:root{--ink:#392f42;--muted:#8b8390;--accent:#775887;--line:#e6dfe7}*{box-sizing:border-box}body{margin:0;background:#f6f3f1;color:var(--ink);font:15px/1.6 system-ui,'Microsoft YaHei',sans-serif}header{display:flex;justify-content:space-between;align-items:center;max-width:1320px;margin:auto;padding:24px 38px;border-bottom:1px solid var(--line)}a{color:inherit;text-decoration:none}.brand{font-size:24px;font-weight:600}.brand small{font-size:10px;letter-spacing:2px;margin-left:15px;color:var(--muted)}#service{font-size:11px;padding:5px 11px;background:#ebe5ed;border-radius:30px;color:var(--accent)}main{max-width:1240px;margin:auto;padding:34px}.intro{margin:8px 0 32px}.intro>small{font-size:10px;letter-spacing:3px;color:#9b859f}h1{font-size:36px;margin:10px 0 14px;font-weight:600}p{color:var(--muted)}.intro p{margin:0}.workbench{display:grid;grid-template-columns:1.1fr 1fr;gap:26px}section{background:white;border:1px solid var(--line);border-radius:20px;padding:26px}.photos{display:grid;grid-template-columns:1fr 1fr;gap:15px}h3{font-size:13px;font-weight:500;margin:0 0 15px;display:flex;justify-content:space-between}h3 small{color:var(--muted);font-size:11px}.drop{height:240px;display:flex;align-items:center;justify-content:center;background:#faf7fa;border:1px dashed #c7b9ce;border-radius:14px;overflow:hidden;position:relative;cursor:pointer}.drop:hover,.drop.dragover{background:#f0e7f3}.drop input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.drop img{width:100%;height:100%;object-fit:contain}.drop span{text-align:center;font-size:35px;color:#a38aaf;pointer-events:none}.drop b{font-size:13px;display:block;color:var(--ink);font-weight:500;margin-top:10px}.drop small{font-size:10px;color:var(--muted);display:block;margin-top:3px}.hint{font-size:10px;line-height:1.8;margin:13px 0 18px}.options{display:grid;grid-template-columns:1.4fr 1fr;gap:13px}label{display:block;font-size:12px;color:#74677c;margin:9px 0 5px}select,textarea{font:inherit;font-size:12px;border:1px solid var(--line);border-radius:10px;padding:11px 10px;width:100%;color:var(--ink);background:white}textarea{height:75px;resize:vertical}button{font:inherit;cursor:pointer;background:white;color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:10px 14px}button:disabled{opacity:.5;cursor:not-allowed}.primary{background:var(--ink);color:white;border-color:var(--ink)}#generate{width:100%;font-size:16px;padding:15px;margin-top:19px}.link{border:0;padding:0;color:var(--accent);font-size:11px}.muted{font-size:10px;color:var(--muted);margin-left:10px}.result-stage{min-height:485px;display:flex;align-items:center;justify-content:center;background:#f3eef4;border-radius:14px;overflow:hidden}.result-stage>div{text-align:center;padding:25px}.spark{font-size:60px;color:#baa2c4}h2{font-size:18px;font-weight:500}.result-stage p{font-size:13px}.result-stage small{font-size:11px;color:var(--muted)}.result-stage img{width:100%;max-height:650px;object-fit:contain;display:block}#actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}.toggle{display:flex;background:#f1edf3;padding:4px;border-radius:10px}.toggle button{background:transparent;border:0;font-size:11px;padding:7px 11px}.toggle .active{background:white}#download{font-size:12px}.spinner{width:40px;height:40px;border:3px solid #d8cbdc;border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}footer{max-width:1240px;margin:auto;padding:20px 34px 35px;font-size:11px;color:var(--muted);display:flex;justify-content:space-between}[hidden]{display:none!important}#toast{position:fixed;left:50%;bottom:25px;transform:translateX(-50%);background:var(--ink);color:white;padding:10px 20px;border-radius:10px;display:none;font-size:13px}button:focus-visible,select:focus-visible,textarea:focus-visible,.drop:focus-within{outline:3px solid #c4accf;outline-offset:2px}@media(max-width:850px){.workbench{grid-template-columns:1fr}.result-stage{min-height:330px}h1{font-size:30px}}@media(max-width:500px){header{padding:18px}.brand small{display:none}main{padding:24px 16px}.intro{margin-bottom:24px}h1{font-size:29px}.intro p{font-size:12px}section{padding:18px}.photos{gap:10px}.drop{height:200px}h3{font-size:11px}.drop b{font-size:12px}.drop small{font-size:9px}.options{gap:9px}select{font-size:11px;padding:10px 6px}#actions{flex-wrap:wrap}footer{padding:0 18px 24px}}
#maskCanvas{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;touch-action:none;cursor:crosshair}#maskPanel{margin-top:12px;border:1px solid #d0e8db;background:#f4faf7;border-radius:12px;padding:12px}.mask-tools{display:flex;gap:7px;flex-wrap:wrap}.mask-tools button{font-size:10px;padding:6px 8px}#maskPanel p{margin:6px 0}
#advancedMask{margin-top:13px}#advancedMask summary{font-size:11px;color:var(--muted);cursor:pointer;padding:6px 0}
.options{grid-template-columns:1fr}