255,255,255,.08);padding:30px 0;text-align:center}
.footer p{color:#9AA3BD;font-size:13px}
.footer a{color:#C6CDE2;transition:color .25s}
.footer a:hover{color:#fff}

.back-top{position:fixed;right:26px;bottom:42px;width:44px;height:44px;border:none;border-radius:50%;background:var(--primary);color:#fff;font-size:18px;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;z-index:99;box-shadow:0 8px 20px rgba(78,110,242,.35)}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--primary-deep)}

@media (max-width:1024px){
  .game-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .nav-menu{gap:14px}
  .hero h1{font-size:34px}
}

@media (max-width:768px){
  body{padding-top:56px}
  .nav-inner{height:56px}
  .nav-menu{display:none}
  .hero-inner{flex-direction:column;gap:36px;padding-top:20px;padding-bottom:8px;text-align:center}
  .hero-desc{margin-left:auto;margin-right:auto}
  .hero h1{font-size:28px}
  .hero .ver{font-size:18px}
  .hero-btns{flex-direction:column;gap:12px;width:100%}
  .hero-btns .btn{width:100%;padding:13px 0}
  .hero-img{flex:none;max-width:250px;margin:0 auto}
  .section{padding:56px 0}
  .sec-head{margin-bottom:34px}
  .sec-head h2{font-size:24px}
  .game-grid,.feature-grid,.review-grid{grid-template-columns:1fr}
  .compare-hint{display:block}
  .dl-btns{flex-direction:column;align-items:stretch}
  .dl-btns .btn{width:100%;min-width:0}
  .dl-meta{font-size:12px;white-space:nowrap}
  .back-top{right:16px;bottom:24px;width:40px;height:40px}
}