:root{--blue:#0a4fa3;--blue2:#0b66d1;--light:#eaf2fc;--ink:#0d1b2a;--muted:#4a5a6b;--ok:#0f7a3d;--warn:#a34a00;--line:#cfdbea}
*{box-sizing:border-box}body{margin:0;font:19px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:#f7fafd}
a{color:var(--blue)}.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:9}
.top{background:var(--blue);color:#fff}.top .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:14px 20px}
.logo{color:#fff;font-weight:800;font-size:28px;text-decoration:none}.logo span{background:#fff;color:var(--blue);border-radius:6px;padding:0 6px;margin:0 2px}
.top nav a{color:#fff;margin-left:18px;font-weight:600;text-decoration:none}nav a:hover{text-decoration:underline}
.banner{background:#fff3cd;color:#5c4100;text-align:center;padding:10px;font-weight:700;border-bottom:2px solid #e0b100}
.hero{text-align:center;padding:50px 0 20px}.hero h1{font-size:40px;margin:0 0 8px}.hero p{color:var(--muted);margin:0 0 24px}
.search{position:relative;max-width:820px;margin:0 auto}.search input{width:100%;font-size:26px;padding:22px 24px;border:3px solid var(--blue);border-radius:16px;outline:none;box-shadow:0 6px 20px rgba(10,79,163,.12)}
.search input:focus{border-color:var(--blue2);box-shadow:0 0 0 5px rgba(11,102,209,.25)}
.hint{color:var(--muted);font-size:16px;margin-top:10px}
h2{font-size:28px;margin:36px 0 14px}.crumbs{margin:20px 0;font-size:17px}.crumbs a{font-weight:600}.crumbs span{color:var(--muted);margin:0 8px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.card{display:block;background:#fff;border:2px solid var(--line);border-radius:14px;padding:20px;text-decoration:none;color:var(--ink);transition:.15s}
.card:hover,.card:focus{border-color:var(--blue2);box-shadow:0 6px 18px rgba(10,79,163,.15);transform:translateY(-2px)}
.card .mark{display:flex;align-items:center;justify-content:center;height:64px;border-radius:10px;background:var(--light);color:var(--blue);font-weight:800;font-size:24px;margin-bottom:12px;text-align:center}
.card b{display:block;font-size:21px}.card small{color:var(--muted);font-size:16px}
.tile{text-align:center;font-weight:700;font-size:20px}.tile .ic{font-size:40px;display:block}
.az{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}.az a,.az span{min-width:40px;text-align:center;padding:6px;border-radius:8px;background:#fff;border:1px solid var(--line);font-weight:700;text-decoration:none}.az span{color:#aab}
.filters{display:flex;flex-wrap:wrap;gap:12px;margin:10px 0 18px}.filters select{font-size:18px;padding:10px 14px;border:2px solid var(--line);border-radius:10px;background:#fff}
.doc{display:flex;align-items:center;gap:16px;justify-content:space-between;flex-wrap:wrap;background:#fff;border:2px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:12px}
.doc h3{margin:0 0 6px;font-size:21px}.meta{display:flex;flex-wrap:wrap;gap:8px;font-size:15px;color:var(--muted)}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-weight:700;font-size:14px;background:var(--light);color:var(--blue)}
.b-oem{background:#e2f5ea;color:var(--ok)}.b-arc{background:#efe9fb;color:#5b2fa8}.b-ok{background:#e2f5ea;color:var(--ok)}.b-res{background:#fdeedd;color:var(--warn)}
.btn{display:inline-block;font-size:21px;font-weight:800;padding:14px 30px;border-radius:12px;background:var(--blue);color:#fff;text-decoration:none;min-width:170px;text-align:center}
.btn:hover,.btn:focus{background:var(--blue2);outline:3px solid #9cc3f5}.btn.req{background:#fff;color:var(--warn);border:3px solid var(--warn)}
.results .card{padding:16px}.empty{background:#fff;border:2px dashed var(--line);border-radius:14px;padding:30px;text-align:center;color:var(--muted)}
.foot{color:var(--muted);font-size:15px;padding:40px 20px;text-align:center}.prose{max-width:800px}.prose li{margin-bottom:8px}.muted{color:var(--muted)}
@media(max-width:600px){body{font-size:18px}.hero h1{font-size:30px}.search input{font-size:21px;padding:18px}.doc .btn{width:100%}nav a{margin-left:10px}}
.tiles{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.tiles .tile{padding:28px 16px;font-size:22px}.tiles .tile .ic{font-size:52px}
.tiles .tile:nth-child(-n+3){border-color:#9cc3f5;background:linear-gradient(#fff,var(--light))}
.help details{background:#fff;border:2px solid var(--line);border-radius:12px;margin-bottom:10px;padding:4px 18px}
.help summary{cursor:pointer;font-weight:700;font-size:20px;padding:12px 0}.help li{margin-bottom:6px}
.ec{width:100%;font-size:20px;padding:12px;border:2px solid var(--blue);border-radius:10px;margin-bottom:10px}
.code{background:var(--light);border-radius:8px;padding:10px 12px;margin-bottom:8px}.suggest{color:var(--muted);margin-top:16px}
.card.ro{opacity:.75;border-style:dashed}
.contact{background:var(--light);border-radius:12px;padding:14px 18px;margin:8px 0 14px}.contact h3{margin:0 0 8px}
.contact dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:0}.contact dt{font-weight:700;color:var(--muted)}.contact dd{margin:0}
.contact a.big{font-size:22px;font-weight:800}.note{font-size:15px;color:var(--muted)}.src,a.src{font-size:14px;color:var(--muted)}
.brandct{background:#fff;border:2px solid var(--line);border-radius:12px;padding:4px 18px;margin-top:10px}.brandct summary{cursor:pointer;font-weight:700;font-size:20px;padding:12px 0}
@media(max-width:600px){.contact dl{grid-template-columns:1fr}}
.logo{display:inline-flex;align-items:center;gap:8px}.logo img{border-radius:8px;background:#fff}
.sponsor{display:block;margin:24px 0;padding:14px 18px;border:2px solid #e6d9a8;background:#fffbea;border-radius:12px;color:var(--ink);text-decoration:none}.sponsor .lbl{font-size:12px;font-weight:700;color:#7a5d00;text-transform:uppercase}
.foot p{margin:6px 0}
.search.mini{max-width:none;margin:0 0 10px}.search.mini input{font-size:19px;padding:12px 16px;border-width:2px;box-shadow:none}
.codes{width:100%;border-collapse:collapse;font-size:16px;margin-bottom:12px}.codes th,.codes td{border-bottom:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}.codes th{background:var(--light)}
.help h3{font-size:18px;margin:14px 0 4px}
.logo .wm{font-weight:800}
@media(max-width:600px){.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.card{padding:14px}.card b{font-size:17px}.card .mark{height:48px;font-size:17px}.tiles .tile{padding:16px 8px;font-size:16px}.tiles .tile .ic{font-size:36px}.contact a.big{font-size:19px}}
.catbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:8px 0 6px}.catbar input{flex:1 1 320px;font-size:20px;padding:14px 16px;border:3px solid var(--blue);border-radius:12px}
.catbar select{font-size:18px;padding:10px 12px;border:2px solid var(--line);border-radius:10px;background:#fff}.count{color:var(--muted);font-weight:600;margin:6px 0 12px}
.card[hidden]{display:none}

/* ===== Layout shell + ads ===== */
.shell{max-width:1100px;margin:0 auto}
.shell>main.wrap{max-width:1100px}
@media(min-width:1280px){
 body.has-rails .shell{max-width:1440px;display:grid;grid-template-columns:120px minmax(0,1fr) 300px;gap:28px;padding:0 20px;align-items:start}
 body.has-rails .shell>main.wrap{padding:0;max-width:none;min-width:0}
 body.has-rails .rail{position:sticky;top:20px;margin-top:24px}
}
@media(min-width:1500px){body.has-rails .shell{max-width:1560px;grid-template-columns:160px minmax(0,1fr) 300px}}
@media(max-width:1279px){.rail{display:none}}
body:not(.has-rails) .rail{display:none}
.ad{display:none}
.ad.on{display:flex;flex-direction:column;align-items:center;margin:32px auto;max-width:100%}
.ad .lbl{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#8a96a3;margin-bottom:4px;align-self:center}
.ad .box{max-width:100%;overflow:hidden;border-radius:6px;flex:none}
.rail .ad.on{margin:0}
.adrow{grid-column:1/-1}.adrow .ad.on{margin:12px auto}
.adpair{display:flex;flex-wrap:wrap;justify-content:center;gap:0 32px;margin:16px 0}.adpair .ad.on{margin:16px 0}
.mockad{width:100%;height:100%;box-sizing:border-box;border-radius:6px;position:relative;font-family:inherit}
.mockad.gray{background:#eef1f5;border:1px solid #dbe1e8;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#7b8794}
.mockad.gray span{font-weight:700;font-size:15px;letter-spacing:.04em}.mockad.gray small{font-size:11px;text-transform:uppercase;letter-spacing:.08em;margin-top:2px}
.mockad .samp{position:absolute;top:6px;right:8px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;background:rgba(255,255,255,.85);color:#555;padding:1px 6px;border-radius:4px}
.mockad>small{position:absolute;bottom:5px;right:8px;font-size:10px;color:rgba(255,255,255,.75)}
.mockad.creative{background:linear-gradient(160deg,var(--k),#0d1b2a);color:#fff;padding:22px 20px;display:flex;flex-direction:column;justify-content:center;gap:8px}
.mockad.creative b{font-size:21px;line-height:1.2}.mockad.creative p{margin:0;font-size:14px;line-height:1.4;opacity:.9}
.mockad.creative .cta{align-self:flex-start;background:#fff;color:var(--k);font-weight:800;font-size:14px;padding:8px 14px;border-radius:999px;margin-top:6px}
.mockad.strip{background:linear-gradient(90deg,var(--k),#0d1b2a);color:#fff;display:flex;align-items:center;gap:16px;padding:0 70px 0 18px}
.mockad.strip b{font-size:17px;white-space:nowrap}.mockad.strip .t{font-size:13px;opacity:.85;flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.mockad.strip .cta{background:#fff;color:var(--k);font-weight:800;font-size:13px;padding:6px 12px;border-radius:999px;white-space:nowrap}
.mockad.strip .samp{top:4px}
.card.adnative{background:#fbfcfe;border:1px solid var(--line);border-left:4px solid #c9d3df;cursor:default}
.card.adnative .lbl{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#8a96a3;margin-bottom:6px}
.card.adnative b{font-size:18px}
.sponsor{display:block;margin:20px 0;padding:14px 18px;border:1px solid #e6dcb4;background:#fffbea;border-radius:12px;color:var(--ink);text-decoration:none}
.sponsor .lbl{display:block;font-size:11px;font-weight:700;color:#7a5d00;text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px}
.sponsor.mock{border-style:dashed}
.anchor{position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 14px rgba(0,0,0,.08);display:flex;justify-content:center;padding:4px 0 6px}
.anchor .ad.on{margin:0}.anchor .ad .lbl{display:none}
.anchor button{position:absolute;top:-26px;right:8px;width:26px;height:26px;border-radius:13px 13px 0 0;border:1px solid var(--line);border-bottom:0;background:#fff;font-size:18px;line-height:1;color:#555;cursor:pointer}
body.has-anchor{padding-bottom:64px}
@media(min-width:768px){.anchor{display:none}body.has-anchor{padding-bottom:0}}
@media(min-width:1280px){body.has-rails .top .wrap,body.has-rails .foot{max-width:1400px}}
@media(min-width:1280px){body.has-rails .shell>main.wrap{margin:0;width:100%}}
.mockad.creative.narrow{padding:26px 10px;gap:6px}.mockad.creative.narrow b{font-size:15px;word-break:break-word}.mockad.creative.narrow p{font-size:12px}.mockad.creative.narrow .cta{font-size:12px;padding:6px 10px}
.mockad.gray>small{position:static;color:#8a96a3}

main[data-app]{min-height:100vh}