:root{
  --bg:#f4f5f7;--card:#fff;--text:#17181a;--muted:#7b8088;
  --line:#e8eaed;--accent:#137fec;--accent2:#0b67c5;--radius:20px;
}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg)}
button,a{font:inherit}
.page{width:min(760px,100%);margin:auto;padding:18px 14px 40px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 30px rgba(20,30,50,.05);margin-bottom:14px}
.hero{display:flex;gap:18px;padding:20px}
.app-icon{width:124px;height:124px;border-radius:28px;object-fit:cover;box-shadow:0 8px 24px rgba(0,0,0,.15)}
.hero-main{flex:1;min-width:0}
.title-row{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
h1{margin:4px 0 2px;font-size:30px;letter-spacing:.2px}
h2{font-size:22px;margin:0 0 14px}
.subtitle,.notice,p{line-height:1.65}
.subtitle{margin:0;color:var(--muted)}
.notice{font-size:14px;color:#636870;margin:12px 0}
.badge{background:#eef6ff;color:var(--accent);padding:5px 9px;border-radius:999px;font-weight:700;font-size:13px}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.button{border:0;border-radius:12px;padding:12px 18px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;font-weight:700;cursor:pointer}
.primary{background:var(--accent);color:white}
.primary:active{background:var(--accent2)}
.secondary{background:#f1f3f5;color:#25282c}
.full{width:100%}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);padding:15px 0}
.metrics div{text-align:center;border-right:1px solid var(--line)}
.metrics div:last-child{border:0}
.metrics strong,.metrics span{display:block}
.metrics strong{font-size:18px}
.metrics span{color:var(--muted);font-size:13px;margin-top:5px}
.content{padding:22px}
.content>p{margin:8px 0;color:#454a51}
.url-box{word-break:break-all;padding:12px;background:#f6f8fa;border-radius:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
.steps{padding:0;margin:0;list-style:none}
.steps li{display:flex;gap:13px;padding:13px 0;border-bottom:1px solid var(--line)}
.steps li:last-child{border-bottom:0}
.steps li>span{flex:none;width:28px;height:28px;border-radius:50%;background:#eaf4ff;color:var(--accent);font-weight:800;display:grid;place-items:center}
.steps strong{display:block}
.steps p{margin:3px 0 0;color:var(--muted);font-size:14px}
.warning{border-color:#f1d9a6;background:#fffdf7}
footer{text-align:center;color:var(--muted);font-size:13px;padding:12px}
dialog{border:0;border-radius:22px;width:min(440px,calc(100% - 28px));padding:0;box-shadow:0 24px 80px rgba(0,0,0,.25)}
dialog::backdrop{background:rgba(0,0,0,.5);backdrop-filter:blur(3px)}
.dialog-body{padding:24px;position:relative}
.dialog-body ol{padding-left:22px;line-height:2}
.close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:30px;color:#777;cursor:pointer}
@media(max-width:560px){
  .hero{align-items:flex-start;padding:16px;gap:14px}
  .app-icon{width:96px;height:96px;border-radius:22px}
  h1{font-size:25px}
  .notice{margin-top:9px}
  .actions{margin-top:12px}
  .button{flex:1;padding:11px 10px}
}
@media(max-width:410px){
  .hero{display:block}
  .app-icon{width:92px;height:92px;margin-bottom:12px}
}