:root{
  --brand:#05B8C4;--brand-dark:#0496a0;--text:#000;--muted:#475569;
  --bg:#fff;--soft:#f6fbfc;--border:#d9e7e9;--shadow:0 3px 14px rgba(0,0,0,.08);
  --radius:8px;--max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7}
img{max-width:100%;height:auto}
a{color:#006d75;text-decoration:underline}
a:hover{color:#000}
.container{width:min(var(--max),calc(100% - 32px));margin:auto}
.site-header{background:#fff;border-bottom:1px solid var(--border)}
.header-inner{min-height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px}
.logo{display:inline-flex;align-items:center;text-decoration:none;color:#000;font-weight:700}
.logo img{width:auto;height:55px;display:block}
.nav{display:flex;gap:24px;align-items:center;justify-content:center}
.nav a,.lang-btn{color:#000;text-decoration:none;font-weight:600;background:none;border:0;cursor:pointer;font:inherit}
.header-actions{display:flex;justify-content:flex-end;align-items:center;gap:12px}
.search-btn{border:1px solid var(--border);background:#fff;border-radius:8px;padding:8px 11px;cursor:pointer;color:#000}
.lang{position:relative}.lang-menu{display:none;position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);min-width:150px;padding:6px;z-index:50}
.lang.open .lang-menu{display:block}.lang-menu a{display:block;padding:8px 10px;color:#000;text-decoration:none;border-radius:6px}.lang-menu a:hover{background:var(--soft)}
.menu-toggle{display:none;border:1px solid var(--border);background:#fff;border-radius:8px;padding:8px 11px;cursor:pointer}
.hero{background:var(--brand);padding:64px 0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:48px}
.hero h1{font-size:clamp(40px,5vw,64px);line-height:1.05;margin:0 0 18px}
.hero p{font-size:18px;max-width:650px;margin:0 0 22px}
.hero-media{text-align:center}.hero-media img{max-height:440px;width:auto}
.btn{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;border:2px solid var(--brand);padding:12px 22px;border-radius:8px;font-weight:800}
.btn:hover{background:#000;border-color:#000;color:#fff}
.hero .btn{background:var(--brand);color:#fff;border-color:#000}
.app-meta{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:22px 0}
.meta{background:rgba(255,255,255,.7);border:1px solid rgba(0,0,0,.12);padding:10px;border-radius:8px}
.meta strong{display:block;font-size:13px}.meta span{font-weight:700}
.updated{font-size:14px;font-weight:700}
main{padding:36px 0}
.content{max-width:900px;margin:auto}
section{margin:0 0 44px}
h2{font-size:clamp(28px,3vw,38px);line-height:1.2;margin:0 0 22px;padding-bottom:10px;border-bottom:2px solid var(--brand)}
h3{font-size:22px;line-height:1.3;margin:26px 0 10px;padding-left:10px;border-left:4px solid var(--brand)}
.lead{font-size:19px;color:#1f2937}
.toc{border:1px solid var(--border);border-radius:8px;background:var(--soft);padding:14px;margin-bottom:38px}
.toc summary{cursor:pointer;font-weight:800}.toc ul{margin:12px 0 0;padding-left:22px}
.feature-grid,.pros-grid,.blog-grid,.screenshot-grid{display:grid;gap:18px}
.feature-grid{grid-template-columns:repeat(4,1fr)}
.feature-card{background:var(--brand);border-radius:8px;padding:20px;box-shadow:var(--shadow);color:#000}
.feature-card h3{border:0;padding:0;margin:0 0 8px}
.screenshot-grid{grid-template-columns:repeat(3,1fr)}
.screenshot-grid figure{margin:0}.screenshot-grid img{display:block;width:100%;border-radius:8px;box-shadow:var(--shadow)}
figcaption{font-size:13px;color:var(--muted);margin-top:6px}
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:8px}
table{width:100%;border-collapse:collapse;min-width:680px}
th,td{padding:12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
th{background:var(--soft)}
.pros-grid{grid-template-columns:1fr 1fr}
.card{border:1px solid var(--border);border-radius:8px;padding:20px;box-shadow:var(--shadow)}
.faq details{border:1px solid var(--border);border-radius:8px;margin:10px 0;padding:12px 15px}
.faq summary{cursor:pointer;font-weight:700}
.install-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.install-grid figure{margin:0}.install-grid img{border-radius:8px}
.blog-grid{grid-template-columns:repeat(3,1fr)}
.blog-card{border:1px solid var(--border);border-radius:8px;overflow:hidden;box-shadow:var(--shadow);background:#fff}
.blog-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.blog-card .body{padding:16px}.blog-card h3{border:0;padding:0;margin:0 0 8px;font-size:20px}
.page-hero{background:var(--brand);padding:42px 0}.page-hero h1{margin:0;font-size:clamp(34px,4vw,52px);line-height:1.1}
.breadcrumb{font-size:14px;margin:18px 0}.breadcrumb a{color:#006d75}
.article{max-width:900px;margin:auto}.article .featured{width:100%;border-radius:8px;margin:10px 0 28px}
.notice{border-left:4px solid var(--brand);background:var(--soft);padding:16px;border-radius:0 8px 8px 0}
.cta-box{background:#000;color:#fff;border-radius:8px;padding:28px;text-align:center;margin:38px 0}.cta-box .btn{margin-top:10px}
.site-footer{background:#000;color:#fff;margin-top:50px;padding:40px 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.site-footer a{color:#fff}.site-footer h3{border-left-color:var(--brand);color:#fff}
.search-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:100;padding:10vh 16px}.search-box{max-width:700px;margin:auto;background:#fff;border-radius:8px;padding:20px}.search-head{display:flex;gap:10px}.search-head input{flex:1;padding:12px;border:1px solid var(--border);border-radius:8px}.search-results a{display:block;padding:12px 0;border-bottom:1px solid var(--border);text-decoration:none;color:#000}.search-results small{display:block;color:var(--muted)}
.error-page{text-align:center;padding:90px 0}.muted{color:var(--muted)}
@media(max-width:900px){
  .header-inner{grid-template-columns:1fr auto}.nav{display:none;position:absolute;left:16px;right:16px;top:78px;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);padding:14px;flex-direction:column;align-items:stretch;z-index:40}
  .nav.open{display:flex}.menu-toggle{display:block}.header-actions{gap:8px}.header-actions .lang{order:3}
  .hero-grid{grid-template-columns:1fr;text-align:center}.hero p{margin-left:auto;margin-right:auto}.hero-media{order:2}
  .app-meta{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}.blog-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .container{width:min(var(--max),calc(100% - 20px))}
  .header-inner{min-height:68px}.logo img{height:48px}.nav{top:68px}
  .hero{padding:42px 0}.hero h1{font-size:42px}.hero p{font-size:16px}
  .app-meta{grid-template-columns:repeat(2,1fr);font-size:14px}
  .feature-grid,.screenshot-grid,.pros-grid,.install-grid,.blog-grid{grid-template-columns:1fr}
  .content,.article{max-width:100%}
  h2{font-size:28px}.site-footer{padding:30px 0}.footer-grid{grid-template-columns:1fr}
}