/* roulang page: index */
:root{
  --primary:#0F3D3E;
  --primary-deep:#0B2B2C;
  --primary-soft:rgba(15,61,62,.08);
  --primary-soft-2:rgba(15,61,62,.14);
  --secondary:#E8A33D;
  --secondary-deep:#CE8A24;
  --accent:#FF6B57;
  --base:#F7F5F1;
  --card:#FFFFFF;
  --text:#1C1F1E;
  --text-2:#5A625F;
  --text-3:#8A918D;
  --line:#E3DFD8;
  --line-dark:rgba(255,255,255,.12);
  --r-poster:18px;
  --r-card:16px;
  --r-sm:12px;
  --r-nav:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(11,43,44,.06);
  --sh-md:0 8px 24px -12px rgba(11,43,44,.18);
  --sh-lg:0 24px 60px -24px rgba(11,43,44,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--base);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
@media (min-width:1600px){.container{max-width:1320px;}}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  padding:14px 0 6px;
  transition:box-shadow var(--dur) var(--ease),padding var(--dur) var(--ease);
}
.site-header.is-stuck .nav-panel{box-shadow:var(--sh-lg);}
.nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  background:rgba(247,245,241,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-nav);
  box-shadow:var(--sh-md);
  padding:10px 14px;
  transition:box-shadow var(--dur) var(--ease);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--primary);
  display:flex;align-items:center;justify-content:center;
  color:var(--secondary);font-size:17px;
  box-shadow:0 6px 16px -8px rgba(11,43,44,.55);
}
.brand-text{font-size:1.06rem;font-weight:700;letter-spacing:-.01em;color:var(--primary);white-space:nowrap;}
.brand-sub{display:block;font-size:.7rem;font-weight:400;color:var(--text-3);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;margin-left:6px;}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  border-radius:var(--r-sm);
  font-size:.9rem;color:var(--text-2);
  white-space:nowrap;
}
.nav-item i{font-size:15px;opacity:.85;}
.nav-item:hover{background:var(--primary-soft);color:var(--primary);}
.nav-item.active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--secondary);
}
.nav-cta{margin-left:auto;}
.nav-toggle{
  margin-left:auto;
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--card);color:var(--primary);
  display:none;align-items:center;justify-content:center;font-size:18px;
  transition:background-color var(--dur) var(--ease);
}
.nav-toggle:hover{background:var(--primary-soft);}

/* ---------- buttons ---------- */
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:46px;padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:.94rem;font-weight:600;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--secondary);color:#231703;box-shadow:0 10px 24px -14px rgba(232,163,61,.95);}
.btn-primary:hover{background:var(--secondary-deep);transform:translateY(-1px);color:#231703;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-outline{background:var(--card);color:var(--primary);border-color:var(--line);}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary-soft-2);color:var(--primary);}
.btn-dark{background:var(--primary);color:#fff;}
.btn-dark:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:.86rem;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  margin-top:8px;
  border-radius:24px;
  overflow:hidden;
  isolation:isolate;
  background:var(--primary-deep);
  min-height:520px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  transform:scale(1.02);
  z-index:0;
}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(90deg,rgba(11,43,44,.94) 0%,rgba(11,43,44,.78) 42%,rgba(11,43,44,.22) 78%,rgba(11,43,44,.05) 100%),
    linear-gradient(0deg,rgba(11,43,44,.86) 0%,rgba(11,43,44,.05) 55%);
}
.hero-cloud{
  position:absolute;right:-40px;bottom:-30px;width:520px;height:340px;
  opacity:.08;z-index:2;pointer-events:none;color:#fff;
}
.hero-inner{position:relative;z-index:3;padding-top:96px;padding-bottom:26px;}
.hero-copy{max-width:620px;color:#fff;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;letter-spacing:.14em;
  color:var(--secondary);
  border:1px solid rgba(232,163,61,.42);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:20px;
  background:rgba(232,163,61,.08);
}
.hero h1{
  font-size:clamp(2rem,5vw,3.6rem);
  font-weight:700;line-height:1.15;letter-spacing:-.02em;
  margin-bottom:16px;
}
.hero-sub{
  font-size:clamp(1rem,1.4vw,1.12rem);
  color:rgba(255,255,255,.82);
  max-width:520px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:.84rem;color:rgba(255,255,255,.72);}
.hero-facts li{display:flex;align-items:center;gap:8px;}
.hero-facts i{color:var(--secondary);font-size:13px;}

.hero-strip-wrap{position:relative;z-index:3;padding-bottom:26px;}
.hero-strip{
  display:flex;gap:14px;overflow-x:auto;
  padding:4px 20px 14px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.hero-strip::-webkit-scrollbar{display:none;}
.strip-item{
  flex:0 0 auto;width:132px;
  scroll-snap-align:start;
  border-radius:var(--r-sm);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  position:relative;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.strip-item img{width:100%;height:84px;object-fit:cover;}
.strip-item span{
  display:block;font-size:.72rem;color:rgba(255,255,255,.78);
  padding:7px 9px;background:rgba(11,43,44,.72);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.strip-item:hover{transform:scale(1.04);border-color:var(--secondary);}
.strip-item:hover span{color:#fff;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;
}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.2rem);letter-spacing:-.02em;}
.section-desc{margin-top:10px;color:var(--text-2);font-size:.95rem;max-width:620px;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.9rem;font-weight:600;color:var(--primary);white-space:nowrap;
}
.link-more i{font-size:12px;transition:transform var(--dur) var(--ease);}
.link-more:hover{color:var(--secondary-deep);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- rail ---------- */
.rail{
  display:flex;gap:20px;overflow-x:auto;
  padding:6px 4px 20px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.rail-card{
  flex:0 0 auto;width:222px;
  scroll-snap-align:start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.rail-thumb{position:relative;overflow:hidden;background:var(--primary-soft);}
.rail-thumb img{width:100%;height:126px;object-fit:cover;transition:transform var(--dur) var(--ease);}
.rail-card:hover .rail-thumb img{transform:scale(1.03);}
.rail-body{padding:14px 16px 18px;}
.rail-body h3{font-size:1.02rem;font-weight:600;margin-bottom:8px;line-height:1.4;}
.rail-body p{font-size:.84rem;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-meta{margin-top:12px;font-size:.76rem;color:var(--text-3);letter-spacing:.02em;}

/* ---------- badges ---------- */
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:.72rem;letter-spacing:.02em;
  background:var(--primary-soft);color:var(--primary);
}
.badge-hot{background:rgba(255,107,87,.14);color:#C53B27;}
.badge-num{
  position:absolute;left:10px;top:10px;
  width:26px;height:26px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:var(--secondary);color:#231703;
  font-size:.78rem;font-weight:700;
  box-shadow:0 6px 14px -8px rgba(11,43,44,.7);
}

/* ---------- hot grid ---------- */
.hot-card{
  position:relative;border-radius:var(--r-poster);overflow:hidden;
  border:1px solid var(--line);background:var(--primary-soft);
  box-shadow:var(--sh-sm);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  display:block;height:100%;
}
.hot-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.hot-card img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur) var(--ease);}
.hot-card:hover img{transform:scale(1.03);}
.hot-main{min-height:378px;}
.hot-main img{height:378px;}
.hot-small{min-height:181px;}
.hot-small img{height:181px;}
.hot-float{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px;
  color:#fff;
  background:linear-gradient(0deg,rgba(11,43,44,.94) 6%,rgba(11,43,44,.55) 58%,rgba(11,43,44,0) 100%);
}
.hot-float h3{font-size:1.18rem;margin:10px 0 8px;}
.hot-float p{font-size:.86rem;color:rgba(255,255,255,.78);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hot-float .badge-tag{background:rgba(255,255,255,.16);color:#fff;}
.hot-sub{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.pick-card{
  position:relative;display:block;border-radius:var(--r-sm);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-sm);background:var(--primary-soft);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.pick-card img{width:100%;height:128px;object-fit:cover;transition:transform var(--dur) var(--ease);}
.pick-card:hover img{transform:scale(1.03);}
.pick-body{padding:12px 14px 14px;background:var(--card);}
.pick-body h3{font-size:.94rem;font-weight:600;margin-bottom:6px;}
.pick-body span{font-size:.76rem;color:var(--text-3);}

/* ---------- news list ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:16px;}
.news-item{
  display:flex;gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:16px;
  box-shadow:var(--sh-sm);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--primary-soft-2);}
.news-thumb{
  flex:0 0 96px;width:96px;height:96px;border-radius:var(--r-sm);
  overflow:hidden;background:var(--primary-soft);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-main{min-width:0;flex:1 1 auto;display:flex;flex-direction:column;}
.news-main h3{
  font-size:1.04rem;font-weight:600;line-height:1.4;
  margin-bottom:6px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.news-main h3 a:hover{color:var(--secondary-deep);}
.news-main p{
  font-size:.86rem;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:auto;
}
.news-foot{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-top:12px;font-size:.76rem;color:var(--text-3);letter-spacing:.02em;
}
.news-foot .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.empty-state{
  border:1px dashed var(--line);
  background:var(--card);
  border-radius:var(--r-card);
  padding:56px 24px;
  text-align:center;
}
.empty-state i{font-size:32px;color:var(--text-3);}
.empty-state p{margin:14px 0 18px;color:var(--text-2);font-size:.94rem;}

/* ---------- category entries ---------- */
.entry-grid{display:grid;grid-template-columns:1fr;gap:22px;}
.entry-card{
  position:relative;display:block;overflow:hidden;
  border-radius:var(--r-poster);
  border:1px solid var(--line);
  background:var(--card);
  box-shadow:var(--sh-sm);
  min-height:300px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.entry-card img{width:100%;height:100%;min-height:300px;object-fit:cover;transition:transform var(--dur) var(--ease);}
.entry-card:hover img{transform:scale(1.03);}
.entry-body{
  position:absolute;left:0;right:0;bottom:0;
  padding:24px;color:#fff;
  background:linear-gradient(0deg,rgba(11,43,44,.95) 8%,rgba(11,43,44,.6) 58%,rgba(11,43,44,0) 100%);
}
.entry-body h3{font-size:1.24rem;margin-bottom:8px;display:flex;align-items:center;gap:10px;}
.entry-body p{font-size:.87rem;color:rgba(255,255,255,.78);max-width:420px;}
.entry-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;}
.count-pill{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);color:#fff;font-size:.75rem;
}
.entry-arrow{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--secondary);color:#231703;font-size:13px;
  transition:transform var(--dur) var(--ease);
}
.entry-card:hover .entry-arrow{transform:translateX(4px);}
.entry-card.tall{min-height:360px;}
.entry-card.tall img{min-height:360px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-md);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 22px;border:0;background:transparent;text-align:left;
  font-size:1.02rem;font-weight:600;color:var(--text);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:3px;background:var(--secondary);
  transform:scaleY(0);transform-origin:center;
  transition:transform var(--dur) var(--ease);
}
.faq-q[aria-expanded="true"]::before{transform:scaleY(1);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);
  font-size:12px;
  transition:transform 180ms var(--ease),background-color var(--dur) var(--ease);
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(180deg);background:var(--primary);color:#fff;}
.faq-a{padding:0 22px 22px;color:var(--text-2);font-size:.94rem;}

/* ---------- CTA ---------- */
.cta-banner{
  position:relative;overflow:hidden;
  border-radius:24px;
  background:var(--primary-deep);
  color:#fff;
  padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid var(--line-dark);
}
.cta-banner h2{font-size:clamp(1.4rem,2.4vw,2rem);margin-bottom:12px;}
.cta-banner p{color:rgba(255,255,255,.76);max-width:520px;font-size:.95rem;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}
.cta-cloud{
  position:absolute;right:-30px;top:-40px;width:420px;height:300px;
  opacity:.08;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:88px;
  background:var(--primary-deep);
  color:#fff;
  border-top:1px solid var(--line-dark);
  position:relative;
  overflow:hidden;
}
.footer-cloud{
  position:absolute;left:-60px;top:-70px;width:520px;height:300px;opacity:.06;pointer-events:none;
}
.footer-main{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.4fr 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:rgba(255,255,255,.1);color:var(--secondary);}
.footer-brand span{font-weight:700;font-size:1.05rem;}
.footer-about{color:rgba(255,255,255,.66);font-size:.88rem;max-width:320px;}
.footer-col h3{font-size:.94rem;margin-bottom:18px;color:#fff;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:12px;}
.footer-link{
  color:rgba(255,255,255,.72);font-size:.88rem;
  display:inline-flex;align-items:center;gap:8px;
  position:relative;
}
.footer-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--secondary);
  transition:width var(--dur) var(--ease);
}
.footer-link:hover{color:var(--secondary);}
.footer-link:hover::after{width:100%;}
.footer-contact li{color:rgba(255,255,255,.72);font-size:.88rem;display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--secondary);margin-top:6px;font-size:13px;}
.footer-bottom{
  position:relative;z-index:2;
  border-top:1px solid var(--line-dark);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:.82rem;color:rgba(255,255,255,.6);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-dark);color:rgba(255,255,255,.78);font-size:.82rem;
  background:transparent;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.to-top:hover{background:var(--secondary);color:#231703;border-color:var(--secondary);}

/* ---------- responsive ---------- */
@media (min-width:576px){
  .news-grid{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:992px){
  .section{padding:100px 0;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .entry-grid{grid-template-columns:1.15fr 1fr 1fr;}
  .entry-card.tall{min-height:380px;}
  .entry-card.tall img{min-height:380px;}
}
@media (max-width:1199px){
  .hot-main, .hot-main img{min-height:330px;height:330px;}
}
@media (max-width:991px){
  .nav-links{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-nav);
    box-shadow:var(--sh-lg);
    padding:12px;
  }
  .nav-panel{position:relative;}
  .nav-links.open{display:flex;}
  .nav-item{height:48px;font-size:.95rem;}
  .nav-item.active::before{top:14px;bottom:14px;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .hero{min-height:520px;border-radius:20px;}
  .hero-inner{padding-top:72px;}
  .hot-main, .hot-main img{min-height:300px;height:300px;}
  .hot-small, .hot-small img{min-height:172px;height:172px;}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:44px 28px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:575px){
  .hot-sub{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:1fr;}
  .hero-strip{padding-left:20px;padding-right:20px;}
  .footer-main{grid-template-columns:1fr;gap:28px;}
  .news-item{flex-direction:column;}
  .news-thumb{width:100%;height:150px;flex:0 0 150px;}
  .news-main h3{white-space:normal;-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;}
  .brand-sub{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .hero-bg{transform:none;}
}

/* roulang page: article */
:root{
  --primary:#0F3D3E;
  --primary-deep:#0B2B2C;
  --secondary:#E8A33D;
  --accent:#FF6B57;
  --base:#F7F5F1;
  --card:#FFFFFF;
  --text:#1C1F1E;
  --text-2:#5A625F;
  --text-3:#8A918D;
  --line:#E3DFD8;
  --radius-lg:18px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(11,43,44,.06);
  --shadow-md:0 8px 24px -12px rgba(11,43,44,.18);
  --shadow-lg:0 24px 60px -24px rgba(11,43,44,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--base);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1600px){.container{max-width:1320px}}

/* ---------- 按钮 ---------- */
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:11px 22px;font-size:.92rem;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all 220ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--secondary);color:#20160a;box-shadow:0 6px 18px -8px rgba(232,163,61,.9)}
.btn-primary:hover{background:#d8932c;color:#20160a;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-outline{background:#fff;border-color:var(--line);color:var(--primary)}
.btn-outline:hover{background:rgba(15,61,62,.06);border-color:var(--primary)}
.btn-sm{padding:9px 18px;font-size:.86rem}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  padding:14px 0;
  background:rgba(247,245,241,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);border-bottom-color:var(--line)}
.nav-panel{
  position:relative;
  display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-md);
  padding:12px 18px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;flex:0 0 auto;
}
.brand-text{display:block;font-weight:700;font-size:1.03rem;letter-spacing:-.01em;line-height:1.2}
.brand-sub{display:block;font-size:.7rem;color:var(--text-3);letter-spacing:.16em;line-height:1.4}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 14px;
  border-radius:12px;font-size:.9rem;color:var(--text-2);
  transition:background 180ms var(--ease),color 180ms var(--ease);
}
.nav-item i{font-size:.85rem;opacity:.8}
.nav-item:hover{background:rgba(15,61,62,.07);color:var(--primary)}
.nav-item.active{background:rgba(15,61,62,.09);color:var(--primary);box-shadow:inset 3px 0 0 var(--secondary)}
.nav-item-cta-mobile{display:none}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--primary);font-size:1rem;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-cta{flex:0 0 auto}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:34px 0 56px;
  background:
    linear-gradient(100deg,rgba(11,43,44,.95) 0%,rgba(11,43,44,.82) 46%,rgba(15,61,62,.64) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.article-hero .container{position:relative;z-index:2}
.hero-cloud{position:absolute;right:-40px;bottom:-60px;width:420px;opacity:.07;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.83rem;color:rgba(255,255,255,.72);margin-bottom:26px}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:var(--secondary)}
.crumb-sep{opacity:.5}
.crumb-current{color:rgba(255,255,255,.6);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--secondary);border:1px solid rgba(232,163,61,.45);border-radius:999px;
  padding:5px 14px;margin-bottom:18px;
}
.article-hero h1{
  font-size:clamp(1.7rem,3.4vw,2.7rem);line-height:1.28;letter-spacing:-.02em;
  max-width:900px;margin-bottom:20px;
}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:.83rem;color:rgba(255,255,255,.72);letter-spacing:.02em}
.meta-line i{margin-right:5px;opacity:.8}
.meta-line .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4);display:inline-block}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 8px}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:30px 26px;
}
@media (min-width:992px){.article-card{padding:44px 48px}}
.article-body{font-size:1.0625rem;line-height:1.9;color:#333a38;max-width:820px}
.article-body > * + *{margin-top:1.2em}
.article-body p{margin:1.2em 0}
.article-body h2{
  font-size:1.42rem;line-height:1.45;color:var(--primary);
  margin:2.2em 0 .9em;padding-left:14px;border-left:4px solid var(--secondary);
}
.article-body h3{font-size:1.14rem;line-height:1.5;color:var(--text);margin:1.8em 0 .7em;font-weight:600}
.article-body h4{font-size:1.02rem;margin:1.5em 0 .6em;color:var(--text-2)}
.article-body ul,.article-body ol{padding-left:1.4em;margin:1.1em 0}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.5em 0}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;border-left:4px solid var(--secondary);
  background:rgba(232,163,61,.08);border-radius:0 14px 14px 0;color:var(--text-2);
}
.article-body img{border-radius:14px;margin:1.4em auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:.85rem;color:var(--text-3);text-align:center;margin-top:10px;letter-spacing:.02em}
.article-body pre{
  background:var(--primary-deep);color:#e6efee;padding:18px 20px;border-radius:14px;
  overflow-x:auto;font-size:.9rem;line-height:1.7;margin:1.5em 0;
}
.article-body code{
  background:rgba(15,61,62,.08);border-radius:6px;padding:2px 6px;font-size:.9em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#17605f}
.article-body table{width:100%;border-collapse:collapse;font-size:.95rem;margin:1.5em 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:rgba(15,61,62,.05);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

.article-empty{padding:60px 20px;text-align:center;color:var(--text-2)}
.article-empty i{font-size:2.4rem;color:var(--text-3);margin-bottom:16px;display:block}
.article-empty p{font-size:1.05rem;margin-bottom:20px}

/* ---------- 文末操作 ---------- */
.article-foot{
  margin-top:30px;padding-top:24px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-label{font-size:.8rem;color:var(--text-3);letter-spacing:.1em}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:.82rem;color:var(--text-2);
  background:rgba(15,61,62,.06);border-radius:999px;padding:6px 14px;
  transition:background 180ms var(--ease),color 180ms var(--ease);
}
.tag:hover{background:rgba(232,163,61,.2);color:#7a5312}
.back-link{font-size:.88rem;color:var(--primary);font-weight:600}
.back-link:hover{color:#17605f}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.section-head h2{font-size:clamp(1.3rem,2.2vw,1.75rem)}
.section-head .head-link{font-size:.88rem;color:var(--text-2);display:inline-flex;align-items:center;gap:6px}
.section-head .head-link:hover{color:var(--secondary)}
.card-cover{
  position:relative;overflow:hidden;border-radius:var(--radius-sm);
  background:rgba(15,61,62,.08);aspect-ratio:16/10;
}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 300ms var(--ease)}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.post-card:hover .card-cover img{transform:scale(1.03)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge-cat{
  display:inline-flex;align-items:center;align-self:flex-start;
  font-size:.74rem;letter-spacing:.06em;color:var(--primary);
  background:rgba(15,61,62,.08);border-radius:999px;padding:4px 12px;
}
.badge-hot{background:rgba(255,107,87,.14);color:#c3402c}
.post-body h3{font-size:1.03rem;line-height:1.45}
.post-body h3 a{color:var(--text)}
.post-body h3 a:hover{color:var(--primary)}
.post-excerpt{font-size:.88rem;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:.78rem;color:var(--text-3);letter-spacing:.02em}
.post-foot a{color:var(--primary);font-weight:600;font-size:.82rem}

/* ---------- 侧栏 ---------- */
@media (min-width:1200px){.side-sticky{position:sticky;top:104px}}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:22px;
}
.side-card + .side-card{margin-top:20px}
.side-title{font-size:1.02rem;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-title i{color:var(--secondary);font-size:.9rem}
.side-list li + li{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.side-item{display:flex;gap:12px;align-items:flex-start}
.side-thumb{width:64px;height:64px;border-radius:12px;object-fit:cover;flex:0 0 auto;background:rgba(15,61,62,.08)}
.side-item h3{font-size:.92rem;line-height:1.45;font-weight:600;margin-bottom:4px}
.side-item h3 a{color:var(--text)}
.side-item h3 a:hover{color:var(--primary)}
.side-item span{font-size:.76rem;color:var(--text-3)}
.side-card-dark{
  background:var(--primary-deep);border-color:rgba(255,255,255,.12);color:#fff;
}
.side-card-dark h2{color:#fff}
.side-card-dark p{font-size:.88rem;color:rgba(255,255,255,.72);margin:10px 0 18px;line-height:1.75}
.side-card-dark ul li{font-size:.86rem;color:rgba(255,255,255,.78);padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.14)}
.side-card-dark ul li:last-child{border-bottom:0}

/* ---------- FAQ ---------- */
.faq-section{padding:72px 0 0}
.faq-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow 220ms var(--ease);
}
.faq-card + .faq-card{margin-top:14px}
.faq-card:hover{box-shadow:var(--shadow-md)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:1rem;font-weight:600;color:var(--text);font-family:inherit;
}
.faq-q .faq-icon{color:var(--secondary);transition:transform 180ms var(--ease);font-size:.9rem}
.faq-q[aria-expanded="true"]{box-shadow:inset 3px 0 0 var(--secondary)}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:.93rem;color:var(--text-2);line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{padding:80px 0 88px}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--primary-deep);border-radius:var(--radius-lg);
  padding:44px 36px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  border:1px solid rgba(255,255,255,.12);
}
.cta-cloud{position:absolute;right:-30px;top:-40px;width:340px;opacity:.08}
.cta-inner h2{font-size:clamp(1.3rem,2.4vw,1.85rem);margin-bottom:12px}
.cta-inner p{font-size:.94rem;color:rgba(255,255,255,.74);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  background:var(--primary-deep);color:#fff;
  border-top:1px solid rgba(255,255,255,.12);
  padding:56px 0 24px;margin-top:8px;
}
.footer-cloud{position:absolute;right:-20px;top:-40px;width:380px;opacity:.06}
.site-footer .container{position:relative;z-index:2}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
@media (max-width:991px){.footer-main{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575px){.footer-main{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;margin-bottom:14px}
.footer-about{font-size:.88rem;color:rgba(255,255,255,.68);line-height:1.85;max-width:320px}
.footer-col h3{font-size:.92rem;letter-spacing:.06em;margin-bottom:16px;color:#fff}
.footer-col ul li{margin-bottom:10px}
.footer-link{font-size:.87rem;color:rgba(255,255,255,.72);position:relative;transition:color 180ms var(--ease)}
.footer-link:hover{color:var(--secondary);text-decoration:underline;text-underline-offset:4px}
.footer-contact li{display:flex;gap:10px;font-size:.85rem;color:rgba(255,255,255,.68);line-height:1.7;margin-bottom:12px}
.footer-contact i{color:var(--secondary);margin-top:5px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:.8rem;color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;
  border-radius:999px;padding:8px 16px;font-size:.8rem;cursor:pointer;
  transition:background 200ms var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.18)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .related{padding-top:52px}
}
@media (max-width:991.98px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-lg);padding:12px;display:none;
  }
  .nav-links.open{display:flex}
  .nav-item{height:48px;font-size:.95rem}
  .nav-item-cta-mobile{display:inline-flex;margin-top:6px;background:rgba(232,163,61,.16);color:#7a5312}
  .nav-cta{display:none}
  .article-hero{padding:26px 0 44px}
  .article-main{padding:40px 0 0}
  .faq-section,.related{padding-top:56px}
  .cta-band{padding:60px 0 68px}
}
@media (max-width:575.98px){
  .container{padding:0 18px}
  .article-card{padding:24px 18px}
  .cta-inner{padding:32px 22px}
  .section-head{margin-bottom:20px}
  .meta-line{font-size:.78rem}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --primary:#0F3D3E;
  --primary-deep:#0B2B2C;
  --secondary:#E8A33D;
  --secondary-dark:#D08F26;
  --accent:#FF6B57;
  --base:#F7F5F1;
  --card:#FFFFFF;
  --text:#1C1F1E;
  --text-2:#5A625F;
  --text-3:#8A918D;
  --line:#E3DFD8;
  --r-lg:18px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(11,43,44,.06);
  --sh-md:0 8px 24px -12px rgba(11,43,44,.18);
  --sh-lg:0 24px 60px -24px rgba(11,43,44,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--base);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1600px){
  .container{max-width:1320px}
}
.section{padding:clamp(56px,6.5vw,104px) 0}
.section-tight{padding-top:0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:clamp(24px,3vw,36px);
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.2rem);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-0.01em;
  margin-top:8px;
}
.eyebrow{
  display:inline-block;
  font-size:.78rem;
  letter-spacing:.16em;
  color:var(--secondary-dark);
  font-weight:600;
}
.eyebrow-dark{color:var(--secondary)}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.9rem;
  font-weight:600;
  color:var(--primary);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.text-link:hover{color:var(--secondary-dark);border-bottom-color:var(--secondary-dark)}
.text-link i{font-size:.78rem;transition:transform .2s var(--ease)}
.text-link:hover i{transform:translateX(3px)}
.lead{font-size:1rem;line-height:1.9;color:var(--text-2);max-width:800px}

/* 按钮 */
.btn-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:.92rem;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--secondary);
  color:#231A08;
  box-shadow:0 8px 20px -12px rgba(232,163,61,.95);
}
.btn-primary:hover{background:var(--secondary-dark);transform:translateY(-1px);color:#231A08}
.btn-outline-light{
  background:transparent;
  border-color:rgba(255,255,255,.42);
  color:#fff;
}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7);color:#fff;transform:translateY(-1px)}
.btn-outline{
  background:transparent;
  border-color:var(--line);
  color:var(--text);
}
.btn-outline:hover{background:rgba(15,61,62,.06);border-color:var(--primary);color:var(--primary)}
.btn-sm{height:40px;padding:0 18px;font-size:.86rem}
.btn-pill:focus-visible,.nav-item:focus-visible,.footer-link:focus-visible,.text-link:focus-visible,.to-top:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}

/* 导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:14px 0;
  transition:padding .24s var(--ease);
}
.site-header.is-scrolled{padding:9px 0}
.nav-panel{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px;
  border-radius:20px;
  background:rgba(247,245,241,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--sh-sm);
  transition:box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-scrolled .nav-panel{
  background:rgba(247,245,241,.97);
  box-shadow:var(--sh-md);
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;
  border-radius:13px;
  background:var(--primary);
  color:var(--secondary);
  display:grid;place-items:center;
  font-size:16px;
  flex-shrink:0;
}
.brand-text{display:block;font-size:1rem;font-weight:700;line-height:1.2;letter-spacing:-0.01em}
.brand-sub{display:block;font-size:.7rem;letter-spacing:.16em;color:var(--text-3)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  border-radius:12px;
  font-size:.875rem;
  color:var(--text-2);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.nav-item i{font-size:13px;color:var(--text-3);transition:color .2s var(--ease)}
.nav-item:hover{background:rgba(15,61,62,.07);color:var(--primary)}
.nav-item:hover i{color:var(--primary)}
.nav-item.active{background:rgba(15,61,62,.08);color:var(--primary);font-weight:600}
.nav-item.active i{color:var(--primary)}
.nav-item.active::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:20px;
  border-radius:2px;
  background:var(--secondary);
}
.nav-cta{margin-left:4px;flex-shrink:0}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  margin-left:auto;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  color:var(--primary);
  font-size:16px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:background-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(15,61,62,.06)}

/* 分类头 */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:26px 0 54px;
  color:#fff;
  background:
    linear-gradient(90deg,rgba(11,43,44,.95) 0%,rgba(11,43,44,.84) 46%,rgba(11,43,44,.52) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cat-hero-inner{position:relative;z-index:2;max-width:720px}
.crumbs{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:.82rem;
  color:rgba(255,255,255,.6);
  margin-bottom:26px;
  flex-wrap:wrap;
}
.crumbs a:hover{color:var(--secondary)}
.crumbs .sep{opacity:.45}
.crumbs .current{color:#fff}
.cat-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.76rem;
  letter-spacing:.14em;
  font-weight:600;
  color:var(--secondary);
  border:1px solid rgba(232,163,61,.45);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(1.75rem,3.8vw,2.65rem);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-0.02em;
  margin-bottom:18px;
}
.cat-lead{
  font-size:1rem;
  line-height:1.85;
  color:rgba(255,255,255,.8);
  max-width:620px;
}
.cat-metrics{
  display:flex;
  flex-wrap:wrap;
  gap:14px 42px;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
}
.cat-metric strong{
  display:block;
  font-size:clamp(1.35rem,2.4vw,1.85rem);
  font-weight:700;
  color:var(--secondary);
  line-height:1.2;
}
.cat-metric span{font-size:.82rem;color:rgba(255,255,255,.68)}
.cat-cloud{
  position:absolute;
  right:-30px;
  bottom:-40px;
  width:460px;
  opacity:.08;
  z-index:1;
  pointer-events:none;
}

/* 图文卡 */
.card-item{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card-item:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.card-cover{
  aspect-ratio:16/10;
  overflow:hidden;
  background:rgba(15,61,62,.08);
}
.card-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .22s var(--ease);
}
.card-item:hover .card-cover img{transform:scale(1.03)}
.card-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card-body h3{
  font-size:1.08rem;
  font-weight:600;
  line-height:1.45;
  margin:0;
}
.card-body p{
  font-size:.9rem;
  color:var(--text-2);
  line-height:1.75;
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.tag{
  font-size:.74rem;
  letter-spacing:.02em;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:rgba(15,61,62,.07);
  color:var(--primary);
}
.tag-hot{background:rgba(255,107,87,.14);color:#C9402C}

/* 图标小卡 */
.feature-card{
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 22px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.feature-icon{
  width:44px;height:44px;
  border-radius:13px;
  display:grid;place-items:center;
  background:rgba(15,61,62,.08);
  color:var(--primary);
  font-size:17px;
  margin-bottom:16px;
}
.feature-card h3{font-size:1.02rem;font-weight:600;line-height:1.45;margin-bottom:8px}
.feature-card p{font-size:.89rem;color:var(--text-2);line-height:1.75}
.feature-index{
  display:inline-block;
  font-size:.74rem;
  letter-spacing:.14em;
  color:var(--text-3);
  margin-bottom:12px;
}

/* 场景错落卡 */
.scene-card{
  height:100%;
  min-height:260px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  padding:26px 24px;
  color:#fff;
  box-shadow:var(--sh-sm);
  background:var(--primary-deep);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.scene-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,43,44,.12) 20%,rgba(11,43,44,.88) 100%);
  z-index:1;
}
.scene-card img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  z-index:0;
  transition:transform .25s var(--ease);
}
.scene-card:hover img{transform:scale(1.04)}
.scene-card > *{position:relative;z-index:2}
.scene-card h3{font-size:1.14rem;font-weight:600;margin-bottom:10px;line-height:1.4}
.scene-card p{font-size:.88rem;color:rgba(255,255,255,.78);line-height:1.75}
.scene-card.tall{min-height:320px}
.scene-tag{
  align-self:flex-start;
  font-size:.72rem;
  letter-spacing:.1em;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:rgba(232,163,61,.18);
  color:var(--secondary);
  border:1px solid rgba(232,163,61,.35);
  margin-bottom:14px;
}

/* 步骤 */
.step-card{
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 22px;
  box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.step-num{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--secondary);
  color:#231A08;
  font-weight:700;
  font-size:.95rem;
  display:grid;place-items:center;
  margin-bottom:16px;
}
.step-card h3{font-size:1rem;font-weight:600;margin-bottom:8px;line-height:1.45}
.step-card p{font-size:.88rem;color:var(--text-2);line-height:1.75}

/* 深色对照面板 */
.hud-panel{
  position:relative;
  overflow:hidden;
  background:var(--primary-deep);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);
  padding:clamp(26px,3.4vw,44px);
  color:#fff;
  box-shadow:var(--sh-lg);
}
.hud-panel h2{
  font-size:clamp(1.4rem,2.4vw,1.9rem);
  font-weight:700;
  line-height:1.3;
  margin-bottom:12px;
}
.hud-panel .hud-lead{
  font-size:.94rem;
  color:rgba(255,255,255,.7);
  max-width:620px;
  margin-bottom:28px;
}
.hud-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 40px;
  position:relative;
  z-index:2;
}
.hud-row{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:15px 0;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.hud-row span:first-child{font-size:.9rem;color:rgba(255,255,255,.86)}
.hud-row span:last-child{
  font-size:.82rem;
  color:var(--secondary);
  white-space:nowrap;
  padding-top:2px;
}
.hud-cloud{
  position:absolute;
  right:-40px;
  top:-30px;
  width:380px;
  opacity:.07;
  z-index:1;
  pointer-events:none;
}

/* FAQ */
.ka-faq .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md)!important;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-sm);
}
.ka-faq .accordion-button{
  position:relative;
  background:#fff;
  color:var(--text);
  font-weight:600;
  font-size:1rem;
  line-height:1.5;
  padding:20px 58px 20px 24px;
  border:0;
  border-radius:var(--r-md);
  box-shadow:none;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.ka-faq .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:0 2px 2px 0;
  background:var(--secondary);
  opacity:0;
  transition:opacity .18s var(--ease);
}
.ka-faq .accordion-button::after{
  content:"+";
  background-image:none!important;
  width:26px;height:26px;
  font-size:19px;
  font-weight:400;
  color:var(--primary);
  display:grid;
  place-items:center;
  line-height:1;
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  transition:transform .18s var(--ease),color .18s var(--ease);
}
.ka-faq .accordion-button:not(.collapsed){
  background:rgba(232,163,61,.07);
  color:var(--primary);
  box-shadow:none;
}
.ka-faq .accordion-button:not(.collapsed)::before{opacity:1}
.ka-faq .accordion-button:not(.collapsed)::after{
  transform:translateY(-50%) rotate(45deg);
  color:var(--secondary-dark);
}
.ka-faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(15,61,62,.22);border-color:var(--primary)}
.ka-faq .accordion-body{
  padding:0 24px 22px;
  font-size:.93rem;
  line-height:1.85;
  color:var(--text-2);
}

/* 互链卡 */
.link-card{
  display:flex;
  align-items:center;
  gap:18px;
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(232,163,61,.55)}
.link-icon{
  width:48px;height:48px;
  flex-shrink:0;
  border-radius:14px;
  background:rgba(15,61,62,.08);
  color:var(--primary);
  display:grid;place-items:center;
  font-size:18px;
}
.link-card h3{font-size:1.06rem;font-weight:600;margin-bottom:6px;line-height:1.4}
.link-card p{font-size:.87rem;color:var(--text-2);line-height:1.7}
.link-arrow{
  margin-left:auto;
  color:var(--secondary-dark);
  font-size:15px;
  transition:transform .2s var(--ease);
}
.link-card:hover .link-arrow{transform:translateX(4px)}

/* CTA */
.cta-banner{
  position:relative;
  overflow:hidden;
  background:var(--primary-deep);
  border-radius:var(--r-lg);
  padding:clamp(30px,4.4vw,58px);
  color:#fff;
  box-shadow:var(--sh-lg);
}
.cta-content{position:relative;z-index:2;max-width:640px}
.cta-banner h2{
  font-size:clamp(1.5rem,2.8vw,2.1rem);
  font-weight:700;
  line-height:1.28;
  margin-bottom:14px;
}
.cta-banner p{font-size:.96rem;color:rgba(255,255,255,.76);line-height:1.85;margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-cloud{
  position:absolute;
  right:-30px;
  bottom:-50px;
  width:440px;
  opacity:.08;
  z-index:1;
  pointer-events:none;
}

/* 页脚 */
.site-footer{
  position:relative;
  overflow:hidden;
  background:var(--primary-deep);
  border-top:1px solid rgba(255,255,255,.12);
  padding:72px 0 0;
  color:rgba(255,255,255,.72);
}
.footer-cloud{
  position:absolute;
  right:-40px;
  top:-40px;
  width:420px;
  opacity:.06;
  pointer-events:none;
}
.footer-main{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:11px;
  color:#fff;
  font-weight:700;
  font-size:1.02rem;
  margin-bottom:16px;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:var(--secondary)}
.footer-about{font-size:.9rem;line-height:1.85;max-width:310px;margin:0}
.footer-col h3{
  font-size:.95rem;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px}
.footer-link{
  position:relative;
  display:inline-block;
  font-size:.9rem;
  color:rgba(255,255,255,.72);
}
.footer-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  width:0;height:1px;
  background:var(--secondary);
  transition:width .22s var(--ease);
}
.footer-link:hover{color:var(--secondary)}
.footer-link:hover::after{width:100%}
.footer-contact li{display:flex;gap:11px;font-size:.88rem;line-height:1.7}
.footer-contact i{color:var(--secondary);margin-top:6px;flex-shrink:0}
.footer-bottom{
  position:relative;
  z-index:2;
  margin-top:56px;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:.82rem;
  color:rgba(255,255,255,.56);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;
  font-size:.82rem;
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.to-top:hover{background:var(--secondary);color:#231A08;border-color:transparent}

/* 响应式 */
@media (max-width:1199.98px){
  .footer-main{grid-template-columns:1.4fr 1fr 1fr;gap:34px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:10px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:20px;
    box-shadow:var(--sh-lg);
  }
  .nav-links.open{display:flex}
  .nav-item{height:48px;font-size:.95rem}
  .nav-item.active::before{height:24px}
  .nav-cta{
    width:42px;
    height:42px;
    padding:0;
    font-size:0;
    justify-content:center;
  }
  .nav-cta i{font-size:15px}
  .hud-grid{grid-template-columns:1fr;gap:0}
  .cat-hero{padding-bottom:44px}
  .cat-cloud{width:340px;opacity:.06}
}
@media (max-width:767.98px){
  .section-head{align-items:flex-start;gap:14px}
  .cat-metrics{gap:16px 30px}
  .footer-main{grid-template-columns:1fr;gap:32px}
  .footer-col:last-child{grid-column:auto}
  .footer-about{max-width:none}
  .scene-card,.scene-card.tall{min-height:240px}
  .cta-actions .btn-pill{width:100%}
}
@media (max-width:575.98px){
  body{font-size:15px}
  .brand-text{font-size:.94rem}
  .brand-sub{display:none}
  .cat-hero h1{font-size:1.6rem}
  .cat-lead{font-size:.94rem}
  .card-body{padding:18px}
  .footer-bottom{justify-content:flex-start}
  .hud-row{flex-direction:column;gap:6px}
  .hud-row span:last-child{white-space:normal}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --primary:#0F3D3E;
  --primary-dark:#0B2B2C;
  --secondary:#E8A33D;
  --accent:#FF6B57;
  --base:#F7F5F1;
  --card:#FFFFFF;
  --text:#1C1F1E;
  --text-2:#5A625F;
  --text-3:#8A918D;
  --line:#E3DFD8;
  --r-lg:18px;
  --r-md:16px;
  --r-sm:12px;
  --r-nav:20px;
  --sh-sm:0 1px 2px rgba(11,43,44,.06);
  --sh-md:0 8px 24px -12px rgba(11,43,44,.18);
  --sh-lg:0 24px 60px -24px rgba(11,43,44,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--base);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,p,ul{margin:0}
ul{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1600px){.container{max-width:1320px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:12px 0;
  background:rgba(247,245,241,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 12px 32px -26px rgba(11,43,44,.55)}
.nav-panel{
  position:relative;
  display:flex;align-items:center;gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-nav);
  padding:10px 14px;
  box-shadow:var(--sh-sm);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(145deg,#134A4B,#0B2B2C);
  color:var(--secondary);font-size:15px;
}
.brand-text{display:block;font-size:15px;font-weight:700;color:var(--primary-dark);line-height:1.25;letter-spacing:.01em}
.brand-sub{display:block;font-size:11px;color:var(--text-3);letter-spacing:.18em;line-height:1.4}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 14px;border-radius:12px;
  font-size:14px;color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-item i{font-size:13px;color:var(--text-3);transition:color .2s var(--ease)}
.nav-item:hover{background:rgba(15,61,62,.06);color:var(--primary)}
.nav-item:hover i{color:var(--primary)}
.nav-item.active{background:rgba(15,61,62,.09);color:var(--primary);font-weight:600}
.nav-item.active i{color:var(--secondary)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:3px;background:var(--secondary);
}
.nav-item-cta{display:none}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);color:var(--primary);
  place-items:center;font-size:15px;
}
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-size:14px;font-weight:600;line-height:1;
  padding:13px 22px;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--secondary);color:#2A1A02;box-shadow:0 10px 22px -14px rgba(232,163,61,.9)}
.btn-primary:hover{background:#D9932C;transform:translateY(-1px);color:#2A1A02}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-1px);color:#fff}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--line)}
.btn-outline:hover{background:rgba(15,61,62,.07);border-color:var(--primary);transform:translateY(-1px)}
.btn-sm{padding:11px 18px;font-size:13px}
.nav-cta{flex:0 0 auto}

@media (max-width:991px){
  .nav-toggle{display:grid;margin-left:auto}
  .nav-links{
    display:none;
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--card);border:1px solid var(--line);
    border-radius:16px;box-shadow:var(--sh-md);
    padding:10px;margin-left:0;
  }
  .nav-links.open{display:flex}
  .nav-item{height:48px;border-radius:12px;justify-content:flex-start}
  .nav-item-cta{
    display:inline-flex;margin-top:6px;
    background:rgba(232,163,61,.14);color:var(--primary);
    font-weight:600;
  }
  .nav-cta{display:none}
}

/* ============ 通用板块 ============ */
.section{padding:88px 0 0}
.section:last-of-type{padding-bottom:96px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:34px;
}
.section-kicker{
  font-size:12.5px;letter-spacing:.2em;color:var(--secondary);
  text-transform:uppercase;font-weight:600;margin-bottom:8px;
}
.section-title{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;letter-spacing:-.01em;line-height:1.3}
.section-title.light{color:#fff}
.section-kicker.light{color:var(--secondary)}
.section-link{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  font-size:14px;font-weight:600;color:var(--primary);
  padding-bottom:4px;border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),gap .2s var(--ease);
}
.section-link:hover{color:#0B2B2C;border-color:var(--secondary);gap:12px}

/* ============ 面包屑 ============ */
.breadcrumb-bar{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--text-3);letter-spacing:.02em;
  margin-top:26px;
}
.breadcrumb-bar a{color:var(--text-3);transition:color .2s var(--ease)}
.breadcrumb-bar a:hover{color:var(--primary)}
.breadcrumb-bar .sep{color:#C9C4BB}
.breadcrumb-bar [aria-current]{color:var(--text-2)}

/* ============ 分类头 ============ */
.cat-hero{
  position:relative;overflow:hidden;
  margin-top:18px;
  min-height:280px;
  display:flex;flex-direction:column;justify-content:center;
  padding:52px 48px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:#EEEBE3;
}
.cat-hero .hero-pattern{
  position:absolute;right:-40px;bottom:-60px;
  width:420px;height:300px;opacity:.08;
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;max-width:640px}
.cat-seal{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--card);border:1px solid var(--line);
  color:var(--secondary);font-size:17px;
  box-shadow:var(--sh-sm);
}
.cat-kicker{
  margin-top:18px;font-size:12.5px;letter-spacing:.2em;
  color:var(--text-3);font-weight:600;
}
.cat-hero h1{
  font-size:clamp(2rem,4.4vw,3.1rem);
  font-weight:700;line-height:1.18;letter-spacing:-.02em;
  color:var(--primary-dark);margin-top:10px;
}
.cat-lede{
  margin-top:14px;font-size:1.05rem;line-height:1.85;
  color:var(--text-2);max-width:560px;
}

/* ============ 栏目说明 ============ */
.intro{max-width:800px}
.intro h2{font-size:clamp(1.3rem,2.1vw,1.7rem);font-weight:700;margin-bottom:20px}
.intro p{color:var(--text-2);margin-bottom:1.2em;line-height:1.9}
.intro p:last-child{margin-bottom:0}

/* ============ 内容卡片 ============ */
.card-item{
  height:100%;
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card-item:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#D6D0C6}
.card-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:rgba(15,61,62,.08);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card-item:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.tag{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  color:var(--primary);background:rgba(15,61,62,.08);
  border-radius:999px;padding:5px 12px;
}
.card-title{font-size:1.12rem;font-weight:600;line-height:1.45;color:var(--text)}
.card-text{
  font-size:14.5px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ============ 深色对比面板 ============ */
.split-panel{
  position:relative;overflow:hidden;
  background:var(--primary-dark);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-lg);
  padding:56px 48px 52px;
  box-shadow:var(--sh-lg);
}
.split-panel::after{
  content:"";position:absolute;right:-90px;top:-80px;
  width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,163,61,.22),transparent 68%);
  pointer-events:none;
}
.panel-head{position:relative;z-index:2;max-width:680px;margin-bottom:34px}
.panel-lede{margin-top:12px;color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.85}
.panel-card{
  position:relative;z-index:2;height:100%;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);
  padding:26px 26px 24px;
  transition:background .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.panel-card:hover{background:rgba(255,255,255,.08);transform:translateY(-4px);border-color:rgba(232,163,61,.45)}
.panel-badge{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;letter-spacing:.1em;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.1);color:#fff;margin-bottom:16px;
}
.panel-card.accent .panel-badge{background:rgba(232,163,61,.2);color:var(--secondary)}
.panel-card h3{color:#fff;font-size:1.2rem;font-weight:600;margin-bottom:10px;line-height:1.45}
.panel-card p{color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.85}
.panel-list{margin-top:18px;display:grid;gap:10px}
.panel-list li{
  display:flex;align-items:center;gap:10px;
  color:rgba(255,255,255,.82);font-size:14px;
}
.panel-list i{color:var(--secondary);font-size:12px}
.panel-card.accent .panel-list i{color:var(--accent)}

/* ============ 栏目互链 ============ */
.cross-card{
  height:100%;
  display:flex;align-items:flex-start;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 26px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#D6D0C6}
.cross-icon{
  flex:0 0 auto;width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;font-size:17px;
  background:rgba(15,61,62,.08);color:var(--primary);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.cross-card:hover .cross-icon{background:var(--secondary);color:#2A1A02}
.cross-body{flex:1 1 auto}
.cross-body h3{font-size:1.15rem;font-weight:600;margin-bottom:8px}
.cross-body p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.cross-arrow{flex:0 0 auto;color:var(--text-3);align-self:center;transition:transform .22s var(--ease),color .22s var(--ease)}
.cross-card:hover .cross-arrow{transform:translateX(4px);color:var(--primary)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.open{border-color:#D6D0C6;box-shadow:var(--sh-md)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;
  padding:20px 22px;
  font-size:1.02rem;font-weight:600;color:var(--text);
  text-align:left;position:relative;
  transition:color .2s var(--ease);
}
.faq-item.open .faq-q{color:var(--primary)}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;
  width:3px;border-radius:3px;background:var(--secondary);
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;
  background:rgba(15,61,62,.08);color:var(--primary);
  transition:transform .18s var(--ease),background .18s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--secondary);color:#2A1A02}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{padding:0 22px 22px;color:var(--text-2);font-size:14.8px;line-height:1.9}

/* ============ CTA ============ */
.cta-banner{
  position:relative;overflow:hidden;
  background:var(--primary-dark);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-lg);
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--sh-lg);
}
.cta-cloud{position:absolute;right:-30px;bottom:-40px;width:340px;height:230px;opacity:.08;pointer-events:none}
.cta-content{position:relative;z-index:2;max-width:620px}
.cta-content h2{color:#fff;font-size:clamp(1.4rem,2.4vw,1.95rem);font-weight:700;line-height:1.35}
.cta-content p{margin-top:12px;color:rgba(255,255,255,.74);font-size:15.5px;line-height:1.85}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:96px;
  background:var(--primary-dark);
  border-top:1px solid rgba(255,255,255,.14);
  padding:64px 0 0;
  color:rgba(255,255,255,.72);
}
.footer-cloud{position:absolute;right:-60px;top:-70px;width:420px;height:280px;opacity:.06;pointer-events:none}
.footer-main{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:16px;font-weight:700}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14)}
.footer-about{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:320px}
.footer-col h3{font-size:14px;color:#fff;font-weight:600;margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:12px}
.footer-link{
  position:relative;font-size:14px;color:rgba(255,255,255,.72);
  transition:color .2s var(--ease);
}
.footer-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;
  background:var(--secondary);transition:width .22s var(--ease);
}
.footer-link:hover{color:var(--secondary)}
.footer-link:hover::after{width:100%}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
.footer-contact i{color:var(--secondary);font-size:13px;margin-top:6px}
.footer-bottom{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
  padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;border-radius:999px;
  padding:9px 16px;font-size:13px;
  transition:background .2s var(--ease),transform .2s var(--ease),color .2s var(--ease);
}
.to-top:hover{background:var(--secondary);color:#2A1A02;border-color:var(--secondary);transform:translateY(-1px)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .section{padding-top:76px}
  .footer-main{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991px){
  .section{padding-top:72px}
  .section:last-of-type{padding-bottom:80px}
  .cat-hero{padding:44px 32px;min-height:260px}
  .split-panel,.cta-banner{padding:44px 32px}
  .cta-banner{flex-direction:column;align-items:flex-start;gap:28px}
  .site-footer{margin-top:80px}
}
@media (max-width:767px){
  .section{padding-top:56px}
  .section:last-of-type{padding-bottom:64px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .cat-hero{padding:38px 24px;min-height:260px}
  .cat-hero-inner{max-width:100%}
  .split-panel,.cta-banner{padding:36px 22px}
  .card-body{padding:18px 18px 22px}
  .footer-main{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .brand-sub{display:none}
}
@media (max-width:575px){
  .nav-panel{padding:9px 10px;gap:10px}
  .cat-hero h1{font-size:2rem}
  .cta-actions{width:100%}
  .cta-actions .btn-pill{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --primary:#0F3D3E;
  --primary-deep:#0B2B2C;
  --primary-tint:rgba(15,61,62,.08);
  --primary-tint-2:rgba(15,61,62,.14);
  --secondary:#E8A33D;
  --secondary-deep:#CE8A24;
  --accent:#FF6B57;
  --base:#F7F5F1;
  --card:#FFFFFF;
  --text:#1C1F1E;
  --text-2:#5A625F;
  --text-3:#8A918D;
  --line:#E3DFD8;
  --r-xl:22px;
  --r-lg:18px;
  --r-md:16px;
  --r-sm:12px;
  --sh-sm:0 1px 2px rgba(11,43,44,.06);
  --sh-md:0 8px 24px -12px rgba(11,43,44,.18);
  --sh-lg:0 24px 60px -24px rgba(11,43,44,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --ff:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--base);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:10px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media(min-width:1600px){
  .container{max-width:1320px}
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:14px 0 6px;
}
.nav-panel{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  padding:12px 16px;
  background:rgba(247,245,241,.9);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-md);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-stuck .nav-panel{box-shadow:var(--sh-lg)}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:linear-gradient(150deg,var(--primary),var(--primary-deep));
  color:#fff;
  display:grid;
  place-items:center;
  font-size:16px;
  box-shadow:var(--sh-sm);
}
.brand-text{
  display:block;
  font-size:1.02rem;
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.2;
}
.brand-sub{
  display:block;
  font-size:.72rem;
  color:var(--text-3);
  letter-spacing:.06em;
  line-height:1.4;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-item{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:40px;
  padding:0 14px;
  border-radius:12px;
  font-size:.88rem;
  color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-item i{font-size:.85rem;color:var(--text-3);transition:color .2s var(--ease)}
.nav-item:hover{background:var(--primary-tint);color:var(--primary)}
.nav-item:hover i{color:var(--primary)}
.nav-item.active{background:var(--primary-tint);color:var(--primary);font-weight:600}
.nav-item.active i{color:var(--secondary)}
.nav-item.active::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:18px;
  border-radius:2px;
  background:var(--secondary);
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--primary);
  margin-left:auto;
  place-items:center;
  font-size:1rem;
}
.nav-cta{margin-left:8px;flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:999px;
  font-size:.92rem;
  font-weight:600;
  border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.btn-pill.btn-sm{height:42px;padding:0 18px;font-size:.85rem}
.btn-primary{
  background:var(--secondary);
  color:#3A2600;
  box-shadow:var(--sh-sm);
}
.btn-primary:hover{background:var(--secondary-deep);transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-ghost{
  background:transparent;
  color:var(--primary);
  border-color:rgba(15,61,62,.28);
}
.btn-ghost:hover{background:var(--primary-tint);border-color:var(--primary)}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.5);
}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ---------- 分类头 ---------- */
.page-hero{
  position:relative;
  margin-top:18px;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  background:
    linear-gradient(90deg,rgba(11,43,44,.94) 0%,rgba(11,43,44,.78) 48%,rgba(11,43,44,.42) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
}
.page-hero .container{
  position:relative;
  z-index:2;
  padding-top:56px;
  padding-bottom:56px;
}
.hero-cloud{
  position:absolute;
  right:-40px;
  bottom:-60px;
  width:420px;
  max-width:70vw;
  opacity:.08;
  z-index:1;
  pointer-events:none;
}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.8rem;
  letter-spacing:.02em;
  color:rgba(255,255,255,.66);
  margin-bottom:22px;
}
.crumbs a{color:rgba(255,255,255,.8);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--secondary)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:#fff}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 12px;
  border-radius:999px;
  font-size:.76rem;
  letter-spacing:.08em;
  background:rgba(232,163,61,.16);
  border:1px solid rgba(232,163,61,.4);
  color:var(--secondary);
  margin-bottom:16px;
}
.page-hero h1{
  font-size:clamp(2rem,4.4vw,3.2rem);
  font-weight:700;
  line-height:1.15;
  letter-spacing:-.02em;
  margin-bottom:14px;
}
.hero-sub{
  max-width:620px;
  font-size:1rem;
  color:rgba(255,255,255,.78);
  line-height:1.8;
}

/* ---------- 板块 ---------- */
.section{padding:56px 0}
@media(min-width:992px){
  .section{padding:96px 0}
  .section.section-tight{padding-top:0}
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:30px;
}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.2rem);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.25;
}
.section-lead{
  margin-top:10px;
  max-width:660px;
  color:var(--text-2);
  font-size:.96rem;
}
.section-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:.88rem;
  font-weight:600;
  color:var(--primary);
  padding:8px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--card);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.section-link:hover{color:var(--secondary-deep);border-color:var(--secondary);background:#fff}

/* ---------- 说明段落 ---------- */
.intro-panel{
  max-width:840px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-sm);
}
@media(min-width:768px){.intro-panel{padding:36px}}
.intro-panel p{color:var(--text-2);font-size:.98rem}
.intro-panel p + p{margin-top:16px}
.intro-panel strong{color:var(--text);font-weight:600}

/* ---------- 内容卡片 ---------- */
.topic-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.topic-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-md);
  border-color:#D6D1C6;
}
.topic-cover{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--primary-tint);
}
.topic-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.topic-card:hover .topic-cover img{transform:scale(1.03)}
.topic-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px;
  flex:1;
}
.topic-body h3{
  font-size:1.12rem;
  font-weight:600;
  line-height:1.4;
  letter-spacing:-.01em;
}
.topic-body p{
  color:var(--text-2);
  font-size:.92rem;
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.tag{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:4px 11px;
  border-radius:999px;
  font-size:.74rem;
  letter-spacing:.03em;
  background:var(--primary-tint);
  color:var(--primary);
  border:1px solid var(--primary-tint-2);
}
.tag.tag-gold{
  background:rgba(232,163,61,.14);
  color:#8A5B12;
  border-color:rgba(232,163,61,.34);
}
.tag.tag-new{
  background:rgba(255,107,87,.14);
  color:#B33F2C;
  border-color:rgba(255,107,87,.32);
}

/* ---------- 深色信息面板 ---------- */
.hud{
  position:relative;
  overflow:hidden;
  background:var(--primary-deep);
  border-radius:var(--r-xl);
  padding:36px 24px;
  color:#fff;
}
@media(min-width:768px){.hud{padding:48px 44px}}
.hud-cloud{
  position:absolute;
  right:-30px;
  top:-50px;
  width:380px;
  opacity:.07;
  pointer-events:none;
}
.hud-inner{position:relative;z-index:2}
.hud h2{
  font-size:clamp(1.5rem,2.6vw,2.2rem);
  font-weight:700;
  letter-spacing:-.01em;
}
.hud .hud-lead{
  margin-top:10px;
  max-width:620px;
  color:rgba(255,255,255,.72);
  font-size:.95rem;
}
.hud-grid{
  display:grid;
  gap:16px;
  grid-template-columns:1fr;
  margin-top:30px;
}
@media(min-width:576px){.hud-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.hud-grid{grid-template-columns:repeat(4,1fr)}}
.hud-metric{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);
  padding:22px;
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.hud-metric:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.hud-metric .num{
  display:block;
  font-size:clamp(1.7rem,3vw,2.2rem);
  font-weight:700;
  color:var(--secondary);
  line-height:1.1;
  letter-spacing:-.02em;
}
.hud-metric .num small{font-size:.85rem;font-weight:500;margin-left:4px;color:rgba(255,255,255,.6)}
.hud-metric .label{
  display:block;
  margin-top:8px;
  font-size:.85rem;
  color:rgba(255,255,255,.7);
}

/* ---------- 步骤 ---------- */
.steps{
  display:grid;
  gap:18px;
  grid-template-columns:1fr;
}
@media(min-width:768px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 22px;
  box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(232,163,61,.5)}
.step-num{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--secondary);
  color:#3A2600;
  display:grid;
  place-items:center;
  font-weight:700;
  font-size:.95rem;
  margin-bottom:16px;
}
.step h3{font-size:1.05rem;font-weight:600;margin-bottom:8px}
.step p{color:var(--text-2);font-size:.9rem;line-height:1.75}

/* ---------- FAQ ---------- */
.faq-list{margin-top:6px}
.faq-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:#D6D1C6;box-shadow:var(--sh-md)}
.faq-title{margin:0;font-size:1rem}
.faq-head{
  position:relative;
  display:block;
  width:100%;
  text-align:left;
  padding:20px 58px 20px 24px;
  font-size:1rem;
  font-weight:600;
  color:var(--text);
  line-height:1.5;
}
.faq-head::before{
  content:"";
  position:absolute;
  left:0;
  top:16px;
  bottom:16px;
  width:3px;
  border-radius:2px;
  background:transparent;
  transition:background .22s var(--ease);
}
.faq-head[aria-expanded="true"]::before{background:var(--secondary)}
.faq-head::after{
  content:"+";
  position:absolute;
  right:24px;
  top:50%;
  transform:translateY(-50%);
  font-size:1.3rem;
  font-weight:400;
  color:var(--text-3);
  transition:transform .18s var(--ease),color .18s var(--ease);
}
.faq-head[aria-expanded="true"]::after{
  content:"−";
  color:var(--secondary);
  transform:translateY(-50%) rotate(180deg);
}
.faq-body{
  padding:0 24px 22px;
  color:var(--text-2);
  font-size:.94rem;
  line-height:1.85;
}

/* ---------- 互链卡片 ---------- */
.cross-card{
  display:flex;
  align-items:center;
  gap:18px;
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(15,61,62,.3)}
.cross-icon{
  flex:0 0 auto;
  width:52px;
  height:52px;
  border-radius:14px;
  background:var(--primary-tint);
  color:var(--primary);
  display:grid;
  place-items:center;
  font-size:1.15rem;
}
.cross-card h3{font-size:1.05rem;font-weight:600;margin-bottom:6px}
.cross-card p{color:var(--text-2);font-size:.88rem;line-height:1.7}
.cross-arrow{
  margin-left:auto;
  color:var(--text-3);
  font-size:.9rem;
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.cross-card:hover .cross-arrow{transform:translateX(4px);color:var(--secondary)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--primary-deep);
  border-radius:var(--r-xl);
  padding:38px 24px;
  color:#fff;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
@media(min-width:768px){.cta-band{padding:52px 48px}}
.cta-cloud{
  position:absolute;
  right:-30px;
  bottom:-70px;
  width:400px;
  opacity:.08;
  pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:620px}
.cta-text h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;letter-spacing:-.01em}
.cta-text p{margin-top:12px;color:rgba(255,255,255,.74);font-size:.95rem}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  overflow:hidden;
  margin-top:80px;
  background:var(--primary-deep);
  color:rgba(255,255,255,.75);
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-cloud{
  position:absolute;
  top:-60px;
  right:-70px;
  width:420px;
  opacity:.07;
  pointer-events:none;
}
.footer-main{
  position:relative;
  z-index:2;
  display:grid;
  gap:34px;
  grid-template-columns:1fr;
  padding:60px 0 40px;
}
@media(min-width:768px){.footer-main{grid-template-columns:1.4fr 1fr 1fr}}
@media(min-width:992px){.footer-main{grid-template-columns:1.6fr 1fr 1fr 1.15fr}}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
  font-weight:700;
  font-size:1.02rem;
  margin-bottom:14px;
}
.footer-about{font-size:.88rem;line-height:1.8;color:rgba(255,255,255,.68);max-width:320px}
.footer-col h3{
  font-size:.9rem;
  font-weight:600;
  color:#fff;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px}
.footer-link{
  position:relative;
  display:inline-block;
  font-size:.88rem;
  color:rgba(255,255,255,.72);
  padding-bottom:2px;
  transition:color .2s var(--ease);
}
.footer-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:1px;
  background:var(--secondary);
  transition:width .25s var(--ease);
}
.footer-link:hover{color:var(--secondary)}
.footer-link:hover::after{width:100%}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:.86rem;
  color:rgba(255,255,255,.68);
  line-height:1.7;
}
.footer-contact i{color:var(--secondary);margin-top:5px;font-size:.8rem}
.footer-bottom{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:.8rem;
  color:rgba(255,255,255,.6);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.28);
  color:rgba(255,255,255,.82);
  font-size:.8rem;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ---------- 响应式导航 ---------- */
@media(max-width:991.98px){
  .nav-toggle{display:grid}
  .nav-cta{display:none}
  .nav-panel{flex-wrap:wrap}
  .nav-links{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    margin-left:0;
    padding:10px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:18px;
    box-shadow:var(--sh-lg);
  }
  .nav-links.open{display:flex}
  .nav-item{height:48px;font-size:.95rem;padding:0 16px}
  .nav-item.active::before{top:50%}
}
@media(max-width:575.98px){
  .page-hero .container{padding-top:44px;padding-bottom:44px}
  .intro-panel{padding:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-pill{flex:1 1 auto}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}