:root{--primary:#E85D75;--accent:#D94A63;--orange:#F2A65A;--ink:#252833;--text:#34343C;--muted:#72727D;--bg:#FFF9F7;--soft:#F6F1F0;--line:#eadedb;--white:#fff;--shadow:0 14px 38px rgba(45,32,34,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.narrow{width:min(780px,calc(100% - 40px))}.skip-link{position:absolute;left:-9999px;top:0}.skip-link:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:9999}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,249,247,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{min-height:72px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:20px}.brand img{width:38px;height:38px;object-fit:contain}.site-nav{display:flex;gap:4px;align-items:center;margin-left:auto}.nav-link{padding:8px 11px;border-radius:10px;color:var(--muted);font-size:15px}.nav-link:hover,.nav-link.is-active{color:var(--accent);background:#fff}.search-open,.menu-toggle{border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;color:var(--ink);cursor:pointer}.menu-toggle{display:none}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:100;background:rgba(37,40,51,.48);display:grid;place-items:start center;padding-top:12vh}.search-panel{width:min(620px,calc(100% - 32px));background:#fff;border-radius:18px;padding:22px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between}.search-head h2{margin:0}.search-close{border:0;background:transparent;font-size:32px;line-height:1;cursor:pointer}.search-row,.search-page-form div{display:flex;gap:10px;margin-top:8px}.search-row input,.search-page-form input{flex:1;min-width:0;border:1px solid var(--line);border-radius:10px;padding:11px 13px}.search-row button,.search-page-form button{border:0;border-radius:10px;background:var(--accent);color:#fff;padding:0 18px}.entry-hero{padding:78px 0 20px}.hero-center{text-align:center}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.08em;font-weight:800;font-size:13px}.hero-center h1,.page-intro h1{max-width:880px;margin:10px auto 18px;color:var(--ink);font-size:clamp(34px,5vw,64px);line-height:1.08}.page-intro h1{margin-left:0;font-size:clamp(34px,4.4vw,54px)}.lead,.page-intro>p:last-child{max-width:780px;margin:0 auto;color:var(--muted);font-size:18px}.page-intro>p:last-child{margin-left:0}.hero-actions{display:flex;justify-content:center;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;border-radius:12px;padding:11px 17px;font-weight:700}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.hero-visual{width:min(840px,100%);margin:40px auto 0;border-radius:30px;overflow:hidden;box-shadow:var(--shadow);background:var(--soft)}.hero-visual img{width:100%;aspect-ratio:16/7;object-fit:cover}.quick-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-top:34px}.quick-item{background:#fff;padding:20px}.quick-item span{display:block;font-weight:800;color:var(--ink);margin-bottom:5px}.quick-item small{display:block;color:var(--muted);line-height:1.6}.section{padding:78px 0}.split-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.split-intro h2,.section-head h2,.topic-copy h2{font-size:clamp(28px,3vw,42px);line-height:1.2;color:var(--ink);margin:8px 0 14px}.split-intro figure,.community-focus figure{margin:0;border-radius:22px;overflow:hidden}.split-intro img,.community-focus img{width:100%;aspect-ratio:4/3;object-fit:cover}.text-link{color:var(--accent);font-weight:800}.device-band{padding:78px 0;background:var(--soft)}.section-head{max-width:760px}.steps-list{margin-top:32px;border-top:1px solid #dfd1cf}.step{display:grid;grid-template-columns:64px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid #dfd1cf}.step>span{font-weight:900;color:var(--primary);font-size:22px}.step h3{margin:0 0 4px;color:var(--ink)}.step p{margin:0;color:var(--muted)}.device-pair{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}.device-pair>div{background:#fff;border-radius:18px;padding:18px}.device-pair img{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:12px}.device-pair h3{margin-bottom:4px}.device-pair p{color:var(--muted)}.device-pair a{color:var(--accent);font-weight:700}.community-focus{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center}.compact-list{border-top:1px solid var(--line)}.compact-list a{display:grid;grid-template-columns:.7fr 1.3fr;gap:28px;padding:18px 0;border-bottom:1px solid var(--line)}.compact-list strong{color:var(--ink)}.compact-list span{color:var(--muted)}.article-lines a{display:grid;grid-template-columns:120px .9fr 1.3fr;gap:22px;padding:18px 0;border-bottom:1px solid var(--line);align-items:start}.article-lines span{color:var(--accent);font-weight:800}.article-lines small{color:var(--muted);font-size:14px}.page-layout{padding-bottom:80px}.breadcrumbs{padding:26px 0 10px}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0;font-size:14px;color:var(--muted)}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#b8aaaa}.page-intro{padding:34px 0 44px}.wide-note,.community-criteria{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center;background:var(--soft);border-radius:22px;padding:30px}.wide-note img,.community-criteria img{border-radius:14px;aspect-ratio:4/3;object-fit:cover}.wide-note h2,.community-criteria h2,.reading-block h2,.two-column-text h2,.related-band h2,.guide-chapter h2,.legal-page h2,.comparison-table h2{color:var(--ink)}.reading-block{padding:54px 0;max-width:820px}.reading-block p{font-size:17px}.two-column-text{display:grid;grid-template-columns:1fr 1fr;gap:26px}.two-column-text>div{border-top:3px solid var(--primary);padding-top:12px}.related-band{margin-top:54px;background:var(--ink);color:#fff;border-radius:18px;padding:26px}.related-band h2{color:#fff;margin-top:0}.related-band a{display:block;padding:9px 0;border-top:1px solid rgba(255,255,255,.16)}.device-section{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center;padding:40px 0;border-top:1px solid var(--line)}.device-section.reverse{grid-template-columns:.9fr 1.1fr}.device-section.reverse .device-copy{order:2}.device-section.reverse figure{order:1}.device-section figure{margin:0}.device-section img{border-radius:18px;aspect-ratio:4/3;object-fit:cover}.device-copy h2{font-size:34px;line-height:1.25;color:var(--ink)}.comparison-table{padding-top:40px}.table-wrap{overflow:auto}.comparison-table table{width:100%;border-collapse:collapse;background:#fff}.comparison-table th,.comparison-table td{text-align:left;border:1px solid var(--line);padding:13px}.comparison-table th{background:var(--soft)}.community-criteria{grid-template-columns:1fr 1fr}.callout{background:#fff;border-left:5px solid var(--orange);padding:22px 24px;border-radius:10px;box-shadow:var(--shadow)}.guide-chapter{padding:34px 0;border-bottom:1px solid var(--line)}.decision-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}.decision-list div{background:#fff;padding:18px;border-radius:14px}.decision-list strong,.decision-list span{display:block}.decision-list span{color:var(--muted);margin-top:5px}.numbered{list-style:none;padding:0;counter-reset:item}.numbered li{counter-increment:item;display:grid;grid-template-columns:170px 1fr;gap:20px;padding:14px 0;border-bottom:1px solid var(--line)}.numbered li strong::before{content:counter(item,decimal-leading-zero) ". ";color:var(--primary)}.guide-image,.about-image{margin-top:24px;border-radius:18px;width:100%;max-height:440px;object-fit:cover}.faq-list{display:grid;gap:10px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 18px}.faq-list summary{font-weight:800;color:var(--ink);cursor:pointer}.faq-list p{color:var(--muted)}.article-page{padding-bottom:70px}.article-page article h1{font-size:clamp(34px,4vw,52px);line-height:1.15;color:var(--ink)}.article-deck{font-size:19px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:20px}.article-page article h2{margin-top:34px;color:var(--ink)}.article-page article p{font-size:17px}.article-back{display:flex;gap:10px;margin-top:36px}.article-back a{border:1px solid var(--line);padding:10px 14px;border-radius:10px;background:#fff}.search-page{padding:40px 0 80px}.search-page-form{margin:22px 0}.empty-state,.result-count{color:var(--muted)}.search-results a{display:block;padding:18px 0;border-top:1px solid var(--line)}.search-results strong,.search-results span{display:block}.search-results span{color:var(--muted);font-size:14px}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.about-grid div{background:#fff;border-radius:16px;padding:22px}.legal-page{padding:32px 0 80px}.legal-page h1{font-size:46px;line-height:1.15;color:var(--ink)}.legal-page p,.legal-page li{font-size:17px}.site-footer{background:#252833;color:#f3edef;padding:48px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:40px}.footer-grid h2,.footer-grid h3{color:#fff}.footer-grid a{display:block;color:#d8ced1;padding:4px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;display:flex;justify-content:space-between;color:#bfb4b8}.error-page{padding:100px 0}.error-page h1{font-size:48px;color:var(--ink)}
@media(max-width:1024px){.site-nav{position:fixed;inset:72px 18px auto 18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;display:none;box-shadow:var(--shadow)}.site-nav.is-open{display:grid}.menu-toggle{display:block;margin-left:auto}.search-open{margin-left:0}.quick-strip{grid-template-columns:1fr}.split-intro,.community-focus,.wide-note,.community-criteria,.device-section,.device-section.reverse{grid-template-columns:1fr}.device-section.reverse .device-copy,.device-section.reverse figure{order:initial}.article-lines a{grid-template-columns:100px 1fr}.article-lines small{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:768px){.container,.narrow{width:min(100% - 28px,1160px)}.header-inner{min-height:64px;gap:10px}.site-nav{inset:64px 14px auto}.brand span{font-size:18px}.entry-hero{padding-top:54px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.hero-visual{border-radius:20px}.section,.device-band{padding:54px 0}.device-pair,.two-column-text,.decision-list,.about-grid{grid-template-columns:1fr}.compact-list a{grid-template-columns:1fr;gap:4px}.article-lines a{grid-template-columns:1fr;gap:3px}.article-lines small{grid-column:auto}.wide-note,.community-criteria{padding:20px}.numbered li{grid-template-columns:1fr;gap:3px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column;gap:6px}.legal-page h1{font-size:38px}}
@media(max-width:480px){.brand img{width:32px;height:32px}.search-open,.menu-toggle{padding:7px 9px}.hero-center h1,.page-intro h1{font-size:34px}.lead,.page-intro>p:last-child{font-size:16px}.step{grid-template-columns:44px 1fr}.device-copy h2{font-size:28px}.article-back{flex-direction:column}.search-row,.search-page-form div{flex-direction:column}.search-row button,.search-page-form button{padding:11px}.footer-bottom{font-size:14px}}
