:root{--navy:#142159;--ink:#0f1b2d;--muted:#5b6b8c;--teal:#0a8f83;--teal2:#2dd4bf;--line:#e4e9f4;--bg:#f6f8fc}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',system-ui,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}
.ph{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 32px;height:64px;background:rgba(8,18,36,.86);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.1)}
.ph-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;letter-spacing:.3px;line-height:1}
.ph-brand:hover{text-decoration:none}
.ph-mark{width:32px;height:32px;border-radius:8px;overflow:hidden;display:flex;background:linear-gradient(135deg,#07111f,#142159 48%,#07625b);border:1px solid rgba(255,255,255,.18)}
.cg-mark{width:100%;height:100%;display:block}
.ph-accent{color:var(--teal2)}
.ph-nav{display:flex;align-items:center;gap:6px}
.ph-nav a{color:rgba(255,255,255,.85);padding:8px 14px;border-radius:6px;font-size:14px;font-weight:600}
.ph-nav a:hover{background:rgba(255,255,255,.1);text-decoration:none}
.ph-cta{background:#fff;color:var(--navy)!important}
.ph-cta:hover{background:#e8eaf6}
.crumb{max-width:980px;margin:0 auto;padding:14px 24px 0;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb span{color:var(--ink);font-weight:600}
main{max-width:980px;margin:0 auto;padding:0 24px 64px}
.hub-main{max-width:1280px;padding:0 32px 64px}
.hero{padding:28px 0 8px}
.hero-tag{display:inline-block;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;color:var(--teal);background:#e6f7f4;border:1px solid #bfeae3;padding:4px 10px;border-radius:999px}
.hero h1{font-size:34px;line-height:1.2;margin:14px 0 10px;color:var(--ink)}
.lede{font-size:16px;color:#33415c;margin:0 0 6px;max-width:760px}
.sub{font-size:15px;color:var(--muted);margin:0 0 18px;max-width:760px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}
.cta-row.center{justify-content:center}
.btn{display:inline-block;padding:12px 22px;border-radius:8px;font-weight:700;font-size:15px}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:#1c2d72}
.btn-ghost{background:#fff;color:var(--navy);border:1px solid var(--line)}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0 8px}
.fact{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center}
.fact-n{font-size:24px;font-weight:800;color:var(--navy)}
.fact-l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;margin-top:4px}
.block{margin-top:36px}
.block h2{font-size:22px;margin:0 0 14px;color:var(--ink)}
.muted{color:var(--muted);font-size:14px;margin:-6px 0 16px}
.domains{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.domains li{display:flex;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px;font-weight:600}
.dcount{color:var(--muted);font-weight:600;font-size:13px;white-space:nowrap}
.qlist{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.qcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.qmeta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:8px}
.qnum{font-size:12px;font-weight:800;color:var(--navy);text-transform:uppercase;letter-spacing:.4px}
.qdom{font-size:12px;color:var(--muted);background:#eef2ff;padding:2px 8px;border-radius:6px}
.qmulti{font-size:12px;color:#9a6b00;background:#fff4e0;padding:2px 8px;border-radius:6px}
.qtext{font-weight:600;margin:0 0 12px}
.opts{list-style:none;padding:0;margin:0 0 12px;display:grid;gap:6px}
.opt{display:flex;align-items:center;gap:10px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.opt.ok{border-color:#9fe3d6;background:#ecfbf7}
.opt-k{font-weight:800;color:var(--muted);min-width:16px}
.opt.ok .opt-k{color:var(--teal)}
.opt-badge{margin-left:auto;font-size:11px;font-weight:800;color:var(--teal);text-transform:uppercase;letter-spacing:.4px}
.qexp{font-size:14px;color:#33415c;background:#f7f9fc;border-left:3px solid var(--teal2);padding:10px 14px;border-radius:0 8px 8px 0}
.qexp strong{color:var(--ink)}
.faq{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}
.faq h3{font-size:16px;margin:0 0 6px}
.faq p{margin:0;color:#33415c;font-size:14px}
.cat-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.cat-grid a{display:flex;flex-direction:column;gap:2px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.cat-grid a:hover{border-color:#b9c6e6;text-decoration:none}
.cat-grid strong{color:var(--navy)}
.cat-grid span{color:var(--muted);font-size:13px}
.pf{background:#0b1426;color:rgba(255,255,255,.7);padding:32px 24px;margin-top:48px}
.pf-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;margin-bottom:14px}
.pf-links a{color:rgba(255,255,255,.8);font-size:14px}
.pf-disclaimer{max-width:760px;margin:0 auto 10px;text-align:center;font-size:12px;color:rgba(255,255,255,.55);line-height:1.6}
.pf-copy{text-align:center;font-size:12px;color:rgba(255,255,255,.5);margin:0}
.hub-hero{background:linear-gradient(135deg,#07111f,#142159 48%,#07625b);color:#fff;padding:38px 24px 34px;text-align:center}
.hub-hero-inner{max-width:1280px;margin:0 auto}
.hub-tag{display:inline-block;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;color:#bff3ea;background:rgba(45,212,191,.14);border:1px solid rgba(45,212,191,.3);padding:4px 12px;border-radius:999px}
.hub-hero h1{font-size:36px;line-height:1.12;margin:14px 0 8px;color:#fff}
.hub-hero p{color:rgba(255,255,255,.82);font-size:16px;margin:0 auto 18px;max-width:660px}
.hub-search{max-width:600px;margin:0 auto}
.hub-search input{width:100%;padding:14px 18px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.96);font-size:15px;color:var(--ink);box-shadow:0 10px 30px rgba(0,0,0,.25)}
.hub-search input:focus{outline:2px solid var(--teal2);outline-offset:2px}
.hub-stats{display:flex;gap:28px;justify-content:center;margin-top:18px;flex-wrap:wrap}
.hub-stats span{font-size:12px;color:rgba(255,255,255,.7);text-transform:uppercase;letter-spacing:.4px}
.hub-stats strong{display:block;font-size:22px;color:#fff;letter-spacing:0}
.vchips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:16px auto 0;max-width:1240px}
.vchip{appearance:none;cursor:pointer;display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:6px 12px;font:inherit;font-size:13px;font-weight:700;color:#fff}
.vchip:hover,.vchip.active{background:#fff;color:var(--navy);border-color:#fff;text-decoration:none}
.vchip span{background:rgba(255,255,255,.16);color:inherit;border-radius:999px;padding:0 7px;font-size:11px}
.vchip.active span{background:#eef2ff}
.vsec{margin-top:30px;scroll-margin-top:80px}
.vsec-head{display:flex;align-items:baseline;gap:10px;margin-bottom:14px;border-bottom:1px solid var(--line);padding-bottom:8px}
.vsec-head h2{margin:0;font-size:20px}
.vsec-count{font-size:12px;color:var(--muted);font-weight:600}
.ecards{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.ecard a{display:flex;flex-direction:column;gap:4px;min-height:126px;height:100%;background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px 18px;transition:transform .12s,border-color .12s,box-shadow .12s}
.ecard a:hover{border-color:#b9c6e6;transform:translateY(-2px);box-shadow:0 8px 22px rgba(15,27,45,.08);text-decoration:none}
.ecard-code{font-weight:800;color:var(--navy);font-size:15px}
.ecard-name{color:#33415c;font-size:13px;line-height:1.4}
.ecard-meta{margin-top:6px;font-size:12px;font-weight:700;color:var(--teal)}
.ecard-cta{margin-top:auto;padding-top:8px;font-size:12px;font-weight:800;color:var(--navy)}
.hide{display:none!important}
.no-results{text-align:center;color:var(--muted);margin-top:24px}
.exp-answer{display:inline-flex;align-items:center;gap:6px;font-weight:800;color:#0a6e63;background:#e6f7f4;border:1px solid #bfeae3;border-radius:8px;padding:5px 11px;font-size:13px;margin-bottom:10px}
.exp-detail{margin:0 0 10px;color:#33415c}
.exp-why-h{display:block;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:6px}
.exp-why ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.exp-why li{display:flex;gap:8px;font-size:13px;color:#5b6b8c}
.exp-why .wk{font-weight:800;color:#c2453f;min-width:14px}
@media(max-width:900px){.hub-main{padding:0 22px 56px}}
@media(max-width:640px){.ph{padding:0 16px}.ph-nav a:not(.ph-cta){display:none}.hero h1{font-size:26px}.facts{grid-template-columns:repeat(2,1fr)}.hub-hero{padding:32px 18px 28px}.hub-hero h1{font-size:28px}.hub-main{padding:0 16px 48px}.ecards{grid-template-columns:1fr}}