/* roulang page: index */
:root{
  --ink:#101613;
  --lime:#C3F53C;
  --orange:#FF6A2B;
  --bg:#F6F7F3;
  --card:#FFFFFF;
  --txt:#14181A;
  --sub:#5C6460;
  --weak:#8A928C;
  --line:#E3E6DE;
  --dline:rgba(255,255,255,.10);
  --dtext:#F2F5EE;
  --dsub:#A9B3A8;
  --r-card:14px;
  --r-btn:10px;
  --r-tag:6px;
  --sh-card:0 1px 2px rgba(16,22,19,.05);
  --sh-hover:0 12px 28px rgba(16,22,19,.10);
  --ease:.22s ease;
  --pad:32px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
.num{font-family:"Barlow Condensed","PingFang SC",sans-serif;font-weight:700;letter-spacing:.5px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

/* ============ 公告条 ============ */
.announce{
  height:36px;
  background:var(--ink);
  color:var(--dtext);
  font-size:13px;
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--dline);
}
.announce .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.announce span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.announce a{color:var(--lime);font-weight:600;display:inline-flex;align-items:center;gap:8px;}
.announce .dot{width:8px;height:8px;border-radius:50%;background:var(--orange);display:inline-block;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px rgba(16,22,19,.06);
}
.nav-wrap{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:21px;
  font-weight:800;
  letter-spacing:-.4px;
  color:var(--ink);
  white-space:nowrap;
}
.logo .mark{
  width:10px;height:10px;background:var(--lime);
  display:inline-block;
  transform:rotate(45deg);
}
.logo .thin{
  font-weight:400;
  color:var(--sub);
  padding-left:10px;
  border-left:1px solid var(--line);
  font-size:18px;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-list a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--sub);
  padding:6px 0;
  transition:color var(--ease);
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%) scaleX(0);
  bottom:0;
  height:3px;
  width:60%;
  background:var(--lime);
  transform-origin:center;
  transition:transform var(--ease);
}
.nav-list a:hover{color:var(--ink);}
.nav-list a.is-active{color:var(--ink);font-weight:700;}
.nav-list a.is-active::after{transform:translateX(-50%) scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:24px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.btn-primary{
  height:48px;
  padding:0 24px;
  background:var(--lime);
  color:var(--ink);
}
.btn-primary:hover{background:#B4E52F;transform:translateY(-2px);box-shadow:0 10px 22px rgba(195,245,60,.35);}
.btn-primary:active{transform:translateY(1px);}
.btn-nav{height:40px;padding:0 18px;}
.btn-ghost{
  height:48px;
  padding:0 24px;
  background:transparent;
  border:1.5px solid var(--ink);
  color:var(--ink);
}
.btn-ghost:hover{border-color:var(--lime);background:rgba(195,245,60,.14);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.dark .btn-ghost{border-color:rgba(255,255,255,.35);color:var(--dtext);}
.dark .btn-ghost:hover{border-color:var(--lime);background:rgba(195,245,60,.10);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--ink);
  font-size:17px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.burger:hover{border-color:var(--lime);}

/* 移动抽屉 */
.drawer{
  position:fixed;
  top:0;right:0;
  width:86%;
  max-width:360px;
  height:100%;
  background:var(--ink);
  z-index:120;
  transform:translateX(102%);
  transition:transform .3s ease;
  padding:28px 24px;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(16,22,19,.55);
  z-index:110;
  opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:18px;margin-bottom:10px;
  border-bottom:1px solid var(--dline);
  color:var(--dtext);font-weight:800;font-size:18px;
}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);
  border:1px solid var(--dline);
  color:var(--dtext);cursor:pointer;font-size:16px;
}
.drawer a{
  color:var(--dtext);
  padding:14px 4px;
  font-size:16px;
  border-bottom:1px solid var(--dline);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer a i{color:var(--lime);font-size:13px;}
.drawer a:hover{color:var(--lime);}
.drawer .btn-primary{margin-top:22px;height:48px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background:var(--ink);
  color:var(--dtext);
  overflow:hidden;
  padding:72px 0 64px;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:34px 34px;
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--lime);
  border:1px solid rgba(195,245,60,.35);
  padding:6px 14px;
  border-radius:var(--r-tag);
  background:rgba(195,245,60,.07);
  margin-bottom:24px;
}
.hero h1{
  font-size:44px;
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.5px;
  color:#fff;
}
.hero h1 em{
  font-style:normal;
  color:var(--lime);
}
.hero-lead{
  margin-top:20px;
  font-size:17px;
  line-height:1.8;
  color:var(--dsub);
  max-width:520px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-visual{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  aspect-ratio:4/3;
  border:1px solid rgba(255,255,255,.14);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual .frame-tag{
  position:absolute;left:14px;top:14px;
  background:var(--lime);
  color:var(--ink);
  font-size:12px;font-weight:700;
  padding:6px 12px;
  clip-path:polygon(8px 0,100% 0,100% 100%,0 100%);
  border-radius:0;
}
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:56px;
  border-top:1px solid var(--dline);
  padding-top:28px;
}
.stat{padding-right:20px;border-right:1px solid var(--dline);}
.stat:last-child{border-right:0;}
.stat .n{font-size:38px;line-height:1.1;color:var(--lime);}
.stat .t{font-size:13px;color:var(--dsub);margin-top:6px;}

/* ============ 通用板块 ============ */
.sec{padding:88px 0;}
.sec-alt{background:#FFFFFF;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.sec-title{font-size:32px;font-weight:700;letter-spacing:-.3px;line-height:1.3;}
.sec-title span{color:var(--sub);font-weight:400;font-size:16px;display:block;margin-top:10px;letter-spacing:0;}
.link-more{
  font-size:15px;font-weight:600;color:var(--ink);
  display:inline-flex;align-items:center;gap:8px;
  border-bottom:2px solid var(--lime);
  padding-bottom:4px;
  transition:color var(--ease),gap var(--ease);
  white-space:nowrap;
}
.link-more:hover{color:#4d7a00;gap:12px;}

/* 主推卡片 */
.card-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.p-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--lime);}
.p-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDEFE9;}
.p-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.p-card:hover .p-cover img{transform:scale(1.04);}
.cut-tag{
  position:absolute;left:0;top:12px;
  background:var(--ink);
  color:var(--lime);
  font-size:12px;font-weight:600;
  padding:5px 12px 5px 10px;
  clip-path:polygon(8px 0,100% 0,100% 100%,0 100%);
}
.p-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.p-body h3{font-size:18px;font-weight:600;line-height:1.45;}
.p-body p{font-size:14px;color:var(--sub);line-height:1.7;flex:1;}
.p-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:14px;font-weight:600;
}
.p-foot .go{display:inline-flex;align-items:center;gap:6px;color:var(--ink);}
.p-foot .go i{color:var(--lime);font-size:12px;}
.badge-orange{
  width:9px;height:9px;border-radius:50%;background:var(--orange);display:inline-block;
}

/* ============ 最新信息（CMS） ============ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:12px;
  min-height:100%;
  box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  position:relative;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--lime);}
.news-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.badge-cut{
  background:rgba(195,245,60,.22);
  color:#3c5c00;
  font-size:12px;font-weight:600;
  padding:4px 10px;
  clip-path:polygon(8px 0,100% 0,100% 100%,0 100%);
}
.news-date{font-size:13px;color:var(--weak);white-space:nowrap;}
.news-title{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  font-size:14px;color:var(--sub);line-height:1.7;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-arrow{
  align-self:flex-end;
  width:34px;height:34px;border-radius:50%;
  background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);font-size:14px;
  transition:background-color var(--ease),color var(--ease),transform var(--ease);
}
.news-card:hover .news-arrow{background:var(--lime);transform:translateX(3px);}
.empty-state{
  grid-column:1/-1;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:#fff;
  padding:56px 24px;
  text-align:center;
  color:var(--sub);
}
.empty-state i{font-size:34px;color:var(--weak);display:block;margin-bottom:14px;}
.empty-state p{font-size:14px;}
.empty-state a{color:var(--ink);font-weight:600;border-bottom:2px solid var(--lime);margin-left:6px;}

/* ============ 评价轮播（深色） ============ */
.reviews{
  background:var(--ink);
  color:var(--dtext);
  padding:88px 0;
  position:relative;
  overflow:hidden;
}
.reviews::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:34px 34px;pointer-events:none;
}
.reviews .container{position:relative;z-index:2;}
.rev-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:56px;align-items:center;}
.rev-layout h2{font-size:32px;font-weight:700;color:#fff;line-height:1.35;}
.rev-layout .rev-note{margin-top:16px;font-size:15px;color:var(--dsub);max-width:340px;}
.rev-viewport{overflow:hidden;}
.rev-track{display:flex;gap:24px;transition:transform .45s cubic-bezier(.22,.61,.36,1);}
.rev-card{
  flex:0 0 calc((100% - 48px)/3);
  background:#fff;
  color:var(--txt);
  border-radius:var(--r-card);
  padding:22px;
  border:1px solid rgba(255,255,255,.14);
  display:flex;flex-direction:column;gap:14px;
}
.rev-user{display:flex;align-items:center;gap:12px;}
.avatar{
  width:48px;height:48px;border-radius:50%;
  background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:17px;flex:0 0 48px;
}
.rev-user .nm{font-size:15px;font-weight:600;}
.rev-user .id{font-size:13px;color:var(--weak);}
.stars{color:var(--lime);font-size:13px;letter-spacing:2px;}
.rev-text{font-size:14px;color:var(--sub);line-height:1.75;flex:1;}
.rev-src{font-size:12px;color:var(--weak);border-top:1px solid var(--line);padding-top:12px;}
.rev-dots{display:flex;gap:10px;margin-top:26px;}
.rev-dots button{
  width:8px;height:8px;padding:0;border:0;border-radius:1px;
  background:rgba(255,255,255,.28);cursor:pointer;transition:background-color var(--ease),transform var(--ease);
}
.rev-dots button.is-active{background:var(--lime);transform:scale(1.25);}

/* ============ 保障条 ============ */
.guarantee{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  overflow:hidden;
}
.g-item{
  padding:30px 26px;
  border-right:1px solid var(--line);
  transition:background-color var(--ease);
}
.g-item:last-child{border-right:0;}
.g-item:hover{background:#FAFBF7;}
.g-item i{font-size:22px;color:var(--ink);}
.g-item h3{font-size:16px;font-weight:600;margin-top:16px;}
.g-item p{font-size:13px;color:var(--sub);line-height:1.7;margin-top:8px;}

/* ============ CTA 大区块 ============ */
.cta-band{
  background:var(--ink);
  color:var(--dtext);
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:34px 34px;pointer-events:none;
}
.cta-band .container{position:relative;z-index:2;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:48px;}
.cta-inner h2{font-size:32px;font-weight:700;color:#fff;line-height:1.35;}
.cta-inner p{margin-top:12px;font-size:15px;color:var(--dsub);max-width:560px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.accordion .accordion-item:hover{border-color:#d5dacd;box-shadow:var(--sh-card);}
.accordion .accordion-item.is-active{border-color:var(--lime);box-shadow:var(--sh-card);}
.accordion .accordion-title{
  font-size:16px;font-weight:600;color:var(--txt);
  padding:18px 52px 18px 22px;
  border:0;background:transparent;line-height:1.6;
}
.accordion .accordion-title::before{
  content:"+";
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--ink);
  background:var(--bg);
  width:28px;height:28px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  margin:0;
}
.accordion .accordion-item.is-active .accordion-title::before{
  content:"−";background:var(--lime);
}
.accordion .accordion-content{
  border:0;border-top:1px solid var(--line);
  padding:18px 22px 22px;
  font-size:15px;line-height:1.8;color:var(--sub);
  background:#fff;
}
.accordion .accordion-title:hover{color:#000;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:var(--dtext);
  padding:64px 0 0;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.foot-brand .logo{color:#fff;font-size:20px;}
.foot-brand .logo .thin{color:var(--dsub);border-left-color:var(--dline);}
.foot-brand p{margin-top:18px;font-size:14px;color:var(--dsub);line-height:1.8;max-width:320px;}
.foot-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.foot-col ul li{margin-bottom:12px;}
.foot-col a{font-size:14px;color:var(--dsub);transition:color var(--ease);}
.foot-col a:hover{color:var(--lime);}
.foot-col p{font-size:14px;color:var(--dsub);line-height:1.8;}
.foot-bottom{
  border-top:1px solid var(--dline);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:13px;color:var(--weak);
}
.foot-bottom .lime{color:var(--lime);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--pad:24px;}
  .nav-list,.nav-actions .btn-nav{display:none;}
  .burger{display:flex;}
  .hero{padding:56px 0 52px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:36px;}
  .hero-visual{aspect-ratio:16/10;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .rev-layout{grid-template-columns:1fr;gap:32px;}
  .rev-card{flex:0 0 calc((100% - 24px)/2);}
  .guarantee{grid-template-columns:repeat(2,1fr);}
  .g-item:nth-child(2){border-right:0;}
  .g-item:nth-child(1),.g-item:nth-child(2){border-bottom:1px solid var(--line);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .sec{padding:64px 0;}
}
@media (max-width:640px){
  :root{--pad:16px;}
  .announce{font-size:12px;}
  .announce .container{gap:8px;}
  .nav-wrap{height:64px;}
  .logo{font-size:18px;}
  .logo .thin{font-size:16px;padding-left:8px;}
  .hero{padding:40px 0 40px;}
  .hero h1{font-size:28px;letter-spacing:-.3px;}
  .hero-lead{font-size:15px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:20px 0;margin-top:36px;padding-top:24px;}
  .stat{padding-right:12px;}
  .stat:nth-child(2){border-right:0;}
  .stat .n{font-size:32px;}
  .sec{padding:48px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .sec-title{font-size:24px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .news-grid{grid-template-columns:1fr;gap:16px;}
  .rev-card{flex:0 0 100%;}
  .rev-layout h2{font-size:24px;}
  .guarantee{grid-template-columns:1fr;}
  .g-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 20px;}
  .g-item:last-child{border-bottom:0;}
  .g-item:nth-child(1),.g-item:nth-child(2){border-bottom:1px solid var(--line);}
  .cta-band{padding:48px 0;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px;}
  .cta-inner h2{font-size:24px;}
  .cta-inner .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .accordion .accordion-title{font-size:15px;padding:16px 48px 16px 16px;}
  .accordion .accordion-content{padding:16px 16px 18px;}
}

/* roulang page: article */
:root{
  --dark:#101613;
  --dark-2:#18201c;
  --lime:#C3F53C;
  --orange:#FF6A2B;
  --bg:#F6F7F3;
  --card:#FFFFFF;
  --ink:#14181A;
  --ink-2:#5C6460;
  --ink-3:#8A928C;
  --line:#E3E6DE;
  --line-dark:rgba(255,255,255,.10);
  --on-dark:#F2F5EE;
  --on-dark-2:#A9B3A8;
  --r-card:14px;
  --r-btn:10px;
  --r-tag:6px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(16,22,19,.05);
  --sh-2:0 12px 28px rgba(16,22,19,.10);
  --sec:88px;
  --gap:24px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow Condensed","Oswald","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  font-family:var(--font-cn);
  font-size:16px;line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
hr{border:0;}
input,textarea{font:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sec) 0;}
.section-sm{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.4px;}
.section-head .sub{font-size:14px;color:var(--ink-3);margin-top:8px;}
.link-more{font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:8px;border-bottom:2px solid var(--lime);padding-bottom:3px;transition:gap .22s ease;}
.link-more:hover{gap:14px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,247,243,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(16,22,19,.06);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:-.5px;color:var(--ink);}
.logo .mark{width:10px;height:10px;border-radius:2px;background:var(--lime);box-shadow:0 0 0 3px rgba(195,245,60,.22);}
.logo .thin{font-size:12px;font-weight:500;color:var(--ink-3);padding-left:10px;border-left:1px solid var(--line);letter-spacing:0;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-list a{position:relative;font-size:15px;color:var(--ink-2);padding:4px 0;transition:color .2s ease;}
.nav-list a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:3px;border-radius:2px;background:var(--lime);transition:width .22s ease;}
.nav-list a:hover{color:var(--ink);}
.nav-list a:hover::after{width:60%;}
.nav-list a.is-active{color:var(--ink);font-weight:600;}
.nav-list a.is-active::after{width:60%;}
.nav-actions{display:flex;align-items:center;gap:16px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  transition:transform .22s ease,background .22s ease,border-color .22s ease,color .22s ease,box-shadow .22s ease;
}
.btn i{font-size:13px;}
.btn-primary{background:var(--lime);color:var(--dark);border-color:var(--lime);}
.btn-primary:hover{background:#b2e62c;transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{border-color:var(--lime);background:rgba(195,245,60,.14);transform:translateY(-2px);}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.35);color:var(--on-dark);}
.btn-ghost-dark:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px);}
.btn-nav{height:40px;padding:0 18px;}
.btn:active{transform:translateY(1px);}
.burger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);color:var(--ink);align-items:center;justify-content:center;font-size:16px;background:#fff;}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;top:0;right:0;z-index:120;
  width:290px;max-width:86vw;height:100%;
  background:var(--dark);color:var(--on-dark);
  padding:24px 22px;transform:translateX(102%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer .logo{color:var(--on-dark);}
.drawer .logo .thin{color:var(--on-dark-2);border-left-color:var(--line-dark);}
.drawer nav{display:flex;flex-direction:column;gap:2px;}
.drawer nav a{padding:13px 0;font-size:16px;color:var(--on-dark-2);border-bottom:1px solid var(--line-dark);transition:color .2s ease,padding-left .2s ease;}
.drawer nav a:hover,.drawer nav a.is-active{color:var(--lime);padding-left:6px;}
.drawer .btn{width:100%;}
.drawer-mask{position:fixed;inset:0;background:rgba(16,22,19,.5);z-index:110;opacity:0;visibility:hidden;transition:opacity .28s ease;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- article head ---------- */
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--ink-2);padding-top:36px;}
.crumb a{color:var(--ink-2);transition:color .2s ease;}
.crumb a:hover{color:var(--ink);}
.crumb .sep{color:#c7ccc3;}
.crumb .now{color:var(--ink-3);max-width:52vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.chip-cut{
  display:inline-flex;align-items:center;height:24px;padding:0 12px 0 14px;
  background:var(--lime);color:var(--dark);font-size:13px;font-weight:700;letter-spacing:.2px;
  border-radius:0;
  clip-path:polygon(8px 0,100% 0,100% 100%,0 100%,0 8px);
}
.article-title{
  font-size:36px;line-height:1.35;font-weight:800;letter-spacing:-.5px;
  max-width:860px;margin:18px 0 0;
}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:20px;font-size:13px;color:var(--ink-3);}
.meta-row .bar{width:1px;height:12px;background:var(--line);}
.rule{height:1px;background:var(--line);width:100%;margin-top:24px;}

/* ---------- article body ---------- */
.article-main{padding:44px 0 0;}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.8;color:var(--ink);}
.article-body p{margin:0 0 20px;overflow-wrap:break-word;}
.article-body h2{position:relative;font-size:24px;line-height:1.45;font-weight:700;margin:40px 0 16px;padding-left:16px;}
.article-body h2::before{content:"";position:absolute;left:0;top:8px;width:4px;height:20px;border-radius:2px;background:var(--lime);}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;}
.article-body ul{margin:0 0 20px;padding:0;}
.article-body ul li{position:relative;padding-left:18px;margin-bottom:10px;}
.article-body ul li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:1px;background:var(--lime);}
.article-body ol{margin:0 0 20px;padding-left:22px;list-style:decimal;}
.article-body ol li{margin-bottom:10px;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--bg);
  border-left:4px solid var(--dark);border-radius:0 10px 10px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{width:100%;border-radius:var(--r-card);margin:24px 0 8px;}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:8px;}
.article-body a{color:var(--ink);border-bottom:1px solid var(--lime);}
.article-body a:hover{background:rgba(195,245,60,.25);}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px;border:1px solid var(--line);}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--dark);color:var(--on-dark);font-weight:600;}
.article-body code{background:#eef1e8;padding:2px 6px;border-radius:4px;font-size:14px;}
.article-body .table-scroll{overflow-x:auto;}
.article-empty{
  max-width:760px;margin:0 auto;text-align:center;padding:64px 24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.article-empty i{font-size:44px;color:#c9cfc3;line-height:1;}
.article-empty p{margin:16px 0 22px;font-size:14px;color:var(--ink-2);}

/* ---------- tags ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;max-width:760px;margin:44px auto 0;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  font-size:13px;color:var(--ink-2);background:#fff;
  border:1px solid var(--line);border-radius:var(--r-tag);
  transition:border-color .2s ease,color .2s ease;
}
.tag:hover{border-color:var(--lime);color:var(--ink);}
.rule-soft{height:1px;background:var(--line);max-width:760px;margin:32px auto 0;}

/* ---------- cards ---------- */
.cards-3.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.cards-3 > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}
.cards-3{margin-bottom:-24px;}
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--lime);}
.card-cover{position:relative;display:block;aspect-ratio:16/9;background:#eceee7;overflow:hidden;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.card:hover .card-cover img{transform:scale(1.04);}
.card-cover .chip-cut{position:absolute;left:12px;top:12px;}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-title{font-size:18px;line-height:1.5;font-weight:700;letter-spacing:-.2px;}
.card-title a{display:block;}
.card-title a:hover{color:#25400f;}
.card-desc{margin-top:10px;font-size:14px;line-height:1.7;color:var(--ink-2);}
.card-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.card-foot i{color:var(--orange);font-size:13px;}
.card-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:14px;font-weight:600;color:var(--ink);}
.card-link i{color:var(--lime);filter:brightness(.72);}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion.faq-acc{border:0;background:transparent;}
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:10px;background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-acc .accordion-title{
  position:relative;background:#fff;border:0;padding:18px 56px 18px 20px;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);
  transition:background .2s ease;
}
.faq-acc .accordion-title::before{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:2px;
  background:var(--lime);transform:translateY(-50%);
}
.faq-acc .accordion-title::after{
  content:"";position:absolute;right:28px;top:50%;width:2px;height:14px;
  background:var(--lime);transform:translateY(-50%);transition:opacity .2s ease;
}
.faq-acc .accordion-title[aria-expanded="true"]::after{opacity:0;}
.faq-acc .accordion-title:hover{background:#fafbf7;}
.faq-acc .accordion-content{
  border:0;background:#fff;padding:0 20px 20px;color:var(--ink-2);font-size:15px;line-height:1.8;
}
.faq-acc .accordion-content p{margin:0 0 10px;}
.faq-acc .accordion-content p:last-child{margin-bottom:0;}

/* ---------- cta band ---------- */
.cta-band{position:relative;background:var(--dark);color:var(--on-dark);padding:72px 0;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:34px 34px;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.5fr auto;gap:36px;align-items:center;}
.cta-inner h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.4px;}
.cta-inner p{margin-top:12px;font-size:15px;color:var(--on-dark-2);max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-primary{height:52px;padding:0 28px;font-size:16px;}

/* ---------- back to category ---------- */
.back-row{display:flex;justify-content:center;padding:48px 0 0;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--on-dark-2);padding:64px 0 0;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.site-footer .logo{color:var(--on-dark);}
.site-footer .logo .thin{color:var(--on-dark-2);border-left-color:var(--line-dark);}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:340px;color:var(--on-dark-2);}
.foot-col h4{font-size:15px;font-weight:600;color:var(--on-dark);margin-bottom:16px;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a{font-size:14px;color:var(--on-dark-2);transition:color .2s ease;}
.foot-col a:hover{color:var(--lime);}
.foot-col p{font-size:14px;line-height:1.8;}
.foot-bottom{
  border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:13px;color:var(--ink-3);
}
.foot-bottom .lime{color:var(--lime);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  :root{--sec:72px;}
  .nav-list{display:none;}
  .burger{display:inline-flex;}
  .btn-nav{display:none;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
}
@media (max-width:768px){
  :root{--sec:56px;--gap:16px;}
  .container{padding:0 16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-head h2{font-size:24px;}
  .article-title{font-size:28px;line-height:1.35;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .crumb .now{max-width:60vw;}
  .cta-inner h2{font-size:24px;}
  .cta-band .btn-primary{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:640px){
  .logo{font-size:18px;gap:8px;}
  .logo .thin{display:none;}
  .foot-grid{grid-template-columns:1fr;}
  .cards-3.grid-x.grid-margin-x{margin-left:0;margin-right:0;}
  .cards-3 > .cell{padding-left:0;padding-right:0;}
  .foot-bottom{justify-content:flex-start;}
}

/* roulang page: category1 */
:root{
  --ink:#101613;
  --ink-2:#18211b;
  --lime:#C3F53C;
  --lime-d:#b3e52c;
  --orange:#FF6A2B;
  --bg:#F6F7F3;
  --card:#FFFFFF;
  --text:#14181A;
  --muted:#5C6460;
  --weak:#8A928C;
  --line:#E3E6DE;
  --dline:rgba(255,255,255,.10);
  --dtext:#F2F5EE;
  --dsub:#A9B3A8;
  --r-card:14px;
  --r-btn:10px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(16,22,19,.05);
  --sh-2:0 12px 28px rgba(16,22,19,.10);
  --sp:88px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:152px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
input,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 公告条 ---------- */
.announce{background:var(--ink);color:var(--dtext);font-size:13px;}
.announce-inner{display:flex;align-items:center;gap:12px;min-height:36px;padding-top:6px;padding-bottom:6px;}
.announce .dot{width:8px;height:8px;border-radius:2px;background:var(--orange);flex:none;}
.announce span{flex:1;line-height:1.6;}
.announce a{color:var(--lime);font-weight:600;white-space:nowrap;}
.announce a i{margin-left:6px;font-size:12px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,247,243,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 22px rgba(16,22,19,.07);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h);}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:-.5px;color:var(--ink);}
.logo .mark{width:10px;height:10px;background:var(--lime);transform:rotate(45deg);flex:none;}
.logo .thin{font-size:13px;font-weight:500;color:var(--muted);letter-spacing:0;padding-left:12px;border-left:1px solid var(--line);}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-list a{position:relative;font-size:15px;font-weight:500;color:var(--muted);padding:6px 0;transition:color .2s ease;}
.nav-list a::after{
  content:"";position:absolute;left:20%;bottom:-4px;width:60%;height:3px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-list a:hover{color:var(--ink);}
.nav-list a:hover::after,.nav-list a.is-active::after{transform:scaleX(1);}
.nav-list a.is-active{color:var(--ink);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:20px;}
.burger{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:17px;transition:border-color .2s ease,transform .2s ease;
}
.burger:hover{border-color:var(--lime);}
.burger:active{transform:translateY(1px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .22s ease,background .22s ease,border-color .22s ease,color .22s ease,box-shadow .22s ease;
}
.btn i{font-size:13px;}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-d);transform:translateY(-2px);box-shadow:0 10px 22px rgba(195,245,60,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink);}
.btn-ghost:hover{border-color:var(--lime);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-nav{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 32px;font-size:16px;}
.hero-dark .btn-ghost{border-color:rgba(255,255,255,.35);color:var(--dtext);}
.hero-dark .btn-ghost:hover{border-color:var(--lime);color:var(--lime);}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-tag);
  font-size:13px;font-weight:600;background:var(--lime);color:var(--ink);
}
.tag-cut{clip-path:polygon(8px 0,100% 0,100% 100%,0 100%,0 8px);border-radius:0;}
.tag-outline{background:transparent;border:1px solid var(--line);color:var(--muted);}
.hero-dark .tag-outline{border-color:rgba(255,255,255,.28);color:var(--dtext);}

/* ---------- Hero ---------- */
.hero-dark{position:relative;background:var(--ink);color:var(--dtext);overflow:hidden;}
.hero-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;
  align-items:center;padding:72px 0 80px;
}
.hero-copy h1{
  font-size:36px;line-height:1.25;font-weight:800;letter-spacing:-.5px;
  color:#fff;margin:20px 0 18px;max-width:15em;
}
.hero-sub{font-size:17px;color:var(--dsub);max-width:26em;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:32px;padding-top:26px;border-top:1px solid var(--dline);}
.hero-meta li{font-size:13px;color:var(--dsub);line-height:1.7;}
.hero-meta b{display:block;font-size:16px;color:var(--dtext);font-weight:600;margin-bottom:2px;}
.hero-visual{
  border-radius:var(--r-card);overflow:hidden;background:#1b241e;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 24px 50px rgba(0,0,0,.35);
}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- 锚点横条 ---------- */
.anchor-bar{
  position:sticky;top:var(--nav-h);z-index:50;
  background:#fff;border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;align-items:center;gap:26px;height:56px;overflow-x:auto;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-label{font-size:13px;color:var(--weak);white-space:nowrap;padding-right:16px;border-right:1px solid var(--line);}
.anchor-link{position:relative;font-size:14px;color:var(--muted);white-space:nowrap;padding:8px 0;transition:color .2s ease;}
.anchor-link:hover{color:var(--ink);}
.anchor-link.is-active{color:var(--ink);font-weight:600;}
.anchor-link.is-active::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:3px;background:var(--lime);}

/* ---------- 板块 ---------- */
.section{padding:var(--sp) 0;}
.section-white{background:#fff;}
.section-dark{background:var(--ink);color:var(--dtext);}
.section-head{max-width:740px;margin-bottom:44px;}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.4px;margin-bottom:14px;}
.section-head p{font-size:15px;color:var(--muted);}
.section-dark .section-head h2{color:#fff;}
.section-dark .section-head p{color:var(--dsub);}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;max-width:none;}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.split + .split{margin-top:68px;}
.split.reverse .split-media{order:-1;}
.split-text h3{font-size:20px;font-weight:600;line-height:1.5;margin-bottom:14px;}
.split-text p{font-size:15px;color:var(--muted);margin-bottom:18px;}
.split-media{
  border-radius:var(--r-card);overflow:hidden;background:#fff;
  box-shadow:inset 0 0 0 1px var(--line),var(--sh-1);
}
.split-media img{width:100%;aspect-ratio:1/1;object-fit:cover;}
.point-list{display:grid;gap:12px;}
.point-list li{position:relative;padding-left:22px;font-size:15px;color:var(--muted);}
.point-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;background:var(--lime);border-radius:2px;
}

/* ---------- 订阅表单 ---------- */
.sub-form{display:flex;width:100%;max-width:420px;flex:none;}
.sub-form input{
  flex:1;min-width:0;height:48px;padding:0 16px;font-size:14px;
  border:1px solid var(--line);border-right:0;border-radius:var(--r-btn) 0 0 var(--r-btn);
  background:#fff;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:var(--weak);}
.sub-form input:focus{border-color:var(--lime);box-shadow:inset 0 0 0 3px rgba(195,245,60,.28);}
.sub-form .btn{border-radius:0 var(--r-btn) var(--r-btn) 0;flex:none;}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.info-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--lime);}
.info-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#eef0ea;}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.info-card:hover .thumb img{transform:scale(1.03);}
.info-card .thumb .tag-cut{position:absolute;left:12px;top:12px;}
.info-card .thumb .corner{
  position:absolute;right:12px;top:12px;width:10px;height:10px;border-radius:3px;background:var(--orange);
}
.info-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.info-card h3{font-size:20px;font-weight:600;line-height:1.45;}
.info-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.info-card .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:16px;border-top:1px solid var(--line);
}
.info-card .foot .meta{font-size:13px;color:var(--weak);}
.card-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);}
.card-link i{font-size:12px;transition:transform .2s ease;}
.card-link:hover i{transform:translateX(4px);}

/* ---------- 参数对照 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.spec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-1);transition:box-shadow .22s ease,border-color .22s ease,transform .22s ease;
}
.spec-card:hover{border-color:var(--lime);box-shadow:var(--sh-2);transform:translateY(-4px);}
.spec-card > h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.spec-card > .spec-desc{font-size:14px;color:var(--muted);margin-bottom:22px;}
.spec-list{display:grid;gap:0;}
.spec-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  font-size:14.5px;padding:12px 0;border-bottom:1px dashed var(--line);
}
.spec-list li:last-child{border-bottom:0;padding-bottom:0;}
.spec-list .k{color:var(--weak);flex:none;}
.spec-list .v{color:var(--ink);font-weight:600;text-align:right;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:10px;background:#fff;
  margin-bottom:12px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.accordion .accordion-item:hover{border-color:var(--lime);box-shadow:var(--sh-1);}
.accordion .accordion-title{
  display:block;font-size:16px;font-weight:600;color:var(--text);
  padding:20px 58px 20px 22px;border:0;background:#fff;line-height:1.6;
  transition:background .2s ease,color .2s ease;
}
.accordion .accordion-title:hover{background:#fafbf7;color:var(--ink);}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--ink);line-height:1;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"−";color:var(--orange);}
.accordion .accordion-content{
  padding:18px 22px 22px;border-top:1px solid var(--line);
  color:var(--muted);font-size:15px;line-height:1.8;background:#fff;
}
.accordion .accordion-content p{margin:0;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:var(--dtext);padding:72px 0;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:44px;}
.cta-inner h2{font-size:32px;font-weight:700;color:#fff;margin-bottom:10px;letter-spacing:-.4px;}
.cta-inner p{font-size:15px;color:var(--dsub);max-width:34em;}
.cta-actions{display:flex;gap:14px;flex:none;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--dsub);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.site-footer .logo{color:#fff;}
.site-footer .logo .thin{color:var(--dsub);border-left-color:var(--dline);}
.foot-brand p{font-size:14px;line-height:1.9;margin-top:16px;max-width:330px;}
.foot-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-col ul{display:grid;gap:10px;}
.foot-col a{font-size:14px;color:var(--dsub);transition:color .2s ease;}
.foot-col a:hover{color:var(--lime);}
.foot-col p{font-size:14px;line-height:1.8;}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--dline);padding:20px 0;font-size:13px;color:var(--weak);
}
.lime{color:var(--lime);}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none;}
.drawer::before{content:"";position:absolute;inset:0;background:rgba(16,22,19,.55);opacity:0;transition:opacity .25s ease;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:300px;max-width:86%;
  background:var(--ink);color:var(--dtext);padding:26px 22px;
  display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-panel .logo{font-size:17px;color:#fff;}
.drawer-panel .logo .thin{font-size:12px;color:var(--dsub);border-left-color:var(--dline);padding-left:8px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--dline);color:var(--dtext);display:flex;align-items:center;justify-content:center;}
.drawer-close:hover{border-color:var(--lime);color:var(--lime);}
.drawer-panel nav{display:grid;gap:4px;}
.drawer-panel nav a{
  padding:13px 12px;border-radius:10px;font-size:15px;color:var(--dsub);
  transition:background .2s ease,color .2s ease;
}
.drawer-panel nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.drawer-panel nav a.is-active{color:var(--lime);background:rgba(195,245,60,.10);}
.drawer-cta{margin-top:22px;}
.drawer-cta .btn{width:100%;}
.drawer.is-open{pointer-events:auto;}
.drawer.is-open::before{opacity:1;}
.drawer.is-open .drawer-panel{transform:translateX(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sp:64px;--nav-h:64px;}
  .container{padding:0 24px;}
  .nav-list,.nav-actions .btn-nav{display:none;}
  .burger{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;padding:56px 0 64px;}
  .hero-copy h1{font-size:30px;max-width:none;}
  .split{gap:34px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .head-row{flex-direction:column;align-items:flex-start;gap:22px;}
  .sub-form{max-width:none;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px;}
}
@media (max-width:768px){
  .anchor-bar{top:var(--nav-h);}
  .anchor-inner{height:52px;gap:20px;}
  .anchor-label{display:none;}
  .split{grid-template-columns:1fr;}
  .split.reverse .split-media{order:0;}
  .split + .split{margin-top:48px;}
  .hero-meta{gap:20px 28px;}
  .spec-grid{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
}
@media (max-width:640px){
  :root{--sp:48px;}
  .container{padding:0 16px;}
  .announce-inner{font-size:12px;}
  .announce a{display:none;}
  .logo{font-size:18px;gap:8px;}
  .logo .thin{padding-left:8px;font-size:12px;}
  .hero-copy h1{font-size:26px;line-height:1.3;}
  .hero-sub{font-size:15px;}
  .hero-cta{margin:24px 0 28px;gap:12px;}
  .hero-cta .btn{width:100%;}
  .section-head h2,.cta-inner h2{font-size:24px;}
  .card-grid{grid-template-columns:1fr;}
  .info-card h3{font-size:18px;}
  .sub-form{flex-direction:column;gap:12px;}
  .sub-form input,.sub-form .btn{width:100%;border-radius:var(--r-btn);border-right:1px solid var(--line);}
  .spec-card{padding:22px;}
  .spec-list li{font-size:14px;}
  .accordion .accordion-title{font-size:15px;padding:18px 52px 18px 18px;}
  .accordion .accordion-content{font-size:14.5px;padding:16px 18px 20px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-band{padding:52px 0;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --ink:#101613;
  --lime:#C3F53C;
  --orange:#FF6A2B;
  --bg:#F6F7F3;
  --card:#FFFFFF;
  --dk-text:#F2F5EE;
  --dk-sub:#A9B3A8;
  --text:#14181A;
  --muted:#5C6460;
  --weak:#8A928C;
  --line:#E3E6DE;
  --dk-line:rgba(255,255,255,.10);
  --r-card:14px;
  --r-btn:10px;
  --r-tag:6px;
  --r-input:10px;
  --sh:0 1px 2px rgba(16,22,19,.05);
  --sh-h:0 12px 28px rgba(16,22,19,.10);
  --sp:88px;
  --nav-h:72px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:inherit;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.5px;color:inherit;}
p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.kt-row{margin-left:-12px;margin-right:-12px;}
.kt-row>.cell{padding-left:12px;padding-right:12px;}
.kt-row-lg{margin-left:-24px;margin-right:-24px;}
.kt-row-lg>.cell{padding-left:24px;padding-right:24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;height:var(--nav-h);
  background:var(--ink);color:var(--dk-text);
  display:flex;align-items:center;transition:box-shadow .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--dk-line);opacity:0;transition:opacity .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(16,22,19,.22);}
.site-header.is-scrolled::after{opacity:1;}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:21px;font-weight:800;letter-spacing:-.5px;color:var(--dk-text);
  white-space:nowrap;
}
.logo .mark{
  width:12px;height:12px;background:var(--lime);flex:0 0 auto;
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.logo .thin{
  font-size:12px;font-weight:500;color:var(--dk-sub);
  padding-left:10px;border-left:1px solid rgba(255,255,255,.20);
  letter-spacing:0;line-height:1;
}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-list a{
  position:relative;font-size:15px;font-weight:600;color:var(--dk-sub);
  padding:6px 0;white-space:nowrap;
}
.nav-list a:hover{color:var(--dk-text);}
.nav-list a.is-active{color:var(--dk-text);}
.nav-list a.is-active::after{
  content:"";position:absolute;left:0;right:40%;bottom:-4px;height:3px;
  background:var(--lime);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:18px;}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid rgba(255,255,255,.25);background:transparent;color:var(--dk-text);
  place-items:center;font-size:16px;transition:.22s;
}
.burger:hover{border-color:var(--lime);color:var(--lime);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:0;
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn i{font-size:13px;}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{filter:brightness(94%);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink);}
.btn-ghost:hover{border-color:var(--lime);background:rgba(195,245,60,.14);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-nav{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-btn);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 28px;font-size:15px;}
.band-dark .btn-ghost{border-color:rgba(255,255,255,.35);color:var(--dk-text);}
.band-dark .btn-ghost:hover{border-color:var(--lime);background:rgba(195,245,60,.12);color:var(--dk-text);}

/* ============ 标签 ============ */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-tag);background:rgba(16,22,19,.06);color:var(--muted);
  font-size:13px;font-weight:600;
}
.tag-cut{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  background:var(--lime);color:var(--ink);font-size:13px;font-weight:700;
  clip-path:polygon(8px 0,100% 0,100% 100%,0 100%,0 8px);
}
.tag-line{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--r-tag);
  background:#fff;color:var(--muted);font-size:13px;font-weight:600;
}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;background:var(--bg);
  border-bottom:1px solid var(--line);
  padding:52px 0 60px;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(16,22,19,.045) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(16,22,19,.045) 1px,transparent 1px);
  background-size:44px 44px;
}
.page-hero .container{position:relative;z-index:1;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--muted);margin-bottom:22px;
}
.crumb a:hover{color:var(--ink);}
.crumb .sep{color:#C6CCC4;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;}
.page-hero h1{font-size:36px;line-height:1.25;margin-top:16px;letter-spacing:-.5px;}
.hero-sub{font-size:17px;color:var(--muted);margin-top:16px;max-width:540px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-visual{
  border-radius:var(--r-card);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:0 18px 44px rgba(16,22,19,.10);
}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-facts{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin-top:44px;padding-top:28px;border-top:1px solid var(--line);
}
.fact{display:flex;gap:12px;align-items:flex-start;}
.fact i{font-size:18px;color:var(--ink);line-height:1.7;}
.fact strong{display:block;font-size:15px;font-weight:700;color:var(--text);}
.fact span{display:block;font-size:13px;line-height:1.6;color:var(--weak);}

/* ============ 锚点横条 ============ */
.anchor-bar{
  position:sticky;top:var(--nav-h);z-index:40;
  background:rgba(246,247,243,.95);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-bar .container{
  display:flex;align-items:center;gap:26px;overflow-x:auto;
  scrollbar-width:none;
}
.anchor-bar .container::-webkit-scrollbar{display:none;}
.anchor-bar a{
  position:relative;padding:16px 0;font-size:14px;font-weight:600;
  color:var(--muted);white-space:nowrap;
}
.anchor-bar a:hover{color:var(--ink);}
.anchor-bar a.is-active{color:var(--ink);}
.anchor-bar a.is-active::after{
  content:"";position:absolute;left:0;right:40%;bottom:8px;height:3px;
  background:var(--lime);border-radius:2px;
}

/* ============ 通用板块 ============ */
.section{padding:var(--sp) 0;}
.section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:40px;
}
.section-head h2{font-size:32px;}
.section-head .sub{margin-top:12px;font-size:15px;color:var(--muted);max-width:640px;}
.section-head .head-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.section-head .head-link:hover{color:#6f8c14;}

/* ============ 图文说明 ============ */
.feature-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"Barlow Condensed",sans-serif;font-size:14px;font-weight:700;
  letter-spacing:1.6px;text-transform:uppercase;color:#7d9a1c;
}
.feature-copy .eyebrow::before{
  content:"";width:22px;height:2px;background:var(--lime);display:inline-block;
}
.feature-copy h2{font-size:28px;margin-top:14px;}
.feature-copy p{margin-top:16px;font-size:15px;color:var(--muted);line-height:1.85;}
.feature-list{margin-top:20px;}
.feature-list li{
  position:relative;padding-left:22px;margin-bottom:10px;
  font-size:15px;color:var(--text);
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  background:var(--lime);border-radius:2px;
}
.feature-media{
  border-radius:var(--r-card);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh);
}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.feature + .feature{margin-top:72px;}

/* ============ 卡片 ============ */
.card{
  height:100%;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:var(--lime);}
.card-link{display:flex;flex-direction:column;height:100%;}
.card-media{position:relative;background:#fff;border-bottom:1px solid var(--line);}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.card-media .tag-cut{position:absolute;left:14px;top:14px;}
.card-body{padding:20px 20px 0;flex:1 1 auto;}
.card-title{font-size:20px;font-weight:600;letter-spacing:-.3px;margin-bottom:10px;}
.card-text{
  font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding:16px 20px 20px;border-top:1px solid var(--line);
}
.card-btn{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;
  border-radius:var(--r-btn);background:var(--ink);color:var(--dk-text);
  font-size:14px;font-weight:600;transition:.22s ease;
}
.card:hover .card-btn{background:var(--lime);color:var(--ink);}
.dot-orange{width:8px;height:8px;border-radius:2px;background:var(--orange);flex:0 0 auto;}

/* ============ 对照卡 ============ */
.compare-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:var(--lime);}
.compare-card.is-key{border-color:var(--lime);background:linear-gradient(180deg,#fbfff0 0%,#ffffff 42%);}
.compare-card h3{font-size:20px;}
.compare-card .sub{display:block;margin-top:8px;font-size:13px;color:var(--weak);}
.spec-list{margin-top:22px;border-top:1px solid var(--line);}
.spec-list li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);
  font-size:14px;line-height:1.7;
}
.spec-list li:last-child{border-bottom:0;}
.spec-list .k{flex:0 0 86px;color:var(--weak);}
.spec-list .v{color:var(--text);}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion{border:0;background:transparent;}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;margin-bottom:12px;box-shadow:var(--sh);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.accordion .accordion-item:hover{border-color:#cfd6c8;}
.accordion .accordion-item.is-active{border-color:var(--lime);box-shadow:0 8px 22px rgba(16,22,19,.08);}
.accordion .accordion-title{
  display:block;position:relative;border:0;background:transparent;
  padding:18px 56px 18px 20px;font-size:16px;font-weight:600;
  color:var(--text);line-height:1.5;
}
.accordion .accordion-title:hover{color:var(--ink);}
.accordion .accordion-title::before{
  content:"+" !important;position:absolute;right:20px;top:50%;
  transform:translateY(-50%);margin:0;padding:0;
  font-size:20px;font-weight:400;line-height:1;color:var(--muted);
  width:auto;height:auto;background:none;border:0;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"−" !important;color:var(--ink);}
.accordion .accordion-content{
  display:none;border:0;background:transparent;
  padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--muted);
}
.accordion .accordion-content p + p{margin-top:12px;}

/* ============ 深色带 & CTA ============ */
.band-dark{position:relative;background:var(--ink);color:var(--dk-text);overflow:hidden;}
.band-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:52px 52px;
}
.band-dark > .container{position:relative;z-index:1;}
.cta-band{padding:72px 0;}
.cta-band h2{font-size:32px;color:var(--dk-text);}
.cta-band p{margin-top:14px;font-size:15px;color:var(--dk-sub);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-meta{
  display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;
  font-size:13px;color:var(--dk-sub);
}
.cta-meta span{display:inline-flex;align-items:center;gap:8px;}
.cta-meta i{color:var(--lime);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--dk-sub);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1.15fr;gap:40px;}
.foot-brand .logo{color:var(--dk-text);font-size:20px;}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--dk-sub);max-width:340px;}
.foot-col h4{font-size:15px;color:var(--dk-text);margin-bottom:16px;letter-spacing:0;}
.foot-col ul li{margin-bottom:10px;}
.foot-col ul li a{font-size:14px;color:var(--dk-sub);}
.foot-col ul li a:hover{color:var(--lime);}
.foot-col p{font-size:14px;line-height:1.8;}
.foot-bottom{
  margin-top:48px;border-top:1px solid var(--dk-line);
  padding:22px 0;display:flex;justify-content:space-between;
  align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--weak);
}
.lime{color:var(--lime);}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:340px;
  background:var(--ink);color:var(--dk-text);z-index:120;
  transform:translateX(100%);transition:transform .3s ease;
  padding:24px 20px 32px;display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer .drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:18px;margin-bottom:10px;border-bottom:1px solid var(--dk-line);
}
.drawer .drawer-head .logo{font-size:17px;}
.drawer .close-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.25);
  background:transparent;color:var(--dk-text);display:grid;place-items:center;
}
.drawer .close-btn:hover{border-color:var(--lime);color:var(--lime);}
.drawer a.nav-item{
  padding:14px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--dk-sub);
}
.drawer a.nav-item:hover,.drawer a.nav-item.is-active{color:var(--dk-text);background:rgba(255,255,255,.06);}
.drawer .btn{margin-top:16px;width:100%;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,22,19,.55);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:110;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px;}
  :root{--sp:72px;}
  .nav-list{display:none;}
  .burger{display:grid;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{max-width:560px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .cta-actions{justify-content:flex-start;margin-top:26px;}
}
@media (max-width:860px){
  .page-hero{padding:36px 0 48px;}
  .page-hero h1{font-size:28px;}
  .section-head h2{font-size:26px;}
  .feature-copy h2{font-size:23px;}
  .feature + .feature{margin-top:48px;}
  .kt-row-lg{margin-left:-8px;margin-right:-8px;}
  .kt-row-lg>.cell{padding-left:8px;padding-right:8px;}
  .feature.reverse>.cell:first-child{order:0;}
  .feature.reverse>.cell:last-child{order:1;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  :root{--sp:48px;--nav-h:64px;}
  .logo{font-size:18px;}
  .logo .thin{display:none;}
  .btn-nav{display:none;}
  .page-hero h1{font-size:26px;line-height:1.3;}
  .hero-sub{font-size:15px;}
  .hero-facts{grid-template-columns:1fr;gap:14px;margin-top:32px;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:24px;}
  .cta-band{padding:56px 0;}
  .cta-band h2{font-size:24px;}
  .kt-row{margin-left:-8px;margin-right:-8px;}
  .kt-row>.cell{padding-left:8px;padding-right:8px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .anchor-bar .container{gap:20px;}
  .compare-card{padding:22px;}
  .spec-list .k{flex:0 0 72px;}
}

.accordion .accordion-content{display:block !important;}