/* 简洁阅读版：统一字体、单栏和列表，保留产品与原始材料。 */
:root{--paper:#fff;--ink:#222;--muted:#626262;--line:#e5e5e5}
*{box-sizing:border-box}
html{scroll-padding-top:24px}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3,p{margin:0}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:4px}
button{font:inherit;color:inherit;cursor:pointer}
img{display:block;max-width:100%;height:auto}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid #555;outline-offset:4px}
.wrap{width:min(1000px,calc(100% - 64px));margin-inline:auto}
.skip-link{position:fixed;top:-100px;left:16px;background:#222;color:#fff;padding:8px 16px;z-index:30}
.skip-link:focus{top:12px}
.site-header{min-height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px}
.wordmark{font-size:14px;font-weight:600}
nav{display:flex;flex-wrap:wrap;gap:24px;font-size:14px}
nav a{display:flex;align-items:center;min-height:44px}
.profile{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:32px 0 28px}
.profile-copy{max-width:760px}
.profile h1{font-size:30px;font-weight:650;line-height:1.4}
.role-line{font-size:17px;margin-top:5px}
.profile-meta{font-size:13px;color:var(--muted);margin-top:3px}
.profile-description{color:var(--muted);margin-top:14px;max-width:700px}
.profile-links{display:grid;gap:4px;flex-shrink:0;font-size:14px}
.profile-links a{display:flex;align-items:center;min-height:40px;text-decoration:underline;text-underline-offset:4px}
.portfolio>section:not(.profile){margin-top:32px}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.section-heading h2{font-size:20px;font-weight:600;line-height:1.6}
.section-heading>a{font-size:13px;color:var(--muted);display:flex;align-items:center;min-height:40px}
.small-note{font-size:12px;line-height:1.8;color:var(--muted);margin-top:12px}
.product-item{display:grid;grid-template-columns:300px minmax(0,1fr);gap:10px 28px;padding:24px 0;border-bottom:1px solid var(--line)}
.product-image{border:0;padding:0;background:transparent;text-align:left;align-self:start;min-width:0}
.product-image img{width:100%;border:1px solid var(--line)}
.product-type{font-size:12px;color:var(--muted)}
.product-copy h3{font-size:21px;line-height:1.5;font-weight:600;margin:3px 0 8px}
.product-copy>p:not(.product-type){font-size:14px;line-height:1.85}
.product-copy>.product-scale{display:flex;flex-wrap:wrap;gap:2px 16px;margin-top:10px;font-size:13px;font-weight:600}
.product-highlights{margin:10px 0 0;padding-left:17px;font-size:13px;line-height:1.85}
.product-highlights li+li{margin-top:4px}
.product-highlights strong{font-weight:600}
.product-result{display:flex;flex-wrap:wrap;gap:2px 12px;margin-top:12px}
.product-result strong{font-weight:600}
.product-result span{color:var(--muted)}
.product-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px 16px;font-size:12px;color:var(--muted);margin-top:9px}
.product-bottom time{white-space:nowrap;font-variant-numeric:tabular-nums}
.project-details{grid-column:2;font-size:13px;color:var(--muted)}
.project-details summary{display:flex;align-items:center;gap:8px;min-height:32px;width:fit-content;cursor:pointer;list-style:none}
.project-details summary::-webkit-details-marker{display:none}
.project-details summary>span{font-size:16px}
.project-details[open] summary>span{transform:rotate(45deg)}
.project-details>p{padding-top:6px;line-height:1.9}
.case-row{display:grid;grid-template-columns:140px minmax(0,1fr);gap:24px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.case-row>img{width:140px;max-height:110px;object-fit:contain;border:1px solid var(--line)}
.case-category{font-size:12px;color:var(--muted)}
.case-row h3{font-size:17px;line-height:1.7;font-weight:600;margin-top:3px}
.case-row>div>p:not(.case-category){font-size:14px;color:var(--muted);margin-top:5px}
.case-result{display:flex;flex-wrap:wrap;gap:2px 20px;font-size:13px;margin-top:8px}
.case-result strong{font-weight:500}
.case-result span{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.case-row:hover{text-decoration:none}
.case-row:hover h3{text-decoration:underline;text-underline-offset:4px}
.dataset-heading{font-size:16px;font-weight:600;line-height:1.8;margin-top:22px}
.competition{display:grid;grid-template-columns:92px minmax(0,1fr) 160px;gap:20px;align-items:start;padding:18px 0;border-bottom:1px solid var(--line)}
.rank{font-size:14px;font-weight:600;white-space:nowrap;line-height:1.9}
.rank strong,.rank small{font:inherit}
.competition h3{font-size:15px;font-weight:600;line-height:1.9}
.competition p{font-size:13px;color:var(--muted);margin-top:3px}
.competition-links{display:flex;flex-wrap:wrap;gap:4px 24px;margin-top:5px;font-size:13px}
.competition-links a{display:inline-flex;align-items:center;min-height:30px;text-decoration:underline;text-underline-offset:4px}
.competition.compact{align-items:center}
.competition-preview{display:block;align-self:center;text-align:center;min-width:0;cursor:zoom-in}
.competition-preview img{width:100%;height:88px;object-fit:contain;border:1px solid var(--line);background:var(--paper)}
.competition-preview>span{display:block;font-size:11px;color:var(--muted);margin-top:3px}
.article-list article{padding:20px 0;border-bottom:1px solid var(--line)}
.article-list article>a{display:flex;align-items:center;justify-content:space-between;gap:28px}
.article-list h3{font-size:17px;font-weight:600;line-height:1.8;margin-top:3px}
.article-list article>a p:not(.case-category){font-size:14px;color:var(--muted);margin-top:6px}
.article-list article>a>strong{font-size:14px;white-space:nowrap;font-weight:500}
.article-list article>a>strong>small{font:inherit;color:var(--muted)}
.article-peers{font-size:13px;color:var(--muted);margin-top:16px}
.article-peers a{display:inline-flex;align-items:center;min-height:32px;text-decoration:underline;text-underline-offset:4px;margin-left:12px}
.article-peers .peer-list{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px 24px;margin-top:10px}
.peer-list{display:grid;gap:20px;margin:0;padding:0;list-style:none}
.peer-list li{display:flex;align-items:flex-start;gap:12px}
.peer-list img{width:32px;height:32px;object-fit:cover;flex-shrink:0;margin-top:3px}
.peer-list strong{font-size:14px;font-weight:600;color:var(--ink)}
.peer-list p{font-size:13px;line-height:1.7;margin-top:2px;color:var(--ink)}
.peer-list small{display:block;font-size:12px;color:var(--muted);line-height:1.8;margin-top:3px}
.peer-evidence{display:flex;flex-wrap:wrap;gap:6px 24px;margin-top:20px;font-size:13px}
.peer-evidence a{min-height:40px;display:inline-flex;align-items:center;text-decoration:underline;text-underline-offset:4px}
.experience ol{margin:0;padding:0;list-style:none}
.experience li{display:grid;grid-template-columns:124px minmax(0,1fr);gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}
.experience li>span{font-size:13px;color:var(--muted)}
.experience h3{font-size:15px;font-weight:600}
.experience p{font-size:13px;color:var(--muted);margin-top:4px}
footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px 24px;border-top:1px solid var(--line);padding:20px 0;margin-top:44px;font-size:12px;color:var(--muted)}
body dialog{border-radius:2px;box-shadow:none}
body dialog::backdrop{background:#0009;backdrop-filter:none}
.page-outline{position:fixed;z-index:20;top:min(180px,20vh);left:calc(50% + 524px);width:146px;font-size:12px}
.outline-toggle{display:none}
.outline-panel{max-height:70vh;overflow-y:auto;background:var(--paper)}
.outline-title{font-size:11px;color:var(--muted);margin:0 0 10px 13px}
.outline-links{display:flex;flex-direction:column;gap:0;border-left:1px solid var(--line);font-size:12px}
.outline-links a{display:flex;align-items:center;min-height:36px;padding:4px 0 4px 12px;border-left:2px solid transparent;margin-left:-1px;color:var(--muted)}
.outline-links a[aria-current="location"]{border-left-color:var(--ink);color:var(--ink);font-weight:600}
.outline-project-heading{display:flex;align-items:center}
.outline-project-heading>a{flex:1}
.outline-project-toggle{display:flex;align-items:center;justify-content:center;width:32px;min-height:36px;border:0;padding:0;background:transparent;color:var(--muted);font-size:16px}
.outline-project-links a{min-height:32px;padding-left:23px;font-size:11px}
@media(max-width:1359px){
  .page-outline{top:auto;left:auto;right:20px;bottom:max(20px,env(safe-area-inset-bottom));width:auto}
  .outline-toggle{display:flex;align-items:center;justify-content:center;gap:12px;min-height:44px;padding:8px 14px;border:1px solid var(--line);background:var(--paper);font-size:13px}
  .outline-toggle>span{font-size:12px}
  .outline-panel{display:none;position:absolute;right:0;bottom:calc(100% + 8px);width:220px;max-height:calc(100dvh - 130px);padding:16px;border:1px solid var(--line)}
  .page-outline.is-open .outline-panel{display:block}
  .outline-links a,.outline-project-toggle{min-height:44px}
  .outline-project-links a{min-height:44px;font-size:12px}
  .outline-project-toggle{width:44px}
}
@media(max-width:760px){
  .wrap{width:calc(100% - 40px)}
  .site-header{gap:12px;flex-wrap:wrap;padding:12px 0}
  nav{gap:20px;font-size:13px}
  .profile{gap:24px;align-items:flex-start;padding:26px 0 12px}
  .profile h1{font-size:27px}
  .role-line{font-size:16px}
  .product-item{grid-template-columns:230px minmax(0,1fr);gap:8px 20px}
  .product-copy h3{font-size:19px}
  .product-result{display:block}
  .product-result span{display:block;margin-top:3px}
}
@media(max-width:560px){
  .wrap{width:calc(100% - 36px)}
  .site-header{display:block;padding:12px 0 4px}
  nav{justify-content:space-between;gap:10px;margin-top:4px}
  .profile{display:block}
  .profile-links{display:flex;gap:24px;margin-top:12px}
  .profile-description{font-size:14px}
  .portfolio>section:not(.profile){margin-top:28px}
  .section-heading{gap:12px}
  .section-heading h2{font-size:19px}
  .section-heading>a{font-size:12px}
  .product-item{grid-template-columns:1fr;padding:20px 0;gap:8px}
  .product-image{max-width:100%}
  .product-copy h3{font-size:20px}
  .product-copy>p:not(.product-type){font-size:14px}
  .product-result{display:flex}
  .product-result span{margin-top:0}
  .project-details{grid-column:1}
  .case-row{grid-template-columns:1fr;gap:10px;padding:18px 0}
  .case-row>img{display:none}
  .case-row.dataset-row{grid-template-columns:96px minmax(0,1fr);gap:14px}
  .case-row.dataset-row>img{display:block;width:96px;max-height:90px}
  .case-row h3{font-size:16px}
  .case-row>div>p:not(.case-category){font-size:13px}
  .competition{grid-template-columns:minmax(0,1fr) 100px;gap:4px 14px;align-items:start}
  .competition>.rank{grid-column:1;font-size:13px}
  .competition>div:not(.rank){grid-column:1}
  .competition-preview{grid-column:2;grid-row:1/3}
  .competition-preview img{height:70px}
  .article-list article>a{display:block}
  .article-list article>a>strong{display:block;margin-top:8px;font-size:13px}
  .article-list h3{font-size:16px}
  .article-peers a{margin-left:0;margin-right:12px}
  .article-peers .peer-list{grid-template-columns:1fr}
  .peer-list small{font-size:13px}
  .peer-evidence{display:grid;gap:2px}
  .experience li{grid-template-columns:1fr;gap:3px}
  .small-note{font-size:12px}
  footer{margin-top:32px}
  footer>a:nth-child(2){display:none}
}