/* roulang page: index */
:root{
  --c-main:#0E8C7E;
  --c-main-deep:#0A6F64;
  --c-alt:#E8823C;
  --c-mist:#6E8B93;
  --c-bg:#F6F4EF;
  --c-dark:#0F2B2A;
  --c-text:#16211F;
  --c-text-2:#5A6B68;
  --border:#E3DFD6;
  --white:#ffffff;
  --r-card:20px;
  --r-big:28px;
  --r-btn:12px;
  --sh-sm:0 8px 24px rgba(14,43,42,.06);
  --sh-lg:0 16px 36px rgba(14,43,42,.12);
  --grad-brand:linear-gradient(45deg,#0A6F64 0%,#17B39B 55%,#F2B36A 100%);
  --container:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0;}
a{color:var(--c-main);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-alt);}
h1,h2,h3,h4{margin:0 0 14px;font-weight:700;line-height:1.3;letter-spacing:0;color:var(--c-text);}
h1{font-size:clamp(30px,4vw,46px);}
h2{font-size:clamp(22px,2.6vw,32px);}
h3{font-size:19px;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head .eyebrow{display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--c-alt);font-weight:700;margin-bottom:10px;}
.section-head p{color:var(--c-text-2);max-width:640px;margin:0;font-size:15.5px;}
.link-more{font-size:15px;font-weight:600;white-space:nowrap;}
.link-more i{margin-left:6px;font-size:12px;transition:transform .2s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;line-height:1.2;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;text-align:center;
}
.btn-primary{background:var(--c-alt);color:#fff;box-shadow:0 10px 24px rgba(232,130,60,.28);}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(232,130,60,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 8px rgba(0,0,0,.16);}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--c-text);}
.btn-ghost:hover{border-color:var(--c-main);color:var(--c-main);transform:translateY(-2px);box-shadow:var(--sh-sm);}
.btn-glass{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);color:#fff;backdrop-filter:blur(8px);}
.btn-glass:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:8px 18px;font-size:14.5px;}

/* ---------- tags / badges ---------- */
.tag{
  display:inline-block;padding:3px 12px;border-radius:999px;
  background:rgba(14,140,126,.09);color:var(--c-main);
  font-size:12.5px;font-weight:600;line-height:1.7;
  transition:background-color .2s ease,color .2s ease;
}
.tag:hover{background:var(--c-main);color:#fff;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(255,255,255,.14);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 8px 28px rgba(6,26,25,.16);
  transition:background-color .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-stuck{
  background:rgba(246,244,239,.94);
  border-bottom:1px solid var(--border);
  box-shadow:0 10px 28px rgba(14,43,42,.10);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:19px;letter-spacing:0;}
.brand:hover{color:#fff;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 28px;
  background:var(--grad-brand);
  position:relative;
  box-shadow:0 6px 16px rgba(10,111,100,.35);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;
  border:2px solid rgba(255,255,255,.9);border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(45deg);
}
.nav-main{display:flex;align-items:center;gap:4px;}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.92);transition:background-color .2s ease,color .2s ease;
}
.nav-link:hover{background:rgba(255,255,255,.16);color:#fff;}
.nav-link.is-active{background:rgba(255,255,255,.22);color:#fff;font-weight:700;}
.site-header.is-stuck .brand,
.site-header.is-stuck .nav-link{color:var(--c-text);}
.site-header.is-stuck .nav-link:hover{background:rgba(14,140,126,.10);color:var(--c-main-deep);}
.site-header.is-stuck .nav-link.is-active{background:rgba(14,140,126,.12);color:var(--c-main-deep);}
.site-header.is-stuck .brand:hover{color:var(--c-main-deep);}
.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.10);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.24);transform:translateY(-1px);}
.site-header.is-stuck .icon-btn{color:var(--c-text);border-color:var(--border);background:#fff;}
.site-header.is-stuck .icon-btn:hover{color:var(--c-main-deep);border-color:var(--c-main);}
.hamburger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.1);}
.hamburger span{display:block;width:18px;height:2px;margin:3px auto;background:#fff;border-radius:2px;}
.site-header.is-stuck .hamburger{border-color:var(--border);background:#fff;}
.site-header.is-stuck .hamburger span{background:var(--c-text);}
.drawer-mask{position:fixed;inset:0;background:rgba(15,43,42,.45);opacity:0;visibility:hidden;transition:opacity .24s ease;z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- hero ---------- */
.hero{
  position:relative;display:flex;align-items:center;
  min-height:86vh;padding:160px 0 96px;overflow:hidden;color:#fff;background:var(--c-dark);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,111,100,.80) 0%,rgba(15,43,42,.66) 46%,rgba(232,130,60,.38) 100%);
}
.hero .container{position:relative;z-index:3;}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.badge{
  display:flex;align-items:baseline;gap:6px;
  padding:10px 18px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(23,179,155,.55);
  backdrop-filter:blur(6px);
}
.badge b{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;color:#fff;}
.badge span{font-size:13px;color:rgba(255,255,255,.86);}
.hero h1{color:#fff;max-width:820px;margin-bottom:20px;text-shadow:0 2px 18px rgba(6,26,25,.28);}
.hero-sub{max-width:620px;font-size:17.5px;line-height:1.85;color:rgba(255,255,255,.9);margin-bottom:34px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;height:56px;z-index:2;opacity:.12;}
.hero-scroll{
  position:absolute;right:36px;bottom:64px;z-index:3;
  writing-mode:vertical-rl;font-size:12.5px;letter-spacing:.22em;color:rgba(255,255,255,.7);
  padding-left:16px;border-left:1px solid rgba(255,255,255,.34);
}

/* ---------- catalog ---------- */
.catalog-grid{display:grid;grid-template-columns:minmax(280px,1fr) 1.45fr;gap:40px;align-items:start;}
.catalog-list{border-top:1px solid var(--border);}
.catalog-item{
  display:flex;align-items:center;gap:18px;padding:18px 12px 18px 0;
  border-bottom:1px solid var(--border);transition:transform .2s ease,color .2s ease;
}
.catalog-item:hover{transform:translateX(4px);}
.catalog-item .num{
  font-size:15px;font-weight:800;color:var(--c-mist);font-variant-numeric:tabular-nums;flex:0 0 34px;
}
.catalog-item .name{font-size:16.5px;font-weight:600;color:var(--c-text);flex:1;}
.catalog-item .name small{display:block;font-size:13.5px;font-weight:400;color:var(--c-text-2);margin-top:2px;}
.catalog-item:hover .name{color:var(--c-main);}
.catalog-item i{font-size:12px;color:var(--c-mist);}
.catalog-covers{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.cover-card{
  position:relative;display:block;border-radius:var(--r-big);overflow:hidden;
  background:var(--c-dark);box-shadow:var(--sh-sm);
  transition:transform .35s ease,box-shadow .35s ease;
}
.cover-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.cover-card img{width:100%;height:300px;object-fit:cover;transition:transform .4s ease;}
.cover-card:hover img{transform:scale(1.04);}
.cover-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,26,25,.1) 30%,rgba(6,26,25,.78) 100%);
}
.cover-body{position:absolute;left:24px;right:24px;bottom:22px;z-index:2;color:#fff;}
.cover-body h3{color:#fff;font-size:20px;margin-bottom:8px;}
.cover-body p{color:rgba(255,255,255,.85);font-size:14px;margin:0;}
.cover-body .tag{background:rgba(255,255,255,.2);color:#fff;margin-bottom:12px;}

/* ---------- featured ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.f-main{grid-column:span 8;}
.f-side{grid-column:span 4;display:grid;gap:24px;}
.entry-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:transform .35s ease,box-shadow .35s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.entry-card img{width:100%;height:100%;object-fit:cover;}
.f-main .entry-card img{height:340px;}
.f-side .entry-card img{height:132px;}
.entry-body{padding:22px 24px 24px;}
.entry-body h3{margin:12px 0 10px;}
.entry-body p{color:var(--c-text-2);font-size:15px;margin:0;}
.entry-meta{display:flex;align-items:center;gap:14px;margin-top:16px;font-size:13.5px;color:var(--c-mist);}
.entry-meta i{margin-right:5px;}

/* ---------- news (cms) ---------- */
.news-grid{margin-top:0;}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#d7d2c6;}
.news-link{display:block;color:inherit;flex:1;}
.news-link:hover{color:inherit;}
.news-title{font-size:17.5px;line-height:1.5;margin:14px 0 10px;color:var(--c-text);}
.news-card:hover .news-title{color:var(--c-main-deep);}
.news-summary{
  color:var(--c-text-2);font-size:14.5px;line-height:1.8;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--border);
  font-size:13.5px;color:var(--c-mist);
}
.news-foot .news-arrow{font-weight:600;color:var(--c-main);display:inline-flex;align-items:center;gap:6px;}
.news-foot .news-arrow i{font-size:12px;}
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--border);border-radius:var(--r-card);
}
.empty-state i{font-size:34px;color:var(--c-mist);margin-bottom:14px;display:block;}
.empty-state p{color:var(--c-text-2);margin-bottom:20px;}

/* ---------- stats band ---------- */
.stats-band{
  background:var(--c-dark);color:#fff;padding:64px 0;position:relative;overflow:hidden;
}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.14;
}
.stats-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stat-item{padding:18px 12px;border-radius:var(--r-card);border:1px solid rgba(255,255,255,.16);}
.stat-item b{display:block;font-size:34px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-item span{display:block;margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.78);}

/* ---------- scroll row ---------- */
.scroll-wrap{position:relative;}
.scroll-row{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 20px;scrollbar-width:thin;
}
.scroll-row::-webkit-scrollbar{height:6px;}
.scroll-row::-webkit-scrollbar-thumb{background:rgba(14,140,126,.35);border-radius:999px;}
.scroll-card{
  flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.scroll-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.scroll-card img{height:178px;width:100%;object-fit:cover;}
.scroll-card .sc-body{padding:18px 20px 22px;}
.scroll-card h3{font-size:16.5px;margin:10px 0 8px;line-height:1.5;}
.scroll-card p{font-size:14px;color:var(--c-text-2);margin:0;}
.scroll-nav{display:flex;gap:10px;}
.scroll-nav button{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:#fff;color:var(--c-text);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.scroll-nav button:hover{background:var(--c-main);color:#fff;border-color:var(--c-main);transform:translateY(-2px);}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 96px;}
.cta-inner{
  position:relative;border-radius:var(--r-big);padding:56px 48px;
  background:var(--c-dark);color:#fff;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  border:1px solid transparent;
  background-image:linear-gradient(var(--c-dark),var(--c-dark)),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.cta-inner::before{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:var(--grad-brand);opacity:.18;filter:blur(6px);
}
.cta-inner h2{color:#fff;margin-bottom:10px;position:relative;z-index:2;}
.cta-inner p{color:rgba(255,255,255,.8);margin:0;position:relative;z-index:2;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-sm);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--c-text);text-align:left;
  transition:color .2s ease,background-color .2s ease;
}
.faq-q:hover{color:var(--c-main-deep);}
.faq-q .sign{flex:0 0 26px;text-align:center;font-size:19px;font-weight:400;color:var(--c-main);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{margin:0;padding:0 24px 22px;color:var(--c-text-2);font-size:15.5px;background:#FBF9F4;}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-item.is-open .faq-q{background:#FBF9F4;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:18px;margin-bottom:16px;}
.site-footer p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.66);}
.footer-title{position:relative;font-size:15px;font-weight:700;color:#fff;margin-bottom:20px;padding-top:12px;}
.footer-title::before{content:"";position:absolute;top:0;left:0;width:28px;height:2px;background:var(--c-main);}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--c-alt);text-decoration:underline;}
.footer-contact li{font-size:14.5px;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--c-main);margin-top:6px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .container{padding:0 20px;}
  .section{padding:80px 0;}
  .hero{min-height:78vh;padding:150px 0 80px;}
  .f-main .entry-card img{height:290px;}
}
@media screen and (max-width:991px){
  .section{padding:72px 0;}
  .catalog-grid{grid-template-columns:1fr;gap:32px;}
  .f-main{grid-column:span 12;}
  .f-side{grid-column:span 12;grid-template-columns:1fr 1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero{min-height:auto;padding:140px 0 72px;}
  .hero-scroll{display:none;}
}
@media screen and (max-width:768px){
  body{font-size:16px;}
  .nav-main{
    position:fixed;top:0;right:0;bottom:0;width:284px;z-index:80;
    background:#fff;flex-direction:column;align-items:stretch;
    padding:88px 18px 28px;gap:2px;
    transform:translateX(102%);transition:transform .24s ease;
    box-shadow:-14px 0 40px rgba(14,43,42,.16);
  }
  .nav-main.is-open{transform:translateX(0);}
  .nav-link{color:var(--c-text)!important;padding:13px 14px;border-radius:0;border-left:3px solid transparent;font-size:15.5px;background:none!important;}
  .nav-link.is-active{color:var(--c-main-deep)!important;border-left-color:var(--c-main);font-weight:700;}
  .nav-link:hover{color:var(--c-main-deep)!important;}
  .hamburger{display:block;}
  .header-actions .btn-sm{display:none;}
  .hero-cta .btn{width:100%;}
  .catalog-covers{grid-template-columns:1fr;}
  .cover-card img{height:230px;}
  .f-side{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .cta-inner{padding:40px 26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}
@media screen and (max-width:520px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .hero{padding:126px 0 60px;}
  .badge{padding:8px 14px;}
  .badge b{font-size:22px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-item b{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-badges{gap:10px;}
  .footer-bottom{flex-direction:column;}
  .scroll-card{flex:0 0 82%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --c-main:#0E8C7E;
  --c-main-deep:#0A6F64;
  --c-alt:#E8823C;
  --c-mist:#6E8B93;
  --c-bg:#F6F4EF;
  --c-dark:#0F2B2A;
  --c-text:#16211F;
  --c-sub:#5A6B68;
  --c-border:#E3DFD6;
  --r-card:20px;
  --r-lg:28px;
  --r-btn:12px;
  --sh-1:0 8px 24px rgba(14,43,42,.06);
  --sh-2:0 16px 36px rgba(14,43,42,.12);
  --grad-brand:linear-gradient(45deg,#0A6F64 0%,#17B39B 52%,#F2B36A 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-main);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--c-alt);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:3px;border-radius:6px;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;color:var(--c-text);letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-dark{background:var(--c-dark);color:#EAF1EF;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-title{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px;}
.section-lead{color:var(--c-sub);font-size:16px;max-width:720px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap;}
.more-link{font-size:15px;font-weight:700;color:var(--c-main);display:inline-flex;align-items:center;gap:6px;}
.more-link:hover{color:var(--c-alt);gap:10px;}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 6px 20px rgba(9,36,34,.10);
  transition:background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-stuck{
  background:rgba(246,244,239,.94);
  border-bottom:1px solid var(--c-border);
  box-shadow:0 10px 26px rgba(9,36,34,.10);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;letter-spacing:0;}
.site-header.is-stuck .brand{color:var(--c-text);}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 28px;
  background:var(--grad-brand);
  box-shadow:0 4px 12px rgba(14,140,126,.35);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px 7px 11px 7px;border-radius:50% 50% 45% 45%;
  border:1.6px solid rgba(255,255,255,.85);border-top-color:transparent;
}
.nav-main{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:999px;font-size:15.5px;font-weight:600;
  color:rgba(255,255,255,.92);transition:background .22s ease,color .22s ease;
}
.nav-link:hover{background:rgba(255,255,255,.20);color:#fff;}
.nav-link.is-active{background:rgba(255,255,255,.24);color:#fff;}
.site-header.is-stuck .nav-link{color:var(--c-sub);}
.site-header.is-stuck .nav-link:hover{background:rgba(14,140,126,.10);color:var(--c-main-deep);}
.site-header.is-stuck .nav-link.is-active{background:rgba(14,140,126,.12);color:var(--c-main-deep);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.45);
  background:rgba(255,255,255,.12);color:#fff;cursor:pointer;font-size:15px;
  display:inline-flex;align-items:center;justify-content:center;transition:all .22s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.26);}
.site-header.is-stuck .icon-btn{border-color:var(--c-border);background:#fff;color:var(--c-main-deep);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.14);color:#fff;font-size:17px;cursor:pointer;}
.site-header.is-stuck .nav-toggle{border-color:var(--c-border);background:#fff;color:var(--c-text);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--c-alt);color:#fff;box-shadow:0 8px 20px rgba(232,130,60,.28);}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(120,58,16,.25);}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px);}
.btn-line{background:#fff;color:var(--c-main-deep);border-color:var(--c-border);box-shadow:var(--sh-1);}
.btn-line:hover{color:var(--c-main-deep);border-color:var(--c-main);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-sm{min-height:40px;padding:0 18px;font-size:15px;}

/* 内页头图 */
.page-hero{position:relative;padding:150px 0 76px;overflow:hidden;background:var(--c-dark);}
.page-hero .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55;}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(10,111,100,.86) 0%,rgba(15,43,42,.72) 48%,rgba(242,179,106,.34) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;height:38px;z-index:3;opacity:.14;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:20px;}
.crumbs a{color:rgba(255,255,255,.9);}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs .sep{opacity:.55;}
.crumbs .current{color:#F6D3A9;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom;}
.page-hero h1{font-size:clamp(26px,3.4vw,42px);color:#fff;max-width:900px;line-height:1.32;}
.page-hero .hero-sub{color:rgba(255,255,255,.88);margin-top:16px;font-size:16.5px;max-width:760px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:24px;font-size:14px;color:rgba(255,255,255,.85);}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px;}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;font-size:13px;font-weight:700;}
.pill-on-dark{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);color:#fff;}
.pill-main{background:rgba(14,140,126,.10);color:var(--c-main-deep);}
.pill-alt{background:rgba(232,130,60,.14);color:#B25A1C;}

/* 文章布局 */
.article-wrap{padding:56px 0 88px;}
.reading{max-width:800px;margin:0 auto;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:52px 56px;}
.entry-body{font-size:17px;line-height:1.9;color:#26312F;}
.entry-body > *:first-child{margin-top:0;}
.entry-body p{margin:0 0 1.25em;}
.entry-body h2{font-size:clamp(20px,2.2vw,26px);margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--c-main);}
.entry-body h3{font-size:19px;margin:32px 0 12px;}
.entry-body h4{font-size:17px;margin:24px 0 10px;}
.entry-body a{font-weight:600;border-bottom:1px solid rgba(14,140,126,.35);}
.entry-body ul,.entry-body ol{margin:0 0 1.25em;padding-left:4px;}
.entry-body ul li,.entry-body ol li{position:relative;padding-left:20px;margin-bottom:9px;}
.entry-body ul li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--c-main);}
.entry-body ol{counter-reset:li;}
.entry-body ol li::before{
  counter-increment:li;content:counter(li);position:absolute;left:0;top:.1em;
  width:20px;height:20px;border-radius:6px;background:rgba(14,140,126,.12);color:var(--c-main-deep);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.entry-body ol li{padding-left:30px;}
.entry-body blockquote{
  margin:26px 0;padding:20px 24px;background:#EDF5F3;border-left:4px solid var(--c-main);
  border-radius:0 14px 14px 0;color:#33514C;font-style:normal;
}
.entry-body img{border-radius:16px;margin:26px auto;}
.entry-body figure{margin:26px 0;}
.entry-body figcaption{text-align:center;font-size:13px;color:var(--c-mist);margin-top:10px;}
.entry-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border-radius:14px;overflow:hidden;box-shadow:0 0 0 1px var(--c-border);}
.entry-body th,.entry-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--c-border);}
.entry-body th{background:#F1F6F4;font-weight:700;color:var(--c-main-deep);}
.entry-body tr:last-child td{border-bottom:none;}
.entry-body pre{background:#0F2B2A;color:#DDEBE7;padding:18px 20px;border-radius:14px;overflow-x:auto;font-size:14px;}
.entry-body code{background:rgba(14,140,126,.10);color:var(--c-main-deep);padding:2px 6px;border-radius:6px;font-size:.94em;}
.entry-body hr{border:none;border-top:1px solid var(--c-border);margin:34px 0;}
.empty-state{text-align:center;padding:44px 20px;}
.empty-state .empty-icon{width:56px;height:56px;border-radius:18px;background:rgba(14,140,126,.10);color:var(--c-main-deep);display:inline-flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--c-sub);margin-bottom:22px;}

/* 文末操作条 */
.entry-actions{
  max-width:800px;margin:28px auto 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:18px 24px;box-shadow:var(--sh-1);
}
.entry-actions .action-text{font-size:14.5px;color:var(--c-sub);}
.action-group{display:flex;flex-wrap:wrap;gap:10px;}
.chip-btn{
  min-height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--c-border);background:#FBF9F5;
  color:var(--c-main-deep);font-size:14.5px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:7px;
  transition:all .22s ease;
}
.chip-btn:hover{border-color:var(--c-main);background:rgba(14,140,126,.08);transform:translateY(-2px);}
.copy-tip{font-size:13.5px;color:var(--c-main-deep);opacity:0;transition:opacity .24s ease;}
.copy-tip.is-show{opacity:1;}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .3s ease,box-shadow .3s ease;display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad-brand);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .media-tag{position:absolute;left:14px;bottom:14px;}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18px;font-weight:800;line-height:1.45;}
.card-title a{color:var(--c-text);}
.card-title a:hover{color:var(--c-main-deep);}
.card-desc{font-size:14.8px;color:var(--c-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--c-mist);margin-top:auto;}

/* 关联查阅 */
.nav-links-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.nav-card{
  display:block;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.nav-card:hover{transform:translateX(4px);border-color:var(--c-main);box-shadow:var(--sh-2);}
.nav-card .nav-label{font-size:13px;font-weight:700;color:var(--c-alt);letter-spacing:.04em;}
.nav-card .nav-title{font-size:18px;font-weight:800;color:var(--c-text);margin-top:8px;}
.nav-card .nav-desc{font-size:14.5px;color:var(--c-sub);margin-top:8px;}

/* CTA 区块 */
.cta-block{
  position:relative;background:var(--c-dark);border-radius:var(--r-lg);padding:48px 52px;color:#EAF1EF;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 0 0 1px rgba(242,179,106,.42), var(--sh-2);
}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(45deg,rgba(10,111,100,.42) 0%,rgba(23,179,155,.16) 55%,rgba(242,179,106,.22) 100%);
}
.cta-block > *{position:relative;z-index:2;}
.cta-block h2{font-size:clamp(20px,2.4vw,28px);color:#fff;margin-bottom:10px;}
.cta-block p{color:rgba(234,241,239,.84);max-width:560px;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 页脚 */
.site-footer{background:var(--c-dark);color:rgba(234,241,239,.82);padding:72px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{width:26px;height:26px;flex:0 0 26px;border-radius:8px;}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(234,241,239,.72);}
.footer-title{font-size:15px;font-weight:700;color:#fff;padding-top:12px;position:relative;margin-bottom:18px;}
.footer-title::before{content:"";position:absolute;top:0;left:0;width:28px;height:2px;border-radius:2px;background:var(--c-main);}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;color:rgba(234,241,239,.78);}
.footer-links a:hover{color:var(--c-alt);text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;margin-bottom:12px;color:rgba(234,241,239,.78);}
.footer-contact i{color:var(--c-main);margin-top:4px;}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(234,241,239,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(234,241,239,.58);
}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(10,26,25,.5);opacity:0;visibility:hidden;transition:opacity .24s ease;z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .26s ease;padding:22px 18px;overflow-y:auto;box-shadow:-12px 0 30px rgba(9,36,34,.18);
}
.drawer.is-open{transform:translateX(0);}
.drawer h2{font-size:15px;color:var(--c-mist);font-weight:700;margin-bottom:14px;}
.drawer a{
  display:block;line-height:48px;padding:0 14px;border-radius:12px;color:var(--c-text);font-size:16px;font-weight:600;margin-bottom:4px;
}
.drawer a:hover{background:#F1F6F4;color:var(--c-main-deep);}
.drawer a.is-active{background:#F1F6F4;color:var(--c-main-deep);border-left:3px solid var(--c-main);}
.drawer .drawer-cta{margin-top:16px;}
.drawer .drawer-cta .btn{width:100%;}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

@media screen and (max-width:1199px){
  .container{max-width:1080px;}
  .reading{padding:46px 42px;}
}
@media screen and (max-width:991px){
  .section{padding:72px 0;}
  .nav-main{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .page-hero{padding:132px 0 62px;}
  .reading{padding:40px 32px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .section{padding:58px 0;}
  .container{padding:0 18px;}
  .page-hero{padding:118px 0 52px;}
  .page-hero h1{font-size:25px;}
  .crumbs .current{max-width:36ch;}
  .article-wrap{padding:36px 0 62px;}
  .reading{padding:30px 22px;border-radius:var(--r-card);}
  .entry-body{font-size:16.5px;line-height:1.9;}
  .rel-grid{grid-template-columns:1fr;}
  .nav-links-2{grid-template-columns:1fr;}
  .cta-block{padding:34px 26px;}
  .entry-actions{padding:16px 18px;}
}
@media screen and (max-width:519px){
  .brand{font-size:17px;}
  .meta-row{gap:8px 14px;font-size:13px;}
  .action-group{width:100%;}
  .chip-btn,.btn{width:100%;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --c-main:#0E8C7E;
  --c-main-deep:#0A6F64;
  --c-alt:#E8823C;
  --c-mist:#6E8B93;
  --c-bg:#F6F4EF;
  --c-dark:#0F2B2A;
  --c-text:#16211F;
  --c-sub:#5A6B68;
  --border:#E3DFD6;
  --r-card:20px;
  --r-lg:28px;
  --r-btn:12px;
  --sh:0 8px 24px rgba(14,43,42,.06);
  --sh-h:0 16px 36px rgba(14,43,42,.12);
  --grad:linear-gradient(45deg,#0A6F64 0%,#17B39B 52%,#F2B36A 100%);
  --pad-sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--c-main);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-alt);}
button{font-family:inherit;background:none;border:none;padding:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--pad-sec) 0;}
.section-tight{padding:40px 0 0;}
.row-between{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-main);letter-spacing:.04em;}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-alt);}
.section-title{font-size:clamp(22px,2.6vw,32px);margin-top:12px;}
.section-sub{margin-top:12px;max-width:720px;color:var(--c-sub);font-size:16px;}
.grid-x.case-grid,.grid-margin-x{margin-left:-.9375rem;margin-right:-.9375rem;}
.grid-margin-x > .cell{margin-left:.9375rem;margin-right:.9375rem;}

/* 导航 */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 10px 30px rgba(9,32,30,.16);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-stuck{
  background:rgba(246,244,239,.94);
  border-bottom:1px solid var(--border);
  box-shadow:0 10px 24px rgba(14,43,42,.09);
}
.nav-shell{display:flex;align-items:center;gap:28px;min-height:72px;padding:10px 0;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--grad);position:relative;flex:0 0 28px;}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;
  background:rgba(255,255,255,.92);
  clip-path:polygon(0 62%,46% 0,100% 38%,100% 100%,0 100%);
}
.brand-text{font-size:19px;font-weight:700;color:#fff;line-height:1.2;transition:color .24s ease;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:rgba(255,255,255,.92);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:rgba(255,255,255,.16);color:#fff;}
.nav-link.is-active{color:#fff;background:rgba(255,255,255,.2);}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-alt);
}
.site-header.is-stuck .brand-text{color:var(--c-text);}
.site-header.is-stuck .nav-link{color:var(--c-text);}
.site-header.is-stuck .nav-link:hover{background:rgba(14,140,126,.1);color:var(--c-main-deep);}
.site-header.is-stuck .nav-link.is-active{background:rgba(14,140,126,.12);color:var(--c-main-deep);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.1);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.24);color:#fff;}
.site-header.is-stuck .icon-btn{color:var(--c-main-deep);border-color:var(--border);background:#fff;}
.site-header.is-stuck .icon-btn:hover{background:#fff;color:var(--c-alt);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.1);flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;}
.site-header.is-stuck .nav-toggle{border-color:var(--border);background:#fff;}
.site-header.is-stuck .nav-toggle span{background:var(--c-text);}

/* 抽屉 */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;
  background:#fff;z-index:200;padding:28px 22px;
  box-shadow:-18px 0 44px rgba(14,43,42,.16);
  transform:translateX(102%);
  transition:transform .28s ease;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head .brand-text{color:var(--c-text);font-size:17px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);color:var(--c-text);display:inline-flex;align-items:center;justify-content:center;}
.drawer-link{
  display:block;line-height:48px;padding:0 14px;
  color:var(--c-text);font-weight:600;font-size:16px;
  border-bottom:1px solid var(--border);
  border-left:3px solid transparent;
}
.drawer-link:hover{color:var(--c-main-deep);background:var(--c-bg);}
.drawer-link.is-active{color:var(--c-main-deep);border-left-color:var(--c-main);background:rgba(14,140,126,.06);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,43,42,.42);
  z-index:190;opacity:0;visibility:hidden;transition:opacity .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-alt);color:#fff;box-shadow:0 8px 20px rgba(232,130,60,.28);}
.btn-primary:hover{background:#f0925a;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-h);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 8px rgba(0,0,0,.18);}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline{background:#fff;border-color:var(--border);color:var(--c-main-deep);}
.btn-outline:hover{border-color:var(--c-main);color:var(--c-main-deep);transform:translateY(-2px);box-shadow:var(--sh);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px;}

/* Hero */
.hero-sub{
  position:relative;
  display:flex;align-items:center;
  min-height:380px;
  padding:136px 0 76px;
  color:#fff;
  background-image:
    linear-gradient(115deg,rgba(10,111,100,.86) 0%,rgba(23,179,155,.62) 52%,rgba(242,179,106,.42) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover,cover;
  background-position:center,center;
  background-repeat:no-repeat;
}
.hero-sub::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.22),rgba(255,255,255,0));
}
.hero-inner{position:relative;z-index:2;max-width:880px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:#fff;}
.crumb .sep{opacity:.55;}
.crumb .now{color:#fff;font-weight:600;}
.hero-sub h1{
  margin-top:18px;
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.28;
  font-weight:800;
  color:#fff;
}
.hero-sub .hero-lead{margin-top:16px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.92);max-width:760px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.stat-badge{
  display:flex;align-items:baseline;gap:8px;
  padding:10px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.34);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.stat-badge b{font-size:24px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;color:#fff;}
.stat-badge span{font-size:13px;color:rgba(255,255,255,.86);}

/* 筛选标签 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;
  min-height:40px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:600;
  color:var(--c-main-deep);
  background:rgba(14,140,126,.08);
  border:1px solid rgba(14,140,126,.16);
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.tag:hover{background:rgba(14,140,126,.16);transform:translateY(-1px);}
.tag.is-active{background:var(--c-main);color:#fff;border-color:var(--c-main);box-shadow:0 8px 18px rgba(14,140,126,.24);}
.filter-note{margin-top:14px;font-size:14px;color:var(--c-sub);}

/* 案例卡片 */
.case-item{margin-bottom:24px;}
.case-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);
  transition:transform .3s ease,box-shadow .3s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);}
.case-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad);}
.case-card--tall .case-cover{aspect-ratio:4/3;}
.case-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.case-card:hover .case-cover img{transform:scale(1.04);}
.case-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,43,42,.05) 40%,rgba(15,43,42,.68) 100%);
}
.case-tag{
  position:absolute;left:16px;bottom:52px;z-index:2;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--c-main-deep);
  background:rgba(255,255,255,.92);
}
.case-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;color:#fff;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.5);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.case-body{display:flex;flex-direction:column;flex:1 1 auto;padding:22px 22px 24px;}
.case-body h3{font-size:19px;line-height:1.42;}
.case-body p{margin-top:10px;font-size:14.5px;color:var(--c-sub);line-height:1.75;}
.case-metrics{display:flex;gap:22px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--border);}
.case-metrics li{display:flex;flex-direction:column;}
.case-metrics b{font-size:20px;font-weight:800;color:var(--c-alt);font-variant-numeric:tabular-nums;line-height:1.2;}
.case-metrics span{font-size:12.5px;color:var(--c-mist);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:18px;font-size:14px;font-weight:700;color:var(--c-main-deep);
}
.link-more::after{content:"→";transition:transform .2s ease;}
.link-more:hover{color:var(--c-alt);}
.link-more:hover::after{transform:translateX(4px);}

.divider-cell{margin-bottom:24px;}
.divider-row{display:flex;align-items:center;gap:18px;padding:14px 0;}
.divider-row .line{flex:1 1 auto;height:1px;background:var(--border);}
.divider-row h3{font-size:16px;font-weight:700;color:var(--c-sub);white-space:nowrap;}

/* 复盘行卡 */
.spec-list{display:flex;flex-direction:column;gap:14px;margin-top:36px;}
.spec-item{
  display:flex;align-items:center;gap:20px;
  padding:22px 26px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.spec-item:hover{transform:translateX(4px);border-color:rgba(14,140,126,.35);box-shadow:var(--sh-h);}
.spec-no{
  flex:0 0 46px;height:46px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--c-main-deep);background:rgba(14,140,126,.1);
}
.spec-main{flex:1 1 auto;min-width:0;}
.spec-main h3{font-size:17.5px;}
.spec-main p{margin-top:6px;font-size:14.5px;color:var(--c-sub);}
.spec-value{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;
  font-size:13px;font-weight:700;color:var(--c-alt);
  border:1px solid rgba(232,130,60,.4);
  background:rgba(232,130,60,.08);
  font-variant-numeric:tabular-nums;
}

/* 深色数据带 */
.band-dark{
  background:var(--c-dark);
  color:#fff;
  padding:64px 0;
  position:relative;
  overflow:hidden;
}
.band-dark::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 220px at 12% 0%,rgba(23,179,155,.28),transparent 70%);
  pointer-events:none;
}
.band-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;}
.band-item{padding:18px 10px;border-radius:var(--r-card);border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.04);}
.band-item b{display:block;font-size:32px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.band-item span{display:block;margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.76);}

/* 横向推荐 */
.rail-nav{display:flex;gap:10px;}
.rail-btn{
  width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);background:#fff;color:var(--c-main-deep);
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.rail-btn:hover{background:var(--c-main);color:#fff;transform:translateY(-2px);box-shadow:var(--sh);}
.rail{
  display:flex;gap:18px;margin-top:28px;overflow-x:auto;
  padding:6px 2px 18px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(14,140,126,.3);border-radius:99px;}
.rail-card{
  flex:0 0 268px;scroll-snap-align:start;
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);color:var(--c-text);
  transition:transform .25s ease,box-shadow .25s ease;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);color:var(--c-text);}
.rail-card img{width:100%;height:150px;object-fit:cover;}
.rail-body{padding:16px 18px 20px;}
.rail-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--c-main-deep);background:rgba(14,140,126,.1);border-radius:999px;padding:3px 10px;}
.rail-body h3{margin-top:10px;font-size:15.5px;line-height:1.5;}
.rail-body p{margin-top:8px;font-size:13.5px;color:var(--c-sub);}

/* FAQ */
.faq-list{margin-top:34px;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:rgba(14,140,126,.4);box-shadow:var(--sh);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;
  font-size:17px;font-weight:700;color:var(--c-text);line-height:1.5;
}
.faq-q .sign{
  flex:0 0 26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--c-main-deep);
  background:rgba(14,140,126,.1);transition:transform .24s ease,background .24s ease,color .24s ease;
}
.faq-item.is-open .sign{transform:rotate(45deg);background:var(--c-alt);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--c-sub);line-height:1.85;background:var(--c-bg);padding-top:16px;border-top:1px solid var(--border);}

/* CTA 区块 */
.cta-block{
  position:relative;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:44px 46px;border-radius:var(--r-lg);
  background:var(--c-dark);color:#fff;
  border:1px solid transparent;
  background-image:linear-gradient(var(--c-dark),var(--c-dark)),var(--grad);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  overflow:hidden;
}
.cta-copy{max-width:620px;}
.cta-copy h2{font-size:clamp(20px,2.2vw,26px);color:#fff;}
.cta-copy p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.78);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,16px);
  background:var(--c-dark);color:#fff;font-size:14px;
  padding:12px 22px;border-radius:999px;box-shadow:var(--sh-h);
  opacity:0;visibility:hidden;transition:opacity .25s ease,transform .25s ease,visibility .25s;
  z-index:300;
}
.toast.is-show{opacity:1;visibility:visible;transform:translate(-50%,0);}

/* 页脚 */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.74);padding:72px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px;}
.footer-brand .brand-mark{width:26px;height:26px;flex:0 0 26px;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);}
.footer-title{position:relative;font-size:15px;font-weight:700;color:#fff;padding-top:12px;margin-bottom:16px;}
.footer-title::before{content:"";position:absolute;top:0;left:0;width:26px;height:2px;border-radius:2px;background:var(--c-main);}
.footer-links li{margin-bottom:10px;font-size:14px;}
.footer-links a{color:rgba(255,255,255,.74);}
.footer-links a:hover{color:var(--c-alt);text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.74);}
.footer-contact i{margin-top:5px;color:var(--c-main);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.56);
}

/* Foundation 覆盖 */
a{color:var(--c-main);}
.button,button.button{background-color:var(--c-alt);border-radius:var(--r-btn);}
.accordion{background:transparent;border:none;}
.accordion-item:first-child>.accordion-title{border-top:none;}
.accordion-title{border:none;font-size:16px;color:var(--c-text);}
.reveal{background:var(--c-bg);border:none;border-radius:var(--r-card);box-shadow:var(--sh-h);}
.tabs{border:none;background:transparent;}
.tabs-title>a{font-size:15px;color:var(--c-sub);padding:10px 18px;border-radius:999px;}
.tabs-title.is-active>a{background:var(--c-main);color:#fff;}
label{font-size:14px;color:var(--c-sub);}
input[type="text"],input[type="tel"],textarea{
  height:48px;border-radius:var(--r-btn);border:1px solid var(--border);
  box-shadow:none;background:#fff;font-size:15px;
}
textarea{height:auto;min-height:120px;padding-top:12px;}
input:focus,textarea:focus{border-color:var(--c-main);box-shadow:0 0 0 3px rgba(14,140,126,.12);}

@media screen and (max-width:1199px){
  :root{--pad-sec:80px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
}
@media screen and (max-width:991px){
  :root{--pad-sec:72px;}
  .nav-main{gap:2px;}
  .nav-link{padding:8px 10px;font-size:14px;}
  .hero-sub{min-height:340px;padding:120px 0 64px;}
  .band-grid{grid-template-columns:repeat(2,1fr);}
  .cta-block{padding:34px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width:768px){
  :root{--pad-sec:60px;}
  .container{padding:0 18px;}
  .nav-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{gap:14px;min-height:64px;}
  .brand-text{font-size:17px;}
  .hero-sub{min-height:320px;padding:112px 0 56px;}
  .hero-sub h1{font-size:25px;}
  .hero-sub .hero-lead{font-size:15.5px;}
  .hero-cta{gap:10px;}
  .hero-cta .btn{flex:1 1 auto;}
  .stat-badge b{font-size:20px;}
  .section-title{font-size:21px;}
  .spec-item{flex-direction:column;align-items:flex-start;gap:12px;padding:20px;}
  .rail-card{flex:0 0 232px;}
  .rail-card img{height:132px;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a-inner{padding:14px 18px 20px;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media screen and (max-width:520px){
  .badge-row{gap:8px;}
  .stat-badge{padding:8px 13px;}
  .stat-badge b{font-size:18px;}
  .stat-badge span{font-size:12px;}
  .filter-bar{gap:8px;}
  .tag{min-height:36px;padding:0 14px;font-size:13px;}
  .band-item b{font-size:26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --c-main:#0E8C7E;
  --c-main-deep:#0A6F64;
  --c-alt:#E8823C;
  --c-alt-hover:#F0904C;
  --c-mist:#6E8B93;
  --c-bg:#F6F4EF;
  --c-dark:#0F2B2A;
  --c-text:#16211F;
  --c-sub:#5A6B68;
  --border:#E3DFD6;
  --white:#FFFFFF;
  --r-card:20px;
  --r-lg:28px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-sm:0 8px 24px rgba(14,43,42,.06);
  --sh-lg:0 16px 36px rgba(14,43,42,.12);
  --grad-brand:linear-gradient(45deg,#0A6F64 0%,#17B39B 52%,#F2B36A 100%);
  --wrap:1200px;
  --sec-py:96px;
  --ease:240ms cubic-bezier(.4,0,.2,1);
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--c-main-deep);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover,a:focus{color:var(--c-alt);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:0;color:var(--c-text);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:3px;}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}
.section{padding:var(--sec-py) 0;}
.section-alt{background:#FFFFFF;}
.section-dark{background:var(--c-dark);color:#E6F1EE;}

/* ============ 标题与通用文本 ============ */
.h1{font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.28;}
.h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.32;}
.h3{font-size:19px;font-weight:700;line-height:1.4;}
.lead{font-size:17px;line-height:1.85;color:var(--c-sub);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .h2{margin-bottom:14px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--c-main-deep);
  background:rgba(14,140,126,.08);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.section-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-alt);}
.muted{color:var(--c-sub);}
.divider{height:1px;background:var(--border);border:0;margin:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:all var(--ease);
}
.btn-primary{background:var(--c-alt);color:#fff;box-shadow:0 8px 20px rgba(232,130,60,.24);}
.btn-primary:hover,.btn-primary:focus{background:var(--c-alt-hover);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(232,130,60,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 8px rgba(0,0,0,.18);}
.btn-glass{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.5);backdrop-filter:blur(8px);}
.btn-glass:hover,.btn-glass:focus{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px);}
.btn-glass:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--c-main-deep);border:1px solid var(--c-main);}
.btn-outline:hover,.btn-outline:focus{background:var(--c-main);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-sm);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:0 16px;font-size:15px;}
.btn-block{width:100%;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.nav-wrap{
  display:flex;align-items:center;gap:24px;
  max-width:var(--wrap);margin:0 auto;
  height:72px;padding:0 24px;
  border-bottom:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 6px 22px rgba(15,43,42,.10);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-stuck .nav-wrap{
  background:rgba(246,244,239,.94);
  border-bottom-color:var(--border);
  box-shadow:0 8px 24px rgba(15,43,42,.08);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;flex:0 0 28px;border-radius:9px;
  background:var(--grad-brand);
  position:relative;
  box-shadow:0 4px 12px rgba(23,179,155,.35);
}
.brand-mark::after{
  content:"";position:absolute;left:7px;top:9px;width:14px;height:8px;
  border:2px solid rgba(255,255,255,.92);border-top:0;
  border-radius:0 0 10px 10px;
}
.brand-text{
  font-size:19px;font-weight:700;color:#fff;letter-spacing:0;
  transition:color var(--ease);white-space:nowrap;
}
.site-header.is-stuck .brand-text{color:var(--c-text);}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:38px;padding:0 14px;border-radius:10px;
  font-size:15.5px;font-weight:500;color:rgba(255,255,255,.92);
  transition:all var(--ease);
}
.nav-link:hover,.nav-link:focus{background:rgba(255,255,255,.18);color:#fff;}
.nav-link.is-active{font-weight:700;color:#fff;background:rgba(255,255,255,.2);}
.site-header.is-stuck .nav-link{color:var(--c-text);}
.site-header.is-stuck .nav-link:hover{background:rgba(14,140,126,.08);color:var(--c-main-deep);}
.site-header.is-stuck .nav-link.is-active{color:var(--c-main-deep);background:rgba(14,140,126,.1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-search{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.4);
  transition:all var(--ease);
}
.nav-search:hover{background:rgba(255,255,255,.26);color:#fff;transform:translateY(-2px);}
.site-header.is-stuck .nav-search{color:var(--c-main-deep);background:#fff;border-color:var(--border);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  align-items:center;justify-content:center;color:#fff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.4);
}
.site-header.is-stuck .nav-toggle{color:var(--c-text);background:#fff;border-color:var(--border);}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;max-width:84vw;z-index:80;
  background:#fff;box-shadow:-18px 0 40px rgba(15,43,42,.18);
  padding:26px 20px;transform:translateX(104%);
  transition:transform var(--ease);overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer .drawer-title{font-size:14px;font-weight:700;color:var(--c-sub);margin-bottom:12px;}
.nav-drawer a{
  display:flex;align-items:center;height:48px;padding:0 14px;
  border-radius:10px;font-size:16px;color:var(--c-text);border-left:3px solid transparent;
}
.nav-drawer a.is-active{color:var(--c-main-deep);font-weight:700;border-left-color:var(--c-main);background:rgba(14,140,126,.07);}
.nav-drawer a:hover{background:var(--c-bg);color:var(--c-main-deep);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,43,42,.42);z-index:70;
  opacity:0;visibility:hidden;transition:all var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ Hero（分类页降高版） ============ */
.hero-cat{
  position:relative;overflow:hidden;
  min-height:420px;
  display:flex;align-items:flex-end;
  padding:132px 0 60px;
  background:#0F2B2A url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(10,111,100,.80) 0%,rgba(15,43,42,.62) 46%,rgba(242,179,106,.30) 100%);
}
.hero-cat::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:46px;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='46' viewBox='0 0 120 46'><path d='M0 30 Q30 12 60 30 T120 30' fill='none' stroke='%23ffffff' stroke-width='1.2' opacity='0.14'/></svg>") repeat-x bottom;
}
.hero-cat .container{position:relative;z-index:2;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.badge{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(23,179,155,.72);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  color:#fff;
}
.badge b{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:0;}
.badge span{font-size:12.5px;color:rgba(255,255,255,.86);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.78);margin-bottom:16px;
}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#F2B36A;}
.crumb .sep{opacity:.6;}
.crumb .current{color:#F2B36A;font-weight:700;}
.hero-cat .h1{color:#fff;max-width:900px;}
.hero-cat .hero-sub{
  margin-top:18px;max-width:680px;
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.9);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ============ 左文右图交替 ============ */
.zigzag{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;}
.zigzag + .zigzag{margin-top:64px;}
.zigzag .zig-text{grid-column:span 6;}
.zigzag .zig-media{grid-column:span 6;}
.zigzag.reverse .zig-text{order:2;}
.zigzag.reverse .zig-media{order:1;}
.zig-index{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;color:var(--c-main-deep);
  background:rgba(14,140,126,.08);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.zig-index b{font-variant-numeric:tabular-nums;color:var(--c-alt);font-size:14px;}
.zig-text .h3{font-size:clamp(21px,2.3vw,27px);margin-bottom:14px;}
.zig-text p{color:var(--c-sub);}
.point-list{margin:22px 0 26px;display:grid;gap:12px;}
.point-list li{position:relative;padding-left:26px;color:var(--c-text);font-size:16px;line-height:1.7;}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:9px;height:9px;border-radius:3px;
  background:var(--grad-brand);
}
.zig-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);}
.zig-media img{width:100%;height:340px;object-fit:cover;transition:transform 400ms ease;}
.zig-media:hover img{transform:scale(1.04);}
.zig-media .media-tag{
  position:absolute;left:18px;bottom:18px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(15,43,42,.62);color:#fff;font-size:13px;font-weight:600;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}

/* ============ 参数速查 ============ */
.spec-list{display:grid;gap:14px;}
.spec-row{
  display:grid;grid-template-columns:220px 1fr auto;align-items:center;gap:22px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px 26px;box-shadow:var(--sh-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.spec-row:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(14,140,126,.4);}
.spec-name{font-size:17px;font-weight:700;color:var(--c-text);}
.spec-desc{font-size:15.5px;color:var(--c-sub);line-height:1.75;}
.spec-val{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(232,130,60,.1);border:1px solid rgba(232,130,60,.42);
  color:#B85F21;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
}

/* ============ 流程时间线 ============ */
.timeline{position:relative;padding-left:34px;max-width:820px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--c-main),rgba(232,130,60,.65));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:6px;width:20px;height:20px;
  border-radius:50%;background:#fff;border:3px solid var(--c-main);
  box-shadow:0 0 0 5px rgba(14,140,126,.12);
}
.tl-item h3{font-size:19px;margin-bottom:8px;}
.tl-item p{color:var(--c-sub);margin-bottom:0;}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;}
.chip{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(14,140,126,.08);color:var(--c-main-deep);
  font-size:13px;font-weight:600;transition:all var(--ease);
}
.chip:hover{background:var(--c-main);color:#fff;}

/* ============ 深色指标带 ============ */
.section-dark .h2{color:#fff;}
.section-dark .lead{color:rgba(230,241,238,.76);}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric{
  padding:28px 24px;border-radius:var(--r-card);
  background:rgba(255,255,255,.04);
  border:1px solid transparent;
  border-image:var(--grad-brand) 1;
  border-radius:var(--r-card);
  position:relative;
}
.metric::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-card);
  padding:1px;background:var(--grad-brand);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.metric b{
  display:block;font-size:32px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.metric b i{font-size:15px;font-style:normal;font-weight:600;color:#F2B36A;margin-left:4px;}
.metric span{display:block;margin-top:10px;font-size:14px;color:rgba(230,241,238,.72);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{border-color:rgba(14,140,126,.42);box-shadow:var(--sh-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--c-text);
}
.faq-q .ic{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(14,140,126,.1);color:var(--c-main-deep);font-size:14px;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-q .ic{background:var(--c-alt);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease;}
.faq-a .inner{padding:0 24px 22px;color:var(--c-sub);background:var(--c-bg);}
.faq-a .inner p:last-child{margin-bottom:0;}

/* ============ 联系 CTA 与表单 ============ */
.cta-wrap{
  display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start;
  background:var(--c-dark);border-radius:var(--r-lg);
  padding:48px;position:relative;overflow:hidden;
}
.cta-wrap::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);
  padding:1px;background:var(--grad-brand);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.cta-left{position:relative;z-index:2;color:#E6F1EE;}
.cta-left .h2{color:#fff;margin-bottom:16px;}
.cta-left p{color:rgba(230,241,238,.78);}
.cta-info{display:grid;gap:14px;margin-top:26px;}
.cta-info li{display:flex;align-items:center;gap:12px;font-size:15px;color:rgba(230,241,238,.86);}
.cta-info i{color:#F2B36A;width:18px;text-align:center;}
.form-card{
  position:relative;z-index:2;background:#fff;border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-lg);
}
.form-card .h3{margin-bottom:6px;}
.form-card .form-tip{font-size:14px;color:var(--c-sub);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px;color:var(--c-text);}
.field input,.field textarea{
  width:100%;border:1px solid var(--border);border-radius:12px;
  padding:13px 14px;min-height:48px;background:#fff;color:var(--c-text);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:0;border-color:var(--c-main);background:#F3FBFA;
  box-shadow:0 0 0 4px rgba(14,140,126,.12);
}
.field .err{display:none;margin-top:6px;font-size:13px;color:#C4661F;}
.field.has-error input,.field.has-error textarea{border-color:var(--c-alt);box-shadow:0 0 0 4px rgba(232,130,60,.12);}
.field.has-error .err{display:block;}
.form-note{margin-top:12px;font-size:13px;color:var(--c-sub);}
.form-ok{
  display:none;margin-top:14px;padding:12px 14px;border-radius:12px;
  background:rgba(14,140,126,.1);color:var(--c-main-deep);font-size:14px;font-weight:600;
}
.form-ok.is-show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(230,241,238,.74);padding:76px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{flex:0 0 28px;}
.footer-brand span:last-child{font-size:18px;font-weight:700;color:#fff;}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(230,241,238,.7);margin:0;}
.footer-title{
  position:relative;font-size:15px;font-weight:700;color:#fff;
  padding-top:12px;margin-bottom:18px;
}
.footer-title::before{
  content:"";position:absolute;left:0;top:0;width:34px;height:2px;
  background:var(--c-main);border-radius:2px;
}
.footer-links li,.footer-contact li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;color:rgba(230,241,238,.76);}
.footer-links a:hover{color:var(--c-alt);text-decoration:underline;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(230,241,238,.76);}
.footer-contact i{color:var(--c-main);margin-top:5px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:56px;padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(230,241,238,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec-py:80px;}
  .nav-link{padding:0 11px;font-size:15px;}
  .spec-row{grid-template-columns:180px 1fr auto;gap:18px;}
  .metric b{font-size:28px;}
}
@media (max-width:991px){
  :root{--sec-py:72px;}
  .nav-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-cat{min-height:360px;padding:124px 0 52px;}
  .zigzag .zig-text,.zigzag .zig-media{grid-column:span 12;}
  .zigzag.reverse .zig-text{order:1;}
  .zigzag.reverse .zig-media{order:2;}
  .zig-media img{height:300px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .cta-wrap{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  :root{--sec-py:60px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .brand-text{font-size:17px;}
  .nav-wrap{height:66px;padding:0 16px;gap:14px;}
  .nav-search{display:none;}
  .nav-actions .btn-primary{display:none;}
  .hero-cat{min-height:340px;padding:112px 0 44px;}
  .badge b{font-size:17px;}
  .hero-cta .btn{width:100%;}
  .zigzag + .zigzag{margin-top:44px;}
  .spec-row{grid-template-columns:1fr;gap:12px;}
  .spec-val{justify-self:start;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-28px;}
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .metric b{font-size:24px;}
  .cta-wrap{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  .hero-badges{gap:8px;}
  .badge{padding:6px 12px;}
  .metric-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a .inner{padding:0 18px 18px;}
  .form-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --c-main:#0E8C7E;
  --c-main-deep:#0A6F64;
  --c-alt:#E8823C;
  --c-mist:#6E8B93;
  --c-bg:#F6F4EF;
  --c-dark:#0F2B2A;
  --c-text:#16211F;
  --c-text-2:#5A6B68;
  --border:#E3DFD6;
  --grad:linear-gradient(45deg,#0A6F64 0%,#17B39B 52%,#F2B36A 100%);
  --r-card:20px;
  --r-big:28px;
  --r-btn:12px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(14,43,42,.06);
  --sh-hover:0 16px 36px rgba(14,43,42,.12);
  --ease:.24s ease;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-main);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease)}
a:hover{color:var(--c-main-deep)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-main);outline-offset:3px;border-radius:6px}

.container{max-width:1240px;margin:0 auto;padding:0 20px}
.grid-container{max-width:1240px;padding-left:20px;padding-right:20px}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 6px 22px rgba(14,43,42,.08);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-stuck{
  background:rgba(246,244,239,.95);
  border-bottom:1px solid var(--border);
  box-shadow:0 10px 26px rgba(14,43,42,.1);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:19px;letter-spacing:0;flex:0 0 auto}
.brand:hover{color:#fff}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--grad);
  position:relative;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(10,111,100,.35);
}
.brand-mark::after{
  content:"";position:absolute;left:7px;right:7px;top:8px;bottom:9px;
  background:rgba(255,255,255,.9);
  border-radius:4px 9px 4px 9px;
}
.site-header.is-stuck .brand{color:var(--c-text)}

.nav-main{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:var(--r-pill);
  color:rgba(255,255,255,.9);font-size:15px;font-weight:500;
  transition:background var(--ease),color var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.18);color:#fff}
.nav-link.is-active{background:rgba(255,255,255,.92);color:var(--c-main-deep);font-weight:700}
.site-header.is-stuck .nav-link{color:var(--c-text-2)}
.site-header.is-stuck .nav-link:hover{background:rgba(14,140,126,.1);color:var(--c-main-deep)}
.site-header.is-stuck .nav-link.is-active{background:var(--c-main);color:#fff}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:12px;cursor:pointer;
  border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.12);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--ease),transform var(--ease),border-color var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.site-header.is-stuck .icon-btn{color:var(--c-text);border-color:var(--border);background:#fff}

.menu-toggle{
  display:none;width:44px;height:44px;cursor:pointer;
  border:1px solid rgba(255,255,255,.4);border-radius:12px;
  background:rgba(255,255,255,.12);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:background var(--ease)}
.site-header.is-stuck .menu-toggle span{background:var(--c-text)}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:284px;z-index:120;
  background:#fff;padding:22px 18px;
  transform:translateX(105%);
  transition:transform .28s ease;
  box-shadow:-18px 0 44px rgba(14,43,42,.18);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:16px;font-weight:700;color:var(--c-text)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--c-text);cursor:pointer}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;
  border-left:3px solid transparent;border-radius:0 10px 10px 0;
  color:var(--c-text);font-size:15.5px;font-weight:500;
}
.drawer-nav a:hover{background:#F6F4EF;color:var(--c-main-deep)}
.drawer-nav a.is-active{border-left-color:var(--c-main);background:rgba(14,140,126,.08);color:var(--c-main-deep);font-weight:700}
.drawer-cta{margin-top:20px}
.drawer-mask{
  position:fixed;inset:0;z-index:110;background:rgba(15,43,42,.45);
  opacity:0;pointer-events:none;transition:opacity .28s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
@media screen and (min-width:992px){
  .drawer,.drawer-mask{display:none}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--c-alt);color:#fff;box-shadow:0 10px 22px rgba(232,130,60,.28)}
.btn-primary:hover{background:#F08E4C;color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(232,130,60,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--border);color:var(--c-main-deep)}
.btn-outline:hover{border-color:var(--c-main);color:var(--c-main-deep);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:150px 0 74px;min-height:392px;
  display:flex;align-items:flex-end;color:#fff;background:var(--c-dark);
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.03)}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(10,111,100,.82) 0%,rgba(15,43,42,.55) 58%,rgba(15,43,42,.42) 100%);
}
.hero-inner{position:relative;z-index:3;width:100%}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-badge{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.13);
  border:1px solid rgba(23,179,155,.55);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.hero-badge b{font-size:21px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1}
.hero-badge span{font-size:12.5px;color:rgba(255,255,255,.8)}
.hero-title{
  font-size:clamp(28px,3.5vw,42px);font-weight:800;line-height:1.3;
  max-width:900px;letter-spacing:0;
}
.hero-sub{
  margin-top:16px;max-width:740px;
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.88);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:56px;z-index:2;opacity:.12;pointer-events:none}

/* ============ 通用板块 ============ */
.section{padding:92px 0}
.section-tight{padding-top:0}
.section-white{background:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(14,140,126,.1);color:var(--c-main-deep);
  font-size:13px;font-weight:600;margin-bottom:14px;
}
.h2{font-size:clamp(22px,2.6vw,31px);font-weight:800;line-height:1.32}
.section-head{max-width:780px;margin-bottom:44px}
.section-head p{margin-top:14px;color:var(--c-text-2);font-size:16px;line-height:1.85}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}

/* ============ 主题总览 ============ */
.topic-card{
  height:100%;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 26px 24px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,140,126,.36)}
.topic-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.topic-num{font-size:15px;font-weight:800;color:var(--c-alt);font-variant-numeric:tabular-nums;letter-spacing:.08em}
.topic-icon{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(14,140,126,.1);color:var(--c-main-deep);font-size:16px;
}
.topic-card h3{font-size:19px;font-weight:700;line-height:1.45}
.topic-card p{margin-top:10px;font-size:15px;color:var(--c-text-2);line-height:1.8}
.topic-foot{margin-top:16px;font-size:13.5px;color:var(--c-mist)}

/* ============ 文档主体 ============ */
.docs-section{padding:88px 0 92px;background:#fff}
.toc-card{
  position:sticky;top:100px;
  background:#FBF9F4;border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh);
}
.toc-title{font-size:15px;font-weight:800;color:var(--c-text);padding-bottom:12px;border-bottom:1px solid var(--border)}
.toc-list{display:flex;flex-direction:column;gap:2px;margin-top:12px}
.toc-link{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:0 10px 10px 0;
  border-left:3px solid transparent;
  color:var(--c-text-2);font-size:15px;
  transition:background var(--ease),color var(--ease),transform var(--ease),border-color var(--ease);
}
.toc-link:hover{background:#F1EEE6;color:var(--c-main-deep);transform:translateX(4px)}
.toc-link.is-current{border-left-color:var(--c-main);background:rgba(14,140,126,.09);color:var(--c-main-deep);font-weight:700}
.toc-num{font-size:12.5px;color:var(--c-mist);font-variant-numeric:tabular-nums;font-weight:700}
.toc-link.is-current .toc-num{color:var(--c-main)}

.docs-list{display:flex;flex-direction:column;gap:16px}
.doc-item{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px 24px;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease);
}
.doc-item:hover{background:#FBF9F4;transform:translateX(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,140,126,.3)}
.doc-num{
  flex:0 0 auto;width:46px;height:46px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(14,140,126,.09);color:var(--c-main-deep);
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.doc-main{flex:1 1 auto;min-width:0}
.doc-title{font-size:18.5px;font-weight:700;line-height:1.5}
.doc-title a{color:var(--c-text)}
.doc-title a:hover{color:var(--c-main-deep)}
.doc-sum{
  margin-top:8px;font-size:15px;color:var(--c-text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.doc-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:13px;font-size:13px;color:var(--c-mist)}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(14,140,126,.09);color:var(--c-main-deep);font-size:12.5px;font-weight:600;
  transition:background var(--ease),color var(--ease);
}
.tag:hover{background:var(--c-main);color:#fff}
.doc-ver{font-variant-numeric:tabular-nums}
.doc-arrow{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;margin-top:6px;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-mist);border:1px solid var(--border);font-size:12px;
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.doc-item:hover .doc-arrow{color:var(--c-main);border-color:rgba(14,140,126,.4);transform:translateX(3px)}

/* 移动端目录折叠 */
.toc-wrap > summary{display:none;list-style:none}
.toc-wrap > summary::-webkit-details-marker{display:none}

/* ============ 速查卡 ============ */
.quick-card{
  position:relative;overflow:hidden;border-radius:var(--r-big);
  display:flex;flex-direction:column;justify-content:flex-end;
  background:var(--c-dark);color:#fff;min-height:222px;height:100%;
}
.quick-card.big{min-height:468px}
.quick-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;
  transition:transform .4s ease,opacity .4s ease;
}
.quick-card:hover img{transform:scale(1.04);opacity:.58}
.quick-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,43,42,.15) 0%,rgba(15,43,42,.86) 100%);
}
.quick-body{position:relative;z-index:3;padding:26px}
.quick-body .tag{background:rgba(255,255,255,.16);color:#fff}
.quick-body .tag:hover{background:rgba(255,255,255,.9);color:var(--c-dark)}
.quick-card h3{margin-top:12px;font-size:20px;font-weight:700;line-height:1.45}
.quick-card p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);line-height:1.8}
.quick-card.big h3{font-size:26px}
.quick-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:14.5px;font-weight:600;color:#F2B36A}
.quick-link:hover{color:#fff}
.stack{display:flex;flex-direction:column;gap:30px;height:100%}
.stack > *{flex:1 1 auto}

/* ============ 深色数据带 ============ */
.dark-band{position:relative;overflow:hidden;background:var(--c-dark);color:#fff;padding:70px 0}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 300px at 10% 0%,rgba(23,179,155,.3),transparent 70%),
             radial-gradient(520px 260px at 92% 100%,rgba(232,130,60,.22),transparent 72%);
}
.dark-band .grid-container{position:relative;z-index:2}
.band-head{max-width:700px;margin-bottom:36px}
.band-head h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.35}
.band-head p{margin-top:12px;color:rgba(255,255,255,.74);font-size:15.5px}
.band-item{
  height:100%;border:1px solid transparent;border-radius:18px;padding:22px;
  background:linear-gradient(rgba(255,255,255,.05),rgba(255,255,255,.05)) padding-box,
             linear-gradient(45deg,#0A6F64,#17B39B,#F2B36A) border-box;
}
.band-num{display:block;font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1;color:#fff}
.band-label{display:block;margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.72)}

/* ============ 相关入口卡 ============ */
.entry-card{
  display:flex;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px;height:100%;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,140,126,.34)}
.entry-thumb{flex:0 0 132px;border-radius:16px;overflow:hidden}
.entry-thumb img{width:132px;height:96px;object-fit:cover}
.entry-card h3{font-size:18px;font-weight:700}
.entry-card p{margin-top:8px;font-size:14.5px;color:var(--c-text-2);line-height:1.75}
.entry-link{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:14px;font-weight:600}
.back-top-row{margin-top:40px;display:flex;justify-content:center}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  border:1px solid var(--border);background:#fff;color:var(--c-main-deep);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.back-top:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--c-main);color:var(--c-main-deep)}

/* ============ FAQ ============ */
.faq-list{max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  margin-bottom:12px;overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{box-shadow:var(--sh);border-color:rgba(14,140,126,.28)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--c-text);line-height:1.6;
}
.faq-q .faq-sign{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(14,140,126,.1);color:var(--c-main-deep);
  font-size:14px;font-weight:700;transition:background var(--ease),color var(--ease),transform var(--ease);
}
.faq-item.is-open .faq-sign{background:var(--c-main);color:#fff;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;background:#FBF9F4}
.faq-a p{padding:0 22px 20px;font-size:15.5px;color:var(--c-text-2);line-height:1.85}
.faq-item.is-open .faq-a{max-height:340px}

/* ============ CTA ============ */
.cta-block{
  border:1px solid transparent;border-radius:var(--r-big);padding:44px;
  background:linear-gradient(var(--c-dark),var(--c-dark)) padding-box,
             linear-gradient(45deg,#0A6F64,#17B39B,#F2B36A) border-box;
  color:#fff;
}
.cta-grid{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-grid h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.4}
.cta-grid p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.76);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 26px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand .brand-mark{width:26px;height:26px;border-radius:8px}
.footer-brand .brand-mark::after{left:6px;right:6px;top:7px;bottom:8px}
.site-footer p{line-height:1.85;color:rgba(255,255,255,.66);max-width:360px}
.footer-title{position:relative;padding-top:14px;margin-bottom:16px;font-size:15px;font-weight:700;color:#fff}
.footer-title::before{content:"";position:absolute;top:0;left:0;width:26px;height:2px;background:var(--c-main);border-radius:2px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--c-alt);text-decoration:underline}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;color:rgba(255,255,255,.7)}
.footer-contact i{margin-top:5px;color:var(--c-main)}
.footer-bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 断点 ============ */
@media screen and (max-width:1199px){
  .nav-link{padding:0 11px;font-size:14.5px}
  .brand{font-size:18px}
  .section{padding:80px 0}
  .docs-section{padding:76px 0 80px}
}
@media screen and (max-width:991px){
  .nav-main{display:none}
  .menu-toggle{display:flex}
  .hero{padding:130px 0 62px;min-height:340px}
  .hero-badge b{font-size:19px}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .toc-wrap > summary{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:16px 18px;margin-bottom:18px;cursor:pointer;
    background:#fff;border:1px solid var(--border);border-radius:16px;
    font-size:16px;font-weight:700;color:var(--c-text);
    transition:box-shadow var(--ease),border-color var(--ease);
  }
  .toc-wrap > summary:hover{box-shadow:var(--sh);border-color:rgba(14,140,126,.34)}
  .toc-wrap > summary .sum-hint{font-size:13px;font-weight:500;color:var(--c-mist)}
  .toc-card{position:static;top:auto;background:#FBF9F4}
  .toc-title{display:none}
  .quick-card.big{min-height:320px}
  .cta-block{padding:34px 26px}
}
@media screen and (max-width:767px){
  body{font-size:15.5px}
  .section{padding:58px 0}
  .docs-section{padding:60px 0 66px}
  .hero{padding:118px 0 54px;min-height:auto}
  .hero-title{font-size:26px}
  .hero-sub{font-size:15.5px}
  .hero-cta .btn{width:100%}
  .hero-badge{padding:7px 13px}
  .hero-badge b{font-size:18px}
  .doc-item{padding:18px 16px;gap:13px}
  .doc-num{width:38px;height:38px;border-radius:11px;font-size:13.5px}
  .doc-title{font-size:17px}
  .doc-arrow{display:none}
  .entry-card{flex-direction:column;align-items:flex-start}
  .entry-thumb,.entry-thumb img{width:100%;flex:none;height:150px}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
}
@media screen and (max-width:479px){
  .container,.grid-container{padding-left:16px;padding-right:16px}
  .brand{font-size:16.5px}
  .hero-badges{gap:8px}
  .hero-badge{width:100%;justify-content:flex-start}
  .btn{width:100%}
  .cta-actions .btn{width:100%}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
  --c-main:#0E8C7E;
  --c-main-deep:#0A6F64;
  --c-alt:#E8823C;
  --c-mist:#6E8B93;
  --c-bg:#F6F4EF;
  --c-dark:#0F2B2A;
  --c-text:#16211F;
  --c-text-2:#5A6B68;
  --border:#E3DFD6;
  --white:#ffffff;
  --radius-card:20px;
  --radius-cover:28px;
  --radius-btn:12px;
  --shadow-1:0 8px 24px rgba(14,43,42,.06);
  --shadow-2:0 16px 36px rgba(14,43,42,.12);
  --grad-brand:linear-gradient(45deg,#0A6F64 0%,#17B39B 52%,#F2B36A 100%);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-main);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover,a:focus{color:var(--c-main-deep);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0;}
h1{font-size:clamp(30px,4vw,46px);font-weight:800;}
h2{font-size:clamp(22px,2.6vw,32px);}
h3{font-size:19px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--dark{background:var(--c-dark);color:#EAF2F0;}
.section--paper{background:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--c-main-deep);
  background:rgba(14,140,126,.08);
  border:1px solid rgba(14,140,126,.18);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head p{color:var(--c-text-2);font-size:16.5px;margin:14px 0 0;}
.section-head--dark p{color:rgba(234,242,240,.78);}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 6px 22px rgba(14,43,42,.10);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:var(--grad-brand);
  position:relative;flex:0 0 auto;
  box-shadow:0 4px 12px rgba(10,111,100,.35);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px 6px 6px 7px;
  border-radius:4px;
  border-top:2px solid rgba(255,255,255,.9);
  border-left:2px solid rgba(255,255,255,.55);
  transform:rotate(-12deg);
}
.brand-name{font-size:19px;font-weight:700;letter-spacing:0;white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  color:rgba(255,255,255,.92);font-size:15px;font-weight:500;
  padding:9px 14px;border-radius:999px;line-height:1.2;white-space:nowrap;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-link:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-1px);}
.nav-link.is-active{background:rgba(255,255,255,.22);color:#fff;font-weight:700;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  border:1px solid rgba(255,255,255,.45);
  background:rgba(255,255,255,.12);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .22s ease,transform .22s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.24);transform:translateY(-1px);}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:50%;
  border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.12);
  color:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.site-header.is-stuck{
  background:rgba(246,244,239,.94);
  border-bottom:1px solid var(--border);
  box-shadow:0 8px 26px rgba(14,43,42,.10);
}
.site-header.is-stuck .brand,
.site-header.is-stuck .nav-link,
.site-header.is-stuck .icon-btn,
.site-header.is-stuck .menu-toggle{color:var(--c-text);}
.site-header.is-stuck .nav-link:hover{background:rgba(14,140,126,.10);color:var(--c-main-deep);}
.site-header.is-stuck .nav-link.is-active{background:rgba(14,140,126,.14);color:var(--c-main-deep);}
.site-header.is-stuck .icon-btn,
.site-header.is-stuck .menu-toggle{border-color:var(--border);background:rgba(255,255,255,.7);}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:80;
  background:#fff;box-shadow:-16px 0 40px rgba(14,43,42,.18);
  transform:translateX(102%);transition:transform .3s ease;
  padding:22px 20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:16px;font-weight:700;}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:#fff;color:var(--c-text);cursor:pointer;}
.drawer-link{
  display:block;line-height:48px;padding:0 12px;color:var(--c-text);
  border-bottom:1px solid var(--border);font-size:15.5px;
}
.drawer-link:hover{color:var(--c-main-deep);}
.drawer-link.is-active{color:var(--c-main-deep);font-weight:700;box-shadow:inset 3px 0 0 var(--c-main);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,43,42,.42);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-primary{background:var(--c-alt);color:#fff;box-shadow:0 8px 20px rgba(232,130,60,.28);}
.btn-primary:hover{background:#f08f4b;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 8px rgba(120,55,10,.28);}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--c-main-deep);border:1px solid rgba(14,140,126,.32);}
.btn-outline:hover{background:rgba(14,140,126,.08);color:var(--c-main-deep);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:8px 18px;font-size:14.5px;}
}

/* ---------- hero ---------- */
.hero-inner{
  position:relative;
  min-height:360px;
  display:flex;align-items:center;
  padding:132px 0 64px;
  background-image:linear-gradient(120deg,rgba(10,111,100,.74) 0%,rgba(23,179,155,.44) 48%,rgba(15,43,42,.42) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-inner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:52px;
  background:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='40' viewBox='0 0 240 40'%3E%3Cpath d='M0 26c30-16 60 16 90 0s60-16 90 0 60 16 60 0' fill='none' stroke='%23ffffff' stroke-width='1.4' stroke-opacity='0.12'/%3E%3C/svg%3E") repeat-x;
  pointer-events:none;
}
.hero-content{position:relative;z-index:2;max-width:820px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-badge{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(23,179,155,.85);
  color:#fff;font-size:13px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.hero-badge b{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.hero-title{color:#fff;text-shadow:0 6px 22px rgba(6,32,30,.32);}
.hero-sub{
  color:rgba(255,255,255,.92);font-size:17px;max-width:660px;margin:18px 0 30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-2);padding:16px 0;
}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-main-deep);}
.crumb .sep{color:#C6CECB;}
.crumb .current{color:var(--c-main-deep);font-weight:700;}

/* ---------- support channels ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-8-4{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(0,1fr);gap:28px;align-items:start;}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,140,126,.28);}
.card-icon{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:rgba(14,140,126,.10);color:var(--c-main-deep);font-size:20px;margin-bottom:18px;
}
.card h3{margin-bottom:10px;}
.card p{color:var(--c-text-2);font-size:15.5px;margin-bottom:16px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;color:var(--c-main-deep);
  background:rgba(14,140,126,.08);border-radius:999px;padding:5px 12px;
  transition:background .2s ease,color .2s ease;
}
.chip:hover{background:var(--c-main);color:#fff;}
.chip--alt{color:#B85C1C;background:rgba(232,130,60,.12);}
.chip--alt:hover{background:var(--c-alt);color:#fff;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:38px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(14,140,126,.55),rgba(232,130,60,.45));
}
.tl-item{position:relative;padding:0 0 30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-38px;top:2px;width:24px;height:24px;border-radius:50%;
  background:#fff;border:2px solid var(--c-main);color:var(--c-main-deep);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.tl-item h3{font-size:18px;margin-bottom:8px;}
.tl-item p{color:var(--c-text-2);font-size:15.5px;margin:0;}

/* ---------- level rows ---------- */
.level-list{display:flex;flex-direction:column;gap:14px;}
.level-row{
  display:flex;align-items:center;gap:20px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:20px 24px;box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.level-row:hover{transform:translateX(4px);box-shadow:var(--shadow-2);border-color:rgba(14,140,126,.28);}
.level-tag{
  flex:0 0 auto;min-width:64px;text-align:center;
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  color:#fff;background:var(--c-main-deep);border-radius:10px;padding:8px 10px;
}
.level-tag.p2{background:#159C8C;}
.level-tag.p3{background:var(--c-mist);}
.level-tag.p4{background:var(--c-alt);}
.level-body{flex:1 1 auto;min-width:0;}
.level-body h3{font-size:17px;margin-bottom:4px;}
.level-body p{margin:0;color:var(--c-text-2);font-size:15px;}
.level-meta{
  flex:0 0 auto;font-size:13px;font-weight:700;color:var(--c-main-deep);
  background:rgba(14,140,126,.08);border-radius:999px;padding:6px 14px;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}

/* ---------- faq ---------- */
.faq-group{margin-bottom:38px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-title{
  font-size:19px;margin-bottom:16px;padding-left:14px;position:relative;
}
.faq-group-title::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:var(--c-main);
}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item.is-open{border-color:rgba(14,140,126,.34);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--c-text);line-height:1.5;
}
.faq-q:hover{color:var(--c-main-deep);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:rgba(14,140,126,.10);color:var(--c-main-deep);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  transition:transform .24s ease,background .24s ease,color .24s ease;
}
.faq-item.is-open .faq-icon{background:var(--c-main);color:#fff;transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;background:#FBFAF7;}
.faq-a-inner{padding:2px 24px 22px;color:var(--c-text-2);font-size:15.5px;}
.faq-a-inner p:last-child{margin-bottom:0;}

/* ---------- form ---------- */
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-cover);
  padding:28px;box-shadow:var(--shadow-2);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;}
.field input,
.field select,
.field textarea{
  width:100%;border:1px solid var(--border);border-radius:12px;
  background:#fff;padding:0 14px;height:48px;font-size:15.5px;color:var(--c-text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  font-family:inherit;
}
.field textarea{height:auto;min-height:118px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;border-color:var(--c-main);
  box-shadow:0 0 0 3px rgba(14,140,126,.14);background:#FBFDFC;
}
.form-note{font-size:13px;color:var(--c-text-2);margin:14px 0 0;}
.form-hint{
  display:none;margin-top:14px;padding:12px 16px;border-radius:12px;
  background:rgba(14,140,126,.08);color:var(--c-main-deep);font-size:14.5px;font-weight:700;
}
.form-hint.is-show{display:block;}
.aside-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-cover);
  padding:26px;box-shadow:var(--shadow-1);margin-bottom:20px;
}
.aside-card h3{font-size:17px;margin-bottom:14px;}
.contact-list{display:flex;flex-direction:column;gap:14px;}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-text-2);}
.contact-list i{color:var(--c-main-deep);margin-top:5px;}
.aside-figure{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--border);}
.aside-figure img{width:100%;transition:transform .4s ease;}
.aside-figure:hover img{transform:scale(1.04);}
.badge-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.badge-line{
  display:inline-flex;align-items:baseline;gap:6px;
  border:1px solid rgba(14,140,126,.30);border-radius:999px;padding:7px 14px;
  font-size:12.5px;color:var(--c-main-deep);font-weight:700;
}
.badge-line b{font-size:19px;font-variant-numeric:tabular-nums;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;background:var(--c-dark);color:#fff;
  border-radius:var(--radius-cover);padding:48px;overflow:hidden;
  border:1px solid transparent;
  background-image:linear-gradient(var(--c-dark),var(--c-dark)),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(234,242,240,.82);max-width:640px;margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-share-note{font-size:13px;color:rgba(234,242,240,.7);margin-top:16px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:rgba(234,242,240,.82);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-brand .brand-mark{width:26px;height:26px;border-radius:8px;}
.footer-grid p{font-size:14.5px;line-height:1.85;margin:0;}
.footer-title{font-size:15px;color:#fff;position:relative;padding-top:12px;margin-bottom:16px;}
.footer-title::before{content:"";position:absolute;top:0;left:0;width:26px;height:2px;background:var(--c-main);}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(234,242,240,.82);font-size:14.5px;}
.footer-links a:hover{color:var(--c-alt);text-decoration:underline;}
.footer-contact{display:flex;flex-direction:column;gap:11px;}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;align-items:flex-start;}
.footer-contact i{color:var(--c-main);margin-top:5px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(234,242,240,.16);margin-top:42px;padding-top:20px;
  font-size:13px;color:rgba(234,242,240,.62);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 20px;}
  .section{padding:80px 0;}
  .footer-grid{gap:24px;}
}
@media (max-width:991px){
  .nav-main,.header-actions .icon-btn{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{gap:16px;height:68px;}
  .hero-inner{min-height:330px;padding:120px 0 56px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-8-4{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:60px 0;}
  .section--tight{padding:52px 0;}
  .hero-inner{min-height:300px;padding:112px 0 48px;background-position:center top;}
  .hero-badge b{font-size:19px;}
  .grid-3,.grid-2{grid-template-columns:1fr;gap:16px;}
  .card{padding:22px;}
  .timeline{padding-left:32px;overflow-x:auto;}
  .level-row{flex-wrap:wrap;gap:12px;padding:18px;}
  .level-meta{white-space:normal;}
  .cta-band{padding:30px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .form-card{padding:22px;}
}
@media (max-width:479px){
  .container{padding:0 16px;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .hero-badges{gap:8px;}
  .hero-badge{padding:6px 12px;}
  .card-icon{width:46px;height:46px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}