:root{color-scheme:dark;--page: #0e0f13;--ink: #e8edf2;--muted: #9aa3ad;--line: rgba(255, 255, 255, .08);--accent: #0ff0fc;--panel: #16181d}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(900px 420px at 80% -10%,rgba(15,240,252,.08),transparent 60%),var(--page);color:var(--ink);font-family:PingFang SC,Hiragino Sans GB,Noto Sans SC,Microsoft YaHei,sans-serif}.page{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:28px 0 48px}.head h1{margin:0;font-size:40px;letter-spacing:.02em}.mark{margin:0 0 6px;color:var(--accent);font-size:12px;letter-spacing:.22em}.lead{margin:8px 0 0;color:var(--muted)}.prompt{display:flex;gap:10px;align-items:center;margin-top:22px}.prompt label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.prompt input{flex:1;min-width:0;height:46px;border-radius:12px;border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:0 14px;font:inherit}.prompt button,.chips button{height:46px;border-radius:12px;border:1px solid transparent;background:var(--accent);color:#061316;font:inherit;font-weight:650;padding:0 16px;cursor:pointer}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.chips button{height:34px;background:transparent;color:var(--ink);border-color:var(--line);font-weight:500;font-size:13px}#status{min-height:1.4em;margin:12px 0;color:var(--muted);font-size:13px}huafire3d-card{display:block;height:min(74vh,820px);min-height:560px;border-radius:18px;border:1px solid var(--line);overflow:hidden;background:#121212}.json-panel{margin-top:16px;border:1px solid var(--line);border-radius:12px;background:#121318}.json-panel summary{cursor:pointer;padding:10px 14px;color:var(--muted)}.json-panel pre{margin:0;padding:0 14px 14px;max-height:240px;overflow:auto;font-size:12px;line-height:1.5;color:#d5dde6}@media(max-width:720px){.page{width:min(100% - 20px,1180px);padding-top:18px}.head h1{font-size:32px}.prompt{flex-direction:column;align-items:stretch}.prompt button,.chips button{width:auto}huafire3d-card{height:78vh;min-height:520px}}.upload{margin-top:18px;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#121318}.upload h2{margin:0 0 10px;font-size:14px;color:var(--muted);font-weight:600}.upload .hint{margin:8px 0 0;font-size:12px;color:var(--muted)}.upload-row{display:flex;gap:10px;flex-wrap:wrap}.upload-item{flex:1 1 180px;display:flex;flex-direction:column;gap:6px;border:1px dashed var(--line);border-radius:8px;padding:10px 12px;cursor:pointer;font-size:13px}.upload-item:hover{border-color:var(--accent)}.upload-item em{display:block;font-style:normal;font-size:11px;color:var(--muted)}.upload-item input{font-size:12px}.upload-list{margin:8px 0 0;padding:0;list-style:none;font-size:12px;color:var(--muted)}.upload-list li{margin:2px 0}.upload-list button{margin-left:8px;font-size:11px;background:none;border:1px solid var(--line);border-radius:6px;color:var(--muted);cursor:pointer;padding:1px 8px}