 :root{--main:#1E6FD9;--dark:#0E2A44;--ink:#1C3A56;--muted:#3D5C78;--ice:#F4F8FC;--pale:#E8F1FA;--coral:#E07A62;--gold:#E2B23A;--line:rgba(30,111,217,.26)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ice);color:var(--ink);font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;font-size:15px;line-height:1.8}body.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #0E4A9E;outline-offset:3px}.wrap{width:min(960px,calc(100% - 32px));margin:auto}.skip{position:absolute;top:-60px}.skip:focus{top:6px;z-index:100}.top{position:sticky;top:0;z-index:30;background:#E8F1FA;border-bottom:3px solid var(--main)}.topin{max-width:1040px;min-height:62px;margin:auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:9px;min-width:0}.brand 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