:root{
  --brand:#B9473F;--amber:#D89A45;--ink:#1E2026;--paper:#F7F4EF;--paper-2:#EEE9E2;
  --text:#2B2D31;--muted:#6F706F;--accent:#E06A3B;--line:#D8D2C9;--white:#fff;
  --radius:18px;--shadow:0 14px 40px rgba(30,32,38,.08);--container:min(1180px,calc(100% - 40px))
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}button,input{font:inherit}button{cursor:pointer}.container{width:var(--container);margin-inline:auto}
.skip-link{position:fixed;left:12px;top:-80px;z-index:9999;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}
.utility-bar{background:#15171b;color:#dad6d0;font-size:13px}.utility-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}.utility-links{display:flex;gap:18px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(247,244,239,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(216,210,201,.9)}
.header-main{min-height:78px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.02em}.brand img{width:36px;height:36px;object-fit:contain}
.primary-nav{display:flex;justify-content:center;gap:6px;min-width:0}.nav-link{display:inline-flex;padding:9px 11px;border-radius:10px;font-size:15px;color:#47494e;white-space:nowrap}.nav-link:hover,.nav-link.is-active{background:var(--paper-2);color:var(--brand);text-decoration:none}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;padding:8px 12px;border-radius:10px}.search-open{border:1px solid var(--ink);background:var(--ink);color:#fff;padding:9px 15px;border-radius:10px}.site-main{min-height:60vh}
.hero{background:var(--ink);color:#f8f5f0;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center;padding:72px 0}.eyebrow{display:inline-block;margin:0 0 12px;color:var(--amber);font-weight:800;letter-spacing:.12em;font-size:13px}
.hero h1,.page-hero h1{font-size:clamp(38px,5.4vw,70px);line-height:1.06;margin:0 0 20px;letter-spacing:-.035em}.hero .lead,.page-hero .lead{font-size:18px;max-width:760px;color:#d6d2cb}.hero-visual{position:relative}.hero-visual img{border-radius:26px;aspect-ratio:4/3;object-fit:cover;box-shadow:0 24px 70px rgba(0,0,0,.28)}
.hero-note{position:absolute;right:-18px;bottom:24px;max-width:260px;background:var(--paper);color:var(--text);padding:18px;border-radius:16px;box-shadow:var(--shadow)}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 17px;border-radius:12px;border:1px solid transparent;font-weight:760;text-decoration:none}.button:hover{text-decoration:none;transform:translateY(-1px)}.button.primary{background:var(--accent);color:#fff}.button.secondary{border-color:#b9b2a8;background:transparent;color:inherit}.hero .button.secondary{border-color:#6e6f73;color:#fff}
.section{padding:68px 0;border-bottom:1px solid var(--line)}.section.compact{padding:46px 0}.section.dark{background:var(--ink);color:#f1eee9}.section.alt{background:var(--paper-2)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:30px}.section-heading h2{font-size:clamp(28px,3.5vw,44px);line-height:1.15;margin:0}.section-heading p{margin:0;max-width:620px;color:var(--muted)}.dark .section-heading p{color:#c1bdb6}
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;min-height:205px;display:flex;flex-direction:column}.topic-card .kicker{color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.08em}.topic-card h3{font-size:21px;line-height:1.25;margin:8px 0 9px}.topic-card p{margin:0 0 18px;color:var(--muted)}.topic-card a{margin-top:auto;font-weight:800;color:var(--brand)}
.story-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}.feature-panel{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.feature-panel img{width:100%;aspect-ratio:16/8;object-fit:cover}.feature-copy{padding:26px}.feature-copy h3{font-size:28px;line-height:1.2;margin:4px 0 10px}.feature-copy p{color:var(--muted)}
.editor-list{display:grid;gap:12px}.editor-item{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}.editor-item:last-child{border-bottom:0}.editor-index{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-weight:800}.editor-item h3{font-size:18px;margin:0 0 4px}.editor-item p{margin:0;color:var(--muted)}
.tag-strip{display:flex;flex-wrap:wrap;gap:10px}.tag-strip a,.tag{display:inline-flex;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:14px}.notice-band{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;background:var(--brand);color:#fff;border-radius:24px;padding:28px}.notice-band h2{margin:0 0 5px}.notice-band p{margin:0;max-width:760px;color:#f7dedb}.notice-band .button{background:#fff;color:var(--brand)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px}.prose-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px}.prose-card h3{font-size:22px;margin-top:0}.prose-card p:last-child{margin-bottom:0}
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.article-card img{aspect-ratio:16/9;width:100%;object-fit:cover}.article-card .body{padding:20px;display:flex;flex-direction:column;flex:1}.article-card h3{font-size:20px;line-height:1.32;margin:4px 0 8px}.article-card p{color:var(--muted);margin:0 0 16px}.article-card .meta{font-size:13px;color:var(--brand);font-weight:800}.article-card .read{margin-top:auto;font-weight:800;color:var(--brand)}
.page-hero{background:var(--ink);color:#fff;padding:58px 0}.page-hero-grid{display:grid;grid-template-columns:1fr 360px;gap:46px;align-items:center}.page-hero img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:22px}
.breadcrumbs{padding:18px 0 4px;font-size:14px;color:var(--muted)}.breadcrumbs ol{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0;gap:8px}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#aaa49b}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px;align-items:start}.content-main{min-width:0}.content-main h2{font-size:31px;line-height:1.2;margin-top:48px}.content-main h3{font-size:22px;margin-top:30px}.content-main p{font-size:17px}.content-main ul,.content-main ol{padding-left:1.3em}
.aside{position:sticky;top:128px;display:grid;gap:18px}.aside-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.aside-box h2,.aside-box h3{font-size:18px;margin:0 0 10px}.aside-box ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}.aside-box a{color:var(--brand)}
.steps{counter-reset:step;display:grid;gap:14px}.step{display:grid;grid-template-columns:48px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.step::before{counter-increment:step;content:counter(step);width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:800}.step h3{margin:0 0 6px}
.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}.faq-question{width:100%;border:0;background:#fff;text-align:left;padding:18px 52px 18px 20px;font-weight:800;position:relative}.faq-question::after{content:"+";position:absolute;right:20px;font-size:24px;line-height:1}.faq-item.is-open .faq-question::after{content:"–"}.faq-answer{padding:0 20px 20px;color:var(--muted)}.faq-answer[hidden]{display:none}
.search-modal{position:fixed;inset:0;z-index:1000;background:rgba(15,16,18,.72);display:grid;place-items:start center;padding:10vh 20px 40px}.search-modal[hidden]{display:none !important}.search-dialog{position:relative;width:min(720px,100%);background:var(--paper);border-radius:22px;padding:30px;box-shadow:0 32px 90px rgba(0,0,0,.35)}.search-close{position:absolute;right:18px;top:16px;width:40px;height:40px;border:0;border-radius:50%;background:var(--paper-2);font-size:26px}.search-form label{display:block;font-weight:800;margin-bottom:8px}.search-row{display:grid;grid-template-columns:1fr auto;gap:10px}.search-row input{min-width:0;border:1px solid #aaa49b;background:#fff;border-radius:10px;padding:11px 13px}
.search-results{display:grid;gap:14px}.search-result{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.search-result h2{font-size:22px;margin:0 0 7px}.search-result p{margin:0 0 10px;color:var(--muted)}.empty-state{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
.article-head{padding:44px 0 24px}.article-head h1{font-size:clamp(36px,5vw,60px);line-height:1.08;margin:10px 0 14px}.article-meta{display:flex;flex-wrap:wrap;gap:8px 16px;color:var(--muted);font-size:14px}.article-body{max-width:820px}.article-body .lead{font-size:20px;color:#4b4d51}.article-body p{font-size:18px;margin:1.2em 0}.article-image{margin:28px 0;border-radius:22px;overflow:hidden}.article-image img{width:100%;aspect-ratio:16/8;object-fit:cover}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.related a{background:#fff;border:1px solid var(--line);padding:18px;border-radius:14px;font-weight:750}
.error-panel{margin:70px auto;max-width:760px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:44px}.error-panel h1{font-size:46px;line-height:1.08}.site-footer{background:#15171b;color:#ddd8d1;margin-top:0}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px;padding:58px 0}.site-footer h2{font-size:17px;color:#fff;margin:0 0 14px}.site-footer p{color:#aaa8a4}.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.site-footer a:hover{color:#fff}.footer-brand-link{color:var(--amber);font-weight:700}.footer-bottom{border-top:1px solid #2b2e34;min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;color:#aaa8a4}.back-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border:0;border-radius:50%;background:var(--brand);color:#fff;font-size:20px;box-shadow:var(--shadow)}
@media (max-width:1100px){.header-main{grid-template-columns:auto auto auto}.primary-nav{position:absolute;left:20px;right:20px;top:116px;display:none;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow)}.primary-nav.is-open{display:flex}.menu-toggle{display:inline-flex;justify-self:end}.search-open{justify-self:end}.topic-grid{grid-template-columns:repeat(2,1fr)}.article-list{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid section:last-child{grid-column:2/4}}
@media (max-width:820px){:root{--container:min(100% - 30px,1180px)}.utility-bar{display:none}.header-main{min-height:70px;gap:10px}.primary-nav{top:70px}.hero-grid,.story-layout,.split,.content-layout,.page-hero-grid{grid-template-columns:1fr}.hero-grid{padding:52px 0}.hero-note{position:static;margin-top:12px;max-width:none}.page-hero-grid img{max-width:520px}.aside{position:static}.article-list,.related{grid-template-columns:1fr}.section{padding:52px 0}.section-heading{align-items:start;flex-direction:column;gap:10px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section:last-child{grid-column:auto}}
@media (max-width:600px){:root{--container:calc(100% - 24px)}.header-main{grid-template-columns:1fr auto auto}.brand span{display:none}.search-open{padding:8px 11px}.hero h1,.page-hero h1{font-size:38px}.topic-grid,.footer-grid{grid-template-columns:1fr}.notice-band{grid-template-columns:1fr}.search-row{grid-template-columns:1fr}.section-heading h2{font-size:30px}.feature-copy{padding:20px}.footer-bottom{align-items:flex-start;flex-direction:column;padding:20px 0}}
@media (max-width:380px){.menu-toggle,.search-open{font-size:13px;padding:7px 9px}.hero h1,.page-hero h1{font-size:34px}.button{width:100%}.button-row{flex-direction:column}}