:root{--navy:#061f3b;--navy-2:#092d54;--blue:#1479ed;--blue-2:#56b7ff;--ink:#101828;--muted:#5b6b82;--line:#dce4ed;--pale:#f4f8fc;--white:#fff;--shadow:0 10px 30px rgba(18,51,86,.08);--radius:16px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.55}.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;top:8px;left:8px;z-index:99;transform:translateY(-150%);background:#fff;padding:10px 16px;border-radius:8px;color:#000}.skip-link:focus{transform:none}.site-header{position:sticky;top:0;z-index:50;background:rgba(5,30,58,.97);color:#fff;box-shadow:0 2px 12px rgba(0,0,0,.12);backdrop-filter:blur(12px)}.header-inner{width:min(1280px,calc(100% - 40px));height:76px;margin:auto;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:11px;color:inherit;text-decoration:none;white-space:nowrap}.brand strong{display:block;font-size:20px;line-height:1.05}.brand small{display:block;font-size:11px;opacity:.76}.brand-mark{position:relative;display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:linear-gradient(145deg,#60bcff,#1070df);box-shadow:inset 0 1px 0 rgba(255,255,255,.35)}.brand-mark i{position:absolute;width:22px;height:10px;border-radius:3px;background:#07315d;transform:rotate(32deg)}.brand-mark i+ i{transform:rotate(-32deg)}.search-box{height:44px;max-width:450px;flex:1;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid rgba(255,255,255,.4);border-radius:8px;color:#66809b;padding:0 13px;box-shadow:0 6px 20px rgba(0,0,0,.1)}.search-box input{width:100%;border:0;outline:0;font:inherit;color:#1d3047;background:transparent}.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}.main-nav a{color:#fff;text-decoration:none;font-size:14px;font-weight:600;opacity:.88}.main-nav a:hover,.main-nav a:focus{opacity:1;color:#70c4ff}.menu-toggle{display:none;margin-left:auto;color:#fff;background:transparent;border:1px solid rgba(255,255,255,.4);border-radius:8px;padding:8px 12px}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 80% 0,#e8f5ff 0,transparent 36%),linear-gradient(180deg,#f6faff 0,#fff 100%);border-bottom:1px solid #edf2f7}.hero-inner{position:relative;z-index:1;text-align:center;padding:74px 20px 66px}.eyebrow,.kicker{display:inline-block;color:#0874df;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800}.hero h1{max-width:900px;margin:12px auto 14px;font-size:clamp(35px,5vw,58px);line-height:1.08;letter-spacing:-.035em}.hero p{max-width:740px;margin:0 auto;color:var(--muted);font-size:18px}.hero-actions{display:flex;justify-content:center;align-items:center;gap:24px;margin-top:30px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:0 22px;border:0;border-radius:9px;background:var(--blue);color:#fff;text-decoration:none;font:700 14px inherit;cursor:pointer;box-shadow:0 7px 20px rgba(20,121,237,.25)}.button:hover{background:#0869d2}.button.secondary{background:#eaf3ff;color:#086bd5;box-shadow:none}.text-link{color:#0d65c8;text-decoration:none;font-weight:700}.hero-facts{display:flex;justify-content:center;gap:30px;margin:34px 0 0;padding:0;list-style:none;color:#4d637b;font-size:13px}.hero-facts li:before{content:"✓";display:inline-grid;place-items:center;width:18px;height:18px;margin-right:7px;color:#0877df;background:#dff1ff;border-radius:50%;font-weight:900}.hero-orb{position:absolute;border-radius:50%;filter:blur(1px);opacity:.35}.orb-one{width:290px;height:290px;left:-180px;top:-90px;background:#a5d8ff}.orb-two{width:170px;height:170px;right:8%;bottom:-110px;background:#70bfff}.section{padding-block:66px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.section-heading h2{margin:5px 0 0;font-size:32px;letter-spacing:-.025em}.section-heading>p{margin:0;color:var(--muted)}.brand-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.brand-card{position:relative;min-width:0;display:flex;flex-direction:column;min-height:184px;padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 2px 7px rgba(7,38,70,.03);transition:.2s ease}.brand-card:hover{transform:translateY(-3px);border-color:#a8cff6;box-shadow:var(--shadow)}.wordmark{height:53px;display:flex;align-items:center;color:var(--brand-color,#155ca5);font-size:25px;font-weight:900;letter-spacing:-.045em}.brand-card h3{margin:10px 0 0;font-size:15px}.brand-card p{margin:2px 0 13px;color:var(--muted);font-size:12px}.brand-card a{margin-top:auto;color:#0672df;text-decoration:none;font-size:13px;font-weight:750}.brand-card a:after{content:" →"}.search-status{min-height:0;margin-top:-14px;color:#53677d;font-size:14px}.search-status:not(:empty){margin-bottom:18px}.empty-state{text-align:center;padding:55px;border:1px dashed #bfcddd;border-radius:14px;background:#f8fbfe}.empty-state p{color:var(--muted)}.help-banner{display:flex;align-items:center;gap:16px;margin-top:20px;padding:18px 20px;border:1px solid #bcdafe;border-radius:10px;background:linear-gradient(100deg,#eef6ff,#e5f2ff)}.help-banner .info-icon{display:grid;place-items:center;flex:0 0 28px;height:28px;border-radius:50%;color:#fff;background:#1479ed;font-weight:800}.help-banner strong{display:block}.help-banner p{margin:2px 0;color:#4d6380;font-size:13px}.help-banner a{margin-left:auto;color:#096dd4;text-decoration:none;font-weight:700;font-size:13px;white-space:nowrap}.model-section{padding:56px 0 76px;background:linear-gradient(#f6faff,#fff)}.back-button{border:0;background:transparent;color:#126cc7;font:700 14px inherit;cursor:pointer;padding:0 0 20px}.model-header{display:flex;align-items:center;justify-content:space-between;min-height:200px;padding:36px;border-radius:20px;background:linear-gradient(125deg,#062b51,#0a477d);color:#fff;overflow:hidden}.model-header h2{margin:7px 0;font-size:42px;letter-spacing:-.03em}.model-header p{max-width:620px;margin:0;color:#c9dcec}.router-illustration{position:relative;width:230px;height:100px;border-radius:18px;background:linear-gradient(160deg,#f5f9fd,#b8d3e7);box-shadow:0 30px 50px rgba(0,0,0,.25);transform:perspective(400px) rotateY(-8deg)}.router-illustration:before,.router-illustration:after{content:"";position:absolute;bottom:72px;width:5px;height:95px;border-radius:4px;background:#9dbdd3}.router-illustration:before{left:35px;transform:rotate(-8deg)}.router-illustration:after{right:35px;transform:rotate(8deg)}.router-illustration span{position:absolute;left:24px;right:24px;top:30px;height:6px;border-radius:4px;background:#8fb2cc}.router-illustration i{position:relative;display:inline-block;width:7px;height:7px;margin:65px 0 0 24px;border-radius:50%;background:#14a1ff}.model-list{display:flex;flex-wrap:wrap;gap:9px;padding:28px 0}.model-chip{border:1px solid #ccd9e6;background:#fff;border-radius:999px;padding:9px 14px;color:#29435d;font:650 13px inherit;cursor:pointer}.model-chip:hover,.model-chip.active{border-color:#1479ed;color:#0870dc;background:#eff7ff}.guide-card{display:grid;grid-template-columns:280px 1fr;gap:40px;padding:38px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}.guide-title h3{font-size:25px;line-height:1.15;margin:12px 0 8px}.guide-title p{color:var(--muted);font-size:14px}.step-badge{display:inline-block;padding:5px 9px;border-radius:7px;background:#e8f3ff;color:#0871dc;font-size:11px;font-weight:800;text-transform:uppercase}.steps{margin:0;padding:0;counter-reset:steps;list-style:none}.steps li{position:relative;padding:0 0 23px 52px;counter-increment:steps}.steps li:not(:last-child):before{content:"";position:absolute;left:17px;top:36px;bottom:4px;width:1px;background:#cddbea}.steps li:after{content:counter(steps);position:absolute;left:0;top:0;display:grid;place-items:center;width:35px;height:35px;border-radius:50%;background:#e9f4ff;color:#0874df;font-weight:800}.steps strong{font-size:16px}.steps p{margin:3px 0;color:var(--muted);font-size:14px}.warning{grid-column:2;padding:14px;border-left:3px solid #f0a000;background:#fff8e8;color:#694b10;font-size:13px}.section-muted{background:#f4f8fc}.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.guide-grid article{padding:25px;border:1px solid #dce6ef;border-radius:14px;background:#fff}.guide-icon{display:grid;place-items:center;width:50px;height:50px;margin-bottom:18px;border-radius:13px;background:#eaf4ff;color:#0a72dc;font-size:15px;font-weight:900}.guide-grid h3{margin:0 0 8px;font-size:18px}.guide-grid p{min-height:66px;margin:0 0 14px;color:var(--muted);font-size:14px}.guide-grid a{color:#096fd6;text-decoration:none;font-size:13px;font-weight:750}.article-layout{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#dde6ef;border:1px solid #dde6ef;border-radius:14px;overflow:hidden}.article-layout article{display:flex;gap:20px;padding:28px;background:#fff}.article-layout article>span{color:#8cc7fa;font-size:26px;font-weight:900}.article-layout h3{margin:0 0 5px}.article-layout p{margin:0;color:var(--muted);font-size:14px}.about-section{padding:52px 0;background:#0a3b68;color:#fff}.about-inner{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:70px}.about-inner h2{margin:6px 0 0;font-size:31px}.about-inner p{color:#c8dbea}.kicker.light{color:#68c0ff}.site-footer{padding:48px 0 20px;background:#051d37;color:#ccdae8}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:50px}.footer-brand{color:#fff}.footer-grid p{max-width:240px;color:#92a8bd;font-size:13px}.footer-grid>div>strong{display:block;margin-bottom:13px;color:#fff;font-size:13px}.footer-grid>div>a:not(.brand){display:block;margin:7px 0;color:#aebfd0;text-decoration:none;font-size:13px}.footer-grid a:hover{color:#6dc4ff}.footer-bottom{display:flex;justify-content:space-between;margin-top:35px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-size:11px;color:#7991a8}
@media(max-width:1050px){.main-nav{gap:16px}.brand-grid{grid-template-columns:repeat(4,1fr)}.guide-grid{grid-template-columns:1fr 1fr}}
@media(max-width:820px){.header-inner{height:68px}.search-box{order:3;position:absolute;top:76px;left:20px;right:20px;max-width:none;display:none;border-color:#c8d8e8}.site-header.search-open{padding-bottom:58px}.site-header.search-open .search-box{display:flex;top:70px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;right:20px;flex-direction:column;align-items:stretch;gap:0;width:190px;padding:10px;border-radius:10px;background:#0b3157;box-shadow:0 10px 30px rgba(0,0,0,.25)}.main-nav.open{display:flex}.main-nav a{padding:10px}.hero-inner{padding-top:58px}.brand-grid{grid-template-columns:repeat(3,1fr)}.model-header{padding:28px}.router-illustration{display:none}.guide-card{grid-template-columns:1fr}.warning{grid-column:1}.about-inner{grid-template-columns:1fr;gap:12px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.container,.header-inner{width:min(100% - 28px,1180px)}.brand strong{font-size:17px}.brand-mark{width:34px;height:34px}.hero-inner{padding:45px 14px}.hero h1{font-size:36px}.hero p{font-size:16px}.hero-actions{flex-direction:column;gap:14px}.hero-facts{flex-wrap:wrap;gap:10px 18px}.section{padding-block:48px}.section-heading{display:block}.section-heading h2{font-size:28px}.section-heading>p{margin-top:6px}.brand-grid{grid-template-columns:1fr 1fr;gap:9px}.brand-card{min-height:165px;padding:15px}.wordmark{height:42px;font-size:21px}.help-banner{align-items:flex-start}.help-banner a{display:none}.model-header{min-height:170px;padding:24px}.model-header h2{font-size:32px}.guide-card{padding:24px}.guide-grid,.article-layout{grid-template-columns:1fr}.guide-grid p{min-height:0}.about-inner h2{font-size:27px}.footer-grid{grid-template-columns:1fr 1fr;gap:35px 20px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}}
@media(max-width:390px){.brand-grid{grid-template-columns:1fr}.brand-card{min-height:150px}.footer-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.brand-card{transition:none}}
.seo-model-card h3{display:block;margin:3px 18px 10px;font-size:18px}