:root{--bg:#f6f8fb;--surface:#fff;--soft:#eef2f8;--line:#dfe5ee;--ink:#17202e;--muted:#526075;--navy:#14294a;--accent:#2160c4;--accent-d:#174a9c;--accent-l:#e7effc;--good:#15803d;--bad:#b42318;--warn:#a15c07;--radius:12px;--w:780px;--frame:1160px;--hdr:64px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:calc(var(--hdr) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:17px;line-height:1.7;color:var(--ink);background:var(--bg)}
img,svg{max-width:100%;height:auto}
a{color:var(--accent-d);text-underline-offset:2px}
a:hover{color:var(--navy)}
:focus-visible{outline:3px solid #f59e0b;outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:200}
.skip:focus{left:8px;top:8px}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.4) blur(6px)}
.hdr{max-width:var(--frame);margin:0 auto;display:flex;align-items:center;gap:16px;padding:0 20px;min-height:var(--hdr)}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--navy);font-weight:800;font-size:19px;letter-spacing:-.01em;line-height:1.1;flex:0 1 auto;min-width:0}
.brand svg{width:34px;height:34px;flex:0 0 auto}
.brand span{display:block}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:600;padding:8px 10px;border-radius:8px;white-space:nowrap}
.nav a:hover,.nav a[aria-current=page]{background:var(--accent-l);color:var(--accent-d)}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#fff!important;text-decoration:none;font-weight:700;border-radius:10px;padding:11px 18px;font-size:16px;line-height:1.2;white-space:nowrap;border:0;cursor:pointer;flex:0 0 auto;transition:background .15s}
.btn:hover{background:var(--accent-d)}
.btn-lg{padding:14px 26px;font-size:17px}
.btn-ghost{background:#fff;color:var(--accent-d)!important;border:1px solid var(--line)}
.btn-ghost:hover{background:var(--soft)}
.hdr-cta{margin-left:8px}
.burger{display:none;flex:0 0 auto;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;align-items:center;justify-content:center;cursor:pointer;color:var(--navy);padding:0}
.burger svg{width:22px;height:22px}
@media (max-width:960px){
 .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:10px 16px 16px;box-shadow:0 12px 24px rgba(20,41,74,.08)}
 .nav.open{display:flex}
 .nav a{padding:12px 10px;font-size:16px}
 .burger{display:inline-flex}
 .hdr-cta{margin-left:auto}
}
@media (max-width:480px){
 .hdr{gap:8px;padding:0 10px;min-height:58px}
 :root{--hdr:58px}
 .brand{font-size:15px;gap:6px}
 .brand svg{width:26px;height:26px}
 .brand span{max-width:5.2em}
 .hdr-cta{padding:9px 11px;font-size:14px;border-radius:9px;margin-left:auto}
 .burger{width:38px;height:38px}
}
@media (max-width:350px){
 .hdr{gap:6px;padding:0 8px}
 .brand{font-size:14px;gap:5px}
 .brand svg{width:24px;height:24px}
 .hdr-cta{padding:8px 9px;font-size:13px}
 .burger{width:36px;height:36px}
}
/* layout */
.crumbs{max-width:var(--frame);margin:0 auto;padding:14px 20px 0;font-size:14px;color:var(--muted)}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px}
.crumbs li+li::before{content:"›";margin:0 6px;color:#9aa6b8}
.crumbs a{color:var(--muted)}
.hero{background:linear-gradient(#fff,#fff0),repeating-linear-gradient(0deg,transparent 0 31px,#e9eef6 31px 32px),repeating-linear-gradient(90deg,transparent 0 31px,#e9eef6 31px 32px);background-color:#fbfcfe;border-bottom:1px solid var(--line);padding:34px 20px 40px;text-align:center}
.hero-in{max-width:860px;margin:0 auto}
.hero h1{font-size:clamp(28px,4.4vw,44px);line-height:1.18;margin:8px 0 14px;color:var(--navy);letter-spacing:-.02em}
.hero .lead{font-size:19px;color:var(--muted);margin:0 auto 6px;max-width:720px}
.hero .offer{margin:18px 0 0;font-weight:600;color:var(--navy)}
.hero .btn{margin-top:12px}
.wrap{max-width:var(--frame);margin:0 auto;padding:0 20px}
article.main{max-width:var(--w);margin:0 auto;padding:28px 0 40px}
article.main>h2,article.main section>h2{font-size:28px;line-height:1.25;color:var(--navy);margin:48px 0 14px;letter-spacing:-.01em}
article.main h3{font-size:21px;line-height:1.3;margin:30px 0 10px;color:var(--navy)}
article.main h4{font-size:18px;margin:22px 0 8px}
article.main p{margin:0 0 16px}
article.main ul,article.main ol{padding-left:24px;margin:0 0 18px}
article.main li{margin:0 0 8px}
/* components */
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin:8px 0 28px}
.toc strong{display:block;color:var(--navy);margin-bottom:6px}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:28px;font-size:15px}
.toc li{margin:0 0 4px;break-inside:avoid}
@media (max-width:640px){.toc ol{columns:1}}
.box{border-radius:var(--radius);padding:20px 22px;margin:26px 0;border:1px solid var(--line);background:#fff}
.box>:last-child{margin-bottom:0}
.box-title{display:block;font-weight:800;color:var(--navy);font-size:18px;margin:0 0 8px}
.verdict{border:2px solid var(--accent);background:linear-gradient(180deg,var(--accent-l),#fff 70%)}
.verdict .tag{display:inline-block;background:var(--accent);color:#fff;font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border-radius:999px;margin-bottom:8px}
.tip{background:#f1f7ff;border-left:4px solid var(--accent)}
.warn{background:#fff8ec;border-left:4px solid #e3a008}
.note{background:var(--soft)}
.cta-panel{background:var(--navy);color:#eaf1ff;border:0;text-align:center;padding:26px 22px}
.cta-panel .box-title{color:#fff;font-size:21px}
.cta-panel p{color:#d6e2f7}
.cta-panel .btn{background:#fff;color:var(--navy)!important;margin-top:6px}
.cta-panel .btn:hover{background:#e8efff}
.cta-inline{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;justify-content:space-between;background:#fff;border:1px dashed #b9c8e3}
.cta-inline p{margin:0;flex:1 1 280px}
.tbl{overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;-webkit-overflow-scrolling:touch}
.tbl table{border-collapse:collapse;width:100%;min-width:520px;font-size:15px;line-height:1.5}
.tbl caption{caption-side:top;text-align:left;font-weight:700;color:var(--navy);padding:12px 14px 4px}
.tbl th,.tbl td{padding:10px 14px;border-top:1px solid var(--line);text-align:left;vertical-align:top}
.tbl thead th{background:var(--soft);color:var(--navy);font-size:14px;border-top:0}
.tbl tbody th{font-weight:600}
.pc{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}
@media (max-width:640px){.pc{grid-template-columns:1fr}}
.pc>div{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.pc h3,.pc .pc-h{margin:0 0 10px!important;font-size:18px;font-weight:800}
.pc .pros .pc-h{color:var(--good)}.pc .cons .pc-h{color:var(--bad)}
.pc ul{list-style:none;padding:0!important;margin:0!important}
.pc li{position:relative;padding-left:26px;font-size:15.5px}
.pc .pros li::before{content:"✓";position:absolute;left:2px;color:var(--good);font-weight:800}
.pc .cons li::before{content:"✕";position:absolute;left:3px;color:var(--bad);font-weight:800}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:22px 0}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;font-size:15.5px}
.card .card-h{display:block;font-weight:800;color:var(--navy);margin:0 0 6px;font-size:17px}
.card p{margin:0 0 8px}.card p:last-child{margin:0}
.steps{counter-reset:s;list-style:none;padding:0!important;margin:22px 0}
.steps>li{counter-increment:s;position:relative;padding:14px 16px 14px 62px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin:0 0 10px}
.steps>li::before{content:counter(s);position:absolute;left:16px;top:14px;width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px}
.bars{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin:24px 0}
.bars figcaption{font-weight:700;color:var(--navy);margin-bottom:10px}
.bar{display:grid;grid-template-columns:minmax(90px,34%) 1fr auto;align-items:center;gap:10px;font-size:14.5px;margin:7px 0}
.bar .track{background:var(--soft);border-radius:6px;height:16px;overflow:hidden}
.bar .fill{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#4f8be6);border-radius:6px}
.bar b{font-weight:700;white-space:nowrap}
.bars .fine{font-size:13px;color:var(--muted);margin:10px 0 0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin:0 0 10px;padding:0 16px}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:14px 0;list-style:none;position:relative;padding-right:28px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:2px;top:10px;font-size:22px;color:var(--accent)}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 0 12px}
.figure{margin:6px 0 22px}
.figure img{display:block;width:100%;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.figure figcaption{font-size:14px;color:var(--muted);margin-top:8px}
.related{margin:40px 0 0}
.related ul{list-style:none;padding:0!important;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.related li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin:0;font-size:15px}
.related li a{font-weight:700;display:block;margin-bottom:4px}
.hub-group{margin:0 0 34px}
.hub-group ul{list-style:none;padding:0!important;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px}
.hub-group li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:0;font-size:15px}
.hub-group li a{font-weight:700}
.start-here{font-size:15px;background:var(--accent-l);border-radius:8px;padding:8px 12px;display:inline-block;margin:0 0 12px}
/* footer */
.site-footer{background:var(--navy);color:#c9d6ec;margin-top:40px;padding:40px 20px 30px;font-size:15px}
.ft{max-width:var(--frame);margin:0 auto;display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px}
@media (max-width:820px){.ft{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.ft{grid-template-columns:1fr}}
.site-footer h2{color:#fff;font-size:16px;margin:0 0 10px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:0 0 6px}
.site-footer a{color:#dbe6f8;text-decoration:none}
.site-footer a:hover{text-decoration:underline;color:#fff}
.disclosure{max-width:var(--frame);margin:26px auto 0;border-top:1px solid #2a4370;padding-top:18px;font-size:14px;color:#aebfdc}
/* popup */
.pop{position:fixed;inset:0;z-index:100;background:rgba(14,26,48,.55);display:flex;align-items:center;justify-content:center;padding:16px}
.pop[hidden]{display:none}
.pop-box{position:relative;background:#fff;border-radius:16px;max-width:460px;width:100%;max-height:calc(100vh - 32px);overflow-y:auto;padding:26px 24px 22px;text-align:center;box-shadow:0 30px 60px rgba(0,0,0,.25)}
.pop-box h2{margin:6px 0 8px;font-size:23px;color:var(--navy);line-height:1.25}
.pop-box p{margin:0 0 16px;color:var(--muted);font-size:16px;line-height:1.55}
.pop-art{width:100%;max-width:340px;margin:0 auto 4px;display:block}
.pop-x{position:absolute;top:10px;right:10px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:22px;line-height:1;cursor:pointer;color:var(--navy)}
.pop-actions{display:flex;flex-direction:column;gap:10px;align-items:stretch}
.pop-actions .btn{width:100%}
body.lock{overflow:hidden}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.pop,.site-footer{display:none}}
.picks{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:24px 0}
.pick{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px 18px;display:flex;flex-direction:column;font-size:15.5px}
.pick:first-child{border:2px solid var(--accent);box-shadow:0 10px 24px rgba(33,96,196,.12)}
.pick .rank{position:absolute;top:-12px;left:16px;background:var(--navy);color:#fff;font-weight:800;font-size:13px;border-radius:999px;padding:2px 10px}
.pick .best{display:inline-block;align-self:flex-start;background:var(--accent-l);color:var(--accent-d);font-weight:700;font-size:13px;border-radius:999px;padding:3px 10px;margin:4px 0 8px}
.pick .pick-name{font-size:20px;font-weight:800;color:var(--navy);margin:0 0 6px}
.pick p{margin:0 0 10px}
.pick .pick-btn{margin-top:auto;margin-bottom:0}
.pick .btn{width:100%}