:root{
  --ink:#101828;
  --muted:#667085;
  --line:#d9e2ec;
  --bg:#f4f7fb;
  --panel:#fff;
  --panel2:#f8fafc;
  --accent:#0f8b8d;
  --accent-dark:#0b6f71;
  --accent2:#d94f30;
  --soft:#e9f7f6;
  --shadow:0 18px 48px rgba(16,24,40,.08);
  --shadow-sm:0 10px 28px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:radial-gradient(circle at 20% 0%,#fff 0,#f7fbff 34%,#eef4f8 100%);letter-spacing:0;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent-dark)}
img{max-width:100%;display:block;border-radius:8px;background:#eef3f7}
:focus-visible{outline:3px solid rgba(15,139,141,.28);outline-offset:3px}
.top{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:auto minmax(0,1fr) minmax(220px,300px) auto;gap:20px;align-items:center;padding:13px clamp(16px,4vw,56px);border-bottom:1px solid rgba(217,226,236,.9);background:rgba(255,255,255,.94);backdrop-filter:blur(14px);box-shadow:0 8px 26px rgba(16,24,40,.04)}
.brand{display:inline-flex;align-items:center;gap:10px;line-height:1;color:#121826}
.brand-mark{display:grid;place-items:center;width:44px;height:42px;border-radius:12px;background:linear-gradient(90deg,#101828 0 calc(100% - 11px),#0f8b8d calc(100% - 11px) calc(100% - 4px),#d94f30 calc(100% - 4px));color:#fff;font-size:17px;font-weight:950;letter-spacing:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08),0 10px 24px rgba(16,24,40,.16);overflow:hidden}
.brand-word{font-size:27px;font-weight:950;letter-spacing:0;color:#101828}
nav{display:flex;gap:6px;align-items:center;color:#344054;font-size:14px;font-weight:650}
nav a{padding:9px 11px;border-radius:8px}
nav a:hover{background:var(--soft);color:var(--accent-dark)}
.search{display:flex;height:40px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 1px 0 rgba(16,24,40,.02)}
.search input{min-width:0;flex:1;border:0;padding:0 13px;background:#fff}
.search button{width:48px;border:0;background:#101828;color:#fff;font-weight:850;cursor:pointer}
.search button:hover{background:#263244}
.langs{display:flex;gap:8px;font-size:12px;align-items:center}
.langs a{padding:7px 9px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#344054}
.langs a[aria-current=page]{border-color:rgba(15,139,141,.38);background:var(--soft);color:var(--accent-dark);font-weight:850}
main{max-width:1240px;margin:0 auto;padding:34px clamp(16px,4vw,32px) 70px}
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.92fr);gap:48px;align-items:center;min-height:560px;padding:24px 0 34px}
.hero h1,.page-title h1{font-size:clamp(40px,5vw,66px);line-height:1.02;margin:10px 0 18px;letter-spacing:0}
.hero p,.lead{font-size:18px;line-height:1.72;color:var(--muted)}
.hero img{box-shadow:0 30px 82px rgba(15,39,71,.14);border:1px solid rgba(217,226,236,.8)}
.eyebrow{font-weight:900;color:var(--accent);text-transform:uppercase;font-size:12px;letter-spacing:.08em}
.actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:8px;background:var(--accent);color:#fff;font-weight:850;border:0;cursor:pointer;box-shadow:0 14px 28px rgba(15,139,141,.20);transition:transform .16s ease,box-shadow .16s ease,background .16s ease}
.button:hover{transform:translateY(-1px);background:var(--accent-dark);color:#fff;box-shadow:0 18px 36px rgba(15,139,141,.25)}
.button.ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.button.ghost:hover{background:var(--panel2);color:var(--accent-dark)}
.button.is-loading{opacity:.75;pointer-events:none}
section{margin:52px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}
.section-head h2{font-size:30px;margin:0}
.section-head a,.text-link{color:var(--accent);font-weight:850}
.grid{display:grid;gap:18px}
.cats{grid-template-columns:repeat(4,minmax(0,1fr))}
.products{grid-template-columns:repeat(4,minmax(0,1fr))}
.articles{grid-template-columns:repeat(3,minmax(0,1fr))}
.cat,.product-card,.article-card,.guide-panel,.steps,.buybox,.pay-page .pay-box{background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow-sm)}
.cat,.product-card,.article-card{overflow:hidden}
.cat{padding:12px;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.cat img,.product-card img{width:100%;aspect-ratio:1.52/1;object-fit:cover}
.cat:hover,.product-card:hover,.article-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#c8d7e4}
.cat-title{display:flex;align-items:center;justify-content:space-between;gap:12px}
.cat-title span{min-width:38px;text-align:center;padding:4px 8px;border-radius:999px;background:#eef6ff;color:#1d4ed8;font-size:12px;font-weight:900}
.cat h3,.product-card h3,.article-card h3{font-size:17px;margin:14px 0 8px;line-height:1.25}
.cat p,.product-card p,.article-card p{color:var(--muted);line-height:1.58}
.product-card>div,.article-card{padding:16px}
.label{display:inline-flex;align-items:center;width:max-content;border-radius:999px;padding:5px 9px;background:var(--soft);color:var(--accent-dark);font-size:12px;font-weight:900}
.meta{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:14px;padding-top:12px;border-top:1px solid #eef2f6}
.meta strong{font-size:20px;color:var(--accent2)}
.steps{padding:28px}
.steps>div{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.steps article{padding:18px;border-radius:8px;background:var(--panel2);border:1px solid #edf2f7}
.steps article b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff}
.page-title{max-width:900px}
.product-detail{display:grid;grid-template-columns:minmax(320px,.86fr) minmax(0,1.14fr);gap:34px;align-items:start}
.product-detail>img{width:100%;max-height:560px;object-fit:contain;background:#fff;box-shadow:var(--shadow);border:1px solid var(--line)}
.product-detail h1{font-size:clamp(36px,4vw,58px);line-height:1.04;margin:18px 0 14px}
.product-detail p{font-size:17px;line-height:1.62;color:#344054}
.buybox{margin-top:22px;padding:20px;display:grid;gap:13px}
.buybox strong{font-size:36px;line-height:1;color:var(--accent2)}
.buybox form{display:grid;gap:12px;margin-top:4px}
label{display:grid;gap:7px;font-weight:800;color:#243044}
input,select{height:44px;border:1px solid var(--line);border-radius:8px;padding:0 12px;background:#fff;color:var(--ink)}
input:focus,select:focus{border-color:rgba(15,139,141,.55)}
.form-help{margin:-2px 0 2px;color:var(--muted);font-size:13px;line-height:1.45}
.narrow,.article{max-width:840px;margin-left:auto;margin-right:auto}
.article img{margin:24px 0}
.article p{font-size:18px;line-height:1.75;color:#475467}
.notice{padding:14px 16px;border-radius:8px;background:#fff7ed;border:1px solid #fed7aa;color:#7c2d12}
.link-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.link-list a{padding:13px 14px;background:#fff;border:1px solid var(--line);border-radius:8px;transition:background .16s ease,border-color .16s ease}
.link-list a:hover{background:var(--soft);border-color:#b9deda}
details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:15px 16px;margin:10px 0;box-shadow:0 6px 16px rgba(16,24,40,.035)}
details summary{font-weight:850;cursor:pointer}
details p{margin-bottom:0}
footer{display:flex;justify-content:space-between;gap:28px;padding:38px clamp(16px,4vw,56px);border-top:1px solid #202b3c;background:#101828;color:#d6dde8}
footer p{max-width:980px;line-height:1.55}
footer a{display:inline-block;margin:0 0 8px 14px;color:#f8fafc;font-weight:700}
footer a:hover{color:#7dd3d4}
.friendly-links{margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12)}
.friendly-links span{display:block;margin-bottom:8px;color:#98a2b3;font-size:12px;font-weight:900;text-transform:uppercase}
.friendly-links a{margin-left:0;margin-right:14px}
.faq-section{margin-top:34px;margin-bottom:34px}
.faq-section h2{font-size:26px;margin:0 0 16px}
.faq-section p{line-height:1.72;color:#475467}
.last-updated{font-size:14px;color:var(--muted)}
.guide-page section{margin:36px 0}
.guide-page h2{font-size:28px;margin:0 0 14px}
.guide-panel{padding:22px}
.guide-panel ul,.guide-panel ol{margin:0;padding-left:22px}
.guide-panel li{margin:8px 0;line-height:1.62}
.guide-step{scroll-margin-top:90px}
.guide-step p{margin:12px 0}
.toc{columns:2}
.checklist li{break-inside:avoid}
.sitemap-list{margin:0;padding-left:22px}
.sitemap-list li{margin:8px 0;line-height:1.55}
.sitemap-descriptions li{margin:12px 0}
.sitemap-descriptions span{display:block;color:var(--muted);font-size:14px;margin-top:3px}
.sitemap-group{margin:16px 0}
.sitemap-group h3{margin:0 0 12px}
.sitemap-group .sitemap-list{columns:2}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0}
.facts div{padding:13px;border:1px solid var(--line);border-radius:8px;background:var(--panel2)}
.facts dt{font-size:12px;font-weight:900;color:var(--muted);text-transform:uppercase}
.facts dd{margin:5px 0 0;font-weight:850;line-height:1.35}
.product-copy h2{font-size:28px}
.product-copy p{font-size:17px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--shadow-sm)}
table{width:100%;border-collapse:collapse;min-width:780px}
th,td{padding:13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:12px;text-transform:uppercase;color:var(--muted);background:var(--panel2)}
td{line-height:1.48}
tr:last-child td{border-bottom:0}
.pay-page{padding-top:28px}
.pay-page .pay-box{padding:22px;display:grid;gap:16px}
.pay-form{display:grid;gap:14px}
.pay-qr img{width:220px;height:220px;border:1px solid var(--line);border-radius:8px;background:#fff}
.copy-row{display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:10px;align-items:center;padding:11px;border:1px solid var(--line);border-radius:8px;background:var(--panel2)}
.copy-row span{font-weight:850;color:#344054}
.copy-row code{overflow:auto;white-space:nowrap;font-size:14px;color:#101828}
.copy-row button{min-height:36px;border:1px solid var(--line);border-radius:8px;background:#fff;font-weight:850;cursor:pointer;color:#101828}
.copy-row button:hover{border-color:#b9deda;background:var(--soft);color:var(--accent-dark)}
.toast-region{position:fixed;right:18px;bottom:18px;z-index:80;display:grid;gap:10px;max-width:min(360px,calc(100vw - 36px))}
.toast{padding:12px 14px;border-radius:8px;background:#101828;color:#fff;box-shadow:0 20px 50px rgba(16,24,40,.22);font-weight:750;line-height:1.35;opacity:0;transform:translateY(8px);animation:toast-in .18s ease forwards}
.toast.error{background:#9f1d20}
.toast.success{background:#067647}
.admin-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:28px 0}
.admin-page section{margin:24px 0}
.admin-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);gap:20px;align-items:start}
.admin-panel{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow-sm);padding:20px}
.admin-panel h2{margin:0 0 14px;font-size:24px}
.admin-table{min-width:720px}
.admin-table small{color:var(--muted)}
.admin-form{display:grid;gap:14px}
.admin-form textarea{min-height:92px;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font:inherit;resize:vertical}
.admin-two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.admin-link-rows{display:grid;gap:12px}
.admin-link-row{display:grid;grid-template-columns:minmax(150px,.8fr) minmax(220px,1.4fr) 130px 110px;gap:10px;align-items:end;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--panel2)}
.admin-link-row .check{display:flex;align-items:center;gap:8px;height:44px}
.admin-link-row input[type=checkbox]{width:18px;height:18px}
@keyframes toast-in{to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}.cat:hover,.product-card:hover,.article-card:hover,.button:hover{transform:none}}
@media (max-width:1080px){.products{grid-template-columns:repeat(3,minmax(0,1fr))}.cats{grid-template-columns:repeat(3,minmax(0,1fr))}.hero{gap:30px}}
@media (max-width:900px){.top{grid-template-columns:1fr;position:static;gap:12px}.hero,.product-detail{grid-template-columns:1fr}.cats,.products,.articles,.steps>div,.link-list{grid-template-columns:1fr 1fr}.hero{min-height:auto;padding-top:10px}.hero img{max-height:520px;object-fit:cover}nav{flex-wrap:wrap}.search{max-width:520px}.langs{flex-wrap:wrap}}
@media (max-width:620px){
  main{padding-top:18px;padding-bottom:48px}
  .cats,.products,.articles,.steps>div,.link-list{grid-template-columns:1fr}
  .hero h1,.page-title h1{font-size:34px}
  .hero p,.lead{font-size:16px}
  .hero{gap:22px}
  .section-head{align-items:flex-start;flex-direction:column;gap:8px}
  .actions{flex-direction:column}
  .button{width:100%}
  .product-detail>img{height:auto;max-height:360px;object-fit:contain}
  .product-detail h1{font-size:34px}
  .buybox{padding:18px}
  .copy-row{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr}
  .sitemap-group .sitemap-list,.toc{columns:1}
  footer{display:block}
  footer a{margin-left:0;margin-right:12px}
  .search{width:100%;max-width:none}
  .admin-head{align-items:flex-start;flex-direction:column}
  .admin-grid,.admin-two,.admin-link-row{grid-template-columns:1fr}
}