:root{--bg:#0b0b10;--bg2:#101017;--card:#15151d;--card2:#1b1b25;--line:rgba(255,178,72,.14);--line2:rgba(255,178,72,.32);--text:#ececf2;--muted:#a9a9b9;--acc:#FF6A00;--acc2:#FFD23F;--gold:#FFC23D;--blue:#2FA8FF;--violet:#6B5BFF;--link:#6cc4ff;--ok:#3ddc84;--radius:16px;--max:1180px;--grad:linear-gradient(135deg,#FFD23F 0%,#FF9A1F 52%,#FF6A00 100%);--grad2:linear-gradient(135deg,#2FA8FF,#6B5BFF);--glow:0 10px 34px rgba(255,140,20,.38),0 0 0 1px rgba(255,210,63,.25) inset}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg) radial-gradient(1200px 600px at 100% -10%,rgba(255,122,0,.07),transparent 60%) fixed;color:var(--text);font:17px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--link);text-underline-offset:3px;text-decoration-color:rgba(108,196,255,.45)}a:hover{color:#a9dcff;text-decoration-color:currentColor}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:8px 14px;z-index:999}.skip:focus{left:8px}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,11,16,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.logo img{flex:none;width:40px;height:40px;border-radius:11px;box-shadow:0 4px 16px rgba(255,140,20,.3)}.logo span b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:6px;align-items:center}
.main-nav a{display:block;padding:9px 14px;border-radius:10px;color:var(--text);text-decoration:none;font-weight:600;font-size:.97rem}
.main-nav a:hover,.main-nav a[aria-current=page]{background:var(--card2);color:#fff;box-shadow:inset 0 -2px 0 var(--blue)}
.main-nav .nav-cta{background:var(--grad);color:#1a0f00;margin-left:6px;box-shadow:var(--glow)}.main-nav .nav-cta:hover{filter:brightness(1.08);background:var(--grad);color:#1a0f00;box-shadow:var(--glow)}
.nav-toggle{display:none;background:var(--card);border:1px solid var(--line);color:#fff;border-radius:10px;width:44px;height:44px;cursor:pointer}
.nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{display:block;width:20px;height:2px;background:#fff;margin:auto;position:relative;transition:.2s}
.nav-toggle span:before,.nav-toggle span:after{content:"";position:absolute;left:0}.nav-toggle span:before{top:-6px}.nav-toggle span:after{top:6px}
.nav-open .nav-toggle span{background:transparent}.nav-open .nav-toggle span:before{top:0;transform:rotate(45deg)}.nav-open .nav-toggle span:after{top:0;transform:rotate(-45deg)}
@media(max-width:860px){.nav-toggle{display:block}.main-nav{position:absolute;top:68px;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--line);display:none;padding:10px 16px 18px}
.nav-open .main-nav{display:block}.main-nav ul{flex-direction:column;align-items:stretch}.main-nav a{padding:13px 14px;font-size:1.05rem}.main-nav .nav-cta{margin:6px 0 0;text-align:center}}
/* hero */
.hero{position:relative;overflow:hidden;padding:56px 0 40px;background:radial-gradient(900px 420px at 85% 0%,rgba(255,122,0,.20),transparent 60%),radial-gradient(600px 380px at 0% 100%,rgba(255,210,63,.10),transparent 60%),radial-gradient(500px 300px at 55% 40%,rgba(107,91,255,.10),transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.eyebrow{display:inline-flex;gap:8px;align-items:center;font-size:.85rem;font-weight:700;color:#bfe3ff;background:linear-gradient(135deg,rgba(47,168,255,.14),rgba(107,91,255,.14));border:1px solid rgba(108,160,255,.38);padding:6px 12px;border-radius:999px}
.hero h1,.page-hero h1{font-size:clamp(1.9rem,4.2vw,3.1rem);line-height:1.15;margin:16px 0 14px;letter-spacing:-.03em}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead,.page-hero p.lead{font-size:1.12rem;color:var(--muted);margin:0 0 22px}
.hero-img{border-radius:22px;border:1px solid var(--line2);box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 60px rgba(255,122,0,.18)}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:12px;font-weight:700;text-decoration:none;border:1px solid transparent;font-size:1rem;cursor:pointer}
.btn-primary{background:var(--grad);color:#1a0f00;box-shadow:var(--glow);transition:transform .15s,filter .15s}.btn-primary:hover{color:#1a0f00;filter:brightness(1.07);transform:translateY(-1px)}
.btn-ghost{background:var(--card);border-color:var(--line);color:#fff}.btn-ghost:hover{border-color:var(--blue);color:#fff;box-shadow:0 0 0 3px rgba(47,168,255,.15)}
.hero-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;font-size:.9rem;color:var(--muted)}
.hero-meta span:before{content:"✓ ";color:var(--blue);font-weight:800}
@media(max-width:860px){.hero{padding:30px 0 24px}.hero-grid{grid-template-columns:1fr;gap:24px}.btn{flex:1 1 auto;justify-content:center}}
/* page hero */
.page-hero{padding:34px 0 10px}.page-hero .feature{margin-top:22px;border-radius:18px;border:1px solid var(--line)}
/* breadcrumbs */
.breadcrumbs{font-size:.88rem;color:var(--muted);padding-top:18px}.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.breadcrumbs li+li:before{content:"›";margin-right:6px;color:#6b6b7d}.breadcrumbs a{color:var(--muted);text-decoration:none}.breadcrumbs a:hover{color:#fff}
/* layout */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;padding:28px 0 60px}
@media(max-width:1000px){.layout{grid-template-columns:1fr}}
.sidebar{display:flex;flex-direction:column;gap:20px}.sidebar .box{position:static}
.sticky{position:sticky;top:90px}
.box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.box h2,.box h3{font-size:1.05rem;margin:0 0 12px}
.box ul{margin:0;padding-left:18px}.box li{margin:6px 0;font-size:.95rem}
/* article */
.prose{min-width:0}
.prose h2{font-size:clamp(1.4rem,2.6vw,1.85rem);line-height:1.25;margin:46px 0 14px;letter-spacing:-.02em;scroll-margin-top:90px}
.prose h3{font-size:1.22rem;margin:30px 0 10px;scroll-margin-top:90px}
.prose p,.prose li{color:#d4dae6}.prose strong{color:#fff}
.prose ul,.prose ol{padding-left:24px}.prose li{margin:6px 0}
.prose figure{margin:28px 0}.prose figure img{border-radius:14px;border:1px solid var(--line)}
.prose figcaption{font-size:.88rem;color:var(--muted);margin-top:8px;text-align:center}
.prose blockquote{margin:24px 0;padding:14px 20px;border-left:4px solid var(--blue);background:var(--bg2);border-radius:0 12px 12px 0}
.table-wrap{overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:12px}
.prose table{border-collapse:collapse;width:100%;min-width:520px;font-size:.95rem}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.prose th{background:var(--card2);color:var(--gold)}.prose tr:last-child td{border-bottom:0}
.answer{background:linear-gradient(135deg,rgba(255,154,31,.12),rgba(107,91,255,.08));border:1px solid var(--line2);box-shadow:0 0 40px rgba(255,140,20,.06);border-radius:var(--radius);padding:18px 20px;margin:8px 0 26px}
.answer strong.lbl{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--gold);margin-bottom:6px}
.answer p{margin:0;color:#eef1f7}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:0 0 26px}
.facts div{background:var(--card);padding:14px 16px}.facts dt{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.facts dd{margin:4px 0 0;font-weight:700;color:#fff;font-size:.98rem}
.facts-note{font-size:.85rem;color:var(--muted);margin:-16px 0 26px}
.meta-line{display:flex;flex-wrap:wrap;gap:14px;font-size:.9rem;color:var(--muted);margin:6px 0 0}
.meta-line a{color:var(--muted)}
.toc{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin:0 0 26px}
.toc summary{cursor:pointer;font-weight:700}.toc ol{margin:10px 0 0;padding-left:20px}.toc li{margin:4px 0;font-size:.95rem}.toc a{color:#d4dae6;text-decoration:none}.toc a:hover{color:#fff;text-decoration:underline}
.pillar-box{display:flex;gap:16px;align-items:center;background:var(--bg2);border:1px dashed rgba(108,160,255,.45);border-radius:var(--radius);padding:16px 18px;margin:30px 0}
.pillar-box p{margin:0}
.callout{background:var(--bg2);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:12px;padding:14px 18px;margin:22px 0}
.callout.warn{border-left-color:#ffcc00}
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}@media(max-width:640px){.proscons{grid-template-columns:1fr}}
.proscons>div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.proscons h3{margin-top:0}
.author{display:flex;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:34px 0}
.author .av{flex:none;width:54px;height:54px;border-radius:50%;background:var(--grad2);display:grid;place-items:center;font-weight:800;color:#fff}
.author p{margin:2px 0;font-size:.95rem;color:var(--muted)}.author strong{color:#fff}
/* faq */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin:10px 0;padding:0 18px}
.faq summary{cursor:pointer;padding:16px 0;font-weight:700;list-style:none;position:relative;padding-right:28px}
.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";position:absolute;right:0;top:12px;font-size:1.4rem;color:var(--blue)}.faq details[open]{border-color:var(--line2)}
.faq details[open] summary:after{content:"–"}.faq details p{margin:0 0 16px;color:#d4dae6}
/* cards */
.section{padding:50px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px;flex-wrap:wrap}
.section-head h2{margin:0;font-size:clamp(1.4rem,2.6vw,2rem);letter-spacing:-.02em}.section-head p{margin:4px 0 0;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-3px);border-color:var(--line2);box-shadow:0 14px 40px rgba(0,0,0,.45),0 0 30px rgba(255,140,20,.08)}
.card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.card .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .cat{font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--gold)}
.card h3{margin:0;font-size:1.07rem;line-height:1.35}.card h3 a{color:#fff;text-decoration:none}.card h3 a:hover{color:#a9dcff}
.card p{margin:0;color:var(--muted);font-size:.93rem;line-height:1.55}
.card .date{font-size:.8rem;color:#8a8a9c;margin-top:auto}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 24px}.chips a{padding:8px 14px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--text);text-decoration:none;font-size:.9rem;font-weight:600}
.chips a:hover{border-color:var(--blue);color:#fff}.chips a[aria-current=page]{background:var(--grad);border-color:transparent;color:#1a0f00}
.pagination{display:flex;gap:8px;justify-content:center;margin:34px 0 0;flex-wrap:wrap}.pagination a,.pagination span{min-width:44px;height:44px;display:grid;place-items:center;padding:0 14px;border-radius:10px;background:var(--card);border:1px solid var(--line);color:#fff;text-decoration:none;font-weight:700}
.pagination span[aria-current]{background:var(--grad);border-color:transparent;color:#1a0f00}.pagination a:hover{border-color:var(--blue)}
.devices{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:22px 0}
.device{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none;color:var(--text)}
.device:hover{border-color:var(--blue);color:#fff;box-shadow:0 0 0 3px rgba(47,168,255,.12)}.device b{display:block;font-size:1.05rem;color:#fff;margin-bottom:4px}.device small{color:var(--muted)}
.dl{background:radial-gradient(600px 260px at 50% 0%,rgba(255,140,20,.22),transparent 70%),radial-gradient(400px 200px at 50% 100%,rgba(107,91,255,.12),transparent 70%),var(--bg2);border:1px solid var(--line2);border-radius:22px;padding:34px 26px;text-align:center;margin:40px 0}
.dl h2{margin-top:0}.dl p{color:var(--muted);max-width:640px;margin:0 auto 18px}.dl .btns{justify-content:center}.dl small{display:block;margin-top:14px;color:#8a8a9c}.dl .app-ic{width:88px;height:88px;border-radius:22px;margin:0 auto 14px;box-shadow:0 10px 30px rgba(255,140,20,.35)}
/* footer */
.site-footer{background:#08080c;border-top:1px solid var(--line);padding:46px 0 26px;color:var(--muted);font-size:.93rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
.site-footer h2{font-size:.95rem;color:#fff;margin:0 0 12px}.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin:7px 0}
.site-footer a{color:var(--muted);text-decoration:none}.site-footer a:hover{color:#fff}
.foot-bottom{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.85rem}
.form{display:grid;gap:14px;max-width:620px}.form label{font-weight:600;font-size:.95rem}
.form input,.form textarea,.form select{width:100%;padding:13px 14px;border-radius:10px;border:1px solid var(--line);background:var(--bg2);color:#fff;font:inherit}
.form input:focus,.form textarea:focus{outline:2px solid var(--blue);border-color:transparent}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.center{text-align:center}.mt0{margin-top:0}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media(max-width:640px){.facts{grid-template-columns:1fr 1fr}}


.facts-wrap{display:flex;gap:18px;align-items:stretch;margin:0 0 26px}.facts-wrap .facts{flex:1;margin:0}
.facts-ic{flex:none;width:150px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:14px;text-align:center;font-size:.85rem;color:var(--muted)}
.facts-ic img{width:96px;height:96px;border-radius:22px;box-shadow:0 8px 26px rgba(255,140,20,.3)}.facts-ic b{color:#fff;font-size:.98rem}
@media(max-width:640px){.facts-wrap{flex-direction:column}.facts-ic{width:auto;flex-direction:row;justify-content:flex-start;text-align:left}.facts-ic img{width:64px;height:64px;border-radius:16px}}
.facts dt{color:#9d9db0}.facts dd{color:#fff}
.prose h2{background:linear-gradient(90deg,#fff 0%,#fff 60%,#ffe3b0 100%);-webkit-background-clip:text;background-clip:text}
.prose h2:before{content:"";display:block;width:44px;height:4px;border-radius:4px;background:var(--grad);margin-bottom:12px}
.toc{border-color:var(--line)}.toc a:hover{color:var(--link)}
.sidebar .box h2{color:var(--gold)}
.site-footer h2{color:var(--gold)}