:root{--bg:#F3F7FB;--deep:#E6EFF7;--card:#fff;--soft:#DCEBF5;--title:#10263A;--text:#263B4C;--muted:#60788C;--aux:#8094A5;--brand:#3B9FE0;--bright:#67B9EC;--steel:#1E6FB8;--ice:#B8DDF3;--mint:#39A69C;--border:rgba(30,111,184,.16);--border-strong:rgba(59,159,224,.38);--shadow:0 14px 36px rgba(16,38,58,.08);--radius:14px;--top:72px;font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:linear-gradient(180deg,#F7FAFD 0,#F3F7FB 34%,#EDF4FA 100%);color:var(--text);overflow-x:hidden}body.modal-open{overflow:hidden}a{color:var(--steel);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid 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@media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}