.belt-guide-hero{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(22px,3vw,40px);min-height:650px;padding:clamp(18px,2.3vw,32px);background:linear-gradient(135deg,#fff 0%,#f8faf6 100%)}.belt-guide-hero-copy{display:flex;padding:58px max(14px,calc((100vw - 1180px)/2 - 18px));flex-direction:column;justify-content:center}.belt-guide-hero .breadcrumbs{margin-bottom:38px;color:#66756b}.belt-guide-hero .breadcrumbs a{color:var(--green)}
.belt-guide-hero h1{max-width:680px;margin:0;font-size:clamp(3.4rem,6.6vw,6.6rem);line-height:.9;letter-spacing:-.065em}.belt-guide-hero-copy>p{max-width:650px;margin:28px 0 0;color:#3e4d43;font-size:1.12rem}.belt-guide-actions{display:flex;gap:14px 22px;align-items:center;margin-top:34px;flex-wrap:wrap}.belt-guide-link{display:inline-flex;align-items:center;min-height:44px;color:var(--green);font-weight:850;text-underline-offset:.22em}.belt-guide-link:hover,.belt-guide-link:focus-visible{text-decoration:underline}
.belt-guide-hero-media{position:relative;min-height:560px;margin:0;overflow:hidden;border-radius:calc(var(--radius) + 6px);background:#15241b;box-shadow:0 0 0 1px rgba(0,0,0,.06),0 18px 45px -18px rgba(13,31,19,.34)}.belt-guide-hero-media img{width:100%;height:100%;object-fit:cover;outline:1px solid rgba(0,0,0,.1);outline-offset:-1px}.belt-guide-hero-media figcaption{position:absolute;right:26px;bottom:23px;max-width:calc(100% - 52px);padding:8px 11px;border-radius:10px;background:rgba(8,18,12,.86);color:#fff;font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;box-shadow:0 0 0 1px rgba(255,255,255,.1)}
.belt-guide-section{padding:94px 0;background:#fff}.belt-guide-heading{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end;margin-bottom:50px}.belt-guide-heading.compact{margin-bottom:30px}.belt-guide-heading h2,.belt-unknown-layout h2{margin:0;font-size:clamp(2.5rem,5vw,4.6rem);line-height:.96;letter-spacing:-.05em}.belt-guide-heading p{margin:0;color:var(--muted);font-size:1.04rem}
.belt-guide-steps{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:0;padding:0;list-style:none}.belt-guide-steps li{display:grid;grid-template-columns:64px 1fr;gap:20px;min-height:100%;padding:26px 28px;border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-border);transition-property:transform,box-shadow,background-color;transition-duration:180ms;transition-timing-function:cubic-bezier(.22,1,.36,1)}.belt-guide-steps li:hover,.belt-guide-steps li:focus-within{transform:translateY(-2px);box-shadow:var(--shadow-border-hover);background:#fbfcfa}.belt-guide-steps>li>span{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;background:#eef6e9;color:var(--green);font-size:1.45rem;font-weight:950;line-height:1}.belt-guide-steps h3{margin:0 0 8px;font-size:1.42rem}.belt-guide-steps p{margin:0;color:#435148}.belt-size-example{display:flex;gap:12px;align-items:baseline;margin-top:18px;padding:17px 20px;border:0;border-radius:14px;background:#f5f8f3;box-shadow:inset 0 0 0 1px rgba(47,143,59,.18);flex-wrap:wrap}.belt-size-example strong{color:var(--green);font-size:1.7rem;font-variant-numeric:tabular-nums}.belt-size-example small{color:#58675d}
.belt-requirement-section{padding:94px 0;background:linear-gradient(180deg,#eef2ed 0%,#f8faf6 100%)}.requirement-sheet{overflow:hidden;border:0;border-radius:22px;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.06),0 18px 45px rgba(18,35,23,.08)}.requirement-sheet-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 20px 18px 26px;border-bottom:1px solid var(--line);background:#fbfcfa}.requirement-sheet-head strong{font-size:1.05rem}.requirement-sheet-head button{min-height:44px;padding:0 16px;border:0;border-radius:12px;background:#fff;color:var(--green);box-shadow:var(--shadow-border);font:inherit;font-size:.82rem;font-weight:850;cursor:pointer;transition-property:scale,box-shadow,background-color,color;transition-duration:150ms;transition-timing-function:ease-out}.requirement-sheet-head button:hover,.requirement-sheet-head button:focus-visible{background:var(--green);color:#fff;box-shadow:var(--shadow-border-hover)}.requirement-sheet-head button:active{scale:.96}.requirement-sheet pre{margin:0;padding:28px 30px;color:#1b271e;font:700 1rem/2.15 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap}.requirement-sheet>p{margin:0;padding:17px 28px;background:#f6f7f5;color:#536158;font-size:.86rem}.copy-status{display:block;min-height:1.4em;padding:0 28px 14px;color:var(--green);font-size:.82rem;font-weight:850}
.belt-unknown-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:75px;align-items:start}.belt-unknown-layout>div>p{max-width:720px;color:#405047;font-size:1.08rem}.belt-unknown-layout a{color:var(--green);font-weight:850;text-decoration:underline;text-underline-offset:3px}.belt-unknown-layout aside{position:relative;padding:30px 30px 28px;border-radius:18px;background:#f0f5ed;box-shadow:var(--shadow-border)}.belt-unknown-layout aside:before{content:"";position:absolute;inset:18px auto 18px 0;width:4px;border-radius:999px;background:var(--lime)}.belt-unknown-layout aside strong{font-size:1.15rem}.belt-unknown-layout aside p{color:#455348}.belt-unknown-layout aside a{display:inline-flex;align-items:center;min-height:44px;margin-top:5px;text-decoration:none;text-underline-offset:.22em}.belt-unknown-layout aside a:hover,.belt-unknown-layout aside a:focus-visible{text-decoration:underline}
.belt-guide-cta{padding:70px 0;background:radial-gradient(circle at 18% 10%,rgba(155,211,49,.18),transparent 34%),#0f2819;color:#fff}.belt-guide-cta .container{display:grid;grid-template-columns:1fr auto;gap:50px;align-items:center}.belt-guide-cta h2{margin:0 0 10px;font-size:clamp(2.3rem,4vw,4rem);line-height:1}.belt-guide-cta p{max-width:650px;margin:0;color:#c8d6cb}.belt-guide-cta .container>div:last-child{display:flex;gap:12px;flex-wrap:wrap}.belt-guide-cta .button-ghost{border-color:rgba(255,255,255,.26);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.1)}.belt-guide-cta .button-ghost:hover,.belt-guide-cta .button-ghost:focus-visible{background:#fff;border-color:#fff;color:var(--ink);filter:none}
.belt-related{padding:58px 0 72px;background:#f7f8f6}.belt-related h2{margin:0 0 24px;font-size:1.5rem}.belt-related .container>div{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.belt-related a{display:flex;min-height:150px;padding:24px 22px;flex-direction:column;border-radius:16px;background:#fff;box-shadow:var(--shadow-border);transition-property:transform,box-shadow,background-color;transition-duration:180ms;transition-timing-function:cubic-bezier(.22,1,.36,1)}.belt-related a:hover,.belt-related a:focus-visible{transform:translateY(-2px);box-shadow:var(--shadow-border-hover);background:#fbfcfa}.belt-related strong{color:var(--ink);font-size:1.04rem}.belt-related span{margin-top:auto;padding-top:18px;color:var(--green);font-size:.84rem;font-weight:800}
@media(max-width:900px){.belt-guide-hero{grid-template-columns:1fr}.belt-guide-hero-copy{padding:50px max(6px,calc((100vw - 700px)/2))}.belt-guide-hero-media{min-height:420px}.belt-guide-steps{grid-template-columns:1fr}.belt-guide-heading,.belt-unknown-layout,.belt-guide-cta .container{grid-template-columns:1fr;gap:24px}.belt-guide-cta .container>div:last-child{margin-top:10px}}
@media(max-width:620px){.belt-guide-hero{padding:0;gap:0}.belt-guide-hero h1{font-size:clamp(3rem,15vw,4.8rem)}.belt-guide-hero-copy{padding:52px 20px}.belt-guide-hero-media{min-height:330px;border-radius:0;box-shadow:none}.belt-guide-section,.belt-requirement-section{padding:66px 0}.belt-guide-steps li{grid-template-columns:48px 1fr;gap:12px;padding:22px 18px}.belt-guide-steps>li>span{width:42px;height:42px;border-radius:12px;font-size:1.18rem}.requirement-sheet pre{padding:22px 18px;font-size:.82rem}.requirement-sheet-head{align-items:flex-start;padding:16px 18px;flex-direction:column}.belt-guide-cta .button{width:100%}.belt-related .container>div{grid-template-columns:1fr}}