:root{
    --brand:#B93A4A;
    --brand-soft:#D9828D;
    --ink:#2B2528;
    --text:#332D2F;
    --muted:#756B6E;
    --paper:#FFF9F7;
    --paper-soft:#F6ECEB;
    --accent:#E45B4F;
    --line:#E8D9D8;
    --white:#FFFFFF;
    --shadow:0 18px 45px rgba(70,39,44,.09);
    --radius-lg:28px;
    --radius-md:18px;
    --radius-sm:12px;
    --shell:min(1180px,calc(100% - 40px));
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    min-width:320px;
    background:var(--paper);
    color:var(--text);
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    font-size:16px;
    line-height:1.75;
    text-rendering:optimizeLegibility;
}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand)}
img{max-width:100%;height:auto;display:block}
button,input{font:inherit}
button{cursor:pointer}
.skip-link{
    position:fixed;
    z-index:1000;
    top:12px;
    left:12px;
    padding:10px 16px;
    background:var(--ink);
    color:#fff;
    border-radius:8px;
    transform:translateY(-160%);
}
.skip-link:focus{transform:translateY(0)}
.site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(255,249,247,.96);
    border-bottom:1px solid rgba(185,58,74,.08);
    backdrop-filter:blur(14px);
}
.header-shell{
    width:var(--shell);
    min-height:78px;
    margin:0 auto;
    display:grid;
    grid-template-columns:auto 1fr auto;
    gap:24px;
    align-items:center;
}
.brand-lockup,.footer-brand{
    display:inline-flex;
    align-items:center;
    gap:12px;
}
.brand-lockup img,.footer-brand img{
    border-radius:14px;
    object-fit:cover;
    background:var(--paper-soft);
}
.brand-copy{display:flex;flex-direction:column;line-height:1.15}
.brand-copy strong{font-size:18px;letter-spacing:.04em;color:var(--ink)}
.brand-copy small{margin-top:5px;color:var(--muted);font-size:12px}
.primary-nav{
    display:flex;
    justify-content:center;
    gap:4px;
    flex-wrap:wrap;
}
.primary-nav a{
    padding:9px 11px;
    border-radius:999px;
    color:#51484B;
    font-size:14px;
    transition:background .2s ease,color .2s ease;
}
.primary-nav a:hover,.primary-nav a.active{
    background:var(--paper-soft);
    color:var(--brand);
}
.search-open,.menu-toggle{
    border:1px solid var(--line);
    background:var(--white);
    color:var(--ink);
    border-radius:999px;
    padding:9px 14px;
}
.search-open:hover,.menu-toggle:hover{border-color:var(--brand-soft);color:var(--brand)}
.menu-toggle{display:none}
main{overflow:hidden}
.shell{width:var(--shell);margin-inline:auto}
.page-hero,.home-hero{padding:72px 0 54px}
.home-hero{padding-top:84px}
.hero-grid{
    width:var(--shell);
    margin:0 auto;
    display:grid;
    grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
    gap:54px;
    align-items:center;
}
.hero-copy{max-width:680px}
.eyebrow{
    margin:0 0 12px;
    color:var(--brand);
    font-size:13px;
    font-weight:800;
    letter-spacing:.12em;
    text-transform:uppercase;
}
.hero-copy h1,.page-hero h1{
    margin:0;
    color:var(--ink);
    font-size:clamp(40px,6vw,68px);
    line-height:1.08;
    letter-spacing:-.045em;
}
.page-hero h1{font-size:clamp(34px,5vw,56px)}
.hero-copy .lead,.page-hero .lead{
    margin:24px 0 0;
    max-width:720px;
    color:#5E5457;
    font-size:18px;
    line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.button{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:48px;
    padding:11px 20px;
    border-radius:999px;
    border:1px solid transparent;
    font-weight:750;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.button:hover{transform:translateY(-2px)}
.button-primary{background:var(--accent);color:#fff;box-shadow:0 12px 26px rgba(228,91,79,.2)}
.button-primary:hover{background:#d94d42;color:#fff}
.button-secondary{border-color:var(--line);background:#fff;color:var(--ink)}
.button-secondary:hover{border-color:var(--brand-soft);color:var(--brand)}
.hero-media{
    position:relative;
    min-height:440px;
    border-radius:34px;
    overflow:hidden;
    box-shadow:var(--shadow);
    background:var(--paper-soft);
}
.hero-media img{width:100%;height:100%;min-height:440px;object-fit:cover}
.hero-media::after{
    content:"";
    position:absolute;
    inset:auto 24px 24px 24px;
    height:88px;
    border-radius:20px;
    background:rgba(43,37,40,.84);
}
.hero-note{
    position:absolute;
    z-index:2;
    left:48px;
    right:48px;
    bottom:47px;
    color:#fff;
    font-size:14px;
    line-height:1.55;
}
.hero-note strong{display:block;font-size:17px;margin-bottom:4px}
.section{padding:76px 0}
.section-compact{padding:54px 0}
.section-soft{background:var(--paper-soft)}
.section-dark{background:var(--ink);color:#fdf6f4}
.section-heading{max-width:760px;margin-bottom:34px}
.section-heading h2{
    margin:0;
    color:var(--ink);
    font-size:clamp(28px,4vw,44px);
    line-height:1.18;
    letter-spacing:-.03em;
}
.section-heading p:not(.eyebrow){margin:16px 0 0;color:var(--muted);font-size:17px}
.section-dark .section-heading h2,.section-dark h2,.section-dark h3{color:#fff}
.section-dark .section-heading p:not(.eyebrow),.section-dark p{color:#d7cbce}
.section-dark .eyebrow{color:#f0a0aa}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.link-card,.info-card{
    position:relative;
    padding:26px;
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    background:rgba(255,255,255,.76);
}
.link-card{transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.link-card:hover{transform:translateY(-4px);border-color:#dcb7b9;box-shadow:0 16px 38px rgba(67,41,45,.08)}
.card-kicker{
    margin:0 0 8px;
    color:var(--brand);
    font-size:12px;
    font-weight:800;
    letter-spacing:.1em;
}
.link-card h3,.info-card h3{margin:0;color:var(--ink);font-size:21px;line-height:1.35}
.link-card p,.info-card p{margin:12px 0 0;color:var(--muted)}
.text-link{
    display:inline-flex;
    margin-top:18px;
    color:var(--brand);
    font-weight:750;
}
.text-link:hover span{transform:translateX(3px)}
.text-link span{transition:transform .2s ease}
.feature-split{
    display:grid;
    grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
    gap:48px;
    align-items:center;
}
.feature-split.reverse{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
.feature-split.reverse .feature-media{order:2}
.feature-media{border-radius:var(--radius-lg);overflow:hidden;background:#eadedc;box-shadow:var(--shadow)}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.feature-copy h2{margin:0;color:var(--ink);font-size:clamp(28px,4vw,42px);line-height:1.2}
.feature-copy p{color:var(--muted);font-size:17px}
.check-list,.plain-list{margin:24px 0 0;padding:0;list-style:none}
.check-list li,.plain-list li{position:relative;padding-left:30px;margin:12px 0}
.check-list li::before{
    content:"✓";
    position:absolute;
    left:0;
    top:0;
    color:var(--brand);
    font-weight:900;
}
.plain-list li::before{
    content:"—";
    position:absolute;
    left:0;
    color:var(--brand-soft);
}
.definition-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:0}
.definition-list>div{padding:22px;border-radius:16px;background:#fff;border:1px solid var(--line)}
.definition-list dt{font-weight:800;color:var(--ink);font-size:17px}
.definition-list dd{margin:8px 0 0;color:var(--muted)}
.step-list{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.step-list li{display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff}
.step-number{width:48px;height:48px;border-radius:15px;background:var(--paper-soft);color:var(--brand);display:grid;place-items:center;font-weight:900}
.step-list h3{margin:0;color:var(--ink);font-size:20px}
.step-list p{margin:7px 0 0;color:var(--muted)}
.notice{margin:28px 0;padding:20px 22px;border-left:4px solid var(--brand-soft);border-radius:0 14px 14px 0;background:#fff}
.notice strong{display:block;color:var(--ink);font-size:17px}
.notice p{margin:6px 0 0;color:var(--muted)}
.notice-warning{border-left-color:var(--accent);background:#fff5f2}
.breadcrumbs{width:var(--shell);margin:26px auto 0;color:var(--muted);font-size:14px}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#b1a3a6}
.breadcrumbs a:hover{text-decoration:underline}
.page-hero .shell{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.72fr);gap:50px;align-items:center}
.page-hero-media{overflow:hidden;border-radius:26px;background:var(--paper-soft);box-shadow:var(--shadow)}
.page-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.prose{max-width:820px}
.prose h2{margin:44px 0 14px;color:var(--ink);font-size:30px;line-height:1.28}
.prose h3{margin:30px 0 10px;color:var(--ink);font-size:22px}
.prose p{margin:14px 0;color:#5d5356;font-size:17px}
.prose a{color:var(--brand);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.prose-wide{max-width:none}
.editorial-stack{display:grid;gap:0;border-top:1px solid var(--line)}
.editorial-row{display:grid;grid-template-columns:minmax(180px,.36fr) minmax(0,1fr);gap:34px;padding:28px 0;border-bottom:1px solid var(--line)}
.editorial-row h3{margin:0;color:var(--ink);font-size:20px}
.editorial-row p{margin:0;color:var(--muted)}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);background:#fff;border-radius:16px;overflow:hidden}
.faq-item h3{margin:0}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px;border:0;background:transparent;color:var(--ink);text-align:left;font-weight:800}
.faq-question:hover{color:var(--brand)}
.faq-icon{font-size:24px;line-height:1;color:var(--brand);transition:transform .2s ease}
.faq-question[aria-expanded="true"] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 22px 20px}
.faq-answer[hidden]{display:none}
.faq-answer p{margin:0;color:var(--muted)}
.mini-index{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none}
.mini-index a{display:inline-flex;padding:9px 13px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#5f5558}
.mini-index a:hover{border-color:var(--brand-soft);color:var(--brand)}
.search-modal[hidden]{display:none!important}
.search-modal{position:fixed;z-index:200;inset:0;display:grid;place-items:start center;padding:10vh 20px 20px}
.search-backdrop{position:absolute;inset:0;background:rgba(43,37,40,.52)}
.search-dialog{position:relative;z-index:1;width:min(660px,100%);padding:34px;border-radius:24px;background:var(--paper);box-shadow:0 34px 90px rgba(43,37,40,.28)}
.search-dialog h2{margin:0;color:var(--ink);font-size:32px;line-height:1.2}
.search-dialog>p:not(.eyebrow){color:var(--muted)}
.search-close{position:absolute;right:18px;top:14px;width:40px;height:40px;border:0;background:transparent;color:var(--muted);font-size:30px;line-height:1}
.search-form label{display:block;margin-bottom:8px;font-weight:750;color:var(--ink)}
.search-field-row{display:grid;grid-template-columns:1fr auto;gap:10px}
.search-field-row input{min-width:0;border:1px solid var(--line);background:#fff;border-radius:12px;padding:13px 14px;color:var(--ink);outline:none}
.search-field-row input:focus{border-color:var(--brand-soft);box-shadow:0 0 0 3px rgba(217,130,141,.16)}
.search-field-row button{border:0;border-radius:12px;background:var(--accent);color:#fff;font-weight:800;padding:0 18px}
.search-results{display:grid;gap:14px;margin-top:28px}
.search-result{padding:22px;border:1px solid var(--line);border-radius:16px;background:#fff}
.search-result h2{margin:0;font-size:21px;color:var(--ink)}
.search-result p{margin:8px 0 0;color:var(--muted)}
.search-result a{color:var(--brand);font-weight:800}
.empty-state{padding:32px;border:1px dashed #d9c6c6;border-radius:18px;background:#fff;text-align:center}
.empty-state h2{margin:0;color:var(--ink)}
.empty-state p{color:var(--muted)}
.callout-band{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;padding:30px 34px;border-radius:24px;background:var(--brand);color:#fff}
.callout-band h2{margin:0;color:#fff;font-size:28px}
.callout-band p{margin:8px 0 0;color:#f9e7e9}
.callout-band .button{background:#fff;color:var(--brand)}
.number-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.number-strip article{padding:26px;background:#fff}
.number-strip strong{display:block;color:var(--brand);font-size:28px;line-height:1}
.number-strip span{display:block;margin-top:9px;color:var(--muted)}
.site-footer{background:#211d1f;color:#eee4e6;margin-top:70px}
.footer-shell{width:var(--shell);margin:0 auto;padding:60px 0 40px;display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:70px}
.footer-brand{font-weight:900;font-size:20px;color:#fff}
.footer-intro p{max-width:480px;color:#bfb2b5}
.footer-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.footer-groups h2{margin:0 0 14px;color:#fff;font-size:15px}
.footer-groups ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-groups a{color:#cdbfc2;font-size:14px}
.footer-groups a:hover{color:#fff}
.footer-bottom{width:var(--shell);margin:0 auto;padding:22px 0 30px;border-top:1px solid #3a3235;display:flex;justify-content:space-between;gap:20px;color:#a99da0;font-size:13px}
.footer-bottom p{margin:0}
.footer-bottom a{color:#cdbfc2}
.back-to-top{position:fixed;right:22px;bottom:22px;z-index:60;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--brand);box-shadow:0 8px 24px rgba(47,35,39,.13);opacity:0;pointer-events:none;transform:translateY(10px);transition:.2s ease}
.back-to-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.utility-grid{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:40px;align-items:start}
.sticky-note{position:sticky;top:110px;padding:24px;border-radius:18px;background:var(--paper-soft);border:1px solid var(--line)}
.sticky-note h2{margin:0;color:var(--ink);font-size:22px}
.sticky-note p{color:var(--muted)}
.topic-links{display:grid;gap:10px;margin-top:20px}
.topic-links a{padding:11px 13px;border-radius:10px;background:#fff;border:1px solid var(--line);font-weight:700}
.topic-links a:hover{border-color:var(--brand-soft)}
.status-list{display:grid;gap:14px}
.status-row{display:grid;grid-template-columns:140px 1fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}
.status-row strong{color:var(--ink)}
.status-row p{margin:0;color:var(--muted)}
.code-like{padding:18px 20px;border-radius:14px;background:#2b2528;color:#f8ecee;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-wrap:anywhere}
@media (max-width:1100px){
    :root{--shell:min(100% - 34px,1000px)}
    .header-shell{grid-template-columns:auto auto 1fr auto;gap:12px}
    .menu-toggle{display:inline-flex;align-items:center;gap:10px;justify-self:end}
    .primary-nav{position:absolute;left:17px;right:17px;top:72px;display:none;padding:14px;border:1px solid var(--line);border-radius:18px;background:var(--paper);box-shadow:var(--shadow);justify-content:flex-start}
    .primary-nav.open{display:flex}
    .primary-nav a{padding:10px 13px}
    .search-open{justify-self:end}
    .hero-grid{grid-template-columns:1fr .8fr;gap:34px}
    .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
    .hero-grid,.page-hero .shell,.feature-split,.feature-split.reverse,.utility-grid{grid-template-columns:1fr}
    .feature-split.reverse .feature-media{order:0}
    .hero-media{min-height:340px}
    .hero-media img{min-height:340px}
    .page-hero-media{max-width:620px}
    .footer-shell{grid-template-columns:1fr;gap:38px}
    .sticky-note{position:static}
}
@media (max-width:720px){
    :root{--shell:calc(100% - 28px)}
    .header-shell{min-height:70px;grid-template-columns:1fr auto auto}
    .brand-copy small{display:none}
    .brand-lockup img{width:40px;height:40px}
    .menu-toggle{grid-column:2}
    .search-open{font-size:0;width:42px;height:42px;padding:0;position:relative}
    .search-open::before{content:"⌕";font-size:22px;position:absolute;inset:0;display:grid;place-items:center}
    .home-hero,.page-hero{padding:52px 0 38px}
    .hero-copy h1,.page-hero h1{font-size:clamp(36px,11vw,52px)}
    .hero-copy .lead,.page-hero .lead{font-size:16px}
    .hero-grid{gap:30px}
    .hero-media,.hero-media img{min-height:300px}
    .hero-note{left:32px;right:32px;bottom:40px}
    .section{padding:58px 0}
    .card-grid,.card-grid.two,.definition-list,.footer-groups{grid-template-columns:1fr}
    .editorial-row{grid-template-columns:1fr;gap:8px}
    .step-list li{grid-template-columns:46px 1fr;padding:19px}
    .step-number{width:40px;height:40px;border-radius:12px;font-size:13px}
    .callout-band{grid-template-columns:1fr;padding:26px}
    .number-strip{grid-template-columns:1fr}
    .status-row{grid-template-columns:1fr;gap:6px}
    .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
    .brand-copy strong{font-size:16px}
    .menu-toggle{width:42px;height:42px;padding:0;justify-content:center}
    .menu-toggle span:first-child{display:none}
    .menu-lines{width:18px;height:12px;border-top:2px solid currentColor;border-bottom:2px solid currentColor;position:relative}
    .menu-lines::after{content:"";position:absolute;left:0;right:0;top:4px;border-top:2px solid currentColor}
    .primary-nav{top:66px;display:none;flex-direction:column;align-items:stretch}
    .primary-nav a{border-radius:10px}
    .hero-actions{flex-direction:column;align-items:stretch}
    .button{width:100%}
    .hero-media{border-radius:24px}
    .section-heading h2{font-size:30px}
    .feature-copy h2{font-size:30px}
    .search-dialog{padding:28px 20px}
    .search-field-row{grid-template-columns:1fr}
    .search-field-row button{min-height:46px}
}
@media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}