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a{color:#1a5fb4;text-decoration:none}header{background:#fff;border-bottom:1px solid #e3e6ea}.w{max-width:760px;margin:0 auto;padding:0 20px}
header .w{display:flex;justify-content:space-between;align-items:center;height:60px}header b{font-size:19px}nav a{margin-right:18px;color:#3b4552}
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