:root{
    --brand:#C85C3A;
    --amber:#E6B85C;
    --ink:#2B2523;
    --text:#332E2B;
    --muted:#766C66;
    --bg:#FAF7F2;
    --soft:#F1EAE2;
    --accent:#D94A32;
    --line:#DDD2C8;
    --white:#FFFDFC;
    --shadow:0 18px 48px rgba(58,44,37,.08);
    --radius:22px;
    --shell:min(1180px,calc(100% - 40px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.72;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand)}
button,input{font:inherit}
button{cursor:pointer}
.shell{width:var(--shell);margin-inline:auto}
.skip-link{position:fixed;left:16px;top:-100px;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px;z-index:1000}
.skip-link:focus{top:16px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(250,247,242,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(221,210,200,.75)}
.header-row{min-height:76px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}
.brand-mark{display:flex;align-items:center;gap:11px;color:var(--ink)}
.brand-mark img{width:44px;height:44px;object-fit:contain}
.brand-mark span{display:grid;line-height:1.15}
.brand-mark strong{font-size:20px;letter-spacing:.02em}
.brand-mark small{font-size:11px;color:var(--muted);margin-top:5px}
.primary-nav{display:flex;align-items:center;justify-content:center;gap:6px}
.primary-nav a{padding:9px 13px;border-radius:999px;color:#5d514b;font-size:14px}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--soft);color:var(--ink)}
.search-open,.menu-toggle{border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:999px;padding:9px 14px}
.menu-toggle{display:none}
.search-open:hover,.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}
.search-modal[hidden]{display:none!important}
.search-modal{position:fixed;inset:0;z-index:500;background:rgba(43,37,35,.56);display:grid;place-items:start center;padding:11vh 20px 20px}
.search-modal__panel{position:relative;width:min(680px,100%);background:var(--bg);border-radius:26px;padding:34px;box-shadow:0 30px 80px rgba(23,17,14,.26)}
.search-close{position:absolute;right:20px;top:18px;border:0;background:transparent;font-size:30px;color:var(--muted);line-height:1}
.search-modal__panel h2{margin:6px 0 20px;font-size:28px;line-height:1.25;color:var(--ink)}
.search-form label,.inline-search label{display:block;font-weight:700;margin-bottom:8px}
.search-form__row,.inline-search form>div{display:flex;gap:10px}
.search-form input,.inline-search input{min-width:0;flex:1;border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px 14px;color:var(--text);outline:none}
.search-form input:focus,.inline-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,92,58,.12)}
.search-form button,.inline-search button{border:0;border-radius:12px;background:var(--brand);color:#fff;padding:12px 18px;font-weight:700}
.home-intro{padding:56px 0 42px;display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.home-intro__copy h1,.page-lead h1,.article-header h1,.not-found h1{font-size:clamp(36px,5.6vw,68px);line-height:1.07;letter-spacing:-.035em;color:var(--ink);margin:12px 0 22px;font-weight:800}
.home-intro__copy .lede{max-width:720px}
.lede{font-size:clamp(18px,2vw,22px);line-height:1.72;color:#564b46;margin:0}
.eyebrow{display:inline-block;color:var(--brand);font-weight:800;font-size:12px;letter-spacing:.09em;text-transform:uppercase}
.home-intro__visual{margin:0;padding:16px;background:var(--soft);border-radius:30px;box-shadow:var(--shadow)}
.home-intro__visual img{width:100%;aspect-ratio:1.3/1;object-fit:cover;border-radius:20px}
.home-intro__visual figcaption{font-size:12px;color:var(--muted);padding:11px 3px 1px}
.inline-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:999px;padding:0 18px;background:var(--brand);color:#fff!important;font-weight:750}
.button:hover{filter:brightness(.96);transform:translateY(-1px)}
.button--quiet{background:transparent;color:var(--ink)!important;border:1px solid var(--line)}
.button--light{background:#fff;color:var(--ink)!important}
.identity-strip{background:var(--ink);color:#fff}
.identity-strip__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.identity-strip__grid>div{padding:24px 26px;border-right:1px solid rgba(255,255,255,.12)}
.identity-strip__grid>div:first-child{padding-left:0}.identity-strip__grid>div:last-child{border-right:0;padding-right:0}
.identity-strip .label{display:block;color:#e9c9ba;font-size:12px;margin-bottom:4px}.identity-strip strong{font-size:18px}.identity-strip p{margin:4px 0 0;color:#c9bfba;font-size:13px}
.section{padding:76px 0}
.section--warm{background:var(--soft)}
.section--soft{background:#f7f1ea;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--dark{background:var(--ink);color:#fff}
.section-heading{max-width:780px;margin-bottom:30px}
.section-heading h2{font-size:clamp(28px,3.5vw,42px);line-height:1.18;letter-spacing:-.025em;color:var(--ink);margin:8px 0 10px}
.section-heading p{font-size:17px;color:var(--muted);margin:0}
.section-heading--row{max-width:none;display:flex;align-items:end;justify-content:space-between;gap:20px}
.split-focus__content{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:start}
.prose-block{font-size:17px;color:#534943}.prose-block p{margin:0 0 18px}
.route-list{display:grid;border-top:1px solid var(--line)}
.route-list a{display:grid;grid-template-columns:210px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:center}
.route-list strong{font-size:18px;color:var(--ink)}.route-list span{color:var(--muted)}
.route-list a:hover strong{color:var(--brand)}
.editorial-band{display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:center}
.editorial-band__visual img{width:100%;aspect-ratio:1.36/1;object-fit:cover;border-radius:28px}
.editorial-band__copy h2,.mobile-note h2,.closing-map h2{font-size:clamp(28px,3.4vw,44px);line-height:1.18;color:var(--ink);margin:9px 0 14px}
.editorial-band__copy p{font-size:17px;color:#5f544e}
.text-link{display:inline-flex;gap:6px;align-items:center;color:var(--brand);font-weight:800;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.compact-index__grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.compact-index__grid a{display:grid;grid-template-columns:44px 1fr;grid-template-rows:auto auto;padding:22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,253,252,.35)}
.compact-index__grid a>span{grid-row:1/3;font-size:13px;color:var(--brand);font-weight:800}.compact-index__grid strong{font-size:18px;color:var(--ink)}.compact-index__grid small{color:var(--muted);margin-top:2px}
.feature-reading{display:grid;grid-template-columns:.82fr 1.18fr;gap:50px}
.feature-reading__lead img{width:100%;aspect-ratio:1.25/1;object-fit:cover;border-radius:26px;margin-bottom:22px}.feature-reading__lead h2{font-size:34px;line-height:1.2;margin:8px 0 12px;color:var(--ink)}.feature-reading__lead p{color:var(--muted)}
.feature-reading__list{border-top:1px solid var(--line)}
.topic-card{border-bottom:1px solid var(--line);padding:22px 0}.topic-card h3{font-size:21px;line-height:1.3;margin:6px 0 7px;color:var(--ink)}.topic-card p{margin:0 0 10px;color:var(--muted)}
.topic-card img{width:100%;aspect-ratio:1.6/1;object-fit:cover;border-radius:18px;margin-bottom:14px}
.mobile-note{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;padding:64px 0}.mobile-note .eyebrow{color:#e9bd6d}.mobile-note h2{color:#fff}.mobile-note p{color:#d5ccc8;font-size:17px;max-width:670px}.mobile-note img{width:100%;aspect-ratio:1.3/1;object-fit:cover;border-radius:26px}
.verification-preview__steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:32px 0}.verification-preview__steps>div{padding:22px;background:var(--soft);border-radius:18px}.verification-preview__steps span{font-weight:900;color:var(--brand)}.verification-preview__steps strong{display:block;margin:16px 0 6px;color:var(--ink)}.verification-preview__steps p{margin:0;color:var(--muted);font-size:14px}
.closing-map{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:start}.closing-map__copy h2{margin-top:8px}.closing-map__copy p{color:var(--muted)}.closing-map__links{display:grid;border-top:1px solid var(--line)}.closing-map__links a{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line);font-weight:800}.closing-map__links span{font-weight:400;color:var(--muted)}
.page-shell,.article-shell{padding-top:26px;padding-bottom:30px}
.breadcrumbs{margin:8px 0 24px}.breadcrumbs ol{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0;gap:8px;font-size:13px;color:var(--muted)}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#b5aaa4}.breadcrumbs a{text-decoration:underline;text-underline-offset:3px}
.page-lead{display:grid;grid-template-columns:1.08fr .92fr;gap:50px;align-items:center;padding:38px 0 54px;border-bottom:1px solid var(--line)}
.page-lead img{width:100%;aspect-ratio:1.35/1;object-fit:cover;border-radius:28px;background:var(--soft)}
.page-lead h1{font-size:clamp(38px,5vw,62px)}
.page-lead--dense{grid-template-columns:1.16fr .84fr}.page-lead--simple{grid-template-columns:1.12fr .88fr}.page-lead--search{grid-template-columns:1.16fr .84fr}
.community-principles__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.community-principles article{padding:24px;border-top:3px solid var(--brand);background:var(--white);box-shadow:var(--shadow)}.community-principles h3{margin:0 0 9px;color:var(--ink);font-size:20px}.community-principles p{margin:0;color:var(--muted)}
.topic-stream__list{border-top:1px solid var(--line)}.stream-row{display:grid;grid-template-columns:70px 1fr;padding:24px 0;border-bottom:1px solid var(--line)}.stream-row__num{font-size:14px;color:var(--brand);font-weight:900}.stream-row h3{margin:5px 0 8px;font-size:24px;line-height:1.3}.stream-row p{margin:0;color:var(--muted);max-width:780px}
.section--warm-inset{padding:34px;background:var(--soft);border-radius:28px}.context-section,.verify-callout{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center;margin-top:34px;margin-bottom:34px}.context-section h2,.verify-callout h2{font-size:32px;line-height:1.2;margin:8px 0 12px;color:var(--ink)}.context-section p,.verify-callout p{color:#5c514c}.context-section img,.verify-callout img{width:100%;aspect-ratio:1.4/1;object-fit:cover;border-radius:22px}
.link-ledger{display:grid;border-top:1px solid var(--line)}.link-ledger a{display:grid;grid-template-columns:240px 1fr;gap:26px;padding:20px 0;border-bottom:1px solid var(--line)}.link-ledger strong{color:var(--ink)}.link-ledger span{color:var(--muted)}
.app-status{display:grid;grid-template-columns:1fr 1fr;gap:18px}.status-panel{background:var(--white);padding:26px;border:1px solid var(--line);border-radius:20px}.status-panel .label{font-size:12px;color:var(--brand);font-weight:800}.status-panel h2{font-size:24px;line-height:1.3;margin:8px 0}.status-panel p{margin:0;color:var(--muted)}
.numbered-flow{list-style:none;padding:0;margin:0;border-top:1px solid var(--line);counter-reset:steps}.numbered-flow li{position:relative;padding:24px 20px 24px 76px;border-bottom:1px solid var(--line);counter-increment:steps}.numbered-flow li::before{content:counter(steps,decimal-leading-zero);position:absolute;left:8px;top:24px;color:var(--brand);font-weight:900}.numbered-flow strong{display:block;font-size:20px;color:var(--ink);margin-bottom:6px}.numbered-flow p{margin:0;color:var(--muted)}
.mobile-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:center;padding:40px;border-radius:28px}.mobile-layout img{width:100%;aspect-ratio:1.25/1;object-fit:cover;border-radius:20px}.mobile-layout h2{font-size:32px;margin:8px 0 12px;line-height:1.2}.mobile-layout p{color:var(--muted)}
.topic-grid{display:grid;gap:20px}.topic-grid--2{grid-template-columns:repeat(2,1fr)}.topic-grid--3{grid-template-columns:repeat(3,1fr)}.topic-grid .topic-card{padding:24px;background:var(--white);border:1px solid var(--line);border-radius:20px}.topic-grid .topic-card h3{font-size:20px}
.verify-ladder{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.verify-ladder__item{padding:26px;background:var(--white);border:1px solid var(--line);border-radius:20px}.verify-ladder__item>span{color:var(--brand);font-size:12px;font-weight:800}.verify-ladder__item h2{font-size:24px;line-height:1.3;margin:8px 0 10px}.verify-ladder__item p{margin:0;color:var(--muted)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:15px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--soft);color:var(--ink)}td{color:#5d524c}tbody tr:last-child td{border-bottom:0}
.category-section{border-bottom:1px solid var(--line)}.count-note{font-size:13px;color:var(--muted)}
.article-shell{width:min(960px,calc(100% - 40px));margin-inline:auto}.article-header{padding:42px 0 28px}.article-header h1{font-size:clamp(40px,5.4vw,64px)}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.tag-row span{background:var(--soft);border-radius:999px;padding:5px 10px;font-size:12px;color:#665b55}.article-image{margin:0 0 34px}.article-image img{width:100%;aspect-ratio:1.75/1;object-fit:cover;border-radius:28px}.article-body{width:min(760px,100%);margin-inline:auto}.article-body p{font-size:18px;line-height:1.95;color:#4e4540;margin:0 0 24px}.article-body h2{font-size:30px;line-height:1.3;color:var(--ink);margin:44px 0 16px}.article-note{width:min(800px,100%);margin:38px auto 0;padding:24px 26px;border-left:4px solid var(--amber);background:var(--soft)}.article-note strong{color:var(--ink)}.article-note p{margin:5px 0 0;color:#5a504b}
.guide-ledger{border-top:1px solid var(--line)}.guide-row{display:grid;grid-template-columns:58px 1fr 30px;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.guide-row>span{color:var(--brand);font-weight:900}.guide-row h2{font-size:21px;margin:0 0 3px;color:var(--ink)}.guide-row p{margin:0;color:var(--muted)}.guide-row b{font-size:24px}.prose-columns{display:grid;grid-template-columns:1fr 1fr;gap:30px;font-size:17px;color:#544a45}
.faq-list{display:grid;gap:10px}.faq-list details{border:1px solid var(--line);background:var(--white);border-radius:16px;padding:0 20px}.faq-list summary{font-weight:800;color:var(--ink);padding:18px 34px 18px 0;cursor:pointer;position:relative;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";position:absolute;right:4px;top:15px;font-size:24px;color:var(--brand)}.faq-list details[open] summary::after{content:"–"}.faq-list details div{padding:0 0 18px;color:var(--muted)}.faq-list details p{margin:0}.help-rail{display:grid;grid-template-columns:1fr 1fr;gap:16px}.help-rail a{padding:24px;background:var(--soft);border-radius:18px}.help-rail strong{display:block;color:var(--ink);font-size:19px}.help-rail span{display:block;color:var(--muted);margin-top:4px}
.about-grid,.safety-rules,.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.about-grid article,.safety-rules article,.contact-grid article{padding:26px;background:var(--white);border:1px solid var(--line);border-radius:20px}.about-grid h2,.safety-rules h2,.contact-grid h2{font-size:24px;line-height:1.3;margin:8px 0 10px}.about-grid p,.safety-rules p,.contact-grid p{color:var(--muted);margin:0}.contact-grid article>span{color:var(--brand);font-weight:900}.about-links{display:flex;flex-wrap:wrap;gap:12px}.about-links a{padding:12px 16px;border:1px solid var(--line);border-radius:999px;background:var(--white);font-weight:700}
.privacy-prose{padding-top:60px;padding-bottom:70px}.privacy-prose h2{font-size:26px}.privacy-prose p{font-size:17px}
.inline-search{padding-top:32px;padding-bottom:20px}.inline-search form{max-width:720px}.search-results{padding-top:30px}.empty-state{padding:30px;background:var(--soft);border-radius:20px}.empty-state h2{margin:0 0 8px;font-size:26px}.empty-state p{margin:0;color:var(--muted)}.empty-state a{color:var(--brand);font-weight:700;text-decoration:underline}
.not-found{padding:100px 0 130px;max-width:820px}.not-found h1{font-size:50px}.not-found>p{font-size:18px;color:var(--muted)}.not-found__links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px}.not-found__links a{padding:16px;background:var(--soft);border-radius:14px;font-weight:750}
.site-footer{background:#241f1d;color:#e8e0dc;margin-top:50px}.footer-grid{display:grid;grid-template-columns:1.1fr .75fr .75fr;gap:60px;padding:58px 0 40px}.footer-grid h2{font-size:14px;color:#fff;margin:0 0 12px}.footer-brand{font-size:24px;font-weight:900;color:#fff}.footer-grid p{max-width:460px;color:#bfb4ae;font-size:14px}.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid li{margin:8px 0}.footer-grid a{color:#d6cdc8;font-size:14px}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 24px;display:flex;justify-content:space-between;color:#978d87;font-size:12px}
.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--white);box-shadow:var(--shadow);color:var(--ink);z-index:80}.back-top[hidden]{display:none}
@media (max-width:1024px){
    :root{--shell:min(100% - 34px,960px)}
    .header-row{grid-template-columns:auto auto auto;justify-content:space-between;gap:16px}.menu-toggle{display:inline-block}.primary-nav{position:absolute;top:76px;left:17px;right:17px;display:none;flex-direction:column;align-items:stretch;background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow)}.primary-nav.is-open{display:flex}.primary-nav a{text-align:center}
    .home-intro,.page-lead,.editorial-band,.feature-reading,.closing-map,.split-focus__content,.mobile-note,.context-section,.verify-callout,.mobile-layout{grid-template-columns:1fr}
    .home-intro__visual,.page-lead img{max-width:760px}.identity-strip__grid{grid-template-columns:1fr}.identity-strip__grid>div{padding:18px 0;border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}.identity-strip__grid>div:last-child{border-bottom:0}
    .verification-preview__steps{grid-template-columns:repeat(2,1fr)}.mobile-note img{max-width:620px}.footer-grid{grid-template-columns:1.2fr .8fr .8fr;gap:30px}
}
@media (max-width:768px){
    :root{--shell:calc(100% - 28px)}
    .site-header{position:relative}.header-row{min-height:70px}.brand-mark small{display:none}.search-open{padding:8px 11px;font-size:13px}.menu-toggle{padding:8px 11px;font-size:13px}.primary-nav{top:70px;left:14px;right:14px}
    .home-intro{padding-top:34px;gap:30px}.home-intro__copy h1,.page-lead h1,.article-header h1{font-size:clamp(34px,11vw,50px)}.lede{font-size:18px}.section{padding:54px 0}.section-heading h2{font-size:30px}.section-heading--row{align-items:flex-start;flex-direction:column}.route-list a,.link-ledger a{grid-template-columns:1fr;gap:4px}.compact-index__grid,.community-principles__grid,.app-status,.verify-ladder,.topic-grid--2,.topic-grid--3,.about-grid,.safety-rules,.contact-grid,.help-rail,.prose-columns{grid-template-columns:1fr}.verification-preview__steps{grid-template-columns:1fr 1fr}.page-lead{padding:24px 0 38px;gap:30px}.stream-row{grid-template-columns:48px 1fr}.section--warm-inset{padding:24px}.mobile-layout{padding:24px}.article-body p{font-size:17px}.article-body h2{font-size:26px}.not-found__links{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{flex-direction:column;gap:6px}.search-modal__panel{padding:26px 20px}.search-form__row,.inline-search form>div{flex-direction:column}.search-form button,.inline-search button{width:100%}
}
@media (max-width:600px){
    .brand-mark img{width:38px;height:38px}.brand-mark strong{font-size:18px}.search-open{font-size:0}.search-open::after{content:"搜索";font-size:13px}.home-intro__copy h1,.page-lead h1,.article-header h1{letter-spacing:-.02em}.inline-actions{flex-direction:column}.button{width:100%}.verification-preview__steps{grid-template-columns:1fr}.compact-index__grid{grid-template-columns:1fr}.feature-reading__lead h2,.context-section h2,.verify-callout h2,.mobile-layout h2{font-size:28px}.section--warm-inset{border-radius:20px}.article-image img{border-radius:20px}.not-found h1{font-size:38px}
}
@media (max-width:375px){
    :root{--shell:calc(100% - 22px)}
    .header-row{gap:8px}.brand-mark{gap:7px}.brand-mark img{width:34px;height:34px}.brand-mark strong{font-size:17px}.menu-toggle,.search-open{padding:7px 9px}.home-intro{padding-top:26px}.home-intro__copy h1,.page-lead h1,.article-header h1{font-size:34px}.lede{font-size:17px}.section{padding:46px 0}.section-heading h2{font-size:27px}.stream-row{grid-template-columns:38px 1fr}.stream-row h3{font-size:21px}.guide-row{grid-template-columns:40px 1fr 20px;gap:10px}
}
