*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,-apple-system,Arial,sans-serif;color:#1d2733;line-height:1.65;background:#fff}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
a{color:#0b5cad;text-decoration:none}a:hover{text-decoration:underline}
.site-head{background:#0d1b2e;color:#fff;position:sticky;top:0;z-index:50}
.head-inner{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;flex-wrap:wrap;gap:8px}
.brand{display:flex;flex-direction:column;color:#fff;text-decoration:none}
.brand-logo{height:38px;width:auto;background:#fff;padding:3px 10px;border-radius:8px;box-sizing:content-box}
.brand-sub{font-size:10px;color:#8fb6e8;letter-spacing:1.5px;margin-top:1px;text-align:center}
.main-nav{display:flex;gap:18px;flex-wrap:wrap;align-items:center;font-size:15px}
.main-nav a{color:#cfe0f5;text-decoration:none;padding:4px 0}
.main-nav a:hover{color:#fff;border-bottom:2px solid #f28c28}
.main-nav .cta-link{background:#f28c28;color:#fff;padding:7px 16px;border-radius:5px;font-weight:600}
.main-nav .cta-link:hover{background:#e07a12;text-decoration:none;border:none}
.hero{background:linear-gradient(135deg,#0d1b2e 0%,#12315e 55%,#1b4f8a 100%);color:#fff;padding:70px 0 64px}
.hero h1{font-size:38px;line-height:1.2;max-width:820px;margin-bottom:16px}
.hero .lead{font-size:18px;max-width:760px;color:#d7e6f9;margin-bottom:26px}
.btn{display:inline-block;padding:12px 26px;border-radius:6px;font-weight:700;font-size:16px;text-decoration:none}
.btn-cta{background:#f28c28;color:#fff}.btn-cta:hover{background:#e07a12;text-decoration:none}
.btn-ghost{border:2px solid #cfe0f5;color:#e8f1fc;margin-left:10px}.btn-ghost:hover{background:rgba(255,255,255,.12);text-decoration:none}
.sec{padding:52px 0}
.sec.alt{background:#f4f7fb}
.sec h2{font-size:26px;color:#0d1b2e;margin-bottom:8px}
.sec .sub{color:#5a6b7e;margin-bottom:26px;max-width:760px}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:14px}
.card{background:#fff;border:1px solid #e2e8f0;border-left:4px solid #f28c28;border-radius:8px;padding:20px 18px}
.card h3{font-size:17px;color:#0d1b2e;margin-bottom:8px}
.card p{font-size:14.5px;color:#405264;margin-bottom:8px}
.card ul{margin:8px 0 0 18px;font-size:14px;color:#405264}
.spec{width:100%;border-collapse:collapse;margin:14px 0 6px;font-size:15px}
.spec td{border:1px solid #e2e8f0;padding:9px 12px}
.spec td:first-child{background:#f4f7fb;font-weight:600;width:38%;color:#0d1b2e}
.checklist{list-style:none;margin:10px 0 0}
.checklist li{padding:5px 0 5px 26px;position:relative}
.checklist li:before{content:"\2713";position:absolute;left:0;color:#1e8e3e;font-weight:800}
.faq{border:1px solid #e2e8f0;border-radius:8px;margin-top:14px;overflow:hidden}
.faq details{border-bottom:1px solid #e2e8f0;padding:14px 18px}
.faq details:last-child{border:none}
.faq summary{font-weight:700;color:#0d1b2e;cursor:pointer}
.faq p{margin-top:8px;color:#405264;font-size:15px}
.breadcrumb{font-size:13px;color:#5a6b7e;padding:14px 0 0}
.breadcrumb a{color:#0b5cad}
.site-foot{background:#0d1b2e;color:#cfe0f5;padding:44px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px;padding-bottom:26px}
.foot-brand{font-size:20px;font-weight:800;color:#fff;letter-spacing:2px}
.foot-h{font-weight:700;color:#fff;margin-bottom:8px}
.site-foot a{color:#8fb6e8}
.foot-tiny{font-size:12px;color:#7e95b5;margin-top:10px}
.foot-bar{border-top:1px solid #1c3050;padding:14px 20px;font-size:13px;color:#7e95b5}
.prod-img{width:100%;max-width:560px;border-radius:10px;border:1px solid #e2e8f0;margin:18px 0 6px;box-shadow:0 4px 14px rgba(13,27,46,.08)}
.prod-img-wrap{text-align:center}
.img-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:18px 0}
.img-row figure{margin:0}
.img-row img{width:100%;border-radius:10px;border:1px solid #e2e8f0;box-shadow:0 4px 14px rgba(13,27,46,.08)}
.img-row figcaption{font-size:13px;color:#5a6b7e;text-align:center;margin-top:6px}
@media(max-width:720px){.prod-img{max-width:100%}}
.article-body{max-width:820px}
.article-body h2{font-size:23px;margin:26px 0 10px}
.article-body p{margin:10px 0;color:#33414f}
.article-body ul,.article-body ol{margin:10px 0 10px 24px}
.article-meta{color:#7c8ba0;font-size:14px;margin-bottom:18px}
.post-list a{display:block;border:1px solid #e2e8f0;border-radius:8px;padding:16px 18px;margin-top:12px;background:#fff}
.post-list a:hover{text-decoration:none;border-color:#f28c28}
.post-list .d{font-size:13px;color:#7c8ba0}
@media(max-width:720px){.hero h1{font-size:28px}.main-nav{gap:10px;font-size:13px}}