:root{
  --bg:#F7F3EA; --paper:#FFFFFF; --ink:#241F19; --muted:#5C554B;
  --line:#D9D0BF; --accent:#8A4B2A; --accent-soft:#F4E9DF;
  --green:#2F6B4F; --coral:#F5C4B3; --purple:#CECBF6; --teal:#9FE1CB; --amber:#FAC775;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:#E8E2D6;color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:20px;line-height:1.6;-webkit-text-size-adjust:100%}
.phone{max-width:480px;min-height:100vh;margin:0 auto;background:var(--bg);
  padding:16px 18px 40px;position:relative}
h1{font-size:30px;margin:6px 0 14px;line-height:1.3}
h2{font-size:26px;margin:12px 0 18px;line-height:1.35}
p{margin:10px 0}
button{font-family:inherit;font-size:20px;cursor:pointer}
button:focus-visible{outline:4px solid var(--accent);outline-offset:2px}

.demo-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:#EDE6D8;
  border:1px solid var(--line);border-radius:12px;padding:8px 10px;font-size:15px}
.demo-bar select{font-size:16px;padding:6px 8px;border:1px solid var(--line);
  border-radius:8px;background:#fff;flex:1;min-width:150px}
.tag{font-size:14px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:3px 10px}
.top{display:flex;justify-content:space-between;align-items:center;margin:14px 0 18px}
.link-btn{min-height:56px;padding:0 16px;background:transparent;border:2px solid var(--line);
  border-radius:12px;color:var(--ink)}

.cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:22px}
.card{min-height:150px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:6px;background:var(--paper);border:2px solid var(--line);border-radius:18px;
  color:var(--ink);padding:14px 8px}
.card:active,.card.selected{border-color:var(--accent);background:var(--accent-soft)}
.card strong{font-size:24px;font-weight:700}
.card small{font-size:16px;color:var(--muted)}
.ico{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;
  justify-content:center;font-size:24px;font-weight:700}
.ico-coral{background:var(--coral);color:#712B13}
.ico-purple{background:var(--purple);color:#26215C}
.ico-teal{background:var(--teal);color:#04342C}
.ico-amber{background:var(--amber);color:#412402}

.example{background:var(--paper);border:2px solid var(--line);border-radius:14px;
  padding:14px 16px;margin-bottom:18px}
.example-label{font-size:16px;color:var(--muted);margin-bottom:4px}
#exampleText{font-size:20px;line-height:1.6}
.input-box{display:block;margin-bottom:16px}
.input-box span{display:block;font-size:17px;color:var(--muted);margin-bottom:8px}
.input-box input{width:100%;min-height:64px;font-size:20px;padding:10px 14px;
  border:2px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
.asset-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.asset-info{font-size:17px;color:var(--muted)}
.action-row{display:flex;gap:12px;margin:12px 0}
.big-btn{flex:1;min-height:68px;border:2px solid var(--line);border-radius:14px;
  background:var(--paper);color:var(--ink);font-weight:600;padding:10px}
.big-btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.big-btn.ghost{background:transparent}
.hint{font-size:16px;color:var(--muted);margin-top:16px}

.progress-card{background:var(--paper);border:2px solid var(--line);border-radius:18px;
  padding:28px 22px;text-align:center;margin:30px 0 20px}
.progress-ico{width:80px;height:80px;margin:0 auto 16px;border-radius:20px;
  background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;
  justify-content:center;font-size:36px;font-weight:700}
.progress-track{height:22px;background:#EDE6D8;border-radius:12px;overflow:hidden;margin:22px 0 8px}
.progress-fill{height:100%;width:0;background:var(--green);transition:width .35s}
.pct{font-size:20px;color:var(--muted)}

.preview-box{background:#fff;border:2px solid var(--line);border-radius:16px;
  overflow:hidden;margin-bottom:10px}
.preview-box img{width:100%;display:block}
.aigc-note{font-size:17px;color:var(--muted);margin:10px 0 16px}
.works-list{display:flex;flex-direction:column;gap:14px;margin-bottom:20px}
.work-item{background:#fff;border:2px solid var(--line);border-radius:14px;
  padding:14px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.work-item strong{font-size:20px}
.work-item small{display:block;font-size:16px;color:var(--muted)}
.work-item button{min-height:56px;padding:0 14px;border:2px solid var(--line);
  border-radius:10px;background:var(--accent-soft);color:var(--accent)}

.overlay{position:fixed;inset:0;background:rgba(30,26,20,.86);display:flex;
  align-items:center;justify-content:center;padding:20px;z-index:50}
.consent-card,.compare-card{background:#fff;border-radius:20px;padding:26px;
  max-width:420px;width:100%;text-align:center}
.consent-card h2{font-size:28px}
.consent-card p{font-size:21px;line-height:1.7}
.consent-card .big-btn{width:100%;margin-top:12px}
.compare-card img{max-width:100%;max-height:50vh;border-radius:12px}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);
  background:#241F19;color:#fff;padding:14px 22px;border-radius:12px;
  font-size:18px;z-index:60;max-width:90vw;text-align:center}
[hidden]{display:none!important}
@media (max-width:380px){.cards{gap:10px}.card{min-height:132px}.big-btn{font-size:18px}}