:root{--bg:#21172e;--panel:#30243e;--panel-hi:#392a49;--ink:#f5f1fa;--muted:#c3b7cf;--lilac:#c4abf4;--moss:#bcd39b;--copper:#f6aa79;--line:#564463;--radius:18px;color-scheme:dark;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:32px}
body{margin:0}
a{color:inherit;text-decoration:none}
a:hover{color:var(--copper)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--copper);outline-offset:5px}
button,input,textarea,select{font:inherit}
button,select{cursor:pointer}
img{max-width:100%;height:auto;display:block}
p{line-height:1.75}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{letter-spacing:-.035em;line-height:1.14}
h2{font-size:clamp(1.8rem,3vw,2.6rem)}
h3{font-size:1.45rem}
.wrap{max-width:1280px;margin:auto;padding:0 40px}
.skip{position:absolute;top:-100px;left:12px;z-index:20;background:var(--copper);color:var(--bg);padding:12px}
.skip:focus{top:12px}
.site-header{border-bottom:1px solid var(--line);position:relative;z-index:2}
.header-inner{min-height:94px;display:flex;align-items:center;gap:36px}
.brand{font-family:ui-monospace,SFMono-Regular,monospace;font-size:26px;font-weight:900;letter-spacing:-1.8px;display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand-mark{font-size:26px;color:var(--moss);background:var(--panel-hi);padding:7px 10px;border-radius:12px;letter-spacing:-5px;padding-right:15px}
.brand-word{display:inline-block}.brand-accent{color:var(--copper)}
.main-nav{display:flex;gap:28px;align-items:center;flex:1;font-size:15px;font-weight:650}
.main-nav a[aria-current=page]{color:var(--lilac)}
.locale{position:relative}
.locale summary{cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;white-space:nowrap;list-style:none;border:1px solid var(--line);border-radius:9px;padding:10px 14px;font-size:14px}
.locale summary::-webkit-details-marker{display:none}.locale summary:after{content:'';width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-2px) rotate(45deg);flex:none}.locale[open] summary:after{transform:translateY(2px) rotate(225deg)}
.locale-menu{position:absolute;right:0;top:calc(100% + 8px);width:210px;z-index:5;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:0 16px 36px #140c1d99}
.locale-menu a{display:block;padding:10px;border-radius:6px}
.locale-menu a[aria-current=page]{color:var(--copper);background:var(--panel-hi)}
.locale-menu a:hover{background:var(--panel-hi)}
.hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;min-height:590px;position:relative;padding-top:42px;padding-bottom:40px;gap:10px}
.hero-copy{z-index:1;padding:25px 0}
.kicker{font-family:ui-monospace,monospace;color:var(--moss);font-size:13px;margin-bottom:24px;display:inline-flex;gap:10px;align-items:center}
.kicker:before{content:'';width:7px;height:7px;background:var(--moss);border-radius:50%}
.hero h1{font-size:clamp(3rem,5.7vw,5.1rem);font-weight:800;max-width:660px;margin-bottom:24px}
.hero h1 em{font-style:normal}
.hero-copy>p{font-size:19px;color:var(--muted);max-width:480px}
.button{display:inline-flex;align-items:center;justify-content:center;padding:15px 23px;border-radius:8px;border:1px solid var(--copper);background:var(--copper);color:var(--bg);font-size:15px;font-weight:750}
.button:hover{background:#ffd0b2;color:var(--bg)}
.hero-actions{display:flex;gap:24px;align-items:center;margin-top:30px}
.text-link{font-size:15px;text-decoration:underline;text-underline-offset:5px}
.hero-art{min-width:0;position:relative;isolation:isolate;align-self:end}
.hero-art:before{content:'';position:absolute;inset:10% 0 8%;background:#593d75;border-radius:50% 40% 45% 32%;z-index:-1}
.hero-art img{width:100%;position:relative;filter:drop-shadow(0 28px 14px #140c1d55)}
.terminal-chip{position:absolute;bottom:8%;right:0;background:var(--panel);border:1px solid #7e6397;border-radius:9px;padding:12px 18px;font-family:ui-monospace,monospace;font-size:12px;box-shadow:0 10px 30px #140c1d66}
.terminal-chip span{color:var(--moss)}
.ticker{border-block:1px solid var(--line);display:flex;gap:25px;align-items:center;padding:20px 0;margin-bottom:56px;font-size:13px;overflow:auto}
.ticker strong{color:var(--copper);white-space:nowrap}
.ticker a{white-space:nowrap;color:var(--muted)}
.ticker i{width:4px;height:4px;background:var(--line);border-radius:50%;flex:none}
.section-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:26px}
.section-heading h2{margin:0}
.section-heading>a{font-size:14px;color:var(--lilac)}
.image-wrap{display:block;background:var(--panel)}
.feature-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:48px;margin-bottom:70px}
.feature{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.feature .image-wrap{aspect-ratio:1.9;overflow:hidden}
.image-wrap img{width:100%;height:100%;object-fit:cover;aspect-ratio:inherit}
.feature-copy{padding:28px 30px}
.feature h3{font-size:clamp(1.6rem,2.6vw,2.2rem);margin-bottom:16px}
.feature p{color:var(--muted);font-size:16px;margin:0}
.meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12px;margin-bottom:16px;color:var(--muted)}
.pill{color:var(--moss);border:1px solid #789a6880;border-radius:5px;padding:4px 8px;font-size:11px}
.news-rail{display:flex;flex-direction:column}
.rail-item{display:grid;grid-template-columns:minmax(0,1fr) 94px;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.rail-item:first-child{padding-top:0}
.rail-item h3{font-size:19px;line-height:1.3;margin:0}
.rail-item .meta{margin-bottom:10px}
.rail-item img{width:94px;height:82px;object-fit:cover;border-radius:9px}
.rail-label{color:var(--copper);font-size:12px;margin-bottom:20px}
.topics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:32px 0 72px}
.topic-link{border:1px solid var(--line);border-radius:12px;padding:24px;display:flex;gap:20px;align-items:center;background:var(--panel)}
.topic-link strong{display:block;font-size:20px;margin-bottom:7px}
.topic-link small{color:var(--muted);line-height:1.5}
.topic-symbol{font-family:ui-monospace,monospace;color:var(--lilac);font-size:26px;width:50px;flex:none}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-bottom:64px}
.card .image-wrap{aspect-ratio:1.55;overflow:hidden;border-radius:12px;margin-bottom:20px;background:var(--panel)}
.card{min-width:0}
.card h3{font-size:23px;line-height:1.25;margin-bottom:12px}
.card p{color:var(--muted);font-size:15px}
.card .meta{margin-bottom:12px}
.workshop-note{display:grid;grid-template-columns:1fr 1fr;align-items:center;padding:40px 48px;border-radius:18px;background:var(--panel);border:1px solid var(--line);margin-bottom:72px;gap:48px}
.workshop-note p{color:var(--muted)}
.code-note{font-family:ui-monospace,monospace;font-size:15px;line-height:2.2;border-left:3px solid var(--moss);padding-left:28px;color:var(--lilac)}
.code-note span{color:var(--moss)}
.site-footer{border-top:1px solid var(--line);padding:44px 0 30px}
.footer-top{display:flex;justify-content:space-between;gap:40px;margin-bottom:30px}
.footer-top p{color:var(--muted);font-size:14px;max-width:330px;margin-top:16px}
.footer-links{display:flex;flex-wrap:wrap;gap:24px;font-size:14px;align-content:start;padding-top:12px}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:24px}
.page-head{padding:64px 0 38px}
.page-head h1{font-size:clamp(2.5rem,5vw,4.5rem);max-width:940px;margin-bottom:24px}
.page-head>p{font-size:20px;max-width:780px;color:var(--muted)}
.breadcrumbs{font-size:13px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}
.breadcrumbs a{text-decoration:underline;text-underline-offset:4px}
.article-head{padding-top:46px}
.article-head h1{font-size:clamp(2.25rem,4.4vw,4rem);max-width:1020px;margin-bottom:24px}
.article-head .dek{font-size:21px;line-height:1.6;color:var(--muted);max-width:840px}
.byline{display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-size:13px;color:var(--muted);margin:26px 0 32px}
.byline img{width:38px;height:38px;object-fit:cover;object-position:top;border-radius:50%;background:var(--panel-hi)}
figure{margin:0 0 40px}
.article-cover img{width:100%;aspect-ratio:2 / 1;object-fit:cover;border-radius:16px}
.article-cover figcaption{font-size:12px;color:var(--muted);margin-top:12px}
.article-layout{display:grid;grid-template-columns:200px minmax(0,740px);gap:65px;justify-content:center;margin:50px 0 72px}
.toc{font-size:14px;line-height:1.6;align-self:start;position:sticky;top:32px;border-left:1px solid var(--line);padding-left:20px}
.toc strong{display:block;color:var(--moss);margin-bottom:20px}
.toc a{display:block;color:var(--muted);margin-bottom:15px}
.prose{font-size:19px;line-height:1.8}
.prose h2{font-size:28px;margin-top:42px;margin-bottom:20px}
.prose h2:first-child{margin-top:0}
.prose p{color:#e0d6e9}
.source-box{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:26px;margin:32px 0}
.source-box p{font-size:15px;line-height:1.7}
.source-box a{color:var(--lilac);text-decoration:underline;overflow-wrap:anywhere}
.source-box h2{font-size:22px!important;margin-top:0!important}
.article-note{font-size:14px!important;color:var(--muted)!important;padding-left:20px;border-left:3px solid var(--copper)}
.share-row{display:flex;gap:12px;flex-wrap:wrap;margin:32px 0}
.share-row a{font-size:14px;border:1px solid var(--line);padding:10px 15px;border-radius:7px}
form label{display:block;font-size:15px;line-height:1.5;margin-bottom:24px}
form .search-field{margin:10px 0 0;max-width:100%}
textarea.search-field{resize:vertical;min-height:160px;line-height:1.6}
.search-field{display:block;width:100%;max-width:560px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);margin:10px 0 18px}
.archive-list{margin-bottom:64px}
.archive-item{display:grid;grid-template-columns:110px 1fr 95px;align-items:center;gap:25px;padding:24px 0;border-bottom:1px solid var(--line)}
.archive-item h2{font-size:23px;margin:0 0 10px}
.archive-item p{font-size:15px;color:var(--muted);margin:0}
.archive-item>time{color:var(--muted);font-size:13px}
.archive-item img{width:95px;height:80px;object-fit:cover;border-radius:8px}
[hidden]{display:none!important}
.swatches{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:28px 0}
.swatch{border:1px solid var(--line);border-radius:10px;overflow:hidden}
.swatch>div{height:100px}
.swatch p{padding:14px;margin:0;font-size:14px}
.brand-gallery figcaption{margin-top:14px;font-size:15px;color:var(--muted)}
.brand-gallery{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:30px 0 60px}
.brand-gallery img{border-radius:12px;width:100%;aspect-ratio:1;object-fit:contain;background:var(--panel)}
.status-line{font-size:13px;color:var(--muted)}
.resource-table{border-collapse:collapse;width:100%;font-size:15px}
.resource-table th,.resource-table td{text-align:left;padding:15px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.resource-table a{color:var(--lilac);text-decoration:underline}
.empty-message{padding:30px;background:var(--panel);border-radius:10px;margin-bottom:32px}
.policy{max-width:820px;padding-bottom:64px}
.policy h2{font-size:28px;margin-top:40px}.policy h2:first-child{margin-top:0}
.policy p,.policy li{font-size:18px;line-height:1.8;color:#e0d6e9}
.policy a{color:var(--lilac);text-decoration:underline}
.guide-steps{counter-reset:step;display:grid;gap:24px;margin:32px 0}
.guide-step{padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:12px}
.guide-step h2{margin-top:0}
.guide-step p{font-size:18px}
.reading-meter{position:fixed;top:0;left:0;height:3px;background:var(--copper);width:0;z-index:10}
@media(min-width:1600px){.hero{min-height:650px}
}
@media(max-width:1000px){.header-inner{gap:18px;flex-wrap:wrap;min-height:112px;padding-top:16px;padding-bottom:14px}.locale{margin-left:auto}.main-nav{order:3;flex-basis:100%;padding-top:2px}
.main-nav{gap:18px}
.wrap{padding:0 28px}
.hero h1{font-size:3.8rem}
.hero{min-height:530px}
.feature-grid{gap:28px}
.cards{grid-template-columns:repeat(2,minmax(0,1fr))}
.topics{gap:12px;grid-template-columns:1fr}
.topic-link{padding:20px 16px;gap:12px}
.topic-symbol{font-size:22px;width:36px}
.article-layout{gap:32px;grid-template-columns:160px minmax(0,1fr)}
}
@media(max-width:700px){.wrap{padding:0 20px}
.header-inner{flex-wrap:wrap;min-height:110px;gap:14px;padding-top:16px;padding-bottom:14px}
.brand{font-size:23px}
.brand-mark{font-size:21px}
.locale{margin-left:auto}
.main-nav{order:3;flex-basis:100%;font-size:14px;gap:8px 22px;flex-wrap:wrap}.main-nav a{padding:6px 0}
.hero{display:flex;flex-direction:column;min-height:0;padding-top:28px;gap:0}
.hero-copy{width:100%;padding-top:12px}
.hero h1{font-size:clamp(2.35rem,9vw,3.4rem);max-width:550px;margin-bottom:20px}
.hero-copy>p{font-size:17px}
.kicker{margin-bottom:20px}
.hero-art{width:100%;max-width:370px;align-self:center;margin-top:20px}
.hero-art img{width:100%}
.terminal-chip{right:3%;font-size:11px}
.hero-actions{gap:20px}
.ticker{margin-bottom:36px;padding:16px 0;gap:18px}
.feature-grid{grid-template-columns:1fr;gap:32px;margin-bottom:44px}
.feature-copy{padding:22px}
.news-rail{gap:0}
.rail-item{padding:20px 0}
.cards{grid-template-columns:1fr;gap:32px}
.card{display:grid;grid-template-columns:96px minmax(0,1fr);gap:18px}
.card .image-wrap{aspect-ratio:1;margin:0}
.card{min-width:0}
.card h3{font-size:20px}
.card p{display:none}
.card .meta{font-size:11px;gap:7px}
.topics{grid-template-columns:1fr;margin-bottom:48px}
.topic-link{padding:20px 24px}
.topic-link small{font-size:13px}
.topic-symbol{width:44px}
.workshop-note{grid-template-columns:1fr;padding:28px;gap:16px;margin-bottom:48px}
.code-note{font-size:13px}
.section-heading{align-items:start}
.section-heading>a{font-size:12px;max-width:42%;text-align:right;padding-top:8px}
.footer-top{flex-direction:column;gap:10px}
.footer-links{gap:18px}
.page-head{padding-top:42px}
.page-head h1{font-size:clamp(2rem,8.5vw,2.7rem);overflow-wrap:anywhere}
.page-head>p{font-size:18px}
.article-head{padding-top:30px}
.article-head h1{font-size:clamp(2rem,8.2vw,2.7rem);overflow-wrap:anywhere}
.article-head .dek{font-size:18px}
.article-layout{display:block;margin-top:32px}
.toc{position:static;display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px;border-left:0;border-bottom:1px solid var(--line);padding:0 0 12px}
.toc strong{width:100%;margin-bottom:0}
.toc a{font-size:12px;margin:0}
.prose{font-size:18px}
.prose h2{font-size:25px}
.article-cover img{border-radius:10px;aspect-ratio:3 / 2}
.byline{gap:10px;font-size:12px}
.archive-item{grid-template-columns:minmax(0,1fr) 70px;gap:18px}
.archive-item>time{grid-column:1/-1;margin-bottom:-7px}
.archive-item h2{font-size:20px}
.archive-item img{width:70px;height:70px}
.archive-item p{display:none}
.brand-gallery{grid-template-columns:1fr}
.swatches{grid-template-columns:repeat(2,1fr)}
.resource-table{font-size:13px}
.resource-table td,.resource-table th{padding:12px 5px;overflow-wrap:anywhere}
.policy p,.policy li{font-size:17px}
html[lang=zh-CN] .hero h1{font-size:clamp(2.2rem,9vw,3rem)}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*{transition:none!important;animation:none!important}
}

.brand{gap:10px}


@media(max-width:380px){.brand{font-size:21px;gap:7px}.brand-mark{font-size:18px;padding:6px 7px;padding-right:12px}.locale summary{font-size:12px;padding:9px 10px;gap:10px}.hero-actions{gap:16px;flex-wrap:wrap}.button{padding:13px 18px}.card{grid-template-columns:80px minmax(0,1fr);gap:14px}}

.guide-intro{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:48px;align-items:center;padding:56px 0 16px}
.guide-intro .page-head{padding:0}
.guide-intro .page-head h1{font-size:clamp(2rem,3.6vw,3.5rem)}
.guide-intro figure{margin:0}
.guide-intro .article-cover img{aspect-ratio:1;object-fit:contain;background:var(--panel)}
@media(max-width:1000px){.guide-intro{gap:28px}.guide-intro .page-head>p{font-size:18px}}
@media(max-width:700px){.guide-intro{grid-template-columns:1fr;padding-top:36px;gap:24px}.guide-intro figure{width:100%;max-width:400px;justify-self:center}.guide-intro .page-head h1{font-size:clamp(2rem,8.5vw,2.7rem)}}
@media(max-width:380px){.main-nav{gap:8px 12px;font-size:13px}}