/* roulang page: index */
:root{
  --c-primary:#12433A;
  --c-primary-700:#0C3129;
  --c-primary-100:#E7F0EC;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E85818;
  --c-lime:#D8F25A;
  --c-ink:#14181C;
  --c-ink-2:#55606B;
  --c-ink-3:#8A939C;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-line:rgba(20,24,28,.09);
  --sh-1:0 1px 2px rgba(18,59,46,.05),0 8px 24px rgba(18,59,46,.06);
  --sh-2:0 14px 36px rgba(18,59,46,.14);
  --r-card:18px;
  --r-sm:12px;
  --r-img:14px;
  --pill:999px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid rgba(255,106,43,.55);
  outline-offset:2px;
  border-radius:6px;
}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:88px 0;}
.section--surface{background:var(--c-surface);}
.section--soft{background:#FAFBF7;}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:500;letter-spacing:.04em;
  color:var(--c-primary);
  background:var(--c-primary-100);
  border-radius:var(--pill);
  padding:6px 14px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:34px;line-height:1.28;font-weight:700;letter-spacing:-.3px;}
.section-head p{margin-top:8px;font-size:15px;color:var(--c-ink-2);}
.section-link{font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap;border-bottom:2px solid var(--c-lime);}
.section-link:hover{color:var(--c-accent);}

/* 顶部活动条 */
.topbar{background:var(--c-primary-700);color:#fff;}
.topbar-inner{display:flex;align-items:center;gap:12px;height:32px;font-size:12.5px;letter-spacing:.02em;}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);animation:pulse 1.8s ease-in-out infinite;flex:0 0 auto;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.85);}}
.topbar-badge{background:rgba(216,242,90,.16);color:var(--c-lime);border-radius:6px;padding:1px 8px;font-size:11.5px;letter-spacing:.06em;}
.topbar-text{color:rgba(255,255,255,.82);flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-count{color:rgba(255,255,255,.72);font-variant-numeric:tabular-nums;}
.topbar-count strong{color:var(--c-lime);font-weight:600;font-variant-numeric:tabular-nums;}
.topbar-close{width:24px;height:24px;line-height:1;font-size:17px;color:rgba(255,255,255,.7);border-radius:6px;}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.12);}
.topbar.is-hidden{display:none;}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--c-primary);
  position:relative;overflow:hidden;flex:0 0 auto;
}
.logo-mark::before{
  content:"";position:absolute;left:-10px;top:50%;
  width:58px;height:42px;transform:translateY(-50%) rotate(-14deg);
  border:2px solid var(--c-lime);border-radius:50%;
}
.logo-mark::after{
  content:"";position:absolute;right:7px;top:10px;
  width:16px;height:1px;background:var(--c-lime);transform:rotate(-30deg);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-name{font-size:18px;font-weight:800;letter-spacing:-.2px;color:var(--c-primary-700);}
.logo-sub{font-size:11.5px;color:var(--c-ink-3);letter-spacing:.08em;}
.nav-list{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;}
.nav-list a{
  position:relative;
  display:inline-flex;align-items:center;height:40px;padding:0 12px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);border-radius:8px;
  transition:color .18s ease;
}
.nav-list a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;
  background:var(--c-lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-list a:hover{color:var(--c-primary);}
.nav-list a:hover::after,.nav-list a.is-active::after{transform:scaleX(1);}
.nav-list a.is-active{color:var(--c-primary-700);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.24);}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,43,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid rgba(18,67,58,.35);}
.btn-ghost:hover{background:var(--c-primary-100);border-color:var(--c-primary);color:var(--c-primary-700);}
.btn-lime{background:var(--c-lime);color:var(--c-primary-700);}
.btn-lime:hover{background:#CBEB3F;color:var(--c-primary-700);transform:translateY(-1px);}
.btn-outline-white{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);}
.btn-outline-white:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.nav-cta{min-height:40px;padding:0 20px;font-size:14.5px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--c-line);background:var(--c-surface);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary-700);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--c-bg);padding:72px 0 84px;}
.hero::before{
  content:"";position:absolute;right:-120px;top:-80px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(216,242,90,.16) 0%,rgba(216,242,90,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-40px;bottom:-60px;width:220px;height:220px;
  border:1px solid rgba(18,67,58,.12);border-radius:50%;
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center;position:relative;z-index:1;}
.hero-copy h1{
  margin-top:18px;
  font-size:48px;line-height:1.18;font-weight:800;letter-spacing:-.5px;
  color:var(--c-primary-700);
}
.hero-copy h1 .hl{
  position:relative;display:inline-block;
}
.hero-copy h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;
  background:var(--c-lime);opacity:.55;border-radius:3px;z-index:-1;
}
.hero-sub{margin-top:18px;font-size:17px;color:var(--c-ink-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:38px;padding-top:26px;border-top:1px solid var(--c-line);}
.hero-stat strong{display:block;font-size:24px;font-weight:800;color:var(--c-primary-700);line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-stat span{display:block;margin-top:4px;font-size:13px;color:var(--c-ink-3);}
.hero-visual{display:flex;justify-content:flex-end;}
.hero-card{
  position:relative;width:100%;max-width:320px;aspect-ratio:9/16;
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  background:var(--c-primary-700);
}
.hero-card img{width:100%;height:100%;object-fit:cover;}
.hero-card-mask{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(12,49,41,.92) 0%,rgba(12,49,41,.35) 42%,rgba(12,49,41,0) 70%);
}
.hero-card-tag{
  position:absolute;top:14px;left:14px;
  background:var(--c-lime);color:var(--c-primary-700);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:5px 10px;border-radius:6px;
}
.hero-card-len{
  position:absolute;top:14px;right:14px;
  background:rgba(0,0,0,.5);color:#fff;font-size:12px;
  padding:4px 10px;border-radius:var(--pill);font-variant-numeric:tabular-nums;
}
.hero-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;
  background:rgba(255,255,255,.88);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.22);
  transition:transform .2s ease;
}
.hero-play::before{
  content:"";display:block;margin-left:4px;
  width:0;height:0;border-style:solid;
  border-width:9px 0 9px 15px;
  border-color:transparent transparent transparent var(--c-primary-700);
}
.hero-card:hover .hero-play{transform:translate(-50%,-50%) scale(1.08);}
.hero-card-title{
  position:absolute;left:18px;right:18px;bottom:18px;
  color:#fff;font-size:17px;font-weight:700;line-height:1.45;
}

/* 片段卡 */
.clip-rail{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.clip{
  position:relative;display:block;aspect-ratio:9/16;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);background:var(--c-primary-700);
  transition:transform .2s ease,box-shadow .2s ease;
}
.clip img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.clip:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.clip:hover img{transform:scale(1.03);}
.clip-mask{position:absolute;inset:0;background:linear-gradient(to top,rgba(12,49,41,.94) 0%,rgba(12,49,41,.3) 45%,rgba(12,49,41,0) 72%);}
.clip-tag{
  position:absolute;top:14px;left:14px;background:var(--c-lime);color:var(--c-primary-700);
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:6px;
}
.clip-len{
  position:absolute;top:14px;right:14px;background:rgba(0,0,0,.48);color:#fff;
  font-size:12px;padding:3px 9px;border-radius:var(--pill);font-variant-numeric:tabular-nums;
}
.clip-title{
  position:absolute;left:16px;right:16px;bottom:16px;color:#fff;
  font-size:17px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.clip-play{
  position:absolute;left:16px;bottom:74px;width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,.88);display:flex;align-items:center;justify-content:center;
  transition:transform .2s ease;
}
.clip-play::before{
  content:"";margin-left:3px;width:0;height:0;border-style:solid;
  border-width:7px 0 7px 11px;border-color:transparent transparent transparent var(--c-primary-700);
}
.clip:hover .clip-play{transform:scale(1.08);}

/* 清单 */
.checklist{
  background:var(--c-surface);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.check-row{
  display:flex;align-items:center;gap:24px;
  padding:22px 28px;border-bottom:1px dashed var(--c-line);
  transition:background .18s ease,transform .18s ease;
}
.check-row:last-child{border-bottom:0;}
.check-row:hover{background:rgba(231,240,236,.6);transform:translateX(4px);}
.check-no{
  flex:0 0 auto;width:56px;font-size:40px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px #B9CFC6;font-variant-numeric:tabular-nums;
}
.check-body{flex:1 1 auto;min-width:0;}
.check-body h3{font-size:18px;font-weight:700;color:var(--c-ink);}
.check-body p{font-size:15px;color:var(--c-ink-2);margin-top:4px;}
.check-tags{display:flex;flex-wrap:wrap;gap:8px;flex:0 0 auto;}
.tag{
  font-size:12.5px;font-weight:500;letter-spacing:.04em;
  padding:4px 12px;border-radius:var(--pill);
  background:var(--c-primary-100);color:var(--c-primary);
}
.tag--warm{background:rgba(255,106,43,.12);color:#C74E16;}
.check-arrow{flex:0 0 auto;width:16px;height:16px;border-top:2px solid var(--c-ink-3);border-right:2px solid var(--c-ink-3);transform:rotate(45deg);transition:border-color .18s ease;}
.check-row:hover .check-arrow{border-color:var(--c-primary);}

/* 最新信息 CMS */
.news-grid{margin-left:-12px;margin-right:-12px;}
.news-grid > .cell{padding:0 12px;margin-bottom:24px;}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.news-card:hover{border-color:rgba(18,67,58,.28);box-shadow:var(--sh-1);transform:translateY(-3px);}
.news-badge{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--c-primary-100);color:var(--c-primary);
  padding:3px 10px;border-radius:6px;margin-bottom:14px;
}
.news-card h3{
  font-size:18px;line-height:1.5;font-weight:700;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.news-card:hover h3{color:var(--c-primary-700);}
.news-card p{
  margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-ink-3);
}
.news-foot .go{font-weight:700;color:var(--c-primary);}
.empty-state{
  height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#F2F5F1;border:1px dashed rgba(18,67,58,.2);border-radius:var(--r-card);
  color:var(--c-ink-2);text-align:center;
}
.empty-state .ico{
  width:38px;height:38px;border:2px solid rgba(18,67,58,.35);border-radius:10px;position:relative;
}
.empty-state .ico::after{
  content:"";position:absolute;left:8px;right:8px;top:13px;height:2px;background:rgba(18,67,58,.35);
  box-shadow:0 7px 0 rgba(18,67,58,.28);
}

/* 口碑 */
.review-rail{
  display:flex;gap:16px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.review-rail::-webkit-scrollbar{display:none;}
.review{
  flex:0 0 280px;scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;padding:20px;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
}
.review:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.review-top{display:flex;align-items:center;gap:10px;}
.avatar{
  width:36px;height:36px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-100);color:var(--c-primary);font-weight:700;font-size:15px;
}
.review-name{font-size:14px;font-weight:600;}
.stars{color:#B7D633;font-size:12px;letter-spacing:2px;}
.review p{margin-top:12px;font-size:15px;color:var(--c-ink-2);line-height:1.7;}
.review-src{margin-top:12px;font-size:12.5px;color:var(--c-ink-3);}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-primary-700);color:#fff;padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;left:-100px;top:-140px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(216,242,90,.18);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:40px;}
.cta-text h2{font-size:32px;line-height:1.3;font-weight:700;color:#fff;}
.cta-text p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.78);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.qr-box{
  width:96px;height:96px;border-radius:12px;background:#fff;color:var(--c-primary-700);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:11.5px;font-weight:600;line-height:1.3;text-align:center;flex:0 0 auto;
}
.qr-box span:first-child{font-size:18px;font-weight:800;letter-spacing:.02em;}

/* FAQ */
.faq-list{max-width:900px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm);
  margin-bottom:12px;overflow:hidden;transition:background .18s ease,border-color .18s ease;
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:14px 22px;cursor:pointer;
  font-size:18px;font-weight:600;color:var(--c-ink);list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-lime);
  position:relative;transition:transform .2s ease;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--c-primary-700);border-radius:2px;
}
.faq-ico::before{width:12px;height:2px;}
.faq-ico::after{width:2px;height:12px;transition:opacity .2s ease;}
.faq-item[open] .faq-ico::after{opacity:0;}
.faq-body{padding:0 22px 20px;border-top:1px solid var(--c-line);font-size:16px;line-height:1.85;color:var(--c-ink-2);}
.faq-body p{margin-top:14px;}
.faq-item[open]{background:var(--c-primary-100);border-color:transparent;}

/* 页脚 */
.site-footer{background:var(--c-primary-700);color:rgba(255,255,255,.85);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand .logo-name{color:#fff;font-size:19px;}
.footer-brand .logo-sub{color:rgba(255,255,255,.55);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:300px;}
.footer-brand .btn{margin-top:20px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.78);}
.footer-col a:hover{color:var(--c-lime);}
.footer-meta{font-size:14px;color:rgba(255,255,255,.7);line-height:1.9;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* 响应式 */
@media screen and (max-width:1023px){
  .nav-inner{height:60px;gap:12px;}
  .nav-list{
    position:fixed;left:0;right:0;top:0;bottom:0;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;background:var(--c-surface);padding:88px 20px 120px;
    transform:translateX(100%);transition:transform .25s ease;z-index:70;overflow-y:auto;
  }
  .nav-list a{height:48px;font-size:16px;color:var(--c-ink);border-bottom:1px solid var(--c-line);border-radius:0;padding:0 4px;}
  .nav-list a::after{left:4px;right:auto;width:36px;bottom:8px;}
  .nav-list .mobile-cta{
    display:flex;margin-top:24px;
    position:fixed;left:20px;right:20px;bottom:20px;
    width:auto;
  }
  body.nav-open .nav-list{transform:translateX(0);}
  body.nav-open{overflow:hidden;}
  .nav-toggle{display:flex;}
  .nav-actions .nav-cta{display:none;}
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-copy h1{font-size:38px;}
  .hero-visual{justify-content:center;}
  .hero-card{max-width:300px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:28px;}
  .clip-rail{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .topbar-count{display:none;}
  .topbar-text{font-size:12px;}
  .hero-copy h1{font-size:32px;}
  .hero-stats{gap:22px;}
  .hero-stat strong{font-size:21px;}
  .hero-actions{flex-direction:row;}
  .hero-actions .btn{flex:1 1 calc(50% - 7px);padding:0 12px;font-size:14px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-head h2{font-size:24px;}
  .clip-rail{
    display:flex;overflow-x:auto;gap:14px;padding-bottom:14px;
    scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
  }
  .clip-rail::-webkit-scrollbar{display:none;}
  .clip{flex:0 0 78%;scroll-snap-align:start;}
  .check-row{flex-wrap:wrap;gap:14px;padding:20px;}
  .check-no{width:40px;font-size:30px;}
  .check-body{flex:1 1 100%;order:2;}
  .check-tags{order:3;flex:1 1 100%;}
  .check-arrow{order:4;margin-left:auto;}
  .news-grid{margin-left:0;margin-right:0;}
  .news-grid > .cell{padding:0;}
  .cta-band{padding:52px 0;}
  .cta-text h2{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .qr-box{margin-top:8px;}
  .faq-item summary{font-size:16px;padding:12px 16px;}
  .faq-body{padding:0 16px 18px;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --c-primary:#12433A;
  --c-primary-700:#0C3129;
  --c-primary-100:#E7F0EC;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E85818;
  --c-lime:#D8F25A;
  --c-ink:#14181C;
  --c-ink-2:#55606B;
  --c-ink-3:#8A939C;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-line:rgba(20,24,28,.09);
  --r-card:18px;
  --r-sm:12px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,59,46,.05),0 8px 24px rgba(18,59,46,.06);
  --sh-2:0 14px 36px rgba(18,59,46,.14);
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;
  --sec-y:88px;
}
*,*::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:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Inter",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-700)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:0}
h1{font-size:48px;line-height:1.18;font-weight:800;letter-spacing:-.5px}
h2{font-size:34px;line-height:1.28}
h3{font-size:23px;line-height:1.4}
h4{font-size:18px;line-height:1.5;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid rgba(255,106,43,.55);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:rgba(18,67,58,.28)}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary-700)}
.btn-lime{background:var(--c-lime);color:var(--c-primary-700)}
.btn-lime:hover{background:#cbe94a;color:var(--c-primary-700)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);height:68px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-ink)}
.logo:hover{color:var(--c-ink)}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;position:relative;border-radius:11px;
  background:var(--c-primary);overflow:hidden;
}
.logo-mark::before{
  content:"";position:absolute;left:5px;right:5px;top:9px;height:16px;
  border:2px solid var(--c-lime);border-radius:50% 50% 50% 50%/60% 60% 40% 40%;
  opacity:.95;
}
.logo-mark::after{
  content:"";position:absolute;left:10px;right:10px;bottom:6px;height:2px;
  background:var(--c-lime);opacity:.7;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:19px;font-weight:800;letter-spacing:.2px}
.logo-sub{font-size:11.5px;letter-spacing:.16em;color:var(--c-ink-3);font-weight:500}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-list a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);padding:6px 0;
}
.nav-list a::after{
  content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--c-lime);
  border-radius:2px;transition:width .18s ease;
}
.nav-list a:hover{color:var(--c-primary)}
.nav-list a:hover::after{width:100%}
.nav-list a.is-active{color:var(--c-primary-700);font-weight:700}
.nav-list a.is-active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-cta{min-height:40px;padding:0 20px}
.mobile-cta{display:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding:34px 0 var(--sec-y);
}
.page-head::after{
  content:"";position:absolute;right:-120px;top:-60px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(216,242,90,.16) 0%,rgba(216,242,90,0) 70%);
  pointer-events:none;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);margin-bottom:14px}
.crumbs a{color:var(--c-ink-3)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs span.current{color:var(--c-ink-2)}
.crumbs .sep{color:var(--c-ink-3);opacity:.6}
.page-head h1{margin-bottom:14px;max-width:880px}
.page-lead{font-size:17px;color:var(--c-ink-2);max-width:720px;margin-bottom:var(--sp-4)}
.state-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
  font-size:12.5px;letter-spacing:.04em;font-weight:500;color:var(--c-ink-2);
}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.chip.is-live{background:var(--c-primary-100);border-color:transparent;color:var(--c-primary-700)}
.chip.is-live .dot{background:var(--c-primary);animation:breathe 2.4s ease-in-out infinite}
.chip.is-done .dot{background:var(--c-ink-3)}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
@media (prefers-reduced-motion:reduce){.chip.is-live .dot{animation:none}}

/* ---------- section basics ---------- */
.section{padding:var(--sec-y) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-4);margin-bottom:var(--sp-5);flex-wrap:wrap}
.section-head p{color:var(--c-ink-2);font-size:15px;margin:8px 0 0;max-width:620px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  letter-spacing:.12em;color:var(--c-primary);text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--c-lime);border-radius:2px}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:var(--sp-4)}
.timeline-item{
  display:grid;grid-template-columns:148px 1fr;gap:28px;
  padding-bottom:var(--sp-5);position:relative;
}
.timeline-item:last-child{padding-bottom:0}
.tl-side{position:relative;padding-right:24px;text-align:right}
.tl-side::after{
  content:"";position:absolute;right:0;top:8px;bottom:-32px;width:2px;background:var(--c-line);
}
.timeline-item:last-child .tl-side::after{display:none}
.tl-dot{
  position:absolute;right:-7px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);z-index:1;
}
.timeline-item.is-open .tl-dot{border-color:var(--c-accent)}
.tl-date{font-size:26px;font-weight:800;line-height:1.2;color:var(--c-primary-700);font-variant-numeric:tabular-nums}
.tl-month{display:block;font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.08em;margin-top:2px}
.tl-state{
  display:inline-flex;margin-top:10px;height:24px;align-items:center;padding:0 10px;
  border-radius:6px;font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--c-primary-100);color:var(--c-primary-700);
}
.tl-state.warm{background:rgba(255,106,43,.12);color:var(--c-accent-hover)}
.tl-state.mute{background:rgba(20,24,28,.06);color:var(--c-ink-3)}

/* ---------- event cards ---------- */
.event-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:grid;
  grid-template-columns:230px 1fr;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.event-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(18,67,58,.16)}
.event-thumb{position:relative;overflow:hidden;background:var(--c-primary-100)}
.event-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;aspect-ratio:4/3}
.event-thumb .badge{
  position:absolute;left:12px;top:12px;height:24px;display:inline-flex;align-items:center;
  padding:0 10px;border-radius:6px;background:var(--c-lime);color:var(--c-primary-700);
  font-size:12px;font-weight:700;
}
.event-body{padding:var(--sp-4)}
.event-body h3{font-size:20px;margin-bottom:8px}
.event-body .desc{font-size:15px;color:var(--c-ink-2);line-height:1.75;margin-bottom:var(--sp-3)}
.event-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13.5px;color:var(--c-ink-3);margin-bottom:var(--sp-3)}
.event-meta b{color:var(--c-ink-2);font-weight:600}
.event-foot{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);flex-wrap:wrap}
.mini-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.mini-link::after{content:"→";transition:transform .18s ease}
.mini-link:hover::after{transform:translateX(4px)}

/* ---------- notes list ---------- */
.notes{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:var(--sp-4) var(--sp-5);box-shadow:var(--sh-1)}
.note-row{
  display:grid;grid-template-columns:56px 1fr;gap:var(--sp-4);align-items:start;
  padding:18px 0;border-bottom:1px dashed var(--c-line);
}
.note-row:last-child{border-bottom:0;padding-bottom:4px}
.note-num{
  font-size:34px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.5px var(--c-primary-100);
}
.note-row h4{margin-bottom:4px}
.note-row p{font-size:15px;color:var(--c-ink-2);margin:0}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-primary);color:#fff;
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;bottom:-140px;width:340px;height:340px;
  border:1px solid rgba(216,242,90,.28);border-radius:50%;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);flex-wrap:wrap;position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:32px;line-height:1.3;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.8);font-size:15px;margin:0;max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.qr{
  width:96px;height:96px;border-radius:12px;background:#fff;color:var(--c-primary-700);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.4;font-weight:600;padding:8px;flex:0 0 96px;
}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-700);color:rgba(255,255,255,.85);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--sp-5)}
.footer-brand .logo-name{font-size:19px;font-weight:800;color:#fff;display:block}
.footer-brand .logo-sub{color:rgba(255,255,255,.55);font-size:12px;letter-spacing:.1em}
.footer-brand p{font-size:14.5px;color:rgba(255,255,255,.72);margin:14px 0 18px;line-height:1.75}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.78);font-size:14.5px}
.footer-col a:hover{color:var(--c-lime)}
.footer-meta p{font-size:14px;color:rgba(255,255,255,.66);margin:0 0 8px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:var(--sp-3);flex-wrap:wrap;
  margin-top:var(--sp-5);padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  h1{font-size:36px}
  h2{font-size:26px}
  .section{padding:64px 0}
  .page-head{padding-bottom:64px}
  .nav-list{
    position:fixed;inset:68px 0 auto 0;display:none;flex-direction:column;align-items:stretch;
    gap:0;background:#fff;padding:12px 20px 20px;border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-1);max-height:calc(100vh - 68px);overflow-y:auto;
  }
  .nav-list.is-open{display:flex}
  .nav-list a{height:48px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--c-line)}
  .nav-list a::after{display:none}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .mobile-cta{display:flex;justify-content:center;margin-top:16px;border-bottom:0;color:#fff}
  .mobile-cta:hover{color:#fff}
  .timeline-item{grid-template-columns:118px 1fr;gap:20px}
  .event-card{grid-template-columns:1fr}
  .event-thumb img{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  h1{font-size:32px}
  h2{font-size:24px}
  h3{font-size:20px}
  body{font-size:16px}
  .section{padding:48px 0}
  .page-head{padding-bottom:48px}
  .nav-inner{height:60px}
  .nav-list{inset:60px 0 auto 0;max-height:calc(100vh - 60px)}
  .logo-name{font-size:17px}
  .logo-sub{font-size:10.5px;letter-spacing:.1em}
  .timeline-item{grid-template-columns:1fr;gap:12px;padding-bottom:24px}
  .tl-side{text-align:left;padding-right:0;padding-left:26px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
  .tl-side::after{right:auto;left:7px;top:10px;bottom:-24px}
  .tl-dot{left:0;right:auto;top:8px}
  .tl-date{font-size:22px}
  .tl-month{display:inline;margin-top:0}
  .tl-state{margin-top:0}
  .event-body{padding:20px}
  .notes{padding:20px}
  .note-row{grid-template-columns:40px 1fr;gap:12px}
  .note-num{font-size:26px}
  .cta-band{padding:48px 0}
  .cta-band h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .qr{display:none}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-4)}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: article */
:root{
  --c-primary:#12433A;
  --c-primary-700:#0C3129;
  --c-primary-100:#E7F0EC;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E85818;
  --c-lime:#D8F25A;
  --c-ink:#14181C;
  --c-ink-2:#55606B;
  --c-ink-3:#8A939C;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-line:rgba(20,24,28,.09);
  --r-card:18px;
  --r-sm:12px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,59,46,.05),0 8px 24px rgba(18,59,46,.06);
  --sh-2:0 14px 36px rgba(18,59,46,.14);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-700)}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,106,43,.85);outline-offset:2px;border-radius:6px}
/* Foundation 默认外观覆盖 */
.button,.button.primary,.button.secondary{
  background:var(--c-accent);
  color:#fff;
  border-radius:var(--r-pill);
  font-weight:600;
  box-shadow:none;
  border:0;
}
.button:hover,.button:focus{background:var(--c-accent-hover);color:#fff}
.callout{background:var(--c-primary-100);border:1px solid var(--c-line);border-radius:var(--r-sm);color:var(--c-ink);box-shadow:none}
.menu a{color:var(--c-ink-2)}
.menu a:hover{color:var(--c-primary);background:transparent}
input,textarea,select{font-family:inherit;font-size:16px;border-radius:var(--r-sm);border:1px solid var(--c-line);height:48px;box-shadow:none}
input:focus,textarea:focus,select:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(216,242,90,.55);outline:none}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
/* 通用容器 */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
/* 顶部活动条 */
.topbar{background:var(--c-primary-700);color:#fff;font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:10px;height:32px;overflow:hidden}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none;animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.topbar-badge{background:var(--c-lime);color:var(--c-primary-700);font-weight:700;font-size:11.5px;letter-spacing:.04em;padding:2px 8px;border-radius:6px;flex:none}
.topbar-text{color:rgba(255,255,255,.86);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-time{margin-left:auto;color:var(--c-lime);font-variant-numeric:tabular-nums;white-space:nowrap}
.topbar-time b{font-weight:700}
.topbar-close{margin-left:8px;width:22px;height:22px;line-height:1;border-radius:50%;color:rgba(255,255,255,.7);flex:none;font-size:16px;display:flex;align-items:center;justify-content:center}
.topbar-close:hover{background:rgba(255,255,255,.14);color:#fff}
@media (prefers-reduced-motion:reduce){.topbar-dot{animation:none}}
@media (max-width:639px){.topbar-time{display:none}}
/* 头部导航 */
.site-header{position:sticky;top:0;z-index:80;background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:28px;height:28px;border-radius:50%;border:3px solid var(--c-primary);border-right-color:var(--c-lime);border-bottom-color:var(--c-lime);transform:rotate(-18deg);flex:none}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:18px;font-weight:800;color:var(--c-primary);letter-spacing:.2px}
.logo-sub{font-size:11px;color:var(--c-ink-3);letter-spacing:.08em}
.nav-list{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-list a{position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);padding:8px 0;display:inline-block}
.nav-list a::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--c-lime);border-radius:2px;transition:width .18s ease}
.nav-list a:hover{color:var(--c-primary)}
.nav-list a:hover::after,.nav-list a.is-active::after{width:100%}
.nav-list a.is-active{color:var(--c-primary);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.mobile-cta{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;color:var(--c-primary);border-color:rgba(18,67,58,.28)}
.btn-outline:hover{background:var(--c-primary-100);color:var(--c-primary-700);border-color:var(--c-primary)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-lime{background:var(--c-lime);color:var(--c-primary-700)}
.btn-lime:hover{background:#cbe94a;color:var(--c-primary-700);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.nav-cta{height:40px;min-height:40px;padding:0 20px;font-size:14.5px}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface)}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:1023px){
  .nav-list{
    position:fixed;left:0;right:0;top:0;height:100vh;
    background:var(--c-surface);flex-direction:column;align-items:stretch;
    gap:0;padding:88px 20px 110px;margin:0;
    transform:translateY(-110%);transition:transform .26s ease;
    z-index:70;overflow-y:auto;
  }
  .nav-list.is-open{transform:translateY(0)}
  .nav-list a{font-size:16px;font-weight:600;color:var(--c-ink);padding:0;height:48px;display:flex;align-items:center;border-bottom:1px solid var(--c-line)}
  .nav-list a::after{display:none}
  .mobile-cta{display:inline-flex;position:fixed;left:20px;right:20px;bottom:24px;width:calc(100% - 40px);height:48px;justify-content:center}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
  .nav-inner{height:60px}
}
/* 面包屑 */
.crumb-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);padding:18px 0}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:rgba(20,24,28,.2)}
.crumb .current{color:var(--c-ink-2);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* 文章头部 */
.article-hero{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:36px 0 40px;position:relative;overflow:hidden}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(216,242,90,.35),rgba(216,242,90,0) 68%);
  pointer-events:none;
}
.channel-tag{display:inline-flex;align-items:center;gap:8px;background:var(--c-primary-100);color:var(--c-primary);font-size:12.5px;font-weight:600;letter-spacing:.04em;padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px}
.channel-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.article-title{font-size:40px;line-height:1.24;font-weight:800;letter-spacing:-.5px;max-width:900px;position:relative;z-index:1}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin-top:20px;font-size:14px;color:var(--c-ink-3)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .pill{background:var(--c-primary-100);color:var(--c-primary);border-radius:var(--r-pill);padding:3px 12px;font-weight:600;font-size:12.5px}
@media (max-width:767px){
  .article-title{font-size:27px;line-height:1.32}
  .article-hero{padding:26px 0 30px}
  .crumb .current{max-width:100%}
}
/* 主体布局 */
.article-section{padding:56px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:44px;align-items:start}
.article-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:40px 44px}
.article-body{font-size:17px;line-height:1.9;color:#20262B;max-width:800px}
.article-body>*+*{margin-top:1em}
.article-body h2{font-size:26px;line-height:1.4;font-weight:700;color:var(--c-primary);margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--c-lime)}
.article-body h3{font-size:21px;line-height:1.5;margin:32px 0 12px;font-weight:700;color:var(--c-ink)}
.article-body h4{font-size:18px;line-height:1.5;margin:24px 0 10px;font-weight:600}
.article-body p{margin-bottom:1em}
.article-body ul,.article-body ol{padding-left:1.4em;margin-bottom:1em}
.article-body ul li{list-style:disc;margin-bottom:.5em}
.article-body ol li{list-style:decimal;margin-bottom:.5em}
.article-body blockquote{border-left:4px solid var(--c-lime);background:var(--c-primary-100);padding:16px 22px;border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--c-ink-2);margin:24px 0}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;display:block;overflow-x:auto;white-space:nowrap}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.article-body th{background:var(--c-primary-100);color:var(--c-primary);font-weight:600}
.article-body code{background:var(--c-primary-100);color:var(--c-primary-700);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body pre{overflow-x:auto;background:var(--c-primary-700);color:#EAF3EF;padding:18px 20px;border-radius:var(--r-sm);margin:24px 0;line-height:1.7}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent-hover)}
.article-body>p:first-of-type::first-letter{font-size:2.4em;font-weight:800;color:var(--c-primary);float:left;line-height:1;margin:6px 10px 0 0}
.article-empty{text-align:center;padding:56px 24px;background:var(--c-bg);border:1px dashed rgba(18,67,58,.18);border-radius:var(--r-card)}
.article-empty h2{font-size:22px;color:var(--c-primary);margin-bottom:10px}
.article-empty p{color:var(--c-ink-2);margin-bottom:20px}
/* 标签 */
.tag-block{margin-top:36px;padding-top:26px;border-top:1px dashed rgba(20,24,28,.14)}
.tag-block h3{font-size:15px;font-weight:600;color:var(--c-ink-2);margin-bottom:14px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;letter-spacing:.02em;color:var(--c-primary);background:var(--c-primary-100);border:1px solid transparent;padding:7px 14px;border-radius:var(--r-pill);transition:background .18s ease,color .18s ease,border-color .18s ease}
.tag:hover{background:var(--c-surface);border-color:rgba(18,67,58,.28);color:var(--c-primary-700)}
/* 侧栏 */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:15px;font-weight:700;color:var(--c-primary);margin-bottom:14px;letter-spacing:.02em}
.side-list li{margin-bottom:10px}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:14.5px;color:var(--c-ink-2);padding:9px 12px;border-radius:var(--r-sm);transition:background .18s ease,color .18s ease,transform .18s ease}
.side-list a:hover{background:var(--c-primary-100);color:var(--c-primary);transform:translateX(3px)}
.side-list .arrow{color:var(--c-ink-3);font-size:13px}
.side-note{font-size:13.5px;line-height:1.75;color:var(--c-ink-3);margin-top:12px}
.side-cta{margin-top:14px;width:100%}
/* 相关推荐 */
.related{padding:0 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700;color:var(--c-primary)}
.section-head p{font-size:14px;color:var(--c-ink-3);margin-top:6px}
.section-head .more-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.section-head .more-link:hover{color:var(--c-accent-hover)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-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}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,67,58,.2)}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-100)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.05)}
.rel-thumb .badge{position:absolute;left:12px;top:12px;background:var(--c-lime);color:var(--c-primary-700);font-size:11.5px;font-weight:700;letter-spacing:.04em;padding:4px 10px;border-radius:6px}
.rel-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;line-height:1.5;font-weight:700;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover .rel-body h3{color:var(--c-primary)}
.rel-body p{font-size:14px;line-height:1.75;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rel-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-ink-3);margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line)}
/* 返回入口 */
.back-row{display:flex;justify-content:center;padding:0 0 72px}
/* CTA 带 */
.cta-band{background:var(--c-primary);color:#fff;padding:52px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;left:-60px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(216,242,90,.28);pointer-events:none;
}
.cta-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap;position:relative;z-index:1}
.cta-text{flex:1 1 320px;min-width:260px}
.cta-text h2{color:#fff;font-size:30px;line-height:1.32;font-weight:700}
.cta-text p{color:rgba(255,255,255,.8);font-size:15px;margin-top:10px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-qr{width:96px;height:96px;background:#fff;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;text-align:center;color:var(--c-primary);font-size:12px;line-height:1.5;font-weight:600;padding:8px;flex:none}
/* 页脚 */
.site-footer{background:var(--c-primary-700);color:rgba(255,255,255,.85);padding:64px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .logo-name{color:#fff;font-size:19px}
.footer-brand .logo-sub{color:rgba(255,255,255,.6)}
.footer-brand p{color:rgba(255,255,255,.72);line-height:1.8;margin:14px 0 18px;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.8);font-size:14.5px}
.footer-col a:hover{color:var(--c-lime)}
.footer-meta p{color:rgba(255,255,255,.72);line-height:1.9}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}
.site-footer .btn-lime{background:var(--c-lime);color:var(--c-primary-700);font-weight:700}
/* 响应式 */
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 260px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-card{padding:30px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-text h2{font-size:26px}
}
@media (max-width:767px){
  body{font-size:16px}
  .article-section{padding:36px 0 52px}
  .article-card{padding:24px 20px;border-radius:14px}
  .article-body{font-size:16px;line-height:1.88}
  .article-body h2{font-size:22px;margin-top:32px}
  .article-body h3{font-size:19px}
  .article-body>p:first-of-type::first-letter{font-size:2em}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start}
  .section-head h2{font-size:23px}
  .cta-band{padding:40px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%;justify-content:center}
  .cta-qr{width:84px;height:84px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px}
  .site-footer{padding-top:44px}
  .side{flex-direction:column}
  .back-row{padding-bottom:52px}
  .related{padding-bottom:52px}
}
@media (max-width:519px){
  .wrap{padding:0 16px}
  .logo-name{font-size:16px}
  .article-title{font-size:24px}
  .topbar-text{font-size:12px}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category2 */
:root{
  --c-primary:#12433A;
  --c-primary-700:#0C3129;
  --c-primary-100:#E7F0EC;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E85818;
  --c-lime:#D8F25A;
  --c-ink:#14181C;
  --c-ink-2:#55606B;
  --c-ink-3:#8A939C;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-line:rgba(20,24,28,.09);
  --r-card:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,59,46,.05),0 8px 24px rgba(18,59,46,.06);
  --sh-2:0 14px 36px rgba(18,59,46,.14);
  --sec-y:88px;
}
*,*::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:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Inter,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .18s}
a:hover{color:var(--c-accent-hover)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);letter-spacing:-.3px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--c-lime);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:99}
.skip-link:focus{left:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:1px solid transparent;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.24)}
.btn-primary:hover,.btn-primary:focus{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,43,.3)}
.btn-outline{background:transparent;color:var(--c-primary);border-color:rgba(18,67,58,.34)}
.btn-outline:hover,.btn-outline:focus{background:var(--c-primary-100);border-color:var(--c-primary);color:var(--c-primary)}
.btn-lime{background:var(--c-lime);color:var(--c-primary-700)}
.btn-lime:hover,.btn-lime:focus{background:#cbea3d;color:var(--c-primary-700);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn:active{transform:translateY(1px)}

/* ---------- 页头导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:0 1px 0 rgba(18,59,46,.03)}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{position:relative;width:32px;height:32px;border-radius:50%;border:2px solid var(--c-primary);flex:0 0 auto}
.logo-mark::before{content:"";position:absolute;inset:5px;border-radius:50%;border:1.6px solid var(--c-lime)}
.logo-mark::after{content:"";position:absolute;left:50%;top:-2px;width:2px;height:30px;background:rgba(18,67,58,.22);transform:translateX(-50%) rotate(38deg);transform-origin:center}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-name{font-size:18px;font-weight:800;color:var(--c-primary);letter-spacing:-.4px}
.logo-sub{font-size:11px;color:var(--c-ink-3);letter-spacing:.14em;margin-top:4px}
.nav-list{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-list a{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 12px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);white-space:nowrap;border-radius:8px;
}
.nav-list a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;border-radius:2px;
  background:var(--c-lime);transform:scaleX(0);transform-origin:left center;transition:transform .18s ease;
}
.nav-list a:hover{color:var(--c-primary)}
.nav-list a:hover::after,.nav-list a.is-active::after{transform:scaleX(1)}
.nav-list a.is-active{color:var(--c-primary);font-weight:700}
.nav-list a.mobile-cta{display:none}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:12px;
  padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary);transition:transform .2s,opacity .2s}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);padding-top:26px}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb span.sep{color:rgba(20,24,28,.22)}
.crumb .current{color:var(--c-ink-2)}

/* ---------- 页面头 ---------- */
.page-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding-bottom:44px;
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(216,242,90,.16) 0%,rgba(216,242,90,0) 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:48px;align-items:center;margin-top:14px;position:relative;z-index:1}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-primary-100);color:var(--c-primary);font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
h1.page-title{
  font-size:clamp(30px,4.2vw,46px);line-height:1.18;font-weight:800;letter-spacing:-.5px;
  color:var(--c-primary-700);margin:16px 0 14px;
}
h1.page-title em{font-style:normal;color:var(--c-ink)}
.page-lead{font-size:17px;color:var(--c-ink-2);max-width:560px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:6px;
  background:#fff;border:1px solid var(--c-line);font-size:12.5px;font-weight:500;letter-spacing:.04em;color:var(--c-ink-2);
}
.tag.lime{background:var(--c-lime);border-color:var(--c-lime);color:var(--c-primary-700);font-weight:600}
.tag.orange{background:rgba(255,106,43,.1);border-color:rgba(255,106,43,.24);color:var(--c-accent-hover);font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-fig{margin:0;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);background:#fff}
.hero-fig img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ---------- 频道子导航 ---------- */
.subnav{margin-top:36px;display:flex;flex-wrap:wrap;gap:8px;padding:8px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);width:fit-content;max-width:100%;box-shadow:var(--sh-1)}
.subnav a{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--c-ink-2);transition:background .18s,color .18s;
}
.subnav a:hover{background:var(--c-primary-100);color:var(--c-primary)}
.subnav a.is-active{background:var(--c-primary);color:#fff;font-weight:600}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:720px;margin-bottom:40px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.12em;color:var(--c-accent);margin-bottom:10px}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.28;font-weight:700;color:var(--c-primary-700)}
.section-sub{margin-top:12px;font-size:16px;color:var(--c-ink-2);line-height:1.8}

/* ---------- 图文交替 ---------- */
.media-list{display:flex;flex-direction:column}
.media-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:48px;align-items:center;
  padding:34px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:box-shadow .2s,transform .2s;
}
.media-row + .media-row{margin-top:24px}
.media-row:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.media-row.reverse{grid-template-columns:minmax(0,1.08fr) minmax(0,1fr)}
.media-row.reverse .media-fig{order:2}
.media-fig{margin:0;border-radius:14px;overflow:hidden;position:relative;background:var(--c-primary-100)}
.media-fig img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
.media-row:hover .media-fig img{transform:scale(1.03)}
.media-fig .fig-badge{
  position:absolute;left:14px;top:14px;height:26px;display:inline-flex;align-items:center;padding:0 10px;
  border-radius:6px;background:var(--c-lime);color:var(--c-primary-700);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.media-body h3{font-size:23px;line-height:1.4;font-weight:700;color:var(--c-primary-700);margin-bottom:12px}
.media-body > p{font-size:16px;color:var(--c-ink-2);margin-bottom:18px}
.point-list{display:flex;flex-direction:column;gap:12px}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--c-ink-2);line-height:1.7}
.point-list li .pi{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--c-primary-100);
  display:grid;place-items:center;margin-top:3px;
}
.point-list li .pi::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-primary)}
.point-list li b{color:var(--c-ink);font-weight:600}

/* ---------- 服务项目清单 ---------- */
.service-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.service-item{
  display:grid;grid-template-columns:66px minmax(0,1fr) auto;gap:22px;align-items:center;
  padding:24px 28px;border-bottom:1px dashed var(--c-line);
  transition:background .18s,transform .18s;
}
.service-item:last-child{border-bottom:0}
.service-item:hover{background:rgba(231,240,236,.75);transform:translateX(4px)}
.svc-num{
  font-size:30px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.6px rgba(18,59,46,.28);letter-spacing:-1px;
}
.svc-main h4{font-size:18px;font-weight:700;color:var(--c-ink);margin-bottom:6px}
.svc-main p{font-size:15px;color:var(--c-ink-2);line-height:1.75;margin:0;max-width:640px}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}

/* ---------- FAQ ---------- */
.faq{max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
  margin-bottom:12px;overflow:hidden;transition:background .2s,border-color .2s,box-shadow .2s;
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  list-style:none;cursor:pointer;padding:20px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
  min-height:60px;transition:color .18s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-lime);
  color:var(--c-primary-700);font-size:16px;font-weight:700;line-height:26px;text-align:center;
  transition:transform .2s ease,background .2s;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg)}
.faq-item summary:hover{color:var(--c-primary)}
.faq-item[open]{background:var(--c-primary-100);border-color:transparent;box-shadow:var(--sh-1)}
.faq-body{padding:0 22px 22px;font-size:16px;line-height:1.85;color:var(--c-ink-2);border-top:1px solid rgba(18,59,46,.12);margin-top:0;padding-top:16px}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;background:var(--c-primary);color:#fff;padding:64px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-160px;bottom:-220px;width:460px;height:460px;border-radius:50%;
  border:1px solid rgba(216,242,90,.28);pointer-events:none;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;position:relative;z-index:1}
.cta-copy{max-width:620px}
.cta-copy h2{font-size:clamp(24px,3vw,32px);line-height:1.3;color:#fff;margin-bottom:10px}
.cta-copy p{font-size:15px;color:rgba(255,255,255,.8);margin:0}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.qr{
  width:96px;height:96px;border-radius:12px;background:#fff;color:var(--c-primary);
  display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.45;font-weight:600;padding:8px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-700);color:rgba(255,255,255,.85);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.15fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-text{display:block;margin-bottom:14px}
.footer-brand .logo-name{display:block;font-size:19px;font-weight:800;color:#fff;letter-spacing:-.3px}
.footer-brand .logo-sub{display:block;font-size:12px;letter-spacing:.1em;color:var(--c-lime);margin-top:6px}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.7);max-width:320px;margin-bottom:18px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.03em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-col a:hover,.footer-col a:focus{color:var(--c-lime)}
.footer-meta p{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:8px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec-y:64px}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-list{
    position:fixed;left:0;right:0;top:60px;bottom:0;background:#fff;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:10px 20px 96px;gap:0;margin:0;overflow-y:auto;
    transform:translateY(-10px);opacity:0;pointer-events:none;transition:opacity .22s,transform .22s;
    border-top:1px solid var(--c-line);
  }
  body.nav-open .nav-list{transform:none;opacity:1;pointer-events:auto}
  .nav-list a{height:48px;padding:0 6px;font-size:16px;color:var(--c-ink);border-bottom:1px solid var(--c-line);border-radius:0}
  .nav-list a::after{display:none}
  .nav-list a.is-active{color:var(--c-primary)}
  .nav-list a.mobile-cta{
    display:flex;position:fixed;left:20px;right:20px;bottom:20px;height:48px;
    background:var(--c-accent);color:#fff;border:0;border-radius:var(--r-pill);
    justify-content:center;font-weight:600;z-index:5;
  }
  .nav-inner{height:60px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-fig{max-width:560px}
  .hero-fig img{aspect-ratio:16/9}
  .media-row,.media-row.reverse{grid-template-columns:1fr;gap:26px;padding:26px}
  .media-row.reverse .media-fig{order:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  :root{--sec-y:48px}
  .crumb{font-size:13px;padding-top:18px}
  .subnav{border-radius:16px;padding:6px;gap:6px;width:100%}
  .subnav a{height:34px;padding:0 12px;font-size:13.5px}
  .service-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:20px}
  .svc-num{font-size:24px}
  .svc-tags{grid-column:1 / -1;justify-content:flex-start;padding-left:58px}
  .faq-item summary{font-size:16px;padding:16px 18px}
  .faq-body{padding:0 18px 18px;padding-top:14px;font-size:15px}
  .cta-band{padding:48px 0}
  .qr{width:84px;height:84px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  h1.page-title{font-size:28px}
  .hero-actions .btn{flex:1 1 100%}
  .service-item{grid-template-columns:1fr}
  .svc-num{font-size:22px}
  .svc-tags{padding-left:0}
  .media-row{padding:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .qr{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category3 */
:root{
  --c-primary:#12433A;
  --c-primary-700:#0C3129;
  --c-primary-100:#E7F0EC;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E85818;
  --c-lime:#D8F25A;
  --c-ink:#14181C;
  --c-ink-2:#55606B;
  --c-ink-3:#8A939C;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-line:rgba(20,24,28,.09);
  --sh-1:0 1px 2px rgba(18,59,46,.05),0 8px 24px rgba(18,59,46,.06);
  --sh-2:0 14px 36px rgba(18,59,46,.14);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--c-ink)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
figure{margin:0}
:focus-visible{outline:3px solid var(--c-accent);outline-offset:3px;border-radius:8px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo-mark{
  position:relative;width:36px;height:36px;border-radius:50%;
  border:2px solid var(--c-primary);flex:none;overflow:hidden;
}
.logo-mark::before{
  content:"";position:absolute;left:5px;right:5px;top:50%;height:2px;
  background:var(--c-lime);transform:translateY(-50%);
}
.logo-mark::after{
  content:"";position:absolute;right:-6px;top:6px;width:24px;height:24px;
  border-radius:50%;border:2px solid var(--c-primary);opacity:.45;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:17px;font-weight:800;color:var(--c-primary-700);letter-spacing:-.2px}
.logo-sub{font-size:11px;letter-spacing:.14em;color:var(--c-ink-3);font-weight:500}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-list > a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:6px 0;transition:color .18s ease;white-space:nowrap;
}
.nav-list > a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:3px;width:0;
  background:var(--c-lime);border-radius:3px;transition:width .18s ease;
}
.nav-list > a:hover{color:var(--c-primary-700)}
.nav-list > a:hover::after{width:100%}
.nav-list > a.is-active{color:var(--c-primary-700);font-weight:700}
.nav-list > a.is-active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-cta{min-height:40px;height:40px;padding:0 20px;font-size:14.5px}
.mobile-cta{display:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  background:var(--c-surface);border:1px solid var(--c-line);
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{width:20px;height:2px;background:var(--c-primary-700);border-radius:2px;transition:transform .2s ease,opacity .2s ease}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.26)}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,43,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-lime{background:var(--c-lime);color:#0C3129}
.btn-lime:hover{background:#e6ff72;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary);color:#fff}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}

/* ---------- crumbs ---------- */
.crumbs{padding:22px 0 0;font-size:14px;color:var(--c-ink-3)}
.crumbs a{transition:color .18s ease}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{margin:0 7px;opacity:.55}
.crumbs .current{color:var(--c-ink-2)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:56px 0 60px;
  background:
    linear-gradient(118deg,rgba(12,49,41,.95) 0%,rgba(18,67,58,.86) 62%,rgba(18,67,58,.72) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-70px;width:330px;height:330px;
  border-radius:50%;border:1px solid rgba(216,242,90,.32);pointer-events:none;
}
.page-hero::before{
  content:"";position:absolute;right:40px;bottom:-120px;width:220px;height:220px;
  border-radius:50%;border:1px solid rgba(255,255,255,.14);pointer-events:none;
}
.hero-inner{position:relative;z-index:1;max-width:860px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;font-weight:600;
  color:var(--c-lime);margin-bottom:16px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.page-hero h1{
  font-size:46px;line-height:1.18;font-weight:800;letter-spacing:-.5px;color:#fff;
  margin:0 0 16px;
}
.page-hero .lead{
  font-size:18px;line-height:1.7;color:rgba(255,255,255,.84);margin:0;max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:500;letter-spacing:.04em;
  background:var(--c-primary-100);color:var(--c-primary-700);
}
.tag--lime{background:var(--c-lime);color:#0C3129}
.tag--line{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3)}
.tag .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.tag--line .dot{background:var(--c-lime)}

/* ---------- subnav ---------- */
.page-subnav{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.page-subnav .wrap{
  display:flex;align-items:center;gap:24px;overflow-x:auto;
  padding-top:13px;padding-bottom:13px;scrollbar-width:none;
}
.page-subnav .wrap::-webkit-scrollbar{display:none}
.page-subnav a{
  font-size:14.5px;color:var(--c-ink-2);white-space:nowrap;
  padding-bottom:3px;border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.page-subnav a:hover{color:var(--c-primary-700);border-color:var(--c-lime)}

/* ---------- sections ---------- */
.section{padding:82px 0}
.section--plain{background:var(--c-surface)}
.section-head{max-width:780px;margin-bottom:38px}
.eyebrow{
  font-size:12.5px;letter-spacing:.16em;font-weight:600;color:var(--c-primary);
  margin:0 0 12px;
}
.section-head h2{font-size:33px;line-height:1.28}
.section-desc{margin:14px 0 0;font-size:16px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- metric cards ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.metric-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:transparent}
.metric-figure{display:flex;align-items:baseline;gap:6px}
.metric-num{
  font-size:46px;font-weight:800;line-height:1;color:var(--c-accent);
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.metric-unit{font-size:15px;font-weight:600;color:var(--c-ink-3)}
.metric-card h3{font-size:19px;line-height:1.45}
.metric-card p{font-size:15px;line-height:1.75;color:var(--c-ink-2);margin:0}
.metric-card .tag{margin-top:auto;align-self:flex-start}

/* ---------- wide figure ---------- */
.fig-wide{margin-bottom:32px}
.fig-wide img{
  width:100%;aspect-ratio:16/7;object-fit:cover;border-radius:var(--r-md);
  border:1px solid var(--c-line);
}
.fig-wide figcaption{
  margin-top:10px;font-size:13px;color:var(--c-ink-3);text-align:center;
}

/* ---------- rule list ---------- */
.rule-list{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:20px;box-shadow:var(--sh-1);overflow:hidden;
}
.rule-list li{
  display:flex;align-items:flex-start;gap:20px;
  padding:22px 26px;border-bottom:1px dashed var(--c-line);
  transition:background .18s ease,padding-left .18s ease;
}
.rule-list li:last-child{border-bottom:none}
.rule-list li:hover{background:rgba(231,240,236,.55);padding-left:30px}
.rule-idx{
  flex:none;width:46px;font-size:26px;font-weight:800;line-height:1.2;
  color:transparent;-webkit-text-stroke:1px #bcd2ca;font-variant-numeric:tabular-nums;
}
.rule-body h3{font-size:18px;margin-bottom:4px}
.rule-body p{margin:0;font-size:15px;line-height:1.75;color:var(--c-ink-2)}
.rule-tag{margin-left:auto;flex:none;align-self:center}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.compare-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
.compare-card h3{font-size:21px;margin-bottom:6px}
.compare-card .compare-sub{font-size:14px;color:var(--c-ink-3);margin:0 0 18px}
.compare-list li{
  display:flex;align-items:flex-start;gap:10px;
  padding:11px 0;border-bottom:1px dashed var(--c-line);
  font-size:15px;line-height:1.7;color:var(--c-ink-2);
}
.compare-list li:last-child{border-bottom:none;padding-bottom:0}
.compare-list .mark{
  flex:none;width:20px;height:20px;margin-top:4px;border-radius:50%;
  background:var(--c-primary-100);color:var(--c-primary-700);
  display:grid;place-items:center;font-size:12px;font-weight:700;
}
.compare-card--dark{background:var(--c-primary-700);border-color:transparent;color:#fff}
.compare-card--dark h3{color:#fff}
.compare-card--dark .compare-sub{color:rgba(255,255,255,.6)}
.compare-card--dark .compare-list li{color:rgba(255,255,255,.82);border-bottom-color:rgba(255,255,255,.14)}
.compare-card--dark .mark{background:var(--c-lime);color:#0C3129}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:0 24px;transition:background .2s ease,border-color .2s ease;
}
.faq-item[open]{background:var(--c-primary-100);border-color:transparent}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 0;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;
  background:var(--c-lime);color:var(--c-primary-700);
  display:grid;place-items:center;font-size:16px;font-weight:700;
  transition:transform .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{
  font-size:16px;line-height:1.85;color:var(--c-ink-2);
  border-top:1px solid rgba(20,24,28,.08);
  padding:16px 0 22px;
}
.faq-body p:last-child{margin-bottom:0}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-primary-700);color:#fff;padding:58px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-text{max-width:620px}
.cta-band h2{font-size:30px;line-height:1.3;color:#fff}
.cta-band p{margin:10px 0 0;font-size:15px;line-height:1.75;color:rgba(255,255,255,.78)}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.qr-box{
  width:96px;height:96px;border-radius:var(--r-sm);background:#fff;
  display:grid;place-items:center;text-align:center;padding:10px;
  font-size:12px;line-height:1.45;color:var(--c-ink-3);
}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-700);color:rgba(255,255,255,.85);padding:64px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .logo-name{display:block;font-size:19px;color:#fff;letter-spacing:-.2px}
.footer-brand .logo-sub{display:block;margin-top:6px;font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.55)}
.footer-brand p{margin:16px 0 20px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.7);max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li:last-child{margin-bottom:0}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.75);transition:color .18s ease}
.footer-col a:hover{color:var(--c-lime)}
.footer-meta p{margin:0 0 9px;font-size:14px;color:rgba(255,255,255,.7)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-inner{height:60px}
  .nav-toggle{display:flex;position:relative;z-index:70}
  .nav-cta{display:none}
  .nav-list{
    position:fixed;inset:0;z-index:55;background:var(--c-surface);
    display:none;flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 32px;overflow-y:auto;
  }
  body.nav-open{overflow:hidden}
  body.nav-open .nav-list{display:flex}
  .nav-list > a{
    font-size:17px;padding:15px 0;color:var(--c-ink);
    border-bottom:1px solid var(--c-line);
  }
  .nav-list > a::after{display:none}
  .nav-list > a.is-active{color:var(--c-primary-700)}
  .mobile-cta{display:flex;margin-top:24px;width:100%}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .page-hero h1{font-size:36px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .page-hero{padding:40px 0 44px}
  .page-hero h1{font-size:30px;letter-spacing:-.3px}
  .page-hero .lead{font-size:16px}
  .section-head h2{font-size:24px}
  .cta-band h2{font-size:23px}
  .metric-grid{grid-template-columns:1fr;gap:16px}
  .compare-grid{grid-template-columns:1fr}
  .rule-list li{padding:20px;gap:14px;flex-wrap:wrap}
  .rule-list li:hover{padding-left:20px}
  .rule-idx{width:38px;font-size:22px}
  .rule-tag{margin-left:52px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .qr-box{width:100%;height:auto;padding:16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .fig-wide img{aspect-ratio:4/3}
  .faq-item{padding:0 18px}
  .faq-item summary{font-size:16px;padding:18px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category5 */
:root{
  --c-primary:#12433A;
  --c-primary-700:#0C3129;
  --c-primary-100:#E7F0EC;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E85818;
  --c-lime:#D8F25A;
  --c-ink:#14181C;
  --c-ink-2:#55606B;
  --c-ink-3:#8A939C;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-line:rgba(20,24,28,.09);
  --sh-1:0 1px 2px rgba(18,59,46,.05),0 8px 24px rgba(18,59,46,.06);
  --sh-2:0 14px 36px rgba(18,59,46,.14);
  --r-card:18px;
  --r-sm:12px;
  --r-pill:999px;
  --r-img:14px;
  --wrap:1200px;
}
*,*::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:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--c-primary-700);}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid var(--c-lime);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;}

/* ============ 顶部活动条 ============ */
.topbar{background:var(--c-primary-700);color:rgba(255,255,255,.88);font-size:13px;}
.topbar .wrap{display:flex;align-items:center;gap:12px;min-height:34px;padding-top:4px;padding-bottom:4px;}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;animation:pulse 1.8s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}
.topbar .tag{background:rgba(216,242,90,.14);color:var(--c-lime);border-radius:var(--r-pill);padding:1px 10px;font-size:12px;letter-spacing:.04em;}
.topbar .txt{color:rgba(255,255,255,.85);}
.topbar .spacer{margin-left:auto;}
.topbar .close{background:transparent;border:0;color:rgba(255,255,255,.6);font-size:16px;line-height:1;padding:4px 6px;}
.topbar .close:hover{color:var(--c-lime);}
@media (max-width:767px){.topbar .txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:50%;
  border:2px solid var(--c-primary);
  position:relative;flex:0 0 auto;
}
.logo-mark::before{
  content:"";position:absolute;inset:6px 3px;
  border:2px solid var(--c-lime);
  border-radius:50%;
  border-right-color:transparent;border-top-color:transparent;
  transform:rotate(-28deg);
}
.logo-mark::after{
  content:"";position:absolute;left:50%;top:50%;
  width:6px;height:6px;margin:-3px 0 0 -3px;
  border-radius:50%;background:var(--c-accent);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-name{font-size:19px;font-weight:800;letter-spacing:-.3px;color:var(--c-primary);}
.logo-sub{font-size:11.5px;color:var(--c-ink-3);letter-spacing:.06em;margin-top:3px;}
.nav-list{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-list > a{
  position:relative;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:8px 0;
}
.nav-list > a::after{
  content:"";position:absolute;left:0;bottom:0;height:3px;width:0;
  background:var(--c-lime);border-radius:2px;transition:width .18s ease;
}
.nav-list > a:hover{color:var(--c-primary);}
.nav-list > a:hover::after{width:100%;}
.nav-list > a.is-active{color:var(--c-primary);font-weight:700;}
.nav-list > a.is-active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.22);}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:rgba(18,59,46,.35);}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary-700);border-color:var(--c-primary);}
.btn-lime{background:var(--c-lime);color:var(--c-primary-700);}
.btn-lime:hover{background:#cbe947;color:var(--c-primary-700);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.nav-cta{min-height:40px;padding:0 20px;}
.mobile-cta{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;
  background:var(--c-surface);padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
@media (max-width:1023px){
  .nav-inner{min-height:60px;gap:12px;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-list{
    position:fixed;left:0;right:0;top:0;bottom:0;
    background:var(--c-surface);
    flex-direction:column;align-items:stretch;gap:0;
    padding:88px 20px 96px;margin:0;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
    z-index:70;overflow-y:auto;
  }
  .nav-list.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-list > a{font-size:16px;padding:14px 4px;border-bottom:1px solid var(--c-line);min-height:48px;display:flex;align-items:center;}
  .nav-list > a::after{display:none;}
  .nav-list > a.is-active{color:var(--c-primary);background:var(--c-primary-100);border-radius:10px;padding-left:12px;}
  .mobile-cta{display:flex;position:fixed;left:20px;right:20px;bottom:24px;z-index:80;min-height:48px;border-bottom:0;}
  .nav-list.is-open .mobile-cta{display:flex;}
}
@media (max-width:1023px) and (max-height:520px){
  .nav-list{padding-top:76px;}
}

/* ============ 页面头 ============ */
.page-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);
  padding:36px 0 56px;
  position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(216,242,90,.30) 0%,rgba(216,242,90,0) 70%);
  pointer-events:none;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);}
.crumbs a{color:var(--c-ink-3);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:rgba(20,24,28,.22);}
.crumbs .current{color:var(--c-ink-2);}
.page-hero h1{
  margin-top:14px;
  font-size:48px;line-height:1.18;font-weight:800;letter-spacing:-.5px;
  color:var(--c-ink);max-width:820px;
}
.page-hero h1 em{font-style:normal;color:var(--c-primary);}
.lede{margin-top:16px;font-size:17px;color:var(--c-ink-2);max-width:700px;}
.status-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.status{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:6px 14px;font-size:13px;color:var(--c-ink-2);box-shadow:var(--sh-1);
}
.status .p{width:6px;height:6px;border-radius:50%;background:var(--c-lime);}
.status .p.o{background:var(--c-accent);}
.subnav{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.subnav a{
  font-size:14px;font-weight:500;color:var(--c-ink-2);
  padding:8px 16px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
}
.subnav a:hover{border-color:var(--c-primary);color:var(--c-primary);}
.subnav a.on{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}

/* ============ 板块 ============ */
.section{padding:72px 0;}
.section.alt{background:var(--c-surface);}
.section-head{max-width:760px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.08em;color:var(--c-primary);
  background:var(--c-primary-100);border-radius:var(--r-pill);padding:4px 12px;font-weight:600;
}
.section-head h2{margin-top:14px;font-size:34px;line-height:1.28;font-weight:700;letter-spacing:-.3px;}
.section-head p{margin-top:12px;color:var(--c-ink-2);font-size:16px;}

/* 步骤条 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.steps::before{
  content:"";position:absolute;left:8%;right:8%;top:34px;height:2px;
  background:repeating-linear-gradient(90deg,rgba(18,59,46,.18) 0 8px,transparent 8px 16px);
}
.step{position:relative;background:var(--c-bg);border-radius:var(--r-card);padding:24px;border:1px solid transparent;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:var(--c-primary-100);}
.step .num{
  width:52px;height:52px;border-radius:50%;
  background:var(--c-surface);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:var(--c-primary);
  position:relative;z-index:1;margin-bottom:16px;
}
.step:nth-child(1) .num{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(216,242,90,.5);}
.step h3{font-size:18px;font-weight:700;line-height:1.5;}
.step p{margin-top:8px;font-size:15px;color:var(--c-ink-2);}

/* 入口卡 */
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.entry{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:16px;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.entry:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:var(--c-primary-100);}
.entry-top{display:flex;align-items:flex-start;gap:16px;}
.entry-thumb{
  width:96px;height:96px;flex:0 0 auto;border-radius:var(--r-img);overflow:hidden;
  background:var(--c-primary-100);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;}
.entry-info{min-width:0;}
.entry-info h3{font-size:20px;font-weight:700;line-height:1.4;}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.badge{
  font-size:12.5px;font-weight:500;letter-spacing:.04em;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--c-primary-100);color:var(--c-primary-700);
}
.badge.lime{background:var(--c-lime);color:var(--c-primary-700);}
.badge.accent{background:rgba(255,106,43,.12);color:var(--c-accent);}
.badge.plain{background:#F1F0EC;color:var(--c-ink-2);}
.entry p{font-size:15.5px;color:var(--c-ink-2);}
.entry-meta{
  display:flex;flex-wrap:wrap;gap:8px 20px;
  padding-top:14px;border-top:1px dashed rgba(20,24,28,.12);
  font-size:14px;color:var(--c-ink-3);
}
.entry-meta strong{color:var(--c-ink);font-weight:600;}
.entry-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:auto;}

/* 核对清单 */
.checklist{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.check-item{
  display:flex;align-items:flex-start;gap:18px;
  padding:22px 24px;border-bottom:1px dashed rgba(20,24,28,.12);
  transition:background-color .18s ease,transform .18s ease;
}
.check-item:last-child{border-bottom:0;}
.check-item:hover{background:rgba(231,240,236,.55);transform:translateX(4px);}
.check-no{
  font-size:32px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.4px var(--c-primary-100);
  flex:0 0 auto;width:56px;
}
.check-body h3{font-size:18px;font-weight:700;line-height:1.5;}
.check-body p{margin-top:6px;font-size:15px;color:var(--c-ink-2);}
.check-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{background:var(--c-primary-100);border-color:transparent;box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;font-size:18px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .ic{
  width:28px;height:28px;border-radius:50%;flex:0 0 auto;
  background:var(--c-lime);color:var(--c-primary-700);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
  transition:transform .2s ease;
}
.faq-item[open] summary .ic{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px;border-top:1px solid rgba(20,24,28,.08);margin-top:0;padding-top:16px;font-size:16px;color:var(--c-ink-2);}
.faq-body p + p{margin-top:10px;}

/* CTA */
.cta-band{background:var(--c-primary);color:#fff;padding:64px 0;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;left:-140px;bottom:-180px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(216,242,90,.22);pointer-events:none;
}
.cta-grid{display:flex;align-items:center;gap:40px;position:relative;z-index:1;}
.cta-copy h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.4px;}
.cta-copy p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.8);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.cta-qr{
  margin-left:auto;flex:0 0 auto;
  width:112px;height:112px;border-radius:var(--r-sm);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  color:var(--c-ink-2);font-size:11.5px;text-align:center;padding:8px;line-height:1.4;
}
.cta-qr span.box{width:44px;height:44px;border:2px dashed rgba(18,59,46,.35);border-radius:6px;}

/* 页脚 */
.site-footer{background:var(--c-primary-700);color:rgba(255,255,255,.85);padding:64px 0 28px;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo-name{color:#fff;font-size:19px;font-weight:800;display:block;}
.footer-brand .logo-sub{color:rgba(255,255,255,.55);font-size:12px;letter-spacing:.06em;display:block;margin-top:6px;}
.footer-brand p{margin:16px 0 20px;color:rgba(255,255,255,.7);font-size:14.5px;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.78);font-size:14.5px;}
.footer-col a:hover{color:var(--c-lime);}
.footer-meta p{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:8px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

@media (max-width:1199px){
  .entry-thumb{width:84px;height:84px;}
}
@media (max-width:1023px){
  .page-hero h1{font-size:38px;}
  .section{padding:60px 0;}
  .section-head h2{font-size:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-grid{flex-wrap:wrap;}
  .cta-qr{margin-left:0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .page-hero{padding:24px 0 44px;}
  .page-hero h1{font-size:32px;}
  .lede{font-size:16px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:24px;}
  .steps{grid-template-columns:1fr;gap:14px;}
  .steps::before{display:none;}
  .step{padding:20px;display:flex;gap:16px;align-items:flex-start;}
  .step .num{margin-bottom:0;flex:0 0 auto;width:44px;height:44px;font-size:17px;}
  .entry-grid{grid-template-columns:1fr;}
  .entry{padding:20px;}
  .entry-thumb{width:72px;height:72px;}
  .entry-actions .btn{flex:1 1 100%;}
  .check-item{padding:18px;gap:14px;}
  .check-no{width:40px;font-size:26px;}
  .cta-band{padding:48px 0;}
  .cta-copy h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .cta-qr{width:96px;height:96px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{font-size:16px;padding:14px 16px;}
  .faq-body{padding:14px 16px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category4 */
:root{
  --c-primary:#12433A;
  --c-primary-700:#0C3129;
  --c-primary-100:#E7F0EC;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E85818;
  --c-lime:#D8F25A;
  --c-ink:#14181C;
  --c-ink-2:#55606B;
  --c-ink-3:#8A939C;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-line:rgba(20,24,28,.09);
  --r-card:18px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(18,59,46,.05),0 8px 24px rgba(18,59,46,.06);
  --sh-2:0 14px 36px rgba(18,59,46,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Inter,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease}
a:hover{color:var(--c-primary-700)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.2px;line-height:1.3}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}
:focus-visible{outline:3px solid var(--c-lime);outline-offset:2px;box-shadow:0 0 0 6px rgba(255,106,43,.22);border-radius:6px}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.btn-primary:hover,.btn-primary:active{background:var(--c-accent-hover);color:#fff;border-color:var(--c-accent-hover);transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,88,24,.28)}
.btn-lime{background:var(--c-lime);color:var(--c-primary-700);border-color:var(--c-lime)}
.btn-lime:hover{background:#e6ff6f;color:var(--c-primary-700);transform:translateY(-1px);box-shadow:0 10px 22px rgba(216,242,90,.28)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:var(--c-primary);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;border-color:#fff}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-line)}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  position:relative;width:36px;height:36px;border-radius:50%;
  border:2px solid var(--c-primary);flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;inset:6px;border-radius:50%;
  border:2px solid var(--c-lime);
  border-left-color:transparent;border-bottom-color:transparent;
  transform:rotate(-28deg);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:17px;font-weight:800;color:var(--c-primary-700);letter-spacing:-.2px}
.logo-sub{font-size:11px;color:var(--c-ink-3);letter-spacing:.14em}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-list a{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 11px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
}
.nav-list a::after{
  content:"";position:absolute;left:11px;right:11px;bottom:6px;height:3px;border-radius:2px;
  background:var(--c-lime);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-list a:hover{color:var(--c-primary-700)}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a.is-active{color:var(--c-primary-700);font-weight:700}
.nav-list a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-cta{min-height:40px;padding:0 20px;font-size:14px}
.mobile-cta{display:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary-700);transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 分类页头 ---------- */
.ch-hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    linear-gradient(105deg,rgba(12,49,41,.95) 0%,rgba(18,67,58,.86) 58%,rgba(18,67,58,.7) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  padding:44px 0 56px;
}
.ch-hero::before{
  content:"";position:absolute;top:0;right:7%;width:96px;height:100%;
  background:repeating-linear-gradient(135deg,rgba(216,242,90,.22) 0 1px,transparent 1px 13px);
  opacity:.55;pointer-events:none;
}
.crumbs{position:relative;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:16px}
.crumbs a{color:rgba(255,255,255,.78)}
.crumbs a:hover{color:var(--c-lime)}
.crumbs .sep{margin:0 8px;opacity:.55}
.crumbs .current{color:rgba(255,255,255,.92)}
.ch-hero h1{
  position:relative;max-width:900px;margin:0 0 14px;
  font-size:48px;line-height:1.18;font-weight:800;letter-spacing:-.5px;color:#fff;
}
.ch-lead{position:relative;max-width:680px;margin:0 0 26px;font-size:17px;color:rgba(255,255,255,.82)}
.chips{position:relative;display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:rgba(255,255,255,.86);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.26);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.5);transform:translateY(-1px)}
.chip.is-active{background:var(--c-lime);color:var(--c-primary-700);border-color:var(--c-lime);font-weight:600}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section--surface{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:720px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  letter-spacing:.12em;color:var(--c-primary);
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--c-lime);border-radius:2px}
.section h2{font-size:34px;line-height:1.28;font-weight:700;color:var(--c-primary-700);margin:14px 0 12px}
.section-sub{font-size:16px;color:var(--c-ink-2);margin:0;max-width:680px}

/* ---------- 速查卡片 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.quick-card{
  display:flex;flex-direction:column;gap:10px;
  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;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-primary-100)}
.qc-icon{
  width:44px;height:44px;border-radius:12px;background:var(--c-primary-100);
  display:grid;place-items:center;color:var(--c-primary);margin-bottom:2px;
}
.qc-icon svg{width:22px;height:22px}
.quick-card h3{font-size:18px;font-weight:700;color:var(--c-ink)}
.quick-card p{font-size:15px;line-height:1.75;color:var(--c-ink-2);margin:0}
.qc-link{
  margin-top:auto;padding-top:6px;font-size:14px;font-weight:600;color:var(--c-accent);
  display:inline-flex;align-items:center;gap:6px;
}
.qc-link:hover{color:var(--c-accent-hover);gap:10px}

/* ---------- 问答列表 ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-group + .faq-group{margin-top:44px}
.faq-group-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.faq-group-head .dot{width:10px;height:10px;border-radius:50%;background:var(--c-lime);flex:0 0 auto}
.faq-group h3{font-size:23px;font-weight:700;color:var(--c-primary-700);margin:0}
.faq-group-head .count{margin-left:auto;font-size:13px;color:var(--c-ink-3)}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--c-primary-100);box-shadow:var(--sh-1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:14px 24px;cursor:pointer;list-style:none;
  font-size:18px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--c-lime);color:var(--c-primary-700);
  display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;
  transition:transform .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open]{background:var(--c-primary-100);border-color:transparent}
.faq-body{
  padding:14px 24px 20px;margin-top:2px;
  border-top:1px solid rgba(20,24,28,.07);
  font-size:16px;line-height:1.85;color:var(--c-ink-2);
}
.faq-body p{margin:0 0 10px}
.faq-body p:last-child{margin-bottom:0}

/* ---------- 图文块 ---------- */
.order-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.order-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--c-line)}
.order-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.order-list{display:grid;gap:18px;margin-top:24px}
.order-item{display:flex;gap:16px;padding:18px 20px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.order-item:hover{transform:translateX(4px);box-shadow:var(--sh-1);border-color:var(--c-primary-100)}
.order-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  background:var(--c-primary);color:#fff;display:grid;place-items:center;
  font-size:15px;font-weight:700;
}
.order-item h4{font-size:17px;font-weight:700;margin:0 0 4px;color:var(--c-ink)}
.order-item p{font-size:15px;line-height:1.7;color:var(--c-ink-2);margin:0}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--c-primary-700);color:#fff;padding:64px 0}
.cta-band::before{
  content:"";position:absolute;left:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(216,242,90,.18);
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-copy{max-width:620px}
.cta-band h2{color:#fff;font-size:32px;line-height:1.28;margin:0 0 10px}
.cta-band p{color:rgba(255,255,255,.8);font-size:15px;margin:0}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.qr-box{
  width:96px;height:96px;border-radius:12px;background:#fff;color:var(--c-primary-700);
  display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.4;
  padding:8px;font-weight:600;
}

/* ---------- 回到顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:28px;z-index:90;
  width:48px;height:48px;border-radius:50%;border:none;
  background:var(--c-primary);color:#fff;display:grid;place-items:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .2s ease;
}
.back-top svg{width:20px;height:20px}
.back-top:hover{background:var(--c-primary-700);transform:translateY(-2px)}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-700);color:rgba(255,255,255,.85);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo-name{display:block;font-size:18px;font-weight:800;color:#fff;letter-spacing:-.2px}
.footer-brand .logo-sub{display:block;font-size:12px;color:var(--c-lime);letter-spacing:.1em;margin-top:4px}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.7);margin:14px 0 18px;max-width:280px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin:0 0 14px;letter-spacing:.04em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.78)}
.footer-col a:hover{color:var(--c-lime)}
.footer-meta p{font-size:14px;color:rgba(255,255,255,.68);margin:0 0 8px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .quick-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
}
@media (max-width:1023px){
  .ch-hero{padding:36px 0 48px}
  .ch-hero h1{font-size:38px}
  .section{padding:64px 0}
  .section h2{font-size:28px}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .order-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band h2{font-size:26px}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-list{
    position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
    margin:0;padding:84px 20px 24px;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;box-shadow:-16px 0 40px rgba(12,49,41,.16);
    transform:translateX(102%);transition:transform .28s ease;overflow-y:auto;z-index:85;
  }
  .nav-list.is-open{transform:translateX(0)}
  .nav-list a{height:48px;padding:0 12px;font-size:16px;border-bottom:1px solid var(--c-line);border-radius:0}
  .nav-list a::after{display:none}
  .nav-list a.is-active{background:var(--c-primary-100);border-radius:10px}
  .mobile-cta{display:inline-flex;margin-top:18px;justify-content:center;border-bottom:none !important;height:48px;width:100%}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .nav-inner{min-height:60px;gap:12px}
  .logo-name{font-size:16px}
  .logo-sub{font-size:10px}
  .ch-hero{padding:28px 0 40px}
  .ch-hero::before{display:none}
  .ch-hero h1{font-size:32px;line-height:1.22;letter-spacing:-.3px}
  .ch-lead{font-size:15px;margin-bottom:20px}
  .crumbs{font-size:13px}
  .chip{font-size:13px;padding:7px 13px}
  .section{padding:48px 0}
  .section h2{font-size:24px;margin:10px 0 10px}
  .section-sub{font-size:15px}
  .quick-grid{grid-template-columns:1fr;gap:16px}
  .quick-card{padding:20px}
  .faq-item summary{font-size:16px;padding:12px 18px;min-height:56px}
  .faq-body{padding:12px 18px 18px;font-size:15px}
  .faq-group h3{font-size:20px}
  .order-item{padding:16px}
  .cta-band{padding:44px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .qr-box{width:100%;height:auto;min-height:64px;padding:12px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px;margin-top:28px}
  .back-top{right:16px;bottom:18px;width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}