:root{
    --brand:#B93A4A;
    --brand-soft:#D9828D;
    --ink:#2B2528;
    --text:#332D2F;
    --muted:#756B6E;
    --paper:#FFF9F7;
    --paper-2:#F6ECEB;
    --accent:#E45B4F;
    --line:#E8DAD8;
    --white:#fff;
    --shadow:0 16px 44px rgba(75,38,44,.10);
    --radius:22px;
    --radius-sm:14px;
    --shell:min(1180px,calc(100% - 40px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,textarea{font:inherit}
button{cursor:pointer}
.shell{width:var(--shell);margin-inline:auto}
.skip-link{position:fixed;left:12px;top:-70px;z-index:9999;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;transition:.2s}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,249,247,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(185,58,74,.10)}
.header-inner{min-height:76px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;min-width:max-content}
.brand img{width:44px;height:44px;object-fit:contain;border-radius:12px}
.brand-copy{display:flex;flex-direction:column;line-height:1.15}
.brand-copy strong{font-size:20px;letter-spacing:.05em;color:var(--ink)}
.brand-copy small{font-size:11px;margin-top:5px;color:var(--muted)}
.primary-nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.primary-nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:#51484b;white-space:nowrap}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--paper-2);color:var(--brand)}
.search-trigger{border:0;border-radius:999px;padding:10px 17px;background:var(--ink);color:#fff}
.menu-toggle{display:none;border:0;background:transparent;padding:8px;width:44px;height:44px;position:relative}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px auto}
.menu-toggle em{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.hero{padding:74px 0 58px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);align-items:center;gap:56px}
.eyebrow{margin:0 0 12px;font-size:13px;line-height:1.4;font-weight:800;letter-spacing:.12em;color:var(--brand);text-transform:uppercase}
h1,h2,h3{color:var(--ink);line-height:1.22;margin-top:0}
h1{font-size:clamp(40px,6vw,72px);letter-spacing:-.035em;margin-bottom:22px}
h2{font-size:clamp(27px,3.5vw,42px);letter-spacing:-.025em;margin-bottom:15px}
h3{font-size:21px;margin-bottom:10px}
p{margin:0 0 16px}
.lead{font-size:18px;color:#574d50;max-width:760px}
.hero-copy .lead{font-size:20px;max-width:680px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:12px;font-weight:700;border:1px solid transparent}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 26px rgba(185,58,74,.20)}
.btn-primary:hover{background:#a93241}
.btn-ghost{border-color:var(--line);background:rgba(255,255,255,.58);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-soft);color:var(--brand)}
.hero-visual{position:relative}
.hero-visual::before{content:"";position:absolute;inset:-22px 34px 22px -22px;background:var(--paper-2);border-radius:38px;z-index:-1}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:30px;box-shadow:var(--shadow)}
.hero-caption{position:absolute;left:-24px;bottom:24px;max-width:270px;background:rgba(43,37,40,.92);color:#fff;padding:17px 19px;border-radius:16px;box-shadow:var(--shadow)}
.hero-caption strong{display:block;margin-bottom:4px}
.hero-caption span{font-size:13px;color:#eadfe1}
.section{padding:72px 0}
.section.alt{background:var(--paper-2)}
.section.dark{background:var(--ink);color:#f7efef}
.section.dark h2,.section.dark h3{color:#fff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head>div{max-width:760px}
.section-head p{color:var(--muted);margin:0}
.section.dark .section-head p{color:#c9bfc1}
.text-link{font-weight:700;color:var(--brand);white-space:nowrap}
.text-link::after{content:" →"}
.intent-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.intent-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;min-height:100%}
.intent-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#efe4e3}
.intent-card-body{padding:25px;display:flex;flex-direction:column;flex:1}
.intent-card .tag{display:inline-flex;align-self:flex-start;padding:5px 9px;border-radius:999px;background:var(--paper-2);color:var(--brand);font-size:12px;font-weight:800;margin-bottom:12px}
.intent-card p{color:var(--muted)}
.intent-card .text-link{margin-top:auto;padding-top:8px}
.split{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:58px;align-items:center}
.split.reverse{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}
.split-media img{width:100%;border-radius:28px;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow);background:#eadfdf}
.check-list{display:grid;gap:16px;margin-top:26px}
.check-item{display:grid;grid-template-columns:42px 1fr;gap:15px;align-items:start}
.check-number{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--brand);color:#fff;font-weight:800}
.check-item p{color:var(--muted);margin-bottom:0}
.editorial-list{border-top:1px solid var(--line)}
.editorial-item{display:grid;grid-template-columns:80px 1fr auto;gap:22px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}
.editorial-index{font-size:30px;font-weight:800;color:var(--brand-soft);line-height:1}
.editorial-item p{color:var(--muted);margin:0}
.editorial-item a:last-child{font-weight:700;color:var(--brand);white-space:nowrap}
.topic-band{display:grid;grid-template-columns:1.1fr .9fr;gap:0;border-radius:30px;overflow:hidden;background:var(--brand);color:#fff}
.topic-band .copy{padding:48px}
.topic-band h2{color:#fff}
.topic-band p{color:#f4dfe2}
.topic-band img{width:100%;height:100%;min-height:320px;object-fit:cover}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{padding:23px;border-top:3px solid var(--brand);background:#fff;border-radius:0 0 18px 18px;box-shadow:0 8px 24px rgba(78,42,48,.06)}
.step strong{display:block;font-size:15px;color:var(--brand);margin-bottom:7px}
.step p{color:var(--muted);font-size:14px;margin:0}
.guide-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.guide-card{padding:26px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.7)}
.guide-card ul{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.guide-card li a{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line);font-weight:650}
.guide-card li a::after{content:"›";color:var(--brand)}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;text-align:left;border:0;background:#fff;padding:20px 22px;font-weight:800;color:var(--ink)}
.faq-question span:last-child{font-size:22px;color:var(--brand);transition:transform .2s}
.faq-question[aria-expanded="true"] span:last-child{transform:rotate(45deg)}
.faq-answer{padding:0 22px 20px;color:var(--muted)}
.faq-answer[hidden]{display:none}
.page-hero{padding:58px 0 44px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(246,236,235,.72),rgba(255,249,247,0))}
.page-hero h1{font-size:clamp(36px,5vw,58px);max-width:920px}
.page-hero .lead{max-width:860px}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin-bottom:20px;color:var(--muted);font-size:13px}
.breadcrumbs a{color:var(--brand)}
.breadcrumbs span[aria-hidden="true"]{opacity:.55}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:50px;align-items:start}
.prose{font-size:17px}
.prose h2{margin-top:44px;font-size:31px}
.prose h3{margin-top:30px}
.prose p{margin-bottom:18px}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 22px}
.prose li{margin:8px 0}
.prose .callout{margin:28px 0;padding:22px 24px;border-left:4px solid var(--brand);background:var(--paper-2);border-radius:0 14px 14px 0}
.side-card{position:sticky;top:100px;border:1px solid var(--line);background:#fff;border-radius:20px;padding:22px}
.side-card h2{font-size:20px;margin-bottom:12px}
.side-card a{display:block;padding:10px 0;border-top:1px solid var(--line);font-size:14px;color:#554a4d}
.side-card a:hover{color:var(--brand)}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.meta-pill{font-size:12px;padding:7px 10px;border-radius:999px;background:var(--paper-2);color:var(--muted)}
.article-cover{margin:30px 0 36px}
.article-cover img{width:100%;max-height:480px;object-fit:cover;border-radius:24px;background:#efe4e3}
.article-list{display:grid;gap:16px}
.article-row{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:20px;border:1px solid var(--line);background:#fff;border-radius:20px}
.article-row img{width:100%;height:132px;object-fit:cover;border-radius:14px;background:#efe4e3}
.article-row p{color:var(--muted);margin-bottom:9px}
.article-row .label{font-size:12px;font-weight:800;color:var(--brand);margin-bottom:7px}
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.info-card{padding:25px;border-radius:18px;background:#fff;border:1px solid var(--line)}
.info-card p{color:var(--muted);margin-bottom:0}
.notice{padding:20px 22px;border:1px solid #e9c8c4;background:#fff4f1;border-radius:16px}
.notice strong{display:block;margin-bottom:5px;color:var(--ink)}
.search-page-form{display:flex;gap:10px;max-width:760px;margin:28px 0}
.search-page-form input{flex:1;min-width:0;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
.search-page-form button{border:0;border-radius:12px;background:var(--brand);color:#fff;padding:0 22px;font-weight:800}
.search-results{display:grid;gap:14px;margin-top:28px}
.search-result{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff}
.search-result .type{font-size:12px;color:var(--brand);font-weight:800}
.search-result h2{font-size:23px;margin:6px 0 8px}
.search-result p{color:var(--muted);margin:0}
.site-footer{background:#251f22;color:#d8cdcf;padding:54px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:38px}
.site-footer h2{font-size:15px;color:#fff;margin-bottom:14px}
.site-footer a{display:block;color:#d7ccce;font-size:14px;padding:5px 0}
.site-footer a:hover{color:#fff}
.footer-brand{font-size:22px!important;font-weight:800;color:#fff!important;padding:0 0 12px!important}
.footer-about p{max-width:390px;color:#a99da0;font-size:14px}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);display:flex;justify-content:space-between;gap:20px;color:#95898c;font-size:12px}
.search-modal[hidden]{display:none!important}
.search-modal{position:fixed;inset:0;z-index:200;display:grid;place-items:start center;padding-top:min(16vh,140px)}
.search-backdrop{position:absolute;inset:0;background:rgba(31,24,27,.65);backdrop-filter:blur(5px)}
.search-dialog{position:relative;width:min(680px,calc(100% - 34px));background:var(--paper);border-radius:24px;padding:34px;box-shadow:0 28px 90px rgba(0,0,0,.28)}
.search-dialog h2{font-size:31px}
.search-close{position:absolute;right:16px;top:14px;border:0;background:transparent;font-size:30px;line-height:1;color:var(--muted)}
.search-form label{display:block;font-size:13px;font-weight:800;margin-bottom:8px}
.search-row{display:flex;gap:10px}
.search-row input{flex:1;min-width:0;border:1px solid var(--line);background:#fff;border-radius:12px;padding:13px 14px}
.search-row button{border:0;background:var(--brand);color:#fff;border-radius:12px;padding:0 18px;font-weight:800}
.search-note{font-size:12px;color:var(--muted);margin:12px 0 0}
.back-top{position:fixed;right:22px;bottom:22px;z-index:50;width:46px;height:46px;border:0;border-radius:50%;background:var(--ink);color:#fff;box-shadow:var(--shadow);opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}
.back-top.is-visible{opacity:1;transform:none;pointer-events:auto}
.error-wrap{min-height:62vh;display:grid;place-items:center;text-align:center;padding:80px 20px}
.error-code{font-size:clamp(70px,14vw,160px);font-weight:900;line-height:.8;color:var(--paper-2);text-shadow:0 0 0 var(--brand)}
.error-wrap h1{font-size:40px;margin-top:22px}
.error-wrap p{max-width:620px;color:var(--muted)}
.cluster-nav{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 8px}
.cluster-nav a{padding:9px 13px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px}
.cluster-nav a:hover{border-color:var(--brand-soft);color:var(--brand)}
@media (max-width:1024px){
    :root{--shell:min(100% - 32px,940px)}
    .header-inner{gap:12px}
    .primary-nav a{padding:9px 8px;font-size:13px}
    .hero-grid,.split,.split.reverse{gap:36px}
    .steps{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}
}
@media (max-width:900px){
    .site-header{position:relative}
    .header-inner{min-height:70px;flex-wrap:wrap}
    .menu-toggle{display:block;margin-left:auto}
    .search-trigger{padding:9px 14px}
    .primary-nav{display:none;order:4;width:100%;margin:0;padding:8px 0 16px;border-top:1px solid var(--line);grid-template-columns:repeat(2,1fr);gap:6px}
    .primary-nav.is-open{display:grid}
    .primary-nav a{padding:11px 12px;background:#fff;border:1px solid var(--line)}
    .hero-grid,.split,.split.reverse,.topic-band{grid-template-columns:1fr}
    .hero-visual{max-width:720px;margin-inline:auto}
    .hero-caption{left:18px}
    .intent-grid,.guide-cards{grid-template-columns:1fr 1fr}
    .content-grid{grid-template-columns:1fr}
    .side-card{position:static}
    .topic-band img{min-height:260px}
}
@media (max-width:768px){
    .hero{padding:54px 0 42px}
    h1{font-size:clamp(36px,11vw,56px)}
    .section{padding:56px 0}
    .section-head{align-items:start;flex-direction:column;gap:8px}
    .intent-grid,.guide-cards,.info-grid{grid-template-columns:1fr}
    .editorial-item{grid-template-columns:52px 1fr}.editorial-item>a:last-child{grid-column:2}
    .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:auto}.footer-about{grid-column:1/-1}
    .article-row{grid-template-columns:140px 1fr}
}
@media (max-width:600px){
    :root{--shell:calc(100% - 28px)}
    .brand-copy small{display:none}
    .brand img{width:40px;height:40px}
    .search-trigger{font-size:13px;padding:8px 12px}
    .hero-actions{display:grid;grid-template-columns:1fr}
    .btn{width:100%}
    .hero-visual::before{inset:-14px 18px 14px -10px}
    .hero-caption{position:static;margin:12px 0 0;max-width:none}
    .steps{grid-template-columns:1fr}
    .topic-band .copy{padding:30px 24px}
    .footer-grid{grid-template-columns:1fr}.footer-about{grid-column:auto}.footer-bottom{flex-direction:column}
    .article-row{grid-template-columns:1fr}.article-row img{height:190px}
    .search-row,.search-page-form{flex-direction:column}.search-row button,.search-page-form button{min-height:48px}
    .search-dialog{padding:28px 22px}.search-dialog h2{font-size:26px}
}
@media (max-width:375px){
    :root{--shell:calc(100% - 22px)}
    .header-inner{gap:8px}
    .brand-copy strong{font-size:18px}
    .menu-toggle{width:40px}
    .search-trigger{padding:7px 9px}
    .page-hero h1{font-size:34px}
    .breadcrumbs{font-size:12px}
}
