:root{--bg:#0F141D;--bg1:#151B27;--bg2:#1C2433;--bg3:#242D3D;--gold:#EED59A;--gold2:#C9A96A;--text:#EEF2F7;--muted:#BAC3D4;--hint:#8D97AA;--footer:#090D14;--line:rgba(238,213,154,.14);--shadow:0 18px 42px rgba(0,0,0,.32)}*{box-sizing:border-box}html,body{width:100%;min-height:100%;overflow-x:hidden}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-y:auto;-webkit-overflow-scrolling:touch;touch-action:pan-y}body.menu-open{overflow:hidden}a{color:var(--gold);text-decoration:none}img{display:block;max-width:100%;height:auto}.site-header{position:sticky;top:0;z-index:9999;background:#151A23;backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(0,0,0,.22)}.header-inner{max-width:1240px;height:72px;margin:auto;padding:0 20px;display:flex;align-items:center;gap:26px}.brand-logo{flex:0 0 auto}.brand-logo 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@media(max-width:768px){.site-header{position:sticky;top:0}.header-inner{height:64px;padding:0 12px;display:grid;grid-template-columns:42px 1fr auto;gap:8px}.menu-toggle{display:flex;width:40px;height:40px;align-items:center;justify-content:center;flex-direction:column;gap:5px;background:transparent;border:0}.menu-toggle span{width:22px;height:2px;background:var(--gold)}.brand-logo{justify-self:center}.brand-logo img{height:34px}.header-register{padding:8px 12px;font-size:13px}.nav-core,.channel-bar{display:none}.page-shell{padding:18px 14px 92px}.mobile-overlay,.mobile-drawer{display:block}.mobile-bottom{display:grid}.hero-intro{padding:24px 20px}.split,.split.reverse,.grid-2,.grid-3,.review-list{grid-template-columns:1fr}.split.reverse .visual{order:0}.feature-band{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.banner-slider{margin-top:0;border-radius:16px;min-height:150px}.slider-arrow{width:36px;height:36px}.content-matrix{overflow:hidden}}
@media(max-width:480px){.grid-4,.feature-band,.steps,.footer-grid{grid-template-columns:1fr}.header-register{padding:7px 10px}.hero-intro h1{font-size:30px}.page-shell{padding-left:12px;padding-right:12px}.slider-arrow{width:34px;height:34px}.banner-slider{min-height:120px}}