:root{
  --bg:#f6f8fb;
  --surface:#ffffff;
  --surface-soft:#eef7f4;
  --text:#111827;
  --muted:#607080;
  --line:#dde5ee;
  --accent:#067a6f;
  --accent-strong:#075e56;
  --accent-soft:#dff3f0;
  --gold:#b98118;
  --shadow:0 18px 50px rgba(16,24,40,.08);
  --radius:8px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:linear-gradient(180deg,#ffffff 0,#f5f8fa 420px,var(--bg) 100%);color:var(--text);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;text-rendering:optimizeLegibility;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(160%) blur(16px);border-bottom:1px solid rgba(221,229,238,.9)}
.header-inner{max-width:var(--max);margin:0 auto;min-height:64px;padding:0 24px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;min-width:180px}
.brand-logo{display:block;width:180px;height:auto}
.site-nav{display:flex;align-items:center;gap:4px;flex:1}
.site-nav a{font-size:14px;color:#2f3b4a;padding:8px 10px;border-radius:6px;white-space:nowrap}
.site-nav a:hover,.site-nav a[aria-current=page]{background:var(--accent-soft);color:var(--accent-strong)}
.header-search{display:flex;align-items:center;gap:8px;width:224px}
.header-search input,.hero-search input,.large-search input{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);font:inherit;min-height:38px;padding:8px 12px;outline:none}
.header-search input{width:auto;min-width:0;flex:1}
.header-search input:focus,.hero-search input:focus,.large-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(6,122,111,.13)}
.header-search button,.hero-search button,.large-search button,.button-link{border:0;border-radius:8px;background:var(--accent);color:#fff;font-weight:800;font-size:14px;min-height:38px;padding:0 15px;cursor:pointer;white-space:nowrap}
.header-search button:hover,.hero-search button:hover,.large-search button:hover,.button-link:hover{background:var(--accent-strong)}
main{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.editorial-hero{display:grid;grid-template-columns:minmax(0,1.48fr) minmax(330px,.82fr);gap:22px;margin:30px 0 20px;align-items:stretch}
.lead-story{position:relative;display:block;min-height:520px;overflow:hidden;border-radius:8px;background:#101828;border:1px solid #162033;box-shadow:0 24px 70px rgba(16,24,40,.14)}
.lead-story img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.95)}
.lead-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,20,32,.92) 0%,rgba(8,20,32,.72) 42%,rgba(8,20,32,.18) 100%)}
.lead-copy{position:absolute;left:34px;right:34px;bottom:32px;max-width:700px;color:#fff}
.lead-copy>span{display:inline-flex;margin-bottom:16px;color:#a9f3e7;font-size:14px;font-weight:900}
.lead-copy h1{margin:0 0 14px;font-size:clamp(34px,4.8vw,64px);line-height:1.08;font-weight:900;letter-spacing:0;overflow-wrap:anywhere;word-break:break-word}
.lead-copy p{max-width:640px;margin:0 0 18px;color:#d8e4ee;font-size:17px;line-height:1.82}
.lead-copy small{color:#aebccd;font-size:14px}
.latest-panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px;box-shadow:var(--shadow)}
.latest-panel h2{margin:0 0 14px;font-size:23px;line-height:1.2}
.latest-list{display:grid;gap:12px}
.latest-list .compact-post{border:0;border-top:1px solid var(--line);border-radius:0;padding:14px 0 0;background:transparent}
.latest-list .compact-post:first-child{border-top:0;padding-top:0}
.topic-rail{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin:22px 0 38px;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.topic-rail a{display:grid;grid-template-columns:42px 1fr;grid-template-areas:"icon title" "icon desc";column-gap:12px;padding:18px 16px;border-right:1px solid var(--line);min-height:104px;align-items:center}
.topic-rail a:last-child{border-right:0}
.topic-rail span{grid-area:icon;width:42px;height:42px;border-radius:8px;background:var(--surface-soft);color:var(--accent);display:grid;place-items:center;font-weight:900}
.topic-rail strong{grid-area:title;font-size:17px;line-height:1.2}
.topic-rail small{grid-area:desc;color:var(--muted);font-size:13px;line-height:1.45;margin-top:5px}
.topic-rail a:hover{background:#fbfdfd}
.home-hero{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:42px;align-items:center;min-height:calc(100svh - 74px);padding:56px 0 48px}
.hero-copy h1{font-size:clamp(44px,7vw,92px);line-height:.96;margin:0 0 22px;font-weight:900;letter-spacing:0}
.hero-kicker{margin:0 0 18px;color:var(--accent);font-weight:800}
.hero-summary{max-width:620px;margin:0 0 28px;font-size:19px;color:#415162;line-height:1.8}
.hero-search,.large-search{display:flex;gap:10px;max-width:620px}
.hero-search input,.large-search input{min-height:52px;font-size:16px;padding:12px 15px}
.hero-search button,.large-search button{min-height:52px;padding:0 22px}
.hero-feature{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(220px,.8fr);gap:18px;align-items:stretch}
.featured-story,.compact-post,.article-card,.category-rail a{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.featured-story{display:flex;flex-direction:column;overflow:hidden;min-height:520px}
.featured-story img{width:100%;height:300px;object-fit:cover;background:#e9eef4}
.featured-story span{margin:24px 24px 8px;color:var(--accent);font-size:14px;font-weight:800}
.featured-story strong{margin:0 24px 12px;font-size:28px;line-height:1.25}
.featured-story small{margin:0 24px 24px;color:var(--muted);font-size:15px;line-height:1.7}
.hero-stack{display:grid;gap:14px}
.compact-post{display:grid;grid-template-columns:86px 1fr;gap:12px;padding:12px;align-items:center;box-shadow:none}
.compact-post img{width:86px;height:68px;object-fit:cover;border-radius:6px;background:#e9eef4}
.compact-post span,.article-card-body,.hero-copy,.hero-feature,.featured-story,.article-main,.article-content{min-width:0}
.compact-post strong{display:block;font-size:14px;line-height:1.45;overflow-wrap:anywhere;word-break:break-word}
.compact-post small{display:block;color:var(--muted);font-size:12px;margin-top:5px}
.category-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 48px}
.category-rail a{padding:20px;box-shadow:none;min-height:138px;transition:transform .2s ease,border-color .2s ease}
.category-rail a:hover{transform:translateY(-3px);border-color:rgba(6,122,111,.45)}
.category-rail strong{display:block;font-size:20px;margin-bottom:8px}
.category-rail span{display:block;color:var(--muted);font-size:14px;line-height:1.65}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin:0 0 22px}
.section-heading h2{margin:0;font-size:34px;line-height:1.2}
.section-heading p{margin:8px 0 0;color:var(--muted)}
.section-heading>a{color:var(--accent);font-weight:800}
.latest-section,.category-band,.related-section,.guide-section{padding:34px 0}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.featured-grid{grid-template-columns:repeat(4,1fr)}
.compact-grid{grid-template-columns:repeat(3,1fr)}
.article-card{overflow:hidden;box-shadow:none;transition:transform .2s ease,border-color .2s ease}
.article-card:hover{transform:translateY(-3px);border-color:rgba(6,122,111,.5)}
.article-card-media{display:block;aspect-ratio:16/10;background:#e9eef4;overflow:hidden}
.article-card-media img{width:100%;height:100%;object-fit:cover;display:block}
.article-card-body{padding:18px}
.article-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:10px}
.article-meta a{color:var(--accent);font-weight:800}
.article-card h2{font-size:20px;line-height:1.35;margin:0 0 10px;overflow-wrap:anywhere;word-break:break-word}
.article-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.article-card.horizontal{display:grid;grid-template-columns:280px 1fr;align-items:stretch}
.article-card.horizontal .article-card-media{aspect-ratio:auto;min-height:190px}
.article-shell{padding-top:18px}
.article-layout{max-width:1080px;margin:0 auto}
.article-header{width:100%;max-width:1040px;margin:0 auto;padding:20px 0 24px}
.article-kicker{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px;color:var(--muted);font-size:13px;line-height:1.45}
.article-kicker .article-meta{margin:0}
.article-kicker .article-meta::before{content:"";width:4px;height:4px;border-radius:999px;background:#a7b2bf;display:inline-block}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin:0}
.breadcrumb a{color:var(--accent);font-weight:700}
.article-header>.article-meta{margin-bottom:10px}
.article-header h1{max-width:100%;margin:0 0 10px;font-size:clamp(29px,2.35vw,34px);line-height:1.22;font-weight:900;letter-spacing:0;white-space:nowrap;overflow-wrap:normal;word-break:keep-all}
.article-header p{max-width:820px;margin:0;color:#455568;font-size:16px;line-height:1.76;overflow-wrap:anywhere}
.mobile-break{display:none}
.article-hero-image{display:block;width:100%;max-width:960px;max-height:500px;object-fit:contain;border-radius:8px;margin:20px auto 0;background:#fff;border:1px solid var(--line)}
.article-main{display:grid;grid-template-columns:minmax(0,740px) 280px;gap:42px;align-items:start}
.article-content{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:38px;box-shadow:var(--shadow)}
.article-content>:first-child{margin-top:0}
.article-content p{margin:18px 0;color:#263241;font-size:17px;line-height:1.92}
.article-content h2{font-size:30px;line-height:1.28;margin:44px 0 16px;padding-top:8px}
.article-content h3{font-size:23px;line-height:1.35;margin:32px 0 12px}
.article-content ul,.article-content ol{padding-left:1.4em;margin:18px 0}
.article-content li{margin:8px 0}
.article-content a{color:var(--accent);font-weight:700;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;overflow-wrap:anywhere}
.article-content figure{margin:28px 0}
.article-content figure a{display:block}
.article-content img{display:block;width:auto;max-width:100%;max-height:none;border-radius:8px;border:1px solid #e5eaf0;background:#f3f6f8;margin:0 auto}
.article-content figcaption{color:var(--muted);font-size:14px;text-align:center;margin-top:8px}
.article-content blockquote{margin:26px 0;padding:18px 22px;border-left:4px solid var(--accent);background:var(--surface-soft);color:#314154}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px;text-align:left}
.article-side{position:sticky;top:96px;display:grid;gap:16px}
.article-toc,.side-related{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px;box-shadow:none}
.article-toc strong,.side-related>strong{display:block;font-size:15px;margin-bottom:12px}
.article-toc nav{display:grid;gap:8px}
.article-toc a{display:block;color:#445466;font-size:14px;line-height:1.5;padding:4px 0}
.article-toc .toc-level-3{padding-left:14px;color:#6a7787}
.side-related{display:grid;gap:12px}
.side-related .compact-post{grid-template-columns:64px 1fr;padding:0;border:0;border-radius:0;background:transparent}
.side-related .compact-post img{width:64px;height:52px}
.faq-section{margin-top:42px;padding-top:30px;border-top:1px solid var(--line)}
.faq-section h2{margin-top:0}
.faq-section details{border:1px solid var(--line);border-radius:8px;padding:16px 18px;margin:12px 0;background:#fbfcfe}
.faq-section summary{cursor:pointer;font-weight:800}
.faq-section p{margin:10px 0 0;color:var(--muted)}
.archive-shell,.search-shell,.empty-shell{padding:32px 24px 58px}
.archive-header{max-width:820px;margin:0 auto 24px;text-align:left}
.archive-header h1{font-size:clamp(30px,4vw,46px);line-height:1.12;margin:0 0 10px;font-weight:900}
.archive-header p{font-size:16px;color:var(--muted);margin:0;line-height:1.7}
.article-list{max-width:960px;margin:0 auto;display:grid;gap:18px}
.search-results{max-width:900px;margin:0 auto}
.search-results .article-card{margin-bottom:16px}
.muted{color:var(--muted)}
.empty-actions{display:flex;gap:12px;margin-top:26px}
.button-link{display:inline-flex;align-items:center}
.button-link.secondary{background:#fff;color:var(--accent);border:1px solid var(--line)}
.site-footer{margin-top:50px;background:#101828;color:#d0d5dd}
.footer-inner{max-width:var(--max);margin:0 auto;padding:42px 24px;display:flex;justify-content:space-between;gap:30px}
.footer-brand{display:block;color:#fff;font-size:22px;font-weight:900;margin-bottom:10px}
.footer-inner p{max-width:560px;margin:0;color:#98a2b3}
.footer-inner nav{display:flex;gap:16px;flex-wrap:wrap;align-content:flex-start}
.footer-inner nav a{color:#eaecf0}
.reveal{opacity:1;transform:none;transition:opacity .35s ease,transform .35s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .article-card,.category-rail a{transition:none}
}
@media (max-width:1020px){
  .header-inner{flex-wrap:wrap;gap:14px;padding:14px 20px}
  .site-nav{order:3;width:100%;overflow-x:auto;padding-bottom:2px}
  .header-search{margin-left:auto}
  .editorial-hero{grid-template-columns:1fr;margin-top:22px}
  .lead-story{min-height:430px}
  .latest-list{grid-template-columns:repeat(2,1fr)}
  .topic-rail{grid-template-columns:repeat(2,1fr)}
  .topic-rail a{border-right:0;border-bottom:1px solid var(--line)}
  .topic-rail a:nth-last-child(-n+1){border-bottom:0}
  .home-hero{grid-template-columns:1fr;min-height:auto;padding-top:42px}
  .hero-feature{grid-template-columns:1fr}
  .featured-story{min-height:0}
  .category-rail,.article-grid,.compact-grid,.featured-grid{grid-template-columns:repeat(2,1fr)}
  .article-main{grid-template-columns:1fr}
  .article-side{position:static;grid-template-columns:1fr}
}
@media (max-width:720px){
  html,body{width:100%;max-width:100%;overflow-x:hidden}
  .header-inner,main{width:100%;max-width:100%;overflow-x:hidden}
  .editorial-hero,.lead-story,.latest-panel,.topic-rail,.guide-section,.category-band,.article-grid,.article-card,.article-layout,.article-main,.article-content{min-width:0;max-width:100%}
  main,.archive-shell,.search-shell,.empty-shell{padding-left:16px;padding-right:16px}
  .header-inner{gap:10px;padding:11px 16px}
  .brand{min-width:160px}
  .brand-logo{width:160px}
  .site-nav{gap:2px;margin:0 -16px;padding:0 16px 2px;scrollbar-width:none}
  .site-nav::-webkit-scrollbar{display:none}
  .site-nav a{font-size:14px;padding:8px 9px}
  .header-search{width:100%;order:2}
  .header-search button{padding:0 14px}
  .editorial-hero{gap:14px;margin-top:16px}
  .lead-story{min-height:430px;border-radius:8px}
  .lead-shade{background:linear-gradient(180deg,rgba(8,20,32,.08) 0%,rgba(8,20,32,.48) 45%,rgba(8,20,32,.94) 100%)}
  .lead-copy{left:20px;right:20px;bottom:22px}
  .lead-copy h1{font-size:26px;line-height:1.22;word-break:break-all}
  .lead-copy p{display:none}
  .latest-panel{padding:16px}
  .latest-list{grid-template-columns:1fr}
  .topic-rail{grid-template-columns:1fr;margin:18px 0 26px}
  .topic-rail a{min-height:88px;border-right:0;border-bottom:1px solid var(--line)}
  .topic-rail a:last-child{border-bottom:0}
  .home-hero{padding:30px 0 34px;gap:24px}
  .hero-copy h1{font-size:52px}
  .hero-summary,.article-header p{font-size:17px}
  .hero-search,.large-search{flex-direction:column}
  .hero-search button,.large-search button{width:100%}
  .featured-story img{height:220px}
  .featured-story strong{font-size:22px;overflow-wrap:anywhere;word-break:break-word}
  .category-rail,.article-grid,.compact-grid{grid-template-columns:1fr}
  .section-heading{display:block}
  .section-heading h2{font-size:28px}
  .article-card.horizontal{grid-template-columns:1fr}
  .article-card.horizontal .article-card-media{aspect-ratio:16/10;min-height:0}
  .article-shell{padding-top:20px}
  .article-layout,.article-header,.article-main{width:calc(100vw - 32px);max-width:calc(100vw - 32px)}
  .article-header{margin-left:0;margin-right:0}
  .article-header{padding-top:24px;padding-bottom:24px}
  .article-kicker{width:calc(100vw - 32px);max-width:calc(100vw - 32px);gap:7px;margin-bottom:10px;font-size:12.5px}
  .article-kicker .article-meta{gap:7px}
  .breadcrumb{gap:7px;font-size:12.5px;margin-bottom:0}
  .breadcrumb,.article-header .article-meta,.article-header h1,.article-header p{width:calc(100vw - 32px);max-width:calc(100vw - 32px)}
  .article-header h1{font-size:23px;line-height:1.34;margin-bottom:10px;white-space:normal;word-break:normal;overflow-wrap:anywhere}
  .article-header p{display:none}
  .mobile-break{display:inline}
  .article-hero-image{max-height:280px;margin-top:22px}
  .article-content{width:calc(100vw - 32px);max-width:calc(100vw - 32px);padding:24px 18px;overflow-wrap:anywhere;word-break:break-word}
  .article-content p{font-size:14.5px;line-height:1.9}
  .article-content p,.article-content li,.article-content h2,.article-content h3{overflow-wrap:anywhere;word-break:break-all}
  .article-content h2{font-size:25px}
  .article-content h3{font-size:21px}
  .article-toc{display:none}
  .article-card h2,.compact-post strong{word-break:break-all}
  .footer-inner{display:block}
  .footer-inner nav{margin-top:24px}
}
@media (max-width:420px){
  body{font-size:15px}
  .hero-copy h1{font-size:44px}
  .hero-summary{font-size:16px}
  .featured-story img{height:190px}
  .editorial-hero,.lead-story,.latest-panel,.latest-list,.topic-rail,.guide-section,.category-band,.article-grid,.article-card,.compact-post{width:358px;width:min(358px,calc(100dvw - 32px));max-width:358px;max-width:min(358px,calc(100dvw - 32px))}
  .lead-copy{left:18px;right:18px;max-width:calc(100% - 36px)}
  .lead-copy h1{font-size:24px;line-height:1.3}
  .article-layout,.article-header,.article-main,.article-kicker,.breadcrumb,.article-header .article-meta,.article-header h1,.article-header p,.article-hero-image,.article-content{width:358px;width:min(358px,calc(100dvw - 32px));max-width:358px;max-width:min(358px,calc(100dvw - 32px))}
  .article-header h1{font-size:24px}
  .article-content{margin-left:0;margin-right:0;border-left:1px solid var(--line);border-right:1px solid var(--line);border-radius:8px;padding:22px 16px}
  .compact-post{grid-template-columns:74px minmax(0,240px)}
  .compact-post img{width:74px;height:58px}
  .compact-post span{min-width:0;max-width:240px}
  .compact-post strong{font-size:13px;line-height:1.36;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .empty-actions{flex-direction:column}
  .button-link{justify-content:center}
}