:root{--bg: #fff8ee;--card: #ffffff;--ink: #3b2a20;--muted: #7a6a5e;--line: #eadfce;--brand: #12a39a;--brand-dark: #0b7a73;--brand-soft: #e3f5f3;--danger: #c0392b;--radius: 16px;font-family:system-ui,-apple-system,Segoe UI,Noto Sans TC,Hiragino Sans,Microsoft JhengHei,sans-serif;color:var(--ink);background:var(--bg);accent-color:var(--brand)}*{box-sizing:border-box}body{margin:0;background:var(--bg);line-height:1.6}a{color:var(--brand-dark)}main{max-width:960px;margin:0 auto;padding:0 16px 48px}.top{max-width:960px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand img{display:block;height:48px;width:auto}.langs{position:relative}.langs summary{list-style:none;cursor:pointer;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--card);font-size:14px}.langs summary::-webkit-details-marker{display:none}.langs ul{position:absolute;right:0;top:110%;margin:0;padding:6px;list-style:none;background:var(--card);border:1px solid var(--line);border-radius:12px;z-index:10;min-width:140px}.langs a{display:block;padding:6px 10px;border-radius:8px;text-decoration:none;color:var(--ink)}.langs a:hover,.langs a[aria-current]{background:var(--brand-soft)}.hero{text-align:center;padding:24px 0 8px}.hero h1{font-size:clamp(24px,4vw,34px);margin:0 0 6px}.hero p{color:var(--muted);margin:0}.cat h2{font-size:18px;margin:28px 0 10px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}.ico{display:inline-flex;align-items:center;justify-content:center;flex:none;border-radius:28%;background:var(--ico-bg);color:var(--ico-fg)}.ico svg{width:66%;height:66%}.chips{position:sticky;top:0;z-index:5;display:flex;gap:8px;overflow-x:auto;padding:10px 0;margin-top:12px;background:var(--bg);scrollbar-width:none}.chips a{flex:none;padding:8px 14px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:15px;font-weight:600}.chips a small{color:var(--muted);font-weight:400;margin-left:2px}.chips a:hover{border-color:var(--brand)}.cat{scroll-margin-top:64px}.tile{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}.tile:hover{border-color:var(--brand);transform:translateY(-2px)}.tile b{display:block;font-size:16px}.tile div span{display:block;font-size:13px;color:var(--muted);margin-top:2px}.tool-head{text-align:center;padding:16px 0 12px}.tool-head .ico{margin-bottom:6px}.bookmark{text-align:center;font-size:14px;color:var(--muted);margin:10px 0 0}.results-bookmark{text-align:center;margin:14px 0 0;padding:10px 14px;border-radius:12px;background:#fff3c4;color:#6b4e00;font-size:15px}.emoji-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(48px,1fr));gap:4px;margin-top:10px}.emoji-grid button{font-size:30px;line-height:1;padding:8px 0;border:0;border-radius:10px;background:transparent;cursor:pointer}.emoji-grid button:hover{background:var(--brand-soft)}.emoji-group{font-size:16px;margin:18px 0 4px}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:16px;z-index:50}.tool-head h1{font-size:clamp(24px,4vw,32px);margin:0 0 4px}.tool-head p{margin:0;color:var(--muted)}.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:200px;border:2px dashed var(--brand);border-radius:var(--radius);background:var(--brand-soft);cursor:pointer;text-align:center;padding:20px}.drop.over{background:#cdeeea}.drop small{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 22px;border:0;border-radius:999px;background:var(--brand);color:#fff;font-size:16px;font-weight:600;cursor:pointer;text-decoration:none}.btn:hover{background:var(--brand-dark)}.btn:disabled{opacity:.5;cursor:default}.btn.ghost{background:transparent;color:var(--brand-dark);border:1px solid var(--brand)}.btn.small{padding:6px 12px;font-size:14px;font-weight:500}.btn.big{padding:20px 44px;font-size:22px;min-width:min(100%,360px);box-shadow:0 6px 0 var(--brand-dark)}.btn.big:active{transform:translateY(3px);box-shadow:0 3px 0 var(--brand-dark)}.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:16px}.center{justify-content:center}.files{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px}.files li{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:12px;font-size:14px}.files li .name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.files li .meta{color:var(--muted);font-size:13px;white-space:nowrap}.files li img{width:40px;height:40px;object-fit:cover;border-radius:8px}.icon-btn{border:1px solid var(--line);background:var(--card);border-radius:8px;width:30px;height:30px;cursor:pointer;font-size:14px;color:var(--ink)}.opts{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:16px}.opts label{display:inline-flex;align-items:center;gap:6px;font-size:15px}.opts input[type=text],.opts input[type=number],.opts select{padding:8px 10px;border:1px solid var(--line);border-radius:10px;font-size:15px;background:#fff;color:var(--ink)}.opts input[type=number]{width:110px}textarea{width:100%;min-height:220px;padding:12px;border:1px solid var(--line);border-radius:12px;font:inherit;font-size:16px;resize:vertical;color:var(--ink)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-top:14px}.stat{background:var(--brand-soft);border-radius:12px;padding:10px;text-align:center}.stat b{display:block;font-size:24px}.stat span{font-size:13px;color:var(--muted)}.msg{margin-top:12px;font-size:14px}.msg.err{color:var(--danger)}.ok{color:var(--brand-dark);font-weight:600}.pages{width:100%;display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.page-card{border:1px solid var(--line);border-radius:12px;padding:8px;text-align:center;background:#fff}.page-card .thumb{height:140px;display:flex;align-items:center;justify-content:center;overflow:hidden}.page-card img{max-width:100%;max-height:130px;box-shadow:0 1px 4px #00000026;transition:transform .2s}.page-actions{display:flex;justify-content:center;gap:4px;margin-top:6px}.sign-box{width:100%;display:grid;gap:6px;justify-items:start}.sign-pad{width:100%;max-width:600px;aspect-ratio:3 / 1;border:2px dashed var(--line);border-radius:12px;background:#fff;touch-action:none;cursor:crosshair}.stamp-grid{width:100%;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px 16px;align-items:center}.stamp-grid input[type=range]{flex:1}.stamp-grid input[type=color]{width:44px;height:32px;border:1px solid var(--line);border-radius:8px;padding:2px;background:#fff}.pos-field{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:15px}.pos-grid{display:grid;grid-template-columns:repeat(3,26px);gap:4px;padding:4px;border:1px solid var(--line);border-radius:8px;background:#fff}.pos-grid button{width:26px;height:26px;border:1px solid var(--line);border-radius:6px;background:var(--bg);cursor:pointer}.pos-grid button.on,.pos-field .btn.on{background:var(--brand);border-color:var(--brand);color:#fff}.stamp-preview-box{width:100%;display:grid;justify-items:center;gap:4px}.stamp-preview{max-width:100%;max-height:420px;border:1px solid var(--line);border-radius:8px;box-shadow:0 2px 8px #00000014}.calc-form{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px 16px}.calc-form label{display:grid;gap:4px;font-size:15px}.calc-form input,.calc-form select{padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:18px;background:#fff;color:var(--ink)}.calc-out{margin-top:16px;display:grid;gap:8px}.calc-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 16px;border-radius:12px;background:var(--brand-soft)}.calc-row b{font-size:22px;text-align:right;word-break:break-all}.mono{font-family:ui-monospace,Cascadia Mono,Consolas,monospace}.qr{display:flex;justify-content:center;margin-top:16px}.qr canvas{border-radius:12px;background:#fff}.info{margin-top:36px;display:grid;gap:24px}.info h2{font-size:20px;margin:0 0 8px}.info ol{margin:0;padding-left:22px}.info dt{font-weight:600;margin-top:10px}.info dd{margin:2px 0 0;color:var(--muted)}.more .grid{margin-top:8px}.foot{max-width:960px;margin:0 auto;padding:24px 16px 40px;border-top:1px solid var(--line);text-align:center;font-size:14px;color:var(--muted)}.foot nav{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin:8px 0}.foot .badge{margin:0}.prose{max-width:720px;margin:0 auto}.tones{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}.tones button{font-size:22px;padding:4px 8px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}.tones button.on{border-color:var(--brand);background:var(--brand-soft)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media(max-width:640px){.two-col{grid-template-columns:1fr}}.diff{margin-top:10px;border:1px solid var(--line);border-radius:12px;padding:8px;font-size:14px;white-space:pre-wrap;max-height:480px;overflow:auto;background:#fff}.diff .add{background:#e2f6e7;color:#1d6b34}.diff .del{background:#fde6e3;color:#a3271a}.swatch{height:64px;border-radius:12px;margin-top:12px;border:1px solid var(--line)}.password{margin-top:16px;padding:18px;border-radius:12px;background:var(--brand-soft);font-size:24px;text-align:center;word-break:break-all}.palette{display:flex;flex-wrap:wrap;gap:8px}.palette .chip{border:0;border-radius:10px;padding:26px 12px 6px;min-width:96px;background:linear-gradient(var(--c) 70%,#fff 70%);font:600 13px ui-monospace,monospace;cursor:pointer;box-shadow:0 0 0 1px var(--line)}.pick-canvas{max-width:100%;margin-top:12px;border-radius:12px;cursor:crosshair}.winners{display:grid;gap:8px;margin-top:14px}.winner{padding:14px 18px;border-radius:12px;background:#fff3c4;font-size:22px;font-weight:700}.winner small{color:var(--muted);margin-right:10px;font-size:14px}.clock{font-size:clamp(40px,11vw,88px);text-align:center;margin:18px 0 8px;font-variant-numeric:tabular-nums}.laps{max-width:320px;margin:12px auto 0;font-size:18px}