:root{
  --brand:#8F3D68;--brand-soft:#C98AAE;--ink:#2C252A;--muted:#766A71;--deep:#211820;
  --paper:#F7F2F5;--paper-2:#EEE5EA;--accent:#D85D86;--line:rgba(44,37,42,.14);
  --shadow:0 18px 50px rgba(55,32,46,.10);--radius:24px;--radius-sm:14px;--shell:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--paper)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand)}
button,input{font:inherit}
.shell{width:min(calc(100% - 40px),var(--shell));margin-inline:auto}
.narrow{width:min(calc(100% - 40px),860px);margin-inline:auto}
.skip-link{position:fixed;left:16px;top:12px;z-index:999;transform:translateY(-150%);background:var(--deep);color:#fff;padding:10px 16px;border-radius:10px}
.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,242,245,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(44,37,42,.08)}
.header-row{min-height:78px;display:flex;align-items:center;gap:30px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.08em;color:var(--deep)}
.brand img{width:112px;height:38px;object-fit:contain;object-position:left center}
.brand span{white-space:nowrap}
.primary-nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.primary-nav a{padding:10px 14px;border-radius:999px;font-size:.95rem;color:#51464d}
.primary-nav a:hover,.primary-nav a:focus-visible{background:var(--paper-2);color:var(--brand)}
.menu-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 13px;border-radius:10px}
.hero{background:linear-gradient(145deg,var(--deep) 0%,#35222f 54%,#4b2a3d 100%);color:#fff;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(420px,.97fr);align-items:center;min-height:610px;gap:56px;padding-block:70px}
.hero-copy{max-width:720px}
.eyebrow{margin:0 0 10px;color:var(--brand);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.hero .eyebrow,.version-band .eyebrow{color:#e9b3cd}
h1,h2,h3{font-weight:780;line-height:1.18;letter-spacing:-.028em;margin:0;color:var(--deep)}
.hero h1{color:#fff;font-size:clamp(2.7rem,5vw,5.8rem);max-width:11ch}
h2{font-size:clamp(1.75rem,3vw,3rem)}
h3{font-size:1.2rem}
.lead{font-size:1.15rem;line-height:1.8;color:var(--muted);margin:22px 0 0}
.hero .lead{color:#eadfe5;max-width:62ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.button{display:inline-flex;min-height:46px;align-items:center;justify-content:center;padding:10px 18px;border-radius:999px;font-weight:750;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.button:hover{transform:translateY(-1px)}
.button.primary{background:var(--accent);color:#fff;box-shadow:0 12px 30px rgba(216,93,134,.24)}
.button.ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.18)}
.not-found .button.ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.hero-links{display:flex;gap:18px;margin-top:24px;color:#ddcbd5;font-size:.95rem}
.hero-links a{border-bottom:1px solid rgba(255,255,255,.24)}
.hero-media{margin:0;position:relative}
.hero-media:before{content:"";position:absolute;inset:-28px -60px 22% 14%;background:radial-gradient(circle,rgba(216,93,134,.25),transparent 65%);filter:blur(20px)}
.hero-media img{position:relative;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:36px 12px 36px 12px;box-shadow:0 38px 90px rgba(0,0,0,.32)}
.section{padding-block:74px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:28px}
.section-heading>div{max-width:720px}
.section-heading>p{max-width:480px;color:var(--muted);margin:0}
.feature-stream{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;align-items:start}
.feature-stream>.card,.feature-stream>div{grid-column:span 4}
.feature-stream>.card-featured,.feature-stream>div:has(.card-featured){grid-column:span 8}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 24px rgba(60,40,52,.04);min-width:0}
.card-media{display:block;background:var(--paper-2);overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.025)}
.card-body{padding:20px 20px 18px}
.card-body h3{margin-bottom:10px}
.card-body>p:not(.eyebrow){margin:0;color:var(--muted);font-size:.96rem}
.card-meta{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;font-size:.84rem;color:var(--muted)}
.card-meta a{color:var(--brand);font-weight:700}
.card-featured{display:grid;grid-template-columns:1.12fr .88fr}
.card-featured .card-media img{height:100%;aspect-ratio:auto;min-height:310px}
.card-featured .card-body{padding:28px;display:flex;flex-direction:column;justify-content:center}
.card-featured .card-body h3{font-size:clamp(1.45rem,2.4vw,2.2rem)}
.version-band{background:var(--deep);color:#fff;padding:64px 0}
.version-band h2{color:#fff}
.version-band p{color:#d7c8d0}
.split{display:grid;grid-template-columns:1fr .84fr;gap:64px;align-items:center}
.split img{border-radius:28px;aspect-ratio:3/2;object-fit:cover;box-shadow:0 25px 70px rgba(0,0,0,.2)}
.text-link{display:inline-flex;margin-top:14px;color:var(--brand);font-weight:800;border-bottom:1px solid currentColor}
.version-band .text-link{color:#f1b7d0}
.topic-cloud{display:flex;flex-wrap:wrap;gap:12px}
.topic-cloud a{background:var(--paper-2);padding:11px 16px;border-radius:999px;border:1px solid transparent;color:#5a4a53}
.topic-cloud a:hover{border-color:var(--brand-soft);background:#fff}
.act-teaser{display:grid;grid-template-columns:1fr 420px;align-items:center;gap:54px;padding-top:30px;padding-bottom:90px}
.act-teaser img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:28px}
.page-intro{padding:78px 0 50px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fbf7f9,var(--paper))}
.page-intro h1{font-size:clamp(2.35rem,5vw,4.7rem);max-width:13ch}
.page-intro .lead{max-width:72ch}
.browse-toolbar{position:sticky;top:88px;z-index:20;margin:34px 0;padding:14px 16px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:18px;display:flex;align-items:center;justify-content:space-between;gap:20px;box-shadow:0 10px 34px rgba(55,32,46,.08);backdrop-filter:blur(12px)}
.browse-toolbar label{display:flex;align-items:center;gap:12px;font-weight:750}
.browse-toolbar input{width:min(42vw,420px);border:1px solid var(--line);border-radius:999px;padding:10px 14px;background:var(--paper)}
.browse-toolbar p{margin:0;color:var(--muted);font-size:.9rem}
.compact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card.compact .card-body{padding:17px}
.card.compact .card-body>p:not(.eyebrow){font-size:.9rem}
.card.compact .card-meta{font-size:.78rem}
.topic-section{padding:56px 0;border-bottom:1px solid var(--line);scroll-margin-top:105px}
.info-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden;margin:36px 0 20px}
.info-strip>div{background:#fff;padding:22px}
.info-strip strong{display:block;color:var(--brand);margin-bottom:6px}
.info-strip span{color:var(--muted);font-size:.92rem}
.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:54px;padding:58px 0}
.guide-aside{align-self:start;position:sticky;top:110px}
.guide-aside img{border-radius:26px;aspect-ratio:3/4;object-fit:cover}
.aside-box{margin-top:16px;background:var(--deep);color:#fff;padding:20px;border-radius:20px}
.aside-box strong{display:block;margin-bottom:10px}.aside-box a{display:block;padding:8px 0;color:#eadde4;border-bottom:1px solid rgba(255,255,255,.1)}
.prose{font-size:1.02rem;color:#4d4349}
.prose.wide{max-width:980px;padding:55px 0 12px}
.prose h2{margin-top:2.1em;margin-bottom:.75em;font-size:clamp(1.5rem,2.4vw,2.25rem)}
.prose p{margin:0 0 1.25em}
.prose a{color:var(--brand);font-weight:700}
.auxiliary{padding:48px 0 80px}
.detail-wrap{padding:28px 0 90px}
.breadcrumbs{margin:0 0 30px;color:var(--muted);font-size:.88rem}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.breadcrumbs li+li:before{content:"/";margin-right:8px;color:#aa9ca4}
.detail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:56px;align-items:start}
.detail>header{position:sticky;top:112px}
.detail h1{font-size:clamp(2.2rem,4vw,4.4rem)}
.detail figure{grid-column:2;margin:0}
.detail figure img{border-radius:30px;width:100%;aspect-ratio:16/9;object-fit:cover}
.detail .prose{grid-column:2}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--paper-2);color:#63545d;font-size:.82rem}
.detail-links{display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--line);margin-top:34px;padding-top:22px}
.faq-list{display:grid;gap:12px;margin:30px 0}
details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px}
summary{cursor:pointer;font-weight:750;color:var(--deep)}
details p{margin:12px 0 0!important;color:var(--muted)}
.not-found{min-height:60vh;display:grid;align-items:center;padding:80px 0}
.not-found h1{font-size:clamp(2.5rem,6vw,5.6rem)}
.site-footer{background:var(--deep);color:#d9ccd3;padding:54px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:60px}
.footer-grid strong{color:#fff;font-size:1.1rem}.footer-grid p{max-width:48ch;color:#a997a1}
.footer-grid nav{display:flex;flex-direction:column;gap:9px}.footer-grid nav a{color:#d9ccd3}.footer-grid nav a:hover{color:#fff}
.footer-note{padding-top:28px;margin-top:36px;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem;color:#9f8e98}
[hidden]{display:none!important}
:focus-visible{outline:3px solid rgba(216,93,134,.45);outline-offset:3px}
@media (max-width:1040px){
  .hero-grid{grid-template-columns:1fr 420px;gap:34px}.hero h1{font-size:clamp(2.6rem,5.5vw,4.8rem)}
  .feature-stream>.card,.feature-stream>div{grid-column:span 6}.feature-stream>.card-featured,.feature-stream>div:has(.card-featured){grid-column:span 12}
  .compact-grid{grid-template-columns:repeat(2,1fr)}.act-teaser{grid-template-columns:1fr 340px}.detail{gap:36px}
}
@media (max-width:820px){
  .shell,.narrow{width:min(calc(100% - 28px),var(--shell))}.site-header{position:relative}.header-row{min-height:68px}.brand img{width:96px;height:34px}
  .menu-toggle{display:inline-flex}.primary-nav{display:none;position:absolute;top:68px;left:14px;right:14px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.primary-nav.is-open{display:flex}.primary-nav a{padding:12px}
  .hero-grid{grid-template-columns:1fr;min-height:auto;padding:58px 0}.hero-copy{max-width:none}.hero h1{max-width:12ch}.hero-media{max-width:620px}.hero-media img{border-radius:24px}
  .section{padding-block:54px}.section-heading{align-items:start;flex-direction:column;gap:12px}.split{grid-template-columns:1fr;gap:30px}.act-teaser{grid-template-columns:1fr;gap:26px}.act-teaser img{max-width:620px}
  .guide-layout{grid-template-columns:1fr}.guide-aside{position:static}.guide-aside img{max-width:420px}.detail{grid-template-columns:1fr}.detail>header{position:static}.detail figure,.detail .prose{grid-column:1}
  .info-strip{grid-template-columns:1fr}.browse-toolbar{top:12px;align-items:stretch;flex-direction:column}.browse-toolbar label{justify-content:space-between}.browse-toolbar input{width:70%}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}
}
@media (max-width:620px){
  .hero{border-radius:0 0 24px 24px}.hero-grid{padding:44px 0}.hero h1{font-size:clamp(2.35rem,11vw,3.55rem)}.lead{font-size:1.02rem}.hero-actions{align-items:stretch;flex-direction:column}.button{width:100%}.hero-links{flex-direction:column;gap:9px}
  .feature-stream{display:block}.feature-stream>.card,.feature-stream>div{margin-bottom:16px}.card-featured{display:block}.card-featured .card-media img{min-height:0;aspect-ratio:16/9}.card-featured .card-body{padding:20px}.compact-grid{grid-template-columns:1fr}
  .page-intro{padding:52px 0 36px}.page-intro h1{font-size:clamp(2.15rem,11vw,3.4rem)}.topic-section{padding:42px 0}.browse-toolbar{margin:22px 0}.browse-toolbar label{align-items:flex-start;flex-direction:column}.browse-toolbar input{width:100%}
  .detail-wrap{padding-top:20px}.detail{gap:28px}.detail h1{font-size:clamp(2.05rem,10vw,3.2rem)}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-grid>div:first-child{grid-column:auto}
}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}
.search-page{padding:42px 0 80px}.search-form{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 10px 34px rgba(55,32,46,.05)}.search-form label{display:block;font-weight:800;margin-bottom:10px}.search-form>div{display:flex;gap:10px}.search-form input{flex:1;min-width:0;border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:11px 16px}.search-form .button{border:0;cursor:pointer}.search-empty{margin-top:28px;background:var(--paper-2);border-radius:20px;padding:24px}.search-empty h2{font-size:1.4rem;margin-bottom:16px}@media(max-width:620px){.search-form>div{flex-direction:column}.search-form .button{width:100%}}