:root{--bg:#f4f7fb;--surface:#fff;--surface-2:#f7f9fc;--text:#172033;--muted:#617086;--line:#dfe6ef;--blue:#1859a8;--blue-2:#0f478b;--blue-soft:#eaf3ff;--green:#177245;--green-soft:#eaf8f0;--orange:#9a5a05;--orange-soft:#fff4de;--shadow:0 10px 30px rgba(23,32,51,.06);--radius:16px;--radius-sm:11px;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%}.container{width:min(var(--max),calc(100% - 32px));margin-inline:auto}.skip{position:absolute;left:-9999px;top:8px;background:#fff;padding:10px 14px;border-radius:8px;z-index:100}.skip:focus{left:8px}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}.header-row{min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:19px}.brand:hover{text-decoration:none}.brand-mark{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:900}.main-nav{display:flex;align-items:center;gap:5px}.main-nav a{padding:8px 10px;border-radius:9px;color:#334158;font-size:14px;font-weight:650}.main-nav a:hover{background:var(--blue-soft);text-decoration:none}.menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--text);padding:8px 11px;border-radius:9px;font:inherit;font-weight:700}.page-shell{padding-top:24px;padding-bottom:54px;min-height:70vh}.breadcrumbs{display:flex;align-items:center;gap:7px;overflow:hidden;white-space:nowrap;margin:0 0 16px;color:var(--muted);font-size:13px}.breadcrumbs a{color:var(--muted)}.breadcrumbs span:last-child{overflow:hidden;text-overflow:ellipsis}.hero{background:linear-gradient(135deg,#fff 0%,#f7fbff 100%);border:1px solid var(--line);border-radius:22px;padding:30px 32px;box-shadow:var(--shadow)}.hero h1{font-size:clamp(31px,5vw,52px);line-height:1.07;letter-spacing:-.035em;margin:5px 0 13px;max-width:900px}.hero.compact h1{font-size:clamp(28px,4vw,42px)}.lead{font-size:18px;line-height:1.55;color:#40506a;max-width:850px;margin:0}.eyebrow{display:inline-block;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.hero-actions,.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.btn,button.btn{appearance:none;border:0;border-radius:11px;background:var(--blue);color:#fff;display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 16px;font:inherit;font-weight:750;cursor:pointer;box-shadow:none}.btn:hover{background:var(--blue-2);text-decoration:none}.btn.secondary{background:var(--blue-soft);color:var(--blue)}.btn.secondary:hover{background:#dcecff}.section{margin-top:34px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:14px}.section-head h2,.content-card h2,.prose-card h2{font-size:clamp(22px,3vw,29px);line-height:1.18;letter-spacing:-.02em;margin:4px 0 0}.section-head p{color:var(--muted);max-width:760px;margin:6px 0 0}.link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.link-grid.compact-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.link-card{min-width:0;display:flex;flex-direction:column;gap:4px;padding:15px 16px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--text);transition:border-color .15s,transform .15s,background .15s}.link-card:hover{text-decoration:none;border-color:#b8cce5;background:#fbfdff;transform:translateY(-1px)}.link-card b{line-height:1.3}.link-card span{font-size:13px;line-height:1.35;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;margin-top:16px}.metric{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:15px 17px;display:flex;flex-direction:column;gap:2px}.metric span,.metric small{color:var(--muted);font-size:13px}.metric b{font-size:24px;line-height:1.25;letter-spacing:-.02em}.badges{display:flex;gap:7px;flex-wrap:wrap;margin-top:16px}.badge{display:inline-flex;align-items:center;border:1px solid #cbd7e8;border-radius:999px;padding:5px 9px;background:#f7f9fc;color:#41506a;font-size:12px;font-weight:750}.badge.good{border-color:#badfc9;background:var(--green-soft);color:var(--green)}.badge.warn{border-color:#efd6aa;background:var(--orange-soft);color:var(--orange)}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:14px 0}.content-card,.prose-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.content-card p,.prose-card p,.prose-card li{color:#3e4c62}.content-card h3,.prose-card h3{margin:20px 0 6px}.text-link{font-weight:750}.notice{border:1px solid #efd6aa;background:var(--orange-soft);border-radius:13px;padding:14px 16px;margin:16px 0}.notice b{color:var(--orange)}.notice p{margin:3px 0 0;color:#684916}.ad-placeholder{display:none}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px;-webkit-overflow-scrolling:touch}.table-wrap.narrow{max-width:720px}table{border-collapse:collapse;width:100%;min-width:680px;font-size:14px}th,td{text-align:left;vertical-align:top;padding:11px 12px;border-bottom:1px solid #e7ecf3;white-space:nowrap}th{background:#f3f6fa;color:#43516a;font-size:12px;text-transform:uppercase;letter-spacing:.025em;position:sticky;top:0;z-index:2}tbody tr:last-child td{border-bottom:0}tbody tr:hover td{background:#fbfdff}.source-note,.form-note{font-size:13px;color:var(--muted);margin:9px 2px 0}.calc-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.form-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;align-items:end}.form-grid label{display:flex;flex-direction:column;gap:5px;color:#3b4960;font-size:13px;font-weight:700}.form-grid input,.form-grid select{width:100%;min-width:0;border:1px solid #cbd5e2;border-radius:10px;background:#fff;color:var(--text);padding:10px 11px;font:inherit;font-size:15px;outline:none}.form-grid input:focus,.form-grid select:focus{border-color:#7ba6d8;box-shadow:0 0 0 3px rgba(24,89,168,.1)}.calc-result{display:block;min-height:0;margin-top:12px;border-radius:12px;background:var(--blue-soft);color:#223a5a;padding:14px 15px}.calc-result:empty{display:none}.result-main{font-size:18px;font-weight:800}.result-sub{margin-top:4px;font-size:13px;color:#53657d}.steps{margin:13px 0;padding-left:22px}.steps li{margin:7px 0}.faq-list{display:grid;gap:8px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 15px}.faq-list summary{cursor:pointer;padding:14px 0;font-weight:750;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";float:right;color:var(--blue);font-size:20px;line-height:1}.faq-list details[open] summary:after{content:"−"}.faq-answer{padding:0 0 14px;color:#43516a}.faq-answer p{margin:0}.source-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.source-card{display:flex;flex-direction:column;gap:5px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px;color:var(--text)}.source-card:hover{text-decoration:none;border-color:#b8cce5}.source-card span{color:var(--muted);font-size:13px}.source-card small{margin-top:4px;color:var(--blue);font-weight:700}.prose-card{max-width:900px}.prose-card code{background:#f0f3f8;padding:2px 5px;border-radius:5px}.site-footer{background:#fff;border-top:1px solid var(--line);padding:34px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:26px}.footer-grid>div{display:flex;flex-direction:column;gap:7px}.footer-grid p{color:var(--muted);font-size:13px;max-width:400px;margin:5px 0 0}.footer-grid b{font-size:13px;margin-bottom:4px}.footer-grid a:not(.brand){font-size:13px;color:#4b5b72}.footer-brand{margin-bottom:4px}.footer-bottom{border-top:1px solid var(--line);margin-top:22px;padding-top:15px;display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}
@media(max-width:980px){.link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.link-grid.compact-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.form-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.compare-grid{grid-template-columns:1fr}body{font-size:15px}.container{width:min(100% - 24px,var(--max))}.header-row{min-height:54px}.brand{font-size:17px}.brand-mark{width:29px;height:29px}.menu-btn{display:block}.main-nav{display:none;position:absolute;left:12px;right:12px;top:58px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:8px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:10px 12px}.page-shell{padding-top:14px;padding-bottom:38px}.breadcrumbs{margin-bottom:10px}.hero{padding:20px 18px;border-radius:16px}.hero h1{font-size:31px;margin-bottom:10px}.lead{font-size:16px}.section{margin-top:26px}.section-head{margin-bottom:10px}.section-head h2,.content-card h2,.prose-card h2{font-size:22px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.metric{padding:12px}.metric b{font-size:20px}.link-grid,.link-grid.compact-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.link-card{padding:12px;border-radius:11px}.link-card span{-webkit-line-clamp:1}.two-col{grid-template-columns:1fr;gap:9px}.content-card,.prose-card,.calc-card{padding:15px;border-radius:13px}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.form-grid .btn{min-height:42px;width:100%}table{font-size:13px;min-width:620px}th,td{padding:9px 10px}.table-wrap{border-radius:11px}.source-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column}.faq-list details{padding:0 12px}.faq-list summary{padding:12px 0}}
@media(max-width:420px){.container{width:calc(100% - 20px)}.hero{padding:18px 15px}.hero h1{font-size:28px}.hero-actions .btn{width:100%}.metrics{grid-template-columns:1fr 1fr}.metric b{font-size:18px}.link-grid,.link-grid.compact-grid{grid-template-columns:1fr 1fr}.link-card{padding:11px}.form-grid{grid-template-columns:1fr 1fr}.form-grid label:nth-child(n+5){grid-column:auto}.form-grid .btn{grid-column:1/-1}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}

/* Advertising containers are rendered only when code is configured in /admin/. */
.ad-slot{width:100%;max-width:100%;overflow:hidden;margin:22px 0 0;text-align:center;contain:layout style}.ad-slot-1{margin-top:16px;margin-bottom:4px}.ad-slot-2{margin-top:28px;margin-bottom:2px}.ad-slot-3{margin-top:30px;margin-bottom:0}.ad-slot iframe,.ad-slot img,.ad-slot ins,.ad-slot>div{max-width:100%}
@media(max-width:720px){.ad-slot{margin-top:18px}.ad-slot-1{margin-top:12px}.ad-slot-2,.ad-slot-3{margin-top:22px}}
/* Reserve a modest area for configured adaptive ads to reduce layout shifts. */
.ad-slot-1{min-height:110px}.ad-slot-2{min-height:180px}.ad-slot-3{min-height:180px}
@media(max-width:720px){.ad-slot-1{min-height:100px}.ad-slot-2,.ad-slot-3{min-height:160px}}