:root{--purple:#7354ef;--purple-dark:#5637d5;--soft:#f3f0ff;--ink:#222033;--muted:#777487;--line:#e5e2ec;--page:#faf9fd;--white:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink)}
*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--page)}button,input,select{font:inherit}button,a{cursor:pointer}.topbar{height:66px;display:flex;align-items:center;padding:0 max(20px,calc((100vw - 1180px)/2));border-bottom:1px solid var(--line);background:#fff}.brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-weight:850;text-decoration:none}.brand span{width:29px;height:29px;display:grid;place-items:center;border-radius:7px;background:var(--purple);color:#fff;font-size:13px}.topbar nav{display:flex;gap:20px;margin-left:auto}.topbar nav a{color:#656174;text-decoration:none;font-size:13px;font-weight:700}.topbar nav a:hover{color:var(--purple)}main{width:min(1180px,100%);margin:auto;padding:52px 20px 90px}.intro>p{margin:0 0 10px;color:var(--purple);font-size:13px;font-weight:850}.intro h1{max-width:760px;margin:0;font-size:clamp(34px,5vw,56px);line-height:1.08;letter-spacing:-.06em}.steps{display:flex;align-items:center;margin-top:34px;padding:18px 20px;border:1px solid var(--line);background:#fff;overflow:auto}.steps span{display:flex;align-items:center;gap:7px;color:#817d8d;font-size:12px;font-weight:750;white-space:nowrap}.steps b{width:23px;height:23px;display:grid;place-items:center;border-radius:5px;background:#f1eff5;color:#777386}.steps span.active{color:var(--purple)}.steps span.active b{background:var(--purple);color:#fff}.steps i{flex:1;min-width:20px;height:1px;margin:0 12px;background:var(--line)}.workspace{display:grid;grid-template-columns:minmax(340px,.82fr) minmax(520px,1.18fr);gap:20px;margin-top:20px}.photo-panel,.settings-panel{border:1px solid var(--line);background:#fff}.photo-panel{align-self:start;position:sticky;top:20px;padding:24px}.settings-panel{padding:0 25px}.panel-heading{display:flex;gap:12px;align-items:flex-start}.panel-heading>span{flex:0 0 auto;width:27px;height:27px;display:grid;place-items:center;border-radius:6px;background:var(--soft);color:var(--purple);font-size:12px;font-weight:850}.panel-heading h2{margin:1px 0 4px;font-size:18px;letter-spacing:-.03em}.panel-heading p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}.upload{min-height:350px;margin-top:22px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px dashed #cfc8e9;background:#fbfaff;color:var(--purple);text-align:center}.upload:hover{background:#f6f3ff}.upload input{display:none}.upload svg{width:35px;height:35px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.upload strong{margin-top:14px;font-size:16px}.upload small{margin-top:6px;color:var(--muted)}.photo-wrap{position:relative;margin-top:22px;overflow:hidden;background:#f0eef5;touch-action:none}.photo-wrap img{display:block;width:100%;height:auto;max-height:620px;object-fit:contain}.eye-box{position:absolute;left:20%;top:26%;width:60%;height:22%;border:2px solid var(--purple);background:rgba(115,84,239,.08);touch-action:none}.eye-box span{position:absolute;left:-2px;top:-26px;padding:4px 7px;border-radius:4px 4px 0 0;background:var(--purple);color:#fff;font-size:11px;font-weight:800}.eye-box button{position:absolute;right:-7px;bottom:-7px;width:18px;height:18px;border:2px solid #fff;border-radius:3px;background:var(--purple)}.photo-actions{display:flex;align-items:center;gap:12px;margin-top:12px}.photo-actions p{margin:0;color:var(--muted);font-size:12px;line-height:1.5}.quiet{flex:0 0 auto;padding:8px 11px;border:1px solid var(--line);border-radius:6px;background:#fff;color:#575365;font-weight:750}.setting-block{padding:25px 0;border-bottom:1px solid var(--line)}.setting-block:last-child{border-bottom:0}.issue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:18px}.issue-grid label input,.choice-row input{position:absolute;opacity:0;pointer-events:none}.issue-grid label span{min-height:43px;display:grid;place-items:center;padding:8px;border:1px solid var(--line);border-radius:6px;color:#504c5c;font-size:13px;font-weight:700;text-align:center}.issue-grid label input:checked+span{border-color:var(--purple);background:var(--soft);color:var(--purple)}.choice-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:18px}.choice-row label span{display:flex;flex-direction:column;padding:12px;border:1px solid var(--line);border-radius:6px;font-size:14px;font-weight:800}.choice-row label small{margin-top:4px;color:var(--muted);font-size:11px;font-weight:600}.choice-row input:checked+span{border-color:var(--purple);background:var(--soft);color:var(--purple)}.confirm,.permission{display:flex;gap:9px;align-items:flex-start;margin-top:17px;color:#4f4b5d;font-size:13px;line-height:1.5}.confirm input,.permission input{width:18px;height:18px;margin:1px 0 0;accent-color:var(--purple)}.line-field{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:18px}.line-field>span{font-size:13px;font-weight:750}.line-field select{min-width:235px;padding:9px 34px 9px 11px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink)}.cost-line{display:flex;justify-content:space-between;margin-top:14px;padding:11px 12px;border-radius:6px;background:#f7f6fa;color:var(--muted);font-size:12px}.cost-line strong{color:var(--purple)}.generate{width:100%;margin-top:19px;padding:14px;border:0;border-radius:7px;background:var(--purple);color:#fff;font-weight:850}.generate:hover{background:var(--purple-dark)}.generate:disabled{background:#bcb8c9;cursor:not-allowed}.tip{margin:9px 0 0;text-align:center;color:#9995a5;font-size:11px}.generation-state,.result{margin-top:20px;border:1px solid var(--line);background:#fff}.generation-state{display:flex;align-items:center;gap:16px;padding:26px}.generation-state h2{margin:0 0 5px;font-size:17px}.generation-state p{margin:0;color:var(--muted);font-size:13px}.spinner{width:30px;height:30px;border:3px solid #e8e4f7;border-top-color:var(--purple);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result{padding:25px}.result-head{display:flex;align-items:end;justify-content:space-between}.result-head p{margin:0 0 3px;color:var(--purple);font-size:12px;font-weight:850}.result-head h2{margin:0;font-size:24px}.result-head a{color:var(--purple);font-size:13px;font-weight:750}.compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}.compare figure{position:relative;margin:0;background:#f1eff5}.compare img{display:block;width:100%;aspect-ratio:1/1;object-fit:contain}.compare figcaption{position:absolute;left:8px;bottom:8px;padding:5px 8px;border-radius:4px;background:rgba(24,22,35,.8);color:#fff;font-size:11px}.result-actions{display:flex;gap:9px;margin-top:14px}.result-actions a,.result-actions button{padding:10px 14px;border:1px solid var(--purple);border-radius:6px;background:var(--purple);color:#fff;text-decoration:none;font-size:13px;font-weight:800}.result-actions button{background:#fff;color:var(--purple)}.toast{position:fixed;z-index:30;left:50%;bottom:30px;max-width:min(520px,calc(100% - 28px));padding:11px 16px;border-radius:6px;background:#2c283d;color:#fff;font-size:13px;opacity:0;pointer-events:none;transform:translate(-50%,12px);transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}
.photo-wrap img{max-height:none;object-fit:contain}
@media(max-width:850px){main{padding-top:34px}.workspace{grid-template-columns:1fr}.photo-panel{position:static}.settings-panel{padding-inline:20px}.issue-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.topbar{height:58px;padding:0 13px}.topbar nav{gap:12px}.topbar nav a:first-child{display:none}.topbar nav a{font-size:12px}main{padding:28px 12px 70px}.intro h1{font-size:34px}.steps{margin-top:24px;padding:13px 12px}.steps i{min-width:12px;margin-inline:7px}.steps span{font-size:0}.steps span b{font-size:12px}.photo-panel{padding:17px}.upload{min-height:280px}.settings-panel{padding-inline:16px}.setting-block{padding:21px 0}.issue-grid{grid-template-columns:repeat(2,1fr)}.choice-row{gap:6px}.choice-row label span{padding:10px 8px}.line-field{align-items:stretch;flex-direction:column;gap:7px}.line-field select{width:100%;min-width:0}.compare{grid-template-columns:1fr}.result{padding:17px}.result-head{align-items:flex-start;flex-direction:column;gap:8px}.result-actions>*{flex:1;text-align:center}.photo-actions{align-items:flex-start}}