:root{--bg:#f8fafc;--card:#ffffff;--text:#0f172a;--muted:#475569;--brand:#0f766e;--brand2:#0ea5e9;--accent:#dc2626;--line:#dbe4ee;--shadow:0 18px 45px rgba(15,23,42,.08);--radius:22px;}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.7}img{max-width:100%;display:block}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand2)}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}.topbar{background:#0f172a;color:#e2e8f0;font-size:14px}.topbar .container{display:flex;gap:18px;justify-content:space-between;align-items:center;padding:10px 0;flex-wrap:wrap}.topbar a{color:#bae6fd}
.header{position:sticky;top:0;z-index:20;background:rgba(248,250,252,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(148,163,184,.18)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}.brand img{height:52px;width:auto}
.nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.nav>a,.nav .drop>button{border:0;background:transparent;color:var(--text);font:600 15px/1 Inter,Arial;padding:12px 14px;border-radius:14px;cursor:pointer}.nav>a:hover,.nav .drop>button:hover{background:#e6fffb}
.drop{position:relative}.mega{position:absolute;left:50%;transform:translateX(-50%);top:calc(100% + 10px);width:min(980px,92vw);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:26px;display:none}.drop:hover .mega,.drop:focus-within .mega{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:22px}.mega h3{margin:.1rem 0 0.6rem;font-size:18px}.mega p,.mega li{font-size:14px;color:var(--muted)}.mega ul{padding-left:18px;margin:.2rem 0 0}.mobile-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;font-weight:700}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#082f49 0%, #0f766e 45%, #0ea5e9 100%);color:white}.hero .container{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;padding:70px 0}.hero-card{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);box-shadow:var(--shadow);backdrop-filter:blur(10px);padding:28px;border-radius:26px}.eyebrow{display:inline-block;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.14);font-size:13px;letter-spacing:.03em;text-transform:uppercase}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.04;margin:16px 0 14px}.hero p{font-size:18px;color:#e5f5ff}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 18px;border-radius:14px;font-weight:700;border:1px solid transparent}.btn-primary{background:#fff;color:#0f172a}.btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}.btn-danger{background:#dc2626;color:#fff}.btn:hover{transform:translateY(-1px)}
.hero-panel{background:rgba(255,255,255,.1);padding:16px;border-radius:28px;border:1px solid rgba(255,255,255,.18)}.hero-panel img{border-radius:18px;min-height:320px;object-fit:cover;width:100%}
.section{padding:50px 0}.grid{display:grid;gap:22px}.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:24px}.card h2,.card h3{margin-top:0}.muted{color:var(--muted)}
.breadcrumbs{padding:14px 0;font-size:14px;color:var(--muted)}.breadcrumbs a{color:var(--muted)}
.main-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,.9fr);gap:24px}.article{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;padding:30px}.article h1{font-size:40px;line-height:1.08;margin:.2rem 0 1rem}.article h2{font-size:28px;line-height:1.2;margin:2rem 0 .8rem}.article h3{font-size:21px;line-height:1.3;margin:1.4rem 0 .6rem}.article p,.article li{color:#1e293b}.article ul,.article ol{padding-left:22px}.article table{width:100%;border-collapse:collapse;margin:18px 0;border-radius:16px;overflow:hidden}.article th,.article td{padding:12px 14px;border:1px solid var(--line);vertical-align:top}.article th{background:#ecfeff;text-align:left}.notice{border-left:5px solid #dc2626;background:#fff1f2;padding:16px 18px;border-radius:16px;margin:18px 0}.source-list a{word-break:break-word}
.sidebar{display:grid;gap:18px}.badge{display:inline-block;padding:8px 10px;border-radius:999px;background:#ecfeff;color:#155e75;font-size:13px;font-weight:700}.price{font-size:30px;font-weight:800}.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.product-card{padding:20px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,#fff 0,#f8fdff 100%)}.product-card h3{margin:.4rem 0}.faq-item{border-top:1px solid var(--line);padding:14px 0}.faq-item:first-child{border-top:0;padding-top:0}.step-list{counter-reset:step}.step-list li{list-style:none;position:relative;padding-left:52px;margin:14px 0}.step-list li:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));color:white;display:grid;place-items:center;font-weight:800}
.footer{background:#0f172a;color:#e2e8f0;padding:28px 0;margin-top:50px}.footer-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:20px}.footer a{color:#bae6fd}.mini{font-size:14px;color:#94a3b8}.seo-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
@media (max-width:960px){.hero .container,.main-grid,.cards-3,.cards-2,.footer-grid,.seo-links,.product-grid{grid-template-columns:1fr}.nav{display:none;position:absolute;left:16px;right:16px;top:78px;background:#fff;padding:14px;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow)}.nav.open{display:grid}.mobile-toggle{display:inline-block}.drop:hover .mega,.drop:focus-within .mega{position:static;transform:none;width:auto;display:block;margin-top:8px}}