:root{
 --primary:#E85D75;--primary-deep:#D94A63;--accent:#F2A65A;--ink:#252833;--text:#34343C;--muted:#72727D;--bg:#FFF9F7;--soft:#F6F1F0;--line:#E7DEDC;--white:#fff;--shadow:0 18px 44px rgba(37,40,51,.08);--radius:18px;--wrap:1160px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.72}img{max-width:100%;height:auto;display:block}a{color:var(--primary-deep);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}.wrap{width:min(calc(100% - 40px),var(--wrap));margin:0 auto}.narrow{width:min(calc(100% - 40px),820px)}.skip-link{position:absolute;left:-9999px;top:0}.skip-link:focus{left:14px;top:14px;background:#fff;padding:10px;z-index:99}.site-header{position:sticky;top:0;z-index:40;background:rgba(255,249,247,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(231,222,220,.8)}.header-inner{min-height:76px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:20px;white-space:nowrap}.brand:hover{text-decoration:none}.brand img{width:42px;height:42px;object-fit:contain}.site-nav{margin-left:auto;display:flex;align-items:center;gap:6px}.site-nav a,.search-open{border:0;background:transparent;color:var(--text);padding:10px 12px;border-radius:999px;cursor:pointer}.site-nav a.active,.site-nav a:hover,.search-open:hover{background:var(--soft);text-decoration:none}.menu-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px}.home-intro{padding:62px 0 22px}.home-intro-inner{text-align:center;display:flex;flex-direction:column;align-items:center}.eyebrow{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--primary-deep);text-transform:uppercase}.home-intro h1,.intro-slab h1{margin:.2em 0 .35em;font-size:clamp(36px,6vw,64px);line-height:1.12;color:var(--ink);letter-spacing:-.035em}.lead{font-size:19px;color:#55545f;max-width:780px}.home-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:12px;font-weight:800}.primary{background:var(--primary-deep);color:#fff}.secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}.primary:hover,.secondary:hover{text-decoration:none;transform:translateY(-1px)}.home-visual{width:min(860px,100%);max-height:360px;object-fit:cover;border-radius:26px;margin-top:34px;box-shadow:var(--shadow)}.quick-rail{padding:18px 0 48px}.quick-links{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.quick-links a{padding:24px;border-right:1px solid var(--line);color:var(--text)}.quick-links a:last-child{border-right:0}.quick-links strong{display:block;color:var(--ink);margin-bottom:8px}.quick-links span{font-size:14px;color:var(--muted)}.section-split{display:grid;grid-template-columns:1.5fr .7fr;gap:42px;align-items:start;padding:70px 0}.section-split h2,.band h2,.wrap>h2,.community-inner h2,.article-page h2{font-size:clamp(26px,3vw,38px);line-height:1.2;color:var(--ink)}.note-card{background:var(--soft);padding:24px;border-radius:18px}.note-card h3{margin-top:0;color:var(--ink)}.note-card li{margin:10px 0}.band{background:var(--soft);padding:70px 0;margin:18px 0}.band.compact{padding:52px 0}.device-band{display:grid;grid-template-columns:1fr 1fr;gap:26px}.device-band article{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.device-band img{width:100%;aspect-ratio:16/8;object-fit:cover}.device-band article div{padding:24px}.device-band h3{font-size:22px;color:var(--ink)}.text-link{font-weight:800}.steps{list-style:none;padding:0;margin:28px 0;counter-reset:step}.steps li{counter-increment:step;display:grid;grid-template-columns:38px 1fr;column-gap:14px;row-gap:4px;padding:18px 0;border-top:1px solid var(--line)}.steps li:before{content:counter(step);grid-row:1/3;width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800}.steps strong{color:var(--ink);font-size:18px}.steps span{color:var(--muted)}.steps.horizontal{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.steps.horizontal li{display:block;border:0;background:#fff;padding:22px;border-radius:16px;box-shadow:0 1px 0 var(--line)}.steps.horizontal li:before{margin-bottom:14px}.steps.horizontal strong,.steps.horizontal span{display:block}.community-callout{padding:72px 0}.community-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center;background:linear-gradient(120deg,#fff,#fdf0ed);border:1px solid var(--line);border-radius:28px;padding:30px}.community-inner img{width:100%;border-radius:18px;aspect-ratio:4/3;object-fit:cover}.editor-list{display:flex;flex-direction:column;border-top:1px solid var(--line);margin:26px 0 64px}.editor-row{display:grid;grid-template-columns:180px 1fr;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}.editor-row img{width:180px;height:120px;object-fit:cover;border-radius:12px}.editor-row h3{margin:2px 0 6px;font-size:22px;color:var(--ink)}.editor-row p{margin:4px 0 8px}.closing-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:42px;align-items:center;padding:64px 0}.closing-grid img{border-radius:18px;max-height:280px;width:100%;object-fit:cover}.site-footer{margin-top:40px;background:var(--ink);color:#e8e7eb;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:48px}.site-footer h2{font-size:18px;color:#fff}.site-footer a{display:block;color:#dddbe2;padding:4px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;color:#aeadb5;font-size:14px}.intro-slab{padding:54px 0 40px;background:linear-gradient(180deg,#fff4f2 0,var(--bg) 100%)}.breadcrumbs{width:min(calc(100% - 40px),var(--wrap));margin:18px auto 0}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0;color:var(--muted);font-size:14px}.breadcrumbs li+li:before{content:'›';margin-right:8px}.split-feature{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;padding:68px 0}.split-feature.reverse{grid-template-columns:.9fr 1.1fr}.split-feature figure{margin:0}.split-feature figure img{border-radius:18px;aspect-ratio:4/3;object-fit:cover}.split-feature figcaption{font-size:13px;color:var(--muted);margin-top:8px}.two-col-text{columns:2;column-gap:42px}.link-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:26px 0 58px}.link-rail a{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;color:var(--text)}.link-rail a:hover{text-decoration:none;box-shadow:var(--shadow)}.link-rail strong{display:block;color:var(--ink);margin-bottom:8px}.link-rail span{font-size:14px;color:var(--muted)}.device-strip{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:64px 0}.device-strip article{display:grid;grid-template-columns:200px 1fr;gap:22px;align-items:start}.device-strip img{width:200px;height:200px;object-fit:cover;border-radius:18px}.device-strip h2{font-size:25px}.compare-table{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}.compare-table>div{display:grid;grid-template-columns:.8fr 1fr 1fr;border-top:1px solid var(--line)}.compare-table>div:first-child{border-top:0}.compare-table span,.compare-table strong{padding:14px 16px}.compare-head{background:#fff1ef;font-weight:800;color:var(--ink)}.check-list{padding-left:20px}.check-list li{margin:12px 0}.guide-index{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:64px 0}.guide-index a{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;color:var(--text);position:relative}.guide-index a:hover{text-decoration:none;box-shadow:var(--shadow)}.guide-index span{font-weight:900;color:var(--primary);font-size:13px}.guide-index strong{display:block;font-size:22px;color:var(--ink);margin:6px 0}.prose{max-width:820px;padding:60px 0}.prose h2{margin-top:42px}.wide-copy{font-size:18px;max-width:900px}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:64px 0}.contact-layout>div>img{border-radius:18px;max-height:300px;width:100%;object-fit:cover}.contact-form{background:#fff;border:1px solid var(--line);padding:28px;border-radius:18px}.contact-form label{display:block;margin:16px 0;font-weight:700}.contact-form select,.contact-form textarea,.page-search input,.search-line input{width:100%;border:1px solid #cfc6c4;border-radius:10px;padding:12px;background:#fff;margin-top:7px}.contact-form button,.page-search button,.search-line button{border:0;background:var(--primary-deep);color:#fff;padding:12px 18px;border-radius:10px;font-weight:800}.form-note{font-size:14px;color:var(--muted)}.faq-list{padding:52px 0}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:14px;margin:12px 0;overflow:hidden}.faq-list summary{cursor:pointer;padding:18px 20px;font-weight:800;color:var(--ink)}.faq-list details div{padding:0 20px 18px}.diagnostic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:64px 0}.diagnostic-grid article{border-top:4px solid var(--primary);background:#fff;padding:22px;border-radius:12px;box-shadow:0 1px 0 var(--line)}.diagnostic-grid span{font-weight:900;color:var(--primary)}.diagnostic-grid h2{font-size:20px}.issue-list>div{display:grid;grid-template-columns:220px 1fr;gap:18px;padding:16px 0;border-top:1px solid var(--line)}.article-page{padding:54px 0}.article-header{margin-bottom:24px}.article-cover{width:100%;max-height:420px;object-fit:cover;border-radius:20px;margin:28px 0}.article-page section{margin:38px 0}.article-page section h2{font-size:28px}.article-page section p{font-size:18px}.article-next{background:var(--soft);padding:24px;border-radius:16px;margin-top:48px}.article-next h2{font-size:22px}.page-search{display:flex;gap:10px;margin-top:22px}.page-search input{margin:0}.search-results{padding:48px 0}.result-count{color:var(--muted)}.empty-state{background:#fff;border:1px solid var(--line);padding:28px;border-radius:16px}.not-found{padding:120px 0;text-align:center}.not-found h1{font-size:52px;color:var(--ink)}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:start center;padding-top:12vh}.search-backdrop{position:absolute;inset:0;background:rgba(37,40,51,.56)}.search-dialog{position:relative;width:min(calc(100% - 30px),620px);background:#fff;border-radius:20px;padding:28px;box-shadow:0 28px 80px rgba(0,0,0,.25)}.search-close{position:absolute;top:14px;right:14px;border:0;background:var(--soft);width:36px;height:36px;border-radius:50%;font-size:24px}.search-line{display:flex;gap:10px}.search-line input{margin:0}.modal-open{overflow:hidden}.back-top{position:fixed;right:20px;bottom:20px;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s}.back-top.visible{opacity:1;pointer-events:auto}
@media(max-width:1024px){.site-nav{position:absolute;left:20px;right:20px;top:70px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:12px;display:none;flex-direction:column;align-items:stretch}.site-nav.is-open{display:flex}.menu-toggle{display:block}.quick-links{grid-template-columns:1fr 1fr}.quick-links a:nth-child(2){border-right:0}.quick-links a{border-bottom:1px solid var(--line)}.section-split,.community-inner,.closing-grid,.split-feature,.split-feature.reverse,.contact-layout{grid-template-columns:1fr}.device-strip article{grid-template-columns:150px 1fr}.steps.horizontal,.diagnostic-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section{grid-column:1/-1}}
@media(max-width:768px){.wrap,.narrow,.breadcrumbs{width:min(calc(100% - 28px),var(--wrap))}.home-intro{padding-top:40px}.home-intro h1,.intro-slab h1{font-size:38px}.lead{font-size:17px}.quick-links,.device-band,.guide-index,.link-rail{grid-template-columns:1fr}.quick-links a{border-right:0}.steps.horizontal,.diagnostic-grid{grid-template-columns:1fr}.editor-row{grid-template-columns:110px 1fr}.editor-row img{width:110px;height:90px}.device-strip{grid-template-columns:1fr}.device-strip article{grid-template-columns:110px 1fr}.device-strip img{width:110px;height:110px}.compare-table>div{grid-template-columns:1fr}.compare-head{display:none!important}.compare-table strong{background:#fff1ef}.two-col-text{columns:1}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:4px}.issue-list>div{grid-template-columns:1fr}.search-line,.page-search{flex-direction:column}}
@media(max-width:480px){.header-inner{min-height:66px}.brand img{width:34px;height:34px}.brand span{font-size:18px}.home-actions{flex-direction:column;align-items:stretch;width:100%}.home-actions a{text-align:center}.community-inner{padding:18px}.editor-row{grid-template-columns:1fr}.editor-row img{width:100%;height:180px}.device-strip article{grid-template-columns:1fr}.device-strip img{width:100%;height:180px}.home-intro h1,.intro-slab h1{font-size:32px}.site-footer{padding-top:44px}}