:root{--ink:#26215c;--ink-soft:#5f5e5a;--line:#e3e2dd;--paper:#fff;--surface:#f7f7f5;--accent:#1d9e75;--accent-soft:#e1f5ee;--warn:#ba7517;--warn-soft:#faeeda;--alert:#e24b4a;--alert-soft:#fcebeb;--brand:#534ab7}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--paper);color:var(--ink);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.shell{max-width:940px;margin:0 auto;padding:0 24px}.site-head{border-bottom:1px solid var(--line);padding:18px 0;margin-bottom:40px}.site-head .shell{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.logo{font-size:19px;font-weight:600;color:var(--ink);letter-spacing:-.01em}.logo span{color:var(--accent)}.site-nav{display:flex;gap:20px;font-size:14px}.site-nav a{color:var(--ink-soft)}.site-nav a:hover{color:var(--ink)}.site-foot{margin-top:72px;padding:28px 0 48px;border-top:1px solid var(--line);color:var(--ink-soft);font-size:13px}.site-foot p{margin:0 0 8px}h1{font-size:32px;line-height:1.25;margin:0 0 14px;letter-spacing:-.02em}h1,h2{font-weight:600}h2{font-size:21px;margin:40px 0 12px}h3{font-size:17px;font-weight:600;margin:26px 0 8px}p{margin:0 0 14px}.lede{font-size:18px;color:var(--ink-soft);margin-bottom:28px;line-height:1.6}.card{border:1px solid var(--line);padding:20px 22px;background:var(--paper)}.card,.note{border-radius:12px;margin:18px 0}.note{background:var(--surface);padding:14px 18px;font-size:14px}.card p:last-child,.note p:last-child{margin-bottom:0}.grid{display:grid;grid-gap:14px;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:24px 0}.pill{display:inline-block;font-size:12px;padding:3px 10px;border-radius:20px;margin-right:6px;margin-bottom:6px;border:1px solid var(--line);color:var(--ink-soft);background:var(--surface)}.pill.ok{background:var(--accent-soft);border-color:var(--accent);color:#0f6e56}.pill.warn{background:var(--warn-soft);border-color:var(--warn);color:#633806}.pill.alert{background:var(--alert-soft);border-color:var(--alert);color:#791f1f}table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}td,th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:13px;font-weight:600;color:var(--ink-soft);background:var(--surface)}td.num,th.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.field{display:block;margin-bottom:14px;font-size:14px}.field label{display:block;margin-bottom:5px;color:var(--ink-soft)}.field input,.field select{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:15px;background:var(--paper);color:var(--ink);font-family:inherit}.field input:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}.row2{display:grid;grid-gap:14px;gap:14px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.btn,button{display:inline-block;padding:9px 18px;border:1px solid var(--ink);border-radius:8px;background:var(--paper);color:var(--ink);font-size:15px;font-family:inherit;cursor:pointer}.btn:hover,button:hover{background:var(--surface);text-decoration:none}.result{margin-top:22px;padding:18px 20px;border-radius:12px;background:var(--surface);border:1px solid var(--line)}.result h3{margin-top:0}.big{font-size:26px;font-weight:600;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.tool-list{list-style:none;padding:0;margin:18px 0}.tool-list li{padding:14px 0;border-bottom:1px solid var(--line)}.tool-list li:last-child{border-bottom:none}.tool-list a{font-weight:600}.tool-list p{margin:4px 0 0;font-size:14px;color:var(--ink-soft)}.disclaimer{font-size:13px;color:var(--ink-soft);background:var(--surface);border-left:3px solid var(--warn);padding:12px 16px;border-radius:0 8px 8px 0;margin:24px 0}