@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap");


:root{
  --ink:#0f172a; --muted:#5c677a; --line:#d9e0e8; --soft:#f6f8fb;
  --panel:#ffffff; --accent:#0f766e; --accent-2:#2563eb; --danger:#b42318;
  --radius:14px; --shadow:0 12px 35px rgba(15,23,42,.08); --header:72px;
}
*{box-sizing:border-box}
html,body,button,input,textarea,select,option,a,p,span,div,section,article,nav,header,footer,h1,h2,h3,h4,h5,h6,ul,ol,li,table,th,td,pre,code{font-family:"Poppins",sans-serif}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:"Poppins",sans-serif;line-height:1.65}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button,input,textarea,select{font:inherit}
.shell{width:min(1120px,calc(100% - 36px));margin-inline:auto}
.narrow{width:min(760px,100%);margin-inline:auto}
.section-pad{padding:76px 0;scroll-margin-top:calc(var(--header) + 18px)}
.section-soft{background:var(--soft);border-block:1px solid #edf1f5}
.section-head{display:flex;gap:22px;align-items:end;justify-content:space-between;margin-bottom:28px}
.section-head.center{display:block;text-align:center;max-width:760px;margin:0 auto 32px}
.section-head h2,.page-hero h1{margin:0;letter-spacing:-.035em;line-height:1.08}
.section-head h2{font-size:clamp(2rem,4vw,3rem)}
.page-hero h1{font-size:clamp(2.5rem,6vw,4.7rem)}
.eyebrow{margin:0 0 10px;color:var(--accent);font-size:.82rem;font-weight:800;text-transform:uppercase;letter-spacing:.13em}
.lead{color:var(--muted);font-size:1.12rem;max-width:68ch}
.muted{color:var(--muted)}
.small{font-size:.91rem}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:.25s ease}
.site-header.is-scrolled{border-color:var(--line);box-shadow:0 6px 22px rgba(15,23,42,.06)}
.header-inner{height:var(--header);display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;flex:0 0 auto;text-decoration:none}
.brand-official{gap:10px;min-height:48px;color:var(--ink)}
.brand-mark{position:relative;display:inline-block;width:48px;height:42px;overflow:hidden;border-radius:9px;background:#0b1220;flex:0 0 48px;border:1px solid #243146}
.brand-mark img{position:absolute;left:0;top:50%;transform:translateY(-50%);width:294px;max-width:none;height:42px;object-fit:contain;object-position:left center}
.brand-mark img.brand-mark-fallback{position:static;transform:none;width:100%;height:100%;padding:7px;object-fit:contain}
.brand-name{font-size:1.05rem;font-weight:800;letter-spacing:-.025em;white-space:nowrap;color:var(--ink)}

.site-nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.site-nav a{padding:9px 10px;border-radius:9px;text-decoration:none;color:#344054;font-size:.92rem;font-weight:650}
.site-nav a:hover,.site-nav a.active{background:#f2f4f7;color:var(--ink)}
.nav-download{margin-left:6px!important;background:var(--ink)!important;color:#fff!important;padding-inline:16px!important}
.mobile-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:white;border-radius:10px;width:42px;height:42px;cursor:pointer}
.hero{padding:72px 0 66px;scroll-margin-top:var(--header)}
.hero-inner{max-width:860px;margin:auto;text-align:center}
.hero h1{font-size:clamp(2.85rem,7vw,5.6rem);line-height:.98;letter-spacing:-.055em;margin:0 auto 20px;max-width:950px}
.hero .lead{margin:0 auto}
.hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 18px;border-radius:10px;border:1px solid var(--ink);font-weight:800;text-decoration:none;transition:.2s ease;cursor:pointer}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-secondary{background:white;color:var(--ink);border-color:var(--line)}
.hero-chips{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:24px 0 0;padding:0;list-style:none}
.hero-chips li,.tag{border:1px solid var(--line);border-radius:999px;padding:7px 11px;background:#fff;color:#475467;font-size:.82rem;font-weight:700}
.hero-visual{margin:38px auto 0;max-width:920px;border:1px solid var(--line);border-radius:18px;padding:10px;background:white;box-shadow:var(--shadow)}
.hero-visual img{border-radius:12px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.visual-card{border:1px solid var(--line);padding:10px;border-radius:var(--radius);background:white}
.visual-card img{border-radius:10px}
.info-list{display:grid;gap:12px;padding:0;margin:24px 0 0;list-style:none}
.info-list li{display:grid;grid-template-columns:26px 1fr;gap:10px;align-items:start}
.info-list b{display:block;margin-bottom:3px}
.dot-icon{width:24px;height:24px;border:1px solid #bcd4d1;border-radius:7px;display:grid;place-items:center;color:var(--accent);font-weight:900}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin:4px 0 8px;font-size:1.08rem}
.card p{margin:0;color:var(--muted)}
.feature-icon{width:38px;height:38px;border:1px solid #cbd5e1;border-radius:10px;display:grid;place-items:center;margin-bottom:14px;font-weight:900;color:var(--accent)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.step{padding:24px;background:white;min-height:190px}
.step+.step{border-left:1px solid var(--line)}
.step-num{font-size:.8rem;color:var(--accent);font-weight:900;letter-spacing:.09em}
.step h3{font-size:1.08rem;margin:20px 0 8px}
.step p{margin:0;color:var(--muted)}
.compat-row{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.check-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:white}
.check-row{display:grid;grid-template-columns:1.2fr 1fr 1fr;padding:14px 16px;gap:12px}
.check-row+ .check-row{border-top:1px solid var(--line)}
.check-row.head{font-size:.78rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em;background:#f8fafc;color:#667085}
.status{font-weight:800;color:var(--accent)}
.use-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.use-card{border-top:2px solid var(--ink);padding:18px 2px}
.use-card h3{margin:0 0 6px;font-size:1rem}
.use-card p{margin:0;color:var(--muted);font-size:.92rem}
.download-box{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;padding:34px;border:1px solid #b9c4d1;border-radius:18px;background:white;box-shadow:0 16px 50px rgba(15,23,42,.06)}
.download-box img{border-radius:12px}
.download-box h2{font-size:clamp(2.1rem,4vw,3.5rem);margin:0 0 12px;line-height:1.02;letter-spacing:-.04em}
.download-meta{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 22px}
.notice{border-left:3px solid var(--accent);background:#f7fbfa;padding:18px 20px;border-radius:0 12px 12px 0}
.notice.warning{border-color:#d97706;background:#fffbeb}
.procon{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.procon ul{margin:10px 0 0;padding-left:20px}
.procon li+li{margin-top:8px}
.release-band{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.release-item{padding:20px;background:white}
.release-item+.release-item{border-left:1px solid var(--line)}
.release-item span{display:block;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.07em;font-weight:800}
.release-item strong{display:block;margin-top:5px;font-size:1.08rem}
.trouble-list{display:grid;gap:10px}
.trouble{display:grid;grid-template-columns:160px 1fr;gap:24px;border-bottom:1px solid var(--line);padding:16px 0}
.trouble strong{font-size:.95rem}
.guides-grid,.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.guide-card,.blog-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;text-decoration:none}
.guide-card img,.blog-card img{aspect-ratio:16/9;object-fit:cover}
.guide-card .body,.blog-card .body{padding:18px}
.guide-card h3,.blog-card h2,.blog-card h3{font-size:1.05rem;line-height:1.35;margin:0 0 8px}
.guide-card p,.blog-card p{color:var(--muted);font-size:.92rem;margin:0}
.guide-card:hover,.blog-card:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.faq-tabs{display:flex;gap:8px;justify-content:center;margin-bottom:20px}
.faq-tab{border:1px solid var(--line);background:white;padding:9px 14px;border-radius:999px;font-weight:800;cursor:pointer}
.faq-tab.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.faq-category{display:none;max-width:880px;margin:auto}
.faq-category.active{display:block}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;border:0;background:transparent;padding:19px 2px;display:flex;justify-content:space-between;gap:20px;text-align:left;font-weight:800;cursor:pointer}
.faq-question span:last-child{font-size:1.2rem;transition:.2s}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-answer p{margin:0;padding:0 34px 19px 2px;color:var(--muted)}
.page-hero{text-align:center;padding-top:72px;padding-bottom:50px}
.page-hero .lead{margin:18px auto 0}
.breadcrumbs{width:min(1120px,calc(100% - 36px));margin:18px auto 0;display:flex;gap:8px;color:#667085;font-size:.86rem}
.breadcrumbs a{text-decoration:none}
.content-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:38px;align-items:start}
.article{min-width:0}
.article h2{font-size:1.75rem;line-height:1.2;margin:42px 0 12px;letter-spacing:-.02em}
.article h3{font-size:1.22rem;margin:28px 0 10px}
.article p,.article li{color:#344054}
.article pre{background:#101827;color:#d8e4ee;padding:18px;border-radius:12px;overflow:auto;font-size:.9rem}
.article code{font-family:"Poppins",sans-serif}
.article .hero-image{border:1px solid var(--line);border-radius:14px;margin:22px 0 34px}
.sidebar{position:sticky;top:92px;display:grid;gap:14px}
.sidebar .card{padding:18px}
.sidebar h3{margin:0 0 10px}
.sidebar a{display:block;text-decoration:none;padding:8px 0;color:#344054;border-bottom:1px solid #edf1f5}
.sidebar a:last-child{border-bottom:0}
.related{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
.blog-toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:22px}
.blog-note{border:1px solid var(--line);border-radius:12px;padding:12px 15px;color:var(--muted);font-size:.9rem;background:#fff}
.legal{max-width:860px;margin:auto}
.legal h2{margin-top:34px}
.contact-panel{max-width:780px;margin:auto;border:1px solid var(--line);border-radius:16px;padding:30px;background:#fff}
.contact-row{display:grid;grid-template-columns:170px 1fr;gap:22px;padding:17px 0;border-bottom:1px solid var(--line)}
.contact-row:last-child{border-bottom:0}
#site-footer.site-footer{background:#0b1220;color:#d7dee8;padding:52px 0 22px;border-top:1px solid #1e293b}
.footer-shell{position:relative}
.footer-grid{display:grid;grid-template-columns:1.35fr .65fr 1.05fr;gap:48px;align-items:start}
.footer-brand{min-width:0}
.footer-logo{display:inline-flex;align-items:center;gap:11px;text-decoration:none;margin-bottom:16px}
.footer-brand-mark{width:50px;height:44px;flex-basis:50px;border-color:#334155;background:#050a13}
.footer-brand-mark img{height:44px;width:308px}
.footer-brand-name{font-size:1.24rem;font-weight:800;color:#fff;letter-spacing:-.025em;white-space:nowrap}
.footer-brand p{color:#aeb9c8;max-width:48ch;margin:0 0 12px;line-height:1.8}
.footer-contact{font-weight:500;color:#d6deea!important}
.footer-links h3{font-size:.88rem;color:#fff;margin:3px 0 13px;text-transform:uppercase;letter-spacing:.08em}
.footer-links a{display:block;text-decoration:none;color:#c4cfdd;padding:6px 0;transition:color .18s ease,transform .18s ease}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-legal{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px 20px;margin:0;padding:0;border:0}
.footer-legal a{text-decoration:none}
.footer-bottom{margin-top:34px;padding-top:22px;border-top:1px solid #263247;text-align:center}
.copyright{margin:0;color:#c8d2df;font-size:.88rem;text-align:center}
.copyright a{text-decoration:none;color:#fff;font-weight:600}
.footer-disclaimer{margin:9px auto 0;color:#8f9cad;font-size:.78rem;line-height:1.6;text-align:center;max-width:760px}
.scroll-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);display:none;cursor:pointer}
.scroll-top.show{display:block}
.reveal{opacity:0;transform:translateY(14px);transition:.55s ease}
.reveal.visible{opacity:1;transform:none}
.only-screenreader{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px)}
@media(max-width:980px){
  .site-nav{display:none;position:absolute;top:calc(var(--header) - 1px);left:18px;right:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow)}
  .site-nav.open{display:grid}
  .site-nav a{padding:11px 12px}
  .nav-download{margin-left:0!important;margin-top:4px}
  .mobile-toggle{display:grid;place-items:center}
  .split,.compat-row,.download-box,.content-wrap{grid-template-columns:1fr}
  .grid-3,.guides-grid,.blog-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .step:nth-child(3){border-left:0;border-top:1px solid var(--line)}
  .step:nth-child(4){border-top:1px solid var(--line)}
  .use-grid{grid-template-columns:1fr 1fr}
  .release-band{grid-template-columns:1fr 1fr}
  .release-item:nth-child(3){border-left:0;border-top:1px solid var(--line)}
  .release-item:nth-child(4){border-top:1px solid var(--line)}
  .sidebar{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer-brand{grid-column:1/-1}
  .footer-legal{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  :root{--header:66px}
  .shell,.breadcrumbs{width:min(100% - 26px,1120px)}
  .section-pad{padding:58px 0}
  .hero{padding:52px 0}
  .brand-mark{width:42px;height:38px;flex-basis:42px}
  .brand-mark img{height:38px;width:266px}
  .brand-name{font-size:.96rem}
  .brand-official{padding:6px 10px;min-height:44px}
  .hero h1{font-size:clamp(2.5rem,15vw,4rem)}
  .section-head{display:block}
  .section-head .lead{margin-bottom:0}
  .grid-3,.guides-grid,.blog-grid,.use-grid,.procon,.related{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step+.step{border-left:0;border-top:1px solid var(--line)}
  .check-row{grid-template-columns:1fr;gap:2px}
  .check-row.head{display:none}
  .release-band{grid-template-columns:1fr}
  .release-item+.release-item{border-left:0;border-top:1px solid var(--line)}
  .trouble{grid-template-columns:1fr;gap:6px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand{grid-column:auto}
  .footer-legal{grid-template-columns:1fr}
  .footer-logo img{height:34px;max-width:260px}
  .footer-bottom{margin-top:28px}
  .contact-row{grid-template-columns:1fr;gap:4px}
  .download-box{padding:22px}
  .faq-tabs{justify-content:flex-start;overflow-x:auto}
}