:root{
  --brand:#B9473F;--amber:#D89A45;--ink:#1E2026;--bg:#F7F4EF;--soft:#EEE9E2;--text:#2B2D31;--muted:#6F706F;--accent:#E06A3B;--white:#fff;--line:rgba(30,32,38,.13);--shadow:0 20px 60px rgba(30,32,38,.08);--radius:22px;--max:1180px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.narrow{max-width:880px}.skip-link{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;z-index:999}.skip-link:focus{left:8px}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,244,239,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.header-inner{min-height:76px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;white-space:nowrap}.brand img{width:40px;height:40px;object-fit:cover;border-radius:12px}.primary-nav{margin-left:auto;display:flex;align-items:center;gap:5px}.primary-nav a{padding:9px 11px;border-radius:999px;font-size:.93rem;color:#45474d}.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--soft);color:var(--ink)}.search-open,.nav-toggle,.back-top{border:1px solid var(--line);background:transparent;border-radius:999px;padding:8px 13px;cursor:pointer;color:var(--ink)}.search-open:hover,.nav-toggle:hover,.back-top:hover{background:var(--soft)}.nav-toggle{display:none}.home-hero{padding:72px 0 54px;background:linear-gradient(180deg,#f2ece4 0%,var(--bg) 100%)}.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:54px}.eyebrow,.section-kicker{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;font-weight:800;color:var(--brand);margin:0 0 14px}.hero-copy h1,.page-hero h1,.search-page h1,.not-found h1{font-size:clamp(2.5rem,5vw,5rem);line-height:1.05;letter-spacing:-.045em;margin:0 0 24px;color:var(--ink)}.lead{font-size:clamp(1.05rem,1.8vw,1.3rem);color:#55575b;max-width:760px}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:12px;font-weight:750}.button.primary{background:var(--brand);color:white}.button.primary:hover{background:#9f3b35}.button.secondary{background:var(--soft);border:1px solid var(--line)}.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:750;color:var(--brand)}.text-link::after{content:"→"}.hero-points{display:flex;gap:18px;flex-wrap:wrap;margin:30px 0 0;padding:0;list-style:none;color:var(--muted);font-size:.9rem}.hero-points li::before{content:"•";color:var(--amber);margin-right:7px}.hero-media{margin:0;position:relative}.hero-media img,.page-hero-media img,.visual-grid img{width:100%;border-radius:28px;aspect-ratio:4/3;object-fit:cover;background:var(--soft);box-shadow:var(--shadow)}.hero-media figcaption{font-size:.84rem;color:var(--muted);margin-top:10px}.quick-strip{background:var(--ink);color:#f8f5ef}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr)}.quick-grid div{padding:24px 20px;border-right:1px solid rgba(255,255,255,.12)}.quick-grid div:last-child{border-right:0}.quick-grid strong,.quick-grid span{display:block}.quick-grid strong{font-size:1rem}.quick-grid span{color:#c8c8c5;font-size:.86rem;margin-top:5px}.home-section{padding:74px 0}.home-section.soft{background:var(--soft)}.section-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}.section-intro{position:sticky;top:110px}.section-intro h2,.visual-grid h2{font-size:clamp(1.8rem,3vw,3.2rem);line-height:1.15;letter-spacing:-.025em;margin:0 0 18px;color:var(--ink)}.section-intro p:last-child{margin-bottom:0;color:#55575b}.section-links .related-links{display:grid;grid-template-columns:1fr 1fr;gap:14px}.related-links{display:grid;gap:12px;margin-top:22px}.related-link{padding:20px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.38);transition:.2s ease}.related-link:hover{transform:translateY(-2px);background:rgba(255,255,255,.72);box-shadow:0 12px 30px rgba(30,32,38,.06)}.related-link strong,.related-link span{display:block}.related-link strong{color:var(--ink);font-size:1.05rem}.related-link span{margin-top:6px;color:var(--muted);font-size:.92rem}.visual-band{padding:84px 0;background:#24262c;color:#f7f3ed}.visual-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px}.visual-grid h2{color:#fff}.visual-grid p{color:#d4d0c9}.page-hero{padding:54px 0 62px}.page-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}.page-hero h1{font-size:clamp(2.3rem,4.2vw,4.6rem)}.page-hero-media{margin:0}.page-hero-media img{aspect-ratio:3/2}.breadcrumbs{padding:18px 0 0;font-size:.86rem;color:var(--muted)}.breadcrumbs ol{display:flex;gap:9px;align-items:center;list-style:none;margin:0;padding:0;flex-wrap:wrap}.breadcrumbs li+li::before{content:"/";margin-right:9px;color:#a4a4a0}.breadcrumbs a:hover{color:var(--brand)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:70px;padding-bottom:86px}.content-article{min-width:0}.prose-section{padding:38px 0;border-top:1px solid var(--line)}.prose-section:first-child{border-top:0}.prose-section h2,.note-panel h2{font-size:clamp(1.45rem,2.2vw,2.15rem);line-height:1.25;margin:0 0 16px;color:var(--ink);letter-spacing:-.02em}.prose-section>p{font-size:1.04rem;margin:0;color:#44464b}.side-index-inner{position:sticky;top:110px;background:var(--soft);padding:22px;border-radius:18px}.side-index h2{font-size:1rem;margin:0 0 10px}.side-index ol{margin:0 0 18px;padding-left:20px}.side-index li{margin:8px 0;font-size:.88rem;color:var(--muted)}.side-index a:hover{color:var(--brand)}.note-panel{padding:26px;background:#f0e4d7;border-left:4px solid var(--amber);border-radius:14px}.faq-section{padding:20px 0 84px}.faq-list{max-width:900px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-item summary{cursor:pointer;list-style:none;font-size:1.08rem;font-weight:750;padding:20px 46px 20px 0;position:relative;color:var(--ink)}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";position:absolute;right:8px;top:18px;font-size:1.4rem;color:var(--brand)}.faq-item[open] summary::after{content:"−"}.faq-answer{padding:0 36px 20px 0;color:#55575b}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:100;background:rgba(30,32,38,.72);display:grid;place-items:center;padding:20px}.search-dialog{width:min(620px,100%);background:var(--bg);border-radius:24px;padding:34px;position:relative;box-shadow:0 30px 100px rgba(0,0,0,.24)}.search-dialog h2{font-size:1.8rem;margin:0 0 8px}.search-dialog p{color:var(--muted)}.search-close{position:absolute;right:16px;top:14px;border:0;background:transparent;font-size:1.8rem;cursor:pointer}.search-row{display:flex;gap:8px;margin-top:8px}.search-row input{flex:1;min-width:0;border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px 13px}.search-row button{border:0;background:var(--brand);color:#fff;padding:0 18px;border-radius:10px;font-weight:700;cursor:pointer}.search-page,.not-found{padding:50px 0 90px}.search-page-form{margin:34px 0;padding:24px;background:var(--soft);border-radius:18px}.search-page-form label{display:block;font-weight:700}.search-summary{padding:18px 0;color:var(--muted)}.search-result{padding:24px 0;border-top:1px solid var(--line)}.search-result h2{margin:0 0 8px}.search-result h2 a:hover{color:var(--brand)}.search-result p{color:#55575b}.empty-state{padding:36px;background:var(--soft);border-radius:20px}.site-footer{background:var(--ink);color:#e8e5df;padding:58px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:44px}.footer-brand{font-size:1.25rem;font-weight:800}.footer-about p{color:#b8b7b3;max-width:390px}.footer-group h2{font-size:.95rem}.footer-group ul{list-style:none;padding:0;margin:0}.footer-group li{margin:8px 0}.footer-group a{color:#b8b7b3}.footer-group a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:.85rem;color:#9d9d99}.site-footer .back-top{border-color:rgba(255,255,255,.2);color:#ddd}.no-scroll{overflow:hidden}
@media(max-width:1024px){.primary-nav{display:none;position:absolute;left:20px;right:20px;top:70px;background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.primary-nav.is-open{display:flex}.primary-nav a{padding:11px 13px}.nav-toggle{display:inline-flex;margin-left:auto}.search-open{margin-left:0}.hero-grid,.page-hero-grid,.visual-grid{grid-template-columns:1fr;gap:34px}.hero-media{max-width:780px}.article-layout{grid-template-columns:1fr}.side-index{display:none}.section-grid{grid-template-columns:1fr;gap:30px}.section-intro{position:static}.quick-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-group:last-child{grid-column:2/4}.home-hero{padding-top:50px}}
@media(max-width:768px){.container{width:min(calc(100% - 28px),var(--max))}.site-header .brand span{font-size:1rem}.header-inner{gap:10px;min-height:68px}.brand img{width:34px;height:34px}.home-hero{padding:36px 0 40px}.hero-copy h1,.page-hero h1,.search-page h1,.not-found h1{font-size:clamp(2.1rem,10vw,3.5rem)}.hero-actions{align-items:stretch}.hero-actions .button{width:100%}.quick-grid{grid-template-columns:1fr}.quick-grid div{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}.home-section{padding:52px 0}.section-links .related-links{grid-template-columns:1fr}.visual-band{padding:58px 0}.page-hero{padding:40px 0}.article-layout{padding-bottom:60px}.prose-section{padding:30px 0}.footer-grid{grid-template-columns:1fr 1fr}.footer-about{grid-column:1/3}.footer-group:last-child{grid-column:auto}.search-dialog{padding:28px 22px}.search-row{flex-direction:column}.search-row button{min-height:44px}.footer-bottom{align-items:flex-start;flex-direction:column}}
@media(max-width:600px){.search-open{padding:7px 10px}.nav-toggle{padding:7px 10px}.hero-points{display:grid;gap:8px}.footer-grid{grid-template-columns:1fr}.footer-about,.footer-group:last-child{grid-column:auto}.page-hero-media img,.hero-media img{border-radius:18px}.related-link{padding:17px}.search-page-form{padding:18px}.breadcrumbs{overflow:auto;white-space:nowrap}}
@media(max-width:375px){.container{width:min(calc(100% - 22px),var(--max))}.brand{gap:7px}.brand img{width:30px;height:30px}.site-header .brand span{font-size:.92rem}.search-open,.nav-toggle{font-size:.84rem;padding:6px 9px}.hero-copy h1,.page-hero h1{font-size:2.05rem}.lead{font-size:1rem}.button{padding-inline:14px}.section-intro h2,.visual-grid h2{font-size:1.75rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.related-link{transition:none}}