/* Base */
:root{--brand:#7C5C8E;--brand-soft:#B89ABF;--ink:#25212A;--paper:#F8F5F3;--panel:#EEE8EF;--text:#302C33;--muted:#726B76;--accent:#D58A45;--line:#d9d1d8;--white:#fff;--radius:22px;--shadow:0 18px 50px rgba(37,33,42,.08);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75}img{max-width:100%;height:auto;display:block}a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:#5f426f}button,input{font:inherit}button{cursor:pointer}h1,h2,h3{color:var(--ink);line-height:1.24;margin-top:0}h1{font-size:clamp(2.3rem,5vw,5.3rem);letter-spacing:-.035em}h2{font-size:clamp(1.65rem,3vw,2.65rem);letter-spacing:-.02em}h3{font-size:1.2rem}p{margin:0 0 1.1rem}.skip-link{position:fixed;left:1rem;top:-5rem;z-index:1000;background:var(--ink);color:#fff;padding:.7rem 1rem;border-radius:8px}.skip-link:focus{top:1rem}.section-shell,.page-shell{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.page-shell{padding:34px 0 84px}.eyebrow{font-size:.78rem;font-weight:750;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-bottom:.7rem}.lead{font-size:clamp(1.08rem,1.8vw,1.34rem);color:#514b55;max-width:850px}.primary-action,.text-action{display:inline-flex;align-items:center;gap:.5rem}.primary-action{background:var(--brand);color:#fff;text-decoration:none;padding:.82rem 1.15rem;border-radius:999px;font-weight:700}.primary-action:hover{background:#664975;color:#fff}.text-action{font-weight:700}.meta-line{display:flex;gap:.55rem;flex-wrap:wrap;margin-bottom:.55rem}.meta-line span{font-size:.76rem;background:var(--panel);border-radius:999px;padding:.18rem .55rem;color:#625b66}.section-heading{max-width:830px;margin-bottom:2rem}.section-heading.compact{margin-bottom:1.35rem}.section-heading p:last-child{color:var(--muted)}
/* Header */.site-header{position:sticky;top:0;z-index:50;background:rgba(248,245,243,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(124,92,142,.14)}.header-inner{width:min(1260px,calc(100% - 32px));height:76px;margin:auto;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:.7rem;color:var(--ink);text-decoration:none;margin-right:auto}.brand img{width:42px;height:42px;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.2}.brand strong{font-size:1rem}.brand small{font-size:.72rem;color:var(--muted);margin-top:.2rem}.primary-nav{display:flex;gap:22px;align-items:center}.primary-nav a{text-decoration:none;color:var(--text);font-size:.92rem;font-weight:650}.primary-nav a:hover{color:var(--brand)}.search-open,.menu-toggle{border:1px solid var(--line);background:transparent;color:var(--text);padding:.55rem .8rem;border-radius:999px}.menu-toggle{display:none}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;background:rgba(37,33,42,.6);z-index:100;display:grid;place-items:start center;padding:12vh 20px}.search-dialog{position:relative;width:min(720px,100%);background:var(--paper);border-radius:26px;padding:34px;box-shadow:0 30px 100px rgba(0,0,0,.25)}.search-close{position:absolute;right:18px;top:14px;border:0;background:transparent;font-size:2rem;color:var(--muted)}.search-form label,.inline-search label{display:block;font-size:.82rem;font-weight:700;margin-bottom:.35rem}.search-row,.inline-search>div{display:flex;gap:.6rem}.search-row input,.inline-search input{flex:1;min-width:0;border:1px solid var(--line);background:#fff;border-radius:12px;padding:.85rem 1rem;color:var(--text)}.search-row button,.inline-search button{border:0;background:var(--accent);color:#fff;font-weight:750;border-radius:12px;padding:.85rem 1rem}.modal-open{overflow:hidden}
/* Home */.home-cover{padding:66px 0 54px;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.cover-copy h1{max-width:720px}.cover-actions{display:flex;gap:16px;align-items:center;margin:28px 0}.cover-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:28px 0 0}.cover-facts div{padding:14px 0;border-top:1px solid var(--line)}.cover-facts dt{font-size:.75rem;color:var(--muted)}.cover-facts dd{margin:.25rem 0 0;font-weight:700}.cover-media{margin:0}.cover-media img{border-radius:42px 42px 10px 42px;aspect-ratio:1.35/1;object-fit:cover;box-shadow:var(--shadow)}.cover-media figcaption{font-size:.78rem;color:var(--muted);margin-top:.65rem}.editorial-index{padding:70px 0}.index-rows{border-top:1px solid var(--line)}.index-rows article{display:grid;grid-template-columns:70px 1fr;gap:28px;padding:28px 0;border-bottom:1px solid var(--line)}.index-no{font-size:1.9rem;color:var(--brand-soft);font-weight:800}.index-rows h3{font-size:1.55rem;margin-bottom:.55rem}.index-rows p{max-width:850px;color:var(--muted)}.split-feature{padding:70px 0;display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}.split-image img{border-radius:16px 70px 16px 16px;aspect-ratio:1.35/1;object-fit:cover}.check-list{padding:0;list-style:none;margin:1.4rem 0 1.8rem}.check-list li{padding:.6rem 0;border-bottom:1px dashed var(--line)}.check-list li::before{content:"—";color:var(--accent);margin-right:.55rem}.content-stream{padding:60px 0}.story-list{border-top:2px solid var(--ink)}.story-row{display:grid;grid-template-columns:140px 1fr auto;gap:24px;align-items:start;padding:25px 0;border-bottom:1px solid var(--line)}.story-kicker{font-size:.8rem;color:var(--brand);font-weight:700}.story-row h3{margin-bottom:.35rem}.story-row h3 a{text-decoration:none;color:var(--ink)}.story-row p{color:var(--muted);margin:0}.row-link{white-space:nowrap}.wide-band{background:var(--ink);color:#eee8ef;margin:58px 0}.band-inner{padding:62px 0;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.wide-band h2{color:#fff}.wide-band p{color:#d7ceda}.wide-band a{color:#e7cda8}.wide-band img{border-radius:16px;aspect-ratio:1.55/1;object-fit:cover}.two-column-feed{padding:70px 0;display:grid;grid-template-columns:1fr 420px;gap:70px}.mini-story{padding:1rem 0;border-bottom:1px solid var(--line)}.mini-story h3{margin-bottom:.35rem}.mini-story p{color:var(--muted)}.note-panel{background:var(--panel);padding:18px;border-radius:26px;align-self:start}.note-panel img{border-radius:18px;aspect-ratio:1.4/1;object-fit:cover;margin-bottom:1.2rem}.note-panel h2{font-size:1.55rem}.horizontal-cards{padding:60px 0}.scroll-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.scroll-grid article{background:#fff;border-radius:18px;overflow:hidden}.scroll-grid img{width:100%;aspect-ratio:1.45/1;object-fit:cover}.scroll-grid h3,.scroll-grid p{margin-left:16px;margin-right:16px}.scroll-grid h3{margin-top:14px}.scroll-grid p{font-size:.9rem;color:var(--muted);padding-bottom:12px}.brand-strip{margin-top:70px;margin-bottom:70px;background:var(--panel);border-radius:30px;padding:44px;display:flex;align-items:end;justify-content:space-between;gap:40px}.brand-strip>div{max-width:800px}.secondary-topics{padding:30px 0 70px}.secondary-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}.secondary-list article{padding:26px 28px 26px 0}.secondary-list article+article{border-left:1px solid var(--line);padding-left:28px}.closing-path{padding:65px 0 90px;display:grid;grid-template-columns:480px 1fr;gap:60px;align-items:center}.closing-path img{border-radius:28px;aspect-ratio:1.4/1;object-fit:cover}.link-cluster{display:flex;gap:10px;flex-wrap:wrap}.link-cluster a{border:1px solid var(--line);border-radius:999px;padding:.45rem .75rem;text-decoration:none;background:#fff}
/* Inner pages */.breadcrumbs{font-size:.82rem;color:var(--muted);margin:4px 0 34px}.breadcrumbs ol{display:flex;list-style:none;padding:0;margin:0;gap:8px;flex-wrap:wrap}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#aaa1aa}.page-intro{max-width:930px;padding:28px 0 50px}.page-intro h1{font-size:clamp(2.2rem,4.5vw,4.7rem);margin-bottom:1rem}.page-intro>p:last-child{font-size:1.15rem;color:var(--muted);max-width:850px}.filter-nav{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 36px}.filter-nav a{text-decoration:none;border:1px solid var(--line);padding:.45rem .75rem;border-radius:999px;background:#fff;color:var(--text);font-size:.88rem}.filter-nav a.active{background:var(--brand);color:#fff;border-color:var(--brand)}.category-explainer,.topic-directory,.brand-explain,.guide-lead,.device-hero,.contact-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center;padding:22px 0 64px}.category-explainer img,.topic-directory img,.brand-explain img,.guide-lead img,.contact-panel img{border-radius:26px;aspect-ratio:1.4/1;object-fit:cover}.device-hero{grid-template-columns:1.12fr .88fr}.device-hero img{max-height:650px;object-fit:cover;border-radius:42px}.device-hero ol{padding-left:1.25rem}.list-section{padding:38px 0 62px}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article-grid article{background:#fff;border:1px solid #e7e0e6;border-radius:18px;padding:20px}.article-grid h3{margin-bottom:.5rem}.article-grid h3 a{text-decoration:none;color:var(--ink)}.article-grid p{font-size:.93rem;color:var(--muted)}.cross-links{padding:34px 0;border-top:1px solid var(--line)}.cross-links>div{display:flex;gap:16px;flex-wrap:wrap}.topic-list{border-top:2px solid var(--ink);margin-top:26px}.topic-list article{display:grid;grid-template-columns:70px 1fr 120px;gap:25px;padding:30px 0;border-bottom:1px solid var(--line);align-items:start}.topic-list>article>span{font-size:1.6rem;color:var(--brand-soft);font-weight:800}.topic-list h2{font-size:1.45rem;margin-bottom:.5rem}.topic-list h2 a{text-decoration:none;color:var(--ink)}.article-page{max-width:1080px}.article-header{padding:34px 0 28px}.article-header h1{font-size:clamp(2.2rem,4.3vw,4.4rem)}.article-hero{margin:12px 0 48px}.article-hero img{width:100%;max-height:590px;object-fit:cover;border-radius:26px}.article-hero figcaption{font-size:.82rem;color:var(--muted);margin-top:.55rem}.article-layout{display:grid;grid-template-columns:1fr 300px;gap:60px}.prose{max-width:820px}.prose h2{font-size:1.75rem;margin:2.2rem 0 .75rem}.prose p{font-size:1.05rem;color:#49434c}.prose code{background:var(--panel);padding:.12rem .3rem;border-radius:5px}.article-aside{align-self:start;position:sticky;top:110px;background:var(--panel);border-radius:20px;padding:20px}.article-aside h2{font-size:1.25rem}.article-aside dl{margin:1rem 0}.article-aside dl div{padding:.6rem 0;border-top:1px solid rgba(124,92,142,.16)}.article-aside dt{font-size:.73rem;color:var(--muted)}.article-aside dd{margin:.15rem 0 0;font-weight:700}.related-block{margin-top:60px;padding-top:35px;border-top:1px solid var(--line)}.related-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.related-list article{background:#fff;padding:18px;border-radius:16px}.article-next{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}.name-table{padding:32px 0}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden}th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--panel);color:var(--ink)}.guide-steps{list-style:none;padding:0;margin:20px 0 60px;border-top:2px solid var(--ink)}.guide-steps li{display:grid;grid-template-columns:70px 1fr;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}.guide-steps li>span{font-size:1.5rem;color:var(--brand-soft);font-weight:800}.guide-steps h2{font-size:1.35rem;margin-bottom:.35rem}.faq-layout{display:grid;grid-template-columns:360px 1fr;gap:50px}.faq-layout>img{border-radius:24px;position:sticky;top:110px}.faq-list details{border-bottom:1px solid var(--line);padding:0}.faq-list summary{cursor:pointer;font-size:1.08rem;font-weight:750;padding:1.1rem 0;color:var(--ink)}.faq-list details p{padding:0 0 1.1rem;color:var(--muted)}.principle-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:30px 0}.principle-grid article{background:#fff;padding:24px;border-radius:18px}.inline-search{max-width:650px;margin-top:1.6rem}.empty-state{background:var(--panel);padding:34px;border-radius:20px}.contact-panel ul{padding-left:1.2rem}.not-found{min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;max-width:760px}.error-code{font-size:6rem;font-weight:900;color:var(--brand-soft);line-height:1;margin:0}.not-found h1{font-size:3rem}.not-found>p:not(.error-code){font-size:1.15rem;color:var(--muted)}
/* Footer */.site-footer{background:var(--ink);color:#ded7e0;padding:58px 0 22px}.footer-grid,.footer-bottom{width:min(var(--max),calc(100% - 40px));margin:auto}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:45px}.site-footer h2,.site-footer h3{color:#fff}.site-footer h3{font-size:1rem}.site-footer p{color:#bfb6c2}.site-footer a{display:block;color:#ded7e0;text-decoration:none;margin:.5rem 0;font-size:.9rem}.site-footer a:hover{color:#fff}.footer-bottom{border-top:1px solid #4a424d;margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:.78rem;color:#a99fac}.back-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border:0;border-radius:50%;background:var(--accent);color:#fff;font-size:1.2rem;box-shadow:var(--shadow)}
/* Responsive */@media(max-width:1024px){.home-cover,.split-feature,.band-inner,.two-column-feed,.closing-path,.category-explainer,.topic-directory,.brand-explain,.guide-lead,.device-hero,.contact-panel{grid-template-columns:1fr}.home-cover{gap:28px}.cover-media{max-width:760px}.two-column-feed{gap:36px}.note-panel{max-width:720px}.scroll-grid{grid-template-columns:1fr 1fr}.closing-path img{max-width:700px}.article-grid{grid-template-columns:1fr 1fr}.article-layout{grid-template-columns:1fr}.article-aside{position:static}.faq-layout{grid-template-columns:1fr}.faq-layout>img{position:static;max-width:520px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.primary-nav{gap:14px}}
@media(max-width:768px){.header-inner{height:68px;gap:10px}.brand small{display:none}.menu-toggle{display:block}.primary-nav{display:none;position:absolute;top:68px;left:16px;right:16px;background:var(--paper);border:1px solid var(--line);padding:14px;border-radius:14px;box-shadow:var(--shadow)}.primary-nav.is-open{display:grid}.primary-nav a{padding:.6rem}.search-open{font-size:.82rem}.home-cover{padding-top:38px}.cover-facts{grid-template-columns:1fr}.story-row{grid-template-columns:1fr;gap:8px}.row-link{justify-self:start}.topic-list article{grid-template-columns:45px 1fr}.topic-list>article>a{grid-column:2}.article-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:auto}.brand-strip{align-items:flex-start;flex-direction:column}.secondary-list{grid-template-columns:1fr}.secondary-list article+article{border-left:0;border-top:1px solid var(--line);padding-left:0}.related-list{grid-template-columns:1fr}.page-intro{padding-bottom:32px}}
@media(max-width:600px){.section-shell,.page-shell{width:min(100% - 28px,var(--max))}.header-inner{width:calc(100% - 20px)}.brand img{width:36px;height:36px}.brand strong{font-size:.88rem}.search-open{padding:.45rem .6rem}.cover-actions{align-items:flex-start;flex-direction:column}.scroll-grid{grid-template-columns:1fr}.index-rows article{grid-template-columns:42px 1fr;gap:14px}.split-feature,.content-stream,.horizontal-cards{padding-top:42px;padding-bottom:42px}.brand-strip{padding:25px;margin-top:45px;margin-bottom:45px}.closing-path{padding:45px 0}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.search-dialog{padding:28px 20px}.search-row,.inline-search>div{flex-direction:column}.topic-list article{grid-template-columns:1fr}.topic-list>article>span{font-size:1rem}.topic-list>article>a{grid-column:auto}.article-next{flex-direction:column}.principle-grid{grid-template-columns:1fr}.guide-steps li{grid-template-columns:42px 1fr}.error-code{font-size:4rem}.not-found h1{font-size:2.2rem}}
@media(max-width:375px){body{font-size:15px}.brand span{max-width:122px}.search-open{display:none}.home-cover{padding-top:28px}.page-shell{padding-top:20px}.article-header h1,.page-intro h1{font-size:2rem}}