/* roulang page: index */
:root{
  --brand:#12433A;
  --brand-dark:#0C302A;
  --brand-light:#1B5C4E;
  --accent:#F2761F;
  --accent-hover:#D9620F;
  --lime:#C9F24D;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --dark:#0C302A;
  --text:#12201C;
  --text-2:#4A5C56;
  --text-3:#8A948F;
  --line:#E3DED2;
  --line-dark:rgba(246,243,236,.16);
  --ok:#1F8A5B;
  --warn:#C4562C;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(18,32,28,.05);
  --sh-2:0 8px 24px -12px rgba(18,32,28,.12);
  --sh-3:0 14px 30px -14px rgba(18,32,28,.22);
  --gap-block:88px;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease;}
a:hover{color:var(--accent-hover);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--text);letter-spacing:.2px;}
h1{font-size:40px;line-height:1.2;}
h2{font-size:28px;line-height:1.35;margin-top:40px;margin-bottom:16px;}
h3{font-size:20px;line-height:1.5;}
p{margin:0 0 22px;}
ul,ol{margin:0 0 22px;padding-left:22px;}
li{margin-bottom:8px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:.5px;}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  transition:all .18s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#FFFFFF;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--accent-hover);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand);color:#FFFFFF;transform:translateY(-1px);}
.btn-on-dark{background:var(--accent);color:#FFFFFF;}
.btn-on-dark:hover{background:var(--accent-hover);color:#FFFFFF;transform:translateY(-1px);}
.btn-outline-dark{background:transparent;color:var(--bg);border-color:var(--line-dark);}
.btn-outline-dark:hover{background:rgba(246,243,236,.08);color:#FFFFFF;border-color:var(--bg);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);
}
.link-arrow .arw{transition:transform .18s ease;display:inline-block;}
.link-arrow:hover{color:var(--accent-hover);}
.link-arrow:hover .arw{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;
  border-radius:var(--r-badge);background:rgba(18,67,58,.08);color:var(--brand);
  font-size:13px;font-weight:600;line-height:1;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.badge-lime{background:rgba(201,242,77,.16);color:var(--brand-light);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-badge);
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);font-size:14px;
  transition:all .18s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-brand-bar{border-bottom:1px solid var(--line);}
.brand-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;transition:height .18s ease;
}
.site-header.is-scrolled .brand-inner{height:56px;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 36px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-light) 100%);
}
.brand-mark::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(246,243,236,.85) 0 3px,transparent 3px 9px);
  opacity:.55;
}
.brand-mark::after{
  content:"";position:absolute;right:6px;bottom:6px;width:9px;height:9px;border-radius:50%;
  background:var(--lime);
}
.brand-name{
  font-size:17px;font-weight:800;color:var(--brand);letter-spacing:.3px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.brand-actions{display:flex;align-items:center;gap:14px;}
.brand-link{font-size:14px;font-weight:700;color:var(--brand);padding:8px 2px;}
.brand-link:hover{color:var(--accent-hover);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;}
.header-channel-bar{background:var(--surface);}
.channel-inner{
  display:flex;align-items:center;gap:24px;height:44px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  font-size:14px;font-weight:600;color:var(--text-2);white-space:nowrap;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:transparent;border-radius:2px 2px 0 0;
  transition:background-color .18s ease;
}
.channel-link:hover{color:var(--brand);}
.channel-link.is-active{color:var(--brand);}
.channel-link.is-active::after{background:var(--accent);}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:64px 0 0 0;background:var(--surface);z-index:130;
  display:none;flex-direction:column;justify-content:space-between;
  border-top:1px solid var(--line);
}
.mobile-drawer.is-open{display:flex;}
.drawer-list{list-style:none;margin:0;padding:8px 0;}
.drawer-list li{margin:0;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 24px;font-size:16px;font-weight:600;color:var(--text);
  border-bottom:1px dashed var(--line);
}
.drawer-list a:hover{background:var(--bg);color:var(--brand);}
.drawer-foot{padding:16px 24px 24px;}
.drawer-foot .btn{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:72px 0 0;
  background:
    radial-gradient(circle at 12% 18%,rgba(201,242,77,.05) 0 2px,transparent 2px) 0 0/22px 22px,
    linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.hero-grid{align-items:center;}
.hero-copy{padding-bottom:48px;}
.hero-eyebrow{margin-bottom:18px;}
.hero h1{font-size:40px;line-height:1.22;margin-bottom:18px;letter-spacing:.3px;}
.hero h1 .hl{color:var(--brand);position:relative;}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;background:rgba(242,118,31,.18);z-index:-1;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:560px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-points{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);margin:0;}
.hero-points li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.25);
}
.hero-media{position:relative;padding-bottom:56px;}
.hero-media img{
  width:100%;border-radius:var(--r-card);box-shadow:var(--sh-3);object-fit:cover;aspect-ratio:4/3;
  transition:transform .18s ease;
}
.hero-media .media-frame{overflow:hidden;border-radius:var(--r-card);}
.hero-media .media-frame:hover img{transform:scale(1.03);}
.hero-float{
  position:absolute;left:-8px;bottom:24px;background:var(--surface);border-radius:var(--r-card);
  padding:14px 18px;box-shadow:var(--sh-3);border:1px solid var(--line);
  display:flex;align-items:center;gap:12px;
}
.hero-float .fv{font-size:24px;color:var(--brand);line-height:1;}
.hero-float .fl{font-size:12px;color:var(--text-3);line-height:1.5;}
.hero-strip{
  background:var(--surface);border-top:1px solid var(--line);
}
.strip-grid{display:flex;flex-wrap:wrap;}
.strip-item{
  flex:1 1 25%;min-width:180px;padding:20px 24px;border-right:1px dashed var(--line);
}
.strip-item:last-child{border-right:0;}
.strip-item .sv{font-size:20px;color:var(--brand);line-height:1.4;}
.strip-item .sl{font-size:13px;color:var(--text-3);line-height:1.6;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--gap-block) 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent);
  letter-spacing:1px;margin-bottom:12px;
}
.section-head .kicker::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}
.section-head h2{margin:0 0 14px;font-size:28px;}
.section-head p{margin:0;color:var(--text-2);font-size:16px;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- 深色指标带 ---------- */
.metrics{
  background:var(--dark);color:var(--bg);position:relative;overflow:hidden;
  padding:64px 0;
}
.metrics::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(118deg,rgba(246,243,236,.05) 0 2px,transparent 2px 16px);
  pointer-events:none;
}
.metrics .container{position:relative;z-index:1;}
.metrics-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px;}
.metrics-head h2{color:#FFFFFF;margin:0;font-size:26px;}
.metrics-head p{color:rgba(246,243,236,.7);margin:6px 0 0;font-size:14px;}
.metric-card{
  background:rgba(246,243,236,.05);border:1px solid var(--line-dark);border-radius:var(--r-card);
  padding:22px 20px;height:100%;
}
.metric-card .mv{font-size:40px;line-height:1.1;color:var(--lime);}
.metric-card .mu{font-size:14px;color:rgba(246,243,236,.6);margin-left:4px;font-weight:600;}
.metric-card .ml{font-size:13px;color:rgba(246,243,236,.66);margin-top:10px;line-height:1.6;}
.metric-card .mtrend{font-size:13px;color:var(--lime);font-weight:700;margin-top:6px;display:inline-block;}

/* ---------- 服务矩阵 ---------- */
.svc-lg{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
  display:flex;flex-direction:column;
}
.svc-lg:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.svc-lg .svc-img{overflow:hidden;aspect-ratio:16/9;}
.svc-lg .svc-img img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease;}
.svc-lg:hover .svc-img img{transform:scale(1.03);}
.svc-lg .svc-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1;}
.svc-lg h3{font-size:20px;margin-bottom:10px;}
.svc-lg p{font-size:15px;color:var(--text-2);margin-bottom:18px;}
.svc-lg .link-arrow{margin-top:auto;}
.svc-sm{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;height:100%;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;display:flex;flex-direction:column;
}
.svc-sm:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.svc-icon{
  width:42px;height:42px;border-radius:12px;background:rgba(18,67,58,.08);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;position:relative;
}
.svc-icon::before{content:"";width:16px;height:16px;border:2px solid var(--brand);border-radius:4px;}
.svc-icon::after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:var(--accent);right:9px;top:9px;}
.svc-sm h3{font-size:18px;line-height:1.5;margin-bottom:8px;}
.svc-sm p{font-size:14px;color:var(--text-2);margin-bottom:16px;}
.svc-sm .link-arrow{margin-top:auto;font-size:13px;}

/* ---------- 流程时间线 ---------- */
.flow-wrap{display:flex;flex-direction:column;gap:0;}
.flow-item{display:flex;gap:20px;padding:0 0 32px;position:relative;}
.flow-item::before{
  content:"";position:absolute;left:19px;top:44px;bottom:0;width:1px;
  background:repeating-linear-gradient(180deg,var(--line) 0 6px,transparent 6px 12px);
}
.flow-item:last-child{padding-bottom:0;}
.flow-item:last-child::before{display:none;}
.flow-node{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;background:var(--accent);color:#FFFFFF;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
}
.flow-body{padding-top:4px;}
.flow-body h3{font-size:18px;margin-bottom:8px;}
.flow-body p{font-size:15px;color:var(--text-2);margin:0;}

/* ---------- 对比 ---------- */
.compare-col{border-radius:var(--r-card);padding:24px;height:100%;}
.compare-left{background:#EFEDE6;border:1px solid var(--line);}
.compare-right{background:rgba(18,67,58,.05);border:1px solid var(--brand);}
.compare-col h3{font-size:18px;margin-bottom:6px;}
.compare-col .csub{font-size:13px;color:var(--text-3);margin-bottom:16px;}
.cmp-row{
  display:flex;align-items:center;gap:12px;min-height:56px;padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);
}
.cmp-row:nth-child(odd){background:rgba(255,255,255,.7);}
.compare-right .cmp-row:nth-child(odd){background:rgba(255,255,255,.85);}
.cmp-mark{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;line-height:1;
}
.mark-x{background:rgba(196,86,44,.12);color:var(--warn);}
.mark-ok{background:rgba(31,138,91,.14);color:var(--ok);}

/* ---------- 用户反馈 ---------- */
.quote-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;height:100%;box-shadow:var(--sh-1);display:flex;flex-direction:column;
}
.quote-card .qs{font-size:15px;color:var(--text-2);margin-bottom:18px;}
.quote-card .meta{display:flex;align-items:center;gap:10px;margin-top:auto;}
.avatar{
  width:36px;height:36px;border-radius:50%;background:var(--brand);color:var(--bg);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex:0 0 36px;
}
.quote-card .who{font-size:14px;font-weight:700;color:var(--text);}
.quote-card .role{font-size:13px;color:var(--text-3);}

/* ---------- 资讯列表 ---------- */
.news-hero-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.news-hero-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.news-hero-card .imgwrap{overflow:hidden;aspect-ratio:16/10;}
.news-hero-card .imgwrap img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease;}
.news-hero-card:hover .imgwrap img{transform:scale(1.03);}
.news-hero-card .body{padding:24px;display:flex;flex-direction:column;flex:1;}
.news-hero-card h3{font-size:20px;line-height:1.5;margin:12px 0 10px;}
.news-hero-card .excerpt{
  font-size:15px;color:var(--text-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-hero-card .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px dashed var(--line);padding-top:14px;
}
.news-list{list-style:none;margin:0;padding:0;}
.news-list li{
  margin:0;padding:18px 0;border-bottom:1px dashed var(--line);
}
.news-list li:first-child{padding-top:0;}
.news-list li:last-child{border-bottom:0;padding-bottom:0;}
.news-item-meta{
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:6px;
}
.news-item-meta .sep{color:var(--line);}
.news-item-title{font-size:16px;font-weight:700;color:var(--text);line-height:1.6;display:block;}
.news-item-title:hover{color:var(--accent-hover);}
.news-item-ex{
  font-size:14px;color:var(--text-3);margin:6px 0 0;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-empty{
  min-height:240px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:32px;
}
.news-empty .empty-icon{
  width:52px;height:52px;border-radius:14px;border:2px dashed var(--line);position:relative;
}
.news-empty .empty-icon::after{
  content:"";position:absolute;left:14px;top:16px;width:22px;height:2px;background:var(--line);
  box-shadow:0 7px 0 var(--line),0 14px 0 var(--line);
}
.news-empty p{margin:0;font-size:14px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:14px 4px;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);line-height:1.6;
  transition:background-color .18s ease;
}
.faq-q:hover{background:rgba(246,243,236,.9);color:var(--brand);}
.faq-sign{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:var(--brand);
  transition:all .18s ease;
}
.faq-item.is-open .faq-sign{background:var(--accent);border-color:var(--accent);color:#FFFFFF;}
.faq-a{
  max-width:720px;overflow:hidden;max-height:0;transition:max-height .25s ease;
}
.faq-a .inner{padding:0 4px 22px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ---------- 表单 ---------- */
.contact-section{background:var(--surface);border-top:1px solid var(--line);}
.contact-points{list-style:none;margin:0 0 28px;padding:0;}
.contact-points li{display:flex;gap:12px;margin-bottom:18px;font-size:15px;color:var(--text-2);}
.contact-points li .cp-num{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;background:rgba(18,67,58,.08);
  color:var(--brand);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.contact-info{border-top:1px dashed var(--line);padding-top:20px;font-size:14px;color:var(--text-2);}
.contact-info div{margin-bottom:8px;}
.contact-info b{color:var(--text);font-weight:700;}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px;
  box-shadow:var(--sh-2);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;color:var(--text);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:var(--bg);color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:#FFFFFF;box-shadow:0 0 0 3px rgba(242,118,31,.14);
}
.form-note{font-size:13px;color:var(--text-3);margin:14px 0 0;line-height:1.7;}
.form-tip{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--r-input);
  background:rgba(31,138,91,.1);color:var(--ok);font-size:14px;font-weight:600;
}
.form-tip.is-show{display:block;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--brand);color:var(--bg);border-radius:var(--r-card);padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.14) 0 2px,transparent 2px) 0 0/18px 18px;
}
.cta-band h2{color:#FFFFFF;margin:0 0 8px;font-size:26px;}
.cta-band p{color:rgba(246,243,236,.78);margin:0;font-size:15px;max-width:560px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:rgba(246,243,236,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{padding-bottom:40px;}
.footer-brand .fb-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .fb-logo .brand-name{color:#FFFFFF;font-size:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(246,243,236,.68);max-width:300px;}
.footer-col h3{
  font-size:15px;color:#FFFFFF;margin:0 0 16px;font-weight:700;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin:0;}
.footer-col a{display:block;font-size:14px;line-height:32px;color:rgba(246,243,236,.72);}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:20px 0;font-size:13px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:rgba(246,243,236,.6);
}
.footer-bottom a{color:rgba(246,243,236,.72);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--brand);color:#FFFFFF;border:0;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-3);opacity:0;visibility:hidden;transition:all .18s ease;z-index:110;font-size:18px;
}
.to-top.is-show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--accent);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1200px){
  .section{padding:64px 0;}
  h1{font-size:34px;}
  .hero h1{font-size:34px;}
}
@media screen and (max-width:992px){
  :root{--gap-block:64px;}
  .metrics{padding:48px 0;}
  .metric-card .mv{font-size:34px;}
  .hero{padding-top:52px;}
}
@media screen and (max-width:768px){
  .container{padding:0 16px;}
  h1{font-size:28px;line-height:1.32;}
  h2{font-size:23px;margin-top:32px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-media{padding-bottom:40px;}
  .hero-float{left:8px;bottom:12px;padding:10px 14px;}
  .strip-item{flex:1 1 50%;min-width:0;padding:16px;border-bottom:1px dashed var(--line);}
  .strip-item:nth-child(2n){border-right:0;}
  .brand-name{font-size:15px;}
  .brand-link{display:none;}
  .nav-toggle{display:flex;}
  .header-channel-bar{display:none;}
  .metrics-head{margin-bottom:24px;}
  .section-head h2{font-size:23px;}
  .cta-band{padding:28px;}
  .cta-band h2{font-size:22px;}
  .form-card{padding:20px;}
  .section{padding:48px 0;}
}
@media screen and (max-width:520px){
  .brand-name{font-size:14px;max-width:150px;}
  .hero-cta .btn{width:100%;}
  .hero-points{gap:8px 16px;}
  .strip-item{flex:1 1 100%;border-right:0;}
  .cmp-row{min-height:auto;}
  .faq-q{font-size:15px;}
}

/* roulang page: article */
:root{
  --brand:#12433A;
  --brand-deep:#0C302A;
  --brand-light:#1B5C4E;
  --amber:#F2761F;
  --amber-dark:#D9620F;
  --lime:#C9F24D;
  --sand:#F6F3EC;
  --card:#FFFFFF;
  --ink:#12201C;
  --ink-2:#4A5C56;
  --ink-3:#8A948F;
  --line:#E3DED2;
  --line-dark:rgba(246,243,236,.16);
  --ok:#1F8A5B;
  --warn:#C4562C;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(18,32,28,.05);
  --sh-2:0 8px 24px -12px rgba(18,32,28,.12);
  --sh-3:0 14px 30px -14px rgba(18,32,28,.22);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);}
a:hover{color:var(--amber);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-weight:800;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.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;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--ease);}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.brand-row{display:flex;align-items:center;justify-content:space-between;height:64px;transition:height var(--ease);gap:16px;}
.site-header.is-scrolled .brand-row{height:56px;}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{position:relative;flex:0 0 auto;width:32px;height:32px;border-radius:9px;background:var(--brand);overflow:hidden;}
.brand-mark::before{content:"";position:absolute;inset:-25%;background:repeating-linear-gradient(135deg,rgba(201,242,77,.9) 0 3px,transparent 3px 10px);}
.brand-mark::after{content:"";position:absolute;left:6px;right:6px;bottom:7px;height:3px;border-radius:2px;background:var(--amber);}
.brand-name{font-size:17px;font-weight:800;color:var(--brand);letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;cursor:pointer;padding:0;position:relative;}
.nav-toggle span{display:block;width:18px;height:2px;margin:3px auto;background:var(--brand);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
.header-channel-bar{border-bottom:1px solid var(--line);background:#fff;}
.channel-inner{display:flex;gap:24px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{position:relative;line-height:44px;font-size:14px;color:var(--ink-2);white-space:nowrap;}
.channel-link:hover{color:var(--brand);}
.channel-link.is-active{color:var(--brand);font-weight:600;}
.channel-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--amber);}

/* ---------- mobile drawer ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:80;background:var(--brand-deep);padding:88px 24px 24px;display:flex;flex-direction:column;justify-content:space-between;}
.mobile-drawer[hidden]{display:none;}
.drawer-list{display:flex;flex-direction:column;}
.drawer-list a{display:flex;align-items:center;justify-content:space-between;min-height:52px;color:#F6F3EC;font-size:16px;border-bottom:1px solid var(--line-dark);}
.drawer-list a::after{content:"›";color:var(--amber);font-size:20px;line-height:1;}
.drawer-list a:hover{color:var(--lime);}
.drawer-cta{margin-top:24px;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;text-align:center;}
.btn-primary{background:var(--amber);color:#fff;}
.btn-primary:hover{background:var(--amber-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand);color:#fff;}
.btn-ghost-light{background:transparent;border-color:rgba(246,243,236,.6);color:#F6F3EC;}
.btn-ghost-light:hover{background:rgba(246,243,236,.12);color:#fff;border-color:#F6F3EC;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.text-link::after{content:"→";transition:transform var(--ease);}
.text-link:hover{color:var(--amber);}
.text-link:hover::after{transform:translateX(4px);}

/* ---------- badges & tags ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-badge);font-size:13px;font-weight:600;background:rgba(18,67,58,.07);color:var(--brand);}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);}
.badge-lime{background:rgba(201,242,77,.2);color:var(--brand-deep);}
.badge-lime::before{background:var(--brand-deep);}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-badge);border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);}
.tag:hover{border-color:var(--amber);color:var(--amber);}

/* ---------- page head band ---------- */
.page-head{position:relative;background:linear-gradient(rgba(12,48,42,.92),rgba(12,48,42,.94)),url(/assets/images/backpic/back-1.webp) center/cover no-repeat;color:#F6F3EC;padding:40px 0 48px;}
.page-head::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(246,243,236,.05) 0 2px,transparent 2px 14px);pointer-events:none;}
.page-head .container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(246,243,236,.66);margin-bottom:20px;}
.breadcrumb a{color:rgba(246,243,236,.8);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:rgba(246,243,236,.4);}
.breadcrumb .current{color:#F6F3EC;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head h1{font-size:34px;line-height:1.4;font-weight:800;color:#fff;margin-top:16px;max-width:860px;}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:18px;font-size:14px;color:rgba(246,243,236,.72);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--amber);}

/* ---------- layout ---------- */
.main-area{padding:48px 0 88px;}
.layout-row{display:flex;flex-wrap:wrap;}
.article-column{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:40px;}
.article-body{font-size:16px;line-height:1.85;color:var(--ink-2);overflow-x:auto;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 22px;}
.article-body h2{position:relative;font-size:28px;line-height:1.38;font-weight:700;color:var(--ink);margin:40px 0 16px;padding-left:14px;}
.article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;border-radius:2px;background:var(--amber);}
.article-body h3{font-size:22px;line-height:1.5;font-weight:600;color:var(--ink);margin:32px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;}
.article-body li{margin-bottom:10px;}
.article-body ul li{position:relative;list-style:none;}
.article-body ul li::before{content:"";position:absolute;left:-18px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--amber);}
.article-body ol{list-style:decimal;}
.article-body ol li::marker{color:var(--amber);font-weight:700;}
.article-body blockquote{margin:0 0 22px;padding:20px;border-left:3px solid var(--brand);background:var(--sand);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--ink-2);}
.article-body img{margin:0 auto 8px;border-radius:var(--r-img);}
.article-body figure{margin:0 0 22px;}
.article-body figcaption{font-size:13px;line-height:1.7;color:var(--ink-3);text-align:center;}
.article-body table{width:100%;min-width:520px;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;font-size:15px;margin:0 0 22px;}
.article-body th{background:var(--brand);color:#fff;text-align:left;padding:12px 16px;font-weight:600;}
.article-body td{padding:12px 16px;border-top:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:#FAF8F3;}
.article-body code{background:#EFECE4;border-radius:6px;padding:2px 6px;font-size:14px;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--amber);}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:32px 0;}

.empty-state{min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-card);background:#FAF8F3;padding:40px 24px;}
.empty-icon{width:54px;height:54px;border-radius:14px;border:1px solid var(--line);position:relative;background:#fff;}
.empty-icon::before{content:"";position:absolute;inset:14px;border-radius:4px;background:repeating-linear-gradient(135deg,rgba(18,67,58,.16) 0 3px,transparent 3px 8px);}
.empty-state p{color:var(--ink-2);font-size:15px;}

/* ---------- article footer ---------- */
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--line);}
.article-foot h3{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:14px;}
.pager-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;}
.pager-card{display:block;padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-card);background:#fff;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.pager-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(242,118,31,.5);}
.pager-card .pager-label{display:block;font-size:13px;color:var(--ink-3);margin-bottom:6px;}
.pager-card .pager-title{display:block;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;}
.pager-card.next{text-align:right;}
.back-row{margin-top:28px;}

/* ---------- sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;}
.sidebar-inner{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px;}
.side-card h2{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.side-links{display:flex;flex-direction:column;}
.side-links a{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);color:var(--ink-2);font-size:15px;line-height:1.6;}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{color:var(--amber);}
.side-links .idx{flex:0 0 auto;width:24px;height:24px;border-radius:6px;background:var(--sand);color:var(--brand);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.side-links a:hover .idx{background:var(--amber);color:#fff;}
.side-cta{background:var(--brand-deep);border-color:var(--brand-deep);color:#F6F3EC;}
.side-cta h2{color:#fff;border-bottom-color:var(--line-dark);}
.side-cta p{font-size:14px;line-height:1.8;color:rgba(246,243,236,.78);margin-bottom:18px;}
.side-cta img{border-radius:var(--r-img);margin-bottom:18px;}
.side-back a{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;}
.side-back a::before{content:"←";}

/* ---------- related ---------- */
.related{padding:0 0 88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head h2{font-size:28px;line-height:1.38;font-weight:800;color:var(--ink);}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease);}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.card-thumb{position:relative;overflow:hidden;background:repeating-linear-gradient(135deg,#EDE8DC 0 6px,#E4DED0 6px 12px);aspect-ratio:16/9;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:18px;line-height:1.6;font-weight:700;color:var(--ink);}
.card-body p{font-size:14px;line-height:1.8;color:var(--ink-2);}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-top:auto;}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);}

/* ---------- CTA band ---------- */
.cta-band{background:var(--brand-deep);color:#F6F3EC;padding:64px 0;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(246,243,236,.05) 0 2px,transparent 2px 16px);}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:28px;line-height:1.4;font-weight:800;color:#fff;margin-bottom:10px;}
.cta-inner p{font-size:15px;color:rgba(246,243,236,.78);max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(246,243,236,.78);padding:64px 0 24px;border-top:1px solid var(--line-dark);}
.footer-grid{padding-bottom:40px;}
.footer-brand .fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.9;max-width:340px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul li a,.footer-col ul li span{font-size:14px;line-height:32px;color:rgba(246,243,236,.78);}
.footer-col ul li a:hover{color:var(--lime);}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:24px;border-top:1px solid var(--line-dark);font-size:13px;color:rgba(246,243,236,.6);}
.footer-bottom a{color:rgba(246,243,236,.75);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- back to top ---------- */
.to-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--brand);font-size:18px;cursor:pointer;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease),transform var(--ease);z-index:50;}
.to-top.is-on{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-2px);color:var(--amber);}

/* ---------- responsive ---------- */
@media screen and (max-width:1200px){
  .article-head h1{font-size:30px;}
}
@media screen and (max-width:992px){
  .article-column{padding:32px 24px;}
  .sidebar-inner{position:static;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:768px){
  .container{padding:0 16px;}
  .brand-actions .btn{display:none;}
  .nav-toggle{display:block;}
  .main-area{padding:32px 0 64px;}
  .article-head h1{font-size:26px;}
  .article-meta{gap:6px 16px;font-size:13px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:19px;}
  .pager-grid{grid-template-columns:1fr;}
  .pager-card.next{text-align:left;}
  .card-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:24px;}
  .cta-band{padding:48px 0;}
  .cta-inner h2{font-size:23px;}
  .related{padding-bottom:64px;}
  .site-footer{padding-top:48px;}
}
@media screen and (max-width:520px){
  .btn{height:44px;padding:0 18px;font-size:14px;}
  .article-head h1{font-size:23px;}
  .article-column{padding:24px 18px;}
}

/* roulang page: category1 */
:root{
  --brand:#12433A;
  --brand-dark:#0C302A;
  --brand-light:#1B5C4E;
  --accent:#F2761F;
  --accent-dark:#D9620F;
  --lime:#C9F24D;
  --bg:#F6F3EC;
  --bg-soft:#FBFAF6;
  --card:#FFFFFF;
  --ink:#12201C;
  --ink-2:#4A5C56;
  --ink-3:#8A948F;
  --line:#E3DED2;
  --line-dark:rgba(246,243,236,.16);
  --ok:#1F8A5B;
  --warn:#C4562C;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(18,32,28,.05);
  --sh-2:0 8px 24px -12px rgba(18,32,28,.12);
  --sh-3:0 14px 30px -14px rgba(18,32,28,.22);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color 180ms ease}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.32;letter-spacing:.01em}
p{margin:0 0 22px}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0;color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.alt-bg{background:var(--bg)}
.white-bg{background:#fff}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,243,236,.96);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow 200ms ease;
}
.site-header.is-scrolled{box-shadow:0 8px 22px -16px rgba(18,32,28,.55)}
.header-brand-bar{height:64px;display:flex;align-items:center;transition:height 200ms ease}
.site-header.is-scrolled .header-brand-bar{height:56px}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.brand{display:flex;align-items:center;gap:10px;color:var(--brand-dark);font-weight:800}
.brand:hover{color:var(--brand-dark)}
.brand-mark{
  position:relative;width:34px;height:34px;flex:0 0 auto;border-radius:9px;
  background:var(--brand-dark);overflow:hidden;
}
.brand-mark::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(201,242,77,.85) 0 3px,rgba(201,242,77,0) 3px 9px);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;border-radius:50%;
  background:var(--accent);transform:translate(-50%,-50%);
}
.brand-name{font-size:18px;letter-spacing:.01em;white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  transition:border-color 180ms ease,background 180ms ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-dark);transition:transform 200ms ease,opacity 200ms ease}
.nav-toggle:hover{border-color:var(--accent)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.header-channel-bar{border-top:1px solid var(--line)}
.channel-inner{display:flex;gap:24px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;
  background:transparent;transition:background 180ms ease;
}
.channel-link:hover{color:var(--brand)}
.channel-link.is-active{color:var(--brand);font-weight:700}
.channel-link.is-active::after{background:var(--accent)}
.mobile-drawer{display:none;background:#fff;border-top:1px solid var(--line);box-shadow:var(--sh-2)}
.mobile-drawer.is-open{display:block}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;font-size:15px;color:var(--ink);border-bottom:1px dashed var(--line);
}
.drawer-list a.is-active{color:var(--brand);font-weight:700}
.drawer-list .arw{color:var(--ink-3)}
.drawer-cta{padding:16px 0 20px}
.drawer-cta .btn{width:100%}

/* ---------- 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:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform 180ms ease,box-shadow 180ms ease,background 180ms ease,color 180ms ease,border-color 180ms ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px -12px rgba(217,98,15,.95)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-sm{height:44px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.link-arrow .arw{transition:transform 180ms ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover .arw{transform:translateX(4px)}

/* ---------- page head ---------- */
.page-head{position:relative;padding:56px 0;background:var(--bg);border-bottom:1px solid var(--line);overflow:hidden}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(18,67,58,.05) 0 2px,rgba(18,67,58,0) 2px 22px);
}
.page-head::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(rgba(18,67,58,.06) 1.5px,transparent 1.6px);background-size:14px 14px;pointer-events:none;
}
.page-head-inner{position:relative;z-index:1}
.breadcrumb{font-size:13px;color:var(--ink-3);margin-bottom:18px}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{margin:0 6px;color:var(--ink-3)}
.breadcrumb .current{color:var(--ink-2)}
.page-head h1{font-size:40px;line-height:1.24;max-width:920px;margin-bottom:18px}
.page-lead{max-width:840px;font-size:16px;line-height:1.85;color:var(--ink-2);margin-bottom:26px}
.anchor-row{display:flex;flex-wrap:wrap;gap:10px}
.anchor-chip{
  display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink-2);box-shadow:var(--sh-1);
  transition:transform 180ms ease,border-color 180ms ease,color 180ms ease,box-shadow 180ms ease;
}
.anchor-chip:hover{border-color:var(--accent);color:var(--accent-dark);transform:translateY(-1px);box-shadow:var(--sh-2)}

/* ---------- section head ---------- */
.section-head{margin-bottom:44px;max-width:820px}
.section-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent-dark);letter-spacing:.08em;margin-bottom:12px}
.section-eyebrow::before{content:"";width:18px;height:2px;background:var(--accent)}
.section-head h2{font-size:28px;line-height:1.36;margin-bottom:14px}
.section-head p{color:var(--ink-2);margin:0}

/* ---------- alternating flow ---------- */
.alt-row{align-items:center;margin-bottom:64px}
.alt-row:last-child{margin-bottom:0}
.alt-media{
  position:relative;aspect-ratio:4/3;border-radius:var(--r-img);overflow:hidden;
  background:var(--brand-dark);box-shadow:var(--sh-2);
}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease}
.alt-media:hover img{transform:scale(1.03)}
.media-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 12px;border-radius:var(--r-badge);
  background:rgba(12,48,42,.86);color:#F6F3EC;font-size:13px;font-weight:600;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.media-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--lime)}
.alt-copy{padding:0 8px}
.alt-step{
  display:inline-flex;align-items:center;height:28px;padding:0 10px;margin-bottom:14px;
  border-radius:var(--r-badge);background:rgba(18,67,58,.08);color:var(--brand);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.alt-copy h2{font-size:28px;line-height:1.36;margin-bottom:16px}
.alt-copy p{color:var(--ink-2);line-height:1.85}
.alt-list li{position:relative;padding-left:22px;margin-bottom:12px;font-size:15px;color:var(--ink-2);line-height:1.75}
.alt-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--accent);opacity:.9}
.alt-copy .link-arrow{margin-top:6px}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
  box-shadow:var(--sh-1);transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6D0C1}
.check-num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;margin-bottom:14px;
  border-radius:11px;background:var(--brand);color:#fff;font-size:15px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.check-card h3{font-size:18px;line-height:1.42;margin-bottom:10px}
.check-card p{margin:0;font-size:15px;line-height:1.78;color:var(--ink-2)}

/* ---------- issue board ---------- */
.issue-board{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.issue-head{display:grid;grid-template-columns:1fr 1.2fr;background:var(--brand-dark);color:#F6F3EC}
.issue-head div{padding:14px 24px;font-size:14px;font-weight:700;letter-spacing:.02em}
.issue-row{display:grid;grid-template-columns:1fr 1.2fr;border-bottom:1px solid var(--line)}
.issue-row:nth-child(odd){background:#fff}
.issue-row:nth-child(even){background:var(--bg-soft)}
.issue-row:last-child{border-bottom:none}
.issue-cell{display:flex;gap:10px;align-items:flex-start;padding:18px 24px;font-size:15px;line-height:1.75}
.issue-sym{color:var(--ink);font-weight:600}
.issue-fix{color:var(--ink-2)}
.issue-sym::before{content:"";width:10px;height:10px;flex:0 0 auto;border-radius:50%;background:var(--warn);margin-top:9px}
.issue-fix::before{content:"";width:10px;height:10px;flex:0 0 auto;border-radius:50%;background:var(--ok);margin-top:9px}

/* ---------- faq ---------- */
.faq-list{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 6px;font-size:17px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;transition:background 180ms ease,color 180ms ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#F1EDE3;color:var(--brand)}
.faq-icon{position:relative;width:22px;height:22px;flex:0 0 auto;border-radius:50%;border:1px solid var(--line);background:#fff}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);transform:translate(-50%,-50%)}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px;transition:transform 180ms ease}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-answer{max-width:720px;padding:2px 6px 22px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-answer p:last-child{margin-bottom:0}

/* ---------- cta band ---------- */
.cta-band{position:relative;background:var(--brand-dark);color:#F6F3EC;padding:64px 0;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.2;
  background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(246,243,236,.05) 0 2px,rgba(246,243,236,0) 2px 20px);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-text{max-width:640px}
.cta-band h2{color:#fff;font-size:28px;line-height:1.36;margin-bottom:10px}
.cta-band p{color:rgba(246,243,236,.76);margin:0;font-size:15px;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-on-dark{background:transparent;border-color:rgba(246,243,236,.5);color:#F6F3EC}
.btn-on-dark:hover{background:rgba(246,243,236,.12);border-color:#F6F3EC;color:#fff}

/* ---------- form ---------- */
.form-wrap{display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;align-items:start}
.form-points li{position:relative;padding-left:30px;margin-bottom:16px;font-size:15px;line-height:1.75;color:var(--ink-2)}
.form-points li::before{
  content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;
  background:rgba(31,138,91,.12);
}
.form-points li::after{
  content:"";position:absolute;left:6px;top:10px;width:5px;height:9px;
  border-right:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(40deg);
}
.contact-meta{margin-top:28px;border-top:1px dashed var(--line);padding-top:22px}
.contact-meta li{font-size:14px;color:var(--ink-2);line-height:32px}
.contact-meta li strong{color:var(--ink);font-weight:700;margin-right:10px}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .form-hint{font-size:14px;color:var(--ink-3);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:10px;
  background:var(--bg-soft);transition:border-color 180ms ease,box-shadow 180ms ease,background 180ms ease;
}
.field textarea{height:auto;min-height:124px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(242,118,31,.16);
}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.form-card .btn{width:100%;margin-top:6px}
.form-note{font-size:13px;line-height:1.7;color:var(--ink-3);margin:14px 0 0}
.form-tip{display:none;margin-top:14px;padding:12px 14px;border-radius:10px;background:rgba(31,138,91,.1);color:#166B47;font-size:14px}
.form-tip.is-on{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:#F6F3EC;padding:64px 0 24px;position:relative}
.footer-grid{padding-bottom:32px}
.footer-brand .fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px;background:var(--brand-light)}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:800;white-space:nowrap}
.footer-brand p{color:rgba(246,243,236,.72);font-size:14px;line-height:1.85;max-width:340px;margin:0}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul li a,.footer-col ul li span,.footer-col ul li{color:rgba(246,243,236,.72);font-size:14px;line-height:32px;display:block}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding-top:20px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(246,243,236,.6);
}
.footer-bottom a{color:rgba(246,243,236,.82)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;width:46px;height:46px;border:none;border-radius:12px;
  background:var(--brand);color:#fff;display:none;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--sh-2);transition:background 180ms ease,transform 180ms ease;
}
.to-top.is-visible{display:flex}
.to-top:hover{background:var(--brand-light);transform:translateY(-2px)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .page-head h1{font-size:36px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .form-wrap{grid-template-columns:1fr;gap:32px}
  .form-card{padding:26px}
  .page-head h1{font-size:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .page-head{padding:40px 0}
  .page-head h1{font-size:28px;line-height:1.35}
  .brand-name{font-size:15px}
  .brand-actions .btn{display:none}
  .nav-toggle{display:flex}
  .header-channel-bar{display:none}
  .alt-row{margin-bottom:48px}
  .alt-media{aspect-ratio:16/10;margin-bottom:20px}
  .alt-copy h2,.section-head h2,.cta-band h2{font-size:22px}
  .check-grid{grid-template-columns:1fr;gap:16px}
  .check-card{padding:22px}
  .issue-head{display:none}
  .issue-row{grid-template-columns:1fr}
  .issue-cell{padding:16px 18px}
  .issue-sym{border-bottom:1px dashed var(--line);padding-bottom:12px}
  .issue-fix{padding-top:12px}
  .faq-item summary{font-size:16px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .btn{height:44px}
  .to-top{right:14px;bottom:16px;width:44px;height:44px}
}
@media (min-width:992px){
  .mobile-drawer{display:none !important}
}
@media (min-width:1024px){
  .alt-row--reverse{flex-direction:row-reverse}
}
@media (max-width:1023px){
  .alt-media-wrap{order:-1}
}

/* roulang page: category2 */
:root{
  --ink:#12201C;
  --ink2:#4A5C56;
  --ink3:#8A948F;
  --brand:#12433A;
  --brand-d:#0C302A;
  --brand-l:#1B5C4E;
  --amber:#F2761F;
  --amber-d:#D9620F;
  --lime:#C9F24D;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --line:#E3DED2;
  --ok:#1F8A5B;
  --warn:#C4562C;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(18,32,28,.05);
  --sh-2:0 8px 24px -12px rgba(18,32,28,.12);
  --sh-3:0 14px 30px -14px rgba(18,32,28,.22);
  --t:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--amber-d);}
p{margin:0 0 22px;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);line-height:1.5;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:2px;
  border-radius:4px;
}
[id]{scroll-margin-top:110px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}

/* ============ 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;text-decoration:none;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
}
.btn-primary{background:var(--amber);color:#fff;box-shadow:0 8px 18px -12px rgba(242,118,31,.95);}
.btn-primary:hover,.btn-primary:focus{background:var(--amber-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--brand);color:#F6F3EC;transform:translateY(-1px);}
.btn-on-dark{background:transparent;border-color:rgba(246,243,236,.5);color:#F6F3EC;}
.btn-on-dark:hover,.btn-on-dark:focus{background:rgba(246,243,236,.12);border-color:#F6F3EC;color:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);}
.link-more::after{content:"→";transition:transform var(--t);}
.link-more:hover{color:var(--amber-d);}
.link-more:hover::after{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;
  border-radius:var(--r-badge);font-size:13px;font-weight:600;line-height:1;
  background:rgba(18,67,58,.08);color:var(--brand);
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);}
.badge-on-dark{background:rgba(246,243,236,.12);color:#F6F3EC;}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink2);
  font-size:14px;font-weight:500;transition:all var(--t);
}
.chip:hover{border-color:var(--amber);color:var(--amber-d);background:#FFF8F1;}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:var(--sh-1);transition:box-shadow var(--t);}
.site-header.is-scrolled{box-shadow:var(--sh-3);}
.brand-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;transition:height var(--t);}
.site-header.is-scrolled .brand-bar{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  position:relative;flex:0 0 auto;width:32px;height:32px;border-radius:9px;
  background:var(--brand);overflow:hidden;
}
.brand-mark::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,transparent 0 6px,rgba(246,243,236,.22) 6px 8px);
}
.brand-mark::after{
  content:"";position:absolute;right:5px;bottom:5px;width:9px;height:9px;border-radius:50%;background:var(--amber);
}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:.01em;}
.brand-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;cursor:pointer;transition:border-color var(--t);
}
.nav-toggle:hover{border-color:var(--brand);}
.nav-toggle-bars{position:relative;display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:background var(--t);}
.nav-toggle-bars::before,.nav-toggle-bars::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);border-radius:2px;}
.nav-toggle-bars::before{top:-6px;}
.nav-toggle-bars::after{top:6px;}

.header-channel-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;}
.channel-inner{display:flex;align-items:stretch;gap:24px;height:44px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;
  font-size:14px;color:var(--ink2);white-space:nowrap;font-weight:500;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;
  background:transparent;transition:background var(--t);
}
.channel-link:hover{color:var(--brand);}
.channel-link.is-active{color:var(--brand);font-weight:700;}
.channel-link.is-active::after{background:var(--amber);}

/* ============ 移动抽屉 ============ */
.mobile-drawer{display:none;}
@media (max-width:767px){
  .mobile-drawer{
    display:flex;flex-direction:column;position:fixed;inset:0;z-index:80;
    background:#fff;padding:16px 20px 24px;
    transform:translateX(100%);transition:transform 220ms ease;
  }
  .mobile-drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;min-height:56px;border-bottom:1px solid var(--line);margin-bottom:8px;}
  .drawer-close{
    width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;
    font-size:22px;line-height:1;color:var(--ink2);cursor:pointer;
  }
  .drawer-nav a{
    display:flex;align-items:center;justify-content:space-between;
    min-height:48px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line);
  }
  .drawer-nav a::after{content:"›";font-size:20px;color:var(--ink3);}
  .drawer-nav a.is-active{color:var(--amber-d);font-weight:700;}
  .drawer-nav a.is-active::after{color:var(--amber-d);}
  .drawer-foot{margin-top:auto;padding-top:20px;}
}

/* ============ 页头 ============ */
.page-hero{
  background:linear-gradient(180deg,#FBF9F3 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:56px 0;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink3);margin-bottom:20px;}
.crumb a{color:var(--ink3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C7C0B0;}
.crumb .current{color:var(--ink2);}
.page-hero h1{font-size:40px;line-height:1.35;font-weight:800;margin-bottom:20px;letter-spacing:-.01em;}
.page-hero .hero-lead{font-size:16px;line-height:1.85;color:var(--ink2);max-width:620px;margin-bottom:28px;}
.anchor-row{display:flex;flex-wrap:wrap;gap:10px;}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);background:#EAE5DA;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-badge{
  position:absolute;left:18px;bottom:18px;display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.94);border-radius:var(--r-badge);padding:8px 12px;
  font-size:13px;font-weight:600;color:var(--brand);box-shadow:var(--sh-1);
}
.hero-badge .num{font-size:18px;font-weight:800;color:var(--amber-d);font-variant-numeric:tabular-nums;}

/* ============ 板块标题 ============ */
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em;margin-bottom:12px;}
.sec-eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--amber);}
.sec-head h2{font-size:28px;line-height:1.45;font-weight:800;margin-bottom:16px;}
.sec-head p{font-size:16px;line-height:1.85;color:var(--ink2);margin:0;}
.sec-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;}
.sec-head-row .sec-head{margin-bottom:0;}

/* ============ 时间线 ============ */
.timeline{margin:0;padding:0;}
.tl-item{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);gap:24px;padding-bottom:40px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item:not(:last-child)::before{
  content:"";position:absolute;left:28px;top:58px;bottom:6px;
  border-left:1px dashed #CFC7B4;
}
.tl-node{
  position:relative;z-index:1;width:44px;height:44px;margin-left:6px;border-radius:50%;
  background:var(--amber);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 16px -10px rgba(242,118,31,.95);
}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tl-item:hover .tl-body{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8D1C2;}
.tl-body h3{font-size:20px;line-height:1.5;font-weight:700;margin-bottom:10px;}
.tl-body p{font-size:15px;line-height:1.85;color:var(--ink2);margin:0;}
.tl-points{margin-top:14px;display:grid;gap:8px;}
.tl-points li{position:relative;padding-left:20px;font-size:14px;line-height:1.75;color:var(--ink2);}
.tl-points li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--brand);
}

/* ============ 深色数据带 ============ */
.metrics-band{position:relative;background:var(--brand-d);color:#F6F3EC;padding:64px 0;overflow:hidden;}
.metrics-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,transparent 0 22px,rgba(246,243,236,.05) 22px 24px);
}
.metrics-band .container{position:relative;z-index:1;}
.metric{padding:8px 0;}
.metric-num{font-size:40px;font-weight:800;line-height:1.1;color:var(--lime);font-variant-numeric:tabular-nums;}
.metric-unit{font-size:14px;font-weight:600;color:rgba(246,243,236,.7);margin-left:6px;}
.metric-desc{font-size:13px;line-height:1.7;color:rgba(246,243,236,.72);margin-top:6px;}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.scene-card{height:100%;padding:26px 24px;}
.scene-icon{
  width:40px;height:40px;border-radius:11px;background:rgba(18,67,58,.07);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.scene-icon span{width:12px;height:12px;border-radius:4px;background:var(--brand);position:relative;}
.scene-icon span::after{content:"";position:absolute;right:-5px;bottom:-5px;width:7px;height:7px;border-radius:50%;background:var(--amber);}
.scene-card h3{font-size:18px;line-height:1.5;font-weight:700;margin-bottom:10px;}
.scene-card p{font-size:14px;line-height:1.8;color:var(--ink2);margin:0;}

/* ============ 对照 ============ */
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.compare-col.is-right{border-color:var(--brand);background:#FBF9F3;}
.compare-head{padding:20px 24px;font-size:16px;font-weight:700;border-bottom:1px solid var(--line);color:var(--ink);}
.compare-col.is-right .compare-head{background:var(--brand);color:#F6F3EC;border-bottom-color:transparent;}
.compare-row{
  display:flex;align-items:flex-start;gap:12px;
  min-height:56px;padding:16px 24px;font-size:15px;line-height:1.7;color:var(--ink2);
}
.compare-row:nth-child(odd){background:rgba(227,222,210,.22);}
.compare-col.is-right .compare-row:nth-child(odd){background:rgba(18,67,58,.05);}
.dot{
  flex:0 0 auto;width:20px;height:20px;margin-top:3px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;color:#fff;line-height:1;
}
.dot-x{background:var(--ink3);}
.dot-v{background:var(--ok);}

/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--t),border-color var(--t);
}
.faq-item:hover{background:#FFFDF8;}
.faq-item[open]{box-shadow:var(--sh-2);border-color:#D8D1C2;}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:56px;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:22px;font-weight:400;line-height:1;color:var(--amber);
  transition:transform var(--t);
}
.faq-item[open] summary::after{content:"−";}
.faq-a{max-width:720px;padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink2);}

/* ============ CTA 表单 ============ */
.cta-band{
  position:relative;color:#F6F3EC;padding:88px 0;
  background-image:linear-gradient(rgba(12,48,42,.93),rgba(12,48,42,.95)),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.45;font-weight:800;margin-bottom:18px;}
.cta-band .lead{color:rgba(246,243,236,.78);font-size:16px;line-height:1.85;margin-bottom:28px;}
.cta-points{display:grid;gap:14px;margin-bottom:32px;}
.cta-points li{position:relative;padding-left:26px;font-size:15px;line-height:1.75;color:rgba(246,243,236,.86);}
.cta-points li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:3px;border-radius:2px;background:var(--lime);
}
.cta-meta{display:grid;gap:8px;font-size:14px;line-height:1.9;color:rgba(246,243,236,.7);}
.cta-meta a{color:#F6F3EC;border-bottom:1px solid rgba(246,243,236,.35);}
.cta-meta a:hover{color:var(--lime);border-bottom-color:var(--lime);}
.form-card{background:#fff;border-radius:16px;padding:32px;box-shadow:var(--sh-3);color:var(--ink);}
.form-card h3{font-size:20px;font-weight:800;margin-bottom:6px;}
.form-card .form-note{font-size:14px;color:var(--ink3);margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;margin:0;
  border:1px solid var(--line);border-radius:var(--r-input);
  background:#FCFBF8;color:var(--ink);font-size:15px;font-family:inherit;
  transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink3) 50%),linear-gradient(135deg,var(--ink3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field textarea{height:118px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--amber);background:#fff;box-shadow:0 0 0 3px rgba(242,118,31,.14);
}
.form-foot{margin-top:22px;}
.privacy-note{font-size:13px;line-height:1.7;color:var(--ink3);margin:12px 0 0;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-d);color:#F6F3EC;padding-top:64px;}
.site-footer .brand-mark{background:var(--brand-l);}
.site-footer .brand-mark::after{background:var(--lime);}
.footer-grid{padding-bottom:40px;}
.fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.fb-logo .brand-name{color:#F6F3EC;font-size:17px;font-weight:800;}
.footer-brand p{color:rgba(246,243,236,.72);font-size:14px;line-height:1.9;max-width:330px;margin:0;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:0;}
.footer-col li{line-height:32px;font-size:14px;}
.footer-col a{color:rgba(246,243,236,.78);font-size:14px;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(246,243,236,.16);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(246,243,236,.62);
}
.footer-bottom a{color:rgba(246,243,236,.82);}
.footer-bottom a:hover{color:var(--lime);}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:60;
  width:46px;height:46px;border:0;border-radius:12px;cursor:pointer;
  background:var(--brand);color:#F6F3EC;display:flex;align-items:center;justify-content:center;
  font-size:18px;line-height:1;box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t),background-color var(--t);
}
.to-top.is-visible{opacity:1;visibility:visible;}
.to-top:hover{background:var(--brand-l);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .page-hero h1{font-size:34px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .page-hero{padding:44px 0;}
  .page-hero h1{font-size:30px;}
  .sec-head h2{font-size:25px;}
  .cta-band{padding:64px 0;}
  .cta-band h2{font-size:24px;}
  .compare-wrap{grid-template-columns:1fr;}
  .hero-media{margin-top:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-toggle{display:inline-flex;}
  .header-channel-bar{display:none;}
  .brand-actions .btn{display:none;}
  .brand-name{font-size:15px;}
  .page-hero{padding:32px 0;}
  .page-hero h1{font-size:26px;line-height:1.4;}
  .page-hero .hero-lead{font-size:15px;}
  .section{padding:48px 0;}
  .sec-head{margin-bottom:32px;}
  .sec-head h2{font-size:23px;}
  .tl-item{grid-template-columns:44px minmax(0,1fr);gap:16px;padding-bottom:28px;}
  .tl-item:not(:last-child)::before{left:22px;top:46px;}
  .tl-node{width:34px;height:34px;margin-left:5px;font-size:13px;}
  .tl-body{padding:20px 18px;}
  .tl-body h3{font-size:18px;}
  .metric-num{font-size:32px;}
  .form-card{padding:24px 20px;margin-top:28px;}
  .btn{height:44px;padding:0 20px;}
  .metrics-band{padding:48px 0;}
}
@media (max-width:575px){
  .compare-row{padding:14px 18px;}
  .compare-head{padding:16px 18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --brand:#12433A;
  --brand-dark:#0C302A;
  --brand-light:#1B5C4E;
  --accent:#F2761F;
  --accent-dark:#D9620F;
  --lime:#C9F24D;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --text:#12201C;
  --text-2:#4A5C56;
  --text-3:#8A948F;
  --line:#E3DED2;
  --line-dark:rgba(246,243,236,.16);
  --ok:#1F8A5B;
  --warn:#C4562C;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(18,32,28,.05);
  --sh-2:0 8px 24px -12px rgba(18,32,28,.12);
  --sh-3:0 14px 30px -14px rgba(18,32,28,.22);
  --container:1200px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color 180ms ease}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text)}
p{margin:0 0 22px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
section[id]{scroll-margin-top:120px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- grid gap ---------- */
.gx-gap{margin-left:-12px;margin-right:-12px;row-gap:24px}
.gx-gap>.cell{padding-left:12px;padding-right:12px}
.gx-gap-tight{row-gap:16px}

/* ---------- 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:15px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background 180ms ease,color 180ms ease,border-color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 22px -12px rgba(242,118,31,.75)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-ghost-light{background:transparent;border-color:rgba(246,243,236,.55);color:#F6F3EC}
.btn-ghost-light:hover{background:rgba(246,243,236,.12);color:#fff;border-color:rgba(246,243,236,.8)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- text link ---------- */
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);margin-top:auto}
.link-more .arrow{display:inline-block;transition:transform 180ms ease}
.link-more:hover{color:var(--accent)}
.link-more:hover .arrow{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:var(--sh-1);transition:box-shadow 180ms ease}
.site-header.is-scrolled{box-shadow:0 6px 18px -12px rgba(18,32,28,.35)}
.header-brand-bar{background:#fff}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;transition:height 180ms ease}
.site-header.is-scrolled .brand-inner{height:56px}
.brand-logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);min-width:0}
.brand-logo:hover{color:var(--text)}
.brand-mark{position:relative;flex:0 0 32px;width:32px;height:32px;border-radius:9px;overflow:hidden;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-light) 100%)}
.brand-mark::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(246,243,236,.26) 0 2px,transparent 2px 7px)}
.brand-mark::after{content:"";position:absolute;right:5px;bottom:5px;width:9px;height:9px;border-radius:50%;background:var(--accent)}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform 180ms ease,opacity 180ms ease}
.nav-toggle:hover{border-color:var(--accent)}
.nav-toggle:hover span{background:var(--accent)}

.header-channel-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.channel-inner{display:flex;align-items:center;gap:24px;height:44px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{position:relative;flex:0 0 auto;height:44px;line-height:44px;font-size:14px;color:var(--text-2);transition:color 180ms ease}
.channel-link:hover{color:var(--brand)}
.channel-link.is-active{color:var(--brand);font-weight:700}
.channel-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;border-radius:2px 2px 0 0;background:var(--accent)}

/* ---------- mobile drawer ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:90;background:rgba(12,48,42,.985);display:flex;flex-direction:column;padding:18px 20px 0;overflow-y:auto}
.mobile-drawer[hidden]{display:none !important}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line-dark)}
.drawer-brand{display:flex;align-items:center;gap:10px;color:#F6F3EC;font-weight:800;font-size:16px}
.drawer-close{width:44px;height:44px;border:1px solid var(--line-dark);background:transparent;color:#F6F3EC;border-radius:var(--r-btn);cursor:pointer}
.drawer-close:hover{border-color:var(--accent);color:var(--accent)}
.drawer-list{list-style:none;margin:8px 0 0;padding:0}
.drawer-list li{border-bottom:1px solid var(--line-dark)}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:52px;color:rgba(246,243,236,.88);font-size:16px;font-weight:500}
.drawer-link:hover{color:var(--accent)}
.drawer-link.is-active{color:#fff;font-weight:700}
.drawer-link.is-active::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.drawer-foot{margin-top:auto;padding:24px 0 28px}
.drawer-foot .btn{width:100%}

/* ---------- page hero ---------- */
.page-hero{position:relative;background:var(--bg);border-bottom:1px solid var(--line);padding:56px 0;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(18,67,58,.045) 0 1px,transparent 1px 18px);pointer-events:none}
.page-hero>.container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#c9c3b5}
.breadcrumb .current{color:var(--text-2)}
.page-hero h1{font-size:40px;line-height:1.28;font-weight:800;letter-spacing:.2px;max-width:940px;margin-bottom:16px}
.hero-lead{max-width:800px;font-size:16px;line-height:1.85;color:var(--text-2);margin-bottom:26px}
.anchor-tabs{display:flex;flex-wrap:wrap;gap:10px}
.anchor-tab{display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14px;transition:all 180ms ease}
.anchor-tab:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px);box-shadow:var(--sh-1)}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:40px}
.section-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1.6px;color:var(--accent);margin-bottom:12px}
.section-eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}
.section-head h2{font-size:28px;line-height:1.38;font-weight:800;margin-bottom:16px}
.section-head p{color:var(--text-2);font-size:16px;line-height:1.85;margin:0}

/* ---------- cards ---------- */
.card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#d8d1c1}
.card-media{overflow:hidden;background:#e9e4d7;border-bottom:1px solid var(--line)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-media-lg img{height:262px}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body-sm{padding:22px;gap:10px}
.card-title{font-size:20px;line-height:1.45;font-weight:700;margin:0}
.card-title-sm{font-size:18px;line-height:1.5;font-weight:700;margin:0}
.card-text{font-size:15px;line-height:1.8;color:var(--text-2);margin:0}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(18,67,58,.10),rgba(27,92,78,.04));
  border:1px solid rgba(18,67,58,.08);color:var(--brand);font-size:17px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;
  border-radius:var(--r-badge);background:rgba(18,67,58,.07);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.2px;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.badge-lime{background:rgba(201,242,77,.18);color:#3d5200}
.badge-lime .dot{background:#5f7a12}

/* ---------- track steps ---------- */
.track-steps{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.track-steps::before{
  content:"";position:absolute;top:19px;left:5%;right:5%;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 15px);
}
.track-step{position:relative;padding-top:0}
.track-num{
  position:relative;z-index:1;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  background:var(--accent);color:#fff;font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;box-shadow:0 0 0 6px #fff;
}
.track-step h3{font-size:18px;line-height:1.5;margin-bottom:8px}
.track-step p{font-size:15px;line-height:1.8;color:var(--text-2);margin:0}

/* ---------- stat band ---------- */
.stat-band{position:relative;background:var(--brand-dark);color:#F6F3EC;padding:64px 0;overflow:hidden}
.stat-band::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(246,243,236,.05) 0 2px,transparent 2px 22px)}
.stat-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(246,243,236,.06) 1px,transparent 1px);background-size:18px 18px}
.stat-inner{position:relative;z-index:1}
.stat-head{margin-bottom:32px;max-width:720px}
.stat-head h2{color:#fff;font-size:26px;line-height:1.4;margin-bottom:12px}
.stat-head p{color:rgba(246,243,236,.72);font-size:15px;line-height:1.85;margin:0}
.stat-item{border:1px solid var(--line-dark);background:rgba(246,243,236,.04);border-radius:var(--r-card);padding:22px;height:100%;transition:background 180ms ease,border-color 180ms ease}
.stat-item:hover{background:rgba(246,243,236,.08);border-color:rgba(246,243,236,.3)}
.stat-num{font-size:40px;line-height:1.1;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:.5px}
.stat-num .unit{font-size:14px;font-weight:600;color:rgba(246,243,236,.62);margin-left:6px;letter-spacing:0}
.stat-label{margin-top:10px;font-size:13px;line-height:1.7;color:rgba(246,243,236,.7)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 4px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
  transition:color 180ms ease,background 180ms ease;
}
.faq-q:hover{color:var(--brand);background:rgba(242,118,31,.05)}
.faq-q .faq-icon{
  position:relative;flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);background:#fff;transition:background 180ms ease,border-color 180ms ease;
}
.faq-q .faq-icon::before,.faq-q .faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-q .faq-icon::before{width:10px;height:2px}
.faq-q .faq-icon::after{width:2px;height:10px;transition:opacity 180ms ease}
.faq-q[aria-expanded="true"] .faq-icon{background:var(--accent);border-color:var(--accent)}
.faq-q[aria-expanded="true"] .faq-icon::before,.faq-q[aria-expanded="true"] .faq-icon::after{background:#fff}
.faq-q[aria-expanded="true"] .faq-icon::after{opacity:0}
.faq-a{max-width:720px;padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq-a[hidden]{display:none}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;padding:56px 0;color:#fff;
  background-image:linear-gradient(100deg,rgba(12,48,42,.95) 0%,rgba(12,48,42,.82) 55%,rgba(18,67,58,.72) 100%),
  url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;overflow:hidden;
}
.cta-band::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(246,243,236,.05) 0 2px,transparent 2px 24px)}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-copy{max-width:640px}
.cta-copy h2{color:#fff;font-size:26px;line-height:1.4;margin-bottom:12px}
.cta-copy p{color:rgba(246,243,236,.78);font-size:15px;line-height:1.85;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:rgba(246,243,236,.78);padding:64px 0 0;font-size:14px}
.footer-grid{padding-bottom:8px}
.footer-brand .fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .brand-mark{background:linear-gradient(135deg,#1F5C4E 0%,#3A8A72 100%)}
.site-footer .brand-name{color:#fff;font-size:17px;font-weight:800}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(246,243,236,.7);margin:0;max-width:340px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin:0 0 14px;letter-spacing:.4px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{line-height:32px}
.footer-col a{color:rgba(246,243,236,.78)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:40px;padding:20px 0;border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(246,243,236,.6);
}
.footer-bottom a{color:rgba(246,243,236,.72)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- responsive ---------- */
@media (max-width:992px){
  .section{padding:64px 0}
  .stat-band{padding:56px 0}
  .page-hero h1{font-size:34px}
  .card-media-lg img{height:230px}
  .track-steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:32px}
  .track-steps::before{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-channel-bar{display:none}
  .nav-toggle{display:inline-flex}
  .brand-contact{display:none}
  .brand-name{font-size:16px}
  .section{padding:48px 0}
  .page-hero{padding:40px 0}
  .page-hero h1{font-size:28px;line-height:1.36}
  .section-head h2{font-size:24px}
  .cta-copy h2{font-size:22px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto;min-width:150px}
  .card-media-lg img{height:200px}
}
@media (max-width:575px){
  .brand-name{font-size:15px}
  .btn{height:46px;padding:0 18px}
  .btn-sm{height:38px;padding:0 14px}
  .card-body{padding:20px}
  .page-hero h1{font-size:26px}
  .stat-num{font-size:32px}
  .track-steps{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}