:root{--ink:#0b2536;--ink-2:#153f55;--mint:#6ee7c7;--mint-soft:#dff9f1;--paper:#f7faf9;--white:#fff;--muted:#5f7180;--line:#d9e4e7;--amber:#ffbf69;--shadow:0 18px 50px #0b25361a;--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);text-rendering:optimizelegibility;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6}a{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline-offset:3px;outline:3px solid #168f77}img{max-width:100%;display:block}button,input{font:inherit}.shell{width:min(1120px,100% - 40px);margin-inline:auto}.site-header{z-index:20;backdrop-filter:blur(14px);background:#f7faf9e6;border-bottom:1px solid #d9e4e7cc;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:24px;min-height:72px;display:flex}.brand{letter-spacing:-.03em;align-items:center;gap:10px;font-size:1.2rem;font-weight:800;text-decoration:none;display:inline-flex}.brand>span>span{color:#168f77}nav{gap:28px;display:flex}nav a{color:var(--muted);font-size:.94rem;font-weight:650;text-decoration:none}nav a:hover{color:var(--ink)}.hero{background:radial-gradient(circle at 85% 15%,#6ee7c74d,#0000 28%),linear-gradient(#f7faf9 0%,#eef7f4 100%);padding:88px 0 70px;position:relative;overflow:hidden}.hero:after{content:"";border:1px solid #168f7729;border-radius:50%;height:260px;position:absolute;inset:auto -8% -130px 45%;transform:rotate(-8deg)}.hero-grid{grid-template-columns:1.2fr .8fr;align-items:center;gap:64px;display:grid}.eyebrow{color:#11745f;letter-spacing:.06em;text-transform:uppercase;background:#ffffffb3;border:1px solid #b9eadc;border-radius:999px;align-items:center;gap:8px;padding:7px 12px;font-size:.8rem;font-weight:800;display:inline-flex}.eyebrow:before{content:"";background:#20b88f;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 5px #20b88f1f}h1{letter-spacing:-.065em;max-width:760px;margin:22px 0 20px;font-size:clamp(2.7rem,6vw,5rem);line-height:.98}.hero-copy>p{max-width:650px;color:var(--muted);margin:0 0 30px;font-size:1.15rem}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.button{border:1px solid var(--ink);border-radius:12px;justify-content:center;align-items:center;min-height:48px;padding:12px 20px;font-weight:780;text-decoration:none;display:inline-flex}.button-primary{color:var(--white);background:var(--ink)}.button-secondary{color:var(--ink);background:#ffffffb8}.button:hover{transform:translateY(-1px);box-shadow:0 10px 25px #0b25361f}.lookup-note{color:var(--muted);align-items:center;gap:8px;margin-top:12px;font-size:.82rem;display:flex}.status-card{box-shadow:var(--shadow);background:#ffffffd9;border:1px solid #d9e4e7e6;border-radius:26px;padding:26px;position:relative}.device{border:2px solid var(--ink);background:#fff;border-radius:18px;width:180px;height:220px;margin:0 auto 24px;padding:14px}.device-top{border-bottom:2px solid var(--line);justify-content:space-between;align-items:center;height:35px;display:flex}.device-top span{background:var(--amber);border-radius:50%;width:10px;height:10px;box-shadow:0 0 0 5px #ffbf6933}.device-door{border:8px solid var(--ink);background:linear-gradient(135deg,#d9e9ed,#fff);border-radius:50%;place-items:center;width:118px;height:118px;margin:20px auto 0;display:grid}.device-door:after{content:"E18";color:#d86445;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:900}.progress{gap:12px;display:grid}.progress-row{grid-template-columns:28px 1fr auto;align-items:center;gap:10px;font-size:.88rem;display:grid}.progress-row i{background:var(--mint-soft);color:#11745f;border-radius:8px;place-items:center;width:26px;height:26px;font-style:normal;font-weight:900;display:grid}.progress-row small{color:var(--muted)}.section{padding:88px 0}.section-white{background:var(--white)}.section-head{justify-content:space-between;align-items:end;gap:30px;margin-bottom:36px;display:flex}.kicker{color:#168f77;letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;font-weight:850}h2{letter-spacing:-.045em;margin:7px 0 0;font-size:clamp(2rem,4vw,3rem);line-height:1.08}.section-head p{max-width:470px;color:var(--muted);margin:0}.cards{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);flex-direction:column;min-height:240px;padding:26px;text-decoration:none;transition:transform .2s,box-shadow .2s;display:flex}.card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}.card-icon{background:var(--mint-soft);border-radius:14px;place-items:center;width:48px;height:48px;margin-bottom:28px;font-size:1.35rem;display:grid}.card h3{margin:0 0 7px;font-size:1.2rem}.card p{color:var(--muted);margin:0;font-size:.92rem}.card span{color:#11745f;margin-top:auto;padding-top:22px;font-size:.88rem;font-weight:750}.guide-card{min-height:270px}.guide-meta{color:#11745f;letter-spacing:.08em;text-transform:uppercase;margin-bottom:22px;font-size:.78rem;font-weight:850}.guide-card h3{line-height:1.25}.steps{counter-reset:steps;grid-template-columns:repeat(3,1fr);gap:32px;display:grid}.step{border-left:1px solid var(--line);counter-increment:steps;padding:28px 26px 24px 64px;position:relative}.step:before{content:"0" counter(steps);color:#168f77;font-family:ui-monospace,monospace;font-weight:900;position:absolute;top:26px;left:18px}.step h3{margin:0 0 8px}.step p{color:var(--muted);margin:0;font-size:.92rem}.trust{color:#eaf7f3;background:var(--ink);border-radius:28px;grid-template-columns:.8fr 1.2fr;gap:55px;padding:40px;display:grid}.trust h2{color:#fff}.trust p{color:#b9cbd3}.checks{grid-template-columns:1fr 1fr;align-content:center;gap:14px;display:grid}.check{background:#ffffff0d;border:1px solid #ffffff1f;border-radius:14px;padding:17px 18px;font-size:.9rem}.check:before{content:"✓";color:var(--mint);margin-right:9px;font-weight:900}.prose{width:min(760px,100% - 40px);margin:0 auto;padding:70px 0 100px}.prose h1{font-size:clamp(2.4rem,5vw,4rem)}.prose h2{margin-top:2.2em;font-size:1.7rem}.prose h3{margin-top:1.8em;font-size:1.25rem}.prose p,.prose li{color:#405664}.prose li+li{margin-top:.55rem}.prose blockquote{border-left:4px solid var(--amber);background:#fff8ed;border-radius:8px;margin:28px 0;padding:18px 20px}.prose blockquote p{color:var(--ink);margin:0}.article-hero{width:min(1080px,100vw - 40px);margin:30px 50% 42px;transform:translate(-50%)}.article-hero img{width:100%;height:auto;box-shadow:var(--shadow);border-radius:22px;display:block}.guide-figure{width:min(960px,100vw - 40px);margin:30px 50% 38px;transform:translate(-50%)}.guide-figure picture,.guide-figure img{width:100%;height:auto;display:block}.guide-figure img{border:1px solid var(--line);background:#f7faf9;border-radius:18px}.diagram-zoom{cursor:zoom-in;display:block}.guide-figure figcaption{max-width:760px;color:var(--muted);margin:12px auto 0;font-size:.9rem;line-height:1.55}.article-sources{border-top:1px solid var(--line);margin-top:64px;padding-top:10px}.article-sources a{overflow-wrap:anywhere}.notice{border-left:4px solid var(--amber);background:#fff8ed;border-radius:8px;padding:18px 20px}.site-footer{color:#b9cbd3;background:#071c28;padding:60px 0 22px}.footer-grid{grid-template-columns:2fr 1fr 1fr;gap:60px;display:grid}.brand-footer{color:#fff}.footer-grid p{max-width:460px}.footer-grid>div:not(:first-child){flex-direction:column;gap:10px;display:flex}.footer-grid strong{color:#fff;margin-bottom:5px}.footer-grid a{color:#b9cbd3;font-size:.9rem;text-decoration:none}.footer-bottom{border-top:1px solid #ffffff1a;margin-top:45px;padding-top:20px;font-size:.8rem}@media (width<=820px){nav{display:none}.hero{padding-top:58px}.hero-grid,.trust{grid-template-columns:1fr}.status-card{max-width:450px}.cards,.steps{grid-template-columns:1fr}.section-head{flex-direction:column;align-items:start}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}@media (width<=520px){.shell{width:min(100% - 26px,1120px)}.hero{padding-bottom:48px}.hero-actions{flex-direction:column;align-items:stretch}.button{width:100%}.checks,.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.trust{padding:28px 22px}}