:root{
--brand:#F3BA2F; /* Binance Yellow */
--bg:#0B0E11;
--card:#141A1F;
--muted:#A9B1B7;
--text:#E6E8EA;
--accent:#1E2329;
--ok:#11B67A;
--danger:#F6465D;
--maxw:690px; /* 移动端主容器宽度上限 */
--radius:16px;
--shadow:0 6px 24px rgba(0,0,0,.24);
}
*{box-sizing:border-box}
html,body{background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;margin:0}
a{color:var(--text);text-decoration:none}
img{max-width:100%;display:block}
.muted{color:#9aa3aa}

.container{max-width:var(--maxw);margin:0 auto;padding:16px 14px 100px} /* 预留底部条空间 */
.hero{background:linear-gradient(180deg,#11161C,transparent);padding:18px;border-radius:var(--radius);border:1px solid #1f2630}

.row{display:flex;gap:14px;align-items:center}
.row-between{justify-content:space-between;align-items:center}
.row-gap{gap:8px;align-items:center}

.hero .logo,.sticky .logo{width:48px;height:48px;border-radius:12px;background:#111;border:1px solid #222;display:flex;align-items:center;justify-content:center}
.hero .logo{width:48px;height:48px}

.hero h1{font-size:20px;margin:6px 0 4px}
.hero p.sub{color:var(--muted);margin:0 0 8px}

.meta{display:flex;flex-wrap:wrap;gap:8px;color:#cbd1d6;font-size:12px;margin:8px 0}
.meta span{background:#101418;border:1px solid #1f2630;border-radius:999px;padding:6px 10px}
.tag{color:#111;background:var(--brand);border-radius:999px;padding:2px 8px;font-weight:700;font-size:12px}

.btns{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 14px;border-radius:12px;border:1px solid #202733;background:#12171d;box-shadow:var(--shadow);font-weight:600;min-height:44px}
.btn.primary{background:var(--brand);color:#111;border-color:#d8a41f}
.btn.ghost{background:#101418}

.qr{margin-left:auto}
.qr .box{width:92px;height:92px;border-radius:12px;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden}

.section{margin-top:18px;background:var(--card);border:1px solid #1f2630;border-radius:var(--radius);padding:16px}
.section h2{font-size:16px;margin:0 0 10px}

.features{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.feature{background:#101418;border:1px solid #1f2630;border-radius:12px;padding:12px}
.feature b{display:block;margin-bottom:4px}

.gallery{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
.shot{min-width:240px;scroll-snap-align:start;border-radius:14px;overflow:hidden;border:1px solid #222}

.changelog details,.history details,.faq details{background:#101418;border:1px solid #1f2630;border-radius:12px;padding:10px;margin-bottom:8px}

.rating,.badges{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.badge{border:1px dashed #2a323c;border-radius:999px;padding:6px 10px;color:#cbd1d6;font-size:12px}

.support{display:grid;gap:10px}
.support a{display:flex;justify-content:space-between;align-items:center;padding:12px;border-radius:12px;background:#101418;border:1px solid #1f2630;min-height:44px}

/* 快讯 */
.news .news-item{background:#101418;border:1px solid #1f2630;border-radius:12px;padding:12px}
.news .sub{margin:6px 0 0;color:#9aa3aa}
.news .news-actions{margin-top:10px;display:flex;gap:10px}

/* 粘性底部下载条 */
.sticky{position:fixed;left:0;right:0;bottom:0;background:#0d1117;border-top:1px solid #1f2630;padding:10px 12px;z-index:99}
.sticky .wrap{max-width:var(--maxw);margin:0 auto;display:flex;gap:10px;align-items:center}
.sticky .logo{width:34px;height:34px;border-radius:8px}
.sticky .text .title{font-weight:700}
.sticky .text .desc{color:#9aa3aa}
.sticky .cta{margin-left:auto;display:flex;gap:8px}

footer{color:#9aa3aa;font-size:12px;margin:14px auto 100px;max-width:var(--maxw);padding:0 14px}
footer a{color:#cdd3d8}