/* roulang page: index */
:root{
  --brand:#0E3B2E;
  --brand-deep:#0A2C22;
  --sage:#E7EFEB;
  --clay:#D97742;
  --clay-deep:#C1652F;
  --wheat:#E3B85C;
  --sand:#F7F4EF;
  --card:#FFFFFF;
  --ink:#10231D;
  --line:#E3DDD3;
  --t1:#1A1F1D;
  --t2:#5B6660;
  --t3:#8A938D;
  --ok:#2E7D5B;
  --warn:#B4552B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,35,29,.06);
  --sh-2:0 10px 28px -12px rgba(16,35,29,.22);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--sand);
  color:var(--t1);
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1280px){.wrap{padding:0 24px;}}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
@media (max-width:1023px){.section{padding:64px 0;}.section-sm{padding:52px 0;}}
@media (max-width:639px){.section{padding:46px 0;}.section-sm{padding:40px 0;}}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px;}
.mesh{
  background-image:
    linear-gradient(rgba(14,59,46,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(14,59,46,.05) 1px,transparent 1px);
  background-size:28px 28px;
}
.mesh-dark{
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:28px 28px;
}
.nums{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px -10px rgba(16,35,29,.28);}
.head-top{display:flex;align-items:center;gap:24px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  position:relative;
}
.logo-mark::before{
  content:"";width:14px;height:14px;background:var(--clay);
  border-radius:3px;transform:rotate(45deg);
}
.logo-mark::after{
  content:"";position:absolute;width:6px;height:6px;background:var(--wheat);
  border-radius:50%;right:7px;bottom:7px;
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--brand);white-space:nowrap;}
.logo-sub{display:block;font-size:11px;font-weight:500;color:var(--t3);letter-spacing:.08em;line-height:1.2;}
.search-box{
  flex:1;max-width:420px;position:relative;display:none;
}
.search-box input{
  width:100%;height:42px;border-radius:999px;border:1px solid var(--line);
  background:#fff;padding:0 44px 0 18px;font-size:14px;color:var(--t1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:var(--t3);}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,59,46,.12);}
.search-box i{position:absolute;right:17px;top:50%;transform:translateY(-50%);color:var(--t3);font-size:14px;}
.head-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.hot-chips{display:none;gap:8px;}
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:12px;color:var(--t2);
  transition:border-color .2s ease,color .2s ease,background .2s ease;white-space:nowrap;
}
.chip:hover{border-color:var(--clay);color:var(--clay);}
.chip:active{background:var(--sand);}
.hot-toggle{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:12px;color:var(--t2);cursor:pointer;
}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand);cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--sage);border-color:var(--brand);}
.head-nav{display:flex;align-items:center;gap:4px;height:44px;border-top:1px solid var(--line);overflow-x:auto;scrollbar-width:none;}
.head-nav::-webkit-scrollbar{display:none;}
.nav-link{
  position:relative;padding:0 14px;height:44px;display:inline-flex;align-items:center;
  font-size:15px;color:var(--t2);white-space:nowrap;transition:color .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--clay);border-radius:2px;
}
.nav-tail{margin-left:auto;font-size:12.5px;color:var(--t3);display:none;align-items:center;gap:6px;padding-right:4px;}
.nav-tail i{color:var(--clay);}
.burger{display:inline-flex;}
@media (min-width:768px){.search-box{display:block;}.burger{display:none;}}
@media (min-width:1024px){.hot-chips{display:flex;}.nav-tail{display:inline-flex;}}
@media (max-width:767px){.head-top{gap:12px;height:58px;}.logo-text{font-size:16px;}.logo-sub{display:none;}}

/* mobile drawer */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .3s ease;box-shadow:-12px 0 40px -20px rgba(16,35,29,.4);
  display:flex;flex-direction:column;padding:22px 22px 30px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,35,29,.45);z-index:80;opacity:0;pointer-events:none;
  transition:opacity .3s ease;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-link{
  display:block;padding:13px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--t1);
  transition:color .2s ease,padding-left .2s ease;
}
.drawer-link:hover{color:var(--clay);padding-left:4px;}
.drawer-link.active{color:var(--brand);font-weight:700;}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 22px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .2s ease;line-height:1.4;
}
.btn-primary{background:var(--clay);color:#fff;}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 5px rgba(0,0,0,.18);}
.btn-primary[disabled]{opacity:.6;cursor:not-allowed;transform:none;}
.btn-outline{background:transparent;border:1.5px solid var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--sage);}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand);}
.btn-sm{padding:9px 16px;font-size:13.5px;}
.btn-block{width:100%;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
  opacity:.30;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,#F7F4EF 0%,rgba(247,244,239,.94) 42%,rgba(247,244,239,.55) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:44px;padding:60px 0 72px;}
@media (min-width:1024px){
  .hero-inner{grid-template-columns:55% 45%;align-items:center;gap:56px;padding:76px 0 88px;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--brand);font-weight:600;
}
.eyebrow i{color:var(--clay);font-size:12px;}
h1.hero-title{
  font-size:clamp(26px,3.4vw,44px);font-weight:800;letter-spacing:-.01em;line-height:1.35;
  color:var(--brand-deep);margin:20px 0 16px;
}
.hero-sub{font-size:17px;color:var(--t2);max-width:560px;line-height:1.9;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 22px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;font-size:13.5px;color:var(--t2);}
.hero-facts span{display:inline-flex;align-items:center;gap:8px;}
.hero-facts i{color:var(--ok);font-size:12px;}
.hero-facts .dot{color:var(--line);}

/* product spotlight */
.spot{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--sh-2);max-width:460px;
}
@media (max-width:1023px){.spot{margin:0 auto;}}
.spot-media{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--sage);}
.spot-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.spot:hover .spot-media img{transform:scale(1.04);}
.badge{
  position:absolute;top:14px;left:14px;background:var(--clay);color:#fff;
  font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;letter-spacing:.02em;
}
.badge-line{
  position:absolute;top:14px;right:14px;background:rgba(255,255,255,.94);color:var(--brand);
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;border:1px solid rgba(227,184,92,.9);
}
.spot-body{padding:22px;}
.spot-body h3{font-size:19px;font-weight:700;color:var(--t1);line-height:1.55;}
.spot-sell{font-size:14px;color:var(--t2);margin-top:6px;}
.spot-price{display:flex;align-items:flex-end;gap:10px;margin:16px 0 18px;flex-wrap:wrap;}
.price-now{font-size:26px;font-weight:800;color:var(--clay);line-height:1;}
.price-old{font-size:14px;color:var(--t3);text-decoration:line-through;}
.price-unit{font-size:12.5px;color:var(--t3);}

/* ---------- section heading ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px;}
.sec-title{position:relative;padding-left:14px;font-size:clamp(22px,2.4vw,30px);font-weight:700;color:var(--brand-deep);line-height:1.4;}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--clay);border-radius:2px;}
.sec-desc{font-size:14.5px;color:var(--t2);margin-top:8px;padding-left:14px;max-width:620px;}
.sec-more{font-size:14px;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:color .2s ease,gap .2s ease;}
.sec-more:hover{color:var(--clay);gap:10px;}

/* ---------- product grid ---------- */
.p-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
@media (min-width:768px){.p-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}}
@media (min-width:1024px){.p-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}}
.p-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d6cec1;}
.p-media{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--sage);}
.p-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.p-card:hover .p-media img{transform:scale(1.04);}
.p-tag{
  position:absolute;left:12px;top:12px;background:var(--sage);color:var(--brand);
  font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:999px;
}
.p-body{padding:16px;display:flex;flex-direction:column;flex:1;}
.p-name{font-size:16.5px;font-weight:600;line-height:1.55;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.p-sell{font-size:13px;color:var(--t2);margin-top:6px;min-height:20px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.p-params{font-size:12.5px;color:var(--t3);margin-top:8px;}
.p-price{display:flex;align-items:baseline;gap:8px;margin-top:12px;flex-wrap:wrap;}
.p-price .now{font-size:22px;font-weight:800;color:var(--clay);line-height:1;}
.p-price .old{font-size:12.5px;color:var(--t3);text-decoration:line-through;}
.p-price .unit{font-size:12px;color:var(--t3);}
.p-btn{
  margin-top:14px;width:100%;padding:10px 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--brand);font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  transition:all .22s ease;
}
.p-card:hover .p-btn,.p-btn:hover{background:var(--clay);border-color:var(--clay);color:#fff;}
.p-btn:active{transform:scale(.985);}
.p-wide{grid-column:span 2;}
@media (max-width:767px){
  .p-wide{grid-column:span 2;}
  .p-wide .p-media{aspect-ratio:16/11;}
}
@media (min-width:768px){
  .p-wide .p-media{aspect-ratio:16/11;}
  .p-wide .p-name{font-size:19px;}
}

/* ---------- reviews ---------- */
.rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:82%;gap:18px;overflow-x:auto;
  scroll-snap-type:x mandatory;padding-bottom:10px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
@media (min-width:768px){.rail{grid-auto-columns:44%;}}
@media (min-width:1024px){.rail{grid-auto-columns:calc((100% - 36px)/3);}}
.rail-card{
  scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;display:flex;gap:16px;box-shadow:var(--sh-1);
}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--sage);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0;
}
.stars{color:var(--wheat);font-size:12.5px;letter-spacing:2px;}
.rail-quote{font-size:15px;color:var(--t1);line-height:1.85;margin:10px 0 12px;}
.rail-meta{font-size:13px;color:var(--t2);}
.rail-nav{display:flex;align-items:center;gap:10px;margin-top:22px;}
.rail-dots{display:flex;gap:7px;margin-right:auto;}
.rail-dots span{width:7px;height:7px;border-radius:50%;background:var(--line);transition:background .2s ease,width .2s ease;}
.rail-dots span.on{background:var(--clay);width:20px;border-radius:4px;}
.rail-arrow{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--t2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;
}
.rail-arrow:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- assurance ---------- */
.assure{background:var(--ink);color:#fff;}
.assure-grid{display:grid;grid-template-columns:1fr;gap:26px;padding:52px 0;}
@media (min-width:640px){.assure-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.assure-grid{grid-template-columns:repeat(4,1fr);gap:0;}}
.assure-item{display:flex;gap:14px;align-items:flex-start;}
@media (min-width:1024px){.assure-item{padding:0 26px;border-left:1px solid rgba(255,255,255,.12);}.assure-item:first-child{border-left:0;padding-left:0;}}
.assure-ico{
  width:42px;height:42px;border-radius:11px;background:rgba(217,119,66,.18);color:var(--clay);
  display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;
}
.assure-item h3{font-size:16px;font-weight:600;color:#fff;line-height:1.5;}
.assure-item p{font-size:13px;color:rgba(255,255,255,.7);margin-top:5px;line-height:1.7;}

/* ---------- CTA banner ---------- */
.cta-band{
  border-radius:18px;overflow:hidden;position:relative;
  background:linear-gradient(115deg,#0E3B2E 0%,#14382D 55%,#0A2C22 100%);
  color:#fff;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr;gap:32px;padding:40px 28px;align-items:center;}
@media (min-width:900px){.cta-inner{grid-template-columns:1fr 300px;padding:52px 48px;gap:48px;}}
.cta-inner h2{font-size:clamp(21px,2.3vw,28px);font-weight:700;line-height:1.45;color:#fff;}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.76);margin-top:12px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{background:var(--sage);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(0,0,0,.6);}
.btn-line{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:#fff;}
.btn-line:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.cta-figure{border-radius:16px;overflow:hidden;aspect-ratio:1/1;border:1px solid rgba(255,255,255,.12);}
.cta-figure img{width:100%;height:100%;object-fit:cover;}

/* ---------- news (CMS) ---------- */
.n-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:768px){.n-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.n-grid{grid-template-columns:repeat(3,1fr);}}
.n-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.n-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d6cec1;}
.n-media{aspect-ratio:16/9;overflow:hidden;background:var(--sage);}
.n-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.n-card:hover .n-media img{transform:scale(1.04);}
.n-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.n-chip{
  align-self:flex-start;background:var(--sage);color:var(--brand);font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:999px;margin-bottom:12px;
}
.n-title{font-size:17px;font-weight:600;line-height:1.6;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;}
.n-card:hover .n-title{color:var(--clay);}
.n-sum{font-size:13.5px;color:var(--t2);margin-top:10px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.n-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t3);}
.n-foot i{color:var(--clay);transition:transform .2s ease;}
.n-card:hover .n-foot i{transform:translateX(4px);}
.n-empty{
  min-height:220px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:30px;
}
.n-empty i{font-size:26px;color:var(--t3);}
.n-empty p{font-size:14.5px;color:var(--t2);}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:6px 26px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;padding:22px 0;font-size:17px;font-weight:600;color:var(--t1);
  text-align:left;cursor:pointer;transition:color .2s ease;
}
.faq-q:hover{color:var(--clay);}
.faq-ico{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);color:var(--clay);display:inline-flex;align-items:center;justify-content:center;font-size:13px;transition:transform .24s ease,background .24s ease,color .24s ease;}
.faq-item.open .faq-q{color:var(--brand);}
.faq-item.open .faq-ico{transform:rotate(45deg);background:var(--clay);color:#fff;border-color:var(--clay);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 44px 22px 0;font-size:15px;color:var(--t2);line-height:1.9;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1fr;gap:38px;padding:64px 0 46px;}
@media (min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr;}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:44px;}}
.foot-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-logo .logo-mark{background:rgba(255,255,255,.1);}
.foot-brand-text{font-size:17px;font-weight:800;color:#fff;}
.foot-about{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.66);max-width:320px;}
.foot-social{display:flex;gap:10px;margin-top:20px;}
.foot-social a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);
  transition:all .2s ease;
}
.foot-social a:hover{background:var(--clay);border-color:var(--clay);color:#fff;}
.foot-h{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.foot-list li{margin-bottom:11px;}
.foot-list a{font-size:13.5px;color:rgba(255,255,255,.68);transition:color .2s ease,padding-left .2s ease;}
.foot-list a:hover{color:var(--clay);padding-left:2px;}
.foot-form{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}
.foot-form input{
  flex:1;min-width:170px;height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.foot-form input::placeholder{color:rgba(255,255,255,.42);}
.foot-form input:focus{outline:none;border-color:var(--clay);box-shadow:0 0 0 3px rgba(217,119,66,.22);}
.foot-msg{font-size:12.5px;color:var(--wheat);margin-top:10px;min-height:18px;}
.foot-bar{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.foot-bar a:hover{color:var(--clay);}
.to-top{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.7);font-size:12.5px;
  transition:all .2s ease;background:transparent;cursor:pointer;
}
.to-top:hover{border-color:var(--clay);color:#fff;background:rgba(217,119,66,.18);}

/* roulang page: article */
:root{
  --brand:#0E3B2E;
  --brand-deep:#0A2C22;
  --brand-soft:#14382D;
  --sage:#E7EFEB;
  --clay:#D97742;
  --clay-deep:#C1652F;
  --wheat:#E3B85C;
  --sand:#F7F4EF;
  --ink:#10231D;
  --line:#E3DDD3;
  --t1:#1A1F1D;
  --t2:#5B6660;
  --t3:#8A938D;
  --ok:#2E7D5B;
  --warn:#B4552B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,35,29,.06);
  --sh-2:0 10px 28px -12px rgba(16,35,29,.22);
  --maxw:1240px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:130px;}
html body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--t1);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
@media (min-width:1280px){ .wrap{padding:0 24px;} }
.mesh{
  background-image:linear-gradient(rgba(14,59,46,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(14,59,46,.05) 1px,transparent 1px);
  background-size:28px 28px;
}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--clay);
  outline-offset:2px;
  border-radius:6px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  font-weight:600;line-height:1.2;cursor:pointer;
  transition:background-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--clay);color:#fff;padding:12px 24px;}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:none;box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:transparent;padding:10px 22px;}
.btn-outline:hover{background:var(--sage);}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand);padding:10px 18px;}
.btn-ghost:hover{background:var(--clay);border-color:var(--clay);color:#fff;}
.btn-sm{padding:8px 16px;font-size:13.5px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.6;cursor:not-allowed;}

.chip{
  display:inline-block;font-size:12px;line-height:1.6;
  padding:4px 10px;border:1px solid var(--line);border-radius:999px;
  color:var(--t2);transition:border-color .2s ease,color .2s ease;
}
.chip:hover{border-color:var(--clay);color:var(--clay-deep);}
.chip-sage{display:inline-block;font-size:12px;line-height:1.7;background:var(--sage);color:var(--brand);padding:3px 9px;border-radius:999px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2);}
.head-top{display:flex;align-items:center;gap:22px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  position:relative;width:34px;height:34px;border-radius:9px;
  background:var(--brand);flex:none;display:inline-block;
}
.logo-mark::after{
  content:"";position:absolute;inset:9px;border:2px solid var(--clay);border-radius:3px;
}
.logo-text{display:block;font-weight:800;font-size:18px;line-height:1.15;color:var(--brand);letter-spacing:-.01em;}
.logo-sub{display:block;font-size:11.5px;color:var(--t3);letter-spacing:.04em;}

.search-box{position:relative;flex:1;max-width:420px;}
.search-box input{
  width:100%;height:38px;border-radius:999px;border:1px solid var(--line);
  background:var(--sand);padding:0 40px 0 16px;font-size:14px;outline:none;
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:var(--t3);}
.search-box input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 2px rgba(14,59,46,.14);}
.search-box i{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--t3);font-size:13px;}

.head-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.hot-chips{display:flex;gap:8px;}
.hot-toggle{
  display:none;font-size:12.5px;color:var(--t2);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:6px 12px;cursor:pointer;
}
.hot-toggle:hover{border-color:var(--clay);color:var(--clay-deep);}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--brand);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.icon-btn:hover{background:var(--sage);border-color:var(--brand);}
.burger{display:none;}

.head-nav{
  display:flex;align-items:center;gap:26px;height:44px;
  border-top:1px solid var(--line);font-size:14.5px;overflow-x:auto;
  scrollbar-width:none;
}
.head-nav::-webkit-scrollbar{display:none;}
.nav-link{position:relative;color:var(--t2);padding:12px 0;white-space:nowrap;transition:color .2s ease;}
.nav-link:hover{color:var(--brand);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--clay);border-radius:2px;
}
.nav-tail{
  margin-left:auto;font-size:12.5px;color:var(--t3);white-space:nowrap;
  display:flex;align-items:center;gap:6px;
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(16,35,29,.5);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:80;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:#fff;
  transform:translateX(100%);transition:transform .3s ease;z-index:90;padding:24px 22px;overflow-y:auto;
}
.drawer.open{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-title{font-weight:800;color:var(--brand);font-size:16px;}
.drawer-close{background:transparent;border:0;font-size:20px;color:var(--t2);cursor:pointer;}
.drawer-nav a{display:block;padding:13px 0;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--t1);}
.drawer-nav a.active{color:var(--clay-deep);font-weight:700;}
.drawer-sub{margin:24px 0 10px;font-size:12.5px;letter-spacing:.08em;color:var(--t3);}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;}

/* ---------- 文章头部 ---------- */
.article-hero{background-color:var(--sand);border-bottom:1px solid var(--line);padding:26px 0 34px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);}
.crumb a:hover{color:var(--clay-deep);}
.crumb .cur{color:var(--brand);font-weight:600;}
.article-head{padding-top:22px;}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--clay-deep);}
.kicker::before{content:"";width:3px;height:14px;background:var(--clay);border-radius:2px;}
.article-title{
  font-size:clamp(26px,3.1vw,34px);font-weight:800;line-height:1.4;
  letter-spacing:-.01em;margin:14px 0 16px;color:var(--t1);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--t2);}
.meta-row .sep{color:var(--line);}
.meta-tag{background:var(--sage);color:var(--brand);border-radius:999px;padding:2px 10px;font-size:12.5px;}

/* ---------- 文章布局 ---------- */
.article-section{padding:48px 0 0;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 260px;gap:48px;
  justify-content:center;align-items:start;
}
.article-main{width:100%;min-width:0;}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:44px 48px;box-shadow:var(--sh-1);
}
.article-body{font-size:17px;line-height:1.9;color:var(--t1);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  position:relative;font-size:26px;font-weight:700;line-height:1.45;
  margin:48px 0 16px;padding-left:14px;color:var(--brand-deep);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;
  background:var(--clay);border-radius:2px;
}
.article-body h3{font-size:19px;font-weight:600;margin:32px 0 12px;color:var(--brand-deep);}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:0;list-style:none;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;
  background:var(--clay);border-radius:1px;
}
.article-body ol{counter-reset:lit;}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:8px;counter-increment:lit;}
.article-body ol li::before{
  content:counter(lit) ".";position:absolute;left:0;top:0;
  color:var(--clay-deep);font-weight:700;font-size:15px;
}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;background:var(--sand);
  border-left:3px solid var(--clay);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--t2);
}
.article-body img{border-radius:var(--r-img);margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:8px;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(14,59,46,.3);transition:color .2s ease,border-color .2s ease;}
.article-body a:hover{color:var(--clay-deep);border-color:var(--clay);}
.article-body strong{font-weight:700;color:var(--brand-deep);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.article-body code{background:var(--sand);padding:2px 6px;border-radius:6px;font-size:.92em;color:var(--clay-deep);}
.article-body .table-scroll,.article-body table{max-width:100%;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;border:1px solid var(--line);}
.article-body th{background:var(--sand);font-weight:600;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;line-height:1.7;}
.article-body tbody tr:nth-child(even){background:#FBFAF7;}

/* ---------- 空态 ---------- */
.empty-state{padding:64px 20px;text-align:center;}
.empty-state i{font-size:34px;color:var(--t3);}
.empty-state h2{font-size:21px;font-weight:700;color:var(--brand-deep);margin:16px 0 8px;}
.empty-state p{color:var(--t2);margin:0 auto 22px;max-width:420px;font-size:15.5px;}

/* ---------- 文末 ---------- */
.article-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin:22px 0 8px;flex-wrap:wrap;
}
.back-link{font-size:14px;color:var(--t2);display:inline-flex;align-items:center;gap:8px;transition:color .2s ease;}
.back-link:hover{color:var(--clay-deep);}
.article-foot .share-hint{font-size:13px;color:var(--t3);display:flex;align-items:center;gap:8px;}
.article-foot .share-hint i{color:var(--clay);}

.block-title{
  position:relative;font-size:22px;font-weight:700;color:var(--brand-deep);
  margin:52px 0 20px;padding-left:14px;
}
.block-title::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:3px;background:var(--clay);border-radius:2px;
}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8D0C4;}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.rel-body{padding:16px 18px 20px;}
.rel-title{
  font-size:16.5px;font-weight:600;line-height:1.55;margin:10px 0 8px;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.rel-card:hover .rel-title{color:var(--clay-deep);}
.rel-desc{
  font-size:13.5px;color:var(--t2);line-height:1.75;margin:0 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t3);}
.rel-meta i{color:var(--clay);}

.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;}
.pn-item{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-img);padding:16px 18px;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pn-item:hover{border-color:var(--clay);transform:translateY(-2px);box-shadow:var(--sh-2);}
.pn-item i{color:var(--t3);font-size:14px;transition:color .2s ease;}
.pn-item:hover i{color:var(--clay);}
.pn-label{font-size:12.5px;color:var(--t3);display:block;}
.pn-text{font-size:15px;font-weight:600;color:var(--brand-deep);display:block;}
.pn-item.next{text-align:right;justify-content:flex-end;}

/* ---------- 侧栏 ---------- */
.article-aside{position:relative;}
.toc-card{
  position:sticky;top:130px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px 18px;box-shadow:var(--sh-1);
}
.toc-title{font-size:12.5px;letter-spacing:.1em;color:var(--t3);margin-bottom:12px;font-weight:600;}
.toc-link{
  display:block;font-size:14px;line-height:1.6;color:var(--t2);
  padding:7px 0 7px 12px;border-left:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.toc-link:hover{color:var(--brand);}
.toc-link.active{color:var(--clay-deep);border-left-color:var(--clay);font-weight:600;}
.aside-cta{
  position:sticky;top:130px;margin-top:20px;border-radius:var(--r-card);
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-soft) 100%);
  color:#fff;padding:22px 20px;
}
.aside-cta h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.aside-cta p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.75);margin-bottom:16px;}
.aside-list{list-style:none;margin:0 0 18px;padding:0;}
.aside-list li{font-size:13.5px;color:rgba(255,255,255,.85);display:flex;gap:8px;align-items:flex-start;margin-bottom:8px;}
.aside-list i{color:var(--wheat);font-size:12px;margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;margin-top:80px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 40px;}
.foot-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand-text{font-weight:800;font-size:18px;letter-spacing:-.01em;}
.foot-about{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px;}
.foot-social{display:flex;gap:10px;margin-top:18px;}
.foot-social a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.foot-social a:hover{background:var(--clay);border-color:var(--clay);color:#fff;}
.foot-h{font-size:15px;font-weight:700;margin:0 0 16px;}
.foot-list{list-style:none;margin:0;padding:0;}
.foot-list li{margin-bottom:10px;}
.foot-list a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .2s ease,transform .2s ease;}
.foot-list a:hover{color:var(--clay);transform:translateX(2px);}
.foot-form{display:flex;gap:10px;margin-top:14px;}
.foot-form input{
  flex:1;min-width:0;height:44px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;padding:0 14px;font-size:14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.foot-form input::placeholder{color:rgba(255,255,255,.45);}
.foot-form input:focus{border-color:var(--clay);box-shadow:0 0 0 2px rgba(217,119,66,.28);}
.foot-msg{font-size:13px;color:var(--wheat);margin:10px 0 0;min-height:18px;}
.foot-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  background:transparent;border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.8);
  border-radius:var(--r-btn);padding:8px 14px;font-size:13px;cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.to-top:hover{background:var(--clay);border-color:var(--clay);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-aside{display:none;}
  .article-main{max-width:820px;margin:0 auto;}
}
@media (max-width:1023px){
  .hot-chips{display:none;}
  .hot-toggle{display:inline-flex;align-items:center;gap:6px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .prev-next{grid-template-columns:1fr;}
  .pn-item.next{justify-content:flex-start;text-align:left;}
}
@media (max-width:899px){
  .search-box{display:none;}
  .burger{display:inline-flex;}
  .head-top{gap:14px;}
  .article-card{padding:32px 26px;}
}
@media (max-width:767px){
  .head-nav{height:42px;gap:20px;font-size:14px;}
  .nav-tail{display:none;}
  .article-hero{padding:18px 0 26px;}
  .article-section{padding:32px 0 0;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:22px;margin:36px 0 14px;}
  .article-body h3{font-size:17.5px;margin:26px 0 10px;}
  .block-title{font-size:20px;margin:40px 0 18px;}
  .site-footer{margin-top:56px;}
}
@media (max-width:639px){
  .head-right .btn-outline{display:none;}
  .article-card{padding:24px 18px;border-radius:12px;}
  .article-title{font-size:24px;}
  .rel-grid{grid-template-columns:1fr;gap:18px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-form{flex-wrap:wrap;}
  .foot-form input{min-width:100%;}
  .foot-form .btn{width:100%;}
  .meta-row{font-size:13px;gap:8px;}
}

/* roulang page: category1 */
:root{
  --brand:#0E3B2E;
  --brand-deep:#0A2C22;
  --sage:#E7EFEB;
  --clay:#D97742;
  --clay-deep:#C1652F;
  --wheat:#E3B85C;
  --sand:#F7F4EF;
  --ink:#10231D;
  --line:#E3DDD3;
  --text:#1A1F1D;
  --muted:#5B6660;
  --faint:#8A938D;
  --ok:#2E7D5B;
  --warn:#B4552B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,35,29,.06);
  --sh-2:0 10px 28px -12px rgba(16,35,29,.22);
}
.site-body{
  margin:0;padding:0;background:var(--sand);color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased;
}
.site-body *,.site-body *::before,.site-body *::after{box-sizing:border-box}
.site-body img{max-width:100%;display:block;height:auto}
.site-body a{color:inherit;text-decoration:none}
.site-body button,.site-body input,.site-body select{font-family:inherit;font-size:inherit}
.site-body ul,.site-body ol{margin:0;padding:0;list-style:none}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p{margin:0}
.site-body :focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;z-index:200;border-radius:0 0 10px 0}
.skip-link:focus{left:0}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px;width:100%}
@media (min-width:1280px){.wrap{padding:0 24px}}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:90;background:#FFFFFF;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 8px 24px -16px rgba(16,35,29,.35)}
.head-top{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:38px;height:38px;border-radius:11px;background:var(--brand);position:relative;flex:none;display:inline-block}
.logo-mark::before{content:"";position:absolute;left:50%;top:50%;width:20px;height:20px;margin:-10px 0 0 -10px;border:2px solid var(--clay);border-radius:50%;border-right-color:transparent;border-top-color:transparent;transform:rotate(45deg)}
.logo-mark::after{content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;margin:-3px 0 0 -3px;background:var(--wheat);border-radius:2px}
.logo-text{display:block;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--brand-deep);line-height:1.25}
.logo-sub{display:block;font-size:11.5px;color:var(--faint);letter-spacing:.06em;line-height:1.4}
.search-box{position:relative;flex:1;max-width:420px}
.search-box input{width:100%;height:40px;border:1px solid var(--line);border-radius:999px;padding:0 42px 0 18px;background:#fff;font-size:14px;color:var(--text);transition:border-color .2s,box-shadow .2s}
.search-box input::placeholder{color:var(--faint)}
.search-box input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,59,46,.12);outline:none}
.search-box i{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--faint);font-size:14px;pointer-events:none}
.head-right{position:relative;margin-left:auto;display:flex;align-items:center;gap:12px}
.hot-chips{display:flex;gap:8px}
.chip{font-size:12px;line-height:1.6;padding:5px 11px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:#fff;transition:border-color .2s,color .2s,transform .2s}
.chip:hover{border-color:var(--clay);color:var(--clay-deep)}
.hot-chips.float-open{display:flex;flex-direction:column;position:absolute;top:48px;right:0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:var(--sh-2);z-index:95;min-width:170px}
.hot-toggle{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px;transition:.2s}
.hot-toggle:hover{border-color:var(--clay);color:var(--clay-deep)}
.head-nav{display:flex;align-items:center;gap:26px;height:44px;border-top:1px solid var(--line);overflow:hidden}
.nav-link{position:relative;font-size:14.5px;font-weight:500;color:var(--muted);padding:10px 0;transition:color .2s;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-link:hover{color:var(--brand)}
.nav-link.active{color:var(--brand-deep);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-tail{margin-left:auto;font-size:12.5px;color:var(--faint);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.nav-tail i{color:var(--clay)}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand);display:grid;place-items:center;transition:.2s}
.icon-btn:hover{background:var(--sage);border-color:var(--brand)}
.burger{display:none}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);border:1px solid transparent;font-weight:600;font-size:15px;padding:12px 24px;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease}
.btn-sm{padding:8px 16px;font-size:13.5px}
.btn-primary{background:var(--clay);color:#fff}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(16,35,29,.6)}
.btn-primary:active{transform:none;box-shadow:inset 0 2px 6px rgba(0,0,0,.2)}
.btn-primary[disabled],.btn-primary.is-disabled{opacity:.6;filter:saturate(.6);pointer-events:none}
.btn-outline{background:transparent;border:1.5px solid var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--sage);transform:translateY(-1px)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand)}
.btn-ghost:hover{background:var(--clay);border-color:var(--clay);color:#fff}

/* ============ 矮版 Hero ============ */
.category-hero{background-color:#fff;background-image:linear-gradient(rgba(14,59,46,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(14,59,46,.05) 1px,transparent 1px);background-size:28px 28px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;padding:38px 0;min-height:320px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--clay-deep);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px}
.eyebrow::before{content:"";width:14px;height:3px;border-radius:2px;background:var(--clay)}
.hero-title{font-size:clamp(28px,3.4vw,42px);font-weight:800;line-height:1.28;letter-spacing:-.01em;color:var(--brand-deep);margin:16px 0 14px}
.hero-sub{font-size:16.5px;color:var(--muted);max-width:620px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:5px 10px;margin-top:20px;font-size:13.5px;color:var(--faint)}
.hero-facts span{display:inline-flex;align-items:center;gap:10px}
.hero-facts span + span::before{content:"·";color:var(--line);font-weight:700}
.hero-media{position:relative}
.hero-media img{width:100%;height:262px;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-1);border:1px solid var(--line)}
.hero-badge{position:absolute;left:16px;bottom:16px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--clay);border-radius:10px;padding:10px 16px;box-shadow:var(--sh-2)}
.hero-badge b{display:block;font-size:15px;color:var(--brand-deep);line-height:1.5}
.hero-badge small{font-size:12.5px;color:var(--muted)}

/* ============ 筛选条 ============ */
.filter-bar{background:#fff;border-bottom:1px solid var(--line)}
.filter-inner{display:flex;align-items:center;gap:18px;padding:13px 0;flex-wrap:wrap}
.filter-chips{display:flex;gap:8px;overflow-x:auto;flex:1;min-width:0;scrollbar-width:none;padding:2px}
.filter-chips::-webkit-scrollbar{display:none}
.f-chip{white-space:nowrap;font-size:13.5px;padding:7px 15px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);transition:.2s}
.f-chip:hover{border-color:var(--clay);color:var(--clay-deep)}
.f-chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.filter-right{display:flex;align-items:center;gap:14px}
.sort-select{height:38px;border:1px solid var(--line);border-radius:10px;padding:0 14px;font-size:13.5px;color:var(--muted);background:#fff;transition:.2s}
.sort-select:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(14,59,46,.12)}
.result-count{font-size:13.5px;color:var(--faint);white-space:nowrap}

/* ============ 通用板块 ============ */
.section{padding:76px 0}
.section-tight{padding-top:56px}
.section-head{max-width:780px;margin-bottom:36px}
.label-bar{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--clay-deep);margin-bottom:12px}
.label-bar::before{content:"";width:16px;height:3px;border-radius:2px;background:var(--clay)}
.h2{font-size:clamp(22px,2.3vw,30px);font-weight:700;line-height:1.4;letter-spacing:-.01em;color:var(--ink)}
.section-sub{margin-top:12px;font-size:15.5px;color:var(--muted)}

/* ============ 商品网格 ============ */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D7CFC2}
.p-media{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--sage)}
.p-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.product-card:hover .p-media img{transform:scale(1.04)}
.p-tag{position:absolute;left:12px;top:12px;background:rgba(231,239,235,.94);color:var(--brand);font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px}
.p-body{display:flex;flex-direction:column;gap:8px;padding:16px;flex:1}
.p-title{font-size:17px;font-weight:700;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.p-desc{font-size:13px;color:var(--muted);line-height:1.75}
.p-meta{font-size:12.5px;color:var(--faint)}
.p-price{margin-top:auto;display:flex;align-items:baseline;gap:8px;font-variant-numeric:tabular-nums;padding-top:6px}
.p-price strong{font-size:22px;font-weight:800;color:var(--clay-deep);letter-spacing:-.02em}
.p-price span{font-size:12.5px;color:var(--faint)}
.p-body .btn{width:100%;margin-top:10px}
.product-card.is-cta{background:var(--brand);border-color:var(--brand);color:#fff;justify-content:center;padding:26px;gap:12px}
.product-card.is-cta:hover{box-shadow:0 16px 32px -16px rgba(16,35,29,.6);border-color:var(--brand)}
.cta-card-title{font-size:19px;font-weight:800;line-height:1.5;color:#fff}
.cta-card-text{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.76)}
.product-card.is-cta .btn{align-self:flex-start}

/* ============ 图文交替 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split + .split{margin-top:64px}
.split.reverse .split-media{order:2}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh-1)}
.split h3{font-size:22px;font-weight:700;color:var(--ink);line-height:1.5}
.split p{margin-top:14px;color:var(--muted);font-size:15.5px}
.check-list{display:grid;gap:12px;margin-top:20px}
.check-list li{display:flex;gap:11px;font-size:14.5px;color:var(--muted);line-height:1.75}
.check-list i{color:var(--ok);margin-top:7px;font-size:12px}
.stat-row{display:flex;gap:36px;margin-top:26px;flex-wrap:wrap}
.stat-row div b{display:block;font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-row div span{font-size:13px;color:var(--faint)}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-num{width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums}
.step h3{margin-top:16px;font-size:17px;font-weight:700;color:var(--ink)}
.step p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8}
.step:not(:last-child)::after{content:"";position:absolute;left:calc(100% + 2px);top:42px;width:20px;border-top:1px dashed rgba(14,59,46,.3)}

/* ============ 保障条 ============ */
.assure{background:var(--ink);color:#fff}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.assure-item{padding:30px 26px;border-left:1px solid rgba(255,255,255,.12)}
.assure-item:first-child{border-left:0}
.assure-item i{font-size:22px;color:var(--wheat)}
.assure-item h3{margin-top:14px;font-size:16px;font-weight:700;color:#fff}
.assure-item p{margin-top:8px;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.72)}

/* ============ FAQ ============ */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;background:transparent;border:0;padding:20px 24px;font-size:17px;font-weight:600;color:var(--text);transition:color .2s}
.faq-q:hover{color:var(--brand)}
.faq-q i{color:var(--clay);transition:transform .24s ease;font-size:15px}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-item.open .faq-a{max-height:320px}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ============ CTA 横幅 ============ */
.cta-banner{position:relative;overflow:hidden;display:grid;grid-template-columns:1.15fr .85fr;background:linear-gradient(135deg,var(--brand),#14382D);border-radius:20px;color:#fff;background-image:linear-gradient(135deg,var(--brand),#14382D),linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:auto,28px 28px,28px 28px}
.cta-copy{padding:48px 44px;display:flex;flex-direction:column;justify-content:center}
.cta-copy h2{font-size:clamp(21px,2.1vw,28px);font-weight:800;line-height:1.45;color:#fff}
.cta-copy p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.76);max-width:520px}
.cta-copy .hero-actions{margin-top:26px}
.cta-banner .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.cta-banner .btn-outline:hover{background:rgba(255,255,255,.12)}
.cta-media img{width:100%;height:100%;min-height:280px;object-fit:cover}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding-top:64px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px}
.foot-logo{display:flex;align-items:center;gap:10px}
.foot-brand-text{font-size:18px;font-weight:800;color:#fff;letter-spacing:-.01em}
.foot-about{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px}
.foot-social{display:flex;gap:10px;margin-top:20px}
.foot-social a{width:36px;height:36px;border:1px solid rgba(255,255,255,.16);border-radius:10px;display:grid;place-items:center;color:rgba(255,255,255,.8);transition:.2s}
.foot-social a:hover{background:var(--clay);border-color:var(--clay);color:#fff;transform:translateY(-2px)}
.foot-h{margin:0 0 16px;font-size:15px;font-weight:700;color:#fff}
.foot-list{display:grid;gap:11px}
.foot-list a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .2s,transform .2s}
.foot-list a:hover{color:var(--clay);transform:translateX(2px)}
.foot-form{display:flex;gap:8px;margin-top:14px}
.foot-form input{flex:1;min-width:0;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:.2s}
.foot-form input::placeholder{color:rgba(255,255,255,.45)}
.foot-form input:focus{outline:none;border-color:var(--wheat);box-shadow:0 0 0 3px rgba(227,184,92,.18)}
.foot-form .btn{height:44px;padding:0 20px}
.foot-msg{margin-top:8px;font-size:13px;color:var(--wheat);min-height:18px}
.foot-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:52px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55)}
.to-top{display:inline-flex;align-items:center;gap:8px;background:transparent;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:8px 16px;font-size:13px;color:rgba(255,255,255,.82);transition:.2s}
.to-top:hover{background:var(--clay);border-color:var(--clay);color:#fff}

/* ============ 移动端抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(16,35,29,.46);z-index:110;opacity:0;pointer-events:none;transition:opacity .26s ease}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:86%;max-width:340px;background:#fff;z-index:120;padding:20px;overflow-y:auto;transform:translateX(101%);transition:transform .28s ease;box-shadow:-14px 0 34px -20px rgba(16,35,29,.5)}
.drawer.open{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-nav{display:grid;gap:2px;margin:18px 0}
.drawer-nav a{padding:12px 10px;border-radius:10px;font-size:15px;font-weight:600;color:var(--muted);transition:.2s}
.drawer-nav a:hover{background:var(--sage);color:var(--brand)}
.drawer-nav a.is-active{background:var(--sage);color:var(--brand-deep)}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.drawer .btn{width:100%}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .product-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:1023px){
  .head-nav{display:none}
  .search-box{display:none}
  .hot-chips{display:none !important}
  .hot-toggle{display:none !important}
  .burger{display:grid}
  .hero-grid{grid-template-columns:1fr;gap:26px;padding:32px 0;min-height:0}
  .hero-media img{height:220px}
  .product-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:not(:last-child)::after{display:none}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .assure-item:nth-child(odd){border-left:0}
  .assure-item:nth-child(n+3){border-top:1px solid rgba(255,255,255,.12)}
  .cta-banner{grid-template-columns:1fr}
  .cta-media img{min-height:220px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  .product-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .split{grid-template-columns:1fr;gap:24px}
  .split.reverse .split-media{order:0}
  .split + .split{margin-top:40px}
  .steps{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head{margin-bottom:26px}
  .cta-copy{padding:32px 24px}
  .faq-q{padding:16px 18px;font-size:15.5px}
  .faq-a p{padding:0 18px 18px}
}
@media (max-width:560px){
  .head-top{gap:12px}
  .logo-text{font-size:17px}
  .logo-sub{display:none}
  .p-body{padding:12px}
  .p-title{font-size:15px}
  .p-price strong{font-size:19px}
  .hero-facts{font-size:12.5px}
  .cta-copy h2{font-size:20px}
  .foot-grid{grid-template-columns:1fr}
  .assure-grid{grid-template-columns:1fr}
  .assure-item{border-left:0;border-top:1px solid rgba(255,255,255,.12)}
  .assure-item:first-child{border-top:0}
  .stat-row{gap:24px}
}

/* roulang page: category2 */
:root{
  --brand:#0E3B2E; --brand-deep:#0A2C22; --sage:#E7EFEB;
  --clay:#D97742; --clay-deep:#C1652F; --wheat:#E3B85C;
  --sand:#F7F4EF; --ink:#10231D; --line:#E3DDD3;
  --t1:#1A1F1D; --t2:#5B6660; --t3:#8A938D;
  --ok:#2E7D5B; --warn:#B4552B;
  --r-card:14px; --r-img:12px; --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,35,29,.06);
  --sh-2:0 10px 28px -12px rgba(16,35,29,.22);
  --wrap:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--sand);
  color:var(--t1);
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media (min-width:1280px){.wrap{padding:0 24px}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.head-top{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  position:relative;width:38px;height:38px;border-radius:11px;
  background:var(--brand);flex:0 0 auto;display:inline-block;
}
.logo-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:16px;height:16px;
  margin:-8px 0 0 -8px;border:2.5px solid var(--clay);border-radius:50%;
}
.logo-mark::before{
  content:"";position:absolute;left:50%;top:50%;width:5px;height:5px;
  margin:-2.5px 0 0 -2.5px;background:var(--clay);border-radius:50%;
}
.logo-text{display:block;font-weight:800;font-size:17px;line-height:1.25;color:var(--brand-deep);letter-spacing:-.01em}
.logo-sub{display:block;font-size:11.5px;line-height:1.35;color:var(--t3);letter-spacing:.02em}

.search-box{position:relative;flex:1 1 auto;max-width:420px;margin:0 auto}
.search-box input{
  width:100%;height:40px;border:1px solid var(--line);border-radius:999px;
  background:var(--sand);color:var(--t1);font-size:14px;padding:0 42px 0 18px;
  outline:none;transition:border-color .2s,box-shadow .2s,background .2s;
}
.search-box input::placeholder{color:var(--t3)}
.search-box input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(14,59,46,.12)}
.search-box i{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--t3);font-size:14px;pointer-events:none}

.head-right{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.hot-chips{display:flex;gap:8px}
.chip{
  font-size:12px;padding:5px 12px;border:1px solid var(--line);border-radius:999px;
  color:var(--t2);white-space:nowrap;transition:border-color .2s,color .2s,background .2s;
}
.chip:hover{border-color:var(--clay);color:var(--clay-deep);background:#fff}
.hot-toggle{
  display:none;align-items:center;gap:6px;font-size:12.5px;color:var(--t2);
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;
}
.hot-toggle:hover{border-color:var(--clay);color:var(--clay-deep)}
.site-header.is-stuck .hot-chips{display:none}
.site-header.is-stuck .hot-toggle{display:inline-flex}
.site-header.chips-open .hot-chips{
  display:flex;position:absolute;top:62px;right:20px;background:#fff;
  padding:10px;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-2);z-index:90;
}

.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--brand);display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s,background .2s,color .2s;
}
.icon-btn:hover{border-color:var(--brand);background:var(--sage)}
.burger{display:none}

.head-nav{display:flex;align-items:center;gap:26px;height:44px;border-top:1px solid var(--line)}
.nav-link{
  position:relative;display:flex;align-items:center;height:44px;
  font-size:15px;color:var(--t2);transition:color .2s;
}
.nav-link:hover{color:var(--brand)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--clay);border-radius:2px;
}
.nav-tail{margin-left:auto;display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--t3)}
.nav-tail i{color:var(--clay)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:14.5px;line-height:1.3;
  padding:12px 24px;border:1.5px solid transparent;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--clay);color:#fff;border-color:var(--clay)}
.btn-primary:hover{background:var(--clay-deep);border-color:var(--clay-deep);transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(193,101,47,.75)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--sage)}
.btn-light{background:#fff;color:var(--brand);border-color:#fff}
.btn-light:hover{background:var(--sage);border-color:var(--sage);transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-ghost:hover{background:var(--clay);border-color:var(--clay);color:#fff}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:9px}
.btn-lg{padding:14px 28px;font-size:16px}
.btn:disabled{opacity:.6;filter:saturate(.6);cursor:not-allowed}
.btn:focus-visible,.chip:focus-visible,.nav-link:focus-visible,.hot-toggle:focus-visible,
.icon-btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--clay);outline-offset:2px;
}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  padding:64px 0 68px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;opacity:.26;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:28px 28px;
}
.hero-inner{position:relative;z-index:2;max-width:900px;margin:0 auto;text-align:center}
.breadcrumb{
  display:flex;justify-content:center;gap:8px;font-size:13px;color:rgba(255,255,255,.58);
  margin-bottom:22px;
}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb .cur{color:#fff;font-weight:600}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  padding:6px 15px;border-radius:999px;color:#F3E2D6;
  border:1px solid rgba(217,119,66,.5);background:rgba(217,119,66,.16);
}
.hero-title{
  margin:20px 0 0;color:#fff;font-weight:800;letter-spacing:-.01em;
  font-size:clamp(28px,3.6vw,46px);line-height:1.26;
}
.hero-sub{
  margin:18px auto 0;max-width:680px;font-size:16.5px;line-height:1.9;
  color:rgba(255,255,255,.78);
}
.hero-actions{margin-top:30px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.58)}
.hero-note span{margin:0 8px}
.hero-stats{
  position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;margin-top:46px;border-radius:14px;overflow:hidden;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);
}
.hero-stat{background:rgba(255,255,255,.05);padding:20px 14px;text-align:center}
.hero-stat b{
  display:block;font-size:26px;font-weight:800;color:#fff;line-height:1.3;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.hero-stat span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.65)}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-white{background:#fff}
.sec-head{max-width:740px;margin:0 auto 46px;text-align:center}
.sec-label{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;
  font-weight:700;color:var(--clay-deep);letter-spacing:.04em;
}
.sec-label::before{content:"";width:3px;height:14px;background:var(--clay);border-radius:2px}
.sec-title{margin:12px 0 0;font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:-.01em;line-height:1.4}
.sec-sub{margin:12px 0 0;font-size:15.5px;line-height:1.9;color:var(--t2)}

/* ============ 方案卡 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan-card{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px 28px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6CFC2}
.plan-card.featured{border-top:4px solid var(--brand);margin-top:-8px;box-shadow:var(--sh-2)}
.plan-badge{
  position:absolute;top:-13px;right:24px;background:var(--clay);color:#fff;
  font-size:12px;font-weight:700;padding:4px 13px;border-radius:999px;letter-spacing:.02em;
}
.plan-icon{
  width:44px;height:44px;border-radius:12px;background:var(--sage);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:19px;
}
.plan-name{margin:16px 0 0;font-size:20px;font-weight:700;letter-spacing:-.01em}
.plan-for{margin:8px 0 0;font-size:14px;line-height:1.75;color:var(--t2);min-height:50px}
.plan-price{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}
.plan-price b{
  font-size:24px;font-weight:800;color:var(--clay-deep);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.4;
}
.plan-price span{display:block;margin-top:5px;font-size:13px;color:var(--t3)}
.plan-list{list-style:none;margin:20px 0 24px;padding:0;display:grid;gap:11px}
.plan-list li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.7;color:var(--t2)}
.plan-list li i{position:absolute;left:0;top:5px;font-size:13px;color:var(--ok)}
.plan-card .btn{width:100%;margin-top:auto}

/* ============ 对比表 ============ */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  -webkit-overflow-scrolling:touch;
}
.cmp-table{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px}
.cmp-table thead th{
  background:var(--sand);color:var(--brand-deep);font-weight:700;font-size:15px;
  padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
.cmp-table tbody td{
  padding:15px 18px;text-align:left;color:var(--t2);border-bottom:1px solid var(--line);line-height:1.7;
}
.cmp-table tbody td:first-child{color:var(--t1);font-weight:600;white-space:nowrap}
.cmp-table tbody tr:nth-child(even){background:#FCFAF6}
.cmp-table tbody tr:hover{background:var(--sage)}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table .col-hi{color:var(--brand);font-weight:700}
.table-hint{margin:14px 0 0;font-size:13px;color:var(--t3);text-align:center}

/* ============ 场景卡 ============ */
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px 24px;box-shadow:var(--sh-1);height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6CFC2}
.scene-icon{
  width:42px;height:42px;border-radius:12px;background:var(--sage);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.scene-card h3{margin:16px 0 0;font-size:17px;font-weight:700;line-height:1.55}
.scene-card p{margin:9px 0 0;font-size:14px;line-height:1.8;color:var(--t2)}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step::after{
  content:"";position:absolute;top:44px;right:-24px;width:24px;
  border-top:2px dashed #D9D2C6;
}
.step:last-child::after{display:none}
.step-num{
  width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step h3{margin:16px 0 0;font-size:17px;font-weight:700;line-height:1.55}
.step p{margin:8px 0 0;font-size:14px;line-height:1.8;color:var(--t2)}

/* ============ 保障条 ============ */
.assure{background:var(--ink);color:#fff;padding:48px 0}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.assure-item{display:flex;gap:14px;padding:0 26px;border-left:1px solid rgba(255,255,255,.12)}
.assure-item:first-child{border-left:none;padding-left:0}
.assure-item:last-child{padding-right:0}
.assure-item i{font-size:21px;color:var(--clay);margin-top:3px}
.assure-item h3{margin:0;font-size:16px;font-weight:700;color:#fff;line-height:1.6}
.assure-item p{margin:6px 0 0;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.7)}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  position:relative;width:100%;background:none;border:0;text-align:left;
  padding:20px 46px 20px 0;font-size:17px;font-weight:600;color:var(--t1);
  line-height:1.7;transition:color .2s;
}
.faq-q:hover{color:var(--brand)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-q i{
  position:absolute;right:10px;top:24px;font-size:15px;color:var(--t3);
  transition:transform .24s ease,color .2s;
}
.faq-item.open .faq-q i{transform:rotate(45deg);color:var(--clay)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{margin:0;padding:0 60px 22px 0;font-size:15px;line-height:1.9;color:var(--t2)}

/* ============ CTA 横幅 ============ */
.cta-wrap{padding:0 0 88px}
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;color:#fff;
  background:linear-gradient(135deg,var(--brand),#14382D);
  padding:48px;display:grid;grid-template-columns:1fr 340px;gap:44px;align-items:center;
  box-shadow:var(--sh-2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:28px 28px;
}
.cta-text{position:relative;z-index:2}
.cta-text h2{margin:0;font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.01em;line-height:1.4}
.cta-text p{margin:13px 0 0;font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.78);max-width:520px}
.cta-actions{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap}
.cta-figure{position:relative;z-index:2}
.cta-figure img{
  width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:16px;
  border:1px solid rgba(255,255,255,.16);
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px}
.foot-logo{display:flex;align-items:center;gap:10px}
.foot-brand-text{font-size:17px;font-weight:800;color:#fff;letter-spacing:-.01em}
.foot-about{margin:16px 0 0;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66)}
.foot-social{display:flex;gap:10px;margin-top:20px}
.foot-social a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);
  transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.foot-social a:hover{background:var(--clay);border-color:var(--clay);color:#fff;transform:translateY(-2px)}
.foot-h{margin:0 0 16px;font-size:15px;font-weight:700;color:#fff}
.foot-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot-list a{display:inline-block;font-size:14px;color:rgba(255,255,255,.7);transition:color .2s,transform .2s}
.foot-list a:hover{color:var(--clay);transform:translateX(2px)}
.foot-form{display:flex;gap:8px;margin-top:12px}
.foot-form input{
  flex:1 1 auto;min-width:0;height:44px;border-radius:10px;padding:0 14px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s;
}
.foot-form input::placeholder{color:rgba(255,255,255,.42)}
.foot-form input:focus{border-color:var(--clay);box-shadow:0 0 0 3px rgba(217,119,66,.22)}
.foot-msg{margin:8px 0 0;min-height:18px;font-size:12.5px;color:var(--clay)}
.foot-bar{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  background:transparent;border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.75);
  font-size:13px;padding:7px 15px;border-radius:999px;
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s,background .2s,color .2s,border-color .2s;
}
.to-top:hover{border-color:var(--clay);color:#fff;background:rgba(217,119,66,.16)}
.to-top.show{opacity:1;visibility:visible}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,35,29,.5);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:120;
  background:#fff;padding:22px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s ease;
  box-shadow:-12px 0 34px rgba(16,35,29,.2);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-search{position:relative;margin-top:20px}
.drawer-search input{
  width:100%;height:42px;border-radius:999px;border:1px solid var(--line);
  background:var(--sand);padding:0 42px 0 16px;font-size:14px;outline:none;color:var(--t1);
}
.drawer-search input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(14,59,46,.12)}
.drawer-search i{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--t3);font-size:14px}
.drawer-nav{display:grid;gap:4px;margin-top:18px}
.drawer-nav a{padding:12px 14px;border-radius:10px;font-size:15.5px;color:var(--t2);transition:background .2s,color .2s}
.drawer-nav a:hover{background:var(--sand);color:var(--brand)}
.drawer-nav a.active{background:var(--sage);color:var(--brand);font-weight:700}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.drawer-cta{width:100%;margin-top:22px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:32px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .cta-wrap{padding:0 0 64px}
  .search-box{display:none}
  .hot-chips{display:none}
  .hot-toggle{display:none !important}
  .head-nav{display:none}
  .burger{display:inline-flex}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:40px 32px}
  .cta-figure{max-width:320px}
  .step::after{display:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .assure-grid{grid-template-columns:repeat(2,1fr);row-gap:26px}
  .assure-item:nth-child(odd){border-left:none;padding-left:0}
  .assure-item{padding:0 20px}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .hero-stat b{font-size:23px}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .cta-wrap{padding:0 0 52px}
  .head-top{gap:12px}
  .head-right .btn-outline{display:none}
  .logo-sub{display:none}
  .hero-inner{text-align:left}
  .breadcrumb{justify-content:flex-start}
  .hero-actions{justify-content:flex-start}
  .hero-stats{grid-template-columns:repeat(2,1fr);margin-top:36px}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .plan-card.featured{margin-top:0}
  .plan-for{min-height:0}
  .steps{grid-template-columns:1fr}
  .assure{padding:40px 0}
  .cta-band{padding:34px 24px}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .foot-bar{flex-direction:column;align-items:flex-start}
  .faq-a p{padding-right:20px}
}
@media (max-width:520px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .cat-hero{padding:44px 0 52px}
  .hero-title{font-size:26px}
  .hero-sub{font-size:15.5px}
  .assure-grid{grid-template-columns:1fr;row-gap:22px}
  .assure-item{padding:0 !important;border-left:none}
  .foot-form{flex-direction:column}
  .foot-form .btn{width:100%}
  .cta-actions .btn{width:100%}
  .hero-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --brand:#0E3B2E;
  --brand-deep:#0A2C22;
  --sage:#E7EFEB;
  --clay:#D97742;
  --clay-deep:#C1652F;
  --wheat:#E3B85C;
  --sand:#F7F4EF;
  --ink:#10231D;
  --line:#E3DDD3;
  --text:#1A1F1D;
  --text-2:#5B6660;
  --text-3:#8A938D;
  --ok:#2E7D5B;
  --warn:#B4552B;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,35,29,.06);
  --shadow-2:0 10px 28px -12px rgba(16,35,29,.22);
  --gutter:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-0.01em;}
h1{font-size:clamp(30px,3.4vw,44px);font-weight:800;}
h2{font-size:clamp(24px,2.4vw,31px);}
h3{font-size:19px;font-weight:600;}
p{margin:0;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
button,input,select{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;padding:0;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 var(--gutter);}
@media (min-width:1280px){ .wrap{padding:0 24px;} }

.section{padding:84px 0;}
.section-sm{padding:58px 0;}
.section-dark{background:var(--ink);color:#fff;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--clay);letter-spacing:.06em;
  margin-bottom:12px;
}
.sec-head .eyebrow::before{content:"";width:3px;height:15px;background:var(--clay);border-radius:2px;}
.sec-head p.desc{color:var(--text-2);font-size:15.5px;max-width:620px;margin-top:10px;}
.text-link{color:var(--brand);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;transition:color .2s,gap .2s;}
.text-link:hover{color:var(--clay);gap:10px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px -14px rgba(16,35,29,.45);}
.head-top{display:flex;align-items:center;gap:20px;height:70px;}
.logo{display:flex;align-items:center;gap:11px;flex:none;}
.logo-mark{width:34px;height:34px;border-radius:9px;background:var(--brand);position:relative;flex:none;}
.logo-mark::before{content:"";position:absolute;inset:8px;border:2px solid var(--clay);border-radius:50%;}
.logo-mark::after{content:"";position:absolute;width:7px;height:7px;border-radius:2px;background:var(--wheat);top:6px;right:6px;}
.logo-text{display:block;font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--brand);line-height:1.2;}
.logo-sub{display:block;font-size:11.5px;color:var(--text-3);letter-spacing:.14em;line-height:1.5;}
.search-box{position:relative;flex:1;max-width:420px;}
.search-box input{
  width:100%;height:42px;border:1px solid var(--line);border-radius:999px;
  padding:0 44px 0 18px;background:var(--sand);font-size:14.5px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,59,46,.12);}
.search-box i{position:absolute;right:17px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px;pointer-events:none;}
.head-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.hot-chips{display:flex;gap:8px;align-items:center;}
.chip{
  font-size:12px;color:var(--text-2);border:1px solid var(--line);border-radius:999px;
  padding:5px 12px;background:#fff;transition:all .2s;white-space:nowrap;
}
.chip:hover{border-color:var(--clay);color:var(--clay);}
.hot-toggle{display:none;font-size:12.5px;color:var(--text-2);border:1px solid var(--line);border-radius:999px;padding:6px 12px;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand);transition:all .2s;
}
.icon-btn:hover{border-color:var(--brand);background:var(--sage);}
.burger{display:none;}
.head-nav{
  display:flex;align-items:center;gap:2px;height:46px;
  border-top:1px solid var(--line);
  overflow-x:auto;scrollbar-width:none;
}
.head-nav::-webkit-scrollbar{display:none;}
.nav-link{
  position:relative;padding:0 15px;line-height:46px;font-size:15px;color:var(--text-2);
  white-space:nowrap;border-bottom:2px solid transparent;transition:color .2s,background .2s,border-color .2s;
}
.nav-link:hover{color:var(--brand);background:var(--sage);}
.nav-link.active{color:var(--brand);font-weight:700;border-bottom-color:var(--clay);}
.nav-tail{
  margin-left:auto;padding-left:20px;font-size:12.5px;color:var(--text-3);
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.nav-tail i{color:var(--clay);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:600;font-size:15px;
  padding:12px 24px;border:1.5px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn-primary{background:var(--clay);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-outline:hover{background:var(--sage);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand);}
.btn-ghost:hover{background:var(--clay);border-color:var(--clay);color:#fff;}
.btn-light{background:#fff;color:var(--brand);border-color:#fff;}
.btn-light:hover{background:var(--sage);border-color:var(--sage);}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:9px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none;}

/* ---------- 面包屑 ---------- */
.crumb{padding:18px 0 6px;font-size:13px;color:var(--text-3);}
.crumb a{color:var(--text-3);transition:color .2s;}
.crumb a:hover{color:var(--clay);}
.crumb span.sep{margin:0 8px;}
.crumb strong{color:var(--brand);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--sand) 100%);
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(14,59,46,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(14,59,46,.05) 1px,transparent 1px);
  background-size:28px 28px;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;padding:56px 0 64px;}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--sage);border:1px solid rgba(14,59,46,.12);border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.hero-chip i{color:var(--clay);}
.hero h1{margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--clay);}
.hero-sub{font-size:16.5px;color:var(--text-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--text-2);}
.hero-facts span{display:inline-flex;align-items:center;gap:7px;}
.hero-facts i{color:var(--ok);font-size:12px;}

.route-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-2);
  overflow:hidden;position:relative;
}
.route-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.route-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.route-card:hover .route-media img{transform:scale(1.04);}
.route-badge{
  position:absolute;top:14px;left:14px;background:var(--brand);color:#fff;font-size:12.5px;font-weight:600;
  padding:6px 12px;border-radius:999px;letter-spacing:.02em;
}
.route-body{padding:22px 24px 24px;}
.route-body h3{font-size:19px;margin-bottom:8px;}
.route-body .route-desc{font-size:14.5px;color:var(--text-2);margin-bottom:16px;}
.route-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.tag{font-size:12.5px;background:var(--sage);color:var(--brand);border-radius:999px;padding:5px 12px;font-weight:600;}
.tag-clay{background:rgba(217,119,66,.12);color:var(--clay-deep);}
.route-price{display:flex;align-items:baseline;gap:10px;padding-top:16px;border-top:1px dashed var(--line);}
.route-price .now{font-size:26px;font-weight:800;color:var(--clay);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.route-price .unit{font-size:13px;color:var(--text-3);}
.route-price .old{font-size:14px;color:var(--text-3);text-decoration:line-through;}
.route-price .btn{margin-left:auto;}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px 28px;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(217,119,66,.4);}
.flow-step::after{
  content:"";position:absolute;top:44px;right:-24px;width:24px;border-top:2px dashed rgba(14,59,46,.25);
}
.flow-step:last-child::after{display:none;}
.flow-num{
  width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.flow-step h3{font-size:17.5px;margin-bottom:8px;}
.flow-step p{font-size:14.5px;color:var(--text-2);}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center;}
.split + .split{margin-top:76px;}
.split.rev .split-media{order:2;}
.split-media{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);aspect-ratio:4/3;}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.03);}
.split h2{margin-bottom:16px;}
.split p{color:var(--text-2);font-size:16px;margin-bottom:18px;}
.check-list{display:grid;gap:12px;}
.check-list li{display:flex;gap:11px;font-size:15px;color:var(--text);}
.check-list i{color:var(--ok);margin-top:6px;font-size:13px;flex:none;}
.check-list strong{font-weight:700;color:var(--brand);}

/* ---------- 时效数据 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;transition:border-color .25s,transform .25s,box-shadow .25s;
}
.stat:hover{border-color:var(--clay);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.stat .num{font-size:30px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2;}
.stat .num small{font-size:15px;font-weight:600;color:var(--text-3);margin-left:4px;}
.stat .label{font-size:15px;font-weight:600;margin-top:8px;}
.stat .note{font-size:13.5px;color:var(--text-3);margin-top:4px;}

/* ---------- 保障条 ---------- */
.guarantee{background:var(--ink);color:#fff;padding:42px 0;}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.g-item{padding:0 26px;border-right:1px solid rgba(255,255,255,.12);}
.g-item:first-child{padding-left:0;}
.g-item:last-child{border-right:none;padding-right:0;}
.g-item i{font-size:22px;color:var(--wheat);margin-bottom:12px;display:block;}
.g-item h3{font-size:16.5px;color:#fff;margin-bottom:6px;}
.g-item p{font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;font-size:17px;font-weight:600;text-align:left;color:var(--text);transition:color .2s;
}
.faq-q:hover{color:var(--clay);}
.faq-q .plus{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
  font-size:13px;transition:transform .24s ease,background .24s ease,color .24s ease,border-color .24s;
}
.faq-item.open .faq-q{color:var(--brand);}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--clay);border-color:var(--clay);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 4px 22px;color:var(--text-2);font-size:15.5px;}

/* ---------- CTA ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:20px;color:#fff;
  background:linear-gradient(120deg,var(--brand) 0%,#14382D 100%);
  padding:52px 54px;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:28px 28px;
}
.cta-banner > *{position:relative;}
.cta-banner h2{color:#fff;margin-bottom:12px;}
.cta-banner p{color:rgba(255,255,255,.76);font-size:15.5px;max-width:520px;margin-bottom:26px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-media{border-radius:16px;overflow:hidden;aspect-ratio:1/1;border:1px solid rgba(255,255,255,.14);}
.cta-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 表单区块 ---------- */
.quote-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:34px;box-shadow:var(--shadow-1);
}
.quote-box h3{margin-bottom:10px;}
.quote-box .hint{font-size:14.5px;color:var(--text-2);margin-bottom:20px;}
.field-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.field label{font-size:13.5px;font-weight:600;color:var(--text-2);}
.field input,.field select{
  height:44px;border:1px solid var(--line);border-radius:10px;padding:0 14px;background:var(--sand);
  font-size:14.5px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field input:focus,.field select:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,59,46,.12);}
.form-msg{font-size:13.5px;color:var(--ok);margin-top:10px;min-height:20px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:66px 0 0;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:42px;padding-bottom:48px;}
.foot-logo{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.foot-logo .logo-mark{background:rgba(255,255,255,.14);}
.foot-brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;}
.foot-about{font-size:14px;color:rgba(255,255,255,.66);line-height:1.85;}
.foot-social{display:flex;gap:12px;margin-top:20px;}
.foot-social a{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);transition:all .2s;
}
.foot-social a:hover{background:var(--clay);border-color:var(--clay);color:#fff;}
.foot-h{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-list li{margin-bottom:11px;}
.foot-list a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s,transform .2s;display:inline-block;}
.foot-list a:hover{color:var(--clay);transform:translateX(2px);}
.foot-form{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;}
.foot-form input{
  flex:1;min-width:180px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);padding:0 14px;color:#fff;font-size:14px;
}
.foot-form input::placeholder{color:rgba(255,255,255,.45);}
.foot-form input:focus{outline:none;border-color:var(--clay);box-shadow:0 0 0 3px rgba(217,119,66,.2);}
.foot-msg{font-size:13px;color:var(--wheat);min-height:20px;margin-top:10px;}
.foot-bar{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.75);font-size:13px;
  border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:7px 16px;transition:all .2s;
}
.to-top:hover{color:#fff;background:var(--clay);border-color:var(--clay);}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,35,29,.5);opacity:0;visibility:hidden;
  transition:opacity .25s;z-index:90;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);background:#fff;z-index:100;
  transform:translateX(100%);transition:transform .28s ease;padding:22px;overflow-y:auto;
  box-shadow:-16px 0 40px -20px rgba(16,35,29,.5);
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-nav{display:grid;gap:2px;margin-bottom:22px;}
.drawer-nav a{padding:13px 12px;border-radius:10px;font-size:15.5px;color:var(--text-2);transition:all .2s;}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--sage);color:var(--brand);font-weight:600;}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-tail{display:none;}
}
@media (max-width:1023px){
  .section{padding:60px 0;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:44px 0 52px;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-step::after{display:none;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);gap:30px 0;}
  .g-item{padding:0 22px;}
  .g-item:nth-child(2){border-right:none;padding-right:0;}
  .g-item:nth-child(3){padding-left:0;}
  .split{grid-template-columns:1fr;gap:30px;}
  .split.rev .split-media{order:0;}
  .split + .split{margin-top:56px;}
  .cta-banner{grid-template-columns:1fr;padding:40px 32px;gap:30px;}
  .cta-media{aspect-ratio:16/10;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .search-box{max-width:280px;}
}
@media (max-width:860px){
  .head-top{height:64px;gap:14px;}
  .search-box{display:none;}
  .hot-chips{display:none;}
  .burger{display:inline-flex;}
  .head-nav{height:auto;flex-wrap:nowrap;padding:6px 0;}
  .nav-link{line-height:34px;font-size:14px;padding:0 12px;border-radius:8px;}
  .nav-link.active{border-bottom-color:transparent;background:var(--sage);}
  .foot-grid{grid-template-columns:1fr;}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.85;}
  .section{padding:44px 0;}
  .section-sm{padding:38px 0;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1;min-width:150px;}
  .flow{grid-template-columns:1fr;gap:16px;}
  .stat-grid{grid-template-columns:1fr;}
  .guarantee-grid{grid-template-columns:1fr;gap:0;}
  .g-item{padding:20px 0;border-right:none;border-bottom:1px solid rgba(255,255,255,.12);}
  .g-item:last-child{border-bottom:none;}
  .field-row{grid-template-columns:1fr;}
  .cta-banner{padding:32px 22px;border-radius:16px;}
  .cta-actions .btn{flex:1;}
  .quote-box{padding:24px 20px;}
  .faq-q{font-size:16px;padding:18px 2px;}
  .sec-head{margin-bottom:26px;}
  .foot-bar{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category4 */
:root{
  --brand:#0E3B2E;
  --brand-deep:#0A2C22;
  --sage:#E7EFEB;
  --clay:#D97742;
  --clay-deep:#C1652F;
  --wheat:#E3B85C;
  --sand:#F7F4EF;
  --ink:#10231D;
  --line:#E3DDD3;
  --t1:#1A1F1D;
  --t2:#5B6660;
  --t3:#8A938D;
  --ok:#2E7D5B;
  --warn:#B4552B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh1:0 1px 2px rgba(16,35,29,.06);
  --sh2:0 10px 28px -12px rgba(16,35,29,.22);
}
*,*::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',sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--t1);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px}

.wrap{max-width:1240px;margin:0 auto;padding:0 20px;width:100%}
@media (min-width:1280px){.wrap{padding:0 24px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.stuck{box-shadow:0 8px 26px -16px rgba(16,35,29,.45)}
.head-top{display:flex;align-items:center;gap:22px;height:64px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;position:relative;
  background:linear-gradient(145deg,#17513E,var(--brand));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);
}
.logo-mark::before{
  content:"";position:absolute;inset:11px;border:2px solid var(--clay);
  border-radius:3px;transform:rotate(45deg);
}
.logo-text{display:block;font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--brand-deep);line-height:1.25}
.logo-sub{display:block;font-size:11.5px;color:var(--t3);letter-spacing:.05em;line-height:1.5}

.search-box{position:relative;flex:1 1 auto;max-width:420px}
.search-box input{
  width:100%;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#fff;padding:0 44px 0 18px;font-size:14px;transition:.2s ease;
}
.search-box input::placeholder{color:var(--t3)}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,59,46,.13)}
.search-box i{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--t3);font-size:14px;pointer-events:none}

.head-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.hot-chips{display:flex;align-items:center;gap:8px}
.chip{
  font-size:12px;padding:5px 11px;border-radius:999px;border:1px solid var(--line);
  color:var(--t2);background:#fff;white-space:nowrap;transition:.2s ease;
}
.chip:hover{border-color:var(--clay);color:var(--clay-deep);background:#FFF7F2}
.hot-toggle{
  display:none;align-items:center;gap:6px;font-size:12.5px;color:var(--t2);
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;cursor:pointer;
}
.hot-toggle:hover{border-color:var(--clay);color:var(--clay-deep)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:14.5px;padding:12px 24px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--clay);color:#fff;box-shadow:0 8px 18px -10px rgba(193,101,47,.85)}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(193,101,47,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.2)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);border-width:1.5px}
.btn-outline:hover{background:var(--sage)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-ghost:hover{background:var(--clay);border-color:var(--clay);color:#fff}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-line{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.14);border-color:#fff}

.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand);
  cursor:pointer;transition:.2s ease;
}
.icon-btn:hover{background:var(--sage);border-color:var(--sage)}
.burger{display:none}

.head-nav{display:flex;align-items:center;gap:26px;height:44px;overflow-x:auto;scrollbar-width:none}
.head-nav::-webkit-scrollbar{display:none}
.nav-link{position:relative;font-size:14.5px;font-weight:500;color:var(--t2);padding:12px 0;white-space:nowrap;transition:color .2s ease}
.nav-link:hover{color:var(--brand)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--clay)}
.nav-tail{
  margin-left:auto;display:flex;align-items:center;gap:7px;white-space:nowrap;
  font-size:12.5px;color:var(--t3);padding-left:24px;
}
.nav-tail i{color:var(--clay)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,35,29,.5);z-index:80;
  opacity:0;visibility:hidden;transition:.28s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:308px;max-width:88vw;background:#fff;z-index:90;
  transform:translateX(105%);transition:transform .3s ease;padding:22px;overflow-y:auto;
  box-shadow:-24px 0 48px -24px rgba(0,0,0,.4);
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-title{font-weight:800;color:var(--brand-deep);font-size:16px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;border-bottom:1px solid var(--line);font-weight:600;font-size:15px;color:var(--brand-deep);
}
.drawer-nav a.active{color:var(--clay)}
.drawer-sub{margin-top:22px;font-size:12.5px;color:var(--t3);letter-spacing:.05em}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.drawer .btn{width:100%;margin-top:20px}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;isolation:isolate;overflow:hidden;background:var(--brand-deep)}
.cat-hero .hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cat-hero .hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(10,44,34,.9) 0%,rgba(10,44,34,.72) 44%,rgba(14,59,46,.55) 100%);
}
.cat-hero .hero-net{
  position:absolute;inset:0;z-index:-1;opacity:.55;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:28px 28px;
}
.hero-inner{padding:40px 0 62px;min-height:392px;display:flex;flex-direction:column;justify-content:center;color:#fff}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px;flex-wrap:wrap}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--wheat)}
.crumb .sep{opacity:.5}
.crumb .cur{color:#fff;font-weight:700}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  font-size:12.5px;letter-spacing:.1em;font-weight:700;color:#F6D9C4;
  border:1px solid rgba(217,119,66,.6);background:rgba(217,119,66,.16);
  padding:6px 14px;border-radius:999px;
}
.cat-hero h1{
  font-size:clamp(27px,3.4vw,42px);font-weight:800;letter-spacing:-.01em;
  line-height:1.28;margin:20px 0 16px;max-width:20em;
}
.hero-lead{font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.8);max-width:44em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;font-size:13.5px;color:rgba(255,255,255,.72)}
.hero-facts span{display:inline-flex;align-items:center;gap:8px}
.hero-facts i{color:var(--wheat);font-size:12px}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0}
.section-tight{padding:56px 0 76px}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:740px;margin-bottom:40px}
.sec-tag{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;
  letter-spacing:.1em;color:var(--clay-deep);
}
.sec-tag::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--clay)}
.sec-title{font-size:clamp(23px,2.5vw,31px);font-weight:800;letter-spacing:-.01em;color:var(--brand-deep);margin:14px 0 12px;line-height:1.35}
.sec-desc{font-size:15.5px;color:var(--t2);line-height:1.9}
.sec-more{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--clay-deep);margin-top:18px;transition:.2s ease}
.sec-more:hover{gap:12px;color:var(--clay)}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--sh1);
}
.stat{padding:26px 24px;border-right:1px solid var(--line);transition:background-color .25s ease}
.stat:last-child{border-right:0}
.stat:hover{background:var(--sage)}
.stat-num{font-size:30px;font-weight:800;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-num small{font-size:15px;font-weight:700;margin-left:3px}
.stat-label{font-size:13.5px;color:var(--t2);margin-top:6px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:900px}
.timeline::before{
  content:"";position:absolute;left:23px;top:16px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(14,59,46,.12));
}
.tl-item{position:relative;padding:0 0 32px 68px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:2px;width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 6px var(--sand);font-variant-numeric:tabular-nums;
}
.section-alt .tl-dot{box-shadow:0 0 0 6px #fff}
.tl-time{font-size:12.5px;font-weight:700;letter-spacing:.09em;color:var(--clay-deep)}
.tl-item h3{font-size:18px;font-weight:700;color:var(--brand-deep);margin:6px 0 6px}
.tl-item p{font-size:15px;color:var(--t2);line-height:1.9;max-width:46em}

/* ---------- 证书卡 ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cert-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh1);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cert-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(217,119,66,.55)}
.cert-media{position:relative;overflow:hidden}
.cert-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.cert-card:hover img{transform:scale(1.04)}
.cert-tag{
  position:absolute;left:12px;top:12px;font-size:12px;font-weight:700;color:var(--brand-deep);
  background:rgba(231,239,235,.94);padding:4px 10px;border-radius:999px;
}
.cert-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.cert-body h3{font-size:18px;font-weight:700;color:var(--brand-deep);margin-bottom:8px;line-height:1.5}
.cert-body p{font-size:14.5px;color:var(--t2);line-height:1.85;flex:1}
.cert-foot{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--t3);
}
.cert-foot i{color:var(--clay)}

/* ---------- 合作方墙 ---------- */
.logo-wall{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.wall-item{
  background:#fff;padding:24px 20px;display:flex;flex-direction:column;gap:6px;
  filter:grayscale(1);opacity:.72;transition:.28s ease;
}
.wall-item:hover{filter:none;opacity:1;background:var(--sage)}
.wall-item .wi-dot{width:10px;height:10px;border-radius:3px;background:var(--clay)}
.wall-item .wi-name{font-size:15.5px;font-weight:700;color:var(--brand-deep)}
.wall-item .wi-meta{font-size:12.5px;color:var(--t3);line-height:1.7}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;color:#fff;
  background:linear-gradient(118deg,var(--brand) 0%,#14382D 100%);
  box-shadow:0 24px 50px -30px rgba(10,44,34,.9);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:28px 28px;
}
.cta-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;padding:42px}
.cta-grid h2{font-size:clamp(22px,2.3vw,28px);font-weight:800;letter-spacing:-.01em;margin-bottom:12px;line-height:1.4}
.cta-grid p{font-size:15.5px;color:rgba(255,255,255,.78);line-height:1.9;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.cta-grid img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:16px}
.cta-list{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.72)}
.cta-list span{display:inline-flex;align-items:center;gap:8px}
.cta-list i{color:var(--wheat);font-size:12px}

/* ---------- FAQ ---------- */
.faq{max-width:900px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:21px 0;font-size:17px;font-weight:600;color:var(--t1);transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--clay);font-size:14px;transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--clay);border-color:var(--clay);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{font-size:15.5px;color:var(--t2);line-height:1.95;padding:0 0 22px;max-width:56em}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.8);margin-top:84px}
.foot-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.2fr;gap:42px;padding:58px 0 42px}
.foot-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer .logo-mark{background:linear-gradient(145deg,#17513E,var(--brand));box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
.foot-brand-text{font-size:18px;font-weight:800;color:#fff;letter-spacing:-.01em}
.foot-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:30em}
.foot-social{display:flex;gap:10px;margin-top:20px}
.foot-social a{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);transition:.2s ease;
}
.foot-social a:hover{background:var(--clay);border-color:var(--clay);color:#fff}
.foot-h{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-list{display:flex;flex-direction:column;gap:11px;font-size:14px}
.foot-list a{color:rgba(255,255,255,.7);display:inline-block;transition:.2s ease}
.foot-list a:hover{color:var(--clay);transform:translateX(2px)}
.foot-note{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.85}
.foot-form{display:flex;gap:8px;margin-top:12px}
.foot-form input{
  flex:1;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:.2s ease;
}
.foot-form input::placeholder{color:rgba(255,255,255,.45)}
.foot-form input:focus{outline:none;border-color:var(--clay);box-shadow:0 0 0 3px rgba(217,119,66,.24)}
.foot-msg{font-size:13px;color:var(--wheat);margin-top:10px;min-height:20px}
.foot-bar{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#fff;
  border-radius:999px;padding:8px 16px;font-size:13px;transition:.2s ease;
}
.to-top:hover{background:var(--clay);border-color:var(--clay)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .search-box{display:none}
  .hot-chips{display:none!important}
  .head-right .btn-outline{display:none}
  .burger{display:inline-flex}
  .nav-tail{display:none}
  .section{padding:58px 0}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .logo-wall{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;padding:32px}
  .cta-grid img{aspect-ratio:16/9}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:46px 0 34px}
  .hero-inner{padding:34px 0 50px;min-height:340px}
}
@media (max-width:767px){
  body{font-size:16px}
  .stats{grid-template-columns:1fr 1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .timeline::before{left:19px}
  .tl-item{padding-left:58px}
  .tl-dot{width:40px;height:40px;font-size:12px}
  .section,.section-tight{padding:48px 0}
  .sec-head{margin-bottom:30px}
  .cta-grid{padding:26px 22px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .faq-q{font-size:16px}
}
@media (max-width:520px){
  .head-top{gap:12px;height:60px}
  .logo-text{font-size:15.5px}
  .logo-sub{display:none}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .cert-grid{grid-template-columns:1fr}
  .logo-wall{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0!important;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .foot-form{flex-direction:column}
  .foot-form .btn{width:100%}
}