/* Xuirenw Online content layout */
:root{--brand:#7A4E63;--brand-soft:#C7A88E;--ink:#302B2E;--ink-soft:#756D71;--deep:#241F23;--paper:#F8F5F3;--paper-alt:#EFE8E4;--accent:#B86A72;--white:#fff;--line:rgba(48,43,46,.14);--shadow:0 18px 50px rgba(36,31,35,.09);--radius:22px;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Serif SC","Songti SC","STSong","SimSun",serif;line-height:1.75;text-rendering:optimizeLegibility}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}.page-shell{padding:44px 0 88px}.site-header{position:sticky;top:0;z-index:40;background:rgba(248,245,243,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{min-height:78px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:12px;min-width:max-content}.brand img{width:44px;height:44px;object-fit:cover;border-radius:50%}.brand span{display:grid;line-height:1.2}.brand strong{font-size:1.12rem;letter-spacing:.08em}.brand small{margin-top:5px;color:var(--ink-soft);font-size:.72rem;letter-spacing:.08em}.primary-nav{margin-left:auto;display:flex;align-items:center;gap:24px;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:.94rem}.primary-nav a{position:relative;padding:26px 0}.primary-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:19px;height:2px;background:var(--accent);transition:right .2s ease}.primary-nav a:hover::after,.primary-nav a:focus-visible::after{right:0}.search-toggle,.menu-toggle,.search-close,.back-top{border:0;cursor:pointer}.search-toggle{background:var(--deep);color:white;padding:10px 15px;border-radius:999px}.menu-toggle{display:none;background:transparent;color:var(--ink);padding:8px 10px}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:start center;padding:10vh 20px}.search-modal__backdrop{position:absolute;inset:0;background:rgba(36,31,35,.62)}.search-panel{position:relative;width:min(720px,100%);background:var(--paper);border-radius:28px;padding:38px;box-shadow:0 30px 90px rgba(0,0,0,.28)}.search-close{position:absolute;right:24px;top:22px;background:transparent;color:var(--ink-soft)}.search-form label{display:block;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:.88rem;font-weight:700;margin-bottom:8px}.search-form__row{display:flex;gap:10px}.search-form input{flex:1;min-width:0;border:1px solid var(--line);background:white;border-radius:14px;padding:13px 14px;color:var(--ink);outline:none}.search-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,78,99,.12)}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:white;border:1px solid var(--brand);border-radius:999px;padding:11px 18px;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-weight:700;line-height:1.2}.button:hover{background:var(--deep);border-color:var(--deep)}.button--ghost{background:transparent;color:var(--brand)}.button--ghost:hover{color:white}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.eyebrow{margin:0 0 8px;color:var(--brand);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:.75rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.section-kicker{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-kicker h2,.page-heading h1{margin:0;line-height:1.25;letter-spacing:-.02em}.section-kicker h2{font-size:clamp(1.8rem,3vw,3.2rem)}.section-kicker p{max-width:560px;margin:0;color:var(--ink-soft)}.text-link{display:inline-block;color:var(--brand);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-weight:700;border-bottom:1px solid currentColor}.breadcrumbs{padding-top:22px;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:.82rem;color:var(--ink-soft)}.breadcrumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}.breadcrumbs li+li::before{content:"/";margin-right:8px;color:var(--brand-soft)}.breadcrumbs a:hover{color:var(--brand)}
/* Home editorial cover */
.editorial-cover{padding:44px 0 58px}.cover-grid{display:grid;grid-template-columns:1.32fr .68fr;gap:18px;min-height:650px}.cover-main{position:relative;overflow:hidden;border-radius:32px;background:var(--deep);color:white}.cover-main>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}.cover-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(36,31,35,.06),rgba(36,31,35,.84))}.cover-copy{position:absolute;z-index:2;left:clamp(24px,5vw,66px);right:clamp(24px,5vw,66px);bottom:clamp(28px,5vw,58px);max-width:760px}.cover-copy h1{font-size:clamp(2.6rem,6vw,5.9rem);line-height:.98;margin:0 0 24px;letter-spacing:-.055em}.cover-copy p{max-width:680px;margin:0;color:rgba(255,255,255,.86);font-size:1.05rem}.cover-side{display:grid;grid-template-rows:1fr 1fr;gap:18px}.cover-note,.cover-feature{border-radius:28px;overflow:hidden}.cover-note{background:var(--paper-alt);padding:32px;display:flex;flex-direction:column;justify-content:space-between}.cover-note h2{font-size:1.7rem;line-height:1.25;margin:8px 0 16px}.cover-note p{margin:0;color:var(--ink-soft)}.cover-feature{position:relative;background:var(--deep);color:white}.cover-feature img{width:100%;height:100%;object-fit:cover;opacity:.58}.cover-feature .overlay-copy{position:absolute;inset:auto 24px 24px 24px}.cover-feature h2{margin:0 0 10px;font-size:1.45rem;line-height:1.2}.cover-feature p{margin:0;color:rgba(255,255,255,.82);font-size:.9rem}
/* Browsing bands */
.content-band{padding:76px 0;border-top:1px solid var(--line)}.content-band--alt{background:var(--paper-alt)}.editorial-strip{display:grid;grid-template-columns:1.25fr .75fr;gap:28px}.lead-story{display:grid;grid-template-columns:1fr 1fr;background:white;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.lead-story img{width:100%;height:100%;min-height:430px;object-fit:cover}.lead-story__copy{padding:34px;display:flex;flex-direction:column;justify-content:center}.lead-story__copy h3{margin:0 0 16px;font-size:2rem;line-height:1.25}.lead-story__copy p{color:var(--ink-soft)}.compact-list{display:grid;align-content:start;border-top:1px solid var(--line)}.compact-item{display:grid;grid-template-columns:74px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}.compact-index{font-size:2rem;color:var(--brand-soft);line-height:1}.compact-item h3{margin:0 0 6px;font-size:1.12rem;line-height:1.35}.compact-item p{margin:0;color:var(--ink-soft);font-size:.9rem}.compact-item a:hover h3{color:var(--brand)}.mosaic{display:grid;grid-template-columns:1.15fr .85fr .85fr;grid-template-rows:280px 280px;gap:16px}.mosaic article{position:relative;overflow:hidden;border-radius:24px;background:var(--deep);color:white}.mosaic article:first-child{grid-row:1/3}.mosaic img{width:100%;height:100%;object-fit:cover;opacity:.65;transition:transform .35s ease}.mosaic article:hover img{transform:scale(1.025)}.mosaic-copy{position:absolute;left:22px;right:22px;bottom:20px}.mosaic h3{font-size:1.3rem;line-height:1.22;margin:0 0 6px}.mosaic p{font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:.84rem;margin:0;color:rgba(255,255,255,.8)}
/* People section */
.people-rail{display:grid;grid-template-columns:.7fr 1.3fr;gap:34px}.people-intro{align-self:center}.people-intro h2{font-size:clamp(2.2rem,4vw,4.2rem);line-height:1.05;margin:0 0 20px}.people-intro p{color:var(--ink-soft)}.people-stack{display:grid;gap:14px}.person-row{display:grid;grid-template-columns:160px 1fr auto;gap:24px;align-items:center;padding:14px;background:white;border-radius:22px}.person-row img{width:160px;height:118px;object-fit:cover;border-radius:16px}.person-row h3{margin:0 0 6px;font-size:1.35rem}.person-row p{margin:0;color:var(--ink-soft);font-size:.92rem}.person-row .arrow{font-size:1.4rem;color:var(--brand);padding:0 16px}.topic-ribbon{background:var(--deep);color:white;padding:64px 0}.topic-ribbon__grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px;align-items:start}.topic-ribbon h2{font-size:clamp(2.2rem,4vw,4.5rem);line-height:1.05;margin:0}.topic-ribbon p{color:rgba(255,255,255,.72)}.topic-links{display:grid;grid-template-columns:1fr 1fr;gap:12px}.topic-links a{border-top:1px solid rgba(255,255,255,.18);padding:16px 0}.topic-links strong{display:block;font-size:1.08rem}.topic-links span{display:block;margin-top:5px;color:rgba(255,255,255,.64);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:.82rem}
/* Cards and list pages */
.page-heading{padding:32px 0 40px;display:grid;grid-template-columns:1fr .9fr;gap:48px;align-items:end}.page-heading h1{font-size:clamp(2.5rem,5vw,5rem)}.page-heading p{margin:0;color:var(--ink-soft);font-size:1.02rem}.page-visual{display:grid;grid-template-columns:1.25fr .75fr;gap:18px;margin-bottom:62px}.page-visual__main,.page-visual__side{border-radius:28px;overflow:hidden}.page-visual__main img{width:100%;height:500px;object-fit:cover}.page-visual__side{background:var(--paper-alt);padding:34px;display:flex;flex-direction:column;justify-content:center}.page-visual__side h2{font-size:2rem;line-height:1.22;margin:0 0 14px}.page-visual__side p{color:var(--ink-soft)}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.article-card{background:white;border-radius:22px;overflow:hidden;box-shadow:0 1px 0 var(--line);min-width:0}.article-card__image{display:block;overflow:hidden}.article-card__image img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease}.article-card:hover img{transform:scale(1.02)}.article-card__body{padding:22px}.article-card h3{font-size:1.22rem;line-height:1.35;margin:0 0 10px}.article-card p:not(.eyebrow){color:var(--ink-soft);font-size:.91rem}.article-card .text-link{font-size:.86rem}.article-grid--dense{grid-template-columns:repeat(4,1fr)}.article-grid--dense .article-card__body{padding:18px}.article-grid--dense .article-card h3{font-size:1.05rem}.index-list{border-top:1px solid var(--line)}.index-entry{display:grid;grid-template-columns:140px 1fr auto;gap:26px;padding:26px 0;border-bottom:1px solid var(--line);align-items:start}.index-entry .index-meta{font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:.78rem;color:var(--ink-soft)}.index-entry h2,.index-entry h3{margin:0 0 8px;line-height:1.3}.index-entry p{margin:0;color:var(--ink-soft)}.index-entry .text-link{white-space:nowrap}.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 30px}.filter-chip{border:1px solid var(--line);background:transparent;color:var(--ink);padding:8px 13px;border-radius:999px;cursor:pointer}.filter-chip[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:white}
/* Detail article */
.article-shell{width:min(980px,calc(100% - 48px));margin:0 auto;padding:30px 0 90px}.article-header{padding:34px 0 26px;border-bottom:1px solid var(--line)}.article-header h1{font-size:clamp(2.4rem,5vw,4.8rem);line-height:1.08;margin:10px 0 20px;letter-spacing:-.035em}.article-deck{font-size:1.08rem;color:var(--ink-soft);max-width:820px}.article-meta{display:flex;gap:16px;flex-wrap:wrap;margin-top:18px;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:.82rem;color:var(--ink-soft)}.article-hero{margin:30px 0 40px;border-radius:28px;overflow:hidden}.article-hero img{width:100%;max-height:610px;object-fit:cover}.article-body{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:54px}.article-prose{font-size:1.03rem}.article-prose p{margin:0 0 1.35em}.article-prose h2{font-size:1.8rem;line-height:1.3;margin:2.1em 0 .7em}.article-prose ul{padding-left:1.3em}.article-prose li{margin:.45em 0}.article-aside{position:sticky;top:108px;align-self:start;background:var(--paper-alt);padding:22px;border-radius:20px}.article-aside h2{font-size:1rem;margin:0 0 12px}.article-aside a{display:block;padding:9px 0;border-top:1px solid var(--line);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:.84rem}.article-aside a:hover{color:var(--brand)}.related-block{margin-top:72px;padding-top:40px;border-top:1px solid var(--line)}
/* People detail */
.person-hero{display:grid;grid-template-columns:.78fr 1.22fr;gap:34px;align-items:center;margin:20px 0 60px}.person-hero img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:30px}.person-hero__copy h1{font-size:clamp(2.8rem,6vw,6rem);line-height:.95;margin:8px 0 22px}.person-hero__copy p{color:var(--ink-soft);font-size:1.05rem}.person-notes{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:36px 0}.person-note{padding:26px;background:var(--paper-alt);border-radius:20px}.person-note h2{font-size:1.25rem;margin:0 0 8px}.person-note p{margin:0;color:var(--ink-soft)}
/* Series and guide */
.series-feature{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:26px}.series-card{position:relative;min-height:430px;border-radius:28px;overflow:hidden;background:var(--deep);color:white}.series-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.52}.series-card__copy{position:absolute;inset:auto 28px 28px 28px}.series-card h2{font-size:2rem;margin:0 0 12px}.series-card p{color:rgba(255,255,255,.8)}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.guide-panel{padding:30px;border-radius:22px;background:white;border:1px solid var(--line)}.guide-panel h2{margin-top:0}.guide-panel p,.guide-panel li{color:var(--ink-soft)}.notice{padding:22px 24px;border-left:4px solid var(--accent);background:var(--paper-alt);border-radius:0 18px 18px 0;margin:26px 0}.notice strong{color:var(--brand)}
/* FAQ */
.faq-list{max-width:900px}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{display:flex;justify-content:space-between;gap:20px;align-items:center;list-style:none;padding:22px 0;cursor:pointer;font-weight:700}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";color:var(--brand);font-size:1.25rem}.faq-item[open] summary::after{content:"−"}.faq-button{width:100%;display:flex;justify-content:space-between;gap:20px;align-items:center;text-align:left;border:0;background:transparent;color:var(--ink);padding:22px 0;cursor:pointer;font-weight:700}.faq-button span:last-child{color:var(--brand);font-size:1.25rem}.faq-answer{padding:0 0 22px;color:var(--ink-soft)}.faq-answer[hidden]{display:none!important}
/* Glossary */
.glossary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 34px}.term{padding:22px 0;border-top:1px solid var(--line)}.term h2{font-size:1.18rem;margin:0 0 8px}.term p{margin:0;color:var(--ink-soft)}
/* Utility and system pages */
.prose-page{max-width:880px}.prose-page h1{font-size:clamp(2.6rem,5vw,4.8rem);line-height:1.05}.prose-page h2{margin-top:2.2em}.prose-page p,.prose-page li{color:var(--ink-soft)}.search-results{display:grid;gap:12px;margin-top:28px}.search-result{padding:22px 0;border-top:1px solid var(--line)}.search-result h2{font-size:1.25rem;margin:2px 0 8px}.search-result p{margin:0 0 10px;color:var(--ink-soft)}.search-result__type{font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:.75rem;color:var(--brand)}.empty-state{padding:34px;background:var(--paper-alt);border-radius:22px}.error-page{min-height:55vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;max-width:900px}.error-page h1{font-size:clamp(2.5rem,5vw,5rem);margin:0 0 12px}.back-top{position:fixed;right:22px;bottom:22px;z-index:30;background:var(--deep);color:white;border-radius:999px;padding:10px 14px;box-shadow:var(--shadow)}
/* Footer */
.site-footer{background:var(--deep);color:white;padding:64px 0 24px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:38px}.footer-title{font-size:1rem;margin:0 0 14px}.site-footer p{color:rgba(255,255,255,.66);font-size:.9rem}.site-footer a{display:block;padding:5px 0;color:rgba(255,255,255,.8);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:.88rem}.site-footer a:hover{color:white}.footer-note{margin-top:10px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:20px;display:flex;justify-content:space-between;color:rgba(255,255,255,.55);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:.78rem}.footer-bottom a{padding:0}
/* Responsive */
@media(max-width:1100px){.primary-nav{gap:16px}.cover-grid{grid-template-columns:1fr}.cover-main{min-height:640px}.cover-side{grid-template-columns:1fr 1fr;grid-template-rows:none}.cover-note,.cover-feature{min-height:280px}.editorial-strip{grid-template-columns:1fr}.article-grid{grid-template-columns:repeat(2,1fr)}.article-grid--dense{grid-template-columns:repeat(3,1fr)}.mosaic{grid-template-columns:1.1fr .9fr;grid-template-rows:300px 240px 240px}.mosaic article:first-child{grid-row:1/3}.mosaic article:nth-child(4){grid-column:1/3}.people-rail{grid-template-columns:1fr}.topic-ribbon__grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid section:last-child{grid-column:1/4}.page-visual{grid-template-columns:1fr}.page-visual__main img{height:460px}}
@media(max-width:900px){.header-inner{min-height:68px}.menu-toggle{display:block;margin-left:auto}.primary-nav{display:none;position:absolute;left:24px;right:24px;top:70px;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:10px 18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.primary-nav.is-open{display:flex}.primary-nav a{padding:12px 4px;border-bottom:1px solid var(--line)}.primary-nav a:last-child{border-bottom:0}.primary-nav a::after{display:none}.search-toggle{padding:8px 12px}.page-heading{grid-template-columns:1fr;gap:18px}.article-body{grid-template-columns:1fr}.article-aside{position:static}.person-hero{grid-template-columns:1fr 1fr}.series-feature{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section:last-child{grid-column:auto}.glossary-grid{grid-template-columns:1fr}}
@media(max-width:720px){.container,.article-shell{width:min(100% - 30px,var(--max))}.brand small{display:none}.brand img{width:38px;height:38px}.cover-main{min-height:560px}.cover-side{grid-template-columns:1fr}.cover-copy h1{font-size:3rem}.content-band{padding:56px 0}.section-kicker{display:block}.section-kicker p{margin-top:12px}.lead-story{grid-template-columns:1fr}.lead-story img{min-height:320px}.mosaic{display:grid;grid-template-columns:1fr;grid-template-rows:none}.mosaic article,.mosaic article:first-child,.mosaic article:nth-child(4){grid-column:auto;grid-row:auto;min-height:320px}.people-stack{gap:10px}.person-row{grid-template-columns:92px 1fr;padding:10px}.person-row img{width:92px;height:92px}.person-row .arrow{display:none}.topic-links{grid-template-columns:1fr}.article-grid,.article-grid--dense{grid-template-columns:1fr 1fr}.index-entry{grid-template-columns:1fr;gap:8px}.index-entry .text-link{white-space:normal}.person-hero{grid-template-columns:1fr}.person-hero img{aspect-ratio:3/2}.person-notes{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.search-panel{padding:30px 22px}.search-form__row{display:grid}.article-header h1{font-size:2.6rem}}
@media(max-width:520px){.header-inner{gap:10px}.brand strong{font-size:1rem}.search-toggle{font-size:.8rem}.article-grid,.article-grid--dense{grid-template-columns:1fr}.cover-main{min-height:500px}.cover-copy{left:22px;right:22px;bottom:28px}.cover-copy h1{font-size:2.55rem}.cover-note{padding:26px}.page-visual__main img{height:340px}.article-shell{width:calc(100% - 30px)}.article-header h1{font-size:2.25rem}.footer-bottom{display:grid;gap:8px}.section-kicker h2{font-size:2rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}