:root{color-scheme:light;--ink:#092839;--muted:#5e707c;--line:#d5e0e6;--blue:#116d86;--aqua:#74e4ed}
*{box-sizing:border-box}body{margin:0;background:#f0f5f7;color:var(--ink);font:16px/1.65 "PingFang SC","Microsoft YaHei",sans-serif}button,input{font:inherit}a{color:inherit}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px max(24px,calc((100vw - 1140px)/2));color:#e4f8fc;background:linear-gradient(120deg,#031722,#0b364b)}.topbar a{text-decoration:none;letter-spacing:.12em}.topbar span{font-size:14px;letter-spacing:.05em;margin-left:10px;color:var(--aqua)}.topbar .back{font-size:14px;letter-spacing:0}main{max-width:1140px;margin:44px auto;padding:0 24px}.eyebrow{font-size:12px;letter-spacing:.26em;color:var(--blue);margin:0}h1{font-size:34px;line-height:1.3;margin:12px 0}h2{font-size:22px;margin:0 0 8px}.intro>p:last-child{color:var(--muted);margin:0 0 24px}.panel{border:1px solid var(--line);border-radius:18px;padding:26px;background:white}.auth-panel{max-width:540px}.muted{font-size:14px;color:var(--muted);margin:0 0 18px}label{display:block;font-size:14px;font-weight:600}input:not([type=checkbox]){display:block;width:100%;padding:11px 13px;border:1px solid #c9d6de;border-radius:8px;margin:6px 0 16px;color:var(--ink);background:#fbfdfe;min-width:0}input:focus-visible{outline:2px solid #43b5cc;outline-offset:2px}button{cursor:pointer;border:1px solid transparent;border-radius:9px;background:var(--blue);color:white;padding:10px 22px;min-height:46px}button:hover{background:#095970}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #43b5cc;outline-offset:3px}.secondary{background:white;border-color:#c6d5df;color:var(--ink)}.secondary:hover{background:#e6f2f5}.toolbar,.settings-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:24px 0}.toolbar p{margin:0}.check{display:flex;align-items:center;gap:9px;font-weight:400;white-space:nowrap}.check input{width:19px;height:19px;accent-color:var(--blue)}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.tool-panel{min-width:0}.tool-panel legend{font-size:17px;font-weight:650;padding:0 8px}.tool-panel{margin:0;padding:18px 22px 6px}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.savebar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 0;position:sticky;bottom:0;background:rgba(240,245,247,.97);border-bottom:1px solid var(--line);z-index:2}.savebar span{font-size:14px;color:var(--muted)}.savebar button{flex-shrink:0}.password-panel{margin-top:25px;max-width:600px}summary{cursor:pointer;font-weight:650}.password-panel form{margin-top:22px}#notice{border-radius:10px;background:#e2f1f6;color:#145a71;padding:12px 16px;font-size:15px;overflow-wrap:anywhere}#notice:empty{display:none}#notice.error{background:#fff0ed;color:#a12e24}#notice.success{background:#e5f3ec;color:#206444}#retry{margin-bottom:22px}footer{text-align:center;color:#788c96;font-size:12px;letter-spacing:.3em;padding:20px 0 35px}[hidden]{display:none!important}fieldset{border:1px solid var(--line)}@media(max-width:700px){main{margin:28px auto;padding:0 16px}.topbar{padding:18px 16px}.topbar span{display:block;margin:3px 0 0}.tool-grid,.two-fields{grid-template-columns:1fr}.two-fields{gap:0}.settings-head{align-items:flex-start;flex-direction:column;gap:4px}.panel{padding:22px 18px}.tool-panel{padding-bottom:5px}.savebar{gap:12px}.savebar span{max-width:180px}h1{font-size:28px}}