:root{--bg:#f5f7fb;--surface:#fff;--text:#101522;--muted:#687083;--line:#e6eaf1;--blue:#2478ff;--cyan:#41d7ff;--shadow:0 14px 36px rgba(24,42,80,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid color-mix(in srgb,var(--line) 78%,transparent)}.nav-wrap{height:72px;display:flex;align-items:center;gap:30px;position:relative}.brand{display:flex;align-items:center;gap:10px}.brand-copy strong{display:block;font-size:18px;line-height:1.05}.brand-copy small{display:block;margin-top:3px;font-size:8.5px;letter-spacing:2.15px;color:var(--muted)}.logo-mark{width:44px;height:44px;display:grid;place-items:center;filter:drop-shadow(0 6px 10px rgba(45,105,180,.17))}.logo-mark svg{display:block;width:100%;height:100%}.desktop-nav{display:flex;gap:28px;margin-left:auto}.desktop-nav a{font-size:14px;color:var(--muted)}.desktop-nav a.active,.desktop-nav a:hover{color:var(--text)}.actions{display:flex;gap:8px}.actions button,.search-top button{border:1px solid var(--line);background:var(--surface);color:var(--text);width:38px;height:38px;border-radius:12px;font-size:18px;cursor:pointer}.actions button:hover{transform:translateY(-1px)}.menu{display:none}.menu-panel{position:absolute;right:0;top:62px;width:210px;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 45px rgba(17,31,61,.16)}.menu-panel a{display:block;padding:11px 12px;border-radius:10px;font-size:14px;color:var(--muted)}.menu-panel a:hover{background:var(--bg);color:var(--text)}.promo{margin-top:34px;padding:22px 24px;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;background:linear-gradient(135deg,color-mix(in srgb,var(--surface) 94%,#d9ecff),var(--surface));border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.promo>span,.tag,.chips span{font-size:12px;color:var(--blue);background:color-mix(in srgb,var(--blue) 10%,transparent);padding:5px 9px;border-radius:999px}.promo b{font-size:17px}.promo p{margin:2px 0 0;color:var(--muted);font-size:14px}.promo>a{font-size:14px;color:var(--blue)}.section{padding:56px 0 6px}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:22px}.section-head h1{font-size:32px;margin:2px 0 0;letter-spacing:-.8px}.section-head p{color:var(--muted);font-size:13px}.eyebrow{font-size:11px;letter-spacing:2.4px;color:var(--blue);font-weight:700}.featured-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);transition:.2s transform}.feature-card:hover{transform:translateY(-3px)}.cover{height:190px;display:flex;align-items:flex-end;padding:18px;color:#fff;font-size:26px;font-weight:800;background:linear-gradient(135deg,#112f5a,#2478ff 62%,#61d9ff)}.c2{background:linear-gradient(135deg,#1a2135,#4e6ca9 58%,#8aa7ff)}.c3{background:linear-gradient(135deg,#161d29,#46667e 58%,#57c8cf)}.card-body{padding:20px}.card-body h2,.row h2{margin:12px 0 8px;font-size:20px;line-height:1.35;letter-spacing:-.3px}.card-body p,.row p{margin:0;color:var(--muted);font-size:14px}.meta{margin-top:15px;color:var(--muted);font-size:12px}.article-list{border-top:1px solid var(--line)}.row{display:grid;grid-template-columns:220px 1fr;gap:26px;padding:26px 0;border-bottom:1px solid var(--line)}.thumb{height:132px;border-radius:20px;display:grid;place-items:center;color:#fff;font-size:28px;font-weight:800;background:linear-gradient(135deg,#173a6a,#4395ff)}.t2{background:linear-gradient(135deg,#2d3350,#6f8fd7)}.t3{background:linear-gradient(135deg,#243542,#4c8798)}.chips{display:flex;gap:7px}.row h2{font-size:22px}.load{display:block;margin:30px auto 44px;border:1px solid var(--line);background:var(--surface);color:var(--text);padding:12px 22px;border-radius:13px}footer{border-top:1px solid var(--line);background:var(--surface)}.foot{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:10px 0}.mini{gap:8px}.mini .logo-mark{width:28px;height:28px;color:#5b8fc7;filter:none}.mini .brand-copy strong{font-size:14px}.mini .brand-copy small{font-size:7px;letter-spacing:1.55px}.foot p{max-width:650px;color:var(--muted);font-size:11px;line-height:1.45;text-align:right;margin:0}.search-overlay{position:fixed;inset:0;z-index:50;background:rgba(8,12,20,.36);padding-top:12vh}.search-box{width:min(680px,calc(100% - 32px));margin:auto;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 30px 80px rgba(0,0,0,.2)}.search-top{display:flex;justify-content:space-between;align-items:center}.search-box input{width:100%;margin-top:18px;border:1px solid var(--line);border-radius:14px;padding:15px 16px;background:var(--bg);color:var(--text);font-size:16px;outline:none}.search-box p{font-size:12px;color:var(--muted);margin-bottom:0}body.dark{--bg:#0b1019;--surface:#111826;--text:#f3f7ff;--muted:#8f9bae;--line:#202b3d;--shadow:0 16px 40px rgba(0,0,0,.24)}@media(max-width:760px){.wrap{width:min(100% - 28px,1180px)}.nav-wrap{height:66px}.logo-mark{width:40px;height:40px}.desktop-nav{display:none}.actions{margin-left:auto}.menu{display:block}.menu-panel{right:0;top:58px;width:min(240px,calc(100vw - 28px))}.promo{grid-template-columns:auto 1fr;padding:18px}.promo>a{display:none}.featured-grid{grid-template-columns:1fr}.cover{height:170px}.section{padding-top:42px}.section-head h1{font-size:27px}.row{grid-template-columns:118px 1fr;gap:16px;padding:20px 0}.thumb{height:96px;border-radius:16px;font-size:20px}.row h2{font-size:17px;margin-top:8px}.row p{display:none}.load{margin-bottom:28px}.foot{min-height:0;padding:12px 0;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:12px}.mini .logo-mark{width:24px;height:24px}.mini .brand-copy strong{font-size:13px}.mini .brand-copy small{font-size:6.5px}.foot p{text-align:right;font-size:10px;line-height:1.35}.brand-copy strong{font-size:16px}}
/* 2026-09-06: selected Scheme C logo + compact footer */
.logo-img{width:44px;height:44px;border-radius:12px;display:block;object-fit:cover;box-shadow:0 5px 14px rgba(12,28,52,.12)}
.mini .logo-img{width:22px;height:22px;border-radius:7px;box-shadow:none}
.foot{min-height:46px;padding:5px 0;gap:14px}
.mini{gap:6px}.mini .brand-copy strong{font-size:12px}.mini .brand-copy small{font-size:5.5px;letter-spacing:1.15px;margin-top:1px}
.foot p{font-size:9px;line-height:1.25;max-width:700px}
@media(max-width:760px){.foot{padding:6px 0;gap:8px;grid-template-columns:auto 1fr}.mini .logo-img{width:20px;height:20px;border-radius:6px}.mini .brand-copy strong{font-size:11px}.mini .brand-copy small{font-size:5px;letter-spacing:1px}.foot p{font-size:8.5px;line-height:1.2}}

/* compact brand/footer override */
.brand{gap:0}
.brand-copy strong{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;font-weight:700;letter-spacing:-.7px;font-size:17px;line-height:1}
.brand-copy small{margin-top:2px;font-size:7.5px;letter-spacing:1.8px}
.foot{min-height:34px;padding:3px 0;gap:12px}
.mini .brand-copy strong{font-size:11px;letter-spacing:-.35px}
.mini .brand-copy small{font-size:5.5px;letter-spacing:1.2px;margin-top:1px}
.foot p{font-size:9px;line-height:1.2;max-width:760px}
@media(max-width:760px){.foot{padding:3px 0;min-height:32px;gap:8px}.mini .brand-copy small{display:none}.foot p{font-size:8.5px;line-height:1.15}.brand-copy strong{font-size:15px}}

/* remove logo and footer */
.logo-mark,footer,.foot,.mini{display:none!important;height:0!important;min-height:0!important;padding:0!important;margin:0!important;border:0!important}.brand{gap:0!important}

/* featured-mobile-carousel-v1 */
.brand-copy strong{font-family:ui-rounded,"SF Pro Rounded","Arial Rounded MT Bold","Yuanti SC","STYuanti-SC-Regular","PingFang SC",sans-serif;font-weight:700;letter-spacing:-.055em}
.feature-card{position:relative;isolation:isolate}.feature-card::after{content:"";position:absolute;inset:-35% -55%;pointer-events:none;background:linear-gradient(115deg,transparent 42%,rgba(255,255,255,.26) 49%,transparent 56%);transform:translateX(-42%);opacity:0;transition:transform .65s ease,opacity .2s ease}.feature-card:hover::after{transform:translateX(42%);opacity:1}.cover{transition:transform .28s ease}.feature-card:hover .cover{transform:scale(1.025)}.carousel-dots{display:none}
@media(max-width:760px){.featured-grid{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-left:0;padding:2px 12vw 8px 0;margin-right:-14px;-webkit-overflow-scrolling:touch;scrollbar-width:none}.featured-grid::-webkit-scrollbar{display:none}.feature-card{flex:0 0 84%;scroll-snap-align:start;border-radius:20px;box-shadow:0 10px 26px rgba(24,42,80,.08)}.feature-card:active{transform:scale(.985)}.feature-card:hover{transform:none}.cover{height:132px}.card-body{padding:15px 16px 14px}.card-body h2{font-size:17px;margin:9px 0 6px}.card-body p{font-size:12.5px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.meta{margin-top:10px;font-size:11px}.carousel-dots{display:flex;justify-content:center;gap:7px;margin-top:9px}.carousel-dots button{width:6px;height:6px;padding:0;border:0;border-radius:999px;background:var(--line);transition:.2s;appearance:none}.carousel-dots button.active{width:18px;background:var(--blue)}}

/* brand-round-font-v2 */
.brand-copy strong{font-family:"Yuanti SC","STYuanti-SC-Regular","Hannotate SC","PingFang SC",sans-serif!important;font-weight:700!important;letter-spacing:-.06em!important}

/* dynamic-public-v1 */
.feature-card,.article-list .row{color:inherit;text-decoration:none}
.feature-card img.cover,.article-list img.thumb{display:block;object-fit:cover;width:100%}.feature-card img.cover{padding:0;background:none}
.category-hero{padding-top:46px;padding-bottom:8px}
.category-list{padding-top:8px}
.empty-state{padding:42px 0;color:var(--muted);text-align:center}
.article-page{padding-top:56px;padding-bottom:80px}
.article-shell{width:min(820px,100%);margin:0 auto}
.article-kicker a{color:var(--accent);font-size:13px;font-weight:700;text-decoration:none}
.article-shell>h1{font-size:clamp(34px,5vw,58px);line-height:1.08;letter-spacing:-.045em;margin:14px 0 16px}
.article-lead{font-size:19px;line-height:1.75;color:var(--muted);margin:0 0 14px}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:28px}
.article-cover{width:100%;max-height:520px;object-fit:cover;border-radius:24px;margin:8px 0 30px}
.article-content{font-size:17px;line-height:1.9}
.article-content h2{font-size:28px;margin:42px 0 14px}.article-content h3{font-size:22px;margin:32px 0 12px}
.article-content img{max-width:100%;height:auto;border-radius:16px}.article-content pre{overflow:auto;padding:16px;border-radius:14px;background:#111827;color:#e5e7eb}
.article-content blockquote{margin:24px 0;padding:14px 18px;border-left:4px solid var(--accent);background:var(--card);border-radius:0 14px 14px 0}
.resource-card{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:34px;padding:18px 20px;border:1px solid var(--line);border-radius:18px;background:var(--card)}
.resource-card div{display:grid;gap:5px}.resource-card span{font-size:12px;color:var(--muted)}.resource-card a{padding:9px 13px;border-radius:10px;background:var(--accent);color:#fff;text-decoration:none;white-space:nowrap}
.related{width:min(820px,100%);margin:46px auto 0}.panel-lite{max-width:760px;font-size:17px;line-height:1.9;color:var(--muted)}
@media(max-width:760px){.article-page{padding-top:34px}.article-shell>h1{font-size:34px}.article-lead{font-size:17px}.article-content{font-size:16px}.resource-card{align-items:flex-start;flex-direction:column}.resource-card a{width:100%;text-align:center}.category-hero{padding-top:34px}}
.article-topline{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.article-category-badge,.featured-badge{display:inline-flex;align-items:center;gap:7px;width:max-content;padding:7px 12px;border-radius:999px;font-size:13px;font-weight:700}.article-category-badge{color:#2478ff;background:rgba(36,120,255,.10);border:1px solid rgba(36,120,255,.15)}.featured-badge{color:#ef476f;background:rgba(239,71,111,.09)}.article-cover{aspect-ratio:16/9;max-height:none;object-fit:cover;border-radius:22px;box-shadow:var(--shadow)}.article-content table{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;overflow:hidden;border:1px solid var(--line);border-radius:14px;font-size:14px}.article-content th,.article-content td{padding:11px 12px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:left}.article-content th:last-child,.article-content td:last-child{border-right:0}.article-content tr:last-child td{border-bottom:0}.article-content th{background:rgba(36,120,255,.06);font-weight:700}@media(max-width:760px){.article-category-badge,.featured-badge{font-size:12px;padding:6px 10px}.article-cover{border-radius:18px;margin:4px 0 24px}.article-content table{display:block;overflow-x:auto;white-space:nowrap}}
/* article-template-v3: fixed house style */
.article-page{padding-top:42px;padding-bottom:80px}.article-shell{width:min(880px,100%);margin:0 auto}.article-hero-card{overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:28px;box-shadow:0 18px 48px rgba(24,42,80,.09)}.article-cover{display:block;width:100%;aspect-ratio:16/8.7;object-fit:cover;margin:0;border-radius:0;box-shadow:none}.article-hero-body{padding:28px 30px 30px}.article-topline{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 18px}.article-category-badge,.featured-badge{display:inline-flex;align-items:center;gap:7px;width:max-content;padding:8px 13px;border-radius:999px;font-size:13px;font-weight:700}.article-category-badge{color:#2478ff;background:rgba(36,120,255,.10);border:1px solid rgba(36,120,255,.12)}.featured-badge{color:#ef476f;background:rgba(239,71,111,.09)}.article-hero-body h1{font-size:clamp(34px,5vw,54px);line-height:1.1;letter-spacing:-.045em;margin:0 0 16px}.article-lead{font-size:19px;line-height:1.72;color:var(--muted);margin:0 0 20px}.article-meta-row{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);font-size:13px}.article-tags{display:block;max-width:62%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.article-content{width:min(820px,calc(100% - 24px));margin:42px auto 0;font-size:17px;line-height:1.92}.article-content h2{font-size:28px;margin:44px 0 14px}.article-content h3{font-size:22px;margin:32px 0 12px}.article-content blockquote{margin:26px 0;padding:16px 18px;border-left:0;border-radius:16px;background:linear-gradient(135deg,rgba(36,120,255,.08),rgba(36,120,255,.03));box-shadow:inset 4px 0 #2478ff}.article-content table{width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;overflow:hidden;border:1px solid var(--line);border-radius:16px;font-size:14px}.article-content th,.article-content td{padding:12px 13px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:left}.article-content th:last-child,.article-content td:last-child{border-right:0}.article-content tr:last-child td{border-bottom:0}.article-content th{background:rgba(36,120,255,.06);font-weight:700}
@media(max-width:760px){.article-page{padding-top:24px}.article-shell{width:100%}.article-hero-card{border-radius:22px}.article-cover{aspect-ratio:16/9}.article-hero-body{padding:20px 18px 22px}.article-topline{margin-bottom:14px}.article-category-badge,.featured-badge{font-size:12px;padding:6px 10px}.article-hero-body h1{font-size:34px;line-height:1.12;margin-bottom:14px}.article-lead{font-size:16px;line-height:1.7;margin-bottom:18px}.article-meta-row{align-items:flex-start;flex-direction:column;gap:8px}.article-tags{max-width:100%;white-space:normal}.article-content{width:100%;margin-top:34px;font-size:16px}.article-content table{display:block;overflow-x:auto;white-space:nowrap}.resource-card{margin-left:0;margin-right:0}}