:root{--bg:#f5ecdf;--bg-strong:#efe2d0;--ink:#18261f;--muted:#54635d;--line:#18261f24;--panel:#fffaf3d6;--panel-strong:#fffaf3f2;--accent:#0d8b77;--accent-strong:#065b50;--accent-warm:#ef8354;--shadow:0 30px 80px #2a302b24;--box-strong:#0d8b77;--box-mid:#ef8354;--box-soft:#cb4f57;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Avenir Next,Segoe UI Variable,PingFang SC,Noto Sans CJK SC,sans-serif;font-weight:500;line-height:1.5}*{box-sizing:border-box}html,body{background:radial-gradient(circle at top left, #ffffffeb, transparent 35%), radial-gradient(circle at 85% 15%, #0d8b7724, transparent 20%), linear-gradient(180deg, var(--bg), var(--bg-strong));min-height:100%;color:var(--ink);margin:0}body:before{content:"";pointer-events:none;background-image:linear-gradient(#18261f04 1px,#0000 1px),linear-gradient(90deg,#18261f04 1px,#0000 1px);background-size:24px 24px;position:fixed;inset:0;-webkit-mask-image:linear-gradient(#000000bf,#0000);mask-image:linear-gradient(#000000bf,#0000)}button,select,textarea{font:inherit}button{cursor:pointer;border:0}button:focus-visible,select:focus-visible,textarea:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.page-shell{width:min(1200px,100vw - 32px);margin:0 auto;padding:28px 0 56px}.hero{grid-template-columns:1.45fr .95fr;align-items:stretch;gap:22px;margin-bottom:22px;display:grid}.hero-copy{padding:28px 30px}.eyebrow,.panel-label{color:var(--accent-strong);text-transform:uppercase;letter-spacing:.12em;margin:0 0 10px;font-size:.78rem;font-weight:800}.hero h1{letter-spacing:-.05em;margin:0 0 14px;font-size:clamp(2.5rem,5vw,4.7rem);line-height:.96}.hero-text{max-width:56rem;color:var(--muted);margin:0;font-size:1.05rem}.hero-pills{flex-wrap:wrap;gap:10px;margin-top:22px;display:flex}.hero-pills span,.result-stats span{border:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff7a;border-radius:999px;align-items:center;padding:8px 12px;display:inline-flex}.panel{background:var(--panel);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid #fff9;border-radius:28px}.hero-status{background:radial-gradient(circle at 100% 0,#0d8b7733,#0000 36%),linear-gradient(160deg,#fffaf3f5,#f6eee3e0);padding:28px}.status-grid{grid-template-columns:1fr 1fr;gap:18px 14px;margin:18px 0 0;display:grid}.status-grid dt{color:var(--muted);margin-bottom:4px;font-size:.9rem}.status-grid dd{margin:0;font-weight:700}.workspace{grid-template-columns:360px 1fr;gap:22px;display:grid}.control-panel,.preview-panel,.result-panel{padding:24px}.preview-panel,.result-panel{min-width:0}.preview-panel{grid-column:2;min-height:420px}.result-panel{grid-column:1/-1}.section-head{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px;display:flex}.section-head h2{margin:0;font-size:1.4rem}.mini-note,.privacy-note{color:var(--muted);margin:0}.dropzone{text-align:center;background:linear-gradient(#fffc,#faf5eceb);border:1.5px dashed #0d8b7759;border-radius:22px;place-items:center;gap:8px;min-height:220px;padding:24px;transition:transform .18s,border-color .18s,background .18s;display:grid}.dropzone.drag-active{border-color:var(--accent);background:linear-gradient(#fffffff2,#e2f7f2eb);transform:translateY(-2px)scale(1.01)}.dropzone-title{font-size:1.2rem;font-weight:800}.dropzone-subtitle{color:var(--muted)}.toolbar{flex-wrap:wrap;gap:12px;margin-top:18px;display:flex}.action-toolbar{margin-top:14px}.field{flex:180px;gap:8px;display:grid}.field span{color:var(--muted);font-size:.94rem}.field select{border:1px solid var(--line);background:var(--panel-strong);border-radius:14px;width:100%;min-height:48px;padding:0 14px}.checkbox-field{border:1px solid var(--line);background:var(--panel-strong);border-radius:14px;align-items:center;gap:10px;min-height:48px;padding:0 12px;display:flex}.checkbox-field input{block-size:18px;inline-size:18px;accent-color:var(--accent)}.primary-button,.ghost-button{border-radius:16px;min-height:48px;padding:0 18px;font-weight:800;transition:transform .18s,opacity .18s,background .18s}.primary-button{color:#fff8f0;background:linear-gradient(135deg, var(--accent), var(--accent-strong))}.ghost-button{border:1px solid var(--line);background:var(--panel-strong);color:var(--ink)}.primary-button:hover,.ghost-button:hover{transform:translateY(-1px)}.primary-button:disabled,.ghost-button:disabled{cursor:not-allowed;opacity:.5;transform:none}.progress-card{border:1px solid var(--line);background:#ffffff8c;border-radius:18px;margin-top:18px;padding:14px 16px}.progress-meta{justify-content:space-between;gap:12px;margin-bottom:10px;display:flex}.progress-track{background:#18261f17;border-radius:999px;height:10px;overflow:hidden}.progress-bar{border-radius:inherit;background:linear-gradient(90deg, var(--accent), var(--accent-warm));width:0%;height:100%;transition:width .18s}.privacy-note{margin-top:16px;font-size:.94rem}.preview-frame{border:1px solid var(--line);background:radial-gradient(circle,#0d8b7714,#0000 45%),linear-gradient(#ffffffdb,#f5efe8eb);border-radius:22px;place-items:center;min-height:380px;display:grid;position:relative;overflow:hidden}.preview-frame.empty{border-style:dashed}.preview-image,#preview-image{max-width:100%;max-height:72vh;display:block}.preview-placeholder{color:var(--muted);font-size:1rem}#boxes-layer{pointer-events:none;block-size:100%;inline-size:100%;display:block;position:absolute;inset:0}.line-polygon{stroke-width:2px;stroke-linejoin:round;vector-effect:non-scaling-stroke}.result-stats{flex-wrap:wrap;gap:8px;display:flex}#result-text{border:1px solid var(--line);width:100%;min-height:280px;color:var(--ink);resize:vertical;background:#ffffffb3;border-radius:22px;padding:18px}@media (width<=960px){.page-shell{width:min(100vw - 20px,1200px);padding-top:10px}.hero,.workspace{grid-template-columns:1fr}.preview-panel,.result-panel{grid-column:auto}.hero-copy,.hero-status{padding:22px}.hero h1{font-size:clamp(2.2rem,10vw,3.4rem)}.status-grid{grid-template-columns:1fr}.section-head{flex-direction:column}}.lang-bar{align-items:center;gap:8px;margin-bottom:14px;display:flex}.lang-label{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:.85rem;font-weight:700}.lang-btn{border:1px solid var(--line);background:var(--panel-strong);color:var(--ink);cursor:pointer;border-radius:8px;padding:4px 10px;font-size:.85rem;font-weight:700;transition:background .18s,border-color .18s}.lang-btn[aria-pressed=true]{background:linear-gradient(135deg, var(--accent), var(--accent-strong));color:#fff8f0;border-color:#0000}.lang-btn:hover{border-color:var(--accent)}.lang-divider{color:var(--line);-webkit-user-select:none;user-select:none}