:root{--bg:#0B0B1A;--deep:#080812;--card:#12121F;--card2:#1A1A2A;--hover:#222233;--text:#E8E8F0;--muted:#A0A0B8;--faint:#6B6B80;--pink:#FF2D6A;--pink2:#FF4D8A;--purple:#9B4DFF;--border:rgba(255,45,106,.18);--border2:rgba(255,77,138,.45);--shadow:0 16px 48px rgba(0,0,0,.55);--glow:0 12px 36px rgba(255,45,106,.22);--radius:18px;--max:1280px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 20% -10%,rgba(155,77,255,.16),transparent 30%),var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.no-scroll{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.site-header{position:fixed;inset:0 0 auto;z-index:60;background:rgba(8,8,18,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}.topnav{height:72px;max-width:var(--max);margin:auto;padding:0 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h1{font-size:clamp(2.3rem,5vw,5.4rem);margin-bottom:14px}.page-hero .lead{max-width:820px}.quick-strip{max-width:var(--max);margin:0 auto;padding:0 20px 30px;overflow:hidden}.quick-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}.quick-row a{flex:0 0 auto;padding:9px 14px;border:1px solid var(--border);background:var(--card);border-radius:999px;color:var(--muted)}.quick-row a:hover{color:#fff;border-color:var(--border2)}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}.section-head h2{font-size:clamp(1.6rem,3vw,2.7rem);line-height:1.2;margin:8px 0 0;color:#fff}.section-head 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p{grid-column:1/-1;margin:0}}@media(max-width:640px){.site-header{background:rgba(8,8,18,.96)}.topnav{height:64px;padding:0 15px}.site-main{padding-top:64px}.brand-logo{max-height:31px;max-width:118px}.brand-text{font-size:1.15rem}.nav-actions{gap:6px}.search-trigger{display:none}.app-pill{padding:8px 13px;min-height:44px}.section{padding:54px 15px}.page-hero{padding:50px 15px 20px}.quick-strip{padding-left:15px;padding-right:15px}.hero-copy{padding:24px}.hero-copy h1,.page-hero h1{font-size:clamp(2rem,10vw,3.25rem)}.hero-media,.media-slot{min-height:240px}.grid-2,.grid-3,.grid-4,.grid-6{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:10px}.list-item{grid-template-columns:1fr auto}.list-item .number{grid-row:1/3}.step{grid-template-columns:54px 1fr;padding:18px}.masonry{columns:1}.site-footer{margin-top:28px}.footer-inner{padding:46px 15px 118px}.footer-grid{grid-template-columns:1fr 1fr;gap:20px 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a.is-active{background:rgba(255,45,106,.14);color:#fff}.overlay{z-index:80}.channel-drawer{z-index:90}.search-panel{z-index:88}.section:last-child{padding-bottom:90px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}