/* roulang page: index */
:root{
  --brand:#1F5C8B;
  --brand-deep:#103A5C;
  --brand-soft:#E9F1F8;
  --accent:#E8A33D;
  --accent-2:#2FA3A0;
  --ink:#16202B;
  --ink-2:#4A5A6B;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#E3EAF2;
  --shadow-1:0 1px 2px rgba(16,58,92,.06), 0 8px 24px -12px rgba(16,58,92,.18);
  --shadow-2:0 2px 6px rgba(16,58,92,.08), 0 18px 40px -18px rgba(16,58,92,.22);
  --radius-poster:18px;
  --radius-card:14px;
  --radius-ctl:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.tnum{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:26px;font-weight:600;line-height:1.4;letter-spacing:.01em;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--accent)}
.section-desc{margin-top:10px;font-size:14px;color:var(--ink-2);max-width:760px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);font-weight:600;white-space:nowrap}
.link-more span,.link-more svg{transition:transform .2s ease-out}
.link-more:hover svg{transform:translateX(2px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-inner{height:64px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{position:relative;width:24px;height:24px;border-radius:7px;background:var(--brand);overflow:hidden;flex:none}
.brand-mark::before{content:"";position:absolute;left:5px;top:6px;width:14px;height:12px;border:2px solid #fff;border-bottom:none;border-radius:4px 4px 0 0}
.brand-mark::after{content:"";position:absolute;left:10.5px;top:13px;width:3px;height:9px;background:var(--accent);border-radius:1px}
.brand-text{font-size:16px;font-weight:600;letter-spacing:.01em;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{position:relative;padding:9px 12px;font-size:14px;color:var(--ink-2);border-radius:8px;transition:color .18s ease-out,background-color .18s ease-out}
.nav-link:hover{color:var(--ink);background:var(--brand-soft)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{position:relative;display:flex;align-items:center;width:240px;transition:width .2s ease-out}
.command-search .cs-icon{position:absolute;left:11px;width:16px;height:16px;color:var(--ink-2);pointer-events:none}
.command-search input{width:100%;height:40px;border:1px solid var(--line);border-radius:var(--radius-ctl);background:#fff;padding:0 46px 0 34px;font-size:13px;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.command-search input::placeholder{color:#93A3B3}
.command-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.command-search:focus-within{width:320px}
.cs-kbd{position:absolute;right:10px;font-size:11px;color:var(--ink-2);background:var(--brand-soft);border-radius:5px;padding:2px 6px;letter-spacing:.02em}
.icon-btn{width:36px;height:36px;display:grid;place-items:center;border-radius:var(--radius-ctl);color:var(--ink-2);background:transparent;transition:background-color .18s ease-out,color .18s ease-out}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--radius-ctl);place-items:center;color:var(--ink)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-ctl);font-size:15px;font-weight:600;transition:transform .18s ease-out,background-color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out,color .18s ease-out}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{padding:56px 0 80px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 68%)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:6px;padding:5px 12px}
.hero h1{margin-top:20px;font-size:42px;line-height:1.28;font-weight:600;letter-spacing:.01em}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{margin-top:18px;font-size:16px;color:var(--ink-2);max-width:520px}
.hero-actions{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{margin-top:40px;display:flex;gap:40px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px}
.hero-stat b{display:block;font-size:22px;font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-stat span{font-size:13px;color:var(--ink-2)}

.collage{position:relative;height:470px}
.collage-main,.collage-a,.collage-b,.collage-c{overflow:hidden;border-radius:var(--radius-poster);box-shadow:var(--shadow-2)}
.collage-main{position:absolute;left:0;top:0;width:76%;height:74%}
.collage-a{position:absolute;right:0;top:8%;width:36%;height:56%;z-index:2}
.collage-b{position:absolute;right:10%;bottom:0;width:32%;height:50%;z-index:3}
.collage-c{position:absolute;left:4%;bottom:6%;width:48%;height:30%;z-index:4}
.collage img{width:100%;height:100%;object-fit:cover}
.collage-strip{display:contents}

/* ---------- rail ---------- */
.rail-wrap{position:relative}
.rail-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 14px;scrollbar-width:thin}
.rail-track::-webkit-scrollbar{height:6px}
.rail-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.poster-card{flex:0 0 200px;scroll-snap-align:start}
.poster-thumb{position:relative;aspect-ratio:2/3;border-radius:var(--radius-card);overflow:hidden;background:var(--brand-soft)}
.poster-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease-out}
.poster-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,58,92,0) 38%,rgba(16,58,92,.88) 100%)}
.poster-thumb .badge{position:absolute;top:10px;right:10px;z-index:2}
.poster-body{position:absolute;left:12px;right:12px;bottom:12px;z-index:2;color:#fff}
.poster-body h3{font-size:14px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.poster-body p{margin-top:6px;font-size:12px;color:rgba(255,255,255,.82);font-variant-numeric:tabular-nums}
.poster-card:hover .poster-thumb img{transform:scale(1.04)}
.poster-card:hover{transform:translateY(-4px)}
.poster-card{transition:transform .2s ease-out}
.rail-nav{position:absolute;top:38%;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.92);box-shadow:var(--shadow-1);display:grid;place-items:center;color:var(--ink);z-index:5;transition:background-color .18s ease-out,color .18s ease-out}
.rail-nav:hover{background:var(--brand);color:#fff}
.rail-nav.prev{left:-14px}
.rail-nav.next{right:-14px}

/* ---------- badges & tags ---------- */
.badge{display:inline-flex;align-items:center;font-size:12px;line-height:1;padding:5px 9px;border-radius:6px;background:var(--brand-soft);color:var(--brand);font-weight:600;white-space:nowrap}
.badge-alt{background:rgba(47,163,160,.12);color:#1F7B79}
.badge-warm{background:rgba(232,163,61,.16);color:#96631A}
.tag{display:inline-flex;align-items:center;font-size:12px;padding:4px 12px;border-radius:999px;border:1px solid var(--line);color:var(--ink-2);background:#fff}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}

/* ---------- feature block ---------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.feature-main{overflow:hidden;border-radius:var(--radius-card);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.feature-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.feature-cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.feature-cover img{width:100%;height:100%;object-fit:cover}
.feature-cover .badge{position:absolute;left:14px;top:14px}
.feature-body{padding:22px 24px 26px}
.feature-body h3{font-size:20px;font-weight:600;line-height:1.5}
.feature-body p{margin-top:10px;font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-meta{margin-top:16px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--ink-2)}
.feature-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden}
.side-item{display:flex;gap:14px;padding:14px 18px;border-bottom:1px solid var(--line);align-items:center;transition:background-color .18s ease-out}
.side-item:last-child{border-bottom:0}
.side-item:hover{background:var(--brand-soft)}
.side-item:hover h4{color:var(--brand)}
.side-thumb{width:96px;height:64px;flex:none;border-radius:10px;overflow:hidden}
.side-thumb img{width:100%;height:100%;object-fit:cover}
.side-item h4{font-size:14px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease-out}
.side-meta{margin-top:6px;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.mini-grid{margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mini-card{padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.mini-card:hover h4{color:var(--brand)}
.mini-card h4{font-size:15px;font-weight:600;line-height:1.6;transition:color .18s ease-out}
.mini-card span{display:block;margin-top:10px;font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums}

/* ---------- two column lists ---------- */
.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:26px 26px 20px}
.panel h3{font-size:19px;font-weight:600;margin-bottom:6px}
.panel .panel-note{font-size:13px;color:var(--ink-2);margin-bottom:16px}
.line-item{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);transition:color .18s ease-out}
.line-item:last-child{border-bottom:0}
.line-item:hover .line-title{color:var(--brand)}
.line-item::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--accent-2);flex:none}
.line-title{font-size:15px;font-weight:500;transition:color .18s ease-out}
.line-item time{margin-left:auto;font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap}
.num-item{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}
.num-item:last-child{border-bottom:0}
.num-dot{width:26px;height:26px;flex:none;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}
.num-item:hover .line-title{color:var(--brand)}
.num-item time{margin-left:auto;font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap}

.entry-grid{margin-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.entry-card{border-radius:var(--radius-card);padding:28px 30px;transition:transform .2s ease-out,box-shadow .2s ease-out;display:block}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.entry-outline{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.entry-soft{background:var(--brand-soft);border:1px solid rgba(31,92,139,.16)}
.entry-card h3{font-size:19px;font-weight:600;display:flex;align-items:center;gap:10px}
.entry-card p{margin-top:12px;font-size:14px;color:var(--ink-2)}
.entry-card .entry-go{margin-top:18px;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.entry-card:hover .entry-go svg{transform:translateX(2px)}
.entry-card .entry-go svg{transition:transform .2s ease-out}

/* ---------- cms list ---------- */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cms-card{display:flex;flex-direction:column;padding:22px 22px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.cms-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.cms-card:hover h3{color:var(--brand)}
.cms-card h3{font-size:16px;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease-out}
.cms-card p{margin-top:10px;font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cms-foot{margin-top:20px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.empty-state{padding:52px 24px;text-align:center;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1)}
.empty-state svg{width:36px;height:36px;color:#9FB2C4;margin:0 auto 14px}
.empty-state p{font-size:14px;color:var(--ink-2);margin-bottom:18px}

/* ---------- faq ---------- */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:18px 2px;font-size:16px;font-weight:600;color:var(--ink);transition:color .18s ease-out}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;width:20px;height:20px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.faq-icon::before{left:2px;top:9px;width:16px;height:1.6px}
.faq-icon::after{top:2px;left:9px;width:1.6px;height:16px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-item.open .faq-q{color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a p{padding:0 40px 20px 2px;font-size:14px;line-height:1.9;color:var(--ink-2)}

/* ---------- cta ---------- */
.cta-strip{background:var(--brand-deep);border-radius:var(--radius-card);padding:40px 44px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;position:relative;overflow:hidden}
.cta-strip::before{content:"";position:absolute;left:0;top:28px;bottom:28px;width:4px;border-radius:2px;background:var(--accent)}
.cta-strip h2{color:#fff;font-size:26px;font-weight:600;line-height:1.45}
.cta-strip p{margin-top:12px;color:rgba(255,255,255,.76);font-size:14px;max-width:460px}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{flex:1 1 220px;height:48px;border-radius:var(--radius-ctl);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);color:#fff;padding:0 16px;font-size:14px;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.cta-form input::placeholder{color:rgba(255,255,255,.6)}
.cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(232,163,61,.22)}
.btn-accent{background:var(--accent);color:#3A2A0B;height:48px;border-radius:var(--radius-ctl);padding:0 24px;font-weight:600;transition:filter .18s ease-out,transform .18s ease-out}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px)}
.form-hint{margin-top:12px;font-size:12px;color:rgba(255,255,255,.62)}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--accent)}
.footer-brand .brand-mark::after{background:var(--brand-deep)}
.footer-brand span{color:#fff;font-weight:600;font-size:16px}
.site-footer p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.66)}
.site-footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px}
.site-footer li{margin-bottom:10px}
.site-footer a{font-size:13px;color:rgba(255,255,255,.72);transition:color .18s ease-out}
.site-footer a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.58)}

/* ---------- mobile drawer ---------- */
.mobile-drawer{display:none;position:fixed;inset:64px 0 0 0;background:#fff;z-index:55;padding:22px 20px 40px;overflow-y:auto}
.mobile-drawer.open{display:block}
.mobile-drawer .nav-link{display:block;padding:14px 4px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0}
.mobile-drawer .nav-link.active::after{display:none}
.mobile-drawer .command-search{width:100%;margin:20px 0 0}
.mobile-drawer .btn{margin-top:16px}

@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:34px}
  .collage{height:400px}
  .feature-grid{grid-template-columns:1fr}
  .cms-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-strip{grid-template-columns:1fr;padding:34px 30px}
  .command-search{display:none}
  .nav-links{display:none}
  .nav-toggle{display:grid}
}
@media (max-width:768px){
  .mini-grid{grid-template-columns:1fr}
  .dual-grid,.entry-grid{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 100%}
  .hero-stats{gap:28px}
  .rail-nav{display:none}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero{padding:32px 0 56px}
  .hero h1{font-size:29px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cms-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 32px}
  .collage{height:auto}
  .collage-main{position:static;width:100%;height:auto;aspect-ratio:16/10;margin-bottom:14px}
  .collage-strip{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
  .collage-a,.collage-b,.collage-c{position:static;width:150px;height:auto;aspect-ratio:2/3;flex:0 0 150px;scroll-snap-align:start}
  .feature-body{padding:18px 18px 22px}
  .panel{padding:22px 20px 16px}
  .cta-strip{padding:28px 22px}
  .cta-strip h2{font-size:22px}
}

/* roulang page: article */
:root{
  --brand:#1F5C8B;
  --brand-deep:#103A5C;
  --brand-soft:#E9F1F8;
  --accent:#E8A33D;
  --accent-2:#2FA3A0;
  --ink:#16202B;
  --ink-2:#4A5A6B;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#E3EAF2;
  --radius-poster:18px;
  --radius-card:14px;
  --radius-ctl:10px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(16,58,92,.06), 0 8px 24px -12px rgba(16,58,92,.18);
  --shadow-2:0 2px 6px rgba(16,58,92,.08), 0 18px 40px -18px rgba(16,58,92,.22);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:15px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.01em;color:var(--ink);white-space:nowrap}
.brand-mark{
  width:24px;height:24px;border-radius:7px;flex:none;position:relative;
  background:linear-gradient(135deg,var(--brand),var(--accent-2));
}
.brand-mark::after{
  content:"";position:absolute;left:7px;top:6px;width:10px;height:12px;background:#fff;
  clip-path:polygon(0 0,100% 0,100% 58%,50% 100%,0 58%);opacity:.95;
}
.brand-text{font-size:16px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;padding:8px 12px;font-size:14px;color:var(--ink-2);
  border-radius:8px;transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--ink);background:#F3F7FB}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  display:flex;align-items:center;gap:8px;height:40px;width:240px;padding:0 10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-ctl);
  transition:width var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.command-search:focus-within{width:320px;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.cs-icon{width:18px;height:18px;color:var(--ink-2);flex:none}
.command-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:13.5px;color:var(--ink);
}
.command-search input::placeholder{color:#93A3B4}
.cs-kbd{
  font-size:11px;color:var(--ink-2);border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;background:#F7F9FC;flex:none;
}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border:0;border-radius:var(--radius-ctl);background:#F3F7FB;color:var(--ink-2);
  cursor:pointer;transition:background var(--ease),color var(--ease),transform var(--ease);
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-ctl);border:1px solid transparent;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-sm{height:40px;padding:0 16px;font-size:13.5px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:none}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn:focus-visible,.icon-btn:focus-visible,.nav-link:focus-visible,.brand:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-accent{background:var(--accent);color:#22160A}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.nav-toggle{display:none;width:36px;height:36px;align-items:center;justify-content:center;border:0;border-radius:var(--radius-ctl);background:#F3F7FB;color:var(--ink-2);cursor:pointer}
.mobile-drawer{display:none}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 6px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);flex-wrap:nowrap;overflow:hidden}
.breadcrumb a{color:var(--ink-2);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B7C4D2}
.breadcrumb .current{color:var(--ink);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{padding:10px 0 26px;border-bottom:1px solid var(--line);margin-bottom:36px}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:3px 9px;border-radius:var(--radius-badge);background:var(--brand-soft);color:var(--brand);
}
.badge-teal{background:rgba(47,163,160,.12);color:#1E7C7A}
.article-head h1{font-size:34px;line-height:1.3;margin:16px 0 14px;max-width:880px}
.article-meta{display:flex;align-items:center;gap:18px;font-size:13px;color:var(--ink-2);flex-wrap:wrap}
.article-meta strong{color:var(--ink);font-weight:600}
.meta-dot{width:3px;height:3px;border-radius:50%;background:#C3D0DD}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;padding-bottom:72px}
.prose{max-width:760px;font-size:17px;line-height:1.9;color:#1D2937}
.prose h2{
  position:relative;font-size:24px;font-weight:600;margin:44px 0 16px;padding-left:14px;color:var(--ink);
}
.prose h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--accent);
}
.prose h3{font-size:19px;font-weight:600;margin:30px 0 12px;color:var(--ink)}
.prose p{margin:0 0 1.2em}
.prose strong{color:var(--ink)}
.prose a{color:var(--brand);border-bottom:1px solid rgba(31,92,139,.28);transition:border-color var(--ease)}
.prose a:hover{border-bottom-color:var(--brand)}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:0}
.prose ul li{position:relative;padding-left:20px;margin-bottom:10px}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent-2);
}
.prose ol{counter-reset:li;padding-left:0}
.prose ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:li}
.prose ol li::before{
  content:counter(li);position:absolute;left:0;top:.28em;width:20px;height:20px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;
  background:var(--brand-soft);color:var(--brand);
}
.prose blockquote{
  margin:26px 0;padding:16px 22px;background:var(--brand-soft);
  border-left:3px solid var(--brand);border-radius:10px;color:var(--ink-2);font-size:15.5px;
}
.prose img{border-radius:12px;margin:26px 0;width:100%}
.prose figure{margin:26px 0}
.prose figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose th{background:#F3F7FB;font-weight:600}
.article-empty{
  max-width:760px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:48px 32px;text-align:center;
}
.article-empty svg{width:32px;height:32px;color:var(--brand);margin:0 auto 14px}
.article-empty p{color:var(--ink-2);font-size:15px;margin-bottom:20px}

/* ---------- aside ---------- */
.aside-stack{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-1);
}
.aside-card h3{font-size:15px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--accent)}
.aside-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.6}
.aside-list li:last-child{border-bottom:0;padding-bottom:0}
.aside-num{
  flex:none;width:20px;height:20px;border-radius:6px;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.aside-list a{color:var(--ink-2);transition:color var(--ease)}
.aside-list a:hover{color:var(--brand)}
.aside-tip{font-size:13px;line-height:1.75;color:var(--ink-2)}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  transition:color var(--ease);
}
.text-link svg{width:16px;height:16px;transition:transform var(--ease)}
.text-link:hover{color:var(--brand-deep)}
.text-link:hover svg{transform:translateX(2px)}
.text-link.back svg{transition:transform var(--ease)}
.text-link.back:hover svg{transform:translateX(-2px)}

/* ---------- related ---------- */
.section{padding:0 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head h2{font-size:24px}
.section-head .sub{font-size:13.5px;color:var(--ink-2);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.related-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.related-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out}
.related-card:hover .thumb img{transform:scale(1.04)}
.related-card .body{padding:16px 18px 18px}
.related-card h3{font-size:15.5px;line-height:1.55;margin:10px 0 10px;transition:color var(--ease)}
.related-card:hover h3{color:var(--brand)}
.related-card .time{font-size:12.5px;color:var(--ink-2)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:8px 0 0}
.pager a{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pager a:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFE0EE}
.pager .dir{font-size:12.5px;color:var(--ink-2);display:flex;align-items:center;gap:6px}
.pager .dir svg{width:15px;height:15px;color:var(--brand)}
.pager .ttl{font-size:15px;font-weight:600;line-height:1.5;color:var(--ink)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;background:var(--brand-deep);border-radius:var(--radius-poster);
  padding:36px 40px 34px 44px;color:#fff;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent)}
.cta-band h2{font-size:22px;color:#fff;margin-bottom:8px}
.cta-band p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.78);max-width:560px}
.cta-form{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.cta-form input{
  height:44px;width:260px;border-radius:var(--radius-ctl);border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);color:#fff;padding:0 14px;font-size:14px;outline:0;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(232,163,61,.22)}
.cta-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.6);flex-basis:100%}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.82);margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:56px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600;color:#fff;margin-bottom:14px}
.site-footer p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:320px}
.site-footer h4{font-size:14px;color:#fff;margin-bottom:16px}
.site-footer ul li{margin-bottom:10px}
.site-footer a{font-size:13.5px;color:rgba(255,255,255,.74);transition:color var(--ease)}
.site-footer a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:18px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .command-search{width:200px}
  .command-search:focus-within{width:250px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .aside-stack{display:none}
  .article-head h1{font-size:30px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-links,.command-search,.nav-actions .icon-btn,.nav-actions .btn-sm{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:60px}
  .mobile-drawer.open{
    display:block;background:#fff;border-bottom:1px solid var(--line);padding:16px 0 22px;
    box-shadow:var(--shadow-1);
  }
  .mobile-drawer .container{display:flex;flex-direction:column;gap:14px}
  .mobile-drawer .m-link{
    padding:11px 12px;border-radius:var(--radius-ctl);font-size:14.5px;color:var(--ink-2);background:#F7F9FC;
  }
  .mobile-drawer .m-link.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
  .mobile-drawer input{
    height:44px;border:1px solid var(--line);border-radius:var(--radius-ctl);padding:0 14px;font-size:14px;
    outline:0;width:100%;
  }
  .mobile-drawer input:focus{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
  .mobile-drawer .btn{width:100%}
  .article-head h1{font-size:25px}
  .prose{font-size:16px}
  .prose h2{font-size:21px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .pager{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:28px 22px}
  .cta-form input{width:100%}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px}
  .breadcrumb .current{max-width:200px}
}
@media (max-width:520px){
  .article-head h1{font-size:22px}
  .crumb-bar{padding-top:16px}
  .article-meta{gap:12px}
}

/* roulang page: category1 */
:root{
    --brand:#1F5C8B;
    --brand-deep:#103A5C;
    --brand-soft:#E9F1F8;
    --accent:#E8A33D;
    --accent-2:#2FA3A0;
    --ink:#16202B;
    --ink-2:#4A5A6B;
    --bg:#F7F9FC;
    --surface:#FFFFFF;
    --line:#E3EAF2;
    --shadow-1:0 1px 2px rgba(16,58,92,.06), 0 8px 24px -12px rgba(16,58,92,.18);
    --shadow-2:0 2px 6px rgba(16,58,92,.08), 0 18px 40px -18px rgba(16,58,92,.22);
    --radius-poster:18px;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-badge:6px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  input{font:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
  .num{font-variant-numeric:tabular-nums;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.94);
    backdrop-filter:saturate(180%) blur(8px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease-out;
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-1);}
  .nav-inner{display:flex;align-items:center;gap:28px;height:64px;}
  .brand{display:inline-flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.01em;font-size:16px;color:var(--ink);white-space:nowrap;}
  .brand-mark{
    width:24px;height:24px;border-radius:7px;flex:none;
    background:
      linear-gradient(135deg,rgba(255,255,255,.34) 0%,rgba(255,255,255,0) 52%),
      linear-gradient(160deg,var(--brand) 0%,var(--brand-deep) 100%);
    position:relative;
  }
  .brand-mark::after{
    content:"";position:absolute;inset:6px 7px 6px 6px;border-radius:2px;
    background:linear-gradient(135deg,rgba(255,255,255,.9) 0%,rgba(255,255,255,.28) 100%);
    clip-path:polygon(0 0,100% 12%,72% 100%,0 88%);
  }
  .nav-links{display:flex;align-items:center;gap:2px;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:64px;
    padding:0 12px;font-size:14px;color:var(--ink-2);white-space:nowrap;
    transition:color .2s ease-out;
  }
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
    background:var(--brand);transform:scaleX(0);transform-origin:center;
    transition:transform .2s ease-out;
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after{transform:scaleX(.45);}
  .nav-link.active{color:var(--brand);font-weight:600;}
  .nav-link.active::after{transform:scaleX(1);}
  .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
  .command-search{
    position:relative;display:flex;align-items:center;
    height:40px;border-radius:var(--radius-btn);
    border:1px solid var(--line);background:var(--surface);
    padding:0 10px 0 34px;
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft);}
  .command-search input{
    width:196px;height:38px;border:0;background:transparent;color:var(--ink);
    font-size:13.5px;transition:width .2s ease-out;
  }
  .command-search input::placeholder{color:#9AAABB;}
  .command-search input:focus{outline:none;}
  .command-search:focus-within input{width:276px;}
  .cs-icon{position:absolute;left:11px;width:16px;height:16px;color:#8FA0B2;}
  .cs-kbd{
    font-size:11px;color:var(--ink-2);border:1px solid var(--line);
    border-radius:5px;padding:1px 5px;background:var(--bg);white-space:nowrap;
  }
  .icon-btn{
    width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:var(--radius-btn);color:var(--ink-2);
    transition:background-color .2s ease-out,color .2s ease-out;
  }
  .icon-btn:hover{background:var(--brand-soft);color:var(--brand);}
  .icon-btn:active{transform:translateY(1px);}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:40px;padding:0 18px;border-radius:var(--radius-btn);
    font-size:14px;font-weight:600;white-space:nowrap;
    transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  }
  .btn-sm{height:40px;font-size:13.5px;padding:0 16px;}
  .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line);}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
  .btn-accent{background:var(--accent);color:#22303C;}
  .btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);}
  .nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:var(--radius-btn);color:var(--ink);}
  .nav-toggle:hover{background:var(--brand-soft);color:var(--brand);}

  /* ---------- 通用区块 ---------- */
  .section{padding:96px 0;}
  .section-tight{padding:64px 0;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
    color:var(--brand);background:var(--brand-soft);border-radius:var(--radius-badge);
    padding:5px 10px;letter-spacing:.02em;
  }
  h1{font-size:40px;line-height:1.25;font-weight:600;letter-spacing:-.01em;}
  h2{font-size:26px;line-height:1.35;font-weight:600;}
  h3{font-size:19px;line-height:1.5;font-weight:600;}
  .h2-line{position:relative;padding-left:14px;}
  .h2-line::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--accent);}
  .lead{font-size:16px;color:var(--ink-2);}
  .muted{font-size:13.5px;line-height:1.7;color:var(--ink-2);}
  .text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
  .text-link svg{transition:transform .2s ease-out;}
  .text-link:hover svg{transform:translateX(2px);}

  /* ---------- Hero ---------- */
  .cat-hero{
    position:relative;overflow:hidden;border-bottom:1px solid var(--line);
    background-color:var(--brand-deep);
    background-image:
      linear-gradient(180deg,rgba(16,58,92,.10) 0%,rgba(16,58,92,.62) 62%,rgba(16,58,92,.88) 100%),
      url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
  }
  .cat-hero-inner{padding:56px 0 52px;max-width:820px;}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px;flex-wrap:wrap;}
  .breadcrumb a:hover{color:#fff;text-decoration:underline;}
  .breadcrumb .sep{opacity:.55;}
  .cat-hero h1{color:#fff;}
  .cat-hero .hero-sub{margin-top:14px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.86);max-width:640px;}
  .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
  .chip{
    display:inline-flex;align-items:center;gap:6px;font-size:12.5px;
    color:#fff;border:1px solid rgba(255,255,255,.34);border-radius:999px;
    padding:5px 12px;background:rgba(255,255,255,.08);
  }
  .chip i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}

  /* ---------- 编辑式内容 ---------- */
  .editorial{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px;align-items:start;}
  .prose{max-width:760px;}
  .prose p{font-size:16px;line-height:1.9;color:#26333F;margin-bottom:1.1em;}
  .prose h2{margin:8px 0 18px;}
  .prose h3{margin:26px 0 10px;}
  .prose ul{margin:0 0 1.2em;display:grid;gap:10px;}
  .prose ul li{position:relative;padding-left:20px;font-size:15.5px;line-height:1.85;color:#2C3A47;}
  .prose ul li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--accent-2);}
  .quote{
    background:var(--brand-soft);border-left:3px solid var(--brand);
    border-radius:var(--radius-btn);padding:16px 20px;margin:22px 0;
  }
  .quote p{margin:0;font-size:15px;color:#22384B;}
  .info-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);padding:24px;position:sticky;top:88px;
  }
  .info-card h3{font-size:17px;margin-bottom:14px;}
  .info-list{display:grid;gap:0;}
  .info-list li{
    display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
    padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;
  }
  .info-list li:last-child{border-bottom:0;}
  .info-list .k{color:var(--ink-2);}
  .info-list .v{font-weight:600;color:var(--ink);text-align:right;}
  .info-card .btn{width:100%;margin-top:16px;}

  /* ---------- 图文交替 ---------- */
  .media-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;}
  .media-row + .media-row{margin-top:72px;}
  .media-figure{
    border-radius:var(--radius-poster);overflow:hidden;box-shadow:var(--shadow-2);
    aspect-ratio:16/10;background:var(--brand-soft);
  }
  .media-figure img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease-out;}
  .media-figure:hover img{transform:scale(1.03);}
  .media-body h3{font-size:22px;margin-bottom:12px;}
  .media-body p{font-size:15.5px;line-height:1.85;color:#2C3A47;margin-bottom:14px;}
  .step-num{
    display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;
    background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:700;margin-bottom:14px;
    font-variant-numeric:tabular-nums;
  }

  /* ---------- 条目网格卡（2 列） ---------- */
  .card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .entry-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
    transition:transform .2s ease-out,box-shadow .2s ease-out;
  }
  .entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
  .entry-card:hover .entry-title{color:var(--brand);}
  .entry-cover{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);position:relative;}
  .entry-cover img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease-out;}
  .entry-card:hover .entry-cover img{transform:scale(1.04);}
  .entry-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .entry-title{font-size:17px;font-weight:600;line-height:1.55;transition:color .2s ease-out;}
  .entry-desc{font-size:14px;line-height:1.8;color:var(--ink-2);}
  .entry-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}
  .badge{
    display:inline-flex;align-items:center;font-size:12px;font-weight:600;
    color:var(--brand);background:var(--brand-soft);border-radius:var(--radius-badge);padding:4px 9px;
  }
  .badge-alt{color:#1E7E7B;background:#E4F4F3;}
  .meta-time{font-size:12.5px;color:var(--ink-2);font-variant-numeric:tabular-nums;}

  /* ---------- 数据条 ---------- */
  .stats{
    display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);padding:28px 32px;
  }
  .stat .n{font-size:30px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2;}
  .stat .t{font-size:13.5px;color:var(--ink-2);margin-top:4px;}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:800px;margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;
    min-height:56px;padding:16px 0;font-size:15.5px;font-weight:600;cursor:pointer;
    transition:color .2s ease-out;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--brand);}
  .faq-sign{
    flex:none;width:22px;height:22px;position:relative;color:var(--ink-2);
    transition:color .2s ease-out,transform .2s ease-out;
  }
  .faq-sign::before,.faq-sign::after{
    content:"";position:absolute;background:currentColor;border-radius:2px;
  }
  .faq-sign::before{left:4px;right:4px;top:10px;height:1.6px;}
  .faq-sign::after{top:4px;bottom:4px;left:10px;width:1.6px;transition:opacity .2s ease-out;}
  .faq-item[open] .faq-sign::after{opacity:0;}
  .faq-item summary:hover .faq-sign{color:var(--brand);}
  .faq-answer{padding:0 0 20px;max-width:700px;}
  .faq-answer p{font-size:14px;line-height:1.9;color:var(--ink-2);}

  /* ---------- CTA ---------- */
  .cta-bar{
    position:relative;overflow:hidden;background:var(--brand-deep);border-radius:var(--radius-poster);
    padding:44px 48px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
    gap:40px;align-items:center;box-shadow:var(--shadow-2);
  }
  .cta-bar::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);}
  .cta-bar h2{color:#fff;}
  .cta-bar p{margin-top:10px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.78);}
  .cta-form{display:flex;gap:12px;align-items:flex-end;}
  .field{flex:1;min-width:0;}
  .field label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.86);margin-bottom:8px;}
  .field input{
    width:100%;height:44px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.26);
    background:rgba(255,255,255,.1);color:#fff;padding:0 14px;font-size:14px;
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .field input::placeholder{color:rgba(255,255,255,.5);}
  .field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(232,163,61,.22);}
  .cta-note{grid-column:1 / -1;font-size:12px;color:rgba(255,255,255,.55);margin-top:-14px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-deep);color:#D9E3EC;margin-top:96px;}
  .footer-grid{
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15.5px;color:#fff;margin-bottom:14px;}
  .site-footer p{font-size:13.5px;line-height:1.85;color:rgba(217,227,236,.78);max-width:320px;}
  .site-footer h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:600;}
  .site-footer li{margin-bottom:10px;}
  .site-footer li a{font-size:13.5px;color:rgba(217,227,236,.8);transition:color .2s ease-out;}
  .site-footer li a:hover{color:var(--accent);}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    border-top:1px solid rgba(255,255,255,.12);padding:20px 0 32px;font-size:13px;
    color:rgba(217,227,236,.66);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .container{padding:0 24px;}
    .section{padding:72px 0;}
    .editorial{grid-template-columns:1fr;gap:32px;}
    .info-card{position:static;}
    .media-row{gap:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
    .cta-bar{grid-template-columns:1fr;padding:36px 32px;gap:28px;}
    h1{font-size:34px;}
    h2{font-size:23px;}
  }
  @media (max-width:767px){
    .container{padding:0 16px;}
    .section{padding:56px 0;}
    .nav-inner{gap:12px;}
    .brand{font-size:15px;}
    .nav-toggle{display:inline-flex;}
    .nav-links{
      position:fixed;top:64px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
      gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-1);
      padding:8px 16px 16px;max-height:calc(100vh - 64px);overflow-y:auto;
    }
    body.nav-open .nav-links{display:flex;}
    .nav-link{height:auto;padding:14px 4px;font-size:15px;border-bottom:1px solid var(--line);}
    .nav-link::after{display:none;}
    .nav-link.active{color:var(--brand);}
    .command-search{display:none;}
    .icon-btn{display:none;}
    .btn-sm{padding:0 12px;font-size:13px;}
    h1{font-size:28px;}
    h2{font-size:21px;}
    .cat-hero-inner{padding:36px 0 34px;}
    .cat-hero .hero-sub{font-size:14.5px;}
    .media-row{grid-template-columns:1fr;}
    .media-row.flip .media-figure{order:-1;}
    .media-row + .media-row{margin-top:48px;}
    .card-grid-2{grid-template-columns:1fr;}
    .stats{grid-template-columns:1fr;gap:16px;padding:22px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .cta-bar{padding:28px 22px;}
    .cta-form{flex-direction:column;align-items:stretch;}
    .site-footer{margin-top:56px;}
  }
  @media (max-width:520px){
    .brand{font-size:14px;}
    .brand-mark{width:20px;height:20px;}
    .brand-mark::after{inset:5px 6px 5px 5px;}
    h1{font-size:25px;}
  }

/* roulang page: category2 */
:root{
  --brand:#1F5C8B;
  --brand-deep:#103A5C;
  --brand-soft:#E9F1F8;
  --accent:#E8A33D;
  --accent-2:#2FA3A0;
  --ink:#16202B;
  --ink-2:#4A5A6B;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#E3EAF2;
  --shadow-1:0 1px 2px rgba(16,58,92,.06),0 8px 24px -12px rgba(16,58,92,.18);
  --shadow-2:0 2px 6px rgba(16,58,92,.08),0 18px 40px -18px rgba(16,58,92,.22);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --r-badge:6px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.1em}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:600;letter-spacing:.01em;color:var(--ink)}
.brand-mark{
  position:relative;width:24px;height:24px;border-radius:7px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--accent-2) 100%);
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:6px 7px;
  background:#fff;opacity:.92;border-radius:2px;
  clip-path:polygon(0 0,100% 0,100% 58%,56% 100%,0 100%);
}
.brand-text{font-size:16px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;padding:8px 10px;font-size:14px;color:var(--ink-2);
  border-radius:8px;
  transition:color .18s ease-out,background-color .18s ease-out;
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:var(--brand-soft)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);
  transition:width .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.command-search:focus-within{width:320px;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.command-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink)}
.command-search input::placeholder{color:#93A4B4}
.cs-icon{width:18px;height:18px;color:var(--ink-2);flex:0 0 auto}
.cs-kbd{font-size:11px;color:var(--ink-2);border:1px solid var(--line);border-radius:5px;padding:1px 6px;background:var(--bg);white-space:nowrap}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);color:var(--ink-2);border:1px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand)}
.nav-toggle{display:none;width:38px;height:38px;align-items:center;justify-content:center;border-radius:var(--r-sm);color:var(--ink-2)}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-accent{background:var(--accent);color:#3B2A08}
.btn-accent:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-lg{height:48px;padding:0 26px}
.btn-block{width:100%}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;top:64px;left:0;right:0;z-index:55;
  background:var(--surface);border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-2);
  padding:20px 24px 26px;
  display:flex;flex-direction:column;gap:16px;
  transform:translateY(-10px);opacity:0;pointer-events:none;
  transition:transform .2s ease-out,opacity .2s ease-out;
}
.mobile-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto}
.m-link{display:block;padding:12px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line)}
.m-link.active{color:var(--brand);font-weight:600}
.m-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--r-sm);background:var(--bg);
}
.m-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  padding:96px 0 56px;
  color:#fff;
  background-image:
    linear-gradient(100deg,rgba(16,58,92,.94) 0%,rgba(16,58,92,.78) 46%,rgba(16,58,92,.42) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.cat-hero .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.76);margin-bottom:22px;flex-wrap:wrap}
.cat-hero .crumbs a:hover{color:#fff}
.crumb-sep{opacity:.6}
.hero-title{
  font-size:clamp(30px,4vw,42px);
  font-weight:600;
  line-height:1.25;
  letter-spacing:-.01em;
  margin:0 0 14px;
  color:#fff;
  max-width:760px;
}
.hero-sub{
  font-size:17px;
  color:rgba(255,255,255,.86);
  margin:0 0 8px;
  max-width:640px;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:30px}
.hero-stat .num{
  display:block;font-size:26px;font-weight:600;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-stat .lbl{display:block;font-size:13px;color:rgba(255,255,255,.76);margin-top:2px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);
  padding:4px 10px;border-radius:var(--r-badge);margin-bottom:14px;
}
.sec-title{
  position:relative;
  font-size:clamp(23px,2.4vw,28px);
  font-weight:600;line-height:1.35;letter-spacing:-.01em;
  color:var(--ink);
  margin:0 0 16px;padding-left:16px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:2px;background:var(--accent);
}
.sec-lead{font-size:15.5px;color:var(--ink-2);max-width:760px;margin:0}
.lead-col{max-width:760px}

/* ---------- 概述双栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px;align-items:start}
.body-text p{color:var(--ink-2);font-size:15.5px}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2)}
.check-list .dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--accent-2);margin-top:.62em}
.check-list strong{color:var(--ink);font-weight:600}

.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--shadow-1);
  position:sticky;top:88px;
}
.info-card h3{font-size:17px;font-weight:600;margin:0 0 4px;color:var(--ink)}
.info-card .ic-note{font-size:13px;color:var(--ink-2);margin:0 0 16px}
.ic-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;border-top:1px solid var(--line);
}
.ic-row:first-of-type{border-top:0}
.ic-name{font-size:14px;color:var(--ink)}
.badge{
  display:inline-block;font-size:12px;line-height:1.6;padding:3px 9px;
  border-radius:var(--r-badge);background:var(--brand-soft);color:var(--brand);
  white-space:nowrap;
}
.badge-cyan{background:rgba(47,163,160,.13);color:#1E7C79}
.badge-accent{background:rgba(232,163,61,.16);color:#8A5B10}

/* ---------- 图文交替 ---------- */
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.media-row.reverse .media-figure{order:2}
.media-figure{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  border:1px solid var(--line);background:var(--surface);
}
.media-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.media-copy h2{margin-top:0}
.media-copy p{font-size:15.5px;color:var(--ink-2)}
.point-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2)}
.point-list .tick{flex:0 0 auto;width:20px;height:20px;margin-top:.28em;color:var(--accent-2)}
.point-list b{color:var(--ink);font-weight:600}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:44px}
.timeline::before{
  content:"";position:absolute;left:19px;top:10px;bottom:10px;width:1px;background:var(--line);
}
.tl-item{position:relative;padding:0 0 30px 62px}
.tl-item:last-child{padding-bottom:0}
.tl-index{
  position:absolute;left:0;top:2px;width:40px;height:40px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;
  border:1px solid #D8E6F2;
}
.tl-title{font-size:17px;font-weight:600;color:var(--ink);margin:0 0 4px}
.tl-desc{font-size:14px;color:var(--ink-2);margin:0}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px}
.tl-date{font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums}

/* ---------- 对照卡 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
.compare-col{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px;box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.compare-col:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.compare-col.alt{background:var(--brand-soft);border-color:#D3E3F1;box-shadow:none}
.compare-col.alt:hover{box-shadow:var(--shadow-1)}
.compare-col h3{font-size:18px;font-weight:600;margin:0 0 6px;color:var(--ink)}
.compare-col .cc-note{font-size:13.5px;color:var(--ink-2);margin:0 0 8px}
.compare-item{display:flex;gap:12px;padding:15px 0;border-top:1px solid var(--line);font-size:14.5px;color:var(--ink-2)}
.compare-col.alt .compare-item{border-top-color:#D3E3F1}
.compare-item:first-of-type{border-top:0;padding-top:6px}
.ci-icon{flex:0 0 auto;width:20px;height:20px;margin-top:.28em}
.ci-ok{color:var(--accent-2)}
.ci-warn{color:var(--accent)}

/* ---------- CTA 通条 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-deep);color:#fff;
  border-radius:var(--r-lg);
  padding:44px 40px 44px 48px;
  display:grid;grid-template-columns:1.15fr 1fr;gap:36px;align-items:center;
  box-shadow:var(--shadow-2);
}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent)}
.cta-band h2{font-size:clamp(21px,2.2vw,26px);font-weight:600;margin:0 0 10px;color:#fff}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.82);margin:0}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-field{flex:1 1 220px;min-width:0}
.cta-field label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.86);margin-bottom:7px}
.cta-field input{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:#fff;
  transition:border-color .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out;
}
.cta-field input::placeholder{color:rgba(255,255,255,.55)}
.cta-field input:focus{outline:0;border-color:var(--accent);background:rgba(255,255,255,.16);box-shadow:0 0 0 4px rgba(232,163,61,.22)}
.cta-note{font-size:12px;color:rgba(255,255,255,.6);margin-top:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#C6D6E4;padding:64px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:600;font-size:16px;margin-bottom:14px}
.site-footer p{font-size:13.5px;color:#A9BECF;margin:0;max-width:320px}
.site-footer h4{color:#fff;font-size:14px;font-weight:600;margin:0 0 16px}
.site-footer li{margin-bottom:11px}
.site-footer a{font-size:13.5px;color:#C6D6E4;transition:color .18s ease-out}
.site-footer a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 24px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#9DB2C4;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .command-search{width:200px}
  .command-search:focus-within{width:240px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-links .nav-link{padding:8px 8px;font-size:13.5px}
  .section{padding:76px 0}
  .split{grid-template-columns:1fr;gap:32px}
  .info-card{position:static}
  .media-row{gap:32px}
  .cta-band{grid-template-columns:1fr;padding:36px 32px 36px 36px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .command-search{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .icon-btn{display:none}
  .nav-toggle{display:inline-flex}
  .cat-hero{padding:72px 0 44px}
  .hero-stats{gap:26px;margin-top:24px}
  .section{padding:64px 0}
  .media-row{grid-template-columns:1fr;gap:24px}
  .media-row.reverse .media-figure{order:0}
  .compare{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{margin-top:64px;padding-top:48px}
  .btn{width:100%}
  .btn-inline{width:auto}
  .cta-band{padding:30px 22px 30px 26px;border-radius:var(--r-md)}
  .cta-form{flex-direction:column}
}
@media (max-width:560px){
  .brand-text{font-size:15px}
  .header-cta{display:none}
  .footer-grid{grid-template-columns:1fr}
  .tl-item{padding-left:54px}
  .timeline::before{left:17px}
  .tl-index{width:36px;height:36px}
}