:root{--paper:#f1f0e9;--ink:#171916;--muted:#6f716a;--green:#214d39;--orange:#e65331;--white:#fffef8}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;color:var(--ink);background:var(--paper);font-family:PingFang SC,Microsoft YaHei,Noto Sans CJK SC,system-ui,sans-serif;letter-spacing:0;-webkit-font-smoothing:antialiased}a{color:inherit}button{font:inherit}.page{min-height:100svh;display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,32vw);grid-template-rows:72px minmax(430px,1fr) 112px}.topbar{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;padding:0 30px;border-bottom:1px solid var(--ink)}.monogram{font-size:18px;font-weight:800}.index,.place,footer{color:var(--muted);font:600 10px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace}.intro{min-width:0;padding:clamp(34px,5vw,72px) 30px;display:flex;flex-direction:column;justify-content:space-between;border-right:1px solid var(--ink)}.index{color:var(--orange)}.intro h1{margin:auto 0;font-size:clamp(5rem,12.5vw,13rem);font-weight:500;line-height:.95;letter-spacing:0;white-space:nowrap;animation:appear .7s cubic-bezier(.2,.75,.2,1) both}.intro h1,.intro p{font-family:Songti SC,STSong,"Noto Serif CJK SC",serif}.intro p{margin:0;font-size:clamp(1.35rem,2vw,2rem)}@keyframes appear{0%{opacity:0;transform:translateY(18px)}}.contact,.wechat{display:grid}.wechat{min-width:0;padding:28px;grid-template-columns:30px minmax(0,1fr) auto;align-items:center;grid-gap:14px;gap:14px}.wechat>span:nth-child(2){font-size:clamp(.9rem,1.15vw,1.1rem);overflow-wrap:anywhere}.wechat-icon{width:22px;height:22px;display:grid;place-items:center;border:1px solid;font-size:10px}.copy-button{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--ink);border-radius:0;color:var(--ink);background:transparent;cursor:pointer;transition:color .2s ease,background .2s ease}.copy-button:hover{color:var(--white);background:var(--ink)}.copy-button span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}footer{grid-column:1/-1;padding:0 30px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--ink)}footer:before{content:"";width:44px;height:8px;background:var(--orange)}@media (max-width:760px){.page{grid-template-columns:1fr;grid-template-rows:58px minmax(390px,1fr) auto 80px}.topbar{padding:0 16px}.intro{min-height:58svh;padding:28px 16px 34px;border-right:0;border-bottom:1px solid var(--ink)}.intro h1{font-size:clamp(4rem,20.5vw,6.8rem)}.contact{min-height:230px}.wechat{padding:20px 16px}footer{padding:0 16px}footer:before{display:none}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;transition-duration:.01ms!important}}