:root{--ink:#080E19;--night:#0E1727;--nav:#121F32;--nav-card:#1A2B40;--ocean:#173555;--brand-blue:#215CB0;--button-blue:#1A519F;--bright-blue:#4A9AE6;--ice:#73CEE6;--paper:#F4F7FB;--paper-blue:#E8F1FA;--warm-white:#FBF9F5;--card:#FFFFFF;--dark-title:#172C41;--dark-body:#344B60;--night-title:#FAFCFF;--night-body:#DAE5EF;--coral:#E18B79;--mint:#6DBCB1;--amber:#E6B46F;--lilac:#AB9CDB}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--dark-body);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.74;overflow-x:hidden}a{color:inherit;text-decoration:none}a:hover{color:var(--brand-blue)}button,input,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--dark-title);line-height:1.35}h1{font-size:clamp(27px,3vw,39px)}h2{font-size:clamp(21px,2.1vw,27px)}h3{font-size:18px}.container{width:min(1240px,calc(100% - 64px));margin-inline:auto}.skip{position:absolute;transform:translateY(-150%);background:#fff;padding:10px;z-index:101}.skip:focus{transform:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}:focus-visible{outline:3px solid var(--ice);outline-offset:3px}.utility{height:30px;background:var(--ink);color:#dce6f2;font-size:12px}.utility-inner{height:100%;display:flex;justify-content:space-between;align-items:center}.utility-inner a{margin-left:20px}.utility-inner a:hover{color:var(--ice)}.utility i{color:var(--ice)}.site-head{background:var(--nav);color:#fff;position:relative;z-index:15}.header-inner{min-height:72px;display:flex;align-items:center;gap:26px}.wordmark{display:inline-flex;flex-shrink:0;color:white}.wordmark-text{display:flex;align-items:center;gap:2px;font-size:28px;font-weight:900;letter-spacing:1px;line-height:1}.wordmark-text>span{color:var(--ice)}.wordmark-text small{display:block;font-size:9px;margin-left:10px;letter-spacing:2px;color:var(--night-body);max-width:62px;line-height:1.6}.logo-img{width:140px;max-height:50px;object-fit:contain}.main-nav{display:flex;align-items:stretch;gap:23px;align-self:stretch;margin-left:auto}.main-nav 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@media(max-width:1150px){.main-nav{gap:13px}.header-inner{gap:16px}.head-search{display:none}.channel-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:860px){.container{width:calc(100% - 44px)}.main-nav{display:none}.header-inner{justify-content:space-between}.menu-toggle{margin-left:auto}.home-columns{display:block}.side-index{display:none}.page-grid{grid-template-columns:1fr}.page-aside{border:0;border-top:1px solid #dce6f0;padding:20px 0}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-inner{grid-template-columns:1fr 1fr}.hero-art{height:300px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:0.01ms!important}}