:root{--bg:#F4F7FA;--white:#FFF;--soft:#EAF1F6;--mint:#E9F8F8;--navy:#102E46;--deep:#163C57;--aqua:#13B8C5;--blue:#237BD3;--title:#18364B;--body:#344C60;--muted:#64798A;--line:#DCE6ED;--footer:#0B2539;--space:clamp(30px,4.5vw,64px)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:var(--bg);color:var(--body);font:16px/1.8 Arial,'PingFang SC','Microsoft YaHei',sans-serif;overflow-wrap:break-word}img{display:block;max-width:100%;height:auto}a{color:#126da9;text-underline-offset:3px}a:hover{color:#086274}button{font:inherit;cursor:pointer}h1,h2,h3{color:var(--title);line-height:1.38;letter-spacing:.01em}h1{font-size:clamp(32px,3.3vw,42px);margin:0 0 20px}h2{font-size:clamp(23px,2.1vw,28px);margin:0 0 18px}h3{font-size:20px;margin:0 0 10px}p{margin:0 0 17px}ul,ol{padding-left:1.35em}li{margin:0 0 10px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid 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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* No-JavaScript navigation must remain usable on mobile. */
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