:root{--ink:#102634;--muted:#607481;--paper:#f5f8f8;--white:#fff;--line:#dbe6e8;--night:#071923;--teal:#17c6a3;--teal-dark:#087c6b;--teal-soft:#e7fbf5;--gold:#f4c861}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit}
.guide-wrap{width:min(960px,calc(100% - 38px));margin:0 auto}
.guide-header{background:rgba(245,248,248,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(16,38,52,.08);position:sticky;top:0;z-index:5}
.guide-nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:950;letter-spacing:-.8px;font-size:21px}.brand-mark{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:var(--teal);color:#03221b;box-shadow:0 10px 25px rgba(23,198,163,.2)}.brand-mark svg{width:22px;height:22px}.brand span span{color:#089e84}
.back{color:var(--teal-dark);font-size:12px;font-weight:900;text-decoration:none}
.article{padding:68px 0 92px}.crumbs{font-size:11px;color:var(--muted);margin-bottom:28px}.crumbs a{color:var(--teal-dark);font-weight:800;text-decoration:none}
.eyebrow{display:flex;align-items:center;gap:9px;color:var(--teal-dark);font-size:10px;letter-spacing:1.5px;text-transform:uppercase;font-weight:950}.eyebrow:before{content:"";width:24px;height:2px;background:currentColor}
h1{font-size:clamp(42px,6vw,70px);line-height:1.02;letter-spacing:-3.5px;max-width:850px;margin:16px 0 20px}.lead{font-size:20px;line-height:1.5;color:#4f6571;max-width:780px;margin:0}
.article-meta{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 42px}.article-meta span{font-size:10px;font-weight:900;letter-spacing:.4px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 10px;color:#536a76}
.article-grid{display:grid;grid-template-columns:1fr 280px;gap:52px;align-items:start}.content{min-width:0}.content h2{font-size:31px;line-height:1.1;letter-spacing:-1.3px;margin:42px 0 13px}.content h3{font-size:20px;line-height:1.2;margin:25px 0 7px}.content p{font-size:16px;color:#3f5865;margin:0 0 16px}.content ul{padding-left:22px;color:#3f5865}.content li{margin:7px 0}.step-list{display:grid;gap:12px;margin:22px 0 28px}.step{background:#fff;border:1px solid var(--line);border-radius:17px;padding:19px 20px}.step strong{display:block;font-size:16px}.step span{display:block;font-size:14px;color:var(--muted);margin-top:4px}
.callout{background:linear-gradient(135deg,#0a2c31,#0d4241);color:#fff;border-radius:22px;padding:26px;margin:28px 0}.callout h2{font-size:24px;margin:0 0 8px;color:#fff}.callout p,.callout li{color:#c9dedb;font-size:14px}.callout ul{margin-bottom:0}
.side{position:sticky;top:101px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}.side strong{display:block;font-size:13px;margin-bottom:12px}.side a{display:block;color:var(--teal-dark);font-size:12px;font-weight:850;text-decoration:none;border-top:1px solid var(--line);padding:10px 0}.side a:first-of-type{border-top:0}.source-note{font-size:12px!important;color:#73858e!important;border-left:3px solid var(--gold);padding-left:13px;margin-top:24px!important}.article-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}.btn{border-radius:13px;padding:12px 16px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;text-decoration:none}.btn-main{background:var(--teal);color:#05251f;box-shadow:0 13px 28px rgba(23,198,163,.22)}.btn-dark{background:var(--night);color:#fff}
.guide-footer{background:var(--night);color:#a9bbc4;padding:28px 0;font-size:11px}.guide-footer a{color:#9af3de;text-decoration:none;font-weight:800}.footer-row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:780px){.guide-nav{height:67px}.article{padding-top:43px}.article-grid{grid-template-columns:1fr;gap:28px}.side{position:static;order:-1}.lead{font-size:18px}h1{letter-spacing:-2.4px}.content h2{font-size:27px}}
@media(max-width:480px){.guide-wrap{width:calc(100% - 26px)}.brand{font-size:18px}.back{font-size:11px}.article-meta{margin-bottom:30px}}