:root{--ink:#0f172a;--muted:#64748b;--line:#dbe3eb;--paper:#fff;--wash:#edf3f7;--blue:#155eef;--blue-dark:#104bc0;--mint:#2dd4bf}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--wash);color:var(--ink);font-family:"Segoe UI","Microsoft YaHei",sans-serif}.shell{width:min(1280px,calc(100% - 28px));margin:0 auto;padding:22px 0}.masthead{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:15px}.eyebrow{margin:0 0 5px;color:var(--blue);font:700 10px/1.2 ui-monospace,Consolas,monospace;letter-spacing:.16em}.masthead h1{margin:0;font-size:clamp(24px,3vw,34px);line-height:1.1;letter-spacing:-.035em}.masthead p:last-child{margin:7px 0 0;color:var(--muted);font-size:13px}.privacy-badge{display:flex;align-items:center;gap:8px;white-space:nowrap;border:1px solid #b9e8df;border-radius:999px;background:#effcf9;padding:8px 12px;color:#087d6a;font-size:11px;font-weight:700}.privacy-badge span,.status i{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(45,212,191,.14)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 440px;align-items:start;gap:14px}.controls,.preview-panel{border:1px solid var(--line);border-radius:18px;background:var(--paper);box-shadow:0 15px 42px rgba(15,23,42,.07)}.controls{padding:0 24px}.setting-section{padding:22px 0;border-bottom:1px solid var(--line)}.setting-section:last-of-type{border-bottom:0}.setting-section h2{display:flex;align-items:center;gap:8px;margin:0 0 17px;font-size:15px}.setting-section h2>span{display:grid;width:22px;height:22px;place-items:center;border-radius:7px;background:#eaf0ff;color:var(--blue);font:700 11px ui-monospace,Consolas,monospace}.section-title,.label-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.section-title h2{margin-bottom:0}.label-row{font-size:12px;font-weight:700}.label-row output,.sliders output{float:right;color:var(--muted);font:500 10px ui-monospace,Consolas,monospace}label,.group-label{font-size:12px;font-weight:700}textarea,input[type="text"],select{width:100%;border:1px solid #cbd5e1;border-radius:9px;background:#fbfdff;color:var(--ink);font:500 13px/1.55 inherit;outline:none}textarea{min-height:94px;margin-top:8px;padding:10px 12px;resize:vertical}input[type="text"]{height:40px;margin-top:7px;padding:0 11px}select{height:40px;margin-top:7px;padding:0 10px}textarea:focus,input[type="text"]:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(21,94,239,.1)}.quick-values{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.quick-values button,.swap{border:1px solid var(--line);border-radius:7px;background:#fff;color:#526174;cursor:pointer;font:600 10px inherit}.quick-values button{padding:5px 9px}.quick-values button:hover,.swap:hover{border-color:#9bb8ff;color:var(--blue);background:#f3f7ff}.grid{display:grid;gap:14px}.grid.two{grid-template-columns:1fr 1fr}.grid.three{grid-template-columns:repeat(3,1fr)}.compact{margin-top:16px}.color-row{display:flex;align-items:center;gap:6px;margin-top:7px}.color-input{display:flex;height:40px;flex:1;align-items:center;gap:7px;border:1px solid #cbd5e1;border-radius:9px;padding:0 8px;color:#526174;font-size:11px;cursor:pointer}.color-input input,.standalone-color{width:22px;height:22px;border:0;background:transparent;padding:0;cursor:pointer}.swap{width:40px;height:40px;font-size:18px}.background-options{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.background-options input{position:absolute;opacity:0}.background-options label>span{display:flex;align-items:center;gap:8px;min-height:48px;border:1px solid var(--line);border-radius:10px;padding:7px 9px;color:#526174;cursor:pointer}.background-options input:checked+span{border-color:var(--blue);background:#f1f5ff;box-shadow:inset 0 0 0 1px var(--blue);color:var(--ink)}.swatch{display:grid;width:29px;height:29px;place-items:center;flex:none;border:1px solid var(--line);border-radius:7px;font-style:normal}.swatch.white{background:#fff}.swatch.woliu{background:#dbe7eb;color:#77b944}.swatch.custom{background:#f1f5f9;color:var(--blue)}.file-picker{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px;border:1px dashed #9fb2c5;border-radius:9px;padding:9px 11px;color:var(--blue);cursor:pointer}.file-picker input{position:absolute;width:1px;height:1px;opacity:0}.file-picker span{overflow:hidden;color:var(--muted);font-size:10px;text-overflow:ellipsis;white-space:nowrap}.sliders{margin-top:17px}.sliders label{min-width:0}.sliders input[type="range"]{display:block;width:100%;margin:10px 0 0;accent-color:var(--blue)}.switch{display:flex;align-items:center;gap:7px;cursor:pointer}.switch input{position:absolute;opacity:0}.switch i{position:relative;width:34px;height:20px;border-radius:999px;background:#cbd5e1}.switch i:after{content:"";position:absolute;top:3px;left:3px;width:14px;height:14px;border-radius:50%;background:#fff;transition:.15s}.switch input:checked+i{background:var(--blue)}.switch input:checked+i:after{transform:translateX(14px)}.switch b{font-size:11px}.disabled-area{display:grid;gap:14px;margin-top:17px;transition:.15s}.disabled-area[aria-disabled="true"]{opacity:.42;pointer-events:none}.standalone-color{display:block;width:100%;height:40px;margin-top:7px;border:1px solid #cbd5e1;border-radius:9px}.error{min-height:17px;margin:0;padding:0 0 12px;color:#dc2626;font-size:11px}.preview-panel{position:sticky;top:14px;padding:22px;background-color:#f7fafc;background-image:linear-gradient(45deg,rgba(15,23,42,.022) 25%,transparent 25%),linear-gradient(-45deg,rgba(15,23,42,.022) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,rgba(15,23,42,.022) 75%),linear-gradient(-45deg,transparent 75%,rgba(15,23,42,.022) 75%);background-position:0 0,0 8px,8px -8px,-8px 0;background-size:16px 16px}.preview-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.preview-heading div{display:flex;flex-direction:column;gap:3px}.preview-heading span{color:var(--blue);font:700 9px ui-monospace,Consolas,monospace;letter-spacing:.13em}.preview-heading strong{font-size:16px}.preview-heading .status{display:flex;align-items:center;gap:7px;color:#087d6a;letter-spacing:0}.status.invalid{color:#b91c1c}.status.invalid i{background:#ef4444;box-shadow:0 0 0 4px rgba(239,68,68,.12)}.canvas-stage{display:grid;place-items:center;aspect-ratio:1;margin:18px auto 12px;width:100%;overflow:hidden;border:1px solid var(--line);border-radius:13px;background:#fff;box-shadow:0 10px 28px rgba(15,23,42,.08)}canvas{display:block;width:100%;height:100%;object-fit:contain}.hint{margin:0;text-align:center;color:var(--muted);font-size:10px}.actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:17px}.actions button{height:42px;border-radius:9px;cursor:pointer;font:700 12px inherit}.primary{border:1px solid var(--blue);background:var(--blue);color:#fff}.primary:hover{background:var(--blue-dark)}.secondary{border:1px solid #cbd5e1;background:#fff;color:var(--ink)}.secondary:hover{border-color:#9bb8ff;color:var(--blue)}button:focus-visible,input:focus-visible{outline:3px solid rgba(21,94,239,.25);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.45}footer{display:flex;justify-content:space-between;gap:20px;padding:13px 4px 0;color:#718096;font-size:10px}.toast{position:fixed;left:50%;bottom:28px;z-index:10;transform:translate(-50%,20px);border-radius:9px;background:var(--ink);padding:10px 15px;color:#fff;font-size:11px;opacity:0;pointer-events:none;transition:.2s}.toast.show{transform:translate(-50%,0);opacity:1}@media(max-width:920px){.workspace{grid-template-columns:1fr}.preview-panel{position:static;max-width:620px;width:100%;margin:auto}.masthead{align-items:flex-start}.grid.three{grid-template-columns:1fr 1fr}}@media(max-width:560px){.shell{width:min(100% - 16px,520px);padding-top:14px}.masthead{align-items:flex-start;flex-direction:column;gap:10px}.masthead h1{font-size:24px}.workspace{gap:9px}.controls{padding:0 17px}.setting-section{padding:19px 0}.grid.two,.grid.three,.background-options{grid-template-columns:1fr}.preview-panel{padding:17px}.actions{grid-template-columns:1fr}footer{flex-direction:column;gap:4px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}