:root{--paper:#f5f2e9;--ink:#293a34;--muted:#777c70;--line:#dddccf;--jade:#3e6251;--red:#a64e3c;--white:#fcfbf5}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px}button,input,select,textarea{font:inherit}button,a,select{touch-action:manipulation}button{cursor:pointer}button{color:inherit}a{color:inherit;text-decoration:none}button{border:0;background:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--red);outline-offset:4px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;height:92px;max-width:1420px;margin:auto;padding:0 52px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;font-family:"Songti SC","Noto Serif 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@media(max-width:720px){.period-btn{width:auto}}
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