:root{--ink:#132238;--muted:#5c6b80;--line:#d9e5ef;--paper:#fff;--canvas:#f5f9fc;--brand-deep:#0b3553;--brand:#1b8ede;--brand-dark:#0b5f96;--accent:#bfe8ff;--orange:#f60;--shadow:0 18px 45px #0b35531a;--radius-sm:10px;--radius:18px;--radius-lg:28px;--container:1180px;color:var(--ink);background:var(--canvas);font-synthesis:none;text-rendering:optimizelegibility;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(circle at 10% -10%, #1b8ede24, transparent 30rem), var(--canvas);min-width:320px;color:var(--ink);margin:0;line-height:1.65}img{max-width:100%;height:auto;display:block}a{color:var(--brand-dark);text-underline-offset:.18em}a:hover{color:var(--brand-deep)}button,input{font:inherit}:focus-visible{outline:3px solid var(--orange);outline-offset:3px}.container{width:min(calc(100% - 40px), var(--container));margin-inline:auto}.skip-link{z-index:100;background:var(--paper);color:var(--brand-deep);border-radius:8px;padding:10px 14px;position:fixed;top:8px;left:8px;transform:translateY(-150%)}.skip-link:focus{transform:none}.site-header{z-index:20;border-top:4px solid var(--brand);backdrop-filter:blur(14px);background:#0b5f96f7;border-bottom:1px solid #ffffff1a;position:sticky;top:0;box-shadow:0 6px 24px #093d632e}.header-inner{align-items:center;gap:clamp(20px,3vw,42px);min-height:76px;display:flex}.brand{flex:0 250px}.brand img{width:min(250px,100%)}.desktop-nav{flex:1;justify-content:center;align-items:center;gap:clamp(14px,2vw,28px);display:flex}.desktop-nav a,.search-link{color:#f7fbff;font-size:.93rem;font-weight:700;text-decoration:none}.desktop-nav a:hover,.search-link:hover{color:var(--accent)}.desktop-nav a[aria-current=page]{color:#fff;text-decoration:underline 3px var(--orange);text-underline-offset:.55rem}.search-link{white-space:nowrap;align-items:center;gap:7px;display:inline-flex}.search-link span[aria-hidden]{font-size:1.7rem;line-height:1}.mobile-menu{color:#fff;margin-left:auto;display:none}.mobile-menu summary{cursor:pointer;border:1px solid #ffffff3d;border-radius:8px;padding:8px 12px;font-weight:800;list-style:none}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{border:1px solid var(--line);width:min(280px,100vw - 40px);box-shadow:var(--shadow);background:#fff;border-radius:14px;display:grid;position:absolute;top:68px;right:20px;overflow:hidden}.mobile-menu nav a{border-bottom:1px solid var(--line);color:var(--brand-deep);padding:12px 16px;font-weight:700;text-decoration:none}.mobile-menu nav a[aria-current=page]{border-left:4px solid var(--orange);color:var(--brand-dark)}.hero{color:#fff;background:var(--brand-deep);padding:clamp(58px,8vw,106px) 0 72px;position:relative;overflow:hidden}.hero:before,.hero:after{content:"";filter:blur(2px);border-radius:50%;position:absolute}.hero:before{border:70px solid #bfe8ff24;width:460px;height:460px;top:-280px;right:4%}.hero:after{background:#1b8ede42;width:280px;height:280px;bottom:-220px;right:18%}.hero-grid{z-index:1;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);align-items:center;gap:clamp(40px,8vw,100px);display:grid;position:relative}.eyebrow{color:var(--brand-dark);letter-spacing:.12em;text-transform:uppercase;align-items:center;gap:8px;margin-bottom:10px;font-size:.76rem;font-weight:900;text-decoration:none;display:inline-flex}.hero .eyebrow{color:var(--accent)}.hero h1,.article-header h1,.archive-header h1,.static-hero h1{letter-spacing:-.055em;margin:0;font-size:clamp(2.5rem,6vw,5.2rem);font-weight:850;line-height:.98}.hero h1{max-width:850px}.hero-copy>p{color:#d9ecf8;max-width:720px;margin:28px 0 0;font-size:clamp(1.05rem,1.7vw,1.3rem)}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:32px;display:flex}.button{background:var(--brand-dark);color:#fff;border:1px solid #0000;border-radius:12px;justify-content:center;align-items:center;gap:8px;min-height:48px;padding:11px 19px;font-weight:850;text-decoration:none;transition:transform .16s,background .16s;display:inline-flex}.button:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px)}.button.accent{background:var(--accent);color:var(--brand-deep)}.button.ghost{background:0 0;border-color:#ffffff52}.hero-panel{border-radius:var(--radius-lg);background:#ffffff14;border:1px solid #ffffff21;padding:26px;box-shadow:0 28px 70px #00000029}.hero-panel strong{color:var(--accent);margin-bottom:14px;display:block}.hero-panel ol{counter-reset:safety;gap:16px;margin:0;padding:0;list-style:none;display:grid}.hero-panel li{color:#eef8ff;counter-increment:safety;grid-template-columns:34px 1fr;align-items:start;gap:12px;display:grid}.hero-panel li:before{background:var(--brand-dark);content:counter(safety);border-radius:50%;place-items:center;width:32px;height:32px;font-size:.83rem;font-weight:900;display:grid}.quick-guides{z-index:2;margin-top:-34px;position:relative}.quick-grid{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}.quick-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);min-height:145px;box-shadow:var(--shadow);color:var(--ink);padding:22px;text-decoration:none}.quick-card:hover{border-color:var(--brand);color:var(--ink);transform:translateY(-2px)}.quick-card span{width:42px;height:42px;color:var(--brand-dark);background:#e8f5fd;border-radius:12px;place-items:center;margin-bottom:20px;font-weight:900;display:grid}.quick-card strong{font-size:1.08rem;line-height:1.3;display:block}.section{padding:clamp(58px,8vw,96px) 0}.section-soft{background:#eef7fd}.section-action{margin:28px 0 0}.section-heading{justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px;display:flex}.section-heading h2{letter-spacing:-.04em;max-width:760px;margin:0;font-size:clamp(2rem,4vw,3.5rem);line-height:1.05}.section-heading p{max-width:500px;color:var(--muted);margin:0}.post-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.post-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);overflow:hidden;box-shadow:0 10px 30px #0b35530f}.post-card-image{background:#eaf2f8;place-items:center;height:210px;display:grid;overflow:hidden}.post-card-image img{object-fit:cover;width:100%;height:100%;transition:transform .28s}.post-card:hover .post-card-image img{transform:scale(1.025)}.post-card-image.placeholder{color:var(--brand-dark);background:linear-gradient(135deg,#1b8ede1f,#bfe8ff73),#edf5fa;font-size:2rem;text-decoration:none}.post-card-body{padding:22px}.post-card h2{letter-spacing:-.025em;margin:0 0 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strong{margin-bottom:3px;display:block}.page-shell{padding-top:24px;padding-bottom:clamp(64px,8vw,100px)}.breadcrumbs{color:var(--muted);margin:0 0 28px;font-size:.84rem}.breadcrumbs ol{flex-wrap:wrap;gap:7px;margin:0;padding:0;list-style:none;display:flex}.breadcrumbs li:not(:last-child):after{color:#93a5b7;content:"/";margin-left:7px}.breadcrumbs a{color:var(--muted)}.article-layout{grid-template-columns:minmax(0,780px) minmax(250px,320px);align-items:start;gap:clamp(40px,6vw,74px);display:grid}.article-header{border-bottom:1px solid var(--line);padding-bottom:28px}.article-header h1{font-size:clamp(2.35rem,5vw,4.5rem)}.article-lead{color:var(--muted);margin:22px 0 0;font-size:1.17rem}.article-meta{color:var(--muted);flex-wrap:wrap;gap:8px 18px;margin-top:20px;font-size:.86rem;display:flex}.article-content{color:#253447;padding-top:8px;font-family:Georgia,Cambria,Times New Roman,serif;font-size:1.08rem;line-height:1.82}.article-content>:first-child{margin-top:0}.article-content 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h1{font-size:clamp(2.55rem,13vw,4rem)}.quick-grid,.post-grid,.related-grid,.footer-grid{grid-template-columns:1fr}.quick-card{min-height:auto}.section-heading{display:block}.section-heading p{margin-top:14px}.article-header h1{font-size:clamp(2.2rem,11vw,3.5rem)}.article-content{font-size:1.02rem}.article-content table{display:block;overflow-x:auto}.search-form{display:grid}.footer-grid{gap:34px}.footer-bottom{display:block}.footer-bottom a{margin-top:10px;display:inline-block}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}