:root{--bg:#f7f8f6;--paper:#fff;--ink:#1a2825;--muted:#65736d;--line:#e3e8e3;--green:#146c51;--green-dark:#0e513d;--green-light:#eaf4ee;--gold:#927036;--mono:ui-monospace,SFMono-Regular,Consolas,monospace;--radius:15px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.6}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}button:focus-visible,a:focus-visible{outline:3px solid #3ba77e;outline-offset:4px}input:focus,select:focus,textarea:focus{outline:2px solid #6dad91;outline-offset:1px}button{border:0}svg{vertical-align:middle;flex-shrink:0}button svg{pointer-events:none}.skip-link{position:absolute;left:15px;top:-60px;background:#fff;padding:10px;z-index:100}.skip-link:focus{top:10px}.topbar{height:76px;padding:0 40px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;background:#fff;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand-symbol{width:37px;height:37px;background:var(--green);border-radius:11px;color:#fff;display:grid;place-items:center}.brand-title{display:block;font-size:18px;line-height:1.3;font-weight:750;letter-spacing:.04em}.brand-sub{display:block;font-size:10px;letter-spacing:2px;color:var(--muted);line-height:1.4;margin-top:4px}.toplinks{display:flex;align-items:center;gap:29px;color:var(--muted);font-size:13px}.toplinks a:hover,.toplinks a.active{color:var(--green)}.version{border:1px solid var(--line);padding:5px 10px;border-radius:6px;font:11px var(--mono);color:var(--muted)}.frame{max-width:1600px;margin:auto;display:grid;grid-template-columns:222px minmax(0,1fr)}.sidebar{padding:30px 20px 25px 24px;border-right:1px solid var(--line);min-height:calc(100vh - 76px);position:sticky;top:76px;height:calc(100vh - 76px);overflow-y:auto}.side-label{font-size:10px;letter-spacing:1.4px;color:#78867e;margin:15px 12px 9px;font-weight:650}.side-menu{display:flex;flex-direction:column;gap:5px}.side-menu a,.side-menu button{color:#53645b;display:flex;gap:11px;align-items:center;padding:9px 12px;border-radius:8px;background:transparent;text-align:left;width:100%;font-size:13px;min-height:41px}.side-menu a:hover,.side-menu button:hover{background:#edf1ec}.side-menu .active{background:#e7f0e8;color:var(--green);font-weight:650}.side-menu .count{margin-left:auto;font-size:11px;color:#7d8e83;font-family:var(--mono)}.side-rule{height:1px;background:var(--line);margin:20px 12px}.local-note{display:block;margin:25px 10px 0;padding:15px 13px;background:#edf2ec;border:1px solid #e2e9df;border-radius:10px;color:#61725f;font-size:11px;line-height:1.8}.local-note strong{color:#345e47;display:block;margin-bottom:5px;font-size:12px}.main{padding:46px 44px 32px;min-width:0;min-height:calc(100vh - 76px)}.eyebrow{font:11px var(--mono);letter-spacing:1.5px;color:var(--green);display:flex;align-items:center;gap:9px;margin-bottom:14px}.status-dot{width:6px;height:6px;border-radius:50%;background:#3b9365;display:inline-block}h1{font-size:clamp(30px,3.1vw,46px);font-weight:750;letter-spacing:-1.4px;line-height:1.25;margin:0 0 15px}h1 em{font-style:normal;color:var(--green)}.hero{display:flex;justify-content:space-between;gap:26px;align-items:center}.hero-text{min-width:0}.intro{font-size:14px;color:var(--muted);margin:0;line-height:1.9}.hero-illustration{width:174px;height:154px;position:relative;margin-right:10px;flex-shrink:0}.mini-tile{position:absolute;width:68px;height:68px;display:grid;place-items:center;border:1px solid #dfe5da;border-radius:15px;background:#f3f1e7;color:#6f714b;font:24px var(--mono);box-shadow:0 8px 22px #183b2008}.mini-tile.a{top:6px;left:50px;transform:rotate(-9deg)}.mini-tile.b{bottom:9px;left:0;transform:rotate(-5deg);background:#fff;color:#316e57}.mini-tile.c{bottom:0;right:2px;transform:rotate(9deg);background:#e4eee2;color:#396a48}.micro{font-size:11px;color:#849087}.searchbox{margin-top:30px;background:#fff;border:1px solid #d5dfd5;border-radius:12px;display:flex;align-items:center;padding:4px 16px;height:56px;box-shadow:0 3px 10px #17372703;gap:11px}.searchbox svg{color:#657b6c}.searchbox input{border:0;outline:0!important;flex:1;min-width:0;height:100%;background:transparent;font-size:14px;color:var(--ink)}.searchbox kbd{font:12px var(--mono);border:1px solid var(--line);background:#fafbf9;padding:1px 7px;border-radius:4px;color:#859388}.popular{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-top:12px;font-size:11px;color:#839084}.popular 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0 0/16px 16px}.error{padding:12px 14px;background:#fdf0eb;color:#a54828;border:1px solid #f0d8cc;border-radius:8px;font-size:12px;margin-top:14px}.helper-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}.helper{padding:21px 23px;border:1px solid var(--line);border-radius:12px;background:#fff}.helper h2{font-size:13px;margin:0 0 10px}.helper p,.helper li{font-size:12px;color:#788573;line-height:1.9;margin:0 0 6px}.helper ol{margin:0;padding-left:18px}.related{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.related a{font-size:12px;border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px 11px;color:#60805a}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#244632;color:#fff;padding:12px 21px;border-radius:9px;font-size:12px;box-shadow:0 8px 30px #18351e25;z-index:100;max-width:calc(100vw - 30px)}.source-card{background:#fff;border:1px solid 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a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.inline-code,code{font-family:var(--mono);font-size:.9em;background:#edf2e8;padding:2px 5px;border-radius:4px}.privacy-body{max-width:850px}.mobile-categories{display:none}.mini-note{font-size:11px;color:#809076;margin-top:18px}.fade-in{animation:enter .18s ease-out}@keyframes enter{from{opacity:.5;transform:translateY(4px)}to{opacity:1;transform:none}}@media(min-width:1450px){.main{padding-left:57px;padding-right:57px}.cards{grid-template-columns:repeat(4,minmax(0,1fr))}.hero{max-width:1050px}}@media(max-width:1150px){.frame{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding:25px 12px}.main{padding:35px 25px}.topbar{padding:0 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65px)}h1{font-size:34px;letter-spacing:-1px}.intro{font-size:12px}.eyebrow{font-size:10px;margin-bottom:13px}.searchbox{margin-top:23px;height:52px;padding:4px 12px}.searchbox input{font-size:12px}.searchbox kbd{display:none}.popular{font-size:10px}.mobile-categories{display:flex;gap:7px;overflow:auto;margin:20px 0 0;padding-bottom:8px}.mobile-categories a{white-space:nowrap;background:white;border:1px solid var(--line);padding:5px 10px;border-radius:6px;font-size:11px;color:#73836b}.mobile-categories a.active{color:var(--green);background:#e9f1e5}.section-header{margin-top:24px}.section-header h2{font-size:16px}.cards{gap:10px}.tool-card{padding:15px 13px 10px;min-height:195px;border-radius:12px}.tool-icon{width:32px;height:32px;border-radius:8px;margin-bottom:13px}.tool-icon svg{width:18px;height:18px}.card-main h3{font-size:13px}.card-main p{font-size:11px;line-height:1.65;margin-bottom:13px}.tool-card 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.domain{font-size:9px}.external-mark{font-size:8px}.source-top{flex-wrap:wrap}.notice{font-size:11px}.detail-desc{font-size:12px}.helper{padding:18px}.helper p,.helper li{font-size:11px}.toolbar .btn{font-size:11px;padding:7px 9px}.btn{font-size:11px}.research-body h2,.privacy-body h2{font-size:17px}.research-body p,.privacy-body p{font-size:12px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
/* Editorial pages and optional analytics choices. */
.editorial{max-width:900px;margin:28px 0;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.editorial h2,.editorial-page h2{font-size:21px;margin:24px 0 12px}.editorial p,.editorial-page p,.editorial-page li{font-size:15px;line-height:1.9;color:#4f615a}.editorial-page{max-width:980px}.editorial-page h1{font-size:clamp(28px,3vw,42px);line-height:1.35;letter-spacing:-.5px}.editorial a,.editorial-page p a:not(.btn),.editorial-page li a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.editorial-page pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:22px;background:#eef3ed;border:1px solid var(--line);border-radius:12px;line-height:1.8}.editorial-page pre code{padding:0;background:none}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:22px 0}.guide-card{display:block;padding:20px;background:white;border:1px solid var(--line);border-radius:12px;transition:border-color .15s}.guide-card:hover{border-color:var(--green)}.guide-card small{font:11px var(--mono);color:var(--green)}.guide-card h3{font-size:16px;line-height:1.5;margin:13px 0 9px}.guide-card p{font-size:12px;line-height:1.8;color:var(--muted);margin-bottom:16px}.guide-card span{font-size:12px;color:var(--green)}.home-guides .guide-card p{display:none}.home-guides .guide-card{padding:16px}.home-guides .guide-grid{margin-top:14px}.footer-links{flex-wrap:wrap;justify-content:flex-end}.link-button{padding:0;color:inherit;background:none;font:inherit;text-decoration:underline;text-underline-offset:3px}.consent{position:fixed;bottom:20px;right:20px;z-index:80;max-width:430px;background:#fff;border:1px solid #9fb6a9;border-radius:14px;padding:22px;box-shadow:0 12px 48px #193d3029}.consent[hidden]{display:none}.consent strong{font-size:16px}.consent p{font-size:13px;color:var(--muted);line-height:1.8}.consent p a{color:var(--green);text-decoration:underline}.consent>div{display:flex;gap:10px}.consent .btn{flex:1;border:1px solid var(--green);color:var(--green);background:#fff;justify-content:center;min-height:44px}.consent .btn:hover{background:var(--green-light)}@media(max-width:890px){.guide-grid{grid-template-columns:1fr}.home-guides .guide-grid{gap:8px}.home-guides .guide-card h3{font-size:14px;margin:8px 0}.home-guides .guide-card span{display:none}}@media(max-width:670px){.toplinks{gap:10px}.editorial{padding:18px}.editorial-page p,.editorial-page li,.editorial p{font-size:14px}.editorial-page pre{padding:15px;font-size:12px}.footer{flex-wrap:wrap}.footer-links{justify-content:flex-start}.consent{left:12px;right:12px;bottom:12px;padding:18px;max-width:none}.editorial-page .breadcrumb{font-size:11px;flex-wrap:wrap}}

.tool-example{margin:20px 0;padding:16px 20px;border:1px solid var(--line);border-radius:10px;background:var(--paper)}.tool-example summary{cursor:pointer;font-weight:600;color:var(--green)}.tool-example pre{overflow:auto;white-space:pre;tab-size:4;font:12px/1.8 var(--mono);padding:14px;background:var(--bg);border-radius:7px;max-height:360px}.next-tools li{margin:10px 0}.editorial h3{font-size:15px;margin:20px 0 8px}