:root{--brand:#7A2E3A;--brand-deep:#59212a;--copper:#B07A57;--ink:#292527;--muted:#71686B;--dark:#211B1D;--paper:#F7F3F1;--paper-2:#EEE7E3;--accent:#D99A3E;--white:#fff;--line:rgba(41,37,39,.14);--shadow:0 18px 45px rgba(33,27,29,.12);--radius:22px;--max:1180px;--reading:790px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",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(var(--max),calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;left:12px;top:-100px;z-index:9999;background:var(--accent);color:var(--dark);padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:80;background:rgba(247,243,241,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{min-height:78px;display:flex;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:11px;min-width:max-content}.brand img{width:46px;height:46px;object-fit:cover;border-radius:50%;background:var(--paper-2)}.brand span{display:grid;line-height:1.25}.brand strong{font-size:18px;letter-spacing:.04em}.brand small{font-size:12px;color:var(--muted);margin-top:4px}.site-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.site-nav a{padding:8px 11px;border-radius:999px;color:#4d4548;font-size:14px}.site-nav a:hover,.site-nav a[aria-current="page"]{background:var(--brand);color:#fff}.search-open,.menu-toggle{border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 14px;border-radius:999px;cursor:pointer}.search-open:hover,.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}.menu-toggle{display:none}
.hero{position:relative;overflow:hidden;background:var(--dark);color:#fff}.hero .container{min-height:560px;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(380px,.88fr);align-items:stretch}.hero-copy{padding:72px 56px 72px 0;display:flex;flex-direction:column;justify-content:center;position:relative;z-index:2}.eyebrow{display:inline-flex;align-items:center;gap:8px;width:max-content;color:var(--copper);font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.hero h1,.page-hero h1{font-size:clamp(38px,5.4vw,72px);line-height:1.05;letter-spacing:-.045em;margin:18px 0 22px}.hero p{font-size:18px;max-width:670px;color:#e5ddda;margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:999px;background:var(--accent);color:var(--dark);font-weight:700;border:1px solid transparent}.btn.secondary{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}.hero-art{position:relative;min-height:560px}.hero-art img{width:100%;height:100%;object-fit:cover}.hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--dark),transparent 34%),linear-gradient(0deg,rgba(33,27,29,.35),transparent 50%)}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}.hero-stats div{padding:13px 0;border-top:1px solid rgba(255,255,255,.18)}.hero-stats strong{display:block;font-size:16px}.hero-stats span{font-size:12px;color:#bfb4b7}
.section{padding:76px 0}.section.compact{padding:52px 0}.section-dark{background:var(--dark);color:#fff}.section-alt{background:var(--paper-2)}.section-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.7fr);gap:36px;align-items:end;margin-bottom:30px}.section-heading h2{font-size:clamp(28px,3.6vw,46px);line-height:1.16;letter-spacing:-.025em;margin:0}.section-heading p{margin:0;color:var(--muted)}.section-dark .section-heading p{color:#c7bdc0}.content-ledger{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:28px}.ledger-main{display:grid;gap:2px}.ledger-row{display:grid;grid-template-columns:92px 1fr auto;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);align-items:start}.ledger-row:first-child{border-top:1px solid var(--line)}.ledger-row .num{font-variant-numeric:tabular-nums;color:var(--brand);font-weight:800;font-size:13px}.ledger-row h3{margin:0 0 5px;font-size:20px}.ledger-row p{margin:0;color:var(--muted)}.ledger-row a{color:var(--brand);font-weight:700;white-space:nowrap}.editor-note{background:var(--brand);color:#fff;padding:30px;border-radius:var(--radius);align-self:start;position:sticky;top:104px}.editor-note h3{font-size:26px;margin:0 0 12px}.editor-note p{color:#f0e6e8}.editor-note ul{padding-left:18px;margin:18px 0 0}.editor-note li+li{margin-top:8px}
.featured-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:18px}.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 26px rgba(33,27,29,.05)}.feature-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--paper-2)}.feature-card:first-child img{aspect-ratio:16/11}.feature-card-body{padding:22px}.feature-card h3{font-size:22px;line-height:1.3;margin:8px 0 10px}.feature-card h3 a:hover{color:var(--brand)}.feature-card p{margin:0;color:var(--muted)}.split-band{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.72fr);gap:0;border-radius:28px;overflow:hidden;background:var(--brand);color:#fff}.split-band .copy{padding:48px}.split-band h2{font-size:40px;line-height:1.15;margin:0 0 18px}.split-band p{color:#f0e6e8}.split-band img{width:100%;height:100%;min-height:360px;object-fit:cover}.topic-index{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}.topic-index a{display:grid;grid-template-columns:42px 1fr auto;gap:14px;padding:21px 16px;border-bottom:1px solid var(--line);align-items:start}.topic-index a:nth-child(odd){border-right:1px solid var(--line)}.topic-index strong{font-size:18px}.topic-index span{color:var(--muted);font-size:14px}.topic-index b{font-size:20px;color:var(--brand)}.topic-index a:hover{background:#fff}
.page-hero{background:linear-gradient(135deg,var(--dark),#3a272d);color:#fff;padding:58px 0 48px}.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:44px;align-items:center}.page-hero h1{font-size:clamp(38px,5vw,62px)}.page-hero p{font-size:18px;color:#dfd5d8;max-width:760px}.page-hero img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.breadcrumbs{font-size:14px;color:var(--muted);padding:18px 0}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#a79da0}.breadcrumbs a:hover{color:var(--brand)}.section-dense{padding-top:48px}.dense-list{max-width:930px}.dense-item{padding:34px 0;border-bottom:1px solid var(--line);scroll-margin-top:110px}.dense-item:first-child{border-top:1px solid var(--line)}.dense-meta{display:flex;gap:8px;margin-bottom:10px}.dense-meta span{font-size:12px;background:var(--paper-2);color:var(--brand);padding:4px 8px;border-radius:999px;font-weight:700}.dense-item h3{font-size:28px;line-height:1.3;margin:0 0 12px}.dense-item .summary{font-size:17px;color:var(--brand);font-weight:650}.dense-item p{max-width:820px;margin:10px 0;color:#4e4749}
.related-links{background:var(--dark);color:#fff;padding:52px 0}.related-links h2{margin:0 0 20px;font-size:32px}.related-links ul{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related-links a{display:block;height:100%;padding:20px;border:1px solid rgba(255,255,255,.14);border-radius:16px}.related-links a:hover{border-color:var(--accent);background:rgba(255,255,255,.04)}.related-links strong,.related-links span{display:block}.related-links span{margin-top:6px;color:#cfc4c7;font-size:14px}.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px}.guide-aside{position:sticky;top:110px;align-self:start;background:#fff;border:1px solid var(--line);padding:20px;border-radius:16px}.guide-aside h2{font-size:17px;margin-top:0}.guide-aside a{display:block;padding:8px 0;color:var(--muted)}.guide-aside a:hover{color:var(--brand)}.faq-list{max-width:900px}.faq-item{border-bottom:1px solid var(--line);scroll-margin-top:110px}.faq-item button{width:100%;display:flex;justify-content:space-between;gap:22px;text-align:left;border:0;background:transparent;padding:22px 0;color:var(--ink);font-weight:750;font-size:18px;cursor:pointer}.faq-answer{padding:0 0 22px;color:var(--muted)}.faq-item [aria-expanded="false"] + .faq-answer{display:none}.search-page{min-height:70vh}.search-results{display:grid;gap:0;max-width:900px}.search-result{padding:22px 0;border-bottom:1px solid var(--line)}.search-result small{color:var(--brand);font-weight:700}.search-result h2{font-size:23px;margin:4px 0 8px}.search-result p{margin:0;color:var(--muted)}.search-result a:hover h2{color:var(--brand)}.empty-state{padding:30px;border:1px dashed var(--copper);border-radius:16px;background:#fff}.prose{max-width:var(--reading);font-size:16px}.prose h2{font-size:32px;line-height:1.25;margin:44px 0 14px}.prose h3{font-size:22px;margin:30px 0 10px}.prose p{color:#4d4648}.prose ul,.prose ol{padding-left:22px}.prose li+li{margin-top:7px}.notice{padding:18px 20px;border-left:4px solid var(--accent);background:#fff7e9;border-radius:0 12px 12px 0}.quote-band{padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:22px;line-height:1.55;color:var(--brand)}.mini-index{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.mini-index a{padding:16px;border-radius:14px;background:#fff;border:1px solid var(--line)}.mini-index a strong{display:block}.mini-index a span{font-size:13px;color:var(--muted)}.mini-index a:hover{border-color:var(--brand)}.two-column-prose{display:grid;grid-template-columns:1fr 1fr;gap:50px}.two-column-prose h2{font-size:28px}.two-column-prose p{color:var(--muted)}
.site-footer{background:#171315;color:#e8dfe2;padding:58px 0 20px}.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:48px}.site-footer h2{font-size:17px;margin-top:0;color:#fff}.site-footer p{color:#bfb4b7;max-width:430px}.site-footer nav a{display:block;color:#cfc4c7;padding:4px 0}.site-footer nav a:hover{color:var(--accent)}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#9e9396;font-size:13px}.footer-bottom div{display:flex;gap:16px}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:200;background:rgba(20,16,17,.74);display:grid;place-items:center;padding:20px}.search-dialog{position:relative;width:min(640px,100%);background:var(--paper);padding:34px;border-radius:22px;box-shadow:var(--shadow)}.search-dialog h2{font-size:30px;margin:0 0 8px}.search-dialog p{color:var(--muted)}.search-close{position:absolute;right:16px;top:12px;border:0;background:transparent;font-size:32px;cursor:pointer}.search-form label{display:block;font-size:14px;font-weight:700;margin-bottom:7px}.search-row{display:flex;gap:8px}.search-row input{flex:1;min-width:0;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff}.search-row button{border:0;background:var(--brand);color:#fff;border-radius:12px;padding:11px 18px;cursor:pointer}.back-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;border:0;background:var(--accent);color:var(--dark);font-size:20px;font-weight:800;box-shadow:var(--shadow);cursor:pointer}.back-top[hidden]{display:none}.status-strip{display:flex;gap:12px;flex-wrap:wrap}.status-strip span{display:inline-flex;padding:7px 10px;border-radius:999px;background:var(--paper-2);font-size:13px}.error-page{min-height:64vh;display:grid;place-items:center;text-align:center}.error-code{font-size:100px;line-height:1;color:var(--brand);font-weight:850;letter-spacing:-.06em}.error-page h1{font-size:42px;margin:10px 0}.error-page p{color:var(--muted);max-width:620px}.error-links{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:22px}.error-links a{padding:10px 16px;border-radius:999px;background:#fff;border:1px solid var(--line)}
@media (max-width:1024px){.site-nav{position:absolute;top:78px;left:20px;right:20px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:12px;display:none;box-shadow:var(--shadow);flex-wrap:wrap}.site-nav.open{display:flex}.menu-toggle{display:inline-flex;margin-left:auto}.search-open{margin-left:0}.hero .container{grid-template-columns:1fr}.hero-copy{padding:56px 0 38px}.hero-art{min-height:360px;margin:0 -20px}.hero-art:after{background:linear-gradient(0deg,var(--dark),transparent 60%)}.featured-grid{grid-template-columns:1fr 1fr}.featured-grid .feature-card:first-child{grid-column:1/-1}.content-ledger,.page-hero-grid,.guide-layout{grid-template-columns:1fr}.editor-note,.guide-aside{position:static}.related-links ul{grid-template-columns:1fr 1fr}.mini-index{grid-template-columns:1fr 1fr}}
@media (max-width:768px){.container{width:min(100% - 28px,var(--max))}.header-inner{min-height:70px}.brand small{display:none}.site-nav{top:70px;left:14px;right:14px}.site-nav.open{display:grid;grid-template-columns:1fr 1fr}.site-nav a{border-radius:10px}.search-open{padding:8px 10px}.hero h1,.page-hero h1{font-size:42px}.hero .container{min-height:0}.hero-stats{grid-template-columns:1fr}.hero-art{min-height:280px}.section{padding:56px 0}.section-heading{grid-template-columns:1fr;gap:12px}.featured-grid,.topic-index,.related-links ul,.two-column-prose{grid-template-columns:1fr}.featured-grid .feature-card:first-child{grid-column:auto}.topic-index a:nth-child(odd){border-right:0}.ledger-row{grid-template-columns:52px 1fr}.ledger-row a{grid-column:2}.split-band{grid-template-columns:1fr}.split-band .copy{padding:30px}.split-band img{min-height:240px}.page-hero{padding:40px 0 30px}.page-hero-grid{gap:26px}.page-hero img{aspect-ratio:16/9}.dense-item{padding:28px 0}.dense-item h3{font-size:24px}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{flex-direction:column}.mini-index{grid-template-columns:1fr}.search-dialog{padding:28px 20px}.search-row{flex-direction:column}.error-code{font-size:78px}.error-page h1{font-size:34px}}
@media (max-width:600px){.brand img{width:40px;height:40px}.brand strong{font-size:16px}.hero-copy{padding-top:44px}.hero h1{font-size:36px}.hero p,.page-hero p{font-size:16px}.hero-actions{flex-direction:column;align-items:stretch}.btn{width:100%}.section-heading h2{font-size:30px}.split-band h2{font-size:30px}.page-hero h1{font-size:36px}.menu-toggle{font-size:13px;padding:8px 10px}.search-open{font-size:13px}.site-nav.open{grid-template-columns:1fr}.dense-meta{flex-wrap:wrap}.related-links h2{font-size:28px}.quote-band{font-size:19px}.back-top{right:14px;bottom:14px}}
@media (max-width:375px){.container{width:calc(100% - 22px)}.header-inner{gap:8px}.brand span{display:none}.search-open{padding-inline:8px}.hero h1,.page-hero h1{font-size:32px}.hero-art{margin:0 -11px}.section{padding:46px 0}.feature-card-body{padding:18px}.dense-item h3{font-size:22px}}