:root{
    --brand:#B93A4A;
    --brand-soft:#D9828D;
    --ink:#332D2F;
    --ink-strong:#2B2528;
    --muted:#756B6E;
    --paper:#FFF9F7;
    --paper-soft:#F6ECEB;
    --accent:#E45B4F;
    --line:#E7D7D6;
    --white:#FFFFFF;
    --shadow:0 18px 44px rgba(76,45,50,.10);
    --radius-lg:28px;
    --radius-md:18px;
    --radius-sm:12px;
    --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    color:var(--ink);
    background:var(--paper);
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    line-height:1.72;
    text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#922E3B}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(228,91,79,.34);outline-offset:3px}
::selection{background:#F2C7CB;color:var(--ink-strong)}

.skip-link{
    position:fixed;
    left:16px;
    top:10px;
    z-index:1000;
    transform:translateY(-150%);
    background:var(--ink-strong);
    color:#fff;
    padding:10px 14px;
    border-radius:10px;
}
.skip-link:focus{transform:translateY(0)}

.site-header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(255,249,247,.94);
    border-bottom:1px solid rgba(185,58,74,.12);
    backdrop-filter:saturate(130%) blur(14px);
}
.header-shell{
    width:min(var(--max),calc(100% - 40px));
    margin:0 auto;
    min-height:76px;
    display:flex;
    align-items:center;
    gap:28px;
}
.brand{
    display:flex;
    align-items:center;
    gap:10px;
    color:var(--ink-strong);
    text-decoration:none;
    font-size:18px;
    font-weight:800;
    white-space:nowrap;
}
.brand img{width:116px;max-height:42px;object-fit:contain}
.primary-nav{display:flex;align-items:center;gap:3px;margin-left:auto}
.primary-nav a{
    color:var(--ink);
    text-decoration:none;
    font-size:14px;
    font-weight:650;
    padding:10px 12px;
    border-radius:999px;
}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--paper-soft);color:var(--brand)}
.search-open,.menu-toggle{
    border:1px solid var(--line);
    color:var(--ink-strong);
    background:var(--white);
    border-radius:999px;
    padding:9px 14px;
    font-weight:700;
}
.search-open:hover,.menu-toggle:hover{border-color:var(--brand-soft);color:var(--brand)}
.menu-toggle{display:none}

.breadcrumbs{
    width:min(var(--max),calc(100% - 40px));
    margin:20px auto 0;
    font-size:13px;
    color:var(--muted);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.breadcrumbs li+li::before{content:"/";margin-right:8px;color:#B8A9AC}
.breadcrumbs a{color:var(--muted);text-decoration:none}

.search-modal[hidden]{display:none!important}
.search-modal{position:fixed;inset:0;z-index:120;display:grid;place-items:start center;padding:10vh 20px 30px}
.search-backdrop{position:absolute;inset:0;background:rgba(43,37,40,.54)}
.search-dialog{
    position:relative;
    width:min(680px,100%);
    background:var(--paper);
    border-radius:24px;
    box-shadow:0 30px 90px rgba(30,20,23,.28);
    padding:34px;
}
.search-dialog h2{margin:.2rem 0 .5rem;font-size:clamp(26px,4vw,38px);line-height:1.18}
.search-close{position:absolute;right:18px;top:18px;border:0;background:var(--paper-soft);border-radius:999px;padding:8px 12px;color:var(--ink)}
.search-form label{display:block;font-weight:750;margin:18px 0 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;color:var(--ink)}
.search-row button,.button{
    display:inline-flex;align-items:center;justify-content:center;
    border:0;border-radius:12px;padding:12px 18px;
    background:var(--brand);color:#fff;text-decoration:none;font-weight:800;
}
.search-row button:hover,.button:hover{background:#9D3140;color:#fff}
.button.secondary{background:transparent;color:var(--brand);border:1px solid var(--brand-soft)}
.button.secondary:hover{background:var(--paper-soft)}
.button.ghost{background:var(--paper-soft);color:var(--ink-strong)}
.modal-open{overflow:hidden}

main{display:block}
.page-shell{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.section{padding:74px 0}
.section.compact{padding:48px 0}
.section.soft{background:var(--paper-soft)}
.section.dark{background:var(--ink-strong);color:#FDF6F5}
.section.dark a{color:#FFD8DC}
.eyebrow{
    margin:0 0 10px;
    color:var(--brand);
    font-size:13px;
    font-weight:850;
    letter-spacing:.08em;
    text-transform:uppercase;
}
.section.dark .eyebrow{color:#F3A6AE}
.display-title,.page-title{
    margin:0;
    color:var(--ink-strong);
    font-size:clamp(38px,6vw,72px);
    line-height:1.06;
    letter-spacing:-.03em;
}
.page-title{font-size:clamp(34px,5vw,60px)}
.lead{
    max-width:760px;
    margin:22px 0 0;
    color:var(--muted);
    font-size:clamp(17px,2.1vw,21px);
}
.section.dark .display-title,.section.dark .page-title{color:#FFF9F7}
.section.dark .lead{color:#D8CBCD}
.section-title{margin:0;color:var(--ink-strong);font-size:clamp(28px,4vw,45px);line-height:1.16;letter-spacing:-.02em}
.section-copy{max-width:760px;margin:14px 0 0;color:var(--muted);font-size:17px}
.section.dark .section-title{color:#fff}
.section.dark .section-copy{color:#D8CBCD}

.hero{padding:70px 0 80px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(360px,.94fr);gap:54px;align-items:center}
.hero-copy{position:relative;z-index:1}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-note{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:14px}
.hero-note span{padding:7px 10px;background:var(--paper-soft);border-radius:999px}
.hero-media{position:relative}
.hero-media::before{content:"";position:absolute;inset:-32px -26px 32px 42px;background:var(--paper-soft);border-radius:48px;z-index:-1}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:32px;box-shadow:var(--shadow)}

.topic-strip{padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#FFFDFC}
.topic-strip .page-shell{display:flex;align-items:center;gap:18px;overflow:auto}
.topic-strip strong{white-space:nowrap;color:var(--ink-strong)}
.topic-strip a{white-space:nowrap;text-decoration:none;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink)}
.topic-strip a:hover{border-color:var(--brand-soft);color:var(--brand)}

.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:34px}
.card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    padding:26px;
    box-shadow:0 10px 28px rgba(75,45,50,.045);
}
.card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;margin-bottom:20px;background:var(--paper-soft)}
.card h3{margin:0 0 9px;color:var(--ink-strong);font-size:22px;line-height:1.3}
.card p{margin:0;color:var(--muted)}
.card .text-link{display:inline-block;margin-top:18px;font-weight:800;text-decoration:none}
.card .meta{font-size:13px;color:var(--brand);font-weight:750;margin-bottom:8px}

.editorial-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:54px;align-items:start}
.editorial-grid.reverse{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}
.sticky-copy{position:sticky;top:112px}
.editorial-list{display:grid;gap:18px}
.editorial-item{padding:24px 0;border-top:1px solid var(--line)}
.editorial-item:first-child{border-top:0;padding-top:0}
.editorial-item h3{margin:0 0 8px;font-size:22px;color:var(--ink-strong)}
.editorial-item p{margin:0;color:var(--muted)}
.editorial-item a{display:inline-block;margin-top:10px;font-weight:800;text-decoration:none}

.split-feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center}
.split-feature img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);background:#EEDDDC}
.prose{max-width:820px}
.prose h2{margin:2.2em 0 .6em;color:var(--ink-strong);font-size:30px;line-height:1.25}
.prose h2:first-child{margin-top:0}
.prose h3{margin:1.6em 0 .45em;color:var(--ink-strong);font-size:22px}
.prose p{margin:0 0 1.1em;color:var(--ink)}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.45em 0}
.prose .callout{margin:28px 0;padding:22px 24px;background:var(--paper-soft);border-left:4px solid var(--brand);border-radius:0 14px 14px 0}
.prose .callout strong{color:var(--ink-strong)}

.page-hero{padding:56px 0 42px}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:48px;align-items:center}
.page-hero img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:24px;background:var(--paper-soft)}
.page-hero .summary{max-width:760px;margin:20px 0 0;font-size:19px;color:var(--muted)}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.meta-pill{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;background:var(--paper-soft);font-size:13px;color:var(--muted)}

.info-band{padding:26px;border:1px solid var(--line);border-radius:20px;background:#fff;display:grid;grid-template-columns:180px 1fr;gap:24px;align-items:start}
.info-band strong{color:var(--ink-strong);font-size:19px}
.info-band p{margin:0;color:var(--muted)}
.domain-box{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:26px;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:#fff}
.domain-box code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:17px;color:var(--ink-strong);background:var(--paper-soft);padding:8px 10px;border-radius:10px}
.domain-box button{border:1px solid var(--brand-soft);background:#fff;color:var(--brand);border-radius:10px;padding:9px 12px;font-weight:800}

.steps{counter-reset:step;display:grid;gap:18px;margin-top:30px}
.step{position:relative;padding:24px 24px 24px 76px;border:1px solid var(--line);border-radius:16px;background:#fff}
.step::before{counter-increment:step;content:counter(step);position:absolute;left:24px;top:24px;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--brand);color:#fff;font-weight:850}
.step h3{margin:1px 0 6px;color:var(--ink-strong);font-size:20px}
.step p{margin:0;color:var(--muted)}

.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px}
.check-item{padding:22px;border:1px solid var(--line);border-radius:16px;background:#fff}
.check-item h3{margin:0 0 7px;font-size:19px;color:var(--ink-strong)}
.check-item p{margin:0;color:var(--muted)}

.route-list{display:grid;gap:22px;margin-top:34px}
.route{display:grid;grid-template-columns:minmax(220px,.65fr) minmax(0,1.35fr);gap:28px;padding:26px;border-top:1px solid var(--line)}
.route:first-child{border-top:0}
.route h3{margin:0;color:var(--ink-strong);font-size:24px}
.route p{margin:8px 0 0;color:var(--muted)}
.route ol{margin:0;padding-left:1.2em}
.route li{margin:.45em 0}
.route a{display:inline-block;margin-top:12px;font-weight:800;text-decoration:none}

.faq-list{display:grid;gap:12px;margin-top:34px}
.faq-list details{border:1px solid var(--line);border-radius:14px;background:#fff;padding:0 20px}
.faq-list summary{cursor:pointer;list-style:none;padding:18px 34px 18px 0;font-weight:800;color:var(--ink-strong);position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:2px;top:15px;font-size:24px;color:var(--brand)}
.faq-list details[open] summary::after{content:"−"}
.faq-list details p{margin:0 0 20px;color:var(--muted);max-width:880px}

.search-results{display:grid;gap:16px;margin-top:28px}
.search-result{padding:22px;border:1px solid var(--line);border-radius:16px;background:#fff}
.search-result h2{margin:0 0 7px;font-size:22px}
.search-result h2 a{text-decoration:none}
.search-result p{margin:0;color:var(--muted)}
.search-result .result-url{font-size:13px;color:#9A7C82;margin-top:10px;word-break:break-all}
.empty-state{padding:34px;border:1px dashed var(--brand-soft);border-radius:18px;background:#fff}
.empty-state h2{margin-top:0;color:var(--ink-strong)}

.related{margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}
.related h2{font-size:26px;margin:0 0 18px;color:var(--ink-strong)}
.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.related-link{display:block;padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff;text-decoration:none;color:var(--ink)}
.related-link strong{display:block;color:var(--ink-strong);margin-bottom:5px}
.related-link span{color:var(--muted);font-size:14px}
.related-link:hover{border-color:var(--brand-soft)}

.site-footer{margin-top:70px;background:var(--ink-strong);color:#F4E9E9}
.footer-shell{width:min(var(--max),calc(100% - 40px));margin:0 auto;padding:66px 0 44px;display:grid;grid-template-columns:.85fr 1.15fr;gap:70px}
.footer-intro h2{margin:0;color:#fff;font-size:32px}
.footer-intro p:last-child{color:#CDBFC2;max-width:480px}
.footer-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.footer-groups h3{margin:0 0 12px;color:#fff;font-size:15px}
.footer-groups ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-groups a{color:#D9CACD;text-decoration:none;font-size:14px}
.footer-groups a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);width:min(var(--max),calc(100% - 40px));margin:0 auto;padding:18px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:18px;color:#BFAEB2;font-size:13px}
.footer-bottom p{margin:0}
.footer-bottom a{color:#D9CACD}
.back-top{border:1px solid rgba(255,255,255,.18);background:transparent;color:#fff;border-radius:999px;padding:8px 11px}

.notice{padding:18px 20px;border-radius:14px;background:#FFF1EF;border:1px solid #F0CAC6;color:#68444A}
.notice strong{color:#7C2F3C}
.list-clean{list-style:none;padding:0;margin:0}
.list-clean li{padding:14px 0;border-bottom:1px solid var(--line)}
.list-clean li:last-child{border-bottom:0}
.inline-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.inline-links a{padding:8px 11px;border-radius:999px;background:var(--paper-soft);text-decoration:none;color:var(--ink)}
.inline-links a:hover{color:var(--brand)}
.kicker-number{font-size:56px;font-weight:900;line-height:1;color:#E6B0B6;letter-spacing:-.04em}

[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
[data-reveal].is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    [data-reveal]{opacity:1;transform:none;transition:none}
}

@media (max-width:1080px){
    .header-shell{gap:14px}
    .primary-nav a{padding:9px 9px;font-size:13px}
    .brand span{display:none}
    .hero-grid,.page-hero-grid{grid-template-columns:1fr 420px;gap:34px}
    .footer-shell{gap:40px}
}

@media (max-width:900px){
    .header-shell{min-height:68px}
    .menu-toggle{display:inline-flex;margin-left:auto}
    .primary-nav{
        position:absolute;left:20px;right:20px;top:62px;
        display:none;flex-direction:column;align-items:stretch;gap:4px;
        padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)
    }
    .primary-nav.is-open{display:flex}
    .primary-nav a{padding:10px 12px}
    .search-open{margin-left:0}
    .hero-grid,.page-hero-grid,.split-feature,.editorial-grid,.editorial-grid.reverse{grid-template-columns:1fr}
    .hero-media{max-width:640px}
    .hero-media::before{inset:-20px -12px 20px 26px}
    .sticky-copy{position:static}
    .cards{grid-template-columns:1fr 1fr}
    .route{grid-template-columns:1fr;padding-left:0;padding-right:0}
    .footer-shell{grid-template-columns:1fr}
}

@media (max-width:700px){
    .header-shell,.page-shell,.breadcrumbs,.footer-shell,.footer-bottom{width:min(100% - 28px,var(--max))}
    .search-open{font-size:0;width:40px;height:40px;padding:0;position:relative}
    .search-open::before{content:"⌕";font-size:23px;line-height:1}
    .section{padding:54px 0}
    .hero{padding:46px 0 58px}
    .page-hero{padding:40px 0 30px}
    .cards,.check-grid,.related-links{grid-template-columns:1fr}
    .info-band{grid-template-columns:1fr;gap:8px}
    .footer-groups{grid-template-columns:1fr 1fr}
    .search-row{flex-direction:column}
    .search-row button{width:100%}
    .search-dialog{padding:28px 22px}
    .display-title,.page-title{font-size:clamp(36px,12vw,54px)}
}

@media (max-width:480px){
    .brand img{width:98px}
    .menu-toggle{padding:8px 11px}
    .hero-actions{align-items:stretch}
    .hero-actions .button{width:100%}
    .footer-groups{grid-template-columns:1fr}
    .footer-bottom{align-items:flex-start;flex-direction:column}
    .step{padding:68px 18px 20px}
    .step::before{left:18px;top:20px}
    .domain-box{align-items:stretch;flex-direction:column}
    .domain-box code{width:100%;overflow:auto}
    .domain-box button{width:100%}
}