:root{--bg:#151A23;--panel:#1B2130;--panel2:#202738;--panel3:#252D40;--gold:#F1DCA3;--gold2:#E3C98F;--text:#E8ECF5;--muted:#B8C0D3;--soft:#8F98AD;--border:rgba(241,220,163,.14);--shadow:0 14px 36px rgba(0,0,0,.28);--footer:#0E121A}
*{box-sizing:border-box}html,body{margin:0;max-width:100%;overflow-x:hidden;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;scroll-behavior:smooth}body{min-height:100%}a{color:inherit}img,.media,.card,.grid>*{max-width:100%}button,a{font:inherit}.skip-link{position:fixed;left:12px;top:8px;z-index:20000;padding:10px 14px;background:var(--gold);color:var(--bg);border-radius:10px;transform:translateY(-150%)}.skip-link:focus{transform:none}.shell{width:min(1280px,calc(100% - 44px));margin:0 auto}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#151A23;box-shadow:0 8px 24px rgba(0,0,0,.22);backdrop-filter:blur(10px)}.header-inner{max-width:1280px;min-height:74px;margin:0 auto;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}.site-logo{display:inline-flex;align-items:center;justify-content:flex-start;min-width:120px;text-decoration:none}.site-logo img{display:block;height:46px;width:auto;max-width:160px;object-fit:contain}.logo-text{font-size:28px;line-height:1;color:var(--gold);font-weight:800;letter-spacing:2px}.nav-core{display:flex;align-items:center;gap:18px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{color:#F1DCA3;padding:10px 4px;position:relative;font-weight:700;text-decoration:none}.nav-core a.active::after{content:"";position:absolute;left:50%;bottom:-10px;width:28px;height:3px;border-radius:999px;background:#F1DCA3;transform:translateX(-50%)}.header-reg-btn{height:44px;min-width:96px;padding:0 20px;display:inline-flex;align-items:center;justify-content:center;background:#F1DCA3;color:#151A23;border-radius:999px;text-decoration:none;font-weight:700;white-space:nowrap;box-shadow:0 10px 24px rgba(241,220,163,.18)}.header-reg-btn:hover{background:var(--gold2)}.mobile-header{display:none}.channel-bar{background:#1B2130;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.channel-inner{width:min(1280px,calc(100% - 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@media(max-width:1023px){.channel-bar,.floating-tools{display:none}.grid-4,.number-list{grid-template-columns:repeat(2,minmax(0,1fr))}.section{padding:72px 0}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767px){body{padding-bottom:62px}.desktop-header{display:none}.mobile-header{display:grid;grid-template-columns:72px minmax(0,1fr) 96px;min-height:66px;padding:0 12px;gap:8px}.menu-btn{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;border:1px solid var(--border);border-radius:12px;background:var(--panel);cursor:pointer}.mobile-logo{justify-content:center;min-width:0}.mobile-logo img{height:38px;max-width:112px}.mobile-header .header-reg-btn{height:40px;min-width:88px;padding:0 12px;font-size:14px}.site-logo .logo-text{font-size:22px}.shell{width:min(100% - 32px,1280px)}.section{padding:56px 0}.section.compact{padding:48px 0}h1{font-size:clamp(30px,9vw,38px)}h2{font-size:clamp(24px,7vw,28px)}p,li{font-size:16px;line-height:1.8}.hero-copy .lead{font-size:18px}.split,.split.reverse{grid-template-columns:1fr;gap:26px}.split.reverse .visual{order:0}.grid-2,.grid-3,.grid-4,.number-list,.feedback-grid{grid-template-columns:1fr}.media-banner{min-height:150px;max-height:200px}.media-card{max-height:150px}.media-block{max-height:190px}.media-app{max-width:190px;max-height:320px}.hero-arrow{width:38px;height:38px}.hero-prev{left:8px}.hero-next{right:8px}.article-wrap{width:min(100% - 32px,900px)}.article-hero{padding:56px 0 34px}.article-section{padding:42px 0}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.site-footer{padding-bottom:34px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);min-height:58px;background:var(--bg);border-top:1px solid rgba(241,220,163,.34);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:var(--muted);text-decoration:none;font-weight:800;font-size:14px}.mobile-bottom a.active{color:var(--gold);background:rgba(241,220,163,.05)}.cta-band{align-items:flex-start;flex-direction:column}}
@media(max-width:420px){.mobile-header{grid-template-columns:56px minmax(0,1fr) 90px;padding:0 10px;gap:6px}.mobile-logo img{max-width:102px;height:36px}.mobile-header .header-reg-btn{min-width:84px;padding:0 9px}.menu-btn{width:42px;height:42px}.card{padding:20px}.number-item{padding-left:20px;padding-right:20px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.card:hover{transform:none}.hero-dot.active{transform:none}}