:root{
  --ink:#17212b;--muted:#617080;--line:#dce3ea;--soft:#f6f8fb;--paper:#fff;
  --blue:#0064d2;--red:#e53238;--yellow:#f5af02;--green:#86b817;--navy:#102a43;
  --max:1220px;--read:800px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
body:before{content:"";display:block;height:5px;background:linear-gradient(90deg,var(--red) 0 25%,var(--blue) 25% 50%,var(--yellow) 50% 75%,var(--green) 75% 100%)}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:none}.site-head{min-height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - var(--max))/2));position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);z-index:30}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:850;letter-spacing:-.02em}.mark{width:36px;height:36px;border-radius:11px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:20px}.brand-copy{display:flex;flex-direction:column;line-height:1.05}.brand-copy b{color:var(--blue)}.brand-colors{display:flex;gap:3px;margin-top:5px}.brand-colors i{display:block;width:18px;height:3px;border-radius:3px}.brand-colors i:nth-child(1){background:var(--red)}.brand-colors i:nth-child(2){background:var(--blue)}.brand-colors i:nth-child(3){background:var(--yellow)}.brand-colors i:nth-child(4){background:var(--green)}
.site-head nav{display:flex;gap:26px;font-size:14px;font-weight:750}.site-head nav a{color:var(--ink);padding:25px 0;position:relative}.site-head nav a:after{content:"";position:absolute;left:0;right:100%;bottom:18px;height:3px;background:var(--blue);transition:.2s}.site-head nav a:hover:after{right:0}
main{max-width:var(--max);margin:auto;padding:34px 24px 78px}.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:900;color:var(--blue)}h1{font-size:clamp(40px,5vw,68px);line-height:1.02;letter-spacing:-.045em;margin:10px 0 22px}h2{font-size:30px;line-height:1.18;letter-spacing:-.03em;margin:44px 0 14px}h3{letter-spacing:-.02em}.lede{font-size:20px;color:#475767;max-width:780px}.crumbs{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:14px;margin-bottom:28px}.crumbs a{color:var(--muted)}
.article-head,.trust{max-width:var(--read);margin:auto}.article-head h1{font-size:clamp(38px,4.6vw,60px)}article>section,.source-box,.tool-card{max-width:var(--read);margin-left:auto;margin-right:auto}article p{font-size:17px;line-height:1.78}article section h2{position:relative;padding-left:17px}article section h2:before{content:"";position:absolute;left:0;top:.16em;width:5px;height:1.05em;border-radius:4px;background:var(--blue)}article section:nth-of-type(4n+2) h2:before{background:var(--red)}article section:nth-of-type(4n+3) h2:before{background:var(--yellow)}article section:nth-of-type(4n) h2:before{background:var(--green)}
.hero{display:block;width:min(100%,1040px);height:auto;aspect-ratio:16/9;object-fit:cover;margin:34px auto 38px;border-radius:12px;box-shadow:0 16px 44px rgba(16,42,67,.14)}
.ad-reserve{max-width:var(--read);margin:34px auto;padding:16px;text-align:center;background:#fafbfc;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:#96a0aa;font-size:11px;text-transform:uppercase;letter-spacing:.14em}
.source-box{background:linear-gradient(135deg,#eef6ff,#f7fbff);border-left:5px solid var(--blue);padding:22px 24px;margin-top:40px}.source-box p{margin:6px 0}.source-box a{font-weight:800}
.tool-card{background:linear-gradient(145deg,#102a43,#153c61);color:#fff;border-radius:16px;padding:28px;margin-top:34px;box-shadow:0 18px 40px rgba(16,42,67,.16)}.tool-card h2{margin:0 0 8px;padding:0}.tool-card h2:before{display:none}.tool-card>p{color:#d7e2ec}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:22px 0}.tool-grid label{font-size:13px;font-weight:800}.tool-grid input,.tool-grid select{width:100%;margin-top:6px;padding:12px;border:1px solid #71869a;border-radius:8px;background:#fff;color:#17212b;font:inherit}.tool-grid .check{display:flex;gap:9px;align-items:center}.tool-grid .check input{width:auto;margin:0}.calc-btn,.btn{border:0;border-radius:8px;background:var(--blue);color:#fff;padding:13px 18px;font-weight:850;display:inline-block;cursor:pointer;box-shadow:0 7px 18px rgba(0,100,210,.18)}.calc-btn:hover,.btn:hover{background:#0057b8}.results{margin-top:18px;background:#fff;color:var(--ink);border-radius:10px;padding:18px;display:none}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.result-grid div{background:var(--soft);padding:13px;border-left:4px solid var(--blue)}.result-grid div:nth-child(2){border-color:var(--red)}.result-grid div:nth-child(3){border-color:var(--green)}.result-grid div:nth-child(4){border-color:var(--yellow)}.result-grid b{display:block;font-size:22px}.micro{font-size:12px!important;color:#cfdae4}
.faq details{border-top:1px solid var(--line);padding:15px 0}.faq summary{font-weight:850;cursor:pointer}.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}.card{padding:18px 16px;border-bottom:1px solid var(--line);color:var(--ink);display:flex;flex-direction:column;gap:4px}.card:nth-child(odd){border-right:1px solid var(--line)}.card span{font-size:11px;color:var(--blue);font-weight:900;text-transform:uppercase;letter-spacing:.06em}.card strong{line-height:1.35}.card:hover{background:var(--soft)}
.home-main{padding-top:0}.home-hero{min-height:500px;display:grid;grid-template-columns:1.35fr .75fr;gap:64px;align-items:center;padding:64px 0 54px}.home-copy h1{max-width:780px}.home-copy h1 em{font-style:normal;position:relative;z-index:1}.home-copy h1 em:after{content:"";position:absolute;left:0;right:0;bottom:.05em;height:.18em;background:var(--yellow);z-index:-1}.home-copy>p{font-size:21px;color:var(--muted);max-width:700px}.hero-actions{display:flex;align-items:center;gap:22px;margin-top:26px}.text-link{font-weight:850}.trust-line{display:flex;gap:20px;flex-wrap:wrap;margin-top:32px;color:#536171;font-size:13px;font-weight:750}.trust-line span:before{content:"✓";color:var(--green);font-weight:900;margin-right:6px}.home-visual{position:relative}.colour-stack{display:grid;grid-template-columns:repeat(4,1fr);height:9px}.colour-stack i:nth-child(1){background:var(--red)}.colour-stack i:nth-child(2){background:var(--blue)}.colour-stack i:nth-child(3){background:var(--yellow)}.colour-stack i:nth-child(4){background:var(--green)}.profit-panel{background:var(--navy);color:#fff;padding:34px 30px;min-height:270px;display:flex;flex-direction:column;justify-content:center}.profit-panel>span{font-size:11px;letter-spacing:.14em;color:#a9bed2;font-weight:900}.profit-panel>strong{font-size:32px;line-height:1.08;margin:10px 0 14px}.profit-panel p{color:#d5e0ea}.profit-panel a{color:#fff;font-weight:850}
.section-kicker{display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--ink);padding:0 0 10px;margin-bottom:0}.section-kicker span{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:900;color:var(--blue)}.section-kicker b{font-size:13px}.popular{margin:4px 0 34px}.popular-grid{display:grid;grid-template-columns:repeat(2,1fr)}.popular-link{display:grid;grid-template-columns:110px 1fr 24px;gap:15px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);color:var(--ink)}.popular-link:nth-child(odd){padding-right:24px}.popular-link:nth-child(even){padding-left:24px;border-left:1px solid var(--line)}.popular-link span{font-size:11px;text-transform:uppercase;font-weight:900;color:var(--blue)}.popular-link strong{line-height:1.25}.popular-link b{font-size:20px;color:var(--blue)}.popular-link:hover strong{color:var(--blue)}
.category-section{display:grid;grid-template-columns:.55fr 1.45fr;gap:60px;padding-top:28px}.section-title h2{font-size:42px;margin:8px 0 12px}.section-title p{color:var(--muted)}.category-lines{border-top:2px solid var(--ink)}.category-line{display:grid;grid-template-columns:10px 1fr auto;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);color:var(--ink)}.category-line:hover{background:linear-gradient(90deg,transparent,#f8fafc)}.category-line strong{font-size:18px}.category-line p{margin:3px 0 0;color:var(--muted);font-size:13px;line-height:1.45}.category-line>b{font-size:20px;color:var(--navy)}.category-line b small{font-size:11px;color:var(--muted);font-weight:700}.cat-dot{width:8px;height:36px;background:var(--blue);border-radius:4px}.category-line:nth-child(4n+2) .cat-dot{background:var(--red)}.category-line:nth-child(4n+3) .cat-dot{background:var(--yellow)}.category-line:nth-child(4n) .cat-dot{background:var(--green)}
.hub-main{padding-top:0}.hub-hero{padding:54px 0 34px;max-width:900px}.hub-hero h1{margin-bottom:16px}.hub-hero>p{font-size:19px;color:var(--muted);max-width:760px}.hub-meta{display:flex;gap:10px;margin-top:20px}.hub-meta span{font-size:12px;font-weight:850;padding:7px 10px;background:var(--soft);border-left:4px solid var(--blue)}.hub-meta span+span{border-color:var(--green)}
.hub-feature{display:grid;grid-template-columns:1.45fr .75fr;gap:20px;margin:16px 0 46px}.hub-lead{position:relative;min-height:440px;overflow:hidden;color:#fff;background:#111}.hub-lead img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;opacity:.72;transition:.3s}.hub-lead:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,21,34,.92),rgba(8,21,34,.04) 70%)}.hub-lead:hover img{transform:scale(1.02)}.hub-lead-copy{position:absolute;z-index:2;left:28px;right:28px;bottom:26px}.hub-lead span,.hub-mini span{font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:900;color:#fff}.hub-lead h2{font-size:34px;margin:8px 0}.hub-lead p{margin:0 0 12px;color:#e4ebf0}.hub-side{display:grid;grid-template-rows:1fr 1fr;gap:20px}.hub-mini{position:relative;overflow:hidden;min-height:210px;color:#fff;background:#111}.hub-mini img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.68}.hub-mini:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,21,34,.94),rgba(8,21,34,.04) 75%)}.hub-mini div{position:absolute;z-index:2;left:20px;right:20px;bottom:18px}.hub-mini h3{font-size:19px;line-height:1.18;margin:6px 0}.hub-mini strong,.hub-lead strong{font-size:13px}
.hub-library{margin-top:10px}.article-list{display:grid;grid-template-columns:1fr 1fr;border-top:0}.article-row{display:grid;grid-template-columns:44px 1fr 24px;gap:14px;align-items:start;padding:18px 18px 18px 0;border-bottom:1px solid var(--line);color:var(--ink)}.article-row:nth-child(odd){border-right:1px solid var(--line);padding-right:26px}.article-row:nth-child(even){padding-left:26px}.article-row:hover{background:var(--soft)}.row-index{font-size:12px;font-weight:900;color:#a1acb7;padding-top:4px}.article-row small{font-size:10px;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:var(--blue);display:block}.article-row strong{font-size:16px;line-height:1.3;display:block;margin:2px 0}.article-row p{font-size:12px;line-height:1.45;color:var(--muted);margin:4px 0 0}.article-row>b{color:var(--blue);font-size:18px}
.trust{padding-top:44px}footer{background:#0d1d2b;color:#d7e1ea;padding:46px max(24px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:1fr 1fr;gap:24px;border-top:5px solid var(--blue)}footer a{color:#fff}.foot-links{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}.copyright{grid-column:1/-1;color:#91a2b1;font-size:13px;border-top:1px solid #294154;padding-top:20px}
.cookie{position:fixed;left:20px;bottom:20px;max-width:420px;background:#fff;border:1px solid var(--line);box-shadow:0 18px 50px rgba(0,0,0,.2);padding:18px;border-radius:10px;z-index:50;display:none}.cookie p{margin:6px 0 12px}.cookie button{padding:9px 12px;border:0;border-radius:6px;background:var(--blue);color:#fff;font-weight:800}.cookie .ghost{background:#eef2f5;color:var(--ink)}
@media(max-width:900px){.home-hero,.category-section,.hub-feature{grid-template-columns:1fr}.home-hero{gap:28px}.hub-side{grid-template-columns:1fr 1fr;grid-template-rows:none}.popular-grid,.article-list{grid-template-columns:1fr}.popular-link:nth-child(even),.article-row:nth-child(even){padding-left:0;border-left:0}.article-row:nth-child(odd){border-right:0;padding-right:0}.site-head nav{gap:14px}.category-section{gap:20px}}
@media(max-width:700px){.site-head nav{display:none}.tool-grid,.result-grid,.related-grid{grid-template-columns:1fr}.card:nth-child(odd){border-right:0}.home-hero{padding-top:40px}.home-copy h1{font-size:43px}.hub-side{grid-template-columns:1fr}.hub-lead{min-height:330px}.hub-mini{min-height:190px}.popular-link{grid-template-columns:90px 1fr 20px}.hero-actions{align-items:flex-start;flex-direction:column}.trust-line{gap:10px}.category-line{grid-template-columns:8px 1fr auto}.category-line p{display:none}footer{grid-template-columns:1fr}.foot-links{justify-content:flex-start}}