/* roulang page: index */
:root{
  --green:#1F6B52;
  --green-deep:#154A39;
  --green-soft:#E8F1EC;
  --ink:#161B19;
  --ink-2:#4F5A55;
  --line:#E2E7E3;
  --page:#FBFAF7;
  --card:#FFFFFF;
  --orange:#D9552B;
  --orange-soft:#FBEBE3;
  --footer:#131716;
  --r-btn:10px;
  --r-card:14px;
  --r-img:16px;
  --sh-sm:0 1px 2px rgba(22,27,25,.06);
  --sh-md:0 6px 20px -8px rgba(22,27,25,.14);
  --sh-lg:0 18px 40px -24px rgba(22,27,25,.28);
  --s8:8px;--s12:12px;--s16:16px;--s24:24px;--s32:32px;--s48:48px;--s64:64px;--s88:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--page);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.015em;color:var(--ink);}
h1{font-size:48px;line-height:1.25;}
h2{font-size:34px;line-height:1.35;}
h3{font-size:22px;line-height:1.45;}
h4{font-size:18px;line-height:1.5;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:3px solid rgba(31,107,82,.32);outline-offset:2px;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.band{padding:var(--s88) 0;}
.band-white{background:var(--card);}
.band-line{border-top:1px solid var(--line);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;border-bottom:1px solid var(--line);
}
.nav-top{
  display:flex;align-items:center;gap:var(--s24);height:68px;
}
.brand{
  display:flex;align-items:baseline;gap:2px;font-size:18px;font-weight:700;white-space:nowrap;letter-spacing:-.01em;
}
.brand .brand-mark{color:var(--green);}
.brand:hover{color:var(--green-deep);}
.search-wrap{
  position:relative;flex:1;max-width:560px;margin:0 auto;
}
.search-wrap .search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--ink-2);pointer-events:none;
}
.search-input{
  width:100%;height:48px;border:1px solid var(--line);border-radius:12px;
  padding:0 44px 0 46px;background:#FCFCFA;color:var(--ink);
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.search-input::placeholder{color:#8B958F;font-size:15px;}
.search-input:focus{
  outline:none;background:#fff;border-color:var(--green);
  box-shadow:0 0 0 3px rgba(31,107,82,.16);
}
.search-clear{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border:0;border-radius:50%;background:transparent;color:#8B958F;
  cursor:pointer;display:none;align-items:center;justify-content:center;font-size:16px;line-height:1;
}
.search-clear:hover{background:var(--green-soft);color:var(--green-deep);}
.search-clear.show{display:flex;}
.nav-tools{display:flex;align-items:center;gap:var(--s16);}
.tool-link{
  font-size:14px;color:var(--ink-2);padding:6px 2px;border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.tool-link:hover{color:var(--green);border-bottom-color:var(--green);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-cats{border-top:1px solid var(--line);background:#fff;}
.cats-inner{display:flex;align-items:center;gap:28px;height:46px;overflow-x:auto;scrollbar-width:none;}
.cats-inner::-webkit-scrollbar{display:none;}
.cat-link{
  font-size:15px;color:var(--ink-2);white-space:nowrap;height:46px;display:inline-flex;align-items:center;
  border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.cat-link:hover{color:var(--green);}
.cat-link.active{color:var(--green);font-weight:600;border-bottom-color:var(--green);}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;}
.mobile-panel.open{display:block;}
.mobile-panel .search-wrap{max-width:none;margin:0 0 14px;}
.mobile-cats{display:flex;flex-direction:column;}
.mobile-cats a{
  padding:12px 4px;font-size:16px;color:var(--ink-2);border-bottom:1px dashed var(--line);
}
.mobile-cats a:last-child{border-bottom:0;}
.mobile-cats a.active{color:var(--green);font-weight:600;}

/* ============ 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:16px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .16s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--green);color:#fff;}
.btn-primary:hover{background:var(--green-deep);box-shadow:var(--sh-md);}
.btn-accent{background:var(--orange);color:#fff;}
.btn-accent:hover{background:#C24820;box-shadow:var(--sh-md);}
.btn-outline{background:#fff;color:var(--green-deep);border-color:var(--green);}
.btn-outline:hover{background:var(--green-soft);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-sm{height:44px;font-size:15px;padding:0 20px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 首屏 ============ */
.hero{padding:64px 0 72px;background:linear-gradient(180deg,#F6FAF7 0%,var(--page) 100%);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:var(--s48);align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--green-deep);
  background:var(--green-soft);border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);}
.hero h1{max-width:15em;}
.hero-sub{margin-top:20px;font-size:18px;line-height:1.8;color:var(--ink-2);max-width:30em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.promise-row{
  display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);
}
.promise-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);}
.promise-item svg{width:16px;height:16px;color:var(--green);flex:none;}
.hero-media{position:relative;}
.hero-img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-lg);background:#EDF1EE;
}
.float-card{
  position:absolute;left:-18px;bottom:-22px;background:var(--green-soft);
  border:1px solid #D3E4DA;border-radius:var(--r-card);padding:18px 22px;box-shadow:var(--sh-sm);
  display:flex;gap:28px;
}
.float-num{font-size:26px;font-weight:700;color:var(--green-deep);line-height:1.2;}
.float-num small{font-size:13px;font-weight:600;color:var(--ink-2);margin-left:2px;}
.float-label{font-size:13px;color:var(--ink-2);margin-top:2px;}

/* ============ 价值主张 ============ */
.value-strip{display:grid;grid-template-columns:repeat(4,1fr);}
.value-item{padding:6px 28px;border-left:1px solid var(--line);}
.value-item:first-child{border-left:0;padding-left:0;}
.value-num{font-size:28px;font-weight:700;color:var(--green);line-height:1;}
.value-item h3{font-size:18px;margin-top:14px;}
.value-item p{font-size:15px;color:var(--ink-2);margin-top:8px;}

/* ============ 板块头 ============ */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:10px;bottom:8px;width:4px;border-radius:2px;background:var(--green);
}
.section-desc{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:46em;}
.link-more{
  font-size:15px;font-weight:600;color:var(--green);display:inline-flex;align-items:center;gap:6px;
  white-space:nowrap;transition:gap .18s ease,color .18s ease;
}
.link-more:hover{gap:10px;color:var(--green-deep);}

/* ============ 功能分组 ============ */
.group-top{display:grid;grid-template-columns:2fr 1fr;gap:var(--s24);}
.group-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;
}
.group-main:hover{border-color:#C6DCD0;box-shadow:var(--sh-md);}
.group-main .gm-img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDF1EE;}
.group-main .gm-body{padding:28px 30px 30px;}
.group-tag{
  display:inline-block;font-size:13px;font-weight:600;color:var(--green-deep);background:var(--green-soft);
  border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.group-main h3{font-size:24px;}
.group-main p{font-size:15px;color:var(--ink-2);margin-top:10px;}
.point-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.point-list li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--green);transform:rotate(45deg);
}
.group-side{display:grid;grid-template-rows:1fr 1fr;gap:var(--s24);}
.group-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-sm);transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
  display:flex;flex-direction:column;
}
.group-card:hover{border-color:#C6DCD0;box-shadow:var(--sh-md);}
.group-card h3{font-size:20px;margin-top:10px;}
.group-card p{font-size:14px;color:var(--ink-2);margin-top:8px;flex:1;}
.group-card .link-more{margin-top:16px;font-size:14px;}
.wide-bar{
  margin-top:var(--s24);display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--green-soft);border-radius:var(--r-card);padding:22px 28px;
}
.wide-bar h3{font-size:18px;}
.wide-links{display:flex;flex-wrap:wrap;gap:10px;}
.wide-links a{
  font-size:14px;font-weight:600;color:var(--green-deep);background:#fff;border:1px solid #D3E4DA;
  border-radius:999px;padding:8px 16px;transition:background .18s ease,color .18s ease,transform .18s ease;
}
.wide-links a:hover{background:var(--green);color:#fff;border-color:var(--green);transform:translateY(-1px);}

/* ============ 使用场景 ============ */
.scene-row{
  display:grid;grid-template-columns:1fr 1fr;gap:var(--s48);align-items:center;
  padding:40px 0;border-bottom:1px dashed var(--line);
}
.scene-row:last-child{border-bottom:0;padding-bottom:0;}
.scene-row:first-child{padding-top:0;}
.scene-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);background:#EDF1EE;box-shadow:var(--sh-sm);
}
.scene-body h3{font-size:24px;}
.scene-body .scene-lead{font-size:16px;color:var(--ink-2);margin-top:12px;}
.scene-body .point-list{margin-top:18px;}
.scene-body .link-more{margin-top:20px;}
.scene-row.reverse .scene-media{order:2;}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--s24);align-items:start;}
.case-col{display:flex;flex-direction:column;gap:var(--s24);}
.case-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-sm);transition:box-shadow .2s ease,border-color .2s ease;
}
.case-card:hover{border-color:#C6DCD0;box-shadow:var(--sh-md);}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDF1EE;}
.case-body{padding:24px 26px 26px;}
.case-body h3{font-size:20px;}
.case-body p{font-size:15px;color:var(--ink-2);margin-top:8px;}
.case-metrics{display:flex;gap:28px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line);flex-wrap:wrap;}
.metric-num{font-size:24px;font-weight:700;color:var(--green);line-height:1.2;}
.metric-num small{font-size:13px;font-weight:600;color:var(--ink-2);margin-left:2px;}
.metric-label{font-size:13px;color:var(--ink-2);}

/* ============ 最新信息 CMS ============ */
.cms-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:var(--s32);align-items:start;}
.post-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-sm);transition:box-shadow .2s ease,border-color .2s ease;
}
.post-main:hover{border-color:#C6DCD0;box-shadow:var(--sh-md);}
.post-main-media img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDF1EE;}
.post-main-body{padding:24px 26px 26px;}
.post-main-body h3{font-size:22px;margin-top:12px;}
.post-main-body h3 a:hover{color:var(--green);}
.post-main-body p{
  font-size:15px;color:var(--ink-2);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.badge{
  display:inline-block;font-size:13px;font-weight:600;color:var(--green-deep);background:var(--green-soft);
  border-radius:999px;padding:3px 12px;line-height:1.7;
}
.badge-warm{color:#A63F1B;background:var(--orange-soft);}
.meta{font-size:13px;color:#8B958F;margin-top:14px;}
.post-side{display:flex;flex-direction:column;}
.post-item{
  display:grid;grid-template-columns:1fr auto;gap:6px 16px;align-items:center;
  padding:18px 14px;border-bottom:1px dashed var(--line);border-radius:8px;
  transition:background .18s ease;
}
.post-item:hover{background:#F7FAF8;}
.post-item .pi-badge{grid-column:1/-1;}
.post-item h4{font-size:16px;font-weight:600;line-height:1.55;}
.post-item:hover h4{color:var(--green-deep);}
.post-item .post-time{font-size:13px;color:#8B958F;white-space:nowrap;}
.empty-box{
  border:1px dashed var(--line);border-radius:var(--r-card);padding:40px 24px;text-align:center;background:#fff;
}
.empty-icon{width:28px;height:28px;margin:0 auto 12px;color:#A9B3AD;}
.empty-box p{font-size:15px;color:var(--ink-2);}
.empty-box .link-more{margin-top:14px;}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s24);align-items:start;}
.price-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
  box-shadow:var(--sh-sm);position:relative;transition:box-shadow .2s ease,border-color .2s ease;
}
.price-card:hover{box-shadow:var(--sh-md);}
.price-card.featured{border-color:#C6DCD0;box-shadow:var(--sh-md);padding-top:34px;}
.price-card.featured::before{
  content:"";position:absolute;left:0;right:0;top:0;height:6px;background:var(--orange);
  border-radius:var(--r-card) var(--r-card) 0 0;
}
.price-name{font-size:18px;font-weight:700;}
.price-num{font-size:34px;font-weight:700;color:var(--ink);margin-top:14px;line-height:1.2;}
.price-num small{font-size:15px;font-weight:600;color:var(--ink-2);margin-left:4px;}
.price-unit{font-size:13px;color:var(--ink-2);margin-top:4px;}
.price-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.price-list li{position:relative;padding-left:22px;font-size:15px;color:var(--ink-2);}
.price-list li::before{
  content:"";position:absolute;left:2px;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--green-soft);border:2px solid var(--green);
}
.price-card .btn{width:100%;margin-top:24px;}
.rec-badge{
  position:absolute;right:24px;top:-13px;background:var(--orange);color:#fff;font-size:13px;font-weight:600;
  border-radius:999px;padding:4px 14px;box-shadow:var(--sh-sm);
}
.compare-wrap{margin-top:var(--s48);overflow-x:auto;}
table.compare{width:100%;border-collapse:collapse;min-width:640px;font-size:15px;background:#fff;}
table.compare th,table.compare td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;}
table.compare thead th{background:var(--green-soft);color:var(--green-deep);font-weight:600;font-size:15px;}
table.compare tbody tr:hover{background:#F7FAF8;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;}
.faq-item{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;transition:border-color .18s ease;}
.faq-item:hover{border-color:#C6DCD0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--green-deep);}
.faq-q .plus{
  flex:none;width:20px;height:20px;position:relative;transition:transform .22s ease;color:var(--green);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-q .plus::before{left:0;top:9px;width:20px;height:2px;}
.faq-q .plus::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-2);background:#F7FAF8;}
.faq-item.open .faq-a{display:block;}
.faq-item.open{background:#F7FAF8;border-color:#C6DCD0;}

/* ============ 深色 CTA ============ */
.cta-band{
  background:var(--footer);border-radius:16px;padding:56px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-40px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(31,107,82,.35),rgba(31,107,82,0) 70%);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:32px;position:relative;}
.cta-band p{color:#B9C4BE;font-size:16px;margin-top:10px;max-width:36em;position:relative;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer);color:#C9D1CC;padding:64px 0 0;margin-top:var(--s88);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-brand{font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand span{color:#63B695;}
.footer-col p{font-size:14px;line-height:1.9;color:#9FAAA4;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:#C9D1CC;transition:color .18s ease;}
.footer-col ul a:hover{color:#63B695;}
.footer-contact li{font-size:14px;color:#C9D1CC;margin-bottom:10px;line-height:1.8;}
.footer-contact strong{color:#fff;font-weight:600;display:inline-block;min-width:64px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8C9791;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .container{padding:0 24px;}
  .band{padding:64px 0;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{max-width:none;}
  .float-card{position:static;margin-top:18px;left:0;bottom:0;}
  .value-strip{grid-template-columns:1fr 1fr;gap:28px 0;}
  .value-item{border-left:0;padding:0;}
  .value-item:nth-child(odd){padding-right:24px;}
  .group-top{grid-template-columns:1fr;}
  .group-side{grid-template-rows:auto;grid-template-columns:1fr 1fr;}
  .scene-row{grid-template-columns:1fr;gap:24px;}
  .scene-row.reverse .scene-media{order:0;}
  .case-grid{grid-template-columns:1fr;gap:24px;}
  .cms-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;gap:20px;}
  .price-card.featured{padding-top:28px;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-band{padding:40px 32px;}
  .cta-band h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .nav-tools{display:none;}
  .search-wrap{display:none;}
  .nav-toggle{display:flex;}
  .nav-cats{display:none;}
  .nav-top{height:64px;justify-content:space-between;}
  .mobile-panel .search-wrap{display:block;}
}
@media (max-width:640px){
  body{font-size:16px;}
  h1{font-size:30px;line-height:1.3;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .container{padding:0 18px;}
  .band{padding:56px 0;}
  .hero{padding:40px 0 48px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .promise-row{gap:10px 18px;}
  .value-strip{grid-template-columns:1fr;}
  .value-item{padding:0 !important;border-bottom:1px dashed var(--line);padding-bottom:20px !important;}
  .value-item:last-child{border-bottom:0;padding-bottom:0 !important;}
  .group-side{grid-template-columns:1fr;}
  .wide-bar{flex-direction:column;align-items:flex-start;}
  .section-head{margin-bottom:28px;}
  .faq-q{font-size:16px;padding:14px 18px;}
  .faq-a{padding:0 18px 18px;}
  .cta-band{padding:32px 22px;border-radius:14px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .case-metrics{gap:20px;}
  .float-card{gap:20px;padding:16px 18px;}
}

/* roulang page: article */
:root{
  --green:#1F6B52;
  --green-dark:#154A39;
  --green-soft:#E8F1EC;
  --ink:#161B19;
  --ink-2:#4F5A55;
  --line:#E2E7E3;
  --bg:#FBFAF7;
  --surface:#FFFFFF;
  --accent:#D9552B;
  --accent-soft:#FBEBE3;
  --r-s:10px;
  --r-m:14px;
  --r-l:16px;
  --r-p:999px;
  --sh-s:0 1px 2px rgba(22,27,25,.06);
  --sh-m:0 6px 20px -8px rgba(22,27,25,.14);
  --sh-l:0 18px 40px -24px rgba(22,27,25,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--green-dark)}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;color:var(--ink)}
ul,ol{margin:0;padding:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-s);
}
.nav-top-inner{
  display:flex;align-items:center;gap:24px;
  height:68px;
}
.brand{
  display:inline-flex;align-items:center;
  font-size:18px;font-weight:700;color:var(--ink);
  white-space:nowrap;letter-spacing:-0.01em;
}
.brand span{color:var(--green)}
.brand:hover{color:var(--ink)}
.nav-search{
  position:relative;
  flex:1 1 auto;max-width:560px;margin:0 auto;
}
.nav-search .search-icon{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--ink-2);pointer-events:none;
}
.nav-search input[type="search"]{
  width:100%;height:48px;
  padding:0 44px 0 44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#F7FAF8;
  color:var(--ink);
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search input[type="search"]::placeholder{color:#8C968F}
.nav-search input[type="search"]:focus{
  background:var(--surface);
  border-color:var(--green);
  box-shadow:0 0 0 3px rgba(31,107,82,.16);
}
.search-clear{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;line-height:1;
  display:none;align-items:center;justify-content:center;
  border:none;border-radius:var(--r-p);
  background:#E7EDE9;color:var(--ink-2);cursor:pointer;
  font-size:15px;
}
.search-clear:hover{background:#DCE5DF;color:var(--green-dark)}
.nav-search.has-value .search-clear{display:flex}
.nav-tools{display:flex;align-items:center;gap:20px;white-space:nowrap}
.tool-link{font-size:14px;color:var(--ink-2);font-weight:500}
.tool-link:hover{color:var(--green)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-s);
  background:var(--surface);color:var(--ink);
  font-size:17px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--green);color:var(--green)}
.nav-cats{border-top:1px solid var(--line);background:var(--surface)}
.cats-inner{
  display:flex;align-items:center;gap:28px;
  height:46px;overflow-x:auto;
  scrollbar-width:none;
}
.cats-inner::-webkit-scrollbar{display:none}
.cat-link{
  display:inline-flex;align-items:center;
  height:46px;font-size:15px;color:var(--ink-2);font-weight:500;
  border-bottom:2px solid transparent;
  white-space:nowrap;
  transition:color .18s ease,border-color .18s ease;
}
.cat-link:hover{color:var(--green)}
.cat-link.active{color:var(--green);font-weight:600;border-bottom-color:var(--green)}
.cat-link:focus-visible{outline:3px solid rgba(31,107,82,.28);outline-offset:-4px;border-radius:4px}

/* ============ 文章头部 ============ */
.article-hero{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:32px 0 44px;
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:14px;line-height:1.7;color:var(--ink-2);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb .sep{color:#B4BDB7}
.breadcrumb .current{color:#8C968F}
.article-title{
  font-size:38px;line-height:1.35;letter-spacing:-0.015em;
  max-width:900px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:20px;font-size:14px;color:var(--ink-2);
}
.meta-badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-p);
  background:var(--green-soft);color:var(--green-dark);
  font-size:13px;font-weight:600;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C3CBC6}
.article-lead{
  max-width:720px;margin-top:26px;
  border-left:3px solid var(--green);
  padding-left:16px;
  font-size:15px;line-height:1.8;color:var(--ink-2);
}

/* ============ 文章正文 ============ */
.article-main{padding:48px 0 8px}
.article-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-s);
  max-width:820px;
  margin:0 auto;
  padding:48px;
}
.article-content{
  font-size:17px;line-height:1.9;color:var(--ink);
  word-wrap:break-word;
}
.article-content h2{
  font-size:26px;line-height:1.35;
  margin:40px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--green);
}
.article-content h2:first-child{margin-top:0}
.article-content h3{font-size:21px;line-height:1.45;margin:28px 0 12px}
.article-content h4{font-size:18px;line-height:1.5;margin:24px 0 10px}
.article-content p{margin:0 0 18px}
.article-content ul,.article-content ol{
  padding-left:24px;margin:0 0 18px;line-height:1.85;
}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin-bottom:8px}
.article-content li::marker{color:var(--green)}
.article-content blockquote{
  margin:0 0 22px;
  padding:20px;
  border-left:3px solid var(--green);
  background:#F7FAF8;
  border-radius:0 var(--r-s) var(--r-s) 0;
  color:var(--ink-2);
  font-size:16px;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{
  width:100%;height:auto;
  border-radius:var(--r-m);
  margin:26px auto 10px;
}
.article-content figure{margin:0 0 22px}
.article-content figcaption{
  font-size:13px;color:var(--ink-2);text-align:center;line-height:1.7;
}
.article-content table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;
  margin:0 0 22px;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:var(--r-s);
}
.article-content th,.article-content td{
  padding:12px 14px;border-bottom:1px solid var(--line);
  text-align:left;white-space:nowrap;
}
.article-content th{background:var(--green-soft);color:var(--green-dark);font-weight:600}
.article-content tr:last-child td{border-bottom:none}
.article-content a{
  color:var(--green);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.article-content a:hover{color:var(--green-dark)}
.article-content strong{font-weight:700}

/* ============ 空态 ============ */
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-m);
  padding:48px 24px;
  text-align:center;
  background:#FCFDFC;
}
.empty-state svg{
  width:44px;height:44px;margin:0 auto 16px;color:#9AA69F;
}
.empty-state p{
  margin:0 0 14px;font-size:15px;color:var(--ink-2);
}
.text-link{
  display:inline-block;
  font-size:15px;font-weight:600;color:var(--green);
  border-bottom:1px solid rgba(31,107,82,.4);
  padding-bottom:2px;
}
.text-link:hover{color:var(--green-dark);border-bottom-color:var(--green-dark)}

/* ============ 标签行 ============ */
.tag-row{
  max-width:820px;margin:28px auto 0;
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
}
.tag-row .tag-label{font-size:14px;color:var(--ink-2);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--r-p);
  background:var(--green-soft);color:var(--green-dark);
  font-size:13px;font-weight:500;
  border:1px solid transparent;
  transition:background .18s ease,border-color .18s ease;
}
.tag:hover{background:#DCEBE3;border-color:#C6DED2;color:var(--green-dark)}

/* ============ 翻页双卡 ============ */
.page-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
  max-width:820px;margin:40px auto 0;
}
.page-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  box-shadow:var(--sh-s);
  color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.page-nav a:hover{border-color:#BFD9CD;box-shadow:var(--sh-m);color:var(--ink)}
.page-nav .pn-label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px}
.page-nav .pn-title{font-size:16px;font-weight:600;line-height:1.5}
.page-nav .pn-arrow{color:var(--green);font-size:18px;flex:none}

/* ============ 相关推荐 ============ */
.related{padding:64px 0 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:28px;
}
.section-head h2{font-size:28px;line-height:1.35}
.section-head p{margin:8px 0 0;font-size:15px;color:var(--ink-2)}
.section-more{font-size:15px;font-weight:600;white-space:nowrap}
.related-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.rel-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  box-shadow:var(--sh-s);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.rel-card:hover{border-color:#BFD9CD;box-shadow:var(--sh-m)}
.rel-thumb{
  aspect-ratio:16/9;background:#EDF1EE;overflow:hidden;
}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-body{padding:20px 22px 22px}
.rel-body h3{font-size:17px;line-height:1.5;margin-bottom:8px}
.rel-body p{margin:0;font-size:14px;line-height:1.75;color:var(--ink-2)}
.rel-meta{
  margin-top:14px;display:flex;align-items:center;gap:10px;
  font-size:13px;color:#8C968F;
}
.rel-card:hover h3{color:var(--green-dark)}

/* ============ 深色 CTA ============ */
.cta-band{
  margin-top:72px;
  background:#131716;
  border-radius:var(--r-l);
  padding:52px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-40px;
  width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);
  pointer-events:none;
}
.cta-band h2{color:#FFFFFF;font-size:28px;line-height:1.4;max-width:560px}
.cta-band p{margin:12px 0 0;color:#A9B4AE;font-size:15px;line-height:1.8;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;
  border-radius:var(--r-s);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark);color:#fff;transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#C24721;color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.7)}
.btn:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:2px}
.btn-ghost:focus-visible{outline:3px solid rgba(255,255,255,.45);outline-offset:2px}

/* ============ 页脚 ============ */
.site-footer{
  background:#131716;
  color:#C9D1CC;
  margin-top:88px;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  color:#FFFFFF;font-size:18px;font-weight:700;margin-bottom:14px;letter-spacing:-0.01em;
}
.footer-brand span{color:#5FB48F}
.footer-col p{margin:0;font-size:14px;line-height:1.85;color:#A9B4AE;max-width:300px}
.footer-col h4{
  color:#FFFFFF;font-size:16px;margin:0 0 16px;font-weight:600;
}
.footer-col ul{list-style:none;display:grid;gap:10px;font-size:14px}
.footer-col ul a{color:#C9D1CC}
.footer-col ul a:hover{color:#5FB48F}
.footer-contact li{line-height:1.8;color:#A9B4AE}
.footer-contact strong{color:#FFFFFF;font-weight:600;margin-right:8px}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8A9490;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-top-inner{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px}
  .brand{font-size:17px;margin-right:auto}
  .nav-tools{display:none}
  .nav-toggle{display:inline-flex}
  .nav-search{order:3;flex:1 1 100%;max-width:none;display:none;margin:4px 0 6px}
  .site-header.nav-open .nav-search{display:block}
  .nav-cats{display:none}
  .site-header.nav-open .nav-cats{display:block}
  .cats-inner{
    flex-direction:column;align-items:stretch;height:auto;
    padding:6px 0 12px;gap:0;overflow:visible;
  }
  .cat-link{height:auto;padding:12px 0;border-bottom:1px solid var(--line)}
  .cat-link.active{border-bottom-color:var(--line)}
  .article-title{font-size:32px}
  .article-card{padding:32px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  body{font-size:16px}
  .container{padding:0 18px}
  .article-hero{padding:24px 0 32px}
  .article-title{font-size:26px;line-height:1.4}
  .article-meta{font-size:13px;gap:10px;margin-top:16px}
  .article-lead{font-size:14px;margin-top:20px}
  .article-main{padding:32px 0 8px}
  .article-card{padding:22px;border-radius:var(--r-m)}
  .article-content{font-size:16px}
  .article-content h2{font-size:22px;margin:32px 0 14px}
  .article-content h3{font-size:19px;margin:24px 0 10px}
  .article-content table{font-size:14px}
  .page-nav{grid-template-columns:1fr;gap:16px;margin-top:28px}
  .related{padding:48px 0 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head h2{font-size:23px}
  .related-grid{grid-template-columns:1fr;gap:18px}
  .cta-band{padding:28px 22px;margin-top:48px}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .site-footer{margin-top:56px;padding-top:44px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: category1 */
:root{
  --green:#1F6B52;
  --green-deep:#154A39;
  --green-light:#E8F1EC;
  --green-soft:#F7FAF8;
  --ink:#161B19;
  --ink-deep:#131716;
  --sub:#4F5A55;
  --muted:#8A948F;
  --border:#E2E7E3;
  --bg:#FBFAF7;
  --card:#FFFFFF;
  --accent:#D9552B;
  --accent-deep:#B5441F;
  --accent-light:#FBEBE3;
  --r-btn:10px;
  --r-card:14px;
  --r-lg:16px;
  --shadow-sm:0 1px 2px rgba(22,27,25,.06);
  --shadow-md:0 6px 20px -8px rgba(22,27,25,.14);
  --shadow-lg:0 18px 40px -24px rgba(22,27,25,.28);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",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:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-sm);
}
.top-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.brand{
  font-size:18px;
  font-weight:700;
  letter-spacing:-0.01em;
  white-space:nowrap;
  flex:none;
}
.brand .brand-mark{color:var(--green)}

.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:560px;
  margin:0 auto;
}
.nav-search .search-icon{
  position:absolute;
  left:15px;
  top:50%;
  transform:translateY(-50%);
  width:18px;
  height:18px;
  color:var(--muted);
  pointer-events:none;
}
.nav-search input[type="search"]{
  width:100%;
  height:48px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--green-soft);
  padding:0 44px 0 44px;
  font-size:15px;
  color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
  appearance:none;
}
.nav-search input[type="search"]::placeholder{color:var(--muted)}
.nav-search input[type="search"]:focus{
  outline:none;
  background:#fff;
  border-color:var(--green);
  box-shadow:0 0 0 3px rgba(31,107,82,.16);
}
.search-clear{
  position:absolute;
  right:8px;
  top:50%;
  transform:translateY(-50%);
  width:32px;
  height:32px;
  border:none;
  border-radius:8px;
  background:transparent;
  color:var(--muted);
  cursor:pointer;
  display:none;
  align-items:center;
  justify-content:center;
  font-size:18px;
  line-height:1;
  transition:background .15s ease,color .15s ease;
}
.search-clear.is-visible{display:flex}
.search-clear:hover{background:var(--green-light);color:var(--green-deep)}
.search-clear:focus-visible{outline:3px solid rgba(31,107,82,.28);outline-offset:1px}

.top-tools{
  display:flex;
  align-items:center;
  gap:20px;
  font-size:14px;
  color:var(--sub);
  flex:none;
}
.top-tools a{
  padding:4px 0;
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.top-tools a:hover{color:var(--green);border-bottom-color:var(--green)}
.top-tools a:focus-visible{outline:3px solid rgba(31,107,82,.28);outline-offset:3px;border-radius:4px}

.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  flex:none;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  transition:border-color .16s ease,background .16s ease;
}
.menu-toggle:hover{border-color:var(--green);background:var(--green-light)}
.menu-toggle:focus-visible{outline:3px solid rgba(31,107,82,.28);outline-offset:2px}
.menu-toggle i{
  display:block;
  position:relative;
  width:18px;
  height:2px;
  background:var(--ink);
  transition:background .18s ease;
}
.menu-toggle i::before,
.menu-toggle i::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--ink);
  transition:transform .2s ease;
}
.menu-toggle i::before{top:-6px}
.menu-toggle i::after{top:6px}
.site-header.nav-open .menu-toggle i{background:transparent}
.site-header.nav-open .menu-toggle i::before{transform:translateY(6px) rotate(45deg)}
.site-header.nav-open .menu-toggle i::after{transform:translateY(-6px) rotate(-45deg)}

.mobile-search-row{display:none;padding:0 0 14px}

.nav-cats{border-top:1px solid var(--border)}
.cats-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:46px;
}
.cat-link{
  font-size:15px;
  color:var(--sub);
  line-height:46px;
  border-bottom:2px solid transparent;
  padding:0 2px;
  transition:color .16s ease,border-color .16s ease;
}
.cat-link:hover{color:var(--green)}
.cat-link:focus-visible{outline:3px solid rgba(31,107,82,.28);outline-offset:2px;border-radius:4px}
.cat-link.active{color:var(--green);font-weight:600;border-bottom-color:var(--green)}

/* ---------- Page hero ---------- */
.page-hero{padding:52px 0 40px}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:var(--sub);
  margin-bottom:22px;
}
.crumb a{transition:color .16s ease}
.crumb a:hover{color:var(--green)}
.crumb .sep{color:#C7D0CB}
.crumb .current{color:var(--muted)}

.hero-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.hero-copy{flex:1 1 460px;min-width:0}
.page-hero h1{
  font-size:48px;
  line-height:1.25;
  letter-spacing:-0.015em;
}
.hero-lead{
  margin:14px 0 0;
  font-size:16px;
  line-height:1.8;
  color:var(--sub);
  max-width:600px;
}

.filter-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  flex:none;
}
.chip{
  height:38px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--sub);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background .16s ease,color .16s ease,border-color .16s ease,transform .16s ease;
}
.chip:hover{border-color:var(--green);color:var(--green)}
.chip:active{transform:translateY(1px)}
.chip:focus-visible{outline:3px solid rgba(31,107,82,.3);outline-offset:2px}
.chip.active{background:var(--green);border-color:var(--green);color:#fff}

/* ---------- Catalog ---------- */
.catalog-section{padding:0 0 88px}
.catalog-layout{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:32px;
  align-items:start;
}

.filter-panel{
  position:sticky;
  top:130px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  padding:20px 18px;
}
.filter-group + .filter-group{
  margin-top:20px;
  padding-top:20px;
  border-top:1px dashed var(--border);
}
.filter-group h3{
  font-size:14px;
  letter-spacing:.02em;
  margin-bottom:10px;
}
.filter-opts{display:grid;gap:2px}
.filter-item{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--sub);
  padding:6px 0;
  cursor:pointer;
  transition:color .16s ease;
}
.filter-item:hover{color:var(--green-deep)}
.filter-item input[type="checkbox"]{
  appearance:none;
  -webkit-appearance:none;
  position:relative;
  flex:none;
  width:16px;
  height:16px;
  border:1px solid #C7D0CB;
  border-radius:4px;
  background:#fff;
  cursor:pointer;
  transition:background .15s ease,border-color .15s ease;
}
.filter-item input[type="checkbox"]:checked{background:var(--green);border-color:var(--green)}
.filter-item input[type="checkbox"]:checked::after{
  content:"";
  position:absolute;
  left:4px;
  top:1px;
  width:5px;
  height:9px;
  border:2px solid #fff;
  border-top:0;
  border-left:0;
  transform:rotate(45deg);
}
.filter-item input[type="checkbox"]:focus-visible{
  outline:3px solid rgba(31,107,82,.25);
  outline-offset:2px;
}

.filter-links{display:grid;gap:8px;font-size:14px}
.filter-links a{
  color:var(--sub);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .16s ease;
}
.filter-links a::before{
  content:"";
  width:5px;height:5px;border-radius:50%;
  background:var(--green);
  flex:none;
}
.filter-links a:hover{color:var(--green-deep)}
.filter-links a:focus-visible{outline:3px solid rgba(31,107,82,.25);outline-offset:2px;border-radius:4px}

.catalog-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:20px;
  padding-bottom:14px;
  border-bottom:1px solid var(--border);
}
.catalog-head h2{font-size:24px;line-height:1.4}
.result-count{font-size:14px;color:var(--muted)}

.product-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.product-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.product-card:hover{
  border-color:#BBD3C7;
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.product-card:focus-within{
  border-color:var(--green);
  box-shadow:0 0 0 3px rgba(31,107,82,.14);
}
.card-media{
  aspect-ratio:16 / 9;
  background:#EDF1EE;
  overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.card-title{font-size:19px;line-height:1.45}
.spec-list{display:grid;gap:6px;font-size:14px;line-height:1.7;color:var(--sub)}
.spec-list li{display:flex;gap:8px;align-items:flex-start}
.spec-list li::before{
  content:"";
  flex:none;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--green);
  margin-top:9px;
}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:4px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--green-light);
  color:var(--green-deep);
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.badge.is-hot{background:var(--accent-light);color:var(--accent-deep)}
.card-link{
  font-size:14px;
  font-weight:600;
  color:var(--green);
  transition:color .16s ease;
  white-space:nowrap;
}
.card-link:hover{color:var(--green-deep);text-decoration:underline;text-underline-offset:3px}
.card-link:focus-visible{outline:3px solid rgba(31,107,82,.28);outline-offset:2px;border-radius:4px}

.empty-state{
  border:1px dashed var(--border);
  border-radius:var(--r-card);
  padding:40px;
  text-align:center;
  background:#fff;
  color:var(--sub);
  font-size:15px;
}
.empty-state svg{width:34px;height:34px;margin:0 auto 12px;color:var(--muted)}
.empty-state a{
  display:inline-block;
  margin-top:12px;
  color:var(--green);
  font-weight:600;
}
.empty-state a:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- Tip block ---------- */
.tip-section{padding:0 0 88px}
.tip-block{
  background:var(--green-light);
  border-left:4px solid var(--green);
  border-radius:var(--r-lg);
  padding:32px 36px;
  display:grid;
  gap:18px;
}
.tip-block h2{font-size:24px;line-height:1.4}
.tip-list{display:grid;gap:10px;font-size:15px;line-height:1.85;color:#2E4038}
.tip-list li{display:flex;gap:10px;align-items:flex-start}
.tip-list li::before{
  content:"";
  flex:none;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--green);
  margin-top:10px;
}
.link-arrow{
  justify-self:start;
  font-size:15px;
  font-weight:600;
  color:var(--green-deep);
  border-bottom:1px solid rgba(21,74,57,.35);
  padding-bottom:2px;
  transition:color .16s ease,border-color .16s ease;
}
.link-arrow:hover{color:var(--green);border-bottom-color:var(--green)}
.link-arrow:focus-visible{outline:3px solid rgba(31,107,82,.28);outline-offset:3px;border-radius:4px}

/* ---------- Related ---------- */
.related-section{padding:0 0 88px}
.section-title{
  font-size:34px;
  line-height:1.35;
  margin-bottom:12px;
}
.section-lead{
  font-size:15px;
  color:var(--sub);
  max-width:640px;
  margin-bottom:28px;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:22px 20px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.related-card:hover{
  border-color:#BBD3C7;
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.related-card:focus-visible{outline:3px solid rgba(31,107,82,.28);outline-offset:2px}
.related-card h3{font-size:18px;line-height:1.5}
.related-card p{font-size:14px;line-height:1.8;color:var(--sub);margin:0}
.related-card span{
  margin-top:6px;
  font-size:14px;
  font-weight:600;
  color:var(--green);
}

/* ---------- FAQ ---------- */
.faq-section{padding:0 0 88px}
.faq-list{max-width:860px}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:12px;
  box-shadow:var(--shadow-sm);
  margin-bottom:12px;
  overflow:hidden;
  transition:background .18s ease,border-color .18s ease;
}
.faq-item[open]{background:var(--green-soft);border-color:#CFE0D6}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:60px;
  padding:0 22px;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--green-deep)}
.faq-item summary:focus-visible{outline:3px solid rgba(31,107,82,.28);outline-offset:-3px;border-radius:12px}
.faq-plus{
  flex:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--green-light);
  color:var(--green-deep);
  font-size:18px;
  line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:var(--green);color:#fff}
.faq-body{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--sub);
  max-width:760px;
}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 88px}
.cta-inner{
  position:relative;
  background:var(--ink-deep);
  border-radius:var(--r-lg);
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
  overflow:hidden;
}
.cta-inner::after{
  content:"";
  position:absolute;
  right:-40px;
  bottom:-60px;
  width:280px;
  height:280px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.07);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:560px}
.cta-copy h2{
  font-size:32px;
  line-height:1.35;
  color:#fff;
  margin-bottom:12px;
}
.cta-copy p{color:#C9D1CC;font-size:15px;line-height:1.85;margin:0}
.cta-actions{
  position:relative;
  z-index:1;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .18s ease,border-color .18s ease,color .18s ease,transform .16s ease,box-shadow .18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:none}
.btn:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:2px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-deep)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-ghost:focus-visible{outline:3px solid rgba(255,255,255,.5);outline-offset:2px}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-deep);
  color:#C9D1CC;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  color:#fff;
  font-size:18px;
  font-weight:700;
  margin-bottom:12px;
}
.footer-brand span{color:#5FB795}
.footer-col p{font-size:14px;line-height:1.85;color:#AEB8B2;margin:0;max-width:320px}
.footer-col h4{
  color:#fff;
  font-size:16px;
  margin-bottom:14px;
  font-weight:600;
}
.footer-col ul{display:grid;gap:10px;font-size:14px}
.footer-col a{color:#C9D1CC;transition:color .16s ease}
.footer-col a:hover{color:#5FB795}
.footer-col a:focus-visible{outline:3px solid rgba(95,183,149,.5);outline-offset:3px;border-radius:4px}
.footer-contact li{color:#AEB8B2;line-height:1.8}
.footer-contact strong{color:#fff;font-weight:600;margin-right:8px}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:#8A948F;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .top-tools{display:none}
  .nav-search{display:none}
  .menu-toggle{display:flex;margin-left:auto}
  .top-inner{gap:16px}
  .nav-cats{display:none}
  .site-header.nav-open .nav-cats{display:block;border-top:1px solid var(--border)}
  .site-header.nav-open .cats-inner{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    height:auto;
    gap:0;
    padding:6px 0 14px;
  }
  .site-header.nav-open .cat-link{
    line-height:1.6;
    padding:12px 2px;
    border-bottom:1px solid var(--border);
  }
  .site-header.nav-open .cat-link.active{border-bottom-color:var(--border);color:var(--green)}
  .site-header.nav-open .mobile-search-row{display:block}
  .mobile-search-row .nav-search{display:block;max-width:none;margin:0}

  .page-hero{padding:40px 0 32px}
  .page-hero h1{font-size:36px}
  .hero-head{flex-direction:column;align-items:flex-start;gap:22px}

  .catalog-layout{grid-template-columns:1fr;gap:28px}
  .filter-panel{position:static;top:auto}
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .cta-inner{padding:40px}
  .cta-copy h2{font-size:26px}
  .section-title{font-size:26px}
}

@media (max-width:640px){
  .container{padding:0 18px}
  body{font-size:16px}
  .brand{font-size:16px}
  .page-hero h1{font-size:30px;line-height:1.3}
  .hero-lead{font-size:15px}
  .filter-chips{gap:8px}
  .chip{height:34px;padding:0 14px;font-size:13px}

  .filter-panel{border:none;box-shadow:none;background:transparent;padding:0}
  .filter-group + .filter-group{margin-top:18px;padding-top:18px}
  .filter-opts{
    display:flex;
    gap:8px;
    overflow-x:auto;
    padding-bottom:6px;
    -webkit-overflow-scrolling:touch;
  }
  .filter-item{
    flex:none;
    background:#fff;
    border:1px solid var(--border);
    border-radius:999px;
    padding:6px 14px;
    white-space:nowrap;
    gap:8px;
  }
  .filter-links{grid-template-columns:1fr 1fr;gap:10px}

  .product-grid{grid-template-columns:1fr;gap:18px}
  .related-grid{grid-template-columns:1fr}
  .catalog-head h2{font-size:20px}
  .catalog-section,.tip-section,.related-section,.faq-section,.cta-band{padding-bottom:56px}

  .tip-block{padding:24px 20px}
  .tip-block h2{font-size:20px}

  .faq-item summary{height:auto;min-height:56px;padding:14px 18px;font-size:16px;line-height:1.5}
  .faq-body{padding:0 18px 18px}

  .cta-inner{padding:32px 22px;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%;width:100%}

  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 0}
  .footer-bottom{flex-direction:column;align-items:flex-start;margin-top:32px}
}

/* roulang page: category2 */
:root{
  --green:#1F6B52;
  --green-dark:#154A39;
  --green-light:#E8F1EC;
  --green-line:#A9CFBE;
  --ink:#161B19;
  --ink-2:#4F5A55;
  --line:#E2E7E3;
  --bg:#FBFAF7;
  --surface:#FFFFFF;
  --soft:#F7FAF8;
  --orange:#D9552B;
  --orange-dark:#BE4721;
  --orange-light:#FBEBE3;
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:16px;
  --sh-sm:0 1px 2px rgba(22,27,25,.06);
  --sh-md:0 6px 20px -8px rgba(22,27,25,.14);
  --sh-lg:0 18px 40px -24px rgba(22,27,25,.28);
  --container:1200px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",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:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--green-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
input,textarea,select{font-family:inherit;font-size:15px}
.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:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border-radius:var(--radius-s);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:2px}
.btn-accent{background:var(--orange);color:#fff}
.btn-accent:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-outline{background:#fff;border-color:var(--green);color:var(--green)}
.btn-outline:hover{background:var(--green-light);color:var(--green-dark);transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(22,27,25,.02);
}
.header-main-inner{
  display:flex;align-items:center;gap:24px;height:68px;
}
.brand{
  font-size:18px;font-weight:700;color:var(--ink);
  white-space:nowrap;letter-spacing:-.01em;
}
.brand span{color:var(--green)}
.brand:hover{color:var(--ink)}
.search-wrap{position:relative;flex:1 1 auto;max-width:560px;display:flex;align-items:center}
.search-wrap .search-icon{
  position:absolute;left:15px;width:18px;height:18px;color:var(--ink-2);pointer-events:none;
}
.search-input{
  width:100%;height:48px;border-radius:12px;
  border:1px solid var(--line);background:var(--soft);
  padding:0 46px 0 44px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-input::placeholder{color:#8B968F;font-size:15px}
.search-input:hover{border-color:var(--green-line)}
.search-input:focus{
  outline:none;background:#fff;border-color:var(--green);
  box-shadow:0 0 0 3px rgba(31,107,82,.16);
}
.search-clear{
  position:absolute;right:8px;width:30px;height:30px;
  display:none;align-items:center;justify-content:center;
  border:0;border-radius:999px;background:#EDF1EE;color:var(--ink-2);
  cursor:pointer;font-size:15px;line-height:1;transition:background .18s ease,color .18s ease;
}
.search-clear:hover{background:var(--green-light);color:var(--green-dark)}
.search-clear:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:1px}
.header-tools{display:flex;align-items:center;gap:20px;font-size:14px;white-space:nowrap}
.header-tools a{color:var(--ink-2);font-weight:500;transition:color .18s ease}
.header-tools a:hover{color:var(--green)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:#fff;cursor:pointer;color:var(--ink);
}
.nav-toggle:hover{border-color:var(--green-line);color:var(--green)}
.nav-toggle:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:2px}
.nav-toggle .bars{position:relative;display:block;width:18px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle .bars::before,.nav-toggle .bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle .bars::before{top:-6px}
.nav-toggle .bars::after{top:6px}

.nav-cats{border-top:1px solid var(--line);background:#fff}
.cats-inner{display:flex;align-items:center;gap:4px;height:46px;overflow-x:auto}
.cat-link{
  display:inline-flex;align-items:center;height:46px;padding:0 14px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.cat-link:hover{color:var(--green);background:var(--soft)}
.cat-link.active{color:var(--green);font-weight:600;border-bottom-color:var(--green)}
.cat-link:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:-3px}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section--alt{background:var(--surface);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;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{font-size:34px;line-height:1.35;font-weight:700}
.section-head p{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:36em}
.link-more{
  font-size:15px;font-weight:600;color:var(--green);
  border-bottom:2px solid currentColor;padding-bottom:2px;white-space:nowrap;
  transition:color .18s ease;
}
.link-more:hover{color:var(--green-dark)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--green);
  transition:gap .18s ease,color .18s ease;
}
.link-arrow::after{content:"→";font-size:16px}
.link-arrow:hover{gap:12px;color:var(--green-dark)}

/* ---------- 首屏 ---------- */
.hero{padding:64px 0 88px;background:var(--bg);position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;right:-120px;top:60px;width:320px;height:320px;
  border-radius:50%;border:1px dashed var(--line);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--green);
  background:var(--green-light);border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.hero h1{font-size:48px;line-height:1.25;font-weight:700;letter-spacing:-.015em;max-width:16em}
.hero-sub{margin-top:18px;font-size:17px;color:var(--ink-2);max-width:32em}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.promise-row{
  display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:32px;
  padding-top:24px;border-top:1px solid var(--line);
  list-style:none;font-size:14px;color:var(--ink-2);
}
.promise-row li{display:flex;align-items:center;gap:8px}
.promise-row li::before{
  content:"";width:14px;height:14px;flex:0 0 14px;border-radius:50%;
  background:var(--green-light);
  border:2px solid var(--green);
  box-shadow:inset 0 0 0 2px #fff;
}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-l);background:#EDF1EE;
  box-shadow:var(--sh-lg);
}
.hero-stats{
  position:absolute;left:-20px;bottom:-24px;
  display:flex;gap:24px;
  background:var(--green-light);border-radius:var(--radius-m);
  padding:16px 22px;box-shadow:var(--sh-md);
}
.hero-stats strong{display:block;font-size:22px;line-height:1.25;color:var(--green-dark);font-weight:700}
.hero-stats span{font-size:13px;color:var(--ink-2);line-height:1.6}

/* ---------- 图文交错 ---------- */
.scene{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:40px 0;border-bottom:1px dashed var(--line);
}
.scene:first-of-type{padding-top:0}
.scene:last-of-type{border-bottom:0;padding-bottom:0}
.scene--reverse .scene-media{order:2}
.scene-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-l);background:#EDF1EE;box-shadow:var(--sh-sm);
  border:1px solid var(--line);
}
.tag{
  display:inline-block;font-size:13px;font-weight:600;color:var(--green-dark);
  background:var(--green-light);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.scene-body h3{font-size:22px;line-height:1.45;font-weight:700;margin-bottom:12px}
.scene-body > p{font-size:15px;color:var(--ink-2);margin-bottom:20px;max-width:30em}
.step-list{list-style:none;display:grid;gap:14px;margin-bottom:24px}
.step-list li{display:flex;gap:14px;align-items:flex-start;font-size:15px;line-height:1.75;color:var(--ink)}
.step-num{
  flex:0 0 28px;width:28px;height:28px;border-radius:999px;
  border:1px solid var(--green);color:var(--green);
  font-size:13px;font-weight:700;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:3px;
}

/* ---------- 矩阵表 ---------- */
.matrix-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--surface);box-shadow:var(--sh-sm);
  -webkit-overflow-scrolling:touch;
}
table.matrix{width:100%;border-collapse:collapse;min-width:720px;font-size:15px}
table.matrix th{
  background:var(--green-light);color:var(--green-dark);
  text-align:left;font-size:15px;font-weight:600;
  padding:16px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.matrix th:first-child{color:var(--ink-2);font-weight:600}
table.matrix td{
  padding:16px 18px;border-bottom:1px solid var(--line);
  color:var(--ink);line-height:1.7;vertical-align:top;
}
table.matrix tbody tr:last-child td{border-bottom:0}
table.matrix tbody tr:hover{background:var(--soft)}
table.matrix td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
table.matrix td a{
  color:var(--green);
  border-bottom:1px solid rgba(31,107,82,.28);
  transition:color .18s ease,border-color .18s ease;
}
table.matrix td a:hover{color:var(--green-dark);border-color:var(--green-dark)}
.matrix-note{margin-top:16px;font-size:14px;color:var(--ink-2)}

/* ---------- 横滑专题 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:var(--surface);
  font-size:13px;color:var(--ink-2);font-weight:500;
}
.chip.is-active{background:var(--green);border-color:var(--green);color:#fff;font-weight:600}
.scroll-row{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 20px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.topic-card{
  flex:0 0 280px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--sh-sm);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.topic-card:hover{border-color:var(--green-line);box-shadow:var(--sh-md)}
.topic-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDF1EE}
.topic-card .topic-body{padding:16px 18px 20px}
.topic-card h3{font-size:17px;line-height:1.5;font-weight:600;margin-bottom:10px}
.topic-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-2)}
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:999px;font-size:13px;font-weight:600;
  background:var(--green-light);color:var(--green-dark);
}
.badge--hot{background:var(--orange-light);color:var(--orange-dark)}
.badge--neutral{background:#F2F5F2;color:var(--ink-2);font-weight:500}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--green-line);box-shadow:var(--sh-sm)}
.faq-q{
  width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;border:0;background:none;cursor:pointer;
  font-size:17px;font-weight:600;line-height:1.5;text-align:left;color:var(--ink);
  transition:background .18s ease,color .18s ease;
}
.faq-q:hover{color:var(--green-dark)}
.faq-q:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:-3px}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;position:relative;
  transition:transform .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--green);border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{left:10px;top:0;width:2px;height:22px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-item.open .faq-q{background:var(--soft)}
.faq-a{
  display:none;padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--ink-2);
}
.faq-item.open .faq-a{display:block;background:var(--soft)}

/* ---------- CTA 条 ---------- */
.inquiry-bar{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--green-light);border-radius:var(--radius-l);
  padding:40px 44px;border:1px solid #D6E6DD;
}
.inquiry-bar h2{font-size:28px;line-height:1.35;font-weight:700;color:var(--ink)}
.inquiry-bar p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:32em}
.inquiry-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#131716;color:#C9D1CC;padding:64px 0 0;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:-.01em}
.footer-brand span{color:#5FB894}
.footer-col p{font-size:14px;line-height:1.85;color:#9DA9A2;max-width:26em}
.footer-col h4{font-size:16px;font-weight:600;color:#fff;margin:0 0 16px}
.footer-col ul{list-style:none;display:grid;gap:10px;font-size:14px}
.footer-col ul a{color:#C9D1CC;transition:color .18s ease}
.footer-col ul a:hover{color:#5FB894}
.footer-col ul a:focus-visible{outline:2px solid #5FB894;outline-offset:3px;border-radius:2px}
.footer-contact li{color:#9DA9A2;line-height:1.7}
.footer-contact strong{display:block;color:#E5EBE7;font-weight:600;font-size:13px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.09);
  padding:20px 0 28px;font-size:13px;color:#8A968F;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .header-main-inner{height:auto;flex-wrap:wrap;padding:12px 0;gap:12px}
  .brand{order:1}
  .nav-toggle{order:2;display:inline-flex;margin-left:auto}
  .search-wrap{order:3;flex:1 1 100%;max-width:none}
  .header-tools{order:4;flex:1 1 100%;gap:18px;font-size:14px;padding-bottom:4px}
  .nav-cats{display:none;max-height:0;overflow:hidden;transition:max-height .25s ease}
  .site-header.menu-open .nav-cats{display:block;max-height:420px}
  .cats-inner{flex-direction:column;align-items:stretch;height:auto;gap:0;padding:6px 0;overflow:visible}
  .cat-link{height:46px;border-bottom:1px solid var(--line);border-left:2px solid transparent;padding:0 12px}
  .cat-link.active{border-bottom-color:var(--line);border-left-color:var(--green);background:var(--soft)}
  .hero{padding:48px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:36px;max-width:none}
  .hero-stats{position:static;margin-top:20px;left:auto;bottom:auto;width:100%;justify-content:space-between}
  .section{padding:64px 0}
  .section-head h2{font-size:28px}
  .scene{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .scene--reverse .scene-media{order:0}
  .faq-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .inquiry-bar{padding:32px}
  .hero::after{display:none}
}
@media (max-width:640px){
  body{font-size:16px}
  .container{padding:0 18px}
  .brand{font-size:16px}
  .hero h1{font-size:28px;line-height:1.3}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .promise-row{flex-direction:column;gap:10px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px;gap:16px}
  .section-head h2{font-size:24px}
  .scene-body h3{font-size:19px}
  .inquiry-bar{padding:24px;gap:20px}
  .inquiry-bar h2{font-size:22px}
  .inquiry-actions{width:100%}
  .inquiry-actions .btn{width:100%}
  .faq-q{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .topic-card{flex:0 0 240px}
  .hero-stats{flex-direction:column;gap:12px}
}

/* roulang page: category3 */
:root{
  --green:#1F6B52;
  --green-dark:#154A39;
  --green-light:#E8F1EC;
  --green-soft:#F7FAF8;
  --ink:#161B19;
  --ink-deep:#131716;
  --text:#4F5A55;
  --line:#E2E7E3;
  --bg:#FBFAF7;
  --card:#FFFFFF;
  --accent:#D9552B;
  --accent-light:#FBEBE3;
  --r-btn:10px;
  --r-card:14px;
  --r-img:16px;
  --sh-sm:0 1px 2px rgba(22,27,25,.06);
  --sh-md:0 6px 20px -8px rgba(22,27,25,.14);
  --sh-lg:0 18px 40px -24px rgba(22,27,25,.28);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:0;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--green);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--green-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.015em;}
h1{font-size:48px;line-height:1.25;}
h2{font-size:34px;line-height:1.35;}
h3{font-size:22px;line-height:1.45;letter-spacing:0;}
h4{font-size:18px;line-height:1.5;letter-spacing:0;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(31,107,82,.42);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-sm);
}
.topbar{
  display:flex;
  align-items:center;
  gap:24px;
  padding:12px 0;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  white-space:nowrap;
  letter-spacing:-.01em;
}
.brand span{color:var(--green);}
.brand:hover{color:var(--ink);}
.brand-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 4px var(--green-light);
  flex:none;
}
.search-wrap{
  flex:1 1 auto;
  max-width:560px;
  position:relative;
  display:flex;
  align-items:center;
}
.search-ico{
  position:absolute;
  left:16px;
  width:18px;height:18px;
  color:var(--text);
  pointer-events:none;
}
.search-input{
  width:100%;
  height:48px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  padding:0 44px 0 44px;
  font-size:15px;
  color:var(--ink);
  transition:border-color .18s ease, box-shadow .18s ease;
}
.search-input::placeholder{color:#93A09A;}
.search-input:hover{border-color:#C9D3CD;}
.search-input:focus{
  outline:none;
  border-color:var(--green);
  box-shadow:0 0 0 3px rgba(31,107,82,.16);
}
.search-clear{
  position:absolute;
  right:10px;
  width:28px;height:28px;
  display:none;
  align-items:center;
  justify-content:center;
  border:0;
  border-radius:50%;
  background:var(--green-light);
  color:var(--green-dark);
  font-size:15px;
  line-height:1;
  cursor:pointer;
}
.search-clear:hover{background:#D8E8DF;}
.search-clear.is-on{display:flex;}
.top-tools{
  display:flex;
  align-items:center;
  gap:20px;
  font-size:15px;
  white-space:nowrap;
}
.top-tools a{color:var(--text);}
.top-tools a:hover{color:var(--green);}
.top-tools .tool-cta{
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 20px;
  background:var(--green);
  color:#fff;
  border-radius:var(--r-btn);
  font-weight:600;
  box-shadow:var(--sh-sm);
}
.top-tools .tool-cta:hover{background:var(--green-dark);color:#fff;transform:translateY(-1px);}
.top-tools .tool-cta:active{transform:none;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  cursor:pointer;
  color:var(--ink);
}
.menu-toggle:hover{border-color:var(--green);color:var(--green);}

.nav-cats{
  border-top:1px solid var(--line);
  background:#fff;
}
.cats-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:46px;
  overflow-x:auto;
  scrollbar-width:none;
}
.cats-inner::-webkit-scrollbar{height:0;}
.cat-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:46px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  white-space:nowrap;
}
.cat-link:hover{color:var(--green);}
.cat-link.active{color:var(--green);font-weight:700;}
.cat-link.active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--green);
  border-radius:2px;
}

/* ---------- 面包屑 ---------- */
.crumbs{
  padding:18px 0 0;
  font-size:14px;
  color:var(--text);
  line-height:1.7;
}
.crumbs a{color:var(--text);}
.crumbs a:hover{color:var(--green);}
.crumbs .sep{margin:0 8px;color:#B6C1BB;}
.crumbs .current{color:#8B968F;}

/* ---------- 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:16px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--green);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--green-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:none;box-shadow:var(--sh-sm);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-sm);}
.btn-accent:hover{background:#BF4823;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-accent:active{transform:none;}
.btn-ghost{background:#fff;color:var(--green);border-color:var(--green);}
.btn-ghost:hover{background:var(--green-light);color:var(--green-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-line-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:var(--green-light);
  color:var(--green-dark);
  font-size:13px;
  font-weight:600;
  line-height:1;
}
.tag-muted{background:#F2F5F2;color:var(--text);font-weight:500;}
.tag-hot{background:var(--accent-light);color:#A8421F;font-weight:600;}

/* ---------- 分节 ---------- */
.section{padding:var(--sp-8) 0;}
.section-tight{padding:var(--sp-7) 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:720px;margin-bottom:var(--sp-6);}
.sec-head h2{margin-bottom:12px;}
.sec-head p{color:var(--text);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--green);
  letter-spacing:.04em;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--green);}

/* ---------- Hero ---------- */
.hero{padding:36px 0 var(--sp-7);}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.hero h1{margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--green);}
.hero-lead{
  max-width:560px;
  font-size:17px;
  color:var(--text);
  margin-bottom:24px;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  margin-top:26px;
  padding-top:22px;
  border-top:1px dashed var(--line);
}
.hero-fact{display:flex;align-items:baseline;gap:8px;font-size:14px;color:var(--text);}
.hero-fact b{font-size:22px;color:var(--green);font-weight:700;line-height:1;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--r-img);
  background:#EDF1EE;
  box-shadow:var(--sh-md);
}
.hero-badge{
  position:absolute;
  left:-16px;
  bottom:-16px;
  display:flex;
  gap:22px;
  background:var(--green-light);
  border-radius:var(--r-card);
  padding:16px 22px;
  box-shadow:var(--sh-sm);
}
.hero-badge div{font-size:13px;color:var(--green-dark);line-height:1.5;}
.hero-badge strong{display:block;font-size:20px;font-weight:700;line-height:1.2;}

/* ---------- 对比表 ---------- */
.table-shell{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.compare{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
  font-size:15px;
}
table.compare th,
table.compare td{
  padding:14px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
table.compare thead th{
  font-size:15px;
  font-weight:600;
  color:var(--green-dark);
  background:var(--green-light);
  line-height:1.5;
}
table.compare thead th:first-child{
  background:#F2F5F2;
  color:var(--text);
  font-weight:600;
}
table.compare tbody th{
  font-weight:500;
  color:var(--text);
  background:#FCFDFC;
  width:150px;
  white-space:nowrap;
}
table.compare td{color:var(--ink);}
table.compare .col-rec{background:#F3F9F6;}
table.compare thead th.col-rec{background:#D8EAE1;}
table.compare tbody tr:last-child th,
table.compare tbody tr:last-child td{border-bottom:0;}
.price-cell{font-weight:700;color:var(--green);font-size:17px;}
.rec-mark{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 8px;
  border-radius:999px;
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:600;
  margin-left:8px;
  vertical-align:middle;
}
.table-note{
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  padding:14px 18px;
  background:var(--green-soft);
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text);
}

/* ---------- 套餐卡 ---------- */
.plans{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:24px;
  align-items:stretch;
}
.plan{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.plan:hover{box-shadow:var(--sh-md);border-color:#CFDDD6;}
.plan-media{background:#EDF1EE;}
.plan-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.plan-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.plan-name{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.plan-name h3{font-size:20px;}
.plan-sub{font-size:14px;color:var(--text);margin-bottom:16px;}
.plan-price{display:flex;align-items:baseline;gap:6px;margin-bottom:18px;}
.plan-price strong{font-size:34px;font-weight:700;color:var(--ink);letter-spacing:-.02em;line-height:1;}
.plan-price span{font-size:13px;color:var(--text);}
.plan-list{display:grid;gap:10px;margin-bottom:24px;}
.plan-list li{
  position:relative;
  padding-left:24px;
  font-size:15px;
  color:var(--text);
  line-height:1.7;
}
.plan-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:14px;height:8px;
  border-left:2px solid var(--green);
  border-bottom:2px solid var(--green);
  transform:rotate(-45deg);
  border-radius:1px;
}
.plan-foot{margin-top:auto;}
.plan .btn{width:100%;}
.plan-rec{border-color:#C8DED3;box-shadow:var(--sh-md);}
.plan-rec::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:6px;
  background:var(--accent);
  z-index:2;
}
.plan-rec .plan-body{padding:26px 28px 28px;}
.plan-rec .plan-price strong{color:var(--green);}
.plan-rec .plan-list{grid-template-columns:1fr 1fr;gap:10px 20px;}

/* ---------- 搭配建议 ---------- */
.tips-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.tip-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-sm);
  transition:box-shadow .2s ease,transform .2s ease;
}
.tip-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.tip-num{
  font-size:14px;
  font-weight:700;
  color:var(--green);
  letter-spacing:.08em;
  margin-bottom:10px;
}
.tip-card h3{font-size:19px;margin-bottom:10px;}
.tip-card p{font-size:15px;color:var(--text);margin-bottom:14px;}
.tip-card ul{display:grid;gap:8px;}
.tip-card ul li{position:relative;padding-left:16px;font-size:14px;color:var(--text);line-height:1.75;}
.tip-card ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--green-light);border:1px solid var(--green);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:#CFDDD6;box-shadow:var(--sh-md);}
.faq-q{
  width:100%;
  min-height:60px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  line-height:1.6;
}
.faq-q:hover{color:var(--green);}
.faq-sign{
  flex:none;
  width:24px;height:24px;
  position:relative;
  border-radius:50%;
  background:var(--green-light);
  transition:transform .2s ease,background .2s ease;
}
.faq-sign::before,
.faq-sign::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--green-dark);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-sign::before{width:11px;height:2px;}
.faq-sign::after{width:2px;height:11px;}
.faq-item.is-open .faq-sign{transform:rotate(45deg);background:#D8E8DF;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s ease;
  background:#F7FAF8;
}
.faq-a-inner{padding:4px 22px 20px;font-size:15px;color:var(--text);line-height:1.9;}
.faq-item.is-open .faq-a{max-height:420px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--ink-deep);
  border-radius:var(--r-img);
  padding:56px;
  overflow:hidden;
  color:#fff;
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-40px;
  width:260px;height:260px;
  border-radius:50%;
  border:18px solid rgba(31,107,82,.28);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:14px;position:relative;z-index:1;}
.cta-band p{color:#C9D1CC;font-size:16px;margin:0;position:relative;z-index:1;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:#C9D1CC;
  padding:64px 0 28px;
  margin-top:var(--sp-8);
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{
  font-size:18px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand span{color:#59B393;}
.footer-col p{font-size:14px;color:#A9B4AE;line-height:1.85;margin:0;}
.footer-col h4{
  color:#fff;
  font-size:16px;
  margin-bottom:16px;
  font-weight:600;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{color:#C9D1CC;font-size:14px;}
.footer-col ul a:hover{color:#59B393;}
.footer-contact li{font-size:14px;color:#C9D1CC;line-height:1.7;}
.footer-contact strong{
  display:inline-block;
  min-width:70px;
  color:#fff;
  font-weight:600;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:#8B968F;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  .topbar{gap:16px;flex-wrap:wrap;}
  .top-tools{display:none;}
  .menu-toggle{display:inline-flex;}
  .search-wrap{order:3;flex-basis:100%;max-width:none;margin-top:4px;}
  .cats-inner{
    display:none;
    height:auto;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 0 14px;
  }
  .nav-cats.is-open .cats-inner{display:flex;}
  .cat-link{height:44px;border-bottom:1px dashed var(--line);}
  .cat-link:last-child{border-bottom:0;}
  .cat-link.active::after{display:none;}
  .cat-link.active{color:var(--green);}
  .hero{padding:26px 0 var(--sp-6);}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-badge{position:static;margin-top:16px;left:0;bottom:0;}
  .plans{grid-template-columns:1fr 1fr;}
  .plan-rec{grid-column:1 / -1;}
  .plan-rec .plan-list{grid-template-columns:1fr 1fr;}
  .tips-grid{grid-template-columns:1fr 1fr;}
  .faq-wrap{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:56px 0;}
}

@media (max-width:640px){
  body{font-size:16px;}
  h1{font-size:30px;line-height:1.3;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .container{padding:0 18px;}
  .brand{font-size:16px;}
  .hero-lead{font-size:16px;}
  .hero-facts{gap:10px 20px;}
  .hero-fact b{font-size:19px;}
  .plans{grid-template-columns:1fr;}
  .plan-rec .plan-list{grid-template-columns:1fr;}
  .tips-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .cta-band h2{font-size:24px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .faq-q{font-size:16px;padding:14px 18px;}
  .faq-a-inner{padding:2px 18px 18px;}
  table.compare{min-width:680px;}
  .table-note{font-size:12px;}
  .btn{height:46px;font-size:15px;padding:0 18px;}
}

/* roulang page: category4 */
:root{
  --green:#1F6B52;
  --green-deep:#154A39;
  --green-soft:#E8F1EC;
  --green-light:#6FCBA3;
  --ink:#161B19;
  --ink-2:#4F5A55;
  --ink-3:#8A948F;
  --line:#E2E7E3;
  --bg:#FBFAF7;
  --card:#FFFFFF;
  --soft:#F2F5F2;
  --orange:#D9552B;
  --orange-soft:#FBEBE3;
  --r-btn:10px;
  --r-card:14px;
  --r-lg:16px;
  --sh-sm:0 1px 2px rgba(22,27,25,.06);
  --sh-md:0 6px 20px -8px rgba(22,27,25,.14);
  --sh-lg:0 18px 40px -24px rgba(22,27,25,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-0.015em;}
h1{font-size:46px;line-height:1.25;}
h2{font-size:34px;line-height:1.35;}
h3{font-size:22px;line-height:1.45;}
h4{font-size:18px;line-height:1.5;letter-spacing:0;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:2px;}

.container{max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-alt{background:var(--card);}

/* ---------- 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:16px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:var(--green);color:#fff;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{background:var(--green-deep);transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-outline{background:transparent;color:var(--green);border-color:var(--green);}
.btn-outline:hover{background:var(--green-soft);color:var(--green-deep);}
.btn-accent{background:var(--orange);}
.btn-accent:hover{background:#BE4520;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-sm{height:44px;padding:0 18px;font-size:15px;}
.btn:disabled{opacity:.45;pointer-events:none;}

/* ---------- 徽章/标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:13px;line-height:1;font-weight:600;
  background:var(--green-soft);color:var(--green-deep);
}
.badge-muted{background:var(--soft);color:var(--ink-2);font-weight:500;}
.badge-accent{background:var(--orange-soft);color:#A63F1C;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--sh-sm);
}
.topbar{
  display:flex;align-items:center;gap:24px;
  height:68px;
}
.brand{
  display:inline-flex;align-items:baseline;gap:2px;
  font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;flex-shrink:0;
  color:var(--ink);
}
.brand span{color:var(--green);}
.brand:hover span{color:var(--green-deep);}
.nav-search{
  position:relative;display:flex;align-items:center;gap:10px;
  flex:1;max-width:560px;margin:0 auto;height:48px;
  padding:0 12px 0 14px;border-radius:12px;
  background:var(--soft);border:1px solid transparent;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search:focus-within{
  background:#fff;border-color:var(--green);
  box-shadow:0 0 0 3px rgba(31,107,82,.16);
}
.nav-search svg{flex-shrink:0;color:var(--ink-3);}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;
  font-size:15px;color:var(--ink);outline:none;
}
.nav-search input::placeholder{color:var(--ink-3);}
.search-clear{
  display:none;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:999px;border:0;cursor:pointer;
  background:#DFE7E2;color:var(--ink-2);font-size:16px;line-height:1;
  transition:background .18s ease,color .18s ease;
}
.search-clear:hover{background:var(--green);color:#fff;}
.topbar-tools{display:flex;align-items:center;gap:18px;flex-shrink:0;}
.tool-link{font-size:15px;color:var(--ink-2);transition:color .18s ease;}
.tool-link:hover{color:var(--green);}
.tool-cta{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;
  color:var(--green);border:1px solid var(--green);
  transition:background .18s ease,color .18s ease;
}
.tool-cta:hover{background:var(--green);color:#fff;}
.menu-toggle{
  display:none;align-items:center;gap:6px;
  height:38px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:15px;font-weight:600;cursor:pointer;
}
.menu-toggle:hover{border-color:var(--green);color:var(--green);}
.nav-cats{border-top:1px solid var(--line);}
.cats-inner{
  display:flex;align-items:center;gap:32px;height:46px;
  overflow-x:auto;scrollbar-width:none;
}
.cats-inner::-webkit-scrollbar{display:none;}
.cat-link{
  position:relative;font-size:15px;color:var(--ink-2);white-space:nowrap;
  padding:12px 0;border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.cat-link:hover{color:var(--green);}
.cat-link.active{color:var(--green);font-weight:600;border-bottom-color:var(--green);}

/* ---------- Hero ---------- */
.hero{padding:48px 0 64px;background:linear-gradient(180deg,#F4F8F5 0%,var(--bg) 100%);}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:24px;}
.crumbs a{color:var(--ink-2);transition:color .18s ease;}
.crumbs a:hover{color:var(--green);}
.crumbs .sep{color:#C6CFCA;}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.hero h1{margin-bottom:18px;}
.hero-sub{font-size:18px;line-height:1.8;color:var(--ink-2);margin-bottom:24px;max-width:560px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);}
.hero-stat b{display:block;font-size:26px;font-weight:700;color:var(--green);line-height:1.2;}
.hero-stat small{font-size:14px;color:var(--ink-2);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh-md);background:#EDF1EE;
}
.hero-note{
  position:absolute;left:-24px;bottom:-24px;
  background:var(--green-soft);border:1px solid #D6E7DD;
  border-radius:var(--r-card);padding:16px 20px;box-shadow:var(--sh-md);
  font-size:14px;line-height:1.7;color:var(--green-deep);max-width:250px;
}
.hero-note strong{display:block;font-size:15px;margin-bottom:2px;}

/* ---------- 知识型两栏 ---------- */
.kb-wrap{padding:72px 0 88px;}
.kb-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:56px;align-items:start;}
.toc{
  position:sticky;top:132px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 16px;box-shadow:var(--sh-sm);
}
.toc-title{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.04em;margin-bottom:10px;padding-left:10px;}
.toc ul li{margin-bottom:2px;}
.toc a{
  display:block;padding:9px 10px;font-size:15px;line-height:1.5;
  color:var(--ink-2);border-left:3px solid transparent;border-radius:0 8px 8px 0;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.toc a:hover{background:#F7FAF8;color:var(--green);}
.toc a.active{background:var(--green-soft);color:var(--green-deep);font-weight:600;border-left-color:var(--green);}
.toc-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);}
.toc-foot a{font-size:14px;color:var(--green);font-weight:600;}
.toc-foot a:hover{color:var(--green-deep);text-decoration:underline;text-underline-offset:3px;}

.kb-body{max-width:760px;}
.kb-lead{
  font-size:17px;color:var(--ink-2);line-height:1.95;
  padding-left:16px;border-left:3px solid var(--green);
  margin-bottom:48px;
}
.kb-section{margin-bottom:56px;scroll-margin-top:150px;}
.kb-section:last-of-type{margin-bottom:0;}
.kb-section h2{
  position:relative;padding-left:16px;margin-bottom:16px;font-size:28px;
}
.kb-section h2::before{
  content:"";position:absolute;left:0;top:.28em;
  width:4px;height:20px;border-radius:2px;background:var(--green);
}
.kb-section h3{margin:28px 0 12px;font-size:20px;}
.kb-section p{color:var(--ink);}
.kb-section p.note{color:var(--ink-2);font-size:16px;}

/* 提示块 */
.tip{border-radius:0 var(--r-card) var(--r-card) 0;padding:18px 20px;margin:24px 0;font-size:16px;line-height:1.85;}
.tip strong{display:block;margin-bottom:4px;font-size:16px;}
.tip-info{background:var(--green-soft);border-left:4px solid var(--green);color:var(--green-deep);}
.tip-warn{background:var(--orange-soft);border-left:4px solid var(--orange);color:#8A3615;}

/* 清单卡 */
.check-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-sm);margin:24px 0;
}
.check-card h4{margin-bottom:14px;font-size:17px;}
.check-list li{
  position:relative;padding-left:28px;font-size:16px;line-height:1.85;
  color:var(--ink-2);margin-bottom:10px;
}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;
  background:var(--green-soft);
  border:1.5px solid var(--green);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:13px;width:6px;height:3px;
  border-left:1.6px solid var(--green);border-bottom:1.6px solid var(--green);
  transform:rotate(-45deg);
}

/* 参数表 */
.table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);box-shadow:var(--sh-sm);}
table.data{width:100%;border-collapse:collapse;min-width:620px;font-size:15px;}
table.data th{
  background:var(--green-soft);color:var(--green-deep);
  font-size:15px;font-weight:600;text-align:left;padding:13px 16px;white-space:nowrap;
}
table.data td{padding:13px 16px;border-top:1px solid var(--line);color:var(--ink-2);}
table.data tbody tr:hover td{background:#F7FAF8;}
table.data td:first-child{color:var(--ink);font-weight:600;}

/* 三小卡 */
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:24px 0;}
.mini-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.mini-card:hover{box-shadow:var(--sh-md);border-color:#CBDED4;}
.mini-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#EDF1EE;}
.mini-card .mini-body{padding:16px 18px 18px;}
.mini-card h4{font-size:16px;margin-bottom:6px;}
.mini-card p{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0;}

/* 文字内链 */
.inline-link{
  color:var(--green);font-weight:600;
  text-decoration:underline;text-underline-offset:3px;
  transition:color .18s ease;
}
.inline-link:hover{color:var(--green-deep);}

/* ---------- FAQ ---------- */
.faq-section{padding:88px 0;background:var(--card);}
.section-head{max-width:680px;margin-bottom:40px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--ink-2);font-size:17px;}
.faq-list{max-width:840px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:60px;padding:18px 4px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s ease,background .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--green);}
.faq-icon{
  position:relative;flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--green-soft);transition:transform .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--green-deep);
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.8px;}
.faq-icon::after{width:1.8px;height:11px;transition:opacity .2s ease;}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:#D3E6DC;}
.faq-item[open] summary{color:var(--green-deep);}
.faq-answer{padding:0 4px 22px;font-size:15.5px;line-height:1.9;color:var(--ink-2);}
.faq-answer p{margin-bottom:10px;}

/* ---------- CTA ---------- */
.cta-band{
  background:#131716;color:#fff;border-radius:var(--r-lg);
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:48px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.07);box-shadow:0 0 0 40px rgba(255,255,255,.03);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:12px;position:relative;z-index:1;}
.cta-band p{color:#C9D1CC;font-size:16px;line-height:1.8;max-width:560px;margin:0;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0;position:relative;z-index:1;}
.cta-section{padding:0 0 88px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#131716;color:#C9D1CC;padding:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:-.01em;}
.footer-brand span{color:var(--green-light);}
.footer-col p{font-size:14.5px;line-height:1.85;color:#9DA8A2;margin:0;}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14.5px;color:#C9D1CC;transition:color .18s ease;}
.footer-col ul li a:hover{color:var(--green-light);}
.footer-contact li{font-size:14.5px;line-height:1.75;color:#9DA8A2;}
.footer-contact strong{display:block;color:#E6EBE8;font-weight:600;font-size:14px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13.5px;color:#7E8A84;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .hero{padding:36px 0 48px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-note{left:16px;bottom:-20px;}
  .kb-layout{grid-template-columns:1fr;gap:32px;}
  .toc{position:static;padding:14px;}
  .toc-title{display:none;}
  .toc ul{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;}
  .toc ul::-webkit-scrollbar{display:none;}
  .toc ul li{margin:0;flex:0 0 auto;}
  .toc a{
    border-left:0;border:1px solid var(--line);border-radius:999px;
    padding:8px 16px;white-space:nowrap;font-size:14px;background:#fff;
  }
  .toc a.active{background:var(--green);color:#fff;border-color:var(--green);}
  .toc-foot{display:none;}
  .mini-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{padding:40px;flex-direction:column;align-items:flex-start;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
  h1{font-size:36px;}
  h2{font-size:28px;}
}
@media (max-width:768px){
  .topbar{height:auto;padding:12px 0 10px;flex-wrap:wrap;row-gap:10px;gap:12px;}
  .brand{font-size:17px;}
  .nav-search{order:3;flex-basis:100%;max-width:none;margin:0;height:44px;}
  .topbar-tools{gap:10px;margin-left:auto;}
  .tool-link{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-cats{display:none;}
  .nav-cats.open{display:block;}
  .nav-cats.open .cats-inner{
    flex-direction:column;align-items:stretch;height:auto;gap:0;
    padding:6px 0 14px;overflow:visible;
  }
  .nav-cats.open .cat-link{padding:12px 4px;border-bottom:1px solid var(--line);border-left:0;}
  .nav-cats.open .cat-link.active{background:var(--green-soft);border-bottom-color:var(--line);border-radius:8px;padding-left:12px;}
  .hero h1{font-size:30px;line-height:1.3;}
  .hero-sub{font-size:16px;}
  .hero-stats{gap:24px;}
  .hero-note{display:none;}
  .kb-lead{font-size:16px;margin-bottom:36px;}
  .kb-section h2{font-size:23px;}
  .kb-section h3{font-size:18px;}
  .mini-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;}
  .cta-band h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .faq-item summary{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  h2{font-size:24px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .section,.faq-section{padding:56px 0;}
  .brand{font-size:16px;}
  .hero{padding:28px 0 40px;}
  .hero h1{font-size:27px;}
  .hero-stats{gap:18px;}
  .hero-stat b{font-size:22px;}
  .check-card{padding:18px;}
  .check-list li{font-size:15px;}
  .tip{padding:16px;font-size:15px;}
  .badge{height:24px;padding:0 10px;font-size:12px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category5 */
:root{
  --brand:#1F6B52;
  --brand-deep:#154A39;
  --brand-soft:#E8F1EC;
  --ink:#161B19;
  --ink-deep:#131716;
  --text:#2C3431;
  --muted:#4F5A55;
  --line:#E2E7E3;
  --bg:#FBFAF7;
  --surface:#FFFFFF;
  --accent:#D9552B;
  --accent-soft:#FBEBE3;
  --danger:#C0392B;
  --r-btn:10px;
  --r-card:14px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(22,27,25,.06);
  --sh-md:0 6px 20px -8px rgba(22,27,25,.14);
  --sh-lg:0 18px 40px -24px rgba(22,27,25,.28);
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-0.01em}
h1{font-size:48px;line-height:1.25;letter-spacing:-0.015em}
h2{font-size:34px;line-height:1.35}
h3{font-size:22px;line-height:1.45}
h4{font-size:18px;line-height:1.5}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.header-top{padding:10px 0}
.header-inner{display:flex;align-items:center;gap:24px;min-height:68px}
.brand{
  display:inline-flex;align-items:baseline;
  font-size:18px;font-weight:700;color:var(--ink);
  letter-spacing:-0.01em;white-space:nowrap;flex:none;
}
.brand span{color:var(--brand)}
.brand:hover{color:var(--ink)}
.search-box{
  position:relative;flex:1 1 auto;max-width:560px;
  display:flex;align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  height:48px;
  padding:0 12px 0 42px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(31,107,82,.16);
}
.search-icon{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--muted);pointer-events:none;
}
.search-box input[type="search"]{
  flex:1;border:0;outline:none;background:transparent;
  font-family:inherit;font-size:15px;color:var(--ink);height:100%;
}
.search-box input::placeholder{color:#8B968F}
.search-clear{
  border:0;background:transparent;cursor:pointer;
  width:28px;height:28px;border-radius:50%;
  color:var(--muted);font-size:18px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s ease,color .18s ease;
}
.search-clear:hover{background:#F2F5F2;color:var(--ink)}
.search-clear:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:2px}
.header-tools{display:flex;align-items:center;gap:20px;flex:none;margin-left:auto}
.header-tools a{
  font-size:14px;font-weight:600;color:var(--muted);
  padding:6px 2px;border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.header-tools a:hover,.header-tools a:focus-visible{color:var(--brand);border-color:var(--brand)}
.menu-toggle{
  display:none;flex:none;margin-left:auto;
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;
  align-items:center;justify-content:center;
  transition:border-color .18s ease,background .18s ease;
}
.menu-toggle:hover{border-color:var(--brand);background:var(--brand-soft)}
.menu-toggle:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:2px}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

.nav-cats{border-top:1px solid var(--line);background:#fff}
.cats-inner{display:flex;align-items:center;gap:8px;height:46px;overflow-x:auto;scrollbar-width:none}
.cats-inner::-webkit-scrollbar{display:none}
.cat-link{
  position:relative;flex:none;
  padding:0 14px;height:46px;line-height:46px;
  font-size:15px;font-weight:600;color:var(--muted);
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.cat-link:hover{color:var(--brand)}
.cat-link:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:-4px;border-radius:6px}
.cat-link.active{color:var(--brand);border-bottom-color:var(--brand)}

.mobile-panel{display:none}
.mobile-panel.is-open{display:block}
.mobile-panel .mobile-search{max-width:none;margin:12px 0}
.mobile-links{display:flex;flex-direction:column;padding-bottom:12px}
.mobile-links a{
  padding:12px 4px;font-size:16px;font-weight:600;color:var(--muted);
  border-bottom:1px dashed var(--line);
}
.mobile-links a.active{color:var(--brand)}
.mobile-tools{display:flex;flex-wrap:wrap;gap:16px;padding:14px 0 18px;border-top:1px solid var(--line)}
.mobile-tools a{font-size:14px;font-weight:600;color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#BE4522;color:#fff}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn-sm{height:44px;font-size:15px;padding:0 20px}
.btn-lg{height:52px;font-size:17px}

/* ---------- Common ---------- */
.section{padding:88px 0}
.section-alt{background:var(--surface)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:16px;color:var(--muted);line-height:1.8}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.tag{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:4px 12px;line-height:1.6;
}
.tag-muted{background:#F2F5F2;color:var(--muted)}
.tag-accent{background:var(--accent-soft);color:#A9401F}

/* ---------- Hero ---------- */
.hero{padding:72px 0 80px;background:linear-gradient(180deg,#FBFAF7 0%,#F4F8F5 100%)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{margin-bottom:18px}
.hero-sub{font-size:18px;line-height:1.8;color:var(--muted);max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-promise{display:flex;flex-wrap:wrap;gap:22px}
.hero-promise li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.hero-promise svg{width:16px;height:16px;color:var(--brand);flex:none}
.hero-figure{position:relative;margin:0}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);background:#EDF1EE;box-shadow:var(--sh-md);
}
.hero-stat{
  position:absolute;left:-24px;bottom:-28px;
  background:var(--brand-soft);
  border:1px solid rgba(31,107,82,.16);
  border-radius:var(--r-card);
  padding:18px 22px;display:flex;gap:28px;
  box-shadow:var(--sh-sm);
}
.hero-stat div{min-width:88px}
.hero-stat strong{display:block;font-size:24px;font-weight:700;color:var(--brand-deep);line-height:1.3}
.hero-stat span{font-size:13px;color:var(--muted);line-height:1.6}

/* ---------- Process ---------- */
.process{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.process::before{
  content:"";position:absolute;top:22px;left:6%;right:6%;height:1px;
  background:var(--line);z-index:0;
}
.step{position:relative;z-index:1;background:transparent}
.step-num{
  width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--brand);
  color:var(--brand);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;line-height:1.8;color:var(--muted)}

/* ---------- Scene strip ---------- */
.scene-strip{
  display:flex;flex-wrap:wrap;gap:12px;
  padding:26px 28px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-sm);
}
.scene-strip h3{width:100%;font-size:16px;margin-bottom:4px}
.scene-strip a{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:8px 16px;transition:background .18s ease,color .18s ease;
}
.scene-strip a:hover{background:var(--brand);color:#fff}

/* ---------- Cases ---------- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.case-card:hover{border-color:rgba(31,107,82,.4);box-shadow:var(--sh-md)}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDF1EE}
.case-body{padding:24px}
.case-body h3{margin-bottom:10px}
.case-body > p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:18px}
.case-metrics{display:flex;gap:32px;padding-top:16px;border-top:1px solid var(--line);margin-bottom:16px}
.case-metrics strong{display:block;font-size:24px;font-weight:700;color:var(--brand);line-height:1.3}
.case-metrics strong small{font-size:13px;font-weight:600;margin-left:2px}
.case-metrics span{font-size:13px;color:var(--muted)}
.case-conclusion{
  font-size:14px;color:var(--brand-deep);background:#F7FAF8;
  border-left:3px solid var(--brand);border-radius:0 8px 8px 0;
  padding:10px 14px;line-height:1.8;
}

/* ---------- Promise ---------- */
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.promise-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-sm);
  transition:box-shadow .18s ease,border-color .18s ease;
}
.promise-item:hover{box-shadow:var(--sh-md);border-color:rgba(31,107,82,.35)}
.promise-icon{
  width:40px;height:40px;border-radius:10px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
  color:var(--brand);
}
.promise-icon svg{width:20px;height:20px}
.promise-item h3{font-size:17px;margin-bottom:8px}
.promise-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- Form ---------- */
.inquiry{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.inquiry-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.inquiry-info h2{margin-bottom:16px}
.inquiry-info > p{font-size:16px;color:var(--muted);line-height:1.9;margin-bottom:24px}
.info-list{display:flex;flex-direction:column;gap:16px;margin-bottom:28px}
.info-list li{display:flex;gap:12px;font-size:15px;line-height:1.8}
.info-list svg{width:18px;height:18px;color:var(--brand);flex:none;margin-top:5px}
.info-list strong{color:var(--ink);font-weight:600}
.contact-box{
  background:var(--brand-soft);border-radius:var(--r-card);
  padding:22px 24px;
}
.contact-box h4{font-size:16px;margin-bottom:12px}
.contact-box dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:14px}
.contact-box dt{color:var(--muted)}
.contact-box dd{margin:0;color:var(--ink);font-weight:600}

.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-sm);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{margin-bottom:20px;display:flex;flex-direction:column}
.field label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field label .req{color:var(--brand);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:15px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 14px;height:48px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.8;resize:vertical}
.field select{appearance:none;background-image:none;cursor:pointer}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,107,82,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#8B968F}
.field .error-text{display:none;font-size:14px;color:var(--danger);margin-top:6px}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger)}
.field.has-error .error-text{display:block}
.form-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:4px}
.form-actions .btn{min-width:180px}
.form-note{font-size:13px;color:var(--muted);line-height:1.7;margin-top:14px}
.form-success{
  display:none;margin-top:16px;font-size:14px;color:var(--brand-deep);
  background:var(--brand-soft);border-radius:var(--r-btn);padding:12px 16px;
}
.form-success.show{display:block}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(31,107,82,.35);box-shadow:var(--sh-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;text-align:left;
  background:transparent;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:3px solid rgba(31,107,82,.35);outline-offset:-3px}
.faq-sign{
  flex:none;width:22px;height:22px;position:relative;
  transition:transform .22s ease;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-sign::before{width:14px;height:2px}
.faq-sign::after{width:2px;height:14px;transition:opacity .22s ease}
.faq-item.open .faq-sign{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--muted);background:#F7FAF8}
.faq-item.open .faq-a{max-height:400px}
.faq-item.open .faq-a-inner{padding-top:16px}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink-deep);
  border-radius:var(--r-lg);
  padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:240px;height:240px;
  border:1px solid rgba(255,255,255,.07);border-radius:50%;
}
.cta-band h2{color:#fff;margin-bottom:12px;font-size:32px}
.cta-band p{color:#C9D1CC;font-size:15px;line-height:1.8;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none;position:relative;z-index:1}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-deep);color:#C9D1CC;padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand span{color:#4FAE87}
.footer-col p{font-size:14px;line-height:1.9;color:#9FA9A3}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:#C9D1CC;transition:color .18s ease}
.footer-col ul a:hover{color:#4FAE87}
.footer-contact li{font-size:14px;line-height:1.8;color:#C9D1CC}
.footer-contact strong{display:block;color:#fff;font-weight:600;font-size:13px;margin-bottom:2px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8B968F;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  h1{font-size:36px}
  h2{font-size:28px}
  .header-tools{display:none}
  .search-box{max-width:none}
  .menu-toggle{display:flex}
  .nav-cats{display:none}
  .header-inner{gap:16px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-stat{position:static;margin-top:18px;left:auto;bottom:auto}
  .process{grid-template-columns:repeat(2,1fr);gap:28px 20px}
  .process::before{display:none}
  .case-grid{grid-template-columns:1fr}
  .promise-grid{grid-template-columns:repeat(2,1fr)}
  .inquiry-grid{grid-template-columns:1fr;gap:36px}
  .faq-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  body{font-size:16px}
  .container{padding:0 18px}
  h1{font-size:30px;line-height:1.3}
  h2{font-size:24px}
  h3{font-size:19px}
  .section{padding:56px 0}
  .hero{padding:44px 0 56px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-stat{gap:20px;padding:16px 18px;flex-wrap:wrap}
  .process{grid-template-columns:1fr}
  .promise-grid{grid-template-columns:1fr}
  .case-metrics{gap:24px}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .cta-band{padding:32px 24px;border-radius:var(--r-card)}
  .cta-band h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:48px;margin-top:56px}
  .footer-bottom{flex-direction:column;gap:8px}
  .scene-strip{padding:20px}
}