:root{
  --brand:#B9473F;--amber:#D89A45;--dark:#1E2026;--paper:#F7F4EF;--soft:#EEE9E2;--text:#2B2D31;--muted:#6F706F;--accent:#E06A3B;--line:#D9D2C9;--white:#fff;--radius:18px;--shadow:0 18px 50px rgba(30,32,38,.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",Arial,sans-serif;line-height:1.75}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}button,input{font:inherit}.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.skip-link{position:absolute;left:12px;top:-60px;background:var(--dark);color:#fff;padding:10px 14px;z-index:999}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:100;background:rgba(247,244,239,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(217,210,201,.8)}.header-row{min-height:76px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;min-width:210px}.brand img{width:44px;height:44px;border-radius:12px;object-fit:cover}.brand span{display:flex;flex-direction:column;line-height:1.25}.brand b{font-size:17px}.brand small{color:var(--muted);font-size:12px;margin-top:3px}.site-nav{display:flex;align-items:center;gap:4px;flex:1}.site-nav a{padding:10px 11px;border-radius:10px;text-decoration:none;color:#424449;font-size:14px;white-space:nowrap}.site-nav a:hover,.site-nav a[aria-current="page"]{background:var(--soft);color:var(--brand)}.search-open,.menu-toggle{border:1px solid var(--line);background:#fff;border-radius:12px;padding:9px 13px;color:var(--text);cursor:pointer}.menu-toggle{display:none}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:300;display:grid;place-items:start center;padding-top:12vh}.search-backdrop{position:absolute;inset:0;background:rgba(30,32,38,.66)}.search-dialog{position:relative;width:min(650px,calc(100% - 32px));background:var(--paper);border-radius:22px;padding:32px;box-shadow:0 30px 90px rgba(0,0,0,.28)}.search-close{position:absolute;right:18px;top:14px;border:0;background:transparent;font-size:32px;line-height:1;cursor:pointer}.search-form label{display:block;font-weight:700;margin-bottom:8px}.search-input-row{display:flex;gap:10px}.search-input-row input{flex:1;min-width:0;border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 14px;outline:none}.search-input-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(185,71,63,.12)}.search-input-row button{border:0;background:var(--brand);color:#fff;border-radius:12px;padding:0 20px;font-weight:700;cursor:pointer}.eyebrow{margin:0 0 10px;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--brand)}.hero{padding:72px 0 58px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}.hero h1,.page-intro h1{font-size:clamp(36px,5vw,66px);line-height:1.08;letter-spacing:-.04em;margin:0 0 22px}.hero-lead,.lead{font-size:19px;color:#4a4c50;max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border-radius:12px;font-weight:800;text-decoration:none}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:#a63d36}.btn-ghost{background:transparent;border:1px solid var(--line)}.hero-points{padding:0;margin:0;list-style:none;display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:14px}.hero-points li::before{content:"•";color:var(--accent);margin-right:8px}.hero-media{margin:0;position:relative}.hero-media::before{content:"";position:absolute;width:54%;height:35%;background:var(--amber);border-radius:60px;right:-18px;bottom:-18px;opacity:.2;z-index:-1}.hero-media img{border-radius:28px;aspect-ratio:7/5;object-fit:cover;box-shadow:var(--shadow)}.section{padding:74px 0}.section-soft{background:var(--soft)}.section-dark{background:var(--dark);color:#f6f2ec}.section-head{display:grid;grid-template-columns:1fr 1.35fr;gap:18px 40px;align-items:end;margin-bottom:34px}.section-head .eyebrow{grid-column:1/-1;margin-bottom:-4px}.section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.15;margin:0;letter-spacing:-.025em}.section-head>p:last-child{margin:0;color:var(--muted)}.inverse>p:last-child{color:#c9c1b8}.core-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.core-card{display:block;background:var(--paper);border:1px solid transparent;border-radius:20px;padding:27px;text-decoration:none;transition:.2s transform,.2s border-color}.core-card:hover{transform:translateY(-3px);border-color:#d3c7bc}.tag{display:inline-block;background:rgba(185,71,63,.1);color:var(--brand);padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800}.core-card h3{font-size:24px;margin:14px 0 8px}.core-card p{color:var(--muted);margin:0 0 18px}.text-link{font-weight:800;color:var(--brand)}.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.feature-split.reverse{direction:rtl}.feature-split.reverse>*{direction:ltr}.feature-image{margin:0}.feature-image img{border-radius:24px;aspect-ratio:19/13;object-fit:cover}.feature-split h2,.editorial-grid h2,.faq-preview h2{font-size:clamp(30px,4vw,45px);line-height:1.15;margin:0 0 20px}.feature-split p{color:#53555a}.inline-links{display:flex;gap:16px;flex-wrap:wrap;margin-top:20px}.inline-links a{font-weight:750;color:var(--brand)}.story-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.story-card{border-top:1px solid #55565a;padding:22px 6px 26px}.story-meta{display:flex;justify-content:space-between;gap:12px;color:#c9c1b8;font-size:13px}.story-card h3{font-size:23px;line-height:1.35;margin:10px 0}.story-card h3 a{text-decoration:none}.story-card p{color:#c9c1b8;margin:0}.editorial-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:56px}.steps{list-style:none;margin:28px 0 0;padding:0}.steps li{display:grid;grid-template-columns:56px 1fr;gap:16px;padding:22px 0;border-top:1px solid var(--line)}.steps span{font-size:13px;font-weight:900;color:var(--brand)}.steps h3{margin:0 0 6px;font-size:21px}.steps p{margin:0;color:var(--muted)}.editor-note{background:var(--soft);border-radius:22px;padding:18px;align-self:start}.editor-note img{border-radius:16px;aspect-ratio:4/3;object-fit:cover}.editor-note h3{font-size:24px;margin:20px 8px 6px}.editor-note p,.editor-note .text-link{margin-left:8px;margin-right:8px}.guide-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}.guide-strip a{background:var(--paper);padding:26px;text-decoration:none}.guide-strip h3{margin:0 0 8px;font-size:20px}.guide-strip p{margin:0;color:var(--muted)}.faq-preview{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.faq-list details{border-top:1px solid var(--line);padding:0}.faq-list summary{cursor:pointer;font-weight:800;font-size:18px;padding:18px 34px 18px 0;position:relative}.faq-list summary::after{content:"+";position:absolute;right:5px;font-size:24px;color:var(--brand)}.faq-list details[open] summary::after{content:"–"}.faq-list p{margin:0 0 20px;color:var(--muted)}.breadcrumbs{background:var(--soft);border-bottom:1px solid var(--line)}.breadcrumbs ol{width:min(var(--max),calc(100% - 40px));margin:auto;padding:10px 0;display:flex;list-style:none;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted)}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#aaa}.breadcrumbs a{text-decoration:none}.page-intro{padding:64px 0 46px}.intro-grid{display:grid;grid-template-columns:1.05fr .75fr;gap:56px;align-items:center}.intro-visual{margin:0}.intro-visual img{border-radius:24px;aspect-ratio:3/2;object-fit:cover}.reading-layout,.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:62px;align-items:start}.prose{font-size:17px}.prose.wide{max-width:900px}.prose h2{font-size:31px;line-height:1.28;margin:48px 0 14px}.prose h2:first-child{margin-top:0}.prose h3{font-size:20px}.prose p{margin:0 0 18px}.prose a{color:var(--brand);font-weight:700}.prose li{margin:8px 0}.prose code{background:var(--soft);padding:2px 6px;border-radius:5px}.side-card{position:sticky;top:104px;background:var(--soft);border-radius:20px;padding:24px}.side-card h2{font-size:21px;margin:0 0 12px}.side-card ul{padding-left:20px;margin-bottom:0}.side-card a{color:var(--brand)}.side-card img{border-radius:14px;margin-bottom:20px}.check-grid,.comparison,.note-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:24px 0}.check-grid>div,.comparison>div,.note-grid>div{background:var(--soft);padding:20px;border-radius:16px}.check-grid h3,.comparison h3,.note-grid h3{margin-top:0}.comparison{grid-template-columns:repeat(3,1fr)}.notice{margin:28px 0;border-left:4px solid var(--brand);padding:18px 20px;background:var(--soft);border-radius:0 14px 14px 0}.notice strong{display:block;margin-bottom:4px}.notice p{margin:0}.notice-warm{border-left-color:var(--amber);background:#f2e8d8}.timeline{margin:28px 0}.timeline>div{display:grid;grid-template-columns:46px 150px 1fr;gap:16px;align-items:start;border-top:1px solid var(--line);padding:18px 0}.timeline span{width:32px;height:32px;display:grid;place-items:center;background:var(--brand);color:#fff;border-radius:50%;font-weight:800}.timeline h3,.timeline p{margin:0}.mini-search{display:flex;gap:8px;margin-top:16px}.mini-search input{min-width:0;flex:1;border:1px solid var(--line);border-radius:10px;padding:10px}.mini-search button{border:0;background:var(--brand);color:#fff;border-radius:10px;padding:10px 14px}.faq-page{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:62px}.faq-page .faq-list summary{font-size:20px;padding-block:22px}.article-date{font-size:14px;color:var(--muted);padding-bottom:14px;border-bottom:1px solid var(--line)}.page-search{max-width:720px;margin-top:28px}.search-results{max-width:900px}.result-count{font-weight:800;color:var(--muted)}.result-list article{padding:26px 0;border-top:1px solid var(--line)}.result-list h2{font-size:25px;margin:0 0 6px}.result-list h2 a{color:var(--text)}.result-list p{color:var(--muted);margin:0}.empty-state{background:var(--soft);border-radius:18px;padding:28px}.error-page{padding:110px 0;min-height:58vh}.error-page .container{max-width:800px}.error-code{font-size:16px;color:var(--brand);font-weight:900}.error-page h1{font-size:clamp(42px,8vw,76px);margin:0 0 12px}.site-footer{background:var(--dark);color:#eee8e0;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.25fr repeat(3,.75fr);gap:36px}.footer-grid h2{font-size:16px;margin:0 0 12px}.footer-grid p,.footer-grid a{color:#c9c1b8;font-size:14px}.footer-grid ul{list-style:none;margin:0;padding:0}.footer-grid li{margin:7px 0}.footer-bottom{border-top:1px solid #4e5055;margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#aeadab;font-size:13px}.back-top{color:#f3d9c0}
@media(max-width:1024px){.site-nav{position:absolute;left:20px;right:20px;top:70px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);display:none;flex-direction:column;align-items:stretch}.site-nav.is-open{display:flex}.menu-toggle{display:block;margin-left:auto}.search-open{margin-left:0}.hero-grid,.feature-split,.editorial-grid,.faq-preview,.intro-grid{grid-template-columns:1fr;gap:34px}.hero-media{max-width:760px}.reading-layout,.article-layout,.faq-page{grid-template-columns:1fr}.side-card{position:static}.footer-grid{grid-template-columns:repeat(2,1fr)}.comparison{grid-template-columns:1fr 1fr}.section-head{grid-template-columns:1fr}.section-head .eyebrow{grid-column:auto}}
@media(max-width:768px){.container{width:min(100% - 28px,var(--max))}.header-row{min-height:68px;gap:9px}.brand{min-width:auto}.brand small{display:none}.brand img{width:38px;height:38px}.search-open{font-size:0;width:40px;height:40px;padding:0}.search-open::before{content:"⌕";font-size:22px}.hero{padding-top:48px}.hero h1,.page-intro h1{font-size:41px}.hero-lead,.lead{font-size:17px}.section{padding:56px 0}.core-grid,.story-grid,.guide-strip,.check-grid,.comparison,.note-grid{grid-template-columns:1fr}.guide-strip{gap:0}.timeline>div{grid-template-columns:42px 1fr}.timeline>div p{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr}.search-dialog{padding:26px 20px}.search-input-row{flex-direction:column}.search-input-row button{min-height:45px}.feature-split.reverse{direction:ltr}}
@media(max-width:600px){.hero-actions{flex-direction:column;align-items:stretch}.btn{width:100%}.hero-points{display:block}.hero-points li{margin:8px 0}.core-card{padding:22px}.section-head h2,.feature-split h2,.editorial-grid h2,.faq-preview h2{font-size:31px}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.page-intro{padding-top:46px}.intro-visual{order:-1}.breadcrumbs ol{width:calc(100% - 28px)}.inline-links{flex-direction:column;gap:8px}}
@media(max-width:375px){.container{width:calc(100% - 22px)}.brand b{font-size:15px}.hero h1,.page-intro h1{font-size:34px}.hero{padding-top:36px}.section{padding:48px 0}.search-open,.menu-toggle{width:38px;padding:0;font-size:12px}.search-open{font-size:0}}