/* roulang page: index */
:root{
  --ink:#0C1A16;
  --brand:#14322A;
  --grass:#1E6B52;
  --grass-lt:#4FA98A;
  --orange:#FF6A2B;
  --orange-lt:#FF8248;
  --lime:#C6F04A;
  --paper:#F7F6F2;
  --paper-2:#F0F3F1;
  --white:#FFFFFF;
  --line:#E3E1DA;
  --t1:#16191A;
  --t2:#55605C;
  --t3:#8C948F;
  --r-card:16px;
  --r-pill:999px;
  --r-input:12px;
  --r-acc:14px;
  --sh-1:0 1px 2px rgba(12,26,22,.06);
  --sh-2:0 8px 24px rgba(12,26,22,.08);
  --sh-3:0 18px 48px rgba(12,26,22,.14);
  --sh-nav:0 6px 28px rgba(12,26,22,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px;width:100%;}
.sec{padding:88px 0;}
.sec-alt{background:var(--paper-2);}
.sec-dark{background:var(--ink);color:#fff;}
.tnum{font-variant-numeric:tabular-nums;}

/* ============ header ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(12,26,22,.42);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:var(--sh-nav);
  transition:background .3s var(--ease),height .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-solid{
  background:rgba(12,26,22,.97);
  -webkit-backdrop-filter:none;backdrop-filter:none;
  border-bottom-color:rgba(255,255,255,.08);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .3s var(--ease);}
.site-header.is-solid .nav-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;color:#fff;flex-shrink:0;}
.logo svg{width:34px;height:34px;flex-shrink:0;}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-main{font-size:18px;font-weight:800;letter-spacing:.5px;}
.logo-sub{font-size:10px;letter-spacing:3px;color:var(--lime);opacity:.9;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:12px;}
.nav-links a{
  position:relative;display:block;padding:9px 13px;font-size:15px;
  color:rgba(255,255,255,.88);border-radius:8px;
  transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;
  background:var(--orange);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;font-weight:600;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  color:#fff;cursor:pointer;transition:background .22s var(--ease),transform .22s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.22);transform:translateY(-1px);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:var(--r-pill);
  background:var(--orange);color:var(--ink);font-size:15.5px;font-weight:700;
  cursor:pointer;transition:background .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-main:hover{background:var(--orange-lt);transform:translateY(-2px);box-shadow:var(--sh-3);color:var(--ink);}
.btn-main:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:transparent;border:1px solid rgba(255,255,255,.36);color:#fff;
  font-size:15.5px;font-weight:600;cursor:pointer;
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);color:#fff;}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;
  border-radius:var(--r-pill);border:1px solid var(--brand);color:var(--brand);
  background:transparent;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.btn-line:hover{background:rgba(20,50,42,.08);transform:translateY(-2px);color:var(--brand);}
.nav-toggle{display:none;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:78%;max-width:320px;z-index:1200;
  background:var(--brand);border-left:1px solid rgba(255,255,255,.12);
  transform:translateX(100%);transition:transform .32s var(--ease);
  padding:24px 22px;display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-close{align-self:flex-end;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);color:#fff;width:38px;height:38px;border-radius:50%;cursor:pointer;}
.drawer nav{margin-top:22px;display:flex;flex-direction:column;}
.drawer nav a{color:rgba(255,255,255,.85);font-size:16px;line-height:1.9;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);}
.drawer nav a.active,.drawer nav a:hover{color:#fff;}
.drawer .btn-main{margin-top:auto;}
.scrim{position:fixed;inset:0;background:rgba(12,26,22,.6);z-index:1100;opacity:0;pointer-events:none;transition:opacity .3s var(--ease);}
.scrim.open{opacity:1;pointer-events:auto;}

/* ============ hero ============ */
.hero{
  position:relative;min-height:78vh;display:flex;align-items:center;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:130px 0 96px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,26,22,.94) 0%,rgba(12,26,22,.78) 42%,rgba(12,26,22,.38) 78%,rgba(12,26,22,.24) 100%);
}
.hero-fade{
  position:absolute;left:0;right:0;bottom:-1px;height:110px;
  background:linear-gradient(to bottom,rgba(247,246,242,0) 0%,rgba(247,246,242,.72) 62%,var(--paper) 100%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-inner{max-width:660px;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.glass-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#fff;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
}
.hero h1{font-size:52px;font-weight:800;color:#fff;letter-spacing:.5px;}
.hero-sub{margin:16px 0 28px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:38px;font-size:13px;color:rgba(255,255,255,.74);
}
.dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}

/* ============ section heads ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.sec-title{position:relative;font-size:30px;padding-left:16px;}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--orange);}
.sec-desc{margin-top:10px;font-size:15px;color:var(--t2);max-width:620px;}
.link-more{font-size:14px;font-weight:600;color:var(--grass);position:relative;padding-bottom:3px;background-image:linear-gradient(var(--orange),var(--orange));background-repeat:no-repeat;background-size:0 2px;background-position:left bottom;transition:background-size .3s var(--ease),color .2s;}
.link-more:hover{background-size:100% 2px;color:var(--brand);}
.dark-sec .sec-title{color:#fff;}
.dark-sec .sec-desc{color:rgba(255,255,255,.68);}

/* ============ rail ============ */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 312px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rail-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.rail-card:hover .rail-thumb img{transform:scale(1.04);}
.rail-body{padding:18px 20px 20px;}
.rail-card h3{font-size:17px;line-height:1.45;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-card:hover h3{color:var(--grass);}
.rail-meta{font-size:13px;color:var(--t3);display:flex;gap:8px;align-items:center;}
.badge-soft{
  display:inline-block;font-size:12.5px;padding:3px 11px;border-radius:var(--r-pill);
  color:var(--grass);background:rgba(30,107,82,.09);border:1px solid rgba(30,107,82,.24);
}
.badge-on{position:absolute;top:12px;left:12px;font-size:12.5px;padding:4px 12px;border-radius:var(--r-pill);background:var(--orange);color:#fff;font-weight:600;}
.rail-nav{
  position:absolute;top:34%;width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.92);border:1px solid var(--line);box-shadow:var(--sh-2);
  color:var(--brand);cursor:pointer;display:grid;place-items:center;z-index:5;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.rail-nav:hover{background:var(--orange);color:#fff;}
.rail-prev{left:-8px;}
.rail-next{right:-8px;}

/* ============ kpi ============ */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.kpi{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.kpi:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,107,82,.28);}
.kpi-num{font-size:38px;font-weight:800;color:var(--brand);line-height:1.1;}
.kpi-num span{font-size:18px;font-weight:600;color:var(--grass-lt);margin-left:4px;}
.kpi-label{margin-top:8px;font-size:15px;font-weight:600;}
.kpi-note{margin-top:6px;font-size:13px;color:var(--t3);}

/* ============ collage ============ */
.collage{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.big-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;min-height:420px;
  box-shadow:var(--sh-2);display:block;
}
.big-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .6s var(--ease);}
.big-card:hover img{transform:scale(1.05);}
.big-card .mask{position:absolute;inset:0;background:linear-gradient(to top,rgba(12,26,22,.9) 0%,rgba(12,26,22,.35) 48%,rgba(12,26,22,.05) 100%);}
.big-card .body{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:30px;color:#fff;}
.big-card h3{font-size:24px;line-height:1.4;margin:12px 0 10px;}
.big-card p{font-size:14px;color:rgba(255,255,255,.78);margin:0;}
.side-stack{display:flex;flex-direction:column;gap:22px;}
.wide-card{
  display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh-1);flex:1;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.wide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.wide-card img{width:150px;height:104px;object-fit:cover;border-radius:12px;}
.wide-card h3{font-size:17px;line-height:1.45;margin-bottom:8px;}
.wide-card:hover h3{color:var(--grass);}
.wide-card p{font-size:13.5px;color:var(--t2);line-height:1.7;margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ============ grid cards ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pcard{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:block;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.pcard::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--orange);
  transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease);z-index:3;
}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.pcard:hover::before{transform:scaleY(1);}
.pcard:hover h3{color:var(--brand);}
.pcard-img{aspect-ratio:16/10;overflow:hidden;}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.pcard:hover .pcard-img img{transform:scale(1.04);}
.pcard-body{padding:20px 22px 24px;}
.pcard h3{font-size:18px;line-height:1.45;margin:12px 0 10px;transition:color .25s var(--ease);}
.pcard p{font-size:14px;color:var(--t2);line-height:1.75;margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pcard-meta{font-size:13px;color:var(--t3);display:flex;align-items:center;gap:8px;}

/* ============ news list ============ */
.news-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:36px;align-items:start;}
.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:8px 24px;box-shadow:var(--sh-1);}
.news-item{display:grid;grid-template-columns:200px 1fr;gap:22px;padding:24px 0;border-bottom:1px solid var(--line);}
.news-item:last-child{border-bottom:0;}
.news-item img{width:200px;height:130px;object-fit:cover;border-radius:12px;}
.news-item h3{font-size:18px;line-height:1.5;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .25s var(--ease);}
.news-item h3 a:hover{color:var(--grass);}
.news-item p{font-size:14px;color:var(--t2);line-height:1.75;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px;}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 22px 24px;box-shadow:var(--sh-1);}
.side-box h4{font-size:16px;margin-bottom:14px;}
.side-box h4::after{content:"";display:block;width:24px;height:2px;background:var(--orange);margin-top:8px;border-radius:2px;}
.cat-link{display:flex;align-items:center;justify-content:space-between;padding:11px 12px;border-radius:10px;font-size:14.5px;color:var(--t2);transition:background .22s var(--ease),color .22s var(--ease);border-left:3px solid transparent;}
.cat-link:hover{background:var(--paper-2);color:var(--brand);border-left-color:var(--orange);}
.cat-link.active{border-left-color:var(--orange);background:rgba(255,106,43,.07);color:var(--brand);font-weight:600;}
.top-item{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;line-height:1.6;}
.top-item:last-child{border-bottom:0;}
.top-no{font-size:20px;font-weight:800;color:var(--grass-lt);min-width:26px;line-height:1.3;}
.top-item a:hover{color:var(--grass);}
.field{margin-bottom:12px;}
.field label{display:block;font-size:13px;color:var(--t2);margin-bottom:6px;}
.field input{
  width:100%;height:46px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-input);
  background:var(--paper);font-size:14.5px;color:var(--t1);transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.field input::placeholder{color:var(--t3);}
.field input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,43,.18);background:#fff;}
.empty{
  text-align:center;padding:52px 20px;
}
.empty svg{opacity:.35;margin:0 auto 16px;}
.empty p{font-size:15px;color:var(--t2);margin:0 0 18px;}

/* ============ row list ============ */
.rowlist{display:flex;flex-direction:column;gap:0;}
.rowitem{
  display:grid;grid-template-columns:180px 1fr auto;gap:24px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.rowitem:last-child{border-bottom:0;}
.rowitem img{width:180px;height:120px;object-fit:cover;border-radius:12px;}
.rowitem h3{font-size:18px;line-height:1.5;margin-bottom:8px;transition:color .25s var(--ease);}
.rowitem:hover h3{color:var(--grass);}
.rowitem p{font-size:14px;color:var(--t2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rowitem .go{font-size:14px;color:var(--grass);font-weight:600;white-space:nowrap;}

/* ============ faq ============ */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-acc);
  margin-bottom:12px;overflow:hidden;position:relative;box-shadow:var(--sh-1);
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--orange);
  transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease);
}
.faq-item[open]{background:var(--paper);}
.faq-item[open]::before{transform:scaleY(1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-size:17px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:24px;font-weight:400;color:var(--grass);line-height:1;transition:transform .3s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--orange);}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--t2);line-height:1.85;}

/* ============ cta ============ */
.cta-band{
  position:relative;background:var(--ink);color:#fff;padding:64px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.16;
}
.cta-band .wrap{position:relative;z-index:2;}
.cta-inner{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;}
.cta-inner h2{font-size:28px;color:#fff;}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.72);margin:12px 0 0;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  height:48px;min-width:260px;padding:0 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:14.5px;
}
.cta-form input::placeholder{color:rgba(255,255,255,.6);}
.cta-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,240,74,.22);}
.cta-line{height:1px;background:linear-gradient(90deg,var(--lime),rgba(198,240,74,0));margin-top:26px;}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:#fff;padding:72px 0 0;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;padding-bottom:48px;}
.foot-col{position:relative;padding-left:0;}
.foot-col + .foot-col{padding-left:32px;}
.foot-col + .foot-col::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:1px;background:rgba(255,255,255,.08);}
.foot-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-logo svg{width:32px;height:32px;}
.foot-logo span{font-size:18px;font-weight:800;}
.foot-about{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;max-width:280px;}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.75);
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.socials a:hover{background:rgba(198,240,74,.16);color:var(--lime);transform:translateY(-2px);}
.foot-col h5{font-size:15px;font-weight:600;margin-bottom:16px;position:relative;}
.foot-col h5::after{content:"";display:block;width:24px;height:2px;background:var(--orange);margin-top:8px;border-radius:2px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease),transform .2s var(--ease);}
.foot-links a:hover{color:var(--lime);transform:translateX(-2px);}
.foot-contact{font-size:14px;color:rgba(255,255,255,.72);line-height:2;}
.foot-sub{display:flex;gap:10px;margin-top:14px;}
.foot-sub input{
  flex:1;height:44px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:14px;
}
.foot-sub input::placeholder{color:rgba(255,255,255,.5);}
.foot-sub input:focus{outline:none;border-color:var(--lime);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.48);
}
.foot-bottom a{color:rgba(255,255,255,.48);}
.foot-bottom a:hover{color:var(--lime);}
.foot-bottom .sep{margin:0 8px;opacity:.6;}

/* ============ responsive ============ */
@media (max-width:1199px){
  .hero h1{font-size:44px;}
  .grid-4{grid-template-columns:repeat(3,1fr);}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .nav-links,.nav-right .btn-main{display:none;}
  .nav-toggle{display:grid;}
  .sec{padding:56px 0;}
  .hero{min-height:64vh;padding:118px 0 80px;}
  .hero h1{font-size:38px;}
  .collage{grid-template-columns:1fr;}
  .big-card{min-height:340px;}
  .grid-4,.grid-3{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;}
  .side{position:static;}
  .cta-inner{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .foot-col + .foot-col{padding-left:0;}
  .foot-col + .foot-col::before{display:none;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .sec{padding:46px 0;}
  .sec-title{font-size:24px;}
  .hero h1{font-size:31px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{font-size:12.5px;gap:8px;}
  .kpi-grid{grid-template-columns:1fr;}
  .grid-4,.grid-3{grid-template-columns:1fr;}
  .rail-card{flex:0 0 76%;}
  .rail-prev,.rail-next{display:none;}
  .news-item{grid-template-columns:1fr;}
  .news-item img{width:100%;height:180px;}
  .news-list{padding:4px 18px;}
  .rowitem{grid-template-columns:1fr;gap:14px;}
  .rowitem img{width:100%;height:180px;}
  .rowitem .go{display:none;}
  .wide-card{grid-template-columns:120px 1fr;gap:14px;}
  .wide-card img{width:120px;height:86px;}
  .foot-grid{grid-template-columns:1fr;}
  .cta-form input{min-width:0;flex:1;}
  .cta-inner h2{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink:#0C1A16;
  --green:#14322A;
  --grass:#1E6B52;
  --grass-light:#4FA98A;
  --orange:#FF6A2B;
  --orange-light:#FF8248;
  --lime:#C6F04A;
  --paper:#F7F6F2;
  --paper-2:#F0F3F1;
  --line:#E3E1DA;
  --text:#16191A;
  --text-2:#55605C;
  --text-3:#8C948F;
  --white:#FFFFFF;
  --r-card:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,26,22,.06);
  --sh-2:0 8px 24px rgba(12,26,22,.08);
  --sh-3:0 18px 48px rgba(12,26,22,.14);
  --sh-nav:0 6px 28px rgba(12,26,22,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease);}
button,input{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.3em;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px;width:100%;}

/* ---------- 顶部阅读进度 ---------- */
.read-progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:1200;background:linear-gradient(90deg,var(--orange),var(--lime));transition:width .1s linear;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1100;
  height:72px;display:flex;align-items:center;
  background:rgba(12,26,22,.46);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:height .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-solid{
  height:60px;background:rgba(12,26,22,.97);
  backdrop-filter:none;-webkit-backdrop-filter:none;
  box-shadow:var(--sh-nav);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo svg{width:34px;height:34px;flex-shrink:0;}
.logo-text{display:flex;flex-direction:column;line-height:1.05;}
.logo-main{font-size:17px;font-weight:700;color:#fff;letter-spacing:.5px;}
.logo-sub{font-size:11px;letter-spacing:3px;color:var(--lime);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:block;padding:8px 12px;font-size:15px;
  color:rgba(255,255,255,.88);border-radius:8px;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  background:var(--orange);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .25s var(--ease);
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;font-weight:600;}
.nav-links a.nav-home::after{transform:scaleX(0);}
.nav-links .drawer-cta{display:none;}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);
  color:#fff;cursor:pointer;font-size:15px;
  transition:background .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.5);}
.icon-btn:active{transform:translateY(1px);}
.nav-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;cursor:pointer;
  border-radius:var(--r-pill);background:var(--orange);color:var(--ink);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-main:hover{background:var(--orange-light);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-main:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid var(--grass);color:var(--grass);background:transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-ghost:hover{background:rgba(30,107,82,.08);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-glass{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.36);background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.btn-glass:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.link-more{
  font-size:14px;color:var(--grass);font-weight:600;
  background-image:linear-gradient(var(--orange),var(--orange));
  background-repeat:no-repeat;background-size:0 2px;background-position:left 100%;
  padding-bottom:3px;transition:background-size .3s var(--ease),color .25s var(--ease);
}
.link-more:hover{color:var(--orange);background-size:100% 2px;}

/* ---------- 文章头图 ---------- */
.article-hero{
  position:relative;padding:150px 0 68px;color:#fff;
  background:
    linear-gradient(90deg,rgba(12,26,22,.9) 0%,rgba(12,26,22,.72) 55%,rgba(12,26,22,.55) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.article-hero .hero-fade{
  position:absolute;left:0;right:0;bottom:-1px;height:90px;
  background:linear-gradient(180deg,rgba(247,246,242,0) 0%,var(--paper) 100%);
  pointer-events:none;
}
.crumbs{font-size:13px;color:rgba(255,255,255,.72);display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:16px;}
.crumbs a{color:rgba(255,255,255,.72);}
.crumbs a:hover{color:var(--orange);}
.crumbs .cur{color:#fff;font-weight:600;}
.crumbs .sp{opacity:.6;}
.badge-cat{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:13px;color:#fff;letter-spacing:.5px;
}
.article-hero h1{
  font-size:40px;line-height:1.32;font-weight:800;max-width:920px;
  margin:18px 0 20px;letter-spacing:.01em;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.8);}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:var(--lime);display:inline-block;}

/* ---------- 正文主体 ---------- */
.article-section{padding:56px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;align-items:start;}
@media(min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;}
}
.article-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:44px 48px;box-shadow:var(--sh-1);
}
.article-body{max-width:740px;margin:0 auto;font-size:17px;line-height:1.95;color:#1d2220;}
.article-body p{margin:0 0 1.18em;}
.article-body h2{
  font-size:28px;line-height:1.35;font-weight:700;margin:40px 0 16px;
  padding-left:14px;border-left:4px solid var(--orange);
}
.article-body h3{font-size:22px;line-height:1.45;font-weight:600;margin:30px 0 12px;}
.article-body h4{font-size:18px;margin:24px 0 10px;}
.article-body a{color:var(--grass);border-bottom:2px solid rgba(30,107,82,.25);}
.article-body a:hover{color:var(--orange);border-bottom-color:var(--orange);}
.article-body ul{list-style:none;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  background:var(--lime);border-radius:2px;
}
.article-body ol li{margin-bottom:10px;}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;background:var(--paper);
  border-left:4px solid var(--grass);border-radius:0 12px 12px 0;
  color:var(--text-2);font-size:16px;
}
.article-body img{border-radius:12px;margin:26px auto;box-shadow:var(--sh-1);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body pre{
  background:rgba(79,169,138,.12);border-radius:12px;padding:18px 20px;
  overflow-x:auto;font-size:14px;line-height:1.75;margin:22px 0;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#123c2e;
}
.article-body code{
  background:rgba(79,169,138,.14);border-radius:6px;padding:2px 6px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;
}
.article-body pre code{background:none;padding:0;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body thead th{
  background:var(--green);color:#fff;text-align:left;padding:12px 14px;
  font-size:14px;font-weight:600;
}
.article-body thead th:first-child{border-radius:10px 0 0 0;}
.article-body thead th:last-child{border-radius:0 10px 0 0;}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text-2);}
.article-body tbody tr:nth-child(even){background:var(--paper-2);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* 标签与分享 */
.article-foot{margin-top:40px;padding-top:26px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(30,107,82,.08);
  border:1px solid rgba(30,107,82,.22);color:var(--grass);font-size:13px;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.tag:hover{background:var(--grass);color:#fff;}
.act-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;}
.share-group{display:flex;align-items:center;gap:10px;}
.share-group span{font-size:13px;color:var(--text-3);}
.share-btn{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--text-2);cursor:pointer;
  transition:all .25s var(--ease);
}
.share-btn:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px);box-shadow:var(--sh-2);}

/* 空态 */
.empty-state{text-align:center;padding:56px 20px;}
.empty-state svg{width:96px;height:96px;opacity:.35;margin:0 auto 20px;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;}
@media(min-width:1200px){
  .article-side{position:sticky;top:88px;}
}
.side-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.side-box h3{
  font-size:16px;font-weight:700;margin-bottom:14px;padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.toc-list{display:flex;flex-direction:column;}
.toc-list a{
  font-size:14px;color:var(--text-2);padding:7px 0 7px 12px;
  border-left:2px solid var(--line);line-height:1.5;
  transition:all .25s var(--ease);
}
.toc-list a:hover{color:var(--grass);border-left-color:var(--orange);padding-left:16px;}
.side-nav{display:flex;flex-direction:column;gap:2px;}
.side-nav a{
  font-size:14px;color:var(--text-2);padding:9px 12px;border-radius:10px;
  transition:all .25s var(--ease);
}
.side-nav a:hover{background:var(--paper-2);color:var(--grass);padding-left:16px;}
.side-form{display:flex;flex-direction:column;gap:10px;}
.side-form input{
  height:46px;border-radius:var(--r-input);border:1px solid var(--line);
  padding:0 16px;font-size:14px;background:var(--paper);color:var(--text);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.side-form input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,43,.16);}
.side-form .tip{font-size:12px;color:var(--text-3);line-height:1.6;}

/* ---------- 上下篇 ---------- */
.prevnext{padding:72px 0 0;}
.prevnext-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.prevnext-grid{grid-template-columns:1fr 1fr;}}
.pn-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,43,.45);}
.pn-card .pn-label{font-size:12px;letter-spacing:2px;color:var(--orange);font-weight:600;margin-bottom:10px;}
.pn-card h3{font-size:18px;margin-bottom:8px;line-height:1.45;}
.pn-card:hover h3{color:var(--grass);}
.pn-card p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0;}
.pn-card.right{text-align:right;}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.sec-head h2{
  font-size:30px;position:relative;padding-left:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  background:var(--orange);border-radius:2px;
}
.sec-head p{font-size:14px;color:var(--text-2);margin:8px 0 0 16px;}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:576px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:992px){.card-grid{grid-template-columns:repeat(3,1fr);}}
.post-card{
  position:relative;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 .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,107,82,.35);}
.post-card::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;
  background:var(--orange);border-radius:0 3px 3px 0;transform:scaleY(0);
  transform-origin:top;transition:transform .3s var(--ease);
}
.post-card:hover::before{transform:scaleY(1);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper-2);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-thumb .badge-float{
  position:absolute;left:12px;top:12px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:12px;color:#fff;
  background:rgba(12,26,22,.72);backdrop-filter:blur(6px);
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:17px;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover .post-body h3{color:var(--grass);}
.post-body p{
  font-size:14px;line-height:1.75;color:var(--text-2);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--grass-light);display:inline-block;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  margin-top:88px;position:relative;color:#fff;
  background:
    linear-gradient(90deg,rgba(12,26,22,.95) 0%,rgba(12,26,22,.82) 60%,rgba(12,26,22,.7) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.cta-inner{display:flex;flex-direction:column;gap:28px;padding-top:64px;padding-bottom:64px;}
@media(min-width:992px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px;}
}
.cta-text h2{font-size:28px;line-height:1.4;margin-bottom:12px;}
.cta-text p{font-size:15px;color:rgba(255,255,255,.76);margin:0;max-width:520px;}
.cta-text .cta-line{display:block;width:48px;height:3px;background:var(--lime);border-radius:2px;margin-bottom:18px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.cta-form input{
  height:48px;min-width:250px;flex:1;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);
  padding:0 20px;font-size:14px;color:#fff;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.55);}
.cta-form input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,43,.25);}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:0;background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 28px;}
.foot-grid{
  display:grid;grid-template-columns:1fr;gap:36px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);
}
@media(min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:992px){
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:0;}
  .foot-col{padding:0 28px;}
  .foot-col:first-child{padding-left:0;}
  .foot-col:last-child{padding-right:0;}
  .foot-col + .foot-col{border-left:1px solid rgba(255,255,255,.08);}
}
.foot-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-logo svg{width:30px;height:30px;}
.foot-logo span{font-size:17px;font-weight:700;color:#fff;letter-spacing:.5px;}
.foot-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:18px;max-width:300px;}
.socials{display:flex;gap:10px;}
.socials a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.78);font-size:14px;
  transition:all .25s var(--ease);
}
.socials a:hover{background:var(--orange);border-color:var(--orange);color:var(--ink);transform:translateY(-2px);}
.foot-col h5{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;position:relative;padding-bottom:10px;}
.foot-col h5::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--orange);border-radius:2px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);}
.foot-links a:hover{color:var(--lime);transform:translateX(-2px);}
.foot-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);margin-bottom:16px;}
.foot-sub{display:flex;gap:10px;flex-wrap:wrap;}
.foot-sub input{
  flex:1;min-width:150px;height:40px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  padding:0 16px;font-size:13px;color:#fff;
}
.foot-sub input::placeholder{color:rgba(255,255,255,.5);}
.foot-sub input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,43,.2);}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.48);
}
.foot-bottom a{color:rgba(255,255,255,.48);}
.foot-bottom a:hover{color:var(--lime);}
.foot-bottom .sep{margin:0 6px;opacity:.6;}

/* ---------- 移动端 ---------- */
@media(max-width:991px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:78%;max-width:320px;
    background:#0C1A16;flex-direction:column;align-items:stretch;
    padding:88px 24px 32px;gap:0;
    transform:translateX(100%);transition:transform .32s var(--ease);
    box-shadow:-12px 0 40px rgba(12,26,22,.35);overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{
    font-size:16px;width:100%;padding:14px 0;border-radius:0;
    border-bottom:1px solid rgba(255,255,255,.08);color:rgba(255,255,255,.88);
  }
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--lime);}
  .nav-links .drawer-cta{
    display:inline-flex;margin-top:24px;border-bottom:0;
    color:var(--ink);background:var(--orange);border-radius:var(--r-pill);
    justify-content:center;padding:13px 0;font-weight:600;
  }
  .nav-toggle{display:grid;}
  .nav-right .btn-main.btn-sm{display:none;}
}
@media(max-width:767px){
  .wrap{padding:0 20px;}
  .article-hero{padding:118px 0 54px;}
  .article-hero h1{font-size:30px;}
  .article-card{padding:28px 22px;border-radius:14px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:23px;}
  .article-body h3{font-size:19px;}
  .sec-head h2{font-size:24px;}
  .prevnext{padding-top:56px;}
  .related{padding-top:56px;}
  .cta-band{margin-top:64px;}
  .cta-text h2{font-size:23px;}
  .cta-form input{min-width:100%;}
  .cta-form .btn-main{width:100%;}
}
@media(max-width:575px){
  .wrap{padding:0 16px;}
  .article-hero h1{font-size:26px;}
  .logo-sub{letter-spacing:2px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0C1A16;
  --ink-800:#14322A;
  --green-600:#1E6B52;
  --green-400:#4FA98A;
  --orange:#FF6A2B;
  --orange-2:#FF8248;
  --lime:#C6F04A;
  --paper:#F7F6F2;
  --paper-2:#F0F3F1;
  --white:#FFFFFF;
  --line:#E3E1DA;
  --text:#16191A;
  --text-2:#55605C;
  --text-3:#8C948F;
  --r-card:16px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:12px;
  --r-acc:14px;
  --sh-1:0 1px 2px rgba(12,26,22,.06);
  --sh-2:0 8px 24px rgba(12,26,22,.08);
  --sh-3:0 18px 48px rgba(12,26,22,.14);
  --sh-nav:0 6px 28px rgba(12,26,22,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
button,input{font:inherit}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(12,26,22,.42);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 6px 28px rgba(12,26,22,.12);
  transition:background .3s var(--ease),height .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-solid{
  background:rgba(12,26,22,.97);
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  box-shadow:0 6px 28px rgba(12,26,22,.28);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .3s var(--ease)}
.site-header.is-solid .nav-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo svg{width:34px;height:34px;flex:0 0 34px}
.logo-text{display:flex;align-items:baseline;gap:6px;color:#fff;line-height:1}
.logo-main{font-size:18px;font-weight:800;letter-spacing:.01em}
.logo-sub{
  font-size:11px;font-weight:600;letter-spacing:.14em;
  padding:3px 7px;border-radius:999px;
  color:var(--lime);border:1px solid rgba(198,240,74,.4);
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:15px;color:rgba(255,255,255,.88);
  border-radius:8px;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:2px;background:var(--orange);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .28s var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:#fff;font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:999px;cursor:pointer;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:15px;
  transition:background .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.2);transform:translateY(-1px)}
.icon-btn:active{transform:translateY(0)}
.nav-toggle{display:none}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;cursor:pointer;border-radius:var(--r-btn);
  background:var(--orange);color:var(--ink-900);
  font-size:15.5px;font-weight:600;line-height:1;
  transition:background .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-main:hover{background:var(--orange-2);transform:translateY(-2px);box-shadow:var(--sh-3);color:var(--ink-900)}
.btn-main:active{transform:translateY(-1px)}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);cursor:pointer;
  background:transparent;color:#fff;font-size:15.5px;font-weight:600;
  border:1px solid rgba(255,255,255,.36);
  transition:background .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);border-color:rgba(255,255,255,.6)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);cursor:pointer;
  background:transparent;color:var(--green-600);font-size:15px;font-weight:600;
  border:1px solid var(--green-600);
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.btn-outline:hover{background:rgba(30,107,82,.08);transform:translateY(-2px)}
.link-more{
  position:relative;font-size:14.5px;font-weight:600;color:var(--green-600);
  padding-bottom:3px;
  background-image:linear-gradient(var(--orange),var(--orange));
  background-repeat:no-repeat;background-position:left bottom;background-size:0 2px;
  transition:background-size .3s var(--ease),color .25s var(--ease);
}
.link-more:hover{color:var(--ink-800);background-size:100% 2px}

/* ---------- 分类页头 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:152px 0 72px;color:#fff;
  background:
    linear-gradient(90deg,rgba(12,26,22,.95) 0%,rgba(12,26,22,.84) 42%,rgba(20,50,42,.72) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:96px;
  background:linear-gradient(180deg,rgba(247,246,242,0) 0%,rgba(247,246,242,.96) 100%);
  pointer-events:none;
}
.cat-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumb a:hover{color:var(--orange-2)}
.crumb .cur{color:#fff;font-weight:600}
.crumb i{font-size:11px;opacity:.7}
.cat-hero h1{font-size:46px;font-weight:800;letter-spacing:-.02em;max-width:760px}
.cat-hero .lead{margin-top:16px;max-width:640px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.84)}
.cat-hero .hero-stats{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:26px;font-size:13px;color:rgba(255,255,255,.78);
}
.cat-hero .hero-stats .dot{width:5px;height:5px;border-radius:50%;background:var(--lime);display:inline-block}
.cat-hero .hero-stats strong{color:#fff;font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- 区块 ---------- */
.section{padding:76px 0}
.section-alt{background:var(--paper-2)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.sec-title{position:relative;padding-left:16px;font-size:30px}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--orange);
}
.sec-sub{margin-top:10px;font-size:15px;color:var(--text-2);max-width:620px}

/* ---------- 分类布局 ---------- */
.cat-layout{display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:start}
.cat-side{position:sticky;top:96px}
.side-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.side-card h4{font-size:15px;font-weight:600;margin-bottom:14px;color:var(--ink-800)}
.side-nav{display:flex;flex-direction:column;gap:2px}
.side-nav a{
  position:relative;display:block;padding:11px 12px 11px 16px;
  font-size:14.5px;color:var(--text-2);border-radius:10px;
  transition:background .25s var(--ease),color .25s var(--ease),padding-left .25s var(--ease);
}
.side-nav a::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;
  background:var(--orange);opacity:0;transition:opacity .25s var(--ease);
}
.side-nav a:hover{background:var(--paper);color:var(--ink-800);padding-left:20px}
.side-nav a.active{background:var(--paper);color:var(--ink-800);font-weight:600}
.side-nav a.active::before{opacity:1}
.side-note{
  margin-top:18px;padding:16px;border-radius:14px;
  background:var(--ink-800);color:rgba(255,255,255,.82);font-size:13.5px;line-height:1.75;
}
.side-note strong{display:block;color:#fff;font-size:14.5px;margin-bottom:6px}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-c{
  position:relative;overflow:hidden;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.card-c::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--orange);
  transform:scaleY(0);transform-origin:top center;transition:transform .3s var(--ease);
}
.card-c:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d8d5cc}
.card-c:hover::before{transform:scaleY(1)}
.card-media{position:relative;overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .5s var(--ease)}
.card-c:hover .card-media img{transform:scale(1.04)}
.badge-solid{
  position:absolute;left:12px;top:12px;
  padding:5px 11px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--orange);color:#fff;letter-spacing:.02em;
}
.badge-glass{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff;
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.card-title{font-size:17.5px;line-height:1.45;font-weight:700;margin-bottom:8px;transition:color .25s var(--ease)}
.card-c:hover .card-title{color:var(--green-600)}
.card-desc{font-size:14px;line-height:1.75;color:var(--text-2);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--green-400);display:inline-block}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:42px;height:42px;padding:0 14px;border-radius:var(--r-btn);
  font-size:14.5px;color:var(--text-2);background:var(--white);
  border:1px solid var(--line);transition:all .25s var(--ease);
}
.pager a:hover{border-color:var(--green-400);color:var(--green-600);transform:translateY(-2px)}
.pager .cur{background:var(--orange);border-color:var(--orange);color:#fff;font-weight:600}
.pager .dis{opacity:.4;pointer-events:none}

/* ---------- KPI ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.kpi{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.kpi:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.kpi-num{font-size:34px;font-weight:800;line-height:1.1;color:var(--ink-800);font-variant-numeric:tabular-nums}
.kpi-num em{font-style:normal;font-size:16px;color:var(--green-600);margin-left:4px;font-weight:600}
.kpi-label{margin-top:10px;font-size:14px;color:var(--text-2)}
.kpi-line{width:24px;height:3px;border-radius:2px;background:var(--lime);margin-top:14px}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px}
.split:last-child{margin-bottom:0}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-2)}
.split-body h3{font-size:26px;margin-bottom:14px}
.split-body p{font-size:16px;color:var(--text-2);line-height:1.9}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.7}
.check-list i{color:var(--green-600);margin-top:6px;font-size:13px}
.split-rev .split-media{order:2}
.split-rev .split-body{order:1}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d8d5cc}
.scene-ico{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;margin-bottom:16px;
  background:rgba(30,107,82,.1);color:var(--green-600);font-size:18px;
}
.scene h3{font-size:17.5px;margin-bottom:8px}
.scene p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{
  font-size:14px;font-weight:700;color:var(--orange);
  letter-spacing:.08em;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17.5px;margin:10px 0 8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-item{
  background:var(--white);border:1px solid var(--line)!important;
  border-radius:var(--r-acc)!important;overflow:hidden;margin-bottom:12px;
  box-shadow:var(--sh-1);
}
.accordion-button{
  display:flex;align-items:center;gap:14px;
  width:100%;padding:19px 22px;font-size:17px;font-weight:600;color:var(--text);
  background:var(--white);border:0;border-radius:var(--r-acc)!important;
  box-shadow:none!important;transition:background .25s var(--ease),color .25s var(--ease);
}
.accordion-button:not(.collapsed){background:var(--paper);color:var(--green-600)}
.accordion-button::after{display:none!important}
.accordion-button .acc-ico{position:relative;flex:0 0 18px;width:18px;height:18px;margin-left:auto}
.accordion-button .acc-ico::before,
.accordion-button .acc-ico::after{
  content:"";position:absolute;background:var(--orange);border-radius:2px;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.accordion-button .acc-ico::before{left:0;top:8px;width:18px;height:2px}
.accordion-button .acc-ico::after{left:8px;top:0;width:2px;height:18px}
.accordion-button:not(.collapsed) .acc-ico::after{transform:rotate(90deg);opacity:0}
.accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--text-2)}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:4px solid var(--orange)!important}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-900);color:#fff;padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.16;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.cta-inner h2{font-size:28px;margin-bottom:12px}
.cta-inner p{font-size:15.5px;color:rgba(255,255,255,.78);max-width:460px}
.cta-form{display:flex;gap:10px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 240px;height:48px;padding:0 18px;border-radius:var(--r-input);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:15px;outline:none;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,43,.25)}
.cta-tip{margin-top:12px;font-size:13px;color:rgba(255,255,255,.55)}
.cta-line{display:inline-block;width:26px;height:2px;background:var(--lime);vertical-align:middle;margin-right:10px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px}
.foot-col{position:relative}
.foot-col+.foot-col{padding-left:32px}
.foot-col+.foot-col::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:1px;background:rgba(255,255,255,.08);
}
.foot-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.foot-logo svg{width:30px;height:30px}
.foot-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:999px;font-size:14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.8);
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.socials a:hover{background:rgba(198,240,74,.16);color:var(--lime);transform:translateY(-2px)}
.site-footer h5{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;position:relative;padding-bottom:12px}
.site-footer h5::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--orange)}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .25s var(--ease),transform .25s var(--ease)}
.foot-links a:hover{color:var(--lime);transform:translateX(-2px)}
.foot-contact{font-size:14px;line-height:2;color:rgba(255,255,255,.68);margin-bottom:16px}
.foot-sub{display:flex;gap:8px}
.foot-sub input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:14px;outline:none;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.foot-sub input::placeholder{color:rgba(255,255,255,.45)}
.foot-sub input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,43,.22)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.48);
}
.foot-bottom a{color:rgba(255,255,255,.6)}
.foot-bottom a:hover{color:var(--lime)}
.foot-bottom .sep{margin:0 8px;opacity:.5}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .wrap{padding:0 20px}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:78%;max-width:320px;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:92px 22px 28px;margin:0;
    background:var(--ink-800);border-left:1px solid rgba(255,255,255,.1);
    transform:translateX(100%);transition:transform .32s var(--ease);
    box-shadow:-18px 0 48px rgba(12,26,22,.4);overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{padding:12px 8px;font-size:16px;line-height:1.9;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--orange-2)}
  .nav-toggle{display:inline-flex}
  .nav-right .btn-main{display:none}
  .cat-hero{padding:132px 0 64px}
  .cat-hero h1{font-size:34px}
  .cat-layout{grid-template-columns:1fr;gap:28px}
  .cat-side{position:static}
  .side-nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px}
  .side-nav a{white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:9px 16px}
  .side-nav a::before{display:none}
  .side-nav a:hover,.side-nav a.active{background:var(--ink-800);color:#fff;border-color:var(--ink-800);padding-left:16px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:24px;margin-bottom:48px}
  .split-rev .split-media{order:1}
  .split-rev .split-body{order:2}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .foot-col+.foot-col{padding-left:0}
  .foot-col+.foot-col::before{display:none}
  .section{padding:56px 0}
  .sec-title{font-size:26px}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .logo-main{font-size:16px}
  .cat-hero h1{font-size:30px}
  .cat-hero .lead{font-size:15.5px}
  .section{padding:44px 0}
  .grid-3{grid-template-columns:1fr}
  .kpi-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-form input{flex:1 1 100%}
  .cta-form .btn-main{width:100%}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink:#0C1A16;
  --brand:#14322A;
  --green:#1E6B52;
  --green-light:#4FA98A;
  --orange:#FF6A2B;
  --orange-light:#FF8248;
  --lime:#C6F04A;
  --paper:#F7F6F2;
  --paper-2:#F0F3F1;
  --white:#FFFFFF;
  --line:#E3E1DA;
  --text:#16191A;
  --text-2:#55605C;
  --text-3:#8C948F;
  --r-card:16px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:12px;
  --r-acc:14px;
  --sh-1:0 1px 2px rgba(12,26,22,.06);
  --sh-2:0 8px 24px rgba(12,26,22,.08);
  --sh-3:0 18px 48px rgba(12,26,22,.14);
  --sh-nav:0 6px 28px rgba(12,26,22,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(12,26,22,.42);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 4px 22px rgba(12,26,22,.16);
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.scrolled{
  background:rgba(12,26,22,.97);
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  box-shadow:var(--sh-nav);
  border-bottom-color:rgba(255,255,255,.08);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .3s var(--ease);}
.site-header.scrolled .nav-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;color:#fff;flex-shrink:0;}
.logo svg{width:34px;height:34px;flex-shrink:0;transition:transform .35s var(--ease);}
.logo:hover svg{transform:translateY(-2px);}
.logo-text{display:flex;align-items:baseline;gap:6px;white-space:nowrap;}
.logo-main{font-size:18px;font-weight:800;letter-spacing:.6px;}
.logo-sub{font-size:11px;font-weight:600;line-height:1;padding:3px 7px;border:1px solid rgba(255,255,255,.34);border-radius:999px;color:rgba(255,255,255,.82);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:inline-block;padding:10px 12px;font-size:14.5px;font-weight:500;
  color:rgba(255,255,255,.88);border-radius:8px;transition:color .25s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;font-weight:600;}
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;cursor:pointer;transition:background .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.4);transform:translateY(-1px);}
.nav-toggle{display:none;}

/* ---------- buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:none;border-radius:var(--r-btn);
  background:var(--orange);color:var(--ink);font-size:15.5px;font-weight:600;
  cursor:pointer;white-space:nowrap;box-shadow:var(--sh-1);
  transition:background .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-main:hover{background:var(--orange-light);transform:translateY(-2px);box-shadow:var(--sh-3);color:var(--ink);}
.btn-main:active{transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.36);background:transparent;
  color:#fff;font-size:15.5px;font-weight:600;cursor:pointer;
  transition:background .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);transform:translateY(-2px);color:#fff;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;
  border-radius:var(--r-btn);border:1px solid var(--brand);background:transparent;
  color:var(--brand);font-size:15px;font-weight:600;cursor:pointer;
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.btn-outline:hover{background:rgba(20,50,42,.08);transform:translateY(-2px);color:var(--brand);}
.link-more{
  font-size:14.5px;font-weight:600;color:var(--green);position:relative;padding-bottom:3px;
  background-image:linear-gradient(var(--orange),var(--orange));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
  transition:background-size .3s var(--ease),color .25s var(--ease);
}
.link-more:hover{color:var(--brand);background-size:100% 2px;}

/* ---------- badges ---------- */
.badge-solid,.badge-line,.badge-glass{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:999px;white-space:nowrap;
}
.badge-solid{background:var(--orange);color:#fff;}
.badge-line{border:1px solid var(--green);background:rgba(30,107,82,.08);color:var(--green);}
.badge-glass{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff;font-weight:500;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;padding:134px 0 56px;
  background:var(--ink) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(12,26,22,.95) 0%,rgba(12,26,22,.82) 42%,rgba(12,26,22,.5) 100%);
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:90px;
  background:linear-gradient(180deg,rgba(12,26,22,0) 0%,rgba(247,246,242,.98) 100%);
}
.cat-hero .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;min-height:300px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.crumb a{transition:color .22s var(--ease);}
.crumb a:hover{color:var(--orange);}
.crumb .sep{opacity:.6;}
.crumb .now{color:#fff;font-weight:600;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.cat-hero h1{font-size:44px;font-weight:800;color:#fff;letter-spacing:.5px;margin-bottom:16px;}
.hero-lead{font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.82);max-width:520px;margin-bottom:22px;}
.hero-stats{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.72);}
.hero-stats .dot{width:5px;height:5px;border-radius:50%;background:var(--lime);display:inline-block;}
.hero-stats strong{color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}
.hero-figure{
  border-radius:var(--r-card);overflow:hidden;border:1px solid rgba(255,255,255,.18);
  box-shadow:var(--sh-3);aspect-ratio:16/10;background:var(--brand);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}

/* ---------- sections ---------- */
.section{padding:80px 0;}
.section.alt{background:var(--paper-2);}
.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-title{position:relative;padding-left:16px;font-size:30px;font-weight:700;color:var(--text);}
.sec-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--orange);}
.sec-sub{font-size:15px;color:var(--text-2);margin-top:12px;max-width:720px;line-height:1.85;}
.dark .sec-title{color:#fff;}
.dark .sec-sub{color:rgba(255,255,255,.72);}

/* ---------- KPI ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.kpi{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.kpi:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d8d5cb;}
.kpi .num{font-size:34px;font-weight:800;color:var(--green);line-height:1.1;font-variant-numeric:tabular-nums;}
.kpi .num em{font-size:15px;font-style:normal;font-weight:600;color:var(--text-3);margin-left:4px;}
.kpi h3{font-size:17px;margin:12px 0 8px;color:var(--text);}
.kpi p{font-size:14px;line-height:1.75;color:var(--text-2);margin:0;}

/* ---------- review list ---------- */
.review-list{border-top:1px solid var(--line);}
.review-item{
  display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:flex-start;
  padding:28px 0;border-bottom:1px solid var(--line);
  transition:background .3s var(--ease);
}
.review-item:hover{background:linear-gradient(90deg,rgba(255,106,43,.07),rgba(255,106,43,0) 62%);}
.review-thumb{width:260px;height:160px;border-radius:var(--r-img);overflow:hidden;background:var(--paper-2);flex-shrink:0;}
.review-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.review-item:hover .review-thumb img{transform:scale(1.05);}
.review-body{min-width:0;}
.review-body .badge-line{margin-bottom:10px;}
.review-body h3{font-size:20px;line-height:1.45;margin-bottom:10px;transition:color .25s var(--ease);}
.review-item:hover .review-body h3{color:var(--brand);}
.review-body p{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:12px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--green-light);display:inline-block;}
.list-foot{margin-top:32px;display:flex;justify-content:center;}

/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.scene{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.scene::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--orange);
  transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease);
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.scene:hover::before{transform:scaleY(1);}
.scene .sicon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(30,107,82,.1);color:var(--green);font-size:18px;margin-bottom:16px;
}
.scene h3{font-size:18px;margin-bottom:10px;}
.scene p{font-size:14.5px;line-height:1.8;color:var(--text-2);margin:0;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{position:relative;padding-top:26px;border-top:1px solid rgba(255,255,255,.18);}
.step .idx{
  font-size:26px;font-weight:800;color:var(--lime);line-height:1;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:17.5px;color:#fff;margin-bottom:10px;}
.step p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.72);margin:0;}

/* ---------- data table ---------- */
.data-table{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.data-row{display:grid;grid-template-columns:.9fr 1.7fr 1fr;gap:20px;padding:18px 24px;border-bottom:1px solid var(--line);align-items:center;}
.data-row:last-child{border-bottom:none;}
.data-row.head{background:var(--brand);color:#fff;font-size:14px;font-weight:600;border-bottom:none;}
.data-row .dim{font-size:15px;font-weight:600;color:var(--text);}
.data-row .desc{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.data-row .way{font-size:13.5px;color:var(--green);font-weight:600;}
.data-row.head .dim,.data-row.head .desc,.data-row.head .way{color:#fff;font-weight:600;}
.data-row:not(.head):hover{background:var(--paper);}

/* ---------- faq ---------- */
.faq{max-width:880px;}
.faq details{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-acc);
  margin-bottom:12px;overflow:hidden;transition:background .25s var(--ease),border-color .25s var(--ease);
}
.faq details[open]{background:var(--paper);border-color:#d8d5cb;}
.faq details[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--orange);}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:17px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--orange);line-height:1;
  transition:transform .28s var(--ease);
}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq .ans{padding:0 22px 20px;font-size:15.5px;line-height:1.9;color:var(--text-2);}

/* ---------- cta ---------- */
.cta-band{
  position:relative;background:var(--ink) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  padding:64px 0;
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,26,22,.96),rgba(12,26,22,.8));}
.cta-band .wrap{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.cta-grid h2{font-size:28px;color:#fff;margin-bottom:12px;}
.cta-grid .cta-text{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.76);max-width:520px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 220px;height:48px;padding:0 18px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.12);
  color:#fff;font-size:15px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.6);}
.cta-form input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,43,.28);background:rgba(255,255,255,.18);}
.form-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:14px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;padding-top:72px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;padding:0 0 40px;}
.foot-col + .foot-col{border-left:1px solid rgba(255,255,255,.08);padding-left:32px;}
.foot-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:16px;}
.foot-logo svg{width:32px;height:32px;}
.foot-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:300px;margin-bottom:20px;}
.socials{display:flex;gap:10px;}
.socials a{
  width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:rgba(255,255,255,.8);
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.socials a:hover{background:rgba(198,240,74,.16);color:var(--lime);transform:translateY(-2px);}
.foot-col h5{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px;}
.foot-col h5::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;border-radius:2px;background:var(--orange);}
.foot-links a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:5px 0;transition:color .22s var(--ease),transform .22s var(--ease);}
.foot-links a:hover{color:var(--lime);transform:translateX(2px);}
.foot-contact{font-size:14px;color:rgba(255,255,255,.72);line-height:1.9;margin-bottom:16px;}
.foot-sub{display:flex;gap:10px;}
.foot-sub input{
  flex:1;min-width:0;height:42px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;font-size:14px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.foot-sub input::placeholder{color:rgba(255,255,255,.5);}
.foot-sub input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,43,.24);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}
.foot-bottom a{color:rgba(255,255,255,.6);transition:color .22s var(--ease);}
.foot-bottom a:hover{color:var(--lime);}
.foot-bottom .sep{margin:0 8px;opacity:.5;}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:32px;width:46px;height:46px;border-radius:50%;border:none;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;
  cursor:pointer;box-shadow:var(--sh-2);z-index:90;opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease),background .25s var(--ease),transform .25s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--orange);color:var(--ink);transform:translateY(-3px);}

/* ---------- drawer ---------- */
.mask{
  position:fixed;inset:0;background:rgba(12,26,22,.58);z-index:150;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:78%;max-width:320px;z-index:200;
  background:var(--ink);padding:24px 22px 28px;overflow-y:auto;
  transform:translateX(100%);transition:transform .32s var(--ease);
  display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-top span{font-size:16px;font-weight:700;color:#fff;}
.drawer a.d-link{
  display:block;font-size:16px;line-height:1.9;color:rgba(255,255,255,.86);
  padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);transition:color .22s var(--ease);
}
.drawer a.d-link:hover,.drawer a.d-link.active{color:var(--lime);}
.drawer .d-cta{margin-top:auto;padding-top:22px;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .cat-hero h1{font-size:38px;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-right .btn-main{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:28px;min-height:0;}
  .cat-hero{padding:120px 0 48px;}
  .cat-hero h1{font-size:34px;}
  .hero-lead{max-width:100%;}
  .section{padding:56px 0;}
  .sec-title{font-size:26px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:26px;}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .foot-col + .foot-col{border-left:none;padding-left:0;}
  .foot-col:nth-child(even){border-left:1px solid rgba(255,255,255,.08);padding-left:28px;}
  .data-row{grid-template-columns:1fr 1.6fr;gap:14px;}
  .data-row .way{grid-column:1 / -1;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .cat-hero{padding:110px 0 44px;}
  .cat-hero h1{font-size:30px;}
  .hero-figure{aspect-ratio:16/9;}
  .kpi-grid{grid-template-columns:1fr;}
  .review-item{grid-template-columns:1fr;gap:16px;padding:24px 0;}
  .review-thumb{width:100%;height:190px;}
  .scene-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:18px;}
  .data-row{grid-template-columns:1fr;gap:8px;padding:16px 18px;}
  .data-row.head{display:none;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-col:nth-child(even){border-left:none;padding-left:0;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:20px;width:42px;height:42px;}
}
@media (max-width:520px){
  .logo-main{font-size:16px;}
  .logo-sub{display:none;}
  .section{padding:44px 0;}
  .sec-title{font-size:23px;}
  .cta-grid h2{font-size:23px;}
  .btn-main,.btn-ghost{width:100%;}
  .hero-badges{gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category2 */
:root{
  --ink:#0C1A16;
  --brand:#14322A;
  --grass:#1E6B52;
  --grass-l:#4FA98A;
  --orange:#FF6A2B;
  --orange-l:#FF8248;
  --lime:#C6F04A;
  --paper:#F7F6F2;
  --paper-2:#F0F3F1;
  --white:#FFFFFF;
  --line:#E3E1DA;
  --text:#16191A;
  --muted:#55605C;
  --meta:#8C948F;
  --r-card:16px;
  --r-acc:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,26,22,.06);
  --sh-2:0 8px 24px rgba(12,26,22,.08);
  --sh-3:0 18px 48px rgba(12,26,22,.14);
  --sh-nav:0 6px 28px rgba(12,26,22,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1200;height:72px;
  background:rgba(12,26,22,.42);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:var(--sh-2);
  transition:height .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-stuck{
  height:60px;background:rgba(12,26,22,.97);
  -webkit-backdrop-filter:none;backdrop-filter:none;
  box-shadow:var(--sh-nav);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:100%}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo svg{width:34px;height:34px;flex-shrink:0}
.logo-text{display:inline-flex;align-items:baseline;gap:6px;color:#fff}
.logo-main{font-size:19px;font-weight:800;letter-spacing:.5px}
.logo-sub{font-size:11px;letter-spacing:2px;color:var(--lime);border:1px solid rgba(198,240,74,.5);border-radius:4px;padding:0 5px;line-height:1.5}
.nav-links{display:flex;align-items:center;gap:26px;margin:0 auto}
.nav-links a{
  position:relative;color:rgba(255,255,255,.88);font-size:15px;padding:8px 2px;
  transition:color .25s var(--ease);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:3px;border-radius:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:#fff;font-weight:600}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.4);transform:translateY(-1px)}
.nav-toggle{display:none}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  background:var(--orange);color:var(--ink);font-size:15.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;box-shadow:var(--sh-1);
  transition:background .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease),color .25s var(--ease);
}
.btn-main:hover{background:var(--orange-l);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-main:active{transform:translateY(1px);box-shadow:var(--sh-1)}
.btn-main:disabled{opacity:.72;cursor:default;transform:none}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;
  font-size:15.5px;font-weight:600;cursor:pointer;
  transition:background .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-line{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--grass);
  background-image:linear-gradient(var(--orange),var(--orange));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
  padding-bottom:3px;transition:background-size .28s var(--ease),color .25s var(--ease);
}
.btn-line:hover{background-size:100% 2px;color:var(--orange)}

/* ---------- 面包屑与徽章 ---------- */
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);justify-content:center;margin-bottom:20px;flex-wrap:wrap}
.crumbs a{transition:color .22s var(--ease)}
.crumbs a:hover{color:var(--orange)}
.crumbs .cur{color:#fff;font-weight:600}
.badge-glass{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;margin-bottom:18px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:13px;letter-spacing:.5px;
}
.badge-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;background:rgba(30,107,82,.1);color:var(--grass);border:1px solid rgba(30,107,82,.22);
}
.badge-solid{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;background:var(--orange);color:#fff}

/* ---------- 分类页头 ---------- */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;text-align:center;
  padding:152px 0 76px;
  background:linear-gradient(115deg,rgba(12,26,22,.94),rgba(20,50,42,.82)),
             url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:90px;
  background:linear-gradient(to bottom,rgba(247,246,242,0),var(--paper));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.cat-hero h1{font-size:50px;font-weight:800;letter-spacing:1px;margin-bottom:16px}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:660px;margin:0 auto 26px}
.hero-stats{display:flex;justify-content:center;flex-wrap:wrap;gap:12px 22px;font-size:13px;color:rgba(255,255,255,.75)}
.hero-stats li{display:flex;align-items:center;gap:8px}
.hero-stats li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);flex-shrink:0}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:30px}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section.alt{background:var(--paper-2)}
.section.dark{background:var(--ink);color:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-title{position:relative;padding-left:16px;font-size:30px;font-weight:800;letter-spacing:.5px}
.sec-title::before{content:"";position:absolute;left:0;top:.16em;width:4px;height:.84em;border-radius:2px;background:var(--orange)}
.sec-desc{margin-top:12px;font-size:15.5px;color:var(--muted);max-width:760px;line-height:1.85}
.section.dark .sec-desc{color:rgba(255,255,255,.72)}

/* ---------- KPI ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.kpi{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.kpi:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.kpi b{display:block;font-size:34px;font-weight:800;color:var(--brand);letter-spacing:-.5px;font-variant-numeric:tabular-nums;line-height:1.2}
.kpi span{display:block;margin-top:6px;font-size:14px;color:var(--muted)}

/* ---------- 功能卡 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.f-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;position:relative;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.f-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--orange);transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease);z-index:3}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.f-card:hover::before{transform:scaleY(1)}
.f-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.f-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.f-card:hover .f-thumb img{transform:scale(1.04)}
.f-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.f-body h3{font-size:18px;font-weight:700;transition:color .25s var(--ease)}
.f-card:hover .f-body h3{color:var(--grass)}
.f-body p{font-size:14.5px;line-height:1.8;color:var(--muted)}

/* ---------- 筛选标签 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  height:38px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--white);color:var(--muted);font-size:14px;cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.chip:hover{border-color:var(--grass-l);color:var(--grass);transform:translateY(-1px)}
.chip.active{background:var(--orange);border-color:var(--orange);color:#fff;font-weight:600}

/* ---------- 1 大 2 小拼贴 ---------- */
.mosaic{display:grid;grid-template-columns:7fr 5fr;gap:22px}
.m-side{display:grid;gap:22px}
.m-lg{
  position:relative;border-radius:var(--r-card);overflow:hidden;min-height:420px;
  display:flex;align-items:flex-end;color:#fff;box-shadow:var(--sh-1);
}
.m-lg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.m-lg:hover img{transform:scale(1.04)}
.m-lg::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(12,26,22,.94) 4%,rgba(12,26,22,.35) 52%,rgba(12,26,22,.05) 100%)}
.m-lg .m-body{position:relative;z-index:2;padding:32px}
.m-lg h3{font-size:24px;font-weight:800;margin:12px 0 10px}
.m-lg p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.82);max-width:520px}
.m-sm{
  display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:16px;
  box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.m-sm:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.m-sm .m-thumb{border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:var(--paper-2)}
.m-sm .m-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.m-sm:hover .m-thumb img{transform:scale(1.05)}
.m-sm h3{font-size:17.5px;font-weight:700;margin:10px 0 6px;transition:color .25s var(--ease)}
.m-sm:hover h3{color:var(--grass)}
.m-sm p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- 宽卡（左图右文） ---------- */
.wide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.wide-card{
  display:grid;grid-template-columns:230px 1fr;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.wide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.wide-card .w-thumb{overflow:hidden;background:var(--paper-2)}
.wide-card .w-thumb img{width:100%;height:100%;min-height:200px;object-fit:cover;transition:transform .55s var(--ease)}
.wide-card:hover .w-thumb img{transform:scale(1.05)}
.wide-body{padding:24px;display:flex;flex-direction:column;gap:10px}
.wide-body h3{font-size:19px;font-weight:700;transition:color .25s var(--ease)}
.wide-card:hover .wide-body h3{color:var(--grass)}
.wide-body p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.wide-meta{display:flex;gap:14px;font-size:13px;color:var(--meta);margin-top:auto;padding-top:10px}

/* ---------- 场景网格 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.scene{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;
  box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.scene i{font-size:22px;color:var(--grass);margin-bottom:16px;display:block}
.scene h3{font-size:17.5px;font-weight:700;margin-bottom:10px}
.scene p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;
  position:relative;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step .num{
  width:40px;height:40px;border-radius:50%;background:var(--brand);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
  margin-bottom:18px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17.5px;font-weight:700;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq{max-width:920px;margin:0 auto;display:grid;gap:12px}
.faq details{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-acc);
  overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq details:hover{box-shadow:var(--sh-2)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px 20px 22px;font-size:17px;font-weight:600;color:var(--text);
  border-left:4px solid transparent;transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--grass);transition:transform .28s var(--ease),color .28s var(--ease)}
.faq details[open] summary{background:var(--paper);border-left-color:var(--orange);color:var(--brand)}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--orange)}
.faq .ans{padding:2px 24px 22px 22px;font-size:15.5px;line-height:1.9;color:var(--muted)}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;padding:76px 0;
  background:linear-gradient(110deg,rgba(12,26,22,.96),rgba(20,50,42,.88)),
             url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-band::before{
  content:"";position:absolute;left:8%;bottom:18px;width:120px;height:1px;background:var(--lime);opacity:.55;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.cta-inner h2{font-size:30px;font-weight:800;margin-bottom:12px}
.cta-inner p{font-size:15.5px;color:rgba(255,255,255,.78);max-width:520px}
.cta-form{
  display:flex;gap:10px;align-items:center;padding:6px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.26);
}
.cta-form input{
  flex:1;min-width:0;height:44px;padding:0 18px;border:0;background:transparent;color:#fff;outline:none;font-size:15px;
}
.cta-form input::placeholder{color:rgba(255,255,255,.6)}
.cta-note{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:64px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:48px}
.foot-col + .foot-col{border-left:1px solid rgba(255,255,255,.08);padding-left:36px}
.foot-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px}
.foot-logo svg{width:32px;height:32px}
.foot-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.8);
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.socials a:hover{background:var(--grass);color:#fff;border-color:var(--grass);transform:translateY(-2px)}
.foot-col h5{position:relative;font-size:15px;font-weight:600;color:#fff;padding-bottom:12px;margin-bottom:16px}
.foot-col h5::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--orange);border-radius:2px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .25s var(--ease),transform .25s var(--ease)}
.foot-links a:hover{color:var(--lime);transform:translateX(-2px)}
.foot-contact{font-size:14px;display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.foot-sub{display:flex;gap:10px;align-items:center;padding:5px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18)}
.foot-sub input{flex:1;min-width:0;height:38px;padding:0 16px;border:0;background:transparent;color:#fff;outline:none;font-size:14px}
.foot-sub input::placeholder{color:rgba(255,255,255,.55)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.48);
}
.foot-bottom-links{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.foot-bottom-links a{transition:color .22s var(--ease)}
.foot-bottom-links a:hover{color:var(--lime)}
.foot-bottom .sep{color:rgba(255,255,255,.28)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .feature-grid{grid-template-columns:repeat(3,1fr)}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .wrap{padding:0 20px}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:78%;max-width:320px;
    flex-direction:column;align-items:flex-start;gap:0;margin:0;
    padding:86px 24px 24px;overflow-y:auto;
    background:rgba(12,26,22,.98);border-left:1px solid rgba(255,255,255,.1);
    transform:translateX(100%);transition:transform .3s var(--ease);z-index:1300;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{width:100%;padding:14px 0;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-links a::after{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{gap:14px}
  .section{padding:60px 0}
  .cat-hero{padding:132px 0 62px}
  .cat-hero h1{font-size:38px}
  .hero-sub{font-size:16px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .sec-title{font-size:26px}
  .mosaic{grid-template-columns:1fr}
  .m-lg{min-height:340px}
  .wide-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .foot-col + .foot-col{border-left:0;padding-left:0}
  .site-footer{padding-top:52px}
}
@media (max-width:767.98px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .wide-card{grid-template-columns:1fr}
  .wide-card .w-thumb img{min-height:180px;height:180px}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .nav-right .icon-btn:not(.nav-toggle){display:none}
  .site-header{height:64px}
  .cat-hero{padding:118px 0 54px}
  .cat-hero h1{font-size:30px;letter-spacing:0}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .feature-grid,.kpi-grid,.scene-grid,.steps{grid-template-columns:1fr}
  .m-sm{grid-template-columns:1fr}
  .m-sm .m-thumb{aspect-ratio:16/9}
  .section{padding:48px 0}
  .sec-title{font-size:23px}
  .cta-form{flex-direction:column;border-radius:var(--r-acc);padding:12px}
  .cta-form input{width:100%;height:44px;padding:0;text-align:center}
  .cta-form .btn-main{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-sub{flex-direction:column;border-radius:var(--r-acc);padding:10px}
  .foot-sub input{width:100%;text-align:center}
  .foot-sub .btn-main{width:100%}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
  --ink:#0C1A16;
  --green-900:#14322A;
  --green-700:#1E6B52;
  --green-400:#4FA98A;
  --orange:#FF6A2B;
  --orange-400:#FF8248;
  --lime:#C6F04A;
  --paper:#F7F6F2;
  --paper-2:#F0F3F1;
  --white:#FFFFFF;
  --line:#E3E1DA;
  --t1:#16191A;
  --t2:#55605C;
  --t3:#8C948F;
  --r-card:16px;
  --r-pill:999px;
  --r-input:12px;
  --r-img:12px;
  --sh1:0 1px 2px rgba(12,26,22,.06);
  --sh2:0 8px 24px rgba(12,26,22,.08);
  --sh3:0 18px 48px rgba(12,26,22,.14);
  --sh-nav:0 6px 28px rgba(12,26,22,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.9;color:var(--t1);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;font-weight:800;letter-spacing:.2px}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(12,26,22,.42);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 6px 28px rgba(12,26,22,.12);
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.scrolled{
  background:rgba(12,26,22,.97);
  backdrop-filter:none;-webkit-backdrop-filter:none;
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:0 10px 32px rgba(12,26,22,.28);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .3s var(--ease)}
.site-header.scrolled .nav-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo svg{width:34px;height:34px;flex:0 0 auto}
.logo-text{display:flex;align-items:baseline;gap:6px;color:#fff;line-height:1}
.logo-main{font-size:19px;font-weight:800;letter-spacing:.5px}
.logo-sub{font-size:11px;font-weight:500;color:var(--lime);letter-spacing:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;flex-wrap:nowrap}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:rgba(255,255,255,.88);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:#fff;font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.icon-btn:hover{background:var(--orange);color:var(--ink);border-color:var(--orange);transform:translateY(-2px)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  background:var(--orange);color:var(--ink);font-size:15px;font-weight:700;letter-spacing:.3px;
  box-shadow:var(--sh2);transition:background .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-main:hover{background:var(--orange-400);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh3)}
.btn-main:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.36);color:#fff;background:transparent;font-size:15px;font-weight:600;
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-line{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--green-700);
  border:1px solid var(--green-700);border-radius:var(--r-pill);height:42px;padding:0 20px;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.btn-line:hover{background:rgba(30,107,82,.08);color:var(--green-700);transform:translateY(-2px)}
.link-more{
  font-size:14px;font-weight:600;color:var(--green-700);padding-bottom:2px;
  background-image:linear-gradient(var(--orange),var(--orange));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
  transition:background-size .3s var(--ease),color .25s var(--ease);
}
.link-more:hover{color:var(--orange);background-size:100% 2px}
.nav-toggle{display:none}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:1200;visibility:hidden;opacity:0;transition:opacity .3s var(--ease),visibility .3s var(--ease)}
.drawer.open{visibility:visible;opacity:1}
.drawer-mask{position:absolute;inset:0;background:rgba(12,26,22,.55);backdrop-filter:blur(2px)}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:78%;max-width:320px;
  background:linear-gradient(180deg,#0C1A16 0%,#14322A 100%);
  border-left:1px solid rgba(255,255,255,.12);
  padding:24px 22px;display:flex;flex-direction:column;gap:22px;
  transform:translateX(100%);transition:transform .35s var(--ease);overflow-y:auto;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-head span{color:#fff;font-size:17px;font-weight:800}
.drawer-head button{color:rgba(255,255,255,.8);font-size:20px;width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.2)}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{padding:12px 4px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.82);border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-nav a.active{color:#fff;font-weight:700;box-shadow:inset 3px 0 0 var(--orange);padding-left:12px}
.drawer-nav a:hover{color:var(--lime);padding-left:12px}
.drawer-foot{margin-top:auto}

/* ============ 分类页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  min-height:336px;
  padding:132px 0 104px;
  background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(12,26,22,.95) 0%,rgba(20,50,42,.88) 48%,rgba(12,26,22,.6) 100%);
}
.page-hero .wrap{position:relative;z-index:2}
.hero-curve{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:92px;z-index:3;display:block}
.crumb{font-size:13px;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.crumb i{font-size:14px;color:var(--green-400)}
.crumb a:hover{color:var(--orange)}
.crumb .sep{color:rgba(255,255,255,.4)}
.crumb .cur{color:#fff;font-weight:700}
.page-hero h1{font-size:44px;color:#fff;letter-spacing:.5px;max-width:760px}
.page-hero .hero-sub{margin-top:16px;font-size:16px;line-height:1.75;color:rgba(255,255,255,.78);max-width:620px}
.hero-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:26px;font-size:13px;color:rgba(255,255,255,.72)}
.hero-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--lime);flex:0 0 auto}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.badge-glass{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#fff;
  padding:6px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section.tight{padding:72px 0}
.bg-paper2{background:var(--paper-2)}
.bg-white{background:var(--white)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{
  font-size:30px;position:relative;padding-left:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;width:4px;height:.9em;border-radius:2px;background:var(--orange);
}
.sec-head .sec-desc{margin-top:10px;font-size:15px;color:var(--t2);max-width:640px;line-height:1.8}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);
  color:var(--green-700);background:rgba(30,107,82,.08);border:1px solid rgba(30,107,82,.22);
}
.tag-orange{color:#fff;background:var(--orange);border-color:var(--orange)}
.tag-dark{color:#fff;background:var(--green-900);border-color:var(--green-900)}

/* 看点卡 */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feat-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh1);position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.feat-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--orange);
  transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease);
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(30,107,82,.28)}
.feat-card:hover::before{transform:scaleY(1)}
.feat-card .fc-ico{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(30,107,82,.08);color:var(--green-700);font-size:18px;margin-bottom:18px;
}
.feat-card h3{font-size:18px;margin-bottom:10px}
.feat-card p{font-size:14px;line-height:1.8;color:var(--t2)}
.feat-card .fc-num{margin-top:16px;font-size:13px;color:var(--t3);display:flex;align-items:center;gap:8px}
.feat-card .fc-num b{color:var(--green-700);font-size:18px;font-weight:800}

/* KPI 条 */
.kpi-band{background:var(--green-900);border-radius:var(--r-card);padding:32px 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.kpi-band .kpi{border-left:2px solid rgba(198,240,74,.6);padding-left:18px}
.kpi-band .kpi b{display:block;font-size:34px;color:#fff;font-weight:800;line-height:1.1}
.kpi-band .kpi span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.7)}

/* 杂志式：2 列大卡 */
.mag-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:28px}
.mag-card{
  position:relative;display:block;height:392px;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh2);transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.mag-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.mag-card:hover{transform:translateY(-4px);box-shadow:var(--sh3)}
.mag-card:hover img{transform:scale(1.05)}
.mag-mask{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:28px 26px;background:linear-gradient(180deg,rgba(12,26,22,.05) 0%,rgba(12,26,22,.55) 52%,rgba(12,26,22,.92) 100%);
}
.mag-mask h3{color:#fff;font-size:24px;line-height:1.4;margin:12px 0 10px}
.mag-mask p{color:rgba(255,255,255,.76);font-size:14px;line-height:1.8;margin:0}
.mag-mask .mag-date{margin-top:16px;font-size:13px;color:rgba(255,255,255,.62);display:flex;gap:10px;align-items:center}

/* 杂志式：3 列紧凑条目 */
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 24px;border-top:1px solid var(--line)}
.mini-card{
  display:flex;gap:16px;align-items:flex-start;padding:24px 0;border-bottom:1px solid var(--line);
  transition:background .25s var(--ease);
}
.mini-card:hover{background:rgba(30,107,82,.035)}
.mini-thumb{width:88px;height:88px;border-radius:var(--r-img);overflow:hidden;flex:0 0 auto;background:var(--paper-2)}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.mini-card:hover .mini-thumb img{transform:scale(1.06)}
.mini-body h4{font-size:17px;line-height:1.5;margin:8px 0 8px;transition:color .25s var(--ease)}
.mini-card:hover .mini-body h4{color:var(--green-700)}
.mini-body time{font-size:13px;color:var(--t3)}

/* 分页 */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);font-size:14px;font-weight:600;border:1px solid var(--line);background:var(--white);color:var(--t2);
  transition:all .25s var(--ease);
}
.pager a:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px)}
.pager .cur{background:var(--orange);border-color:var(--orange);color:#fff;box-shadow:var(--sh2)}
.pager .disabled{opacity:.4;pointer-events:none}

/* 适用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px;box-shadow:var(--sh1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease)
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.scene-card .sc-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.scene-card .sc-top i{font-size:18px;color:var(--orange)}
.scene-card h3{font-size:19px}
.scene-card ul{margin-top:14px}
.scene-card li{position:relative;padding-left:18px;font-size:14.5px;color:var(--t2);line-height:1.9;margin-bottom:6px}
.scene-card li::before{content:"";position:absolute;left:0;top:.78em;width:7px;height:7px;background:var(--lime);border-radius:1px}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:flow}
.flow-item{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh1);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.flow-item .fno{
  width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--green-900);color:var(--lime);font-weight:800;font-size:15px;margin-bottom:16px;
}
.flow-item h3{font-size:18px;margin-bottom:10px}
.flow-item p{font-size:14px;line-height:1.85;color:var(--t2)}

/* FAQ */
.faq{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item.open{background:var(--paper);border-color:rgba(30,107,82,.28);box-shadow:var(--sh2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--t1);
}
.faq-item.open .faq-q{box-shadow:inset 4px 0 0 var(--orange)}
.faq-icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--green-700);font-size:13px;
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--orange);border-color:var(--orange);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--t2)}

/* CTA 通栏 */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);
  background-image:linear-gradient(90deg,rgba(12,26,22,.96) 0%,rgba(20,50,42,.9) 60%,rgba(12,26,22,.94) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;padding:64px 0;flex-wrap:wrap}
.cta-inner h2{font-size:28px;color:#fff}
.cta-inner .cta-p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.74);max-width:520px}
.cta-form{display:flex;gap:10px;flex-wrap:wrap}
.cta-form input{
  height:50px;min-width:280px;padding:0 20px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:15px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.6)}
.cta-form input:focus{outline:none;border-color:var(--orange);background:rgba(255,255,255,.18);box-shadow:0 0 0 3px rgba(255,106,43,.28)}
.form-tip{margin-top:12px;font-size:13px;color:var(--lime);min-height:18px}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-col{position:relative;padding-left:0}
.foot-col + .foot-col{padding-left:36px}
.foot-col + .foot-col::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:1px;background:rgba(255,255,255,.08)}
.foot-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px}
.foot-logo svg{width:32px;height:32px}
.foot-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.75);background:rgba(255,255,255,.04);
  transition:all .25s var(--ease);
}
.socials a:hover{background:var(--orange);border-color:var(--orange);color:var(--ink);transform:translateY(-2px)}
.site-footer h5{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px;position:relative;padding-bottom:10px}
.site-footer h5::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--orange);border-radius:2px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .25s var(--ease),transform .25s var(--ease);display:inline-block}
.foot-links a:hover{color:var(--lime);transform:translateX(-2px)}
.foot-contact{font-size:14px;line-height:2;color:rgba(255,255,255,.66);margin-bottom:18px}
.foot-sub{display:flex;gap:8px;flex-wrap:wrap}
.foot-sub input{
  flex:1 1 150px;height:42px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:14px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.foot-sub input::placeholder{color:rgba(255,255,255,.5)}
.foot-sub input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,43,.25)}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:24px;font-size:13px;color:rgba(255,255,255,.48);flex-wrap:wrap}
.foot-bottom a{color:rgba(255,255,255,.48)}
.foot-bottom a:hover{color:var(--lime)}
.foot-bottom .sep{margin:0 8px;opacity:.6}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
  background:var(--green-900);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh2);opacity:0;visibility:hidden;transition:all .3s var(--ease);z-index:900;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--orange);color:var(--ink);transform:translateY(-3px)}

/* 响应式 */
@media (max-width:1199px){
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .kpi-band{grid-template-columns:repeat(2,1fr);gap:28px}
  .flow{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-right .btn-main.btn-sm{display:none}
  .wrap{padding:0 20px}
  .page-hero h1{font-size:36px}
  .section{padding:64px 0}
  .section.tight{padding:56px 0}
  .sec-head h2{font-size:26px}
  .mag-grid{grid-template-columns:1fr}
  .mag-card{height:340px}
  .mini-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .foot-col + .foot-col{padding-left:0}
  .foot-col + .foot-col::before{display:none}
}
@media (max-width:767px){
  .page-hero{padding:118px 0 92px;min-height:300px}
  .page-hero h1{font-size:32px}
  .page-hero .hero-sub{font-size:15px}
  .feat-grid{grid-template-columns:1fr}
  .mini-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .kpi-band{grid-template-columns:1fr 1fr;padding:26px 20px}
  .flow{grid-template-columns:1fr}
  .cta-inner{padding:52px 0}
  .cta-inner h2{font-size:24px}
  .cta-form input{min-width:0;width:100%}
  .cta-form{width:100%}
  .cta-form .btn-main{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .page-hero h1{font-size:28px}
  .sec-head h2{font-size:23px}
  .mag-card{height:300px}
  .mag-mask h3{font-size:20px}
  .kpi-band{grid-template-columns:1fr}
  .to-top{right:16px;bottom:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}