/* roulang page: index */
:root{
  --c-primary:#0D3B2E;
  --c-primary-600:#0A2E24;
  --c-primary-300:#2C8A67;
  --c-accent:#C7F04A;
  --c-cta:#FF5A1F;
  --c-cta-600:#E04A12;
  --c-bg:#F6F5F1;
  --c-surface:#FFFFFF;
  --c-ink:#141917;
  --c-muted:#5C6560;
  --c-line:#E3E1D8;
  --c-dark:#0E1512;
  --c-dark-ink:rgba(255,255,255,.72);
  --r-card:16px;
  --r-lg:18px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,25,23,.06);
  --sh-2:0 14px 34px -20px rgba(20,25,23,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.95;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-600)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em}
h1{font-size:clamp(30px,4.4vw,46px);font-weight:700;line-height:1.25}
h2{font-size:clamp(23px,3vw,31px);font-weight:700;line-height:1.35;margin-top:0;margin-bottom:14px}
h3{font-size:20px;font-weight:650;line-height:1.5}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.tnum{font-variant-numeric:tabular-nums}
.section{padding-top:92px;padding-bottom:92px}
.eyebrow{font-size:13px;letter-spacing:.14em;color:var(--c-primary-300);font-weight:600}
.rule{height:1px;background:var(--c-line);border:0;margin:0}
.muted{color:var(--c-muted)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .12s ease;
  line-height:1.4;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-cta);color:#fff}
.btn-primary:hover{background:var(--c-cta-600);color:#fff}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{background:var(--c-primary-600);color:#fff}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-ghost:hover{background:rgba(13,59,46,.08);color:var(--c-primary)}
.btn-ghost-light{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(199,240,74,.42);color:#22401A;letter-spacing:.02em;
}
.badge-soft{background:rgba(13,59,46,.08);color:var(--c-primary)}
.badge-outline{background:transparent;border:1px solid rgba(255,255,255,.45);color:#fff}
.card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(13,59,46,.3)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:#E9E7E0}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:19px;font-weight:650;line-height:1.5;color:var(--c-ink)}
.card-text{font-size:14.5px;line-height:1.85;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.enter-link{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;
}
.enter-link:hover{text-decoration:underline;text-underline-offset:4px}
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(246,245,241,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease;
}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
.brand:hover{color:var(--c-ink)}
.brand-dot{width:8px;height:8px;border-radius:2px;background:var(--c-primary);display:inline-block;flex:none}
.nav-desktop{display:flex;align-items:center;gap:30px}
.nav-link{
  position:relative;font-size:15px;color:var(--c-ink);padding:6px 0 6px 12px;
  transition:color .2s ease;white-space:nowrap;
}
.nav-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--c-primary);opacity:0;transition:opacity .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:0;bottom:0;height:1px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::before{opacity:1}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{
  font-size:14px;font-weight:600;color:var(--c-primary);
  border-bottom:1px solid rgba(13,59,46,.4);padding-bottom:2px;
}
.nav-cta:hover{border-bottom-color:var(--c-primary);text-decoration:none}
.burger{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:var(--r-sm);background:#fff;cursor:pointer;
}
.burger span{display:block;width:18px;height:1.5px;background:var(--c-ink);position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--c-ink);
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:80;background:#fff;
  padding:24px;flex-direction:column;
}
.mobile-drawer.open{display:flex}
.mobile-drawer a{font-size:20px;padding:16px 0;border-bottom:1px solid var(--c-line);color:var(--c-ink);display:block}
.mobile-drawer a.is-active{color:var(--c-primary);font-weight:700}
.drawer-close{align-self:flex-end;border:1px solid var(--c-line);border-radius:var(--r-sm);background:#fff;padding:8px 14px;font-size:14px;cursor:pointer}
.ticker{
  border-bottom:1px solid var(--c-line);background:#FBFBF7;
}
.ticker-inner{display:flex;align-items:center;gap:12px;padding:10px 0;font-size:14px;color:var(--c-muted);flex-wrap:wrap}
.ticker-dot{width:7px;height:7px;border-radius:50%;background:var(--c-cta);flex:none;animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero{
  position:relative;min-height:78vh;display:flex;align-items:center;
  background-image:linear-gradient(90deg,rgba(13,59,46,.86) 0%,rgba(10,46,36,.72) 52%,rgba(14,21,18,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;color:#fff;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;width:100%;padding-top:78px;padding-bottom:64px}
.hero-copy{max-width:580px}
.hero h1{color:#fff}
.hero-sub{color:rgba(255,255,255,.82);font-size:17px;line-height:1.85;margin-top:18px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.22);
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;max-width:760px;
}
.hero-stat-num{font-size:clamp(26px,3.2vw,34px);font-weight:700;color:#fff;line-height:1.2}
.hero-stat-label{font-size:13px;color:rgba(255,255,255,.7);margin-top:4px}
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start}
.num-item{display:flex;gap:14px;padding:18px 0;border-top:1px solid var(--c-line)}
.num-item:last-child{border-bottom:1px solid var(--c-line)}
.num-index{
  font-size:13px;font-weight:700;color:var(--c-primary-300);letter-spacing:.08em;
  border-left:2px solid var(--c-primary);padding-left:10px;flex:none;width:44px;
}
.num-title{font-size:16px;font-weight:650;line-height:1.5}
.num-desc{font-size:14px;color:var(--c-muted);line-height:1.8}
.portrait-frame{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/5;background:#E9E7E0;margin-top:26px}
.portrait-frame img{width:100%;height:100%;object-fit:cover}
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.stat-cell{padding:30px 24px;border-left:1px solid var(--c-line)}
.stat-cell:first-child{border-left:0}
.stat-value{font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.2}
.stat-label{font-size:13px;color:var(--c-muted);margin-top:6px}
.quote-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;margin-top:40px}
.quote{font-size:15.5px;line-height:1.9;color:var(--c-ink)}
.quote-by{font-size:13px;color:var(--c-muted);margin-top:10px}
.faq-item{border-top:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:1px solid var(--c-line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 0;font-size:17px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--c-primary);font-weight:400;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 0 22px;font-size:15.5px;color:var(--c-muted);line-height:1.9;max-width:820px}
.cta-band{background:var(--c-dark);color:#fff;border-radius:var(--r-lg);padding:48px}
.cta-band h2{color:#fff}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center}
.field{
  height:48px;width:100%;border:1px solid var(--c-line);border-radius:12px;
  padding:0 16px;font-size:15px;background:#fff;color:var(--c-ink);font-family:inherit;
}
.field:focus{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(13,59,46,.12);outline:none}
.form-note{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:10px}
.site-footer{background:var(--c-dark);color:var(--c-dark-ink);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:0}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.1)}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-top:14px;max-width:280px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-link{display:block;font-size:14px;color:rgba(255,255,255,.68);padding:6px 0}
.footer-link:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.56);
}
.news-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(13,59,46,.3)}
.news-title{font-size:19px;font-weight:650;line-height:1.5;color:var(--c-ink)}
.news-title:hover{color:var(--c-primary-600);text-decoration:underline;text-underline-offset:4px}
.news-summary{
  font-size:14.5px;line-height:1.85;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--c-muted)}
.news-meta .sep{width:1px;height:12px;background:var(--c-line);display:inline-block}
.news-empty{
  grid-column:1/-1;padding:56px 24px;border:1px dashed var(--c-line);border-radius:var(--r-card);
  background:#FBFBF7;text-align:center;
}
.news-empty-shape{
  width:74px;height:54px;margin:0 auto 18px;border-radius:10px;
  background:linear-gradient(135deg,#E8E7DF 0%,#F2F1EB 100%);border:1px solid var(--c-line);
}
@media (max-width:1280px){
  .container{padding-left:24px;padding-right:24px}
}
@media (max-width:1024px){
  .nav-desktop{display:none}
  .burger{display:inline-flex}
  .split{grid-template-columns:1fr;gap:36px}
  .news-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .footer-col{padding:0;border-left:0}
  .section{padding-top:64px;padding-bottom:64px}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-cell:nth-child(3){border-left:0}
  .stat-cell:nth-child(n+3){border-top:1px solid var(--c-line)}
  .quote-grid{grid-template-columns:1fr;gap:24px}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.9}
  .container{padding-left:20px;padding-right:20px}
  .header-inner{height:68px}
  .brand{font-size:16px}
  .hero{min-height:auto}
  .hero-inner{padding-top:56px;padding-bottom:48px}
  .hero-stats{grid-template-columns:1fr;gap:18px;margin-top:36px}
  .news-list{grid-template-columns:1fr;gap:16px}
  .stat-row{grid-template-columns:1fr}
  .stat-cell{border-left:0;border-top:1px solid var(--c-line)}
  .stat-cell:first-child{border-top:0}
  .cta-band{padding:30px 22px;border-radius:var(--r-card)}
  .footer-grid{grid-template-columns:1fr}
  .section{padding-top:48px;padding-bottom:48px}
  .card-body{padding:18px}
}

/* roulang page: article */
:root{
  --c-primary:#0D3B2E;
  --c-primary-600:#0A2E24;
  --c-primary-300:#2C8A67;
  --c-accent:#C7F04A;
  --c-cta:#FF5A1F;
  --c-cta-600:#E04A12;
  --c-bg:#F6F5F1;
  --c-surface:#FFFFFF;
  --c-ink:#141917;
  --c-muted:#5C6560;
  --c-line:#E3E1D8;
  --c-dark:#0E1512;
  --c-dark-ink:rgba(255,255,255,.72);
  --r-card:16px;
  --r-lg:18px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,25,23,.06);
  --sh-2:0 14px 34px -20px rgba(20,25,23,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.95;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary-300);text-decoration:none;}
a:hover{color:var(--c-primary-600);text-decoration:underline;text-underline-offset:4px;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
::selection{background:var(--c-accent);color:#12211C;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,245,241,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--c-ink);
  letter-spacing:-.01em;white-space:nowrap;
}
.brand:hover{color:var(--c-ink);text-decoration:none;}
.brand-dot{width:8px;height:8px;border-radius:2px;background:var(--c-primary-300);display:inline-block;flex:none;}
.nav-desktop{display:flex;align-items:center;gap:32px;}
.nav-link{position:relative;font-size:15px;color:#2B332F;padding:6px 0;white-space:nowrap;}
.nav-link:hover{color:var(--c-primary);text-decoration:none;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--c-primary-300);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active::before{
  content:"";position:absolute;left:-13px;top:50%;
  width:6px;height:6px;border-radius:50%;background:var(--c-primary-300);
  transform:translateY(-50%);
}
.nav-cta{
  font-size:14px;color:var(--c-primary);white-space:nowrap;
  border-bottom:1px solid var(--c-primary-300);padding-bottom:2px;
}
.nav-cta:hover{color:var(--c-primary-600);text-decoration:none;}
.burger{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);
  border-radius:var(--r-sm);background:transparent;
  align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.burger span{display:block;width:18px;height:1.5px;background:var(--c-ink);position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--c-ink);
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.burger:focus-visible{outline:2px solid var(--c-primary-300);outline-offset:2px;}

.mobile-drawer{
  position:fixed;inset:0;z-index:60;background:#FFFFFF;
  display:flex;flex-direction:column;gap:8px;padding:28px 24px;
  transform:translateY(-100%);transition:transform .28s ease;
}
.mobile-drawer.is-open{transform:translateY(0);}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:#fff;cursor:pointer;font-size:20px;line-height:1;color:var(--c-ink);
}
.mobile-drawer a.drawer-link{
  font-size:20px;color:var(--c-ink);padding:14px 0;border-bottom:1px solid var(--c-line);
}
.mobile-drawer a.drawer-link:hover{color:var(--c-primary);text-decoration:none;}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--c-line);}
.drawer-foot a{font-size:16px;color:var(--c-primary);font-weight:600;}

/* 面包屑 */
.breadcrumb{border-bottom:1px solid var(--c-line);background:rgba(255,255,255,.5);}
.breadcrumb-inner{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:16px 24px;font-size:13px;color:var(--c-muted);
}
.breadcrumb-inner a{color:var(--c-muted);}
.breadcrumb-inner a:hover{color:var(--c-primary);}
.breadcrumb-inner .sep{color:#BFBDB3;}
.breadcrumb-inner .current{color:#2B332F;font-weight:500;}

/* 文章布局 */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;
  gap:56px;justify-content:center;align-items:start;
  padding-top:44px;padding-bottom:72px;
}
.article-main{max-width:760px;width:100%;min-width:0;}
.chip{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--c-primary);background:rgba(199,240,74,.28);
  border-radius:var(--r-pill);padding:5px 14px;margin-bottom:18px;
}
.chip:hover{background:rgba(199,240,74,.5);color:var(--c-primary-600);text-decoration:none;}
.article-title{
  font-size:clamp(30px,4.4vw,46px);font-weight:700;line-height:1.25;
  letter-spacing:-.01em;color:var(--c-ink);margin-bottom:22px;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:13.5px;color:var(--c-muted);padding-bottom:22px;
  border-bottom:1px solid var(--c-line);
}
.meta-row .bar{width:1px;height:12px;background:var(--c-line);display:inline-block;}
.meta-row time{font-variant-numeric:tabular-nums;}

/* 正文排版 */
.article-body{margin-top:34px;font-size:16.5px;line-height:1.95;color:#1B211E;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;font-size:clamp(22px,2.7vw,29px);font-weight:700;
  line-height:1.35;margin:2.1em 0 .75em;padding-left:20px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.5em;width:12px;height:3px;
  border-radius:2px;background:var(--c-primary-300);
}
.article-body h3{font-size:20px;font-weight:600;margin:1.7em 0 .6em;}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.45em 0;}
.article-body ol>li::marker{color:var(--c-primary-300);font-variant-numeric:tabular-nums;}
.article-body strong{font-weight:600;color:var(--c-primary-600);}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:3px solid var(--c-primary-300);
  background:#F9F8F4;border-radius:0 var(--r-sm) var(--r-sm) 0;color:#2B332F;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.5em 0;}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{font-size:13.5px;color:var(--c-muted);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.5em 0;}
.article-body th,.article-body td{border-bottom:1px solid var(--c-line);padding:11px 12px;text-align:left;}
.article-body th{background:#F9F8F4;font-weight:600;}
.article-body a{text-decoration:underline;text-underline-offset:4px;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2.4em 0;}
.article-body>*:first-child{margin-top:0;}

.empty-state{
  margin-top:34px;padding:56px 28px;text-align:center;
  border:1px dashed var(--c-line);border-radius:var(--r-lg);background:#FCFBF8;
}
.empty-state .empty-mark{
  width:56px;height:56px;border-radius:var(--r-pill);margin:0 auto 18px;
  background:rgba(44,138,103,.12);border:1px solid rgba(44,138,103,.28);
}
.empty-state p{color:var(--c-muted);margin-bottom:14px;}
.empty-state a{font-weight:600;}

/* 文末 */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--c-line);}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.tag{
  font-size:13px;color:var(--c-muted);background:#FFFFFF;
  border:1px solid var(--c-line);border-radius:var(--r-pill);padding:5px 14px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{color:var(--c-primary);border-color:rgba(13,59,46,.3);text-decoration:none;transform:translateY(-1px);}
.post-nav{display:flex;flex-wrap:wrap;gap:18px 32px;font-size:15px;}
.post-nav a{font-weight:600;color:var(--c-primary);}
.post-nav a:hover{color:var(--c-primary-600);}
.post-nav .arrow{display:inline-block;transition:transform .2s ease;}
.post-nav a:hover .arrow{transform:translateX(3px);}

/* 侧栏 */
.article-aside{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;align-self:start;}
.aside-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);
}
.aside-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-muted);
  text-transform:uppercase;margin-bottom:14px;padding-bottom:12px;
  border-bottom:1px solid var(--c-line);
}
.toc{display:flex;flex-direction:column;}
.toc-link{
  font-size:14.5px;color:#2B332F;padding:8px 0 8px 12px;position:relative;
  border-bottom:1px solid rgba(227,225,216,.7);
}
.toc-link:last-child{border-bottom:0;}
.toc-link::before{
  content:"";position:absolute;left:0;top:50%;width:4px;height:4px;
  border-radius:50%;background:var(--c-line);transform:translateY(-50%);
  transition:background .2s ease;
}
.toc-link:hover{color:var(--c-primary);text-decoration:none;}
.toc-link:hover::before{background:var(--c-primary-300);}
.aside-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14.5px;color:#2B332F;padding:10px 0;border-bottom:1px solid rgba(227,225,216,.7);
}
.aside-link:last-child{border-bottom:0;}
.aside-link:hover{color:var(--c-primary);text-decoration:none;}
.aside-link span{color:#BFBDB3;font-size:13px;}

/* 相关阅读 */
.related{background:#FFFFFF;border-top:1px solid var(--c-line);padding:84px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;}
.section-head .more{font-size:15px;font-weight:600;color:var(--c-primary);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.r-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.r-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(13,59,46,.3);text-decoration:none;}
.r-cover{aspect-ratio:16/10;overflow:hidden;background:#EEECE4;}
.r-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.r-card:hover .r-cover img{transform:scale(1.03);}
.r-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.r-tag{font-size:12.5px;font-weight:600;color:var(--c-primary-300);letter-spacing:.02em;}
.r-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink);}
.r-desc{font-size:14px;color:var(--c-muted);line-height:1.75;}
.r-more{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);font-size:14px;font-weight:600;color:var(--c-primary);}

/* 订阅 */
.cta-band{background:var(--c-dark);color:#fff;padding:76px 0;}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:40px;align-items:center;}
.cta-title{font-size:clamp(22px,2.8vw,30px);font-weight:700;color:#fff;margin-bottom:12px;}
.cta-desc{color:var(--c-dark-ink);font-size:15.5px;max-width:520px;}
.subscribe-form{display:flex;gap:12px;}
.subscribe-form input{
  flex:1;height:48px;padding:0 16px;border-radius:12px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.45);}
.subscribe-form input:focus{
  outline:none;border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(199,240,74,.18);
}
.btn-cta{
  height:48px;padding:0 24px;border:0;border-radius:var(--r-pill);
  background:var(--c-cta);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:background .2s ease;white-space:nowrap;
}
.btn-cta:hover{background:var(--c-cta-600);}
.btn-cta:active{transform:translateY(1px);}
.btn-cta:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;}
.privacy-note{grid-column:2;font-size:13px;color:rgba(255,255,255,.5);margin-top:8px;}
.form-msg{grid-column:2;font-size:13.5px;color:var(--c-accent);min-height:20px;}

/* 页脚 */
.site-footer{background:var(--c-dark);color:var(--c-dark-ink);padding:64px 0 26px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:#fff;margin-bottom:6px;
}
.footer-desc{color:rgba(255,255,255,.6);line-height:1.85;font-size:14px;max-width:320px;}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:rgba(255,255,255,.5);margin-bottom:6px;}
.footer-link{color:var(--c-dark-ink);}
.footer-link:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .nav-desktop,.nav-cta{display:none;}
  .burger{display:flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:44px;padding-top:32px;padding-bottom:56px;}
  .article-aside{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:24px;}
  .privacy-note,.form-msg{grid-column:1;}
  .related{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .breadcrumb-inner{padding:14px 20px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .cta-band{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}
@media (max-width:519px){
  .header-inner{height:66px;}
  .brand{font-size:15.5px;}
  .subscribe-form{flex-direction:column;}
  .btn-cta{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .sidebar-row,.meta-row{gap:8px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0D3B2E;
  --c-primary-600:#0A2E24;
  --c-primary-300:#2C8A67;
  --c-accent:#C7F04A;
  --c-cta:#FF5A1F;
  --c-cta-600:#E04A12;
  --c-bg:#F6F5F1;
  --c-surface:#FFFFFF;
  --c-ink:#141917;
  --c-muted:#5C6560;
  --c-line:#E3E1D8;
  --c-dark:#0E1512;
  --c-dark-ink:rgba(255,255,255,.72);
  --r-card:16px;
  --r-lg:18px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,25,23,.06);
  --sh-2:0 14px 34px -20px rgba(20,25,23,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.95;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-600)}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.num{font-variant-numeric:tabular-nums}
h1,h2,h3,h4{letter-spacing:-.01em;line-height:1.3;margin:0}
h1{font-size:clamp(30px,4.4vw,46px);font-weight:700;line-height:1.25}
h2{font-size:clamp(24px,3vw,30px);font-weight:700}
h3{font-size:20px;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
.lead{color:var(--c-muted);font-size:16.5px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,241,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-primary);letter-spacing:-.01em}
.brand-dot{width:8px;height:8px;border-radius:2px;background:var(--c-primary);flex:none}
.nav-desktop{display:flex;align-items:center;gap:32px}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--c-ink)}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{font-size:14px;color:var(--c-primary);border-bottom:1px solid var(--c-primary-300);padding-bottom:2px;white-space:nowrap}
.nav-cta:hover{color:var(--c-primary-600);border-color:var(--c-primary-600)}
.burger{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:8px;
  background:var(--c-surface);align-items:center;justify-content:center;cursor:pointer;
}
.burger span{position:relative;display:block;width:18px;height:1.5px;background:var(--c-ink)}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--c-ink)}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.mobile-drawer{
  position:fixed;left:0;right:0;top:76px;bottom:0;z-index:55;background:#fff;
  padding:32px 24px 40px;transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;justify-content:space-between;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-link{font-size:20px;padding:12px 0;border-bottom:1px solid var(--c-line);color:var(--c-ink)}
.drawer-link.is-active{color:var(--c-primary);font-weight:600}
.drawer-cta{
  display:inline-flex;align-items:center;justify-content:center;height:48px;margin-top:28px;
  border-radius:var(--r-pill);background:var(--c-primary);color:#fff;font-size:15px;
}
.drawer-cta:hover{background:var(--c-primary-600);color:#fff}

/* ===== Page banner ===== */
.page-banner{position:relative;min-height:260px;display:flex;align-items:flex-end;overflow:hidden;background:var(--c-dark)}
.page-banner .banner-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(13,59,46,.93) 0%,rgba(14,21,18,.68) 62%,rgba(14,21,18,.58) 100%);
}
.banner-inner{position:relative;z-index:2;padding-top:60px;padding-bottom:44px;color:#fff;max-width:820px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumb .sep{color:rgba(255,255,255,.4)}
.crumb .current{color:#fff}
.page-banner h1{color:#fff;margin-bottom:14px}
.banner-sub{color:rgba(255,255,255,.8);font-size:16.5px;max-width:640px;margin:0 0 22px}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-600);color:#fff}
.btn-cta{background:var(--c-cta);color:#fff}
.btn-cta:hover{background:var(--c-cta-600);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:rgba(13,59,46,.08);color:var(--c-primary-600)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(13,59,46,.25);padding-bottom:2px}
.text-link:hover{color:var(--c-primary-600);border-color:var(--c-primary-600)}

/* ===== Sections ===== */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;
  color:var(--c-primary-300);text-transform:uppercase;margin-bottom:10px;font-weight:600;
}
.section-head p{max-width:640px;color:var(--c-muted);font-size:15.5px;margin:12px 0 0}
.dot-accent{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}

/* ===== Quick bar ===== */
.quickbar{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.quickbar-inner{display:flex;flex-wrap:wrap;align-items:center;gap:18px;padding:16px 0;font-size:14.5px;color:var(--c-muted)}
.quickbar .tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(199,240,74,.3);color:var(--c-primary);font-size:12.5px;font-weight:600;border:1px solid rgba(13,59,46,.12);
}
.quickbar strong{color:var(--c-ink);font-weight:600}

/* ===== Intro ===== */
.intro-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:56px;align-items:start}
.intro-list{display:flex;flex-direction:column;gap:28px;margin-top:32px}
.intro-item{display:grid;grid-template-columns:auto 1fr;gap:16px;padding-left:2px}
.intro-num{
  font-size:13px;font-weight:700;color:var(--c-primary-300);border-left:2px solid var(--c-accent);
  padding-left:10px;line-height:1.6;letter-spacing:.06em;
}
.intro-item h3{margin-bottom:6px}
.intro-item p{color:var(--c-muted);font-size:15.5px;margin:0}
.intro-body p{color:#3A423E}
.intro-figure{margin-top:28px}
.frame{
  position:relative;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--c-line);
  background:#E9E7DF;box-shadow:var(--sh-1);
}
.frame img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease}
.frame:hover img{transform:scale(1.03)}
.ratio-16x10{aspect-ratio:16/10}
.ratio-4x3{aspect-ratio:4/3}
.ratio-3x4{aspect-ratio:3/4}

/* ===== Media rows (分类页1 主版式) ===== */
.rows-head{border-bottom:1px solid var(--c-line);padding-bottom:14px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-muted);letter-spacing:.04em}
.media-row{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:36px;align-items:center;
  padding:36px 0;border-bottom:1px solid var(--c-line);
}
.media-row.reverse .media-figure{order:2}
.media-body .meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--c-muted);margin-top:16px}
.meta-sep{width:1px;height:12px;background:var(--c-line);display:inline-block}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;background:rgba(199,240,74,.3);color:var(--c-primary);
  border:1px solid rgba(13,59,46,.12);
}
.chip-muted{background:rgba(13,59,46,.06);color:var(--c-primary-300);border-color:transparent}
.media-body h3{margin:14px 0 10px}
.media-body .excerpt{color:var(--c-muted);font-size:15.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.media-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--c-line);padding-top:14px;margin-top:18px}
.media-row:hover .frame img{transform:scale(1.03)}
.media-row:hover h3{color:var(--c-primary-600)}

/* ===== Scenarios ===== */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;background:var(--c-surface)}
.scene-cell{padding:30px 26px;border-right:1px solid var(--c-line)}
.scene-cell:last-child{border-right:none}
.scene-cell .k{font-size:13px;color:var(--c-primary-300);font-weight:700;letter-spacing:.06em}
.scene-cell h3{font-size:18px;margin:12px 0 8px}
.scene-cell p{font-size:14.5px;color:var(--c-muted);margin:0}

/* ===== Steps timeline ===== */
.timeline{border-top:1px solid var(--c-line)}
.tl-item{display:grid;grid-template-columns:96px minmax(0,1fr) 120px;gap:24px;padding:24px 0;border-bottom:1px solid var(--c-line);align-items:baseline}
.tl-no{font-size:15px;font-weight:700;color:var(--c-primary-300);letter-spacing:.08em}
.tl-item h3{font-size:18px;margin-bottom:4px}
.tl-item p{font-size:14.5px;color:var(--c-muted);margin:0}
.tl-time{font-size:13px;color:var(--c-muted);text-align:right}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px}
.faq-item{border-top:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:1px solid var(--c-line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .mark{position:relative;width:16px;height:16px;flex:none}
.faq-item summary .mark::before,.faq-item summary .mark::after{
  content:"";position:absolute;background:var(--c-primary-300);left:0;top:7.5px;width:16px;height:1.5px;
}
.faq-item summary .mark::after{transform:rotate(90deg);transition:transform .2s ease}
.faq-item[open] summary .mark::after{transform:rotate(0deg)}
.faq-item .answer{background:#F9F8F4;border-radius:var(--r-sm);padding:18px 20px;margin-bottom:20px;font-size:15.5px;color:#3A423E}
.faq-item summary:hover{color:var(--c-primary)}

/* ===== Related categories ===== */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(13,59,46,.3)}
.rel-card h3{margin:14px 0 8px;color:var(--c-ink)}
.rel-card p{font-size:14.5px;color:var(--c-muted);margin:0 0 18px}
.rel-card .go{font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(13,59,46,.25);padding-bottom:2px}

/* ===== CTA ===== */
.cta-band{background:var(--c-dark);color:#fff;padding:72px 0}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.cta-band h2{color:#fff}
.cta-band p{color:var(--c-dark-ink);margin:12px 0 0;font-size:15.5px}
.subscribe-form{display:flex;gap:12px}
.subscribe-form input{
  flex:1;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:15px;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.5)}
.subscribe-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 2px rgba(199,240,74,.22)}
.form-note{font-size:13px;color:rgba(255,255,255,.55);margin-top:12px}

/* ===== Footer ===== */
.site-footer{background:var(--c-dark);color:var(--c-dark-ink);padding:68px 0 28px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:0}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.1)}
.footer-col:first-child{padding-left:0;border-left:none}
.footer-col:last-child{padding-right:0}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-dot{background:var(--c-accent)}
.footer-desc{font-size:14.5px;color:var(--c-dark-ink);line-height:1.85;margin:0;max-width:300px}
.footer-title{font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.5);margin-bottom:16px;font-weight:600}
.footer-link{display:block;color:var(--c-dark-ink);font-size:14.5px;padding:5px 0}
.footer-link:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .nav-desktop{display:none}
  .burger{display:inline-flex}
  .nav-cta{display:none}
  .section{padding:64px 0}
  .intro-grid{grid-template-columns:1fr;gap:36px}
  .media-row{grid-template-columns:1fr;gap:22px;padding:28px 0}
  .media-row.reverse .media-figure{order:0}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-cell:nth-child(2){border-right:none}
  .scene-cell:nth-child(-n+2){border-bottom:1px solid var(--c-line)}
  .rel-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .footer-col{padding:0 20px}
  .footer-col:nth-child(odd){padding-left:0;border-left:none}
  .tl-item{grid-template-columns:64px minmax(0,1fr) 100px;gap:16px}
}
@media (max-width:768px){
  .container{padding-left:20px;padding-right:20px}
  h1{font-size:clamp(26px,7vw,32px)}
  .section{padding:48px 0}
  .banner-inner{padding-top:44px;padding-bottom:34px}
  .page-banner{min-height:230px}
  .scene-grid{grid-template-columns:1fr}
  .scene-cell{border-right:none;border-bottom:1px solid var(--c-line)}
  .scene-cell:last-child{border-bottom:none}
  .tl-item{grid-template-columns:1fr;gap:6px}
  .tl-time{text-align:left}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{padding:0;border-left:none;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:24px}
  .footer-col:last-child{border-bottom:none;padding-bottom:0}
  .footer-bottom{flex-direction:column}
  .media-foot{flex-direction:column;align-items:flex-start;gap:10px}
}

/* roulang page: category3 */
:root{
  --c-primary:#0D3B2E; --c-primary-600:#0A2E24; --c-primary-300:#2C8A67;
  --c-accent:#C7F04A; --c-cta:#FF5A1F; --c-cta-600:#E04A12;
  --c-bg:#F6F5F1; --c-surface:#FFFFFF; --c-ink:#141917; --c-muted:#5C6560;
  --c-line:#E3E1D8; --c-dark:#0E1512; --c-dark-ink:rgba(255,255,255,.72);
  --r-card:16px; --r-lg:18px; --r-sm:8px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,25,23,.06);
  --sh-2:0 14px 34px -20px rgba(20,25,23,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
.site{
  margin:0;padding:0;
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;line-height:1.95;color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
.site h1,.site h2,.site h3,.site h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}
.site h1{font-size:clamp(30px,4.4vw,46px)}
.site h2{font-size:clamp(24px,3vw,30px)}
.site h3{font-size:20px}
.site p{margin:0 0 1.1em}
.site a{color:var(--c-primary);text-decoration:none}
.site a:hover{color:var(--c-primary-600)}
.site img{display:block;max-width:100%}
.site ul,.site ol{list-style:none;margin:0;padding:0}
.site button{font:inherit;cursor:pointer}
.site input{font:inherit}
.tnum{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,241,.88);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap}
.brand:hover{color:var(--c-primary)}
.brand-dot{width:8px;height:8px;border-radius:2px;background:var(--c-primary);flex:none}
.nav-desktop{display:flex;align-items:center;gap:32px}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--c-muted);transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::before{content:"";position:absolute;left:0;top:50%;width:6px;height:6px;margin-top:-9px;border-radius:50%;background:var(--c-primary)}
.nav-link.is-active{padding-left:14px}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{font-size:14px;color:var(--c-primary);border-bottom:1px solid currentColor;padding-bottom:2px}
.nav-cta:hover{color:var(--c-cta);border-bottom-color:var(--c-cta)}
.burger{display:none;width:40px;height:40px;border:0;background:transparent;position:relative;flex:none}
.burger span{display:block;width:20px;height:1.5px;background:var(--c-ink);margin:0 auto;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:1.5px;background:var(--c-ink)}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* 移动抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:90;background:var(--c-surface);display:flex;flex-direction:column;padding:22px 22px 28px;transform:translateY(-102%);transition:transform .3s ease;visibility:hidden}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--c-line)}
.drawer-close{border:0;background:transparent;font-size:14px;color:var(--c-muted)}
.drawer-nav{display:flex;flex-direction:column;margin-top:10px}
.drawer-link{font-size:20px;padding:14px 2px;border-bottom:1px solid var(--c-line);color:var(--c-ink)}
.drawer-link.is-active{color:var(--c-primary);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--c-line)}
.drawer-foot p{font-size:13px;color:var(--c-muted);margin:10px 0 0}

/* ===== 页头横幅 ===== */
.hero-banner{position:relative;background:var(--c-dark);overflow:hidden}
.hero-banner__media{position:absolute;inset:0}
.hero-banner__media img{width:100%;height:100%;object-fit:cover;opacity:.55}
.hero-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(13,59,46,.9) 0%,rgba(14,21,18,.68) 100%)}
.hero-banner__inner{position:relative;z-index:2;padding:80px 0 72px;max-width:760px}
.hero-title{color:#fff;margin-bottom:14px}
.hero-sub{color:rgba(255,255,255,.8);font-size:17px;margin:0;max-width:540px}
.eyebrow{display:inline-flex;align-items:center;height:28px;padding:0 12px;margin-bottom:18px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary);font-size:13px;letter-spacing:.04em}
.eyebrow--light{background:transparent;border-color:rgba(255,255,255,.36);color:#fff}
.breadcrumb{display:flex;align-items:center;gap:8px;padding:20px 0 0;font-size:13px;color:var(--c-muted)}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb [aria-current]{color:var(--c-ink)}

/* 通用板块头 */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{margin-bottom:10px}
.section-head p{color:var(--c-muted);font-size:15px;margin:0;max-width:660px}
.head-link{font-size:14px;white-space:nowrap;border-bottom:1px solid currentColor;padding-bottom:2px}

/* ===== 时间轴 / 目录式列表 ===== */
.timeline{border-left:1px solid var(--c-line);margin-left:6px}
.tl-item{position:relative;display:grid;grid-template-columns:76px 1fr 130px;gap:20px;align-items:start;padding:24px 0 24px 26px;border-bottom:1px solid var(--c-line);transition:background .2s ease}
.tl-item:last-child{border-bottom:0}
.tl-item:hover{background:rgba(255,255,255,.72)}
.tl-item::before{content:"";position:absolute;left:-4.5px;top:36px;width:8px;height:8px;border-radius:50%;background:var(--c-surface);border:1px solid var(--c-primary-300);transition:background .2s ease,border-color .2s ease}
.tl-item:hover::before{background:var(--c-accent);border-color:var(--c-accent)}
.tl-num{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--c-primary-300);padding-top:8px}
.tl-title{font-size:19px;margin-bottom:6px}
.tl-desc{margin:0;font-size:15px;line-height:1.8;color:var(--c-muted)}
.tl-meta{padding-top:8px;text-align:right;font-size:13px;color:var(--c-muted)}

/* ===== 图文焦点 ===== */
.feature-row{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.feature-figure{margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface);box-shadow:var(--sh-1)}
.feature-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .25s ease}
.feature-figure:hover img{transform:scale(1.03)}
.feature-figure figcaption{padding:12px 16px;font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line)}
.feature-list{margin-top:22px;display:grid;gap:12px}
.feature-list li{display:flex;gap:10px;font-size:15px;color:var(--c-muted)}
.feature-list li::before{content:"";flex:none;width:6px;height:6px;margin-top:11px;border-radius:50%;background:var(--c-accent)}

/* ===== 内容分类卡 ===== */
.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.info-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(13,59,46,.3)}
.info-card .tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:rgba(199,240,74,.22);color:var(--c-primary);font-size:12px;letter-spacing:.04em;margin-bottom:14px}
.info-card h3{font-size:19px;margin-bottom:10px}
.info-card p{font-size:14.5px;color:var(--c-muted);margin:0}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px}
.faq-item{border-top:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:1px solid var(--c-line)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 2px;font-size:17px;font-weight:600;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:400;color:var(--c-primary);line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item[open] summary{color:var(--c-primary)}
.faq-body{padding:2px 2px 22px;background:transparent;color:var(--c-muted);font-size:15.5px}
.faq-body p{margin:0}
.faq-panel{background:#F9F8F4;border-radius:var(--r-sm);padding:16px 18px}

/* ===== 相关分类 ===== */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(13,59,46,.3)}
.rel-card .rel-slug{font-size:13px;letter-spacing:.1em;color:var(--c-primary-300);font-weight:700}
.rel-card h3{font-size:19px;margin:10px 0 8px}
.rel-card p{font-size:14.5px;color:var(--c-muted);margin:0}
.rel-card .rel-more{display:inline-block;margin-top:16px;padding-top:12px;border-top:1px solid var(--c-line);width:100%;font-size:14px;color:var(--c-primary)}

/* ===== 订阅 CTA ===== */
.cta-band{background:var(--c-dark);border-radius:var(--r-lg);padding:48px 44px;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px}
.cta-band p{color:var(--c-dark-ink);font-size:15px;margin:0}
.cta-form{display:flex;gap:12px}
.cta-form input{flex:1;height:48px;padding:0 16px;border-radius:12px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;font-size:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(199,240,74,.18)}
.form-note{margin:12px 0 0;font-size:12.5px;color:rgba(255,255,255,.55)}
.form-msg{margin:10px 0 0;font-size:13px;min-height:18px}
.form-msg.ok{color:var(--c-accent)}
.form-msg.err{color:#FFB191}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-pill);border:1px solid transparent;font-size:15px;font-weight:600;text-decoration:none;transition:background .2s ease,color .2s ease,border-color .2s ease}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-600);color:#fff}
.btn-cta{background:var(--c-cta);color:#fff}
.btn-cta:hover{background:var(--c-cta-600);color:#fff}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-ghost:hover{background:rgba(13,59,46,.08);color:var(--c-primary)}
.btn-ghost-light{border-color:rgba(255,255,255,.4);color:#fff;background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);color:#fff}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-dark);color:var(--c-dark-ink);padding:64px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:0}
.footer-col{padding:0 28px}
.footer-col:first-child{padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.1)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700}
.footer-brand .brand-dot{background:var(--c-accent)}
.footer-desc{font-size:14px;line-height:1.85;margin:14px 0 0;color:rgba(255,255,255,.62)}
.footer-title{font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.5);margin-bottom:16px}
.footer-link{display:block;font-size:14.5px;color:var(--c-dark-ink);padding:5px 0}
.footer-link:hover{color:#fff;text-decoration:underline}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .nav-desktop,.nav-cta{display:none}
  .burger{display:block}
  .feature-row{grid-template-columns:1fr;gap:32px}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:1fr;gap:16px}
  .cta-band{grid-template-columns:1fr;padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col{padding:0}
  .footer-col + .footer-col{border-left:0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .hero-banner__inner{padding:64px 0 56px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .tl-item{grid-template-columns:1fr;gap:8px;padding:22px 0 22px 20px}
  .tl-num{padding-top:0}
  .tl-meta{text-align:left;padding-top:0}
  .tl-item::before{top:30px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .site{font-size:16px}
  .header-inner{height:68px}
  .brand{font-size:17px}
  .section{padding:48px 0}
  .section--tight{padding:44px 0}
  .info-grid{grid-template-columns:1fr}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root{
  --c-primary:#0D3B2E;
  --c-primary-600:#0A2E24;
  --c-primary-300:#2C8A67;
  --c-accent:#C7F04A;
  --c-cta:#FF5A1F;
  --c-cta-600:#E04A12;
  --c-bg:#F6F5F1;
  --c-surface:#FFFFFF;
  --c-ink:#141917;
  --c-muted:#5C6560;
  --c-line:#E3E1D8;
  --c-dark:#0E1512;
  --c-dark-ink:rgba(255,255,255,.72);
  --r-card:16px;
  --r-lg:18px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,25,23,.06);
  --sh-2:0 14px 34px -20px rgba(20,25,23,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.95;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
time,.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,241,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;letter-spacing:-.01em;
  color:var(--c-ink);text-decoration:none;white-space:nowrap;
}
.brand:hover{color:var(--c-primary);text-decoration:none;}
.brand-dot{width:9px;height:9px;border-radius:2px;background:var(--c-primary);display:inline-block;flex:0 0 auto;}
.nav-desktop{display:flex;align-items:center;gap:30px;}
.nav-link{position:relative;font-size:15px;color:var(--c-muted);text-decoration:none;padding:6px 0;white-space:nowrap;}
.nav-link:hover{color:var(--c-ink);text-decoration:none;}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:var(--c-primary);transition:right .22s ease;
}
.nav-link:hover::after{right:0;}
.nav-link.is-active{color:var(--c-ink);font-weight:600;}
.nav-link.is-active::after{right:0;}
.nav-link.is-active::before{
  content:"";position:absolute;left:-13px;top:50%;width:6px;height:6px;margin-top:-3px;
  border-radius:50%;background:var(--c-primary);
}
.nav-cta{
  font-size:14px;color:var(--c-primary);text-decoration:none;white-space:nowrap;
  border-bottom:1px solid rgba(13,59,46,.35);padding-bottom:2px;
}
.nav-cta:hover{color:var(--c-primary-600);border-color:var(--c-primary);text-decoration:none;}
.burger{
  display:none;position:relative;width:42px;height:42px;flex:0 0 auto;
  background:transparent;border:1px solid var(--c-line);border-radius:var(--r-sm);cursor:pointer;
}
.burger span{position:absolute;left:11px;right:11px;top:50%;height:1.5px;margin-top:-.75px;background:var(--c-ink);transition:.2s;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;right:0;height:1.5px;background:var(--c-ink);transition:.2s;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.burger.is-open span{background:transparent;}
.burger.is-open span::before{top:0;transform:rotate(45deg);}
.burger.is-open span::after{top:0;transform:rotate(-45deg);}

.drawer{
  position:fixed;left:0;right:0;top:76px;bottom:0;z-index:55;
  background:#FFFFFF;padding:20px 24px 40px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:none;}
.drawer-link{display:flex;align-items:center;gap:10px;font-size:20px;color:var(--c-ink);text-decoration:none;padding:15px 0;border-bottom:1px solid var(--c-line);}
.drawer-link:hover{color:var(--c-primary);text-decoration:none;}
.drawer-link.is-active{font-weight:600;color:var(--c-primary);}
.drawer-link.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.drawer-foot{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.drawer-foot span{font-size:13px;color:var(--c-muted);}

/* ---------- 页头横幅 ---------- */
.page-banner{
  position:relative;
  min-height:266px;
  display:flex;align-items:flex-end;
  background-image:
    linear-gradient(180deg,rgba(14,21,18,.80) 0%,rgba(13,59,46,.72) 60%,rgba(14,21,18,.86) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.banner-inner{padding:34px 24px 42px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px;}
.breadcrumb a{color:inherit;text-decoration:none;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:rgba(255,255,255,.94);}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#fff;
  border:1px solid rgba(255,255,255,.34);border-radius:var(--r-pill);padding:4px 14px;margin-bottom:16px;
}
.banner-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.banner-title{
  font-size:clamp(30px,4.4vw,44px);font-weight:700;color:#fff;letter-spacing:-.01em;max-width:760px;
}
.banner-sub{margin-top:14px;max-width:640px;font-size:16px;color:rgba(255,255,255,.80);}

/* ---------- 数据条 ---------- */
.stat-strip-wrap{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);}
.stat-item{padding:26px 24px;border-left:1px solid var(--c-line);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.2;letter-spacing:-.02em;}
.stat-num i{font-style:normal;font-size:15px;font-weight:600;margin-left:4px;color:var(--c-muted);}
.stat-label{font-size:13px;color:var(--c-muted);margin-top:4px;}

/* ---------- 通用板块 ---------- */
.sec{padding:88px 0;}
.sec-soft{background:#F1EFE8;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-white{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.sec-head-col{display:block;margin-bottom:32px;}
.sec-title{font-size:clamp(24px,2.9vw,30px);font-weight:700;letter-spacing:-.01em;}
.sec-title::before{
  content:"";display:block;width:34px;height:3px;background:var(--c-primary);
  border-radius:2px;margin-bottom:16px;
}
.sec-desc{margin-top:12px;max-width:660px;font-size:15.5px;color:var(--c-muted);}
.more-link{
  font-size:14.5px;color:var(--c-primary);text-decoration:none;white-space:nowrap;
  border-bottom:1px solid rgba(13,59,46,.35);padding-bottom:2px;flex:0 0 auto;
}
.more-link:hover{color:var(--c-primary-600);border-color:var(--c-primary);text-decoration:none;}

/* ---------- 特稿位 ---------- */
.feature{
  display:grid;grid-template-columns:1.15fr 1fr;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);text-decoration:none;color:inherit;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(13,59,46,.3);text-decoration:none;color:inherit;}
.feature-media{position:relative;min-height:320px;overflow:hidden;background:#E9E7DF;}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.feature:hover .feature-media img{transform:scale(1.03);}
.feature-body{padding:38px 36px;display:flex;flex-direction:column;justify-content:center;gap:16px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;color:var(--c-primary);
  background:rgba(13,59,46,.06);border:1px solid rgba(13,59,46,.14);
  border-radius:var(--r-pill);padding:3px 12px;
}
.pill::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-accent);}
.feature-title{font-size:clamp(21px,2.4vw,27px);font-weight:700;}
.feature-text{font-size:15.5px;color:var(--c-muted);line-height:1.9;}
.meta-row{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--c-muted);}
.meta-row .divider{width:1px;height:12px;background:var(--c-line);display:inline-block;}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--c-primary);margin-top:4px;}
.feature:hover .arrow-link{color:var(--c-primary-600);}

/* ---------- 双列杂志网格 ---------- */
.mag-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.mini-card{
  display:flex;gap:20px;align-items:stretch;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px;text-decoration:none;color:inherit;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(13,59,46,.3);text-decoration:none;color:inherit;}
.mini-thumb{flex:0 0 152px;width:152px;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:#E9E7DF;}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.mini-card:hover .mini-thumb img{transform:scale(1.03);}
.mini-body{display:flex;flex-direction:column;gap:10px;min-width:0;flex:1;}
.mini-title{font-size:18.5px;font-weight:600;line-height:1.5;}
.mini-text{font-size:14.5px;color:var(--c-muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);}

/* ---------- 标签区 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:7px 16px;font-size:14px;color:var(--c-ink);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag:hover{border-color:rgba(13,59,46,.3);color:var(--c-primary);}
.tag i{font-style:normal;font-size:12px;color:var(--c-muted);font-variant-numeric:tabular-nums;}

/* ---------- 更新节奏 ---------- */
.rhythm{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;}
.rhythm-item{background:var(--c-surface);padding:32px 30px;}
.rhythm-no{font-size:13px;font-weight:700;color:var(--c-primary-300);letter-spacing:.12em;font-variant-numeric:tabular-nums;}
.rhythm-title{font-size:20px;font-weight:700;margin:14px 0 10px;}
.rhythm-text{font-size:14.8px;color:var(--c-muted);line-height:1.9;}
.rhythm-time{margin-top:16px;font-size:13px;color:var(--c-primary);display:inline-flex;align-items:center;gap:8px;}
.rhythm-time::before{content:"";width:14px;height:1px;background:var(--c-primary);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq{border-top:1px solid var(--c-line);}
.faq details{border-bottom:1px solid var(--c-line);padding:0 18px;transition:background .2s ease;}
.faq details[open]{background:#F9F8F4;}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-weight:400;font-size:22px;line-height:1;color:var(--c-primary);flex:0 0 auto;}
.faq details[open] summary::after{content:"−";}
.faq-body{padding:0 0 24px;font-size:15.2px;color:var(--c-muted);max-width:720px;line-height:1.95;}

/* ---------- 相关分类 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;}
.cross-item{background:var(--c-surface);padding:30px 28px;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:12px;transition:background .2s ease;}
.cross-item:hover{background:#FBFAF6;text-decoration:none;color:inherit;}
.cross-kicker{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--c-primary-300);}
.cross-name{font-size:19px;font-weight:700;}
.cross-text{font-size:14.5px;color:var(--c-muted);line-height:1.85;}
.cross-more{font-size:14px;font-weight:600;color:var(--c-primary);margin-top:2px;}

/* ---------- CTA 深色区 ---------- */
.cta-band{
  background:var(--c-dark);color:#fff;border-radius:var(--r-lg);
  padding:46px 44px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
}
.cta-title{font-size:clamp(22px,2.6vw,28px);font-weight:700;color:#fff;}
.cta-desc{margin-top:12px;font-size:15px;color:var(--c-dark-ink);line-height:1.9;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 220px;height:48px;padding:0 16px;border-radius:12px;font-size:15px;
  border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.06);color:#fff;
  font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:rgba(255,255,255,.5);}
.cta-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(199,240,74,.18);}
.cta-tip{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:12px;}
.cta-note{font-size:13px;color:var(--c-accent);margin-top:10px;min-height:18px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;font-family:inherit;
  padding:12px 22px;border-radius:var(--r-pill);border:1px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-600);color:#fff;text-decoration:none;}
.btn-primary:active{transform:translateY(1px);}
.btn-cta{background:var(--c-cta);color:#fff;}
.btn-cta:hover{background:var(--c-cta-600);color:#fff;text-decoration:none;}
.btn-cta:active{transform:translateY(1px);}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-ghost:hover{background:rgba(13,59,46,.08);color:var(--c-primary);text-decoration:none;}
.btn-soft{border-color:rgba(255,255,255,.28);color:#fff;background:transparent;}
.btn-soft:hover{background:rgba(255,255,255,.10);color:#fff;text-decoration:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:var(--c-dark-ink);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;padding-bottom:46px;}
.footer-col+.footer-col{border-left:1px solid rgba(255,255,255,.10);padding-left:32px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;letter-spacing:-.01em;}
.footer-brand .brand-dot{background:var(--c-accent);}
.footer-desc{margin-top:16px;font-size:14px;color:var(--c-dark-ink);line-height:1.9;max-width:340px;}
.footer-title{color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:14px;}
.footer-link{display:block;font-size:14px;color:var(--c-dark-ink);text-decoration:none;padding:5px 0;}
.footer-link:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .sec{padding:66px 0;}
  .nav-desktop{gap:22px;}
  .header-inner{min-height:72px;}
  .drawer{top:72px;}
  .feature-body{padding:30px 28px;}
  .mini-thumb{flex:0 0 132px;width:132px;}
}
@media (max-width:900px){
  .nav-desktop,.nav-cta{display:none;}
  .burger{display:block;}
}
@media (max-width:768px){
  .sec{padding:52px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .page-banner{min-height:230px;}
  .banner-inner{padding:28px 24px 34px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-left:0;border-top:1px solid var(--c-line);padding:18px 0;}
  .stat-item:first-child{border-top:0;padding-top:22px;}
  .feature{grid-template-columns:1fr;}
  .feature-media{min-height:240px;}
  .mag-grid{grid-template-columns:1fr;}
  .rhythm{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:32px 24px;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-col+.footer-col{border-left:0;padding-left:0;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .banner-inner{padding:24px 20px 30px;}
  .brand{font-size:17px;}
  .mini-card{flex-direction:column;gap:14px;padding:14px;}
  .mini-thumb{flex:none;width:100%;aspect-ratio:16/10;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq summary{font-size:16px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#0D3B2E; --c-primary-600:#0A2E24; --c-primary-300:#2C8A67;
  --c-accent:#C7F04A; --c-cta:#FF5A1F; --c-cta-600:#E04A12;
  --c-bg:#F6F5F1; --c-surface:#FFFFFF; --c-ink:#141917; --c-muted:#5C6560;
  --c-line:#E3E1D8; --c-dark:#0E1512; --c-dark-ink:rgba(255,255,255,.72);
  --r-card:16px; --r-lg:18px; --r-sm:8px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,25,23,.06); --sh-2:0 14px 34px -20px rgba(20,25,23,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;line-height:1.95;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  background-image:linear-gradient(rgba(20,25,23,.022) 1px,transparent 1px);
  background-size:100% 34px;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-600);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3{font-weight:700;letter-spacing:-.01em;line-height:1.3;margin:0}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--c-primary-300);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,245,241,.86);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink)}
.brand:hover{color:var(--c-primary);text-decoration:none}
.brand-dot{width:9px;height:9px;border-radius:3px;background:var(--c-primary);flex:none}
.nav-desktop{display:flex;align-items:center;gap:34px}
.nav-link{position:relative;font-size:15px;color:var(--c-ink);padding:6px 0}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:var(--c-primary);transition:right .25s ease;
}
.nav-link:hover{color:var(--c-primary);text-decoration:none}
.nav-link:hover::after{right:0}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{right:0}
.nav-link.is-active::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);margin-right:7px;vertical-align:middle;
}
.nav-cta{font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px solid var(--c-primary-300);padding-bottom:2px}
.nav-cta:hover{color:var(--c-primary-600);text-decoration:none;border-color:var(--c-primary-600)}
.burger{display:none;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-sm);background:transparent;cursor:pointer}
.burger span{display:block;width:18px;height:1.5px;background:var(--c-ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--c-ink)}
.burger span::before{top:-5px}
.burger span::after{top:5px}
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:#fff;padding:24px;
  display:flex;flex-direction:column;transform:translateX(100%);
  transition:transform .28s ease;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-sm);background:#fff;cursor:pointer;font-size:18px;color:var(--c-ink)}
.drawer-link{display:block;font-size:20px;font-weight:600;color:var(--c-ink);padding:15px 0;border-bottom:1px solid var(--c-line)}
.drawer-link.is-active{color:var(--c-primary)}
.drawer-foot{margin-top:auto;padding-top:28px;font-size:14px;color:var(--c-muted)}

/* ---------- hero ---------- */
.hero{
  position:relative;isolation:isolate;color:#fff;overflow:hidden;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(115deg,rgba(13,59,46,.88) 0%,rgba(10,46,36,.74) 52%,rgba(14,21,18,.84) 100%);
}
.hero-inner{padding:80px 0 58px}
.crumbs{font-size:13px;color:rgba(255,255,255,.72)}
.crumbs a{color:rgba(255,255,255,.88)}
.crumbs a:hover{color:#fff}
.hero-badge{margin:22px 0 0}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:5px 14px;font-size:13px;
  border:1px solid rgba(255,255,255,.42);border-radius:var(--r-pill);color:rgba(255,255,255,.92);
}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none}
.hero h1{font-size:clamp(30px,4.4vw,46px);margin:20px 0 16px;max-width:15em}
.hero-sub{color:rgba(255,255,255,.8);font-size:17px;max-width:34em;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{margin-top:52px;padding-top:26px;border-top:1px solid rgba(255,255,255,.2)}
.stat-num{font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.15}
.stat-label{font-size:13px;color:rgba(255,255,255,.7)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .12s ease;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-cta);color:#fff}
.btn-primary:hover{background:var(--c-cta-600);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{background:var(--c-primary-600);color:#fff}
.btn-outline{border-color:rgba(13,59,46,.35);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:rgba(13,59,46,.08);color:var(--c-primary)}

/* ---------- sections ---------- */
.section{padding:92px 0}
.section-tight{padding:64px 0}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--c-primary-300);margin-bottom:12px;text-transform:uppercase}
.h2{font-size:clamp(24px,2.7vw,31px);margin-bottom:14px}
.lead{color:var(--c-muted);font-size:16.5px;max-width:62ch}
.section-head{margin-bottom:44px}
.link-more{font-size:14px;font-weight:600;white-space:nowrap}
.num-item{display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--c-line)}
.num-item .idx{font-size:14px;font-weight:700;color:var(--c-primary-300);flex:none;width:34px;padding-top:3px}
.num-item h3{font-size:17px;margin-bottom:4px}
.num-item p{margin:0;font-size:15px;color:var(--c-muted);line-height:1.85}
.portrait-frame{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);background:#e9e7df}
.portrait-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5}

/* ---------- tiles ---------- */
.tile{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tile:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(13,59,46,.3)}
.tile-media{aspect-ratio:16/10;overflow:hidden;background:#e9e7df}
.tile-media img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease}
.tile:hover .tile-media img{transform:scale(1.03)}
.tile-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.tile-body h3{font-size:19px}
.tile-body p{margin:0;font-size:15px;color:var(--c-muted);line-height:1.82}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--r-pill);background:rgba(199,240,74,.3);color:#3E5711}
.pill-soft{background:rgba(13,59,46,.08);color:var(--c-primary)}
.tile-link{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);font-size:14px;font-weight:600;color:var(--c-primary)}

/* ---------- rank list ---------- */
.rank-list{border-top:1px solid var(--c-line)}
.rank-row{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:20px;align-items:center;
  padding:22px 4px;border-bottom:1px solid var(--c-line);
  transition:background .2s ease,padding-left .2s ease;
}
.rank-row:hover{background:rgba(13,59,46,.03);padding-left:12px}
.rank-num{font-size:14px;font-weight:700;color:var(--c-primary-300)}
.rank-title{font-size:17px;font-weight:600}
.rank-desc{font-size:14px;color:var(--c-muted);line-height:1.75}
.rank-time{font-size:13px;color:var(--c-muted);white-space:nowrap}

/* ---------- metric strip ---------- */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.metric{padding:30px 24px}
.metric + .metric{border-left:1px solid var(--c-line)}
.metric-num{font-size:28px;font-weight:700;color:var(--c-primary);line-height:1.2}
.metric-label{font-size:13.5px;color:var(--c-muted);margin-top:4px}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--c-line)}
details.faq{border-bottom:1px solid var(--c-line)}
details.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;font-size:17px;font-weight:600;cursor:pointer;list-style:none;
  transition:color .2s ease;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary:hover{color:var(--c-primary)}
.icon-plus{position:relative;width:14px;height:14px;flex:none}
.icon-plus::before,.icon-plus::after{content:"";position:absolute;background:var(--c-primary-300);transition:transform .2s ease}
.icon-plus::before{left:0;top:6.25px;width:14px;height:1.5px}
.icon-plus::after{top:0;left:6.25px;height:14px;width:1.5px}
details[open] .icon-plus::after{transform:scaleY(0)}
.faq-body{
  margin:0 0 18px;padding:18px 20px 22px;background:#F9F8F4;border-radius:var(--r-sm);
  font-size:15.5px;color:var(--c-muted);line-height:1.9;
}
.faq-body p:last-child{margin-bottom:0}

/* ---------- cross links ---------- */
.cat-link{
  display:block;padding:26px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cat-link:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(13,59,46,.3);text-decoration:none}
.cat-link h3{font-size:18px;margin:12px 0 8px;color:var(--c-ink)}
.cat-link p{margin:0;font-size:14.5px;color:var(--c-muted);line-height:1.8}
.cat-link .go{display:inline-block;margin-top:16px;font-size:14px;font-weight:600;color:var(--c-primary)}

/* ---------- cta ---------- */
.cta-band{
  background:var(--c-dark);color:#fff;border-radius:var(--r-lg);
  padding:52px 48px;display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:10px;color:#fff}
.cta-band p{color:var(--c-dark-ink);margin:0}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{
  flex:1;min-width:200px;height:48px;padding:0 16px;color:#fff;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:rgba(255,255,255,.5)}
.sub-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(199,240,74,.18)}
.form-note{font-size:13px;color:rgba(255,255,255,.55);margin:12px 0 0}
.form-ok{font-size:14px;font-weight:600;color:var(--c-accent);margin:12px 0 0;display:none}
.form-ok.show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:var(--c-dark-ink);padding:72px 0 32px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand .brand-dot{background:var(--c-accent)}
.footer-desc{font-size:14px;line-height:1.9;max-width:34ch;margin:0}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-link{display:block;font-size:14.5px;color:rgba(255,255,255,.72);padding:6px 0}
.footer-link:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.55);
}

@media (max-width:1023px){
  .nav-desktop{display:none}
  .nav-cta{display:none}
  .burger{display:inline-flex}
  .hero-inner{padding:60px 0 48px}
  .section{padding:68px 0}
  .cta-band{grid-template-columns:1fr;padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col + .footer-col{border-left:none;padding-left:0}
  .metric-strip{grid-template-columns:1fr 1fr}
  .metric:nth-child(3){border-left:none;border-top:1px solid var(--c-line)}
  .metric:nth-child(4){border-top:1px solid var(--c-line)}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .header-inner{height:68px}
  .brand{font-size:17px}
  .section{padding:54px 0}
  .hero h1{margin:16px 0 12px}
  .rank-row{grid-template-columns:40px minmax(0,1fr);gap:12px}
  .rank-time{grid-column:2}
  .metric-strip{grid-template-columns:1fr}
  .metric + .metric{border-left:none;border-top:1px solid var(--c-line)}
  .metric{padding:22px 4px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:56px 0 28px;margin-top:64px}
}
@media (max-width:520px){
  .hero-stats{grid-template-columns:1fr}
  .hero-cta .btn{width:100%;justify-content:center}
  .cta-band{padding:32px 20px}
}