:root{--ink: #111318;--muted: #5b6472;--line: #e4e7ec;--bg: #ffffff;--panel: #f6f7f9;--accent: #2563eb;--accent-ink: #ffffff;--ok: #16a34a;--ok-bg: #ecfdf3;--err: #dc2626;--err-bg: #fef2f2;--radius: 12px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,Noto Sans SC,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}.wrap{max-width:960px;margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid var(--line)}.site-header .wrap{display:flex;align-items:center;gap:18px;min-height:58px;flex-wrap:wrap}.logo{display:flex;align-items:center;gap:8px;font-weight:750;font-size:17px;color:var(--ink);text-decoration:none;letter-spacing:.2px}.logo .bar{display:inline-block;width:22px;height:10px;background:var(--ink);border-radius:2px}.site-nav{display:flex;gap:2px;flex-wrap:wrap}.site-nav a{color:var(--muted);text-decoration:none;font-size:13.5px;padding:6px 9px;border-radius:8px}.site-nav a:hover{background:var(--panel);color:var(--ink)}.site-nav a.active{color:var(--accent);font-weight:600}.header-right{margin-left:auto;display:flex;align-items:center;gap:10px}.lang-btn{font:inherit;font-size:12.5px;border:1px solid var(--line);background:none;border-radius:8px;padding:4px 10px;cursor:pointer;color:var(--muted)}.lang-btn:hover{border-color:var(--accent);color:var(--accent)}.privacy-badge{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--ok);background:var(--ok-bg);border:1px solid #c6f0d4;border-radius:999px;padding:4px 12px}.privacy-badge:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok)}.page-head{margin:34px 0 10px}.page-head h1{margin:0 0 6px;font-size:26px;letter-spacing:.2px}.page-head .sub{color:var(--muted);font-size:14.5px;max-width:640px;margin:0 0 12px}main.wrap{padding-bottom:80px}button.btn,label.btn{font:inherit;font-size:14px;padding:9px 16px;border-radius:9px;border:1px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer;transition:border-color .15s,background .15s;display:inline-flex;align-items:center;gap:7px}button.btn:hover,label.btn:hover{border-color:var(--accent);color:var(--accent)}button.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}button.btn.primary:hover{filter:brightness(1.06);color:var(--accent-ink)}button.btn:disabled{opacity:.45;cursor:not-allowed;pointer-events:none}.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:16px 0}.field{display:flex;flex-direction:column;gap:4px;font-size:12.5px;color:var(--muted)}input[type=text],select{font:inherit;font-size:14px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;min-width:160px}input[type=text]:focus,select:focus{outline:2px solid #bfd3f9;border-color:var(--accent)}.dropzone{border:2px dashed var(--line);border-radius:var(--radius);background:var(--panel);color:var(--muted);padding:44px 20px;text-align:center;font-size:14.5px;cursor:pointer;transition:border-color .15s,background .15s;margin:18px 0}.dropzone:hover,.dropzone.drag{border-color:var(--accent);color:var(--accent);background:#eef3fe}.status{font-size:13.5px;color:var(--muted);min-height:22px;margin:10px 0}.status.ok{color:var(--ok)}.status.err{color:var(--err)}.progress{height:8px;border-radius:6px;background:var(--panel);overflow:hidden;margin:8px 0;display:none}.progress>span{display:block;height:100%;width:0;background:var(--accent);transition:width .15s}.card{border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;background:var(--bg)}.filelist{list-style:none;margin:14px 0;padding:0;display:flex;flex-direction:column;gap:8px}.filelist li{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:9px;padding:9px 14px;background:var(--bg);cursor:grab;font-size:14px}.filelist li.dragging{opacity:.4}.filelist li .meta{color:var(--muted);font-size:12.5px}.filelist li .grow{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.filelist li button{border:none;background:none;cursor:pointer;color:var(--muted);font-size:14px;padding:3px 6px;border-radius:6px}.filelist li button:hover{color:var(--err);background:var(--err-bg)}.pages{display:flex;flex-direction:column;align-items:center;gap:22px;margin:20px 0}.pageWrap{position:relative;box-shadow:0 2px 14px #1113181f;border-radius:4px;overflow:hidden;background:#fff;max-width:100%}.pageWrap canvas{display:block;cursor:crosshair;max-width:100%;height:auto}.pageWrap .pageNum{position:absolute;top:8px;left:8px;background:#11131899;color:#fff;font-size:11px;padding:2px 8px;border-radius:6px;pointer-events:none}.pageWrap .overlay{position:absolute;inset:0}.rectbox{position:absolute;background:#000}.candbox{position:absolute;background:#dc262640;outline:1.5px solid var(--err)}.dragbox{position:absolute;background:#00000073;outline:1.5px dashed #000}.thumbgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:14px;margin:18px 0}.thumb{border:1px solid var(--line);border-radius:10px;padding:8px;background:var(--bg);cursor:grab;position:relative;text-align:center}.thumb.dragging{opacity:.4}.thumb.deleted{opacity:.35}.thumb.deleted:after{content:"✕";position:absolute;inset:0;display:grid;place-items:center;font-size:34px;color:var(--err)}.thumb canvas{max-width:100%;height:auto;border:1px solid var(--line);background:#fff}.thumb .idx{font-size:11.5px;color:var(--muted);margin-top:4px}.thumb .ops{display:flex;justify-content:center;gap:4px;margin-top:4px}.thumb .ops button{border:1px solid var(--line);background:none;border-radius:6px;font-size:12px;padding:2px 7px;cursor:pointer;color:var(--muted)}.thumb .ops button:hover{color:var(--accent);border-color:var(--accent)}.redact-layout{display:grid;grid-template-columns:1fr 260px;gap:20px;align-items:start}@media(max-width:860px){.redact-layout{grid-template-columns:1fr}}.candidates{position:sticky;top:14px;max-height:80vh;overflow:auto;font-size:13px}.candidates h3{margin:0 0 8px;font-size:14px}.candidates label{display:flex;gap:8px;align-items:baseline;padding:5px 4px;border-radius:6px;cursor:pointer}.candidates label:hover{background:var(--panel)}.candidates .kind{color:var(--accent);font-weight:600;white-space:nowrap}.candidates .val{color:var(--muted);word-break:break-all}.report{border:1px solid #c6f0d4;background:var(--ok-bg);border-radius:var(--radius);padding:16px 20px;margin:18px 0;font-size:14px;display:none}.report.bad{border-color:#f5c2c2;background:var(--err-bg)}.report ul{margin:8px 0 0;padding-left:2px;list-style:none}.report li{margin:3px 0}.report li:before{content:"✓ ";color:var(--ok);font-weight:700}.report li.bad:before{content:"✗ ";color:var(--err)}.report .note{color:var(--muted);font-size:12.5px;margin-top:10px}.bars{display:flex;flex-direction:column;gap:10px;margin-top:14px}.barrow{display:grid;grid-template-columns:80px 1fr 110px;align-items:center;gap:12px;font-size:13.5px}.bar{height:20px;border-radius:6px;background:var(--panel);overflow:hidden}.bar>span{display:block;height:100%;border-radius:6px;background:#98a2b3}.bar.after>span{background:var(--accent)}.big{font-size:24px;font-weight:700;color:var(--ok);margin-top:8px}.hero{text-align:center;padding:64px 0 40px}.hero h1{font-size:42px;margin:0 0 14px;letter-spacing:.3px}.hero .sub{color:var(--muted);font-size:17px;max-width:620px;margin:0 auto 26px}.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:40px 0}@media(max-width:700px){.pillars{grid-template-columns:1fr}}.pillars .card h3{margin:0 0 6px;font-size:16px}.pillars .card p{margin:0;color:var(--muted);font-size:13.5px}.toolgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;margin:18px 0 40px}.toolgrid a.card{display:block;text-decoration:none;color:var(--ink);transition:border-color .15s}.toolgrid a.card:hover{border-color:var(--accent)}.toolgrid a.card h3{margin:0 0 4px;font-size:15.5px}.toolgrid a.card p{margin:0;color:var(--muted);font-size:13px}.edu{background:var(--ink);color:#eceef2;border-radius:var(--radius);padding:34px;margin:40px 0}.edu h2{margin:0 0 14px;font-size:24px}.edu h2 .bar{display:inline-block;width:60px;height:14px;background:#eceef2;border-radius:3px;margin-right:10px}.edu p{color:#b9c0cc;max-width:720px}.faq{margin:40px 0}.faq h2{font-size:22px}.faq details{border-bottom:1px solid var(--line);padding:12px 0}.faq summary{cursor:pointer;font-weight:600;font-size:15px}.faq p{color:var(--muted);font-size:14px}.article{max-width:720px;margin:40px auto 60px;font-size:15.5px}.article h1{font-size:30px;line-height:1.3;margin:0 0 14px}.article .lede{font-size:17px;color:var(--muted)}.article h2{font-size:20px;margin:34px 0 10px}.article ol,.article ul{padding-left:22px}.article li{margin:6px 0}.article a{color:var(--accent)}.site-footer{border-top:1px solid var(--line);margin-top:40px}.site-footer .wrap{padding:22px 20px;color:var(--muted);font-size:12.5px;display:flex;flex-direction:column;gap:4px}
