:root{color-scheme:dark;--bg:#10110f;--fg:#efeee8;--muted:#a19f96;--line:#393a34}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif}header,main,footer{margin-inline:auto;width:calc(100% - 112px);max-width:1440px}header{height:98px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}header>a{font-size:30px;font-weight:800;letter-spacing:-2px}header a span{font-size:12px;font-weight:400;letter-spacing:0}header>span,main>p,footer{font-size:10px;letter-spacing:.1em;color:var(--muted)}a{color:inherit;text-decoration:none}a:focus-visible{outline:2px solid var(--fg);outline-offset:7px}main{position:relative;padding-block:50px 80px;min-height:70vh}h1{font-size:clamp(45px,7vw,100px);line-height:1.5;font-weight:400;margin:50px 0 25px}h1 em{font-family:Georgia,serif;font-weight:400}.intro{line-height:2;font-size:13px;margin-bottom:30px}.return{display:inline-block;font-size:12px;border-bottom:1px solid var(--line);padding-bottom:8px}.mark{position:absolute;right:20px;top:110px;font-size:160px;animation:turn 35s linear infinite}footer{border-top:1px solid var(--line);padding-block:20px}@keyframes turn{to{transform:rotate(360deg)}}@media(prefers-color-scheme:light){:root{color-scheme:light;--bg:#f4f1e9;--fg:#22251f;--muted:#64675d;--line:#c9c8bb}}@media(max-width:680px){header,main,footer{width:calc(100% - 40px)}header{height:78px}header>span{font-size:8px}.mark{font-size:65px;top:35px;right:5px}h1{font-size:43px}.intro{font-size:12px}}@media(prefers-reduced-motion:reduce){*{animation:none!important}}