:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#172033;background:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%}
button{font:inherit;cursor:pointer}
.skip-link{position:absolute;left:12px;top:-60px;z-index:30;background:#fff;padding:10px 14px}
.skip-link:focus{top:10px}
.site-header{height:62px;position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 32px;border-bottom:1px solid #edf0f4;background:rgba(255,255,255,.97)}
.brand{display:flex;align-items:center;width:184px;flex:none}
.brand img{width:184px;display:block}
.main-nav{height:100%;display:flex;gap:34px;align-items:center}
.main-nav a{height:100%;display:flex;align-items:center;font-size:15px;white-space:nowrap;border-bottom:2px solid transparent}
.main-nav a:hover,.main-nav a[aria-current=page]{color:#234fc2;border-bottom-color:#234fc2}
.header-right{display:flex;align-items:center;gap:24px;width:184px;justify-content:flex-end}
.github-link{font-size:15px;font-weight:650}
.github-link:hover{color:#234fc2}
.language{font-size:13px;color:#777}
.language strong{color:#2258bc}
.menu-button{display:none;border:0;background:none;font-size:22px}
.container{width:min(100% - 48px,1180px);margin-inline:auto}
.eyebrow{margin:0 0 12px;font-size:14px;font-weight:750;letter-spacing:.08em;color:#2158be}
.page-intro{padding:76px 0 42px;background:linear-gradient(145deg,#f6f8ff,#fff 65%)}
.page-intro h1{margin:0 0 14px;font-size:clamp(36px,4.8vw,62px);line-height:1.14;letter-spacing:-.04em;color:#0c172a}
.page-intro p:last-child{margin:0;max-width:700px;font-size:18px;line-height:1.7;color:#596579}
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-auto-rows:1fr;gap:26px;padding:32px 0 86px}
.case-card{display:flex;flex-direction:column;height:100%;overflow:hidden;border:1px solid #e9edf5;border-radius:18px;background:#fff;box-shadow:0 12px 30px rgba(18,35,66,.06);transition:transform .2s,box-shadow .2s}
.case-card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(18,35,66,.13)}
.case-card:focus-visible,.back-link:focus-visible,.main-nav a:focus-visible{outline:3px solid #5989ed;outline-offset:3px}
.case-art{height:200px;flex:none;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#f6f8fc}
.case-art>img{width:100%;height:100%;object-fit:contain}
.word-case .case-art img,.ppt-case .case-art img,.illustrated-case .case-art img{width:88%;height:88%}
.case-card:not(.word-case):not(.ppt-case):not(.illustrated-case):not(.later-case) .case-art img{object-fit:cover}
.screenshot-case .case-art img{width:100%;height:100%;object-position:center 45%}
.official-case .case-art img[src$="简历生成预览.png"]{object-fit:contain}
.later-case .case-art{background:#e9eee7}
.later-case .case-art img{width:auto;height:100%;box-shadow:0 10px 30px #163a2d30}
.case-copy{flex:1;padding:24px 22px 28px}
.case-tag{margin-bottom:10px;color:#1d5cba;font-size:13px;font-weight:750}
.case-copy h2{margin:0 0 11px;color:#121a29;font-size:22px;line-height:1.35}
.case-copy p{min-height:49px;margin:0;color:#5e697b;font-size:16px;line-height:1.6}
.breadcrumbs{display:flex;gap:8px;align-items:center;margin-bottom:28px;color:#68758a;font-size:14px}
.breadcrumbs a:hover,.back-link:hover{color:#1d5cba;text-decoration:underline}
.detail-intro{padding:42px 0 40px;border-bottom:1px solid #edf0f4;background:linear-gradient(150deg,#f4f7ff,#fff 65%)}
.detail-intro h1{margin:0;font-size:clamp(32px,3.8vw,46px);letter-spacing:-.04em;line-height:1.15;color:#0c172a}
.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 190px;gap:76px;padding-top:54px;padding-bottom:88px}
.article{min-width:0;font-size:16px;line-height:1.85;color:#384559}
.article section{scroll-margin-top:84px;margin-bottom:55px}
.article h2{margin:0 0 20px;color:#0c172a;font-size:29px;line-height:1.35}
.article h3{margin:32px 0 10px;color:#18263c;font-size:20px;line-height:1.4}
.article p{margin:0 0 16px}
.article ul,.article ol{padding-left:24px;margin:12px 0 20px}
.article li{margin-bottom:7px}
.article strong{color:#172033}
.prompt{margin:18px 0 24px;padding:22px 25px;border-left:4px solid #3b65d7;border-radius:0 10px 10px 0;background:#f3f6ff;color:#263958;line-height:1.8}
.prompt p{margin:0}
.note{padding:16px 20px;border:1px solid #e1e9f8;border-radius:10px;background:#f8faff;color:#4d5c71}
.demo{margin:23px 0 20px}
.demo video{display:block;width:100%;aspect-ratio:2428/1640;border-radius:12px;background:#e9edf5;box-shadow:0 10px 32px #14233c1a}
.demo video.sheet-demo{aspect-ratio:2522/1724}
.demo video.portrait-demo{width:min(100%,360px);height:auto;max-height:78vh;aspect-ratio:780/1688;object-fit:contain;margin-inline:auto;background:#f3f3ec}
.demo figcaption{margin-top:10px;color:#6c7888;font-size:14px;line-height:1.5}
.toc{align-self:start;position:sticky;top:92px;padding:21px;border:1px solid #e9edf4;border-radius:12px;background:#fafbfe}
.toc strong{display:block;margin-bottom:12px;color:#172033;font-size:14px}
.toc a{display:block;padding:8px 0;color:#677489;font-size:14px;line-height:1.45}
.toc a:hover{color:#2158be}
.back-link{display:inline-block;margin-top:12px;color:#1d5cba;font-weight:700}
.detail-lede{max-width:720px;margin:18px 0 22px;color:#4e5e76;font-size:20px;line-height:1.6}
.demo-link{display:inline-flex;align-items:center;gap:12px;padding:12px 20px;border-radius:10px;background:#2359c2;color:#fff;font-size:16px;font-weight:700;box-shadow:0 8px 18px #2359c233;transition:background .2s,transform .2s}
.demo-link:hover{background:#1746a4;transform:translateY(-2px)}
.demo-link:focus-visible{outline:3px solid #5989ed;outline-offset:3px}
.demo-note{margin:12px 0 0;color:#68758a;font-size:14px;line-height:1.6}
.article .demo-note{margin-top:12px}
.article .demo-link+.demo-note+.back-link{display:block;width:max-content;margin-top:28px}
footer{text-align:center;padding:24px;color:#8b929b;font-size:13px;border-top:1px solid #eee}
@media(max-width:820px){.site-header{padding:0 20px}.brand,.brand img{width:150px}.header-right{width:auto}.menu-button{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:62px;height:auto;background:#fff;box-shadow:0 12px 18px #0001;flex-direction:column;align-items:stretch;gap:0;padding:10px 20px}.main-nav.open{display:flex}.main-nav a{height:42px}.detail-layout{grid-template-columns:1fr;gap:0}.toc{display:none}}
@media(max-width:600px){.container{width:min(100% - 36px,1180px)}.github-link,.language{display:none}.page-intro{padding:56px 0 28px}.case-grid{grid-template-columns:1fr;gap:19px;padding-bottom:60px}.case-art{height:210px}.case-copy{padding:21px}.detail-intro{padding:32px 0 38px}.detail-layout{padding-top:38px;padding-bottom:60px}.article h2{font-size:25px}.article h3{font-size:19px}.prompt{padding:17px 19px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}