:root{--primary:#E85D75;--primary-dark:#D94A63;--accent:#F2A65A;--ink:#252833;--text:#34343C;--muted:#72727D;--bg:#FFF9F7;--soft:#F6F1F0;--line:#E8DEDC;--white:#fff;--radius:22px;--shadow:0 18px 50px rgba(63,45,48,.08);--max:1180px}*{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%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.reading{
    width:min(820px,calc(100% - 40px));
    margin:auto;
}
.skip-link{position:fixed;left:12px;top:-80px;background:var(--ink);color:#fff;padding:10px 14px;z-index:1000}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,249,247,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(232,222,220,.85)}.header-inner{min-height:72px;width:min(var(--max),calc(100% - 32px));margin:auto;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);white-space:nowrap}.brand img{width:38px;height:38px;object-fit:contain}.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}.main-nav a{padding:9px 11px;border-radius:12px;color:#4f4f59;font-size:15px}.main-nav a:hover,.main-nav a.active{background:var(--soft);color:var(--primary-dark)}.search-open,.menu-toggle{border:1px solid var(--line);background:var(--white);padding:8px 13px;border-radius:12px;color:var(--ink);cursor:pointer}.menu-toggle{display:none}.brand-entry{padding:72px 0 34px;text-align:center}.brand-entry .inner{width:min(850px,calc(100% - 40px));margin:auto}.eyebrow{margin:0 0 9px;color:var(--primary-dark);font-weight:800;letter-spacing:.08em;font-size:13px;text-transform:uppercase}.brand-entry h1,.page-head h1{color:var(--ink);font-size:clamp(34px,6vw,68px);line-height:1.06;margin:0 0 20px;letter-spacing:-.035em}.brand-entry .lead,.page-head .lead{font-size:clamp(17px,2vw,21px);color:#5f5f69;margin:0 auto;max-width:760px}.entry-visual{width:min(980px,calc(100% - 40px));margin:34px auto 0;border-radius:30px;overflow:hidden;max-height:340px}.entry-visual img{width:100%;height:340px;object-fit:cover}.quick-strip{width:min(1060px,calc(100% - 40px));margin:0 auto 74px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:var(--white);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.quick-strip a{padding:22px;min-height:140px;border-right:1px solid var(--line)}.quick-strip a:last-child{border-right:0}.quick-strip strong{display:block;color:var(--ink);font-size:18px;margin-bottom:7px}.quick-strip span{font-size:14px;color:var(--muted)}.section{padding:68px 0}.section.soft{background:var(--soft)}.section.dark{background:var(--ink);color:#f8f6f5}.section-head{display:flex;justify-content:space-between;gap:32px;align-items:end;margin-bottom:28px}.section-head h2,.content-block h2,.reading h2{font-size:clamp(27px,4vw,42px);line-height:1.15;color:var(--ink);margin:0}.section.dark .section-head h2{color:#fff}.section-head p{margin:0;max-width:560px;color:var(--muted)}.section.dark .section-head p{color:#cbc9cf}.wide-band{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:48px}.wide-band .media{border-radius:24px;overflow:hidden;min-height:350px}.wide-band .media img{width:100%;height:100%;min-height:350px;object-fit:cover}.checklist{list-style:none;padding:0;margin:24px 0}.checklist li{position:relative;padding:12px 0 12px 32px;border-bottom:1px solid var(--line)}.checklist li:before{content:"✓";position:absolute;left:0;top:12px;color:var(--primary-dark);font-weight:900}.device-split{display:grid;grid-template-columns:1fr 1fr;gap:34px}.device-pane{padding:30px;background:var(--white);border:1px solid var(--line);border-radius:24px}.device-pane img{width:100%;height:220px;object-fit:cover;border-radius:16px;margin-bottom:22px}.device-pane h3{font-size:24px;color:var(--ink);margin:0 0 10px}.steps{counter-reset:item;list-style:none;padding:0;margin:28px 0}.steps li{counter-increment:item;display:grid;grid-template-columns:46px 1fr;gap:16px;padding:19px 0;border-bottom:1px solid var(--line)}.steps li:before{content:counter(item);width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:var(--primary);color:#fff;font-weight:800}.narrow-callout{width:min(860px,calc(100% - 40px));margin:0 auto;padding:36px;border-left:5px solid var(--primary);background:#fff;border-radius:0 20px 20px 0;box-shadow:var(--shadow)}.narrow-callout h2{margin-top:0;color:var(--ink)}.text-index{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line)}.text-index a{padding:22px 8px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:18px}.text-index a:nth-child(odd){padding-right:26px}.text-index strong{color:var(--ink)}.text-index span{color:var(--muted);font-size:14px}.topic-feature{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}.topic-feature img{height:310px;width:100%;object-fit:cover;border-radius:24px}.actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:25px}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--primary-dark);color:#fff;padding:11px 18px;border:0;border-radius:13px;font-weight:750;cursor:pointer}.btn:hover{filter:brightness(.96)}.text-link{color:var(--primary-dark);font-weight:750;padding:10px 0}.page-head{padding:62px 0 38px}.page-head h1{font-size:clamp(34px,5vw,56px)}.breadcrumbs{font-size:14px;color:var(--muted);padding-top:24px}.breadcrumbs ol{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0;gap:8px}.breadcrumbs li:not(:last-child):after{content:"/";margin-left:8px;color:#aaa}.breadcrumbs a:hover{color:var(--primary-dark)}.content-block{padding:30px 0}.content-block p{font-size:17px}.content-block h2,.reading h2{margin-top:44px;font-size:30px}.content-block h3,.reading h3{font-size:21px;color:var(--ink);margin-top:30px}.aside-note{background:var(--soft);padding:22px 24px;border-radius:18px;margin:28px 0}.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:28px 0}.compare>div{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff}.compare h3{margin-top:0}.article-list{display:grid;gap:0;border-top:1px solid var(--line)}.article-row{display:grid;grid-template-columns:170px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}.article-row img{width:170px;height:112px;object-fit:cover;border-radius:14px}.article-row h2,.article-row h3{margin:0 0 6px;font-size:21px}.article-row p{margin:0;color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;text-align:left;background:none;border:0;padding:20px 0;font-weight:800;color:var(--ink);display:flex;justify-content:space-between;gap:16px;cursor:pointer}.faq-a{padding:0 0 22px;color:#555}.faq-a[hidden]{display:none!important}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;background:rgba(37,40,51,.58);z-index:500;display:grid;place-items:start center;padding-top:12vh}.search-panel{width:min(650px,calc(100% - 32px));background:var(--bg);border-radius:24px;padding:30px;position:relative;box-shadow:0 30px 80px rgba(0,0,0,.25)}.search-close{position:absolute;right:18px;top:14px;border:0;background:none;font-size:32px;cursor:pointer}.search-row{display:flex;gap:10px}.search-row input{flex:1;min-width:0;border:1px solid var(--line);border-radius:12px;padding:11px 13px;background:#fff}.search-result{padding:20px 0;border-bottom:1px solid var(--line)}.search-result h2{font-size:22px;margin:0 0 6px}.empty-state{text-align:center;padding:90px 0}.site-footer{margin-top:70px;background:var(--ink);color:#e9e6e8;padding:52px 0 22px}.footer-grid{width:min(var(--max),calc(100% - 40px));margin:auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:52px}.footer-grid h2{font-size:17px;color:#fff;margin-top:0}.footer-grid p{color:#c8c5c9}.footer-grid a{display:block;color:#d8d5d8;padding:5px 0}.footer-grid a:hover{color:#fff}.footer-bottom{width:min(var(--max),calc(100% - 40px));margin:36px auto 0;padding-top:18px;border-top:1px solid #454751;display:flex;justify-content:space-between;gap:20px;color:#aaa7ad;font-size:13px}.back-top{position:fixed;right:18px;bottom:18px;width:42px;height:42px;border:0;border-radius:50%;background:var(--primary-dark);color:#fff;box-shadow:var(--shadow);cursor:pointer}.tag{display:inline-block;background:#fbe8ec;color:var(--primary-dark);border-radius:999px;padding:4px 10px;font-size:13px;font-weight:700}.notice-list{padding-left:20px}.notice-list li{margin:10px 0}.two-col-copy{columns:2;column-gap:42px}.two-col-copy p{break-inside:avoid}.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.mini-grid article{padding:22px;border-top:3px solid var(--accent);background:#fff;border-radius:0 0 16px 16px}.mini-grid h3{margin:0 0 9px;color:var(--ink)}.hero-note{max-width:720px;margin:20px auto 0;padding:13px 16px;background:rgba(232,93,117,.08);border-radius:14px;color:#5c4e52}.banner-cut{margin:34px 0;border-radius:24px;overflow:hidden;max-height:290px}.banner-cut img{width:100%;height:290px;object-fit:cover}.related-links{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px}.related-links a{padding:16px 18px;background:var(--soft);border-radius:14px}.related-links a:hover{background:#f2e9e7}.page-image{margin:28px 0;border-radius:24px;overflow:hidden}.page-image img{width:100%;max-height:380px;object-fit:cover}.meta-line{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin:12px 0 28px}.legal-box{background:#fff;border:1px solid var(--line);padding:24px;border-radius:18px}.site-map-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.site-map-list a{padding:18px;background:#fff;border:1px solid var(--line);border-radius:15px}.site-map-list strong{display:block;color:var(--ink)}
@media(max-width:1024px){.main-nav{gap:2px}.main-nav a{font-size:14px;padding:8px}.wide-band,.topic-feature{gap:30px}.quick-strip{grid-template-columns:repeat(2,1fr)}.quick-strip a:nth-child(2){border-right:0}.quick-strip a:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:850px){.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;left:16px;right:16px;top:66px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:11px 13px}.search-open{margin-left:0}.wide-band,.topic-feature,.device-split{grid-template-columns:1fr}.topic-feature img{order:-1}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section:first-child{grid-column:1/-1}.mini-grid{grid-template-columns:1fr}.two-col-copy{columns:1}}
@media(max-width:600px){.container,.reading{width:min(100% - 28px,var(--max))}.header-inner{width:calc(100% - 24px);gap:10px;min-height:64px}.brand span{display:none}.brand img{width:34px;height:34px}.brand-entry{padding-top:50px}.brand-entry h1{font-size:40px}.entry-visual{width:calc(100% - 28px);border-radius:20px}.entry-visual img{height:240px}.quick-strip{width:calc(100% - 28px);grid-template-columns:1fr}.quick-strip a{border-right:0;border-bottom:1px solid var(--line);min-height:auto}.quick-strip a:last-child{border-bottom:0}.section{padding:50px 0}.section-head{display:block}.section-head p{margin-top:12px}.article-row{grid-template-columns:1fr}.article-row img{width:100%;height:180px}.text-index{grid-template-columns:1fr}.text-index a:nth-child(odd){padding-right:8px}.compare,.related-links,.site-map-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid section:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}.search-row{display:block}.search-row .btn{margin-top:10px;width:100%}.narrow-callout{width:calc(100% - 28px);padding:26px}.two-col-copy{columns:1}}
@media(max-width:375px){.search-open,.menu-toggle{padding:7px 9px;font-size:14px}.page-head{padding-top:42px}.page-head h1{font-size:35px}.brand-entry h1{font-size:36px}.device-pane{padding:22px}.section-head h2,.content-block h2,.reading h2{font-size:26px}}