:root{--navy:#0e2d44;--blue:#1d6b8c;--teal:#119b72;--red:#c84755;--bg:#f5f8fa;--card:#fff;--text:#243640;--muted:#617580;--line:#dbe5ea;--shadow:0 14px 38px rgba(14,45,68,.10);--radius:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.65}img{max-width:100%;display:block}a{color:inherit}
.container{max-width:1180px;margin:auto;padding:0 20px}.topbar{background:var(--navy);color:#dceaf0;font-size:13px}.topbar .container{height:36px;display:flex;align-items:center;justify-content:space-between}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100}.nav{height:74px;display:flex;align-items:center;gap:28px}.logo{font-weight:900;text-decoration:none;color:var(--navy);font-size:22px}.logo span{color:var(--teal)}
.navlinks{display:flex;align-items:center;gap:22px;margin-left:auto}.navlinks a{text-decoration:none;color:var(--navy);font-weight:650;font-size:14px}.navlinks a:hover{color:var(--teal)}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 11px;font-size:18px}
.hero{background:linear-gradient(135deg,#0e2d44,#1b5875 58%,#159b73);color:#fff;padding:82px 0 78px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.eyebrow{display:inline-block;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);padding:7px 13px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.7px}
.hero h1{font-size:clamp(38px,5.2vw,66px);line-height:1.03;margin:18px 0;letter-spacing:-1.5px}.hero p{font-size:18px;color:#e6f2f6;max-width:690px;margin:0 0 28px}
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:10px;padding:13px 20px;font-weight:800;border:1px solid transparent;margin:4px;cursor:pointer}.btn-primary{background:#fff;color:var(--navy)}.btn-green{background:var(--teal);color:#fff}.btn-outline{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(255,255,255,.08)}.btn-dark{background:var(--navy);color:#fff}
.hero-card{background:#fff;color:var(--text);border-radius:20px;padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.22);transform:rotate(1deg)}.cover{background:linear-gradient(145deg,#edf7fa,#eaf8f2);border:1px solid #cfe1e8;border-radius:14px;padding:28px 24px;min-height:300px}.cover .mini{font-size:11px;font-weight:900;color:var(--teal);letter-spacing:1px}.cover h3{font-size:28px;line-height:1.12;color:var(--navy);margin:18px 0}.cover p{font-size:13px;color:var(--muted);margin:0}
section{padding:70px 0}.section-head{max-width:780px;margin-bottom:30px}h2{font-size:36px;line-height:1.15;color:var(--navy);margin:0 0 12px}h3{color:var(--navy);line-height:1.25}.lead{font-size:17px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow)}.card p{color:var(--muted)}
.icon{width:46px;height:46px;border-radius:12px;background:#eaf8f3;display:grid;place-items:center;font-size:22px}.category-card{text-decoration:none;transition:.2s;display:block}.category-card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(14,45,68,.14)}.category-card .count{font-size:12px;color:var(--teal);font-weight:800}
.product-card{overflow:hidden;padding:0}.product-top{padding:26px;background:linear-gradient(135deg,#edf7fa,#eef9f4)}.product-body{padding:24px}.tags{display:flex;flex-wrap:wrap;gap:7px;margin:13px 0}.tag{font-size:11px;padding:5px 8px;border-radius:999px;background:#edf3f6;color:#4c6571;font-weight:700}
.checklist{list-style:none;padding:0;margin:0}.checklist li{padding:8px 0 8px 25px;position:relative}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:900}
.callout{border-left:5px solid var(--teal);background:#edf9f5;padding:19px 22px;border-radius:10px;margin:25px 0}.warning{border-left:5px solid var(--red);background:#fff2f4;padding:19px 22px;border-radius:10px;margin:25px 0}
.breadcrumb{font-size:13px;color:var(--muted);padding:18px 0}.breadcrumb a{text-decoration:none;color:var(--blue)}.page-hero{background:linear-gradient(135deg,#eef7fa,#edf8f3);padding:58px 0;border-bottom:1px solid var(--line)}.page-hero h1{font-size:44px;line-height:1.1;color:var(--navy);margin:10px 0}
.product-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:35px;align-items:start}.product-cover{background:linear-gradient(145deg,#edf7fa,#eaf8f2);border:1px solid #cfe1e8;border-radius:20px;padding:35px;min-height:520px;box-shadow:var(--shadow)}.product-cover .mini{font-size:12px;font-weight:900;color:var(--teal);letter-spacing:1px}.product-cover h2{font-size:43px;margin:28px 0 15px}.product-cover p{color:var(--muted)}.buy-box{position:sticky;top:95px}.buy-box .price-note{color:var(--muted);font-size:13px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px;text-align:center}.stat strong{display:block;font-size:22px;color:var(--navy)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:10px 0}.faq summary{font-weight:800;color:var(--navy);cursor:pointer}
.form{display:grid;gap:14px}.form input,.form textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:13px 14px;font:inherit;background:#fff}.form textarea{min-height:150px;resize:vertical}
footer{background:#0b2638;color:#d5e4e9;padding:48px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px}footer h3{color:#fff;font-size:16px}footer a{display:block;text-decoration:none;color:#c8dbe2;padding:4px 0;font-size:14px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:12px;color:#9fb6c0}
@media(max-width:900px){.hero-grid,.product-layout{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.navlinks{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:16px 20px;flex-direction:column;align-items:flex-start}.navlinks.open{display:flex}.menu-btn{display:block;margin-left:auto}.buy-box{position:static}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.topbar .container{height:auto;padding:7px 20px}.topbar .right{display:none}.nav{height:64px}.navlinks{top:64px}.logo{font-size:19px}.hero{padding:55px 0}.hero h1{font-size:39px}.hero p{font-size:16px}section{padding:48px 0}h2{font-size:29px}.grid,.grid-2{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.product-cover{min-height:400px}.product-cover h2{font-size:34px}.footer-grid{grid-template-columns:1fr}}