/* roulang page: index */
:root{
  --brand-900:#063A2C;
  --brand-700:#0B6E4F;
  --brand-500:#16A97A;
  --brand-300:#7FE0C0;
  --brand-50:#EAF6F0;
  --accent-500:#FF7A45;
  --accent-600:#E85D26;
  --amber:#FFB020;
  --ink:#0E1F1A;
  --ink-2:#46564F;
  --line:#DCE5DF;
  --bg:#F6F8F4;
  --surface:#FFFFFF;
  --grad:linear-gradient(135deg,#0B6E4F 0%,#16A97A 55%,#7FE0C0 100%);
  --hero-grad:linear-gradient(135deg,#063A2C 0%,#0B6E4F 58%,#12855F 100%);
  --r-card:20px;
  --r-big:28px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(11,110,79,.08);
  --sh-2:0 16px 36px rgba(11,110,79,.16);
  --sh-dark:0 10px 30px rgba(6,58,44,.28);
  --sec:96px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent-600);}
button,input,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.02em;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:700;}
p{margin:0 0 1.15em;color:var(--ink-2);}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.sec-head{margin-bottom:44px;max-width:820px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-700);background:var(--brand-50);
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.sec-head h2{margin-bottom:12px;}
.sec-head p{max-width:760px;font-size:16px;}
.sec-head.center p{margin-left:auto;margin-right:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  border:1.5px solid transparent;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(11,110,79,.26);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(11,110,79,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(11,110,79,.24);}
.btn-ghost{
  background:#fff;color:var(--brand-700);border-color:var(--brand-700);
}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-2px);}
.btn-ghost-light{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.7);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--brand-700);
}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(11,110,79,.12);}
.header-inner{display:flex;align-items:center;gap:24px;height:74px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;
  box-shadow:0 6px 16px rgba(11,110,79,.28);
}
.logo-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.logo:hover .logo-text{color:var(--brand-700);}
.main-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-list > li{position:relative;}
.nav-list > li > a{
  display:flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-list > li > a:hover{background:var(--brand-50);color:var(--brand-700);}
.nav-list > li.is-active > a{color:var(--brand-700);font-weight:700;}
.nav-list > li.is-active > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:3px;
  border-radius:3px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  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-700);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}

/* ---------- Mega 面板 ---------- */
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;
  width:760px;max-width:88vw;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:26px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  overflow:hidden;
}
.mega-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);
}
.has-mega:hover .mega-panel,
.has-mega.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:24px;}
.mega-col-title{
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--ink-2);
  text-transform:uppercase;margin-bottom:12px;
}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:4px;}
.mega-links a{
  display:flex;align-items:center;gap:9px;
  padding:9px 10px;border-radius:10px;font-size:14px;font-weight:600;color:var(--ink-2);
  border-left:3px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.mega-links a i{color:var(--brand-500);font-size:13px;width:16px;text-align:center;}
.mega-links a:hover{background:var(--brand-50);color:var(--brand-700);border-left-color:var(--accent-500);}
.mega-count{
  margin-left:auto;font-size:11px;font-weight:700;color:var(--brand-700);
  background:var(--brand-50);border:1px solid var(--line);border-radius:var(--r-pill);padding:1px 8px;
}
.mega-card{border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;background:var(--bg);}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.mega-card-body{padding:14px 16px 18px;}
.mega-card-body h4{font-size:15px;font-weight:700;margin-bottom:6px;}
.mega-card-body p{font-size:13px;line-height:1.7;margin-bottom:10px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--hero-grad);
  padding:76px 0 84px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 18% 118%, rgba(255,255,255,.08) 0 34%, transparent 35%),
                   radial-gradient(circle at 92% -12%, rgba(255,255,255,.07) 0 30%, transparent 31%),
                   repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0 2px, transparent 2px 26px);
  opacity:.9;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#EAF6F0;margin-bottom:20px;
}
.hero h1{color:#fff;margin-bottom:18px;}
.hero-sub{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.88);
  max-width:560px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.hero-badges li{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:rgba(255,255,255,.9);
}
.hero-badges strong{font-size:17px;font-weight:800;color:#fff;}
.hero-media{position:relative;border-radius:var(--r-big);overflow:hidden;box-shadow:var(--sh-dark);}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-big);}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(11,110,79,.35) 0%,rgba(22,169,122,.12) 60%,rgba(255,122,69,.14) 100%);
}
.hero-float{
  position:absolute;right:18px;bottom:18px;z-index:3;
  display:flex;align-items:center;gap:12px;
  background:#fff;border-radius:var(--r-img);padding:12px 18px;box-shadow:var(--sh-2);
}
.hero-float .dot{
  width:10px;height:10px;border-radius:50%;background:var(--brand-500);
  box-shadow:0 0 0 5px rgba(22,169,122,.18);
}
.hero-float strong{display:block;font-size:13px;color:var(--ink);}
.hero-float em{font-style:normal;font-size:13px;color:var(--ink-2);}

/* ---------- 能力区 ---------- */
.cap-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:30px;height:100%;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.cap-icon{
  width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-50);color:var(--brand-700);font-size:19px;margin-bottom:18px;
}
.cap-card h3{margin-bottom:10px;}
.cap-card p{font-size:15px;line-height:1.8;}
.cap-card .text-link{margin-top:auto;padding-top:18px;}
.cap-wide{flex-direction:row;gap:26px;align-items:center;padding:0;overflow:hidden;}
.cap-wide .cap-media{flex:0 0 42%;height:100%;}
.cap-wide .cap-media img{width:100%;height:100%;min-height:230px;object-fit:cover;border-radius:0;}
.cap-wide .cap-body{padding:32px 32px 32px 4px;display:flex;flex-direction:column;}
.cap-wide .cap-body .cap-icon{margin-bottom:14px;}

/* ---------- 数据带 ---------- */
.stat-band{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#063A2C 0%,#0B6E4F 60%,#12855F 100%);
  padding:64px 0;
}
.stat-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(70deg, rgba(255,255,255,.06) 0 2px, transparent 2px 30px);
}
.stat-band .container{position:relative;z-index:2;}
.stat-list{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);padding:26px 24px;
  animation:floatUp .7s ease both;
}
.stat-item:nth-child(2){animation-delay:.08s;}
.stat-item:nth-child(3){animation-delay:.16s;}
.stat-item:nth-child(4){animation-delay:.24s;}
@keyframes floatUp{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:translateY(0);}}
.stat-num{font-size:36px;font-weight:800;line-height:1.1;color:#fff;}
.stat-num span{font-size:15px;font-weight:700;margin-left:4px;color:var(--brand-300);}
.stat-item p{margin:8px 0 0;font-size:14px;color:rgba(255,255,255,.78);line-height:1.7;}

/* ---------- 场景卡 ---------- */
.scene-card{
  position:relative;display:block;border-radius:var(--r-big);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;height:100%;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.scene-card img{width:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.scene-card:hover img{transform:scale(1.03);}
.scene-large img{aspect-ratio:16/10;}
.scene-small img{aspect-ratio:16/9;}
.scene-body{padding:22px 24px 26px;}
.scene-tag{
  display:inline-block;font-size:12px;font-weight:700;color:var(--brand-700);
  background:var(--brand-50);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:3px 12px;margin-bottom:12px;
}
.scene-body h3{font-size:19px;margin-bottom:8px;}
.scene-body p{font-size:14.5px;line-height:1.75;margin-bottom:0;}
.scene-stack{display:flex;flex-direction:column;gap:24px;height:100%;}

/* ---------- 流程 ---------- */
.flow{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-line{
  position:absolute;top:26px;left:9%;right:9%;height:2px;
  background-image:linear-gradient(90deg,var(--brand-300) 0 60%,transparent 60% 100%);
  background-size:14px 2px;background-repeat:repeat-x;
}
.flow-step{position:relative;text-align:center;padding-top:0;}
.flow-num{
  width:54px;height:54px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:19px;font-weight:800;
  box-shadow:0 10px 24px rgba(11,110,79,.24);position:relative;z-index:2;
}
.flow-step h3{font-size:17px;margin-bottom:8px;}
.flow-step p{font-size:14.5px;line-height:1.75;margin-bottom:0;}

/* ---------- 资讯列表 ---------- */
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.post-thumb{display:block;overflow:hidden;}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.tag{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--brand-700);
  background:var(--brand-50);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:3px 12px;margin-bottom:12px;
}
.post-title{font-size:18px;line-height:1.5;margin-bottom:10px;}
.post-title a{color:var(--ink);}
.post-title a:hover{color:var(--brand-700);}
.post-sum{
  font-size:14.5px;line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.post-time{font-size:13px;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px;}
.post-more{
  width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-50);color:var(--brand-700);font-size:13px;transition:background .2s ease,color .2s ease;
}
.post-more:hover{background:var(--brand-700);color:#fff;}
.empty-state{
  text-align:center;padding:56px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state i{font-size:30px;color:var(--ink-2);margin-bottom:14px;display:block;}
.empty-state p{color:var(--ink-2);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq-grid{align-items:start;}
.faq-side h2{margin-bottom:14px;}
.faq-side p{font-size:15.5px;}
.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:20px;
  padding:22px 4px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--brand-700);}
.faq-ico{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  background:var(--brand-50);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.open .faq-ico{transform:rotate(180deg);background:var(--brand-700);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 4px 22px;font-size:15.5px;line-height:1.8;margin:0;max-width:720px;}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-big);color:#fff;
  background:var(--grad);padding:52px;box-shadow:0 18px 40px rgba(11,110,79,.24);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-card .grid-x{position:relative;z-index:2;}
.cta-copy h2{color:#fff;margin-bottom:14px;}
.cta-copy p{color:rgba(255,255,255,.9);font-size:16px;max-width:440px;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.92);}
.cta-points i{color:#fff;background:rgba(255,255,255,.2);width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:11px;}
.cta-form{
  background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-dark);
}
.cta-form h3{font-size:17px;margin-bottom:18px;color:var(--ink);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:7px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);background:var(--bg);
  border-radius:var(--r-input);padding:12px 14px;font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#96A59E;}
.field input:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(22,169,122,.16);
}
.form-tip{font-size:13px;color:var(--brand-700);margin:12px 0 0;min-height:18px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);}
.footer-top{height:4px;background:var(--grad);}
.footer-main{padding:64px 0 40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;line-height:1.8;max-width:320px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--ink);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14.5px;color:var(--ink-2);}
.footer-col a:hover{color:var(--accent-600);}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7;}
.footer-contact i{color:var(--brand-500);margin-top:4px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:var(--ink-2);margin:0;}

@media screen and (max-width:1279px){
  :root{--sec:80px;}
  .mega-panel{width:640px;}
}
@media screen and (max-width:1023px){
  :root{--sec:72px;}
  .container{padding:0 24px;}
  .main-nav{
    position:fixed;top:74px;left:0;right:0;bottom:0;
    background:#fff;border-top:1px solid var(--line);
    padding:16px 24px 40px;overflow-y:auto;margin:0;
    display:none;
  }
  .main-nav.is-open{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-list > li > a{padding:15px 12px;border-radius:12px;font-size:16px;justify-content:space-between;}
  .nav-list > li.is-active > a::after{display:none;}
  .nav-list > li.is-active > a{background:var(--brand-50);}
  .mega-panel{
    position:static;width:auto;max-width:none;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border-radius:14px;padding:14px;margin:6px 0 10px;display:none;
  }
  .mega-panel::before{display:none;}
  .has-mega.open .mega-panel{display:block;}
  .mega-grid{grid-template-columns:1fr;gap:14px;}
  .mega-links{grid-template-columns:1fr;}
  .mega-card{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .header-inner{height:68px;}
  .main-nav{top:68px;}
  .stat-list{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .flow-line{display:none;}
  .cta-card{padding:38px;}
  .cap-wide .cap-media{flex:0 0 40%;}
}
@media screen and (max-width:767px){
  :root{--sec:56px;}
  body{font-size:16px;}
  .container{padding:0 20px;}
  .hero{padding:52px 0 60px;}
  .hero-sub{font-size:16px;margin-bottom:24px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-media img{aspect-ratio:16/11;}
  .stat-list{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .flow-step{text-align:left;display:flex;gap:16px;}
  .flow-num{margin:0;flex:0 0 auto;width:44px;height:44px;font-size:16px;}
  .cap-wide{flex-direction:column;align-items:stretch;}
  .cap-wide .cap-media{flex:none;}
  .cap-wide .cap-media img{min-height:180px;aspect-ratio:16/9;}
  .cap-wide .cap-body{padding:24px;}
  .cta-card{padding:28px 22px;border-radius:var(--r-card);}
  .cta-form{padding:22px 18px;}
  .footer-main{padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:479px){
  .logo-text{font-size:15px;}
  .hero h1{font-size:27px;}
  .stat-num{font-size:30px;}
}

/* roulang page: article */
:root{
  --brand-900:#063A2C;
  --brand-700:#0B6E4F;
  --brand-500:#16A97A;
  --brand-300:#7FE0C0;
  --brand-50:#EAF6F0;
  --accent-500:#FF7A45;
  --accent-600:#E85D26;
  --amber:#FFB020;
  --ink:#0E1F1A;
  --ink-2:#46564F;
  --line:#DCE5DF;
  --bg:#F6F8F4;
  --surface:#FFFFFF;
  --grad:linear-gradient(135deg,#0B6E4F 0%,#16A97A 55%,#7FE0C0 100%);
  --radius-card:20px;
  --radius-lg:28px;
  --radius-img:16px;
  --shadow-sm:0 6px 20px rgba(11,110,79,.08);
  --shadow-md:0 16px 36px rgba(11,110,79,.16);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-700);text-decoration:none;}
a:hover{color:var(--accent-600);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;}

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

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(11,110,79,.12);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:74px;}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(11,110,79,.28);
}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.main-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none;}
.nav-list>li{position:relative;}
.nav-list>li>a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 15px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--ink-2);transition:background .18s ease,color .18s ease;
}
.nav-list>li>a:hover{background:var(--brand-50);color:var(--brand-700);}
.nav-list>li.is-active>a{color:var(--brand-700);font-weight:700;}
.nav-list>li.is-active>a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:1px;height:3px;
  border-radius:3px;background:linear-gradient(90deg,#0B6E4F,#7FE0C0);
}
.nav-list>li>a i{font-size:11px;opacity:.7;}

.mega-panel{
  position:absolute;top:calc(100% + 14px);left:50%;width:720px;
  transform:translate(-50%,10px);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:0 26px 54px rgba(6,58,44,.16);
  opacity:0;visibility:hidden;transition:opacity .2s ease,transform .2s ease,visibility .2s;
  overflow:hidden;
}
.mega-panel::before{content:"";display:block;height:4px;background:var(--grad);}
.mega-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;padding:24px;}
.mega-col-title{font-size:12.5px;font-weight:700;color:var(--ink-2);margin:0 0 12px;letter-spacing:.06em;}
.mega-links{display:flex;flex-direction:column;}
.mega-links a{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14.5px;font-weight:600;
  color:var(--ink-2);transition:background .18s ease,color .18s ease;
}
.mega-links a::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;
  background:var(--accent-500);opacity:0;transition:opacity .18s ease;
}
.mega-links a:hover{background:var(--brand-50);color:var(--brand-700);}
.mega-links a:hover::before{opacity:1;}
.mega-links a i{width:16px;color:var(--brand-500);font-size:13px;}
.mega-count{
  margin-left:auto;font-size:12px;font-weight:700;color:var(--brand-700);
  background:var(--brand-50);border-radius:999px;padding:2px 10px;
}
.mega-card{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--bg);}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-card) var(--radius-card) 0 0;}
.mega-card-body{padding:14px 16px 16px;}
.mega-card-body h4{font-size:15px;margin-bottom:6px;}
.mega-card-body p{font-size:13.5px;color:var(--ink-2);margin:0 0 10px;line-height:1.65;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--brand-700);}
.text-link:hover{color:var(--accent-600);gap:9px;}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand-700);font-size:17px;place-items:center;cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--brand-50);border-color:var(--brand-300);}

@media (min-width:1024px){
  .has-mega:hover .mega-panel,
  .has-mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translate(-50%,0);}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 26px;border-radius:999px;
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  cursor:pointer;transition:all .2s ease-out;text-decoration:none;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(11,110,79,.24);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(11,110,79,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 16px rgba(11,110,79,.24);}
.btn-outline{background:#fff;border-color:var(--brand-700);color:var(--brand-700);}
.btn-outline:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);background:var(--brand-50);}
.btn-sm{min-height:38px;padding:8px 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;
}
.badge-brand{background:var(--brand-50);color:var(--brand-700);border:1px solid rgba(11,110,79,.14);}
.badge-amber{background:rgba(255,176,32,.18);color:#8A5A00;}
.badge-solid{background:var(--brand-900);color:#EAF6F0;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line);padding:14px 0;}
.breadcrumb{display:flex;align-items:center;gap:9px;list-style:none;font-size:13.5px;color:var(--ink-2);overflow:hidden;}
.breadcrumb li{display:flex;align-items:center;gap:9px;white-space:nowrap;min-width:0;}
.breadcrumb li+li::before{content:"/";color:#A9BDB4;}
.breadcrumb a{color:var(--ink-2);font-weight:600;}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb li:last-child{overflow:hidden;text-overflow:ellipsis;color:var(--ink-2);}

/* ============ 文章头部 ============ */
.article-hero{
  background:linear-gradient(180deg,#EAF6F0 0%,#F6F8F4 100%);
  border-bottom:1px solid var(--line);
  padding:46px 0 42px;
}
.article-hero h1{
  font-size:clamp(27px,3.6vw,42px);line-height:1.22;font-weight:800;
  letter-spacing:-.02em;margin:16px 0 20px;max-width:920px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--ink-2);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{color:var(--brand-500);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#B9CCC3;padding:0;}

/* ============ 正文区 ============ */
.article-main{padding:52px 0 80px;}
.article-body{max-width:820px;font-size:17px;line-height:1.85;color:var(--ink);}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:700;
  margin:44px 0 16px;padding-left:18px;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
  border-radius:999px;background:linear-gradient(180deg,#0B6E4F,#7FE0C0);
}
.article-body h3{font-size:21px;line-height:1.45;margin:32px 0 12px;}
.article-body h4{font-size:18px;margin:26px 0 10px;}
.article-body p{margin:0 0 1.25em;}
.article-body a{color:var(--brand-700);border-bottom:1px solid rgba(11,110,79,.3);}
.article-body a:hover{color:var(--accent-600);border-color:var(--accent-500);}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 1.3em;}
.article-body li{margin-bottom:.55em;line-height:1.8;}
.article-body ul li::marker{color:var(--brand-500);}
.article-body ol li::marker{color:var(--brand-700);font-weight:700;}
.article-body img{
  max-width:100%;height:auto;border-radius:var(--radius-img);
  margin:26px auto;box-shadow:var(--shadow-sm);
}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px;}
.article-body blockquote{
  margin:28px 0;padding:18px 24px;background:#FFF7F3;
  border-left:4px solid var(--accent-500);border-radius:0 14px 14px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  display:block;overflow-x:auto;width:100%;border-collapse:collapse;
  margin:26px 0;font-size:15px;border-radius:14px;
}
.article-body thead{background:var(--brand-50);}
.article-body th,.article-body td{
  padding:12px 16px;border:1px solid var(--line);text-align:left;white-space:nowrap;
}
.article-body tbody tr:nth-child(even){background:#FAFCFA;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0;}
.article-body code{
  background:var(--brand-50);color:var(--brand-700);border-radius:6px;
  padding:2px 7px;font-size:14px;
}

/* ============ 标签、上下文导航 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  font-size:13.5px;font-weight:600;transition:all .18s ease;
}
.tag:hover{border-color:var(--brand-300);background:var(--brand-50);color:var(--brand-700);}
.tag i{color:var(--brand-500);font-size:12px;}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px;}
.post-nav-card{
  display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease;
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-300);}
.post-nav-label{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;color:var(--brand-500);margin-bottom:9px;}
.post-nav-card strong{display:block;font-size:16px;line-height:1.55;color:var(--ink);font-weight:700;}

.back-home{
  display:inline-flex;align-items:center;gap:9px;margin-top:34px;
  font-size:15px;font-weight:700;color:var(--brand-700);
}
.back-home:hover{gap:13px;color:var(--accent-600);}

/* ============ 空状态 ============ */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:72px 24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
}
.empty-state i{font-size:34px;color:var(--brand-300);}
.empty-state p{margin:0;color:var(--ink-2);font-size:15.5px;}

/* ============ 侧栏 ============ */
.sidebar{display:none;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-sm);margin-bottom:20px;
}
.side-card h3{font-size:16px;margin-bottom:14px;}
.side-links{list-style:none;}
.side-links li+li{border-top:1px solid var(--line);}
.side-links a{
  display:flex;align-items:center;gap:10px;padding:11px 0;
  font-size:14.5px;font-weight:600;color:var(--ink-2);transition:all .18s ease;
}
.side-links a:hover{color:var(--brand-700);padding-left:6px;}
.side-links i{width:16px;color:var(--brand-500);font-size:13px;}
.side-card .btn{width:100%;margin-top:6px;}
@media (min-width:1280px){.sidebar{display:block;}}

/* ============ 相关推荐 ============ */
.related{padding:72px 0 0;border-top:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(23px,2.6vw,30px);line-height:1.3;}
.section-head p{margin:8px 0 0;color:var(--ink-2);font-size:15px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.card-thumb{position:relative;overflow:hidden;}
.card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-thumb .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--brand-700);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;}
.card-body p{font-size:14px;line-height:1.7;color:var(--ink-2);margin:0 0 16px;}
.card-body .text-link{margin-top:auto;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:88px;}
.footer-top{height:6px;background:var(--grad);}
.footer-main{padding-top:64px;padding-bottom:44px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:360px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;transition:all .18s ease;display:inline-block;}
.footer-col a:hover{color:var(--brand-300);transform:translateX(4px);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--brand-300);margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 34px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.58);
}
.footer-bottom p{margin:0;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .header-inner{min-height:66px;gap:14px;}
  .logo-text{font-size:16px;}
  .header-cta{display:none;}
  .nav-toggle{display:grid;}
  .main-nav{
    position:fixed;top:66px;left:0;right:0;bottom:0;background:#fff;
    padding:18px 20px 48px;overflow-y:auto;z-index:110;
    transform:translateX(-102%);transition:transform .26s ease-out;
    border-top:1px solid var(--line);
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-list>li>a{padding:14px 14px;border-radius:12px;font-size:16px;}
  .nav-list>li.is-active>a::after{display:none;}
  .nav-list>li.is-active>a{background:var(--brand-50);}
  .mega-panel{
    position:static;width:100%;transform:none;opacity:1;visibility:visible;
    box-shadow:none;border-radius:16px;margin-top:8px;display:none;
  }
  .has-mega.is-open .mega-panel{display:block;}
  .mega-grid{grid-template-columns:1fr;gap:18px;padding:18px;}
  .mega-card{display:none;}
  .article-hero{padding:34px 0 30px;}
  .article-body{font-size:16.5px;line-height:1.8;}
  .related{padding-top:56px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .article-main{padding:36px 0 60px;}
  .article-body h2{font-size:22px;margin-top:36px;}
  .article-body h3{font-size:19px;}
  .post-nav{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:24px;}
  .site-footer{margin-top:64px;}
  .footer-main{padding-top:48px;padding-bottom:32px;}
  .footer-brand p{max-width:none;}
  .footer-bottom{flex-direction:column;}
  .breadcrumb li:last-child{max-width:22ch;}
}
@media (max-width:479px){
  .logo-text{font-size:15px;}
  .btn{width:100%;}
  .header-actions .btn{width:auto;}
  .tag-row{gap:8px;}
  .article-meta{gap:10px;font-size:13px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#063A2C;
  --brand-700:#0B6E4F;
  --brand-500:#16A97A;
  --brand-300:#7FE0C0;
  --brand-50:#EAF6F0;
  --accent-500:#FF7A45;
  --accent-600:#E85D26;
  --amber:#FFB020;
  --ink:#0E1F1A;
  --ink-2:#46564F;
  --line:#DCE5DF;
  --bg:#F6F8F4;
  --surface:#FFFFFF;
  --grad:linear-gradient(135deg,#0B6E4F 0%,#16A97A 55%,#7FE0C0 100%);
  --radius-card:20px;
  --radius-lg:28px;
  --shadow-1:0 6px 20px rgba(11,110,79,.08);
  --shadow-2:0 16px 36px rgba(11,110,79,.16);
  --shadow-dark:0 10px 30px rgba(6,58,44,.28);
  --gap-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.82;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent-600);}
button,input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}
.section{padding-top:var(--gap-y);}
.section-tight{padding-top:64px;}
.section-head{max-width:820px;margin:0 auto 40px;text-align:center;}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px;}
.lead-wrap{max-width:800px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(11,110,79,.10);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:17px;box-shadow:0 6px 14px rgba(11,110,79,.28);
}
.logo-text{font-size:17.5px;font-weight:800;letter-spacing:-.01em;}
.main-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-list > li > a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:10px;color:var(--ink-2);
  font-size:15px;font-weight:600;white-space:nowrap;transition:background .18s ease,color .18s ease;
}
.nav-list > li > a:hover{background:var(--brand-50);color:var(--brand-700);}
.nav-list > li.is-active > a{color:var(--brand-700);font-weight:700;}
.nav-list > li.is-active > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--grad);
}
.has-mega{position:relative;}
.mega-panel{
  position:absolute;top:calc(100% + 16px);left:50%;
  width:min(760px,86vw);transform:translateX(-50%) translateY(-8px);
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  box-shadow:0 22px 48px rgba(6,58,44,.18);overflow:hidden;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.mega-panel::before{content:"";display:block;height:4px;background:var(--grad);}
.has-mega:hover .mega-panel,
.has-mega.is-open .mega-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);}
.mega-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:22px;padding:22px;}
.mega-col-title{font-size:13px;font-weight:700;color:var(--ink-2);letter-spacing:.06em;margin-bottom:10px;}
.mega-links a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;color:var(--ink);
  font-size:14.5px;font-weight:600;border-left:3px solid transparent;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.mega-links a i{color:var(--brand-700);width:18px;text-align:center;}
.mega-links a:hover{background:var(--brand-50);border-left-color:var(--accent-500);color:var(--brand-700);}
.mega-count{
  margin-left:auto;font-size:12px;font-weight:700;color:var(--brand-900);
  background:var(--brand-50);border:1px solid var(--line);padding:2px 9px;border-radius:999px;
}
.mega-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface);}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.mega-card:hover img{transform:scale(1.03);}
.mega-card-body{padding:14px 16px 16px;}
.mega-card-body h4{font-size:15.5px;font-weight:700;margin-bottom:6px;}
.mega-card-body p{font-size:13.5px;color:var(--ink-2);line-height:1.7;margin-bottom:10px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-700);}
.text-link:hover{color:var(--accent-600);}
.text-link i{font-size:12px;transition:transform .18s ease;}
.text-link:hover i{transform:translateX(3px);}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:12px;color:var(--brand-700);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--brand-50);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;cursor:pointer;border:0;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(11,110,79,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(11,110,79,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(11,110,79,.24);}
.btn-ghost{background:var(--surface);color:var(--brand-700);border:1.5px solid var(--brand-700);}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.72);}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13.5px;color:var(--ink-2);}
.breadcrumb a{color:var(--ink-2);font-weight:600;}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb i{font-size:10px;color:#9AAAA2;}
.breadcrumb .current{color:var(--brand-700);font-weight:700;}

/* ============ 内页 Hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--grad);color:#fff;padding:70px 0 78px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.15;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 82% 12%,rgba(255,255,255,.08) 0 22%,transparent 24%),
                   radial-gradient(circle at 12% 88%,rgba(255,255,255,.07) 0 26%,transparent 28%),
                   repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 22px);
}
.page-hero .container{position:relative;z-index:1;}
.hero-inner{display:grid;grid-template-columns:1.7fr 1fr;gap:44px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.04em;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.02em;
}
.page-hero .hero-sub{
  margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.92);max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.fact-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  border-radius:999px;padding:8px 16px;font-size:13px;color:#fff;
}
.fact-chip strong{font-size:16px;font-weight:800;color:#fff;}
.hero-panel{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);
  border-radius:28px;padding:22px;backdrop-filter:blur(2px);box-shadow:var(--shadow-dark);
}
.hero-panel h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:14px;}
.hero-panel ol{counter-reset:step;display:grid;gap:10px;}
.hero-panel ol li{
  counter-increment:step;position:relative;padding-left:34px;
  font-size:14.2px;color:rgba(255,255,255,.94);line-height:1.7;
}
.hero-panel ol li::before{
  content:counter(step);position:absolute;left:0;top:3px;
  width:22px;height:22px;border-radius:50%;background:#fff;color:var(--brand-700);
  font-size:12px;font-weight:800;display:grid;place-items:center;
}

/* ============ 导语 ============ */
.intro-block{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 38px;box-shadow:var(--shadow-1);}
.intro-block p{font-size:17px;line-height:1.85;color:var(--ink);}
.intro-block p + p{margin-top:1.15em;color:var(--ink-2);font-size:16px;}

/* ============ 图文交错 ============ */
.split-row{align-items:center;}
.split-row + .split-row{margin-top:72px;}
.split-media{position:relative;}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);transition:transform .3s ease,box-shadow .3s ease;
}
.split-media:hover img{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.media-float{
  position:absolute;right:-14px;bottom:-18px;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:12px 18px;box-shadow:var(--shadow-2);font-size:13px;color:var(--ink-2);
}
.media-float strong{display:block;font-size:19px;font-weight:800;color:var(--brand-700);}
.split-copy h3{font-size:clamp(21px,2.4vw,26px);font-weight:700;line-height:1.4;letter-spacing:-.01em;}
.split-copy h3 .idx{
  display:inline-grid;place-items:center;width:34px;height:34px;margin-right:10px;
  border-radius:12px;background:var(--brand-50);color:var(--brand-700);
  font-size:15px;font-weight:800;vertical-align:middle;border:1px solid var(--line);
}
.split-copy p{margin-top:16px;color:var(--ink-2);font-size:16px;line-height:1.85;}
.mini-list{margin-top:20px;display:grid;gap:12px;}
.mini-list li{
  position:relative;padding-left:18px;font-size:15px;color:var(--ink);line-height:1.75;
}
.mini-list li::before{
  content:"";position:absolute;left:0;top:.68em;width:3px;height:14px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand-500),var(--brand-300));
}
.mini-list li + li{border-top:1px dashed var(--line);padding-top:12px;}

/* ============ 核对清单 ============ */
.checklists{background:var(--brand-50);border-radius:var(--radius-lg);padding:44px 40px;border:1px solid var(--line);}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 32px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:16px;padding:16px 18px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.check-item:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);}
.check-item i{color:var(--brand-500);font-size:18px;margin-top:4px;}
.check-item strong{display:block;font-size:15.5px;font-weight:700;margin-bottom:4px;}
.check-item span{font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ============ 提示对照卡 ============ */
.tips-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.tip-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 26px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease,transform .2s ease;
}
.tip-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);}
.tip-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;
  padding:4px 12px;border-radius:999px;background:var(--brand-50);color:var(--brand-700);
  border:1px solid var(--line);margin-bottom:14px;
}
.tip-tag.is-warn{background:#FFF3E8;color:var(--accent-600);border-color:#FFD9C2;}
.tip-card h3{font-size:18px;font-weight:700;line-height:1.45;}
.tip-card p{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.8;}
.tip-card .tip-note{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-size:14px;color:var(--brand-700);font-weight:600;
}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:0.85fr 1.6fr;gap:48px;align-items:start;}
.faq-aside h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;}
.faq-aside p{margin-top:14px;color:var(--ink-2);font-size:15.5px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 4px;font-size:16.5px;font-weight:700;color:var(--ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-700);}
.faq-item summary .faq-ico{
  margin-left:auto;flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-50);color:var(--brand-700);
  font-size:12px;transition:transform .22s ease,background .22s ease;
}
.faq-item[open] summary .faq-ico{transform:rotate(180deg);background:var(--accent-500);color:#fff;}
.faq-answer{padding:0 4px 22px;font-size:15.5px;color:var(--ink-2);line-height:1.85;max-width:760px;}

/* ============ CTA ============ */
.cta-card{
  background:var(--grad);border-radius:var(--radius-lg);padding:48px 48px;
  box-shadow:var(--shadow-dark);color:#fff;position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(120deg,rgba(255,255,255,.06) 0 2px,transparent 2px 26px);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-copy h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.01em;}
.cta-copy p{margin-top:16px;font-size:15.8px;color:rgba(255,255,255,.92);line-height:1.85;}
.cta-points{margin-top:22px;display:grid;gap:10px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.94);}
.cta-points i{color:#fff;font-size:14px;}
.cta-form{background:var(--surface);border-radius:22px;padding:26px 26px 24px;box-shadow:0 14px 34px rgba(6,58,44,.2);}
.cta-form h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.cta-form .form-hint{font-size:13px;color:var(--ink-2);margin-bottom:16px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;background:#FBFDFB;
  padding:11px 14px;font-size:15px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field input:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(22,169,122,.16);
}
.field textarea{min-height:96px;resize:vertical;}
.form-note{margin-top:12px;font-size:13.5px;color:var(--brand-700);font-weight:600;min-height:20px;}

/* ============ 页脚 ============ */
.site-footer{margin-top:104px;background:var(--brand-900);color:rgba(255,255,255,.78);}
.footer-top{height:4px;background:var(--grad);}
.footer-main{padding:58px 0 34px;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:rgba(255,255,255,.75);font-size:14.5px;}
.footer-col a:hover{color:var(--brand-300);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.75);}
.footer-contact i{margin-top:5px;color:var(--brand-300);width:16px;text-align:center;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1279px){
  .container{padding-left:28px;padding-right:28px;}
}
@media screen and (max-width:1023px){
  :root{--gap-y:72px;}
  .container{padding-left:24px;padding-right:24px;}
  .header-inner{min-height:66px;gap:16px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;top:66px;right:0;bottom:0;width:min(360px,88vw);
    background:var(--surface);border-left:1px solid var(--line);
    padding:18px 20px 40px;overflow-y:auto;
    transform:translateX(102%);transition:transform .26s ease;
    box-shadow:-14px 0 34px rgba(6,58,44,.14);
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-list > li > a{padding:14px 12px;font-size:15.5px;justify-content:space-between;}
  .nav-list > li.is-active > a::after{display:none;}
  .nav-list > li.is-active > a{background:var(--brand-50);}
  .mega-panel{
    position:static;width:auto;transform:none;display:none;
    opacity:1;visibility:visible;pointer-events:auto;box-shadow:none;
    border-radius:16px;margin-top:8px;
  }
  .has-mega:hover .mega-panel{display:none;}
  .has-mega.is-open .mega-panel{display:block;transform:none;}
  .has-mega.is-open:hover .mega-panel{display:block;}
  .mega-grid{grid-template-columns:1fr;padding:16px;}
  .hero-inner{grid-template-columns:1fr;gap:30px;}
  .split-row + .split-row{margin-top:56px;}
  .split-row .cell + .cell{margin-top:34px;}
  .faq-wrap{grid-template-columns:1fr;gap:26px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .cta-card{padding:38px 30px;}
  .checklists{padding:32px 26px;}
  .check-grid{grid-template-columns:1fr;}
  .tips-grid{grid-template-columns:1fr;}
  .site-footer{margin-top:76px;}
}
@media screen and (max-width:767px){
  :root{--gap-y:56px;}
  .container{padding-left:20px;padding-right:20px;}
  body{font-size:16px;}
  .page-hero{padding:52px 0 58px;}
  .page-hero .hero-sub{font-size:15.8px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-panel{padding:18px;}
  .intro-block{padding:24px 22px;}
  .intro-block p{font-size:16px;}
  .checklists{padding:26px 20px;border-radius:22px;}
  .split-media .media-float{position:static;margin-top:14px;right:auto;bottom:auto;}
  .cta-card{padding:30px 22px;border-radius:24px;}
  .cta-form{padding:22px 18px;}
  .footer-main{padding:44px 0 24px;}
  .footer-col h4{margin-top:6px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media screen and (max-width:479px){
  .logo-text{font-size:16px;}
  .page-hero h1{font-size:29px;}
  .fact-chip{padding:7px 13px;font-size:12.5px;}
  .hero-panel ol li{font-size:13.6px;}
}

/* roulang page: category2 */
:root{
  --brand-900:#063A2C;
  --brand-700:#0B6E4F;
  --brand-500:#16A97A;
  --brand-300:#7FE0C0;
  --brand-50:#EAF6F0;
  --accent-500:#FF7A45;
  --accent-600:#E85D26;
  --amber:#FFB020;
  --ink:#0E1F1A;
  --ink-2:#46564F;
  --line:#DCE5DF;
  --bg:#F6F8F4;
  --surface:#FFFFFF;
  --grad:linear-gradient(135deg,#0B6E4F 0%,#16A97A 55%,#7FE0C0 100%);
  --grad-soft:linear-gradient(135deg,rgba(11,110,79,.06) 0%,rgba(127,224,192,.10) 100%);
  --radius-card:20px;
  --radius-lg:28px;
  --radius-img:16px;
  --radius-input:12px;
  --pill:999px;
  --shadow-1:0 6px 20px rgba(11,110,79,.08);
  --shadow-2:0 16px 36px rgba(11,110,79,.16);
  --shadow-dark:0 10px 30px rgba(6,58,44,.28);
  --section:96px;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

/* base */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent-600)}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--ink);font-weight:700;letter-spacing:-.01em}
ul{margin:0;padding:0;list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:none;background:none}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-300);color:var(--brand-900)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--section) 0}
.section-sm{padding:64px 0}
.bg-surface{background:var(--surface)}
.bg-brand-50{background:var(--brand-50)}
.num{font-variant-numeric:tabular-nums}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(11,110,79,.10)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800}
.logo:hover{color:var(--brand-700)}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;box-shadow:var(--shadow-1);
}
.logo-text{font-size:18px;letter-spacing:-.01em}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list > li{position:relative}
.nav-list > li > a{
  display:inline-flex;align-items:center;gap:6px;
  padding:12px 14px;color:var(--ink-2);font-size:15.5px;font-weight:600;
  border-radius:10px;transition:background .18s ease,color .18s ease;
}
.nav-list > li > a:hover{background:var(--brand-50);color:var(--brand-700)}
.nav-list > li.is-active > a{
  color:var(--brand-700);font-weight:700;background:var(--brand-50);
}
.nav-list > li.is-active > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);color:var(--brand-700);font-size:18px;
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle:hover{background:var(--brand-50)}

/* mega */
.mega-panel{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(8px);
  width:740px;background:#fff;border:1px solid var(--line);
  border-radius:20px;box-shadow:var(--shadow-2);
  padding:24px;opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease;
  overflow:hidden;
}
.mega-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);
}
.has-mega:hover .mega-panel,
.has-mega.is-open .mega-panel{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);
}
.mega-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
.mega-col-title{
  font-size:13px;font-weight:700;color:var(--ink-2);letter-spacing:.08em;
  margin:0 0 12px;
}
.mega-links a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:12px;color:var(--ink);
  font-size:15px;font-weight:600;border-left:3px solid transparent;
  transition:background .18s ease,border-color .18s ease;
}
.mega-links a:hover{background:var(--brand-50);border-left-color:var(--accent-500);color:var(--brand-700)}
.mega-links i{color:var(--brand-500);width:18px;text-align:center}
.mega-count{
  margin-left:auto;font-size:12px;font-weight:700;color:var(--brand-900);
  background:var(--brand-300);border-radius:var(--pill);padding:2px 10px;
}
.mega-card{
  border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface);
  box-shadow:var(--shadow-1);
}
.mega-card img{aspect-ratio:16/9;object-fit:cover;width:100%;border-radius:0}
.mega-card-body{padding:16px}
.mega-card-body h4{font-size:16px;margin-bottom:8px}
.mega-card-body p{font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:10px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--pill);font-weight:700;font-size:15.5px;
  border:1.5px solid transparent;transition:all .2s ease;min-height:44px;
}
.btn-sm{padding:10px 20px;font-size:14.5px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{color:#fff;box-shadow:var(--shadow-2);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,#063A2C 0%,#0B6E4F 60%,#16A97A 100%)}
.btn-outline{background:#fff;border-color:var(--brand-500);color:var(--brand-700)}
.btn-outline:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;
  color:var(--brand-700);font-size:15px;
}
.text-link i{transition:transform .18s ease}
.text-link:hover{color:var(--accent-600)}
.text-link:hover i{transform:translateX(4px)}

/* badges */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--pill);
  font-size:12.5px;font-weight:700;letter-spacing:.01em;
  background:var(--brand-50);color:var(--brand-900);border:1px solid var(--line);
}
.badge-amber{background:rgba(255,176,32,.18);border-color:rgba(255,176,32,.45);color:#7a4d00}
.badge-solid{background:var(--brand-300);border-color:transparent;color:var(--brand-900)}

/* breadcrumb */
.breadcrumb{padding:22px 0 0;font-size:14px;color:var(--ink-2)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--line)}
.breadcrumb li:last-child::after{display:none}
.breadcrumb li[aria-current]{color:var(--brand-700);font-weight:700}

/* page hero */
.page-hero{
  padding:28px 0 72px;
  background-image:
    linear-gradient(135deg,rgba(234,246,240,.96) 0%,rgba(255,255,255,.94) 58%,rgba(127,224,192,.24) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);font-weight:800;letter-spacing:-.02em;line-height:1.18;
  margin:16px 0 18px;
}
.page-hero h1 span{color:var(--brand-700)}
.hero-lead{max-width:760px;font-size:17px;color:var(--ink-2);line-height:1.85}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-figure{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);
  border:1px solid var(--line);background:#fff;
}
.hero-figure img{aspect-ratio:16/10;object-fit:cover;width:100%}

/* section head */
.section-head{max-width:760px;margin-bottom:44px}
.section-head .badge{margin-bottom:14px}
.section-head h2{font-size:clamp(26px,3vw,36px);margin-bottom:14px}
.section-head p{color:var(--ink-2)}
.section-head.row-between{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:20px;max-width:none;
}

/* timeline */
.timeline{position:relative}
.timeline-item{display:grid;grid-template-columns:56px 1fr;gap:22px;padding-bottom:34px;position:relative}
.timeline-item::before{
  content:"";position:absolute;left:27px;top:62px;bottom:8px;
  border-left:2px dashed var(--line);
}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:last-child::before{display:none}
.timeline-num{
  width:56px;height:56px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;box-shadow:var(--shadow-1);
  font-variant-numeric:tabular-nums;
}
.timeline-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease,transform .2s ease;
}
.timeline-body:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.timeline-body h3{font-size:20px;margin-bottom:10px}
.timeline-body p{color:var(--ink-2);font-size:16px;line-height:1.85;margin-bottom:0}

/* side cards */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:19px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.side-card h3 i{color:var(--brand-500)}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);
}
.checklist li:last-child{border-bottom:none;padding-bottom:0}
.checklist i{color:var(--brand-500);margin-top:4px}
.notice-table{width:100%;border-collapse:collapse;font-size:14.5px}
.notice-table th,.notice-table td{
  text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);
  vertical-align:top;
}
.notice-table th{color:var(--brand-900);font-weight:700;background:var(--brand-50)}
.notice-table tr:last-child td{border-bottom:none}
.notice-table td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
.notice-table td:last-child{color:var(--ink-2)}
.side-note{
  background:var(--brand-900);color:#fff;border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-dark);
  background-image:linear-gradient(135deg,rgba(11,110,79,.96) 0%,rgba(6,58,44,.98) 100%);
}
.side-note h3{color:#fff;font-size:19px;margin-bottom:12px}
.side-note p{color:rgba(255,255,255,.82);font-size:15px;line-height:1.85}

/* cards */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease;
}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.card-media{overflow:hidden}
.card-media img{width:100%;object-fit:cover;aspect-ratio:16/9;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:20px}
.card-body p{color:var(--ink-2);font-size:15.5px;line-height:1.8;margin-bottom:0}
.card-tall .card-media img{aspect-ratio:4/3}
.card-foot{margin-top:auto;padding-top:6px}

/* compare */
.compare-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);height:100%;
}
.compare-card h3{font-size:20px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.compare-card.is-ok h3 i{color:var(--brand-500)}
.compare-card.is-no h3 i{color:var(--accent-600)}
.compare-list li{
  display:flex;gap:12px;align-items:flex-start;padding:11px 0;
  border-bottom:1px solid var(--line);color:var(--ink-2);font-size:15.5px;line-height:1.75;
}
.compare-list li:last-child{border-bottom:none;padding-bottom:0}
.compare-card.is-ok .compare-list i{color:var(--brand-500);margin-top:4px}
.compare-card.is-no .compare-list i{color:var(--accent-600);margin-top:4px}

/* steps band */
.stat-band{
  background:linear-gradient(135deg,#0B6E4F 0%,#16A97A 55%,#7FE0C0 100%);
  color:#fff;position:relative;overflow:hidden;
}
.stat-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;border:56px solid rgba(255,255,255,.07);
}
.stat-band .container{position:relative;z-index:1}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:56px 0}
.stat-item h3{color:#fff;font-size:clamp(28px,3vw,40px);font-weight:800;margin-bottom:6px}
.stat-item .badge{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.32);color:#fff;margin-bottom:12px}
.stat-item p{color:rgba(255,255,255,.85);font-size:15px;margin-bottom:0}

/* faq */
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:14px;box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:22px 26px;font-size:17.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--brand-500);transition:transform .22s ease;flex:0 0 auto}
.faq-item[open] summary{color:var(--brand-700)}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-answer{padding:0 26px 24px;color:var(--ink-2);font-size:16px;line-height:1.85}

/* cta */
.cta-band{padding:0 0 var(--section)}
.cta-card{
  background:linear-gradient(135deg,#0B6E4F 0%,#16A97A 55%,#7FE0C0 100%);
  border-radius:var(--radius-lg);padding:56px;color:#fff;
  display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-dark);position:relative;overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;left:-80px;bottom:-140px;width:340px;height:340px;
  border-radius:50%;border:48px solid rgba(255,255,255,.07);
}
.cta-card h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.cta-card p{color:rgba(255,255,255,.88);max-width:620px;margin-bottom:0}
.cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;z-index:1}

/* footer */
.site-footer{background:#fff;margin-top:0}
.footer-top{height:4px;background:var(--grad)}
.footer-main{padding:64px 0 40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--ink-2);font-size:15px;max-width:360px;line-height:1.85}
.footer-col h4{font-size:16px;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{color:var(--ink-2);font-size:15px}
.footer-col ul a:hover{color:var(--brand-700)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:var(--ink-2);font-size:15px}
.footer-contact i{color:var(--brand-500);margin-top:5px}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  color:var(--ink-2);font-size:14px;
}
.footer-bottom p{margin:0}

/* responsive */
@media (max-width:1279px){
  :root{--section:80px}
}
@media (max-width:1023px){
  :root{--section:72px}
  .container{padding:0 24px}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;top:73px;left:0;right:0;max-height:calc(100vh - 73px);
    overflow-y:auto;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-2);padding:16px 24px 28px;
    display:none;
  }
  .main-nav.is-open{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-list > li > a{padding:14px 12px;font-size:16px;justify-content:space-between}
  .nav-list > li.is-active > a::after{display:none}
  .mega-panel{
    position:static;transform:none;width:auto;opacity:1;visibility:visible;
    box-shadow:none;border:none;padding:6px 0 10px;display:none;
  }
  .mega-panel::before{display:none}
  .has-mega.is-open .mega-panel{display:block}
  .mega-grid{grid-template-columns:1fr;gap:16px}
  .header-actions .btn{display:none}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px;padding:48px 0}
  .cta-card{grid-template-columns:1fr;padding:40px;gap:26px}
  .side-sticky{position:static}
  .page-hero{padding-bottom:56px}
}
@media (max-width:767px){
  :root{--section:56px}
  body{font-size:16px}
  .container{padding:0 20px}
  .header-inner{min-height:64px}
  .main-nav{top:65px}
  .logo-text{font-size:16px}
  .page-hero h1{margin:12px 0 14px}
  .timeline-item{grid-template-columns:44px 1fr;gap:16px}
  .timeline-num{width:44px;height:44px;font-size:16px}
  .timeline-item::before{left:21px;top:52px}
  .timeline-body{padding:18px 18px}
  .card-body{padding:20px}
  .faq-item summary{padding:18px 20px;font-size:16.5px}
  .faq-answer{padding:0 20px 20px}
  .cta-card{padding:32px 24px;border-radius:22px}
  .cta-actions .btn{width:100%}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .footer-bottom{flex-direction:column}
}
@media (max-width:519px){
  .stat-grid{grid-template-columns:1fr}
  .hero-meta .badge{font-size:12px}
  .section-head.row-between{align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --brand-900:#063A2C;
  --brand-700:#0B6E4F;
  --brand-500:#16A97A;
  --brand-300:#7FE0C0;
  --brand-50:#EAF6F0;
  --accent-500:#FF7A45;
  --accent-600:#E85D26;
  --amber:#FFB020;
  --ink:#0E1F1A;
  --ink-2:#46564F;
  --line:#DCE5DF;
  --bg:#F6F8F4;
  --surface:#FFFFFF;
  --grad:linear-gradient(135deg,#0B6E4F 0%,#16A97A 55%,#7FE0C0 100%);
  --radius-card:20px;
  --radius-lg:28px;
  --radius-img:16px;
  --radius-input:12px;
  --shadow-1:0 6px 20px rgba(11,110,79,.08);
  --shadow-2:0 16px 36px rgba(11,110,79,.16);
  --shadow-dark:0 10px 30px rgba(6,58,44,.28);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:hover{color:var(--accent-600);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--ink);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
button,input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1.5px solid transparent;
  font-weight:700;
  font-size:15px;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 8px 22px rgba(11,110,79,.24);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(11,110,79,.32);
}
.btn-primary:active{transform:translateY(0);background:var(--brand-700);}
.btn-ghost{
  background:#fff;
  color:var(--brand-700);
  border-color:rgba(11,110,79,.35);
}
.btn-ghost:hover{
  background:var(--brand-50);
  color:var(--brand-700);
  border-color:var(--brand-500);
  transform:translateY(-2px);
}
.btn-onDark{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.6);
}
.btn-onDark:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(11,110,79,.10);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:76px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.logo-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:17px;
  box-shadow:0 6px 16px rgba(11,110,79,.28);
}
.logo-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
}
.logo:hover .logo-text{color:var(--brand-700);}

.main-nav{margin-left:auto;}
.nav-list{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-list > li{position:relative;}
.nav-list > li > a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 14px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  position:relative;
}
.nav-list > li > a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:3px;
  border-radius:999px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-list > li:hover > a{background:var(--brand-50);color:var(--brand-700);}
.nav-list > li:hover > a::after{transform:scaleX(1);}
.nav-list > li.is-active > a{color:var(--brand-700);font-weight:700;}
.nav-list > li.is-active > a::after{transform:scaleX(1);}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:none;
  margin-left:8px;
}
.nav-toggle{
  display:none;
  width:46px;height:46px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  border-radius:2px;
  background:var(--brand-700);
  transition:transform .2s ease,opacity .2s ease;
}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Mega 面板 */
.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:-120px;
  width:760px;
  background:#fff;
  border-radius:20px;
  border:1px solid var(--line);
  box-shadow:0 24px 48px rgba(11,110,79,.16);
  padding:26px;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mega-panel::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:4px;
  border-radius:20px 20px 0 0;
  background:var(--grad);
}
.has-mega:hover .mega-panel,
.has-mega.is-open .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:26px;
}
.mega-col-title{
  font-size:13px;
  font-weight:700;
  color:var(--ink-2);
  letter-spacing:.08em;
  margin:0 0 10px;
}
.mega-links a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:12px;
  border-left:3px solid transparent;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.mega-links a i{color:var(--brand-500);width:18px;text-align:center;}
.mega-links a:hover{
  background:var(--brand-50);
  border-left-color:var(--accent-500);
  color:var(--brand-700);
}
.mega-count{
  margin-left:auto;
  font-size:12px;
  font-weight:700;
  color:var(--brand-700);
  background:var(--brand-50);
  border-radius:999px;
  padding:2px 10px;
}
.mega-card{
  background:var(--brand-50);
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.mega-card:hover img{transform:scale(1.03);}
.mega-card-body{padding:16px;}
.mega-card-body h4{font-size:16px;margin-bottom:6px;}
.mega-card-body p{font-size:13.5px;color:var(--ink-2);line-height:1.7;margin-bottom:10px;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--brand-700);
}
.text-link:hover{color:var(--accent-600);gap:10px;}
.text-link i{transition:transform .2s ease;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:18px 0 0;background:var(--bg);}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--ink-2);
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--brand-700);font-weight:700;}

/* ============ 页面首屏 ============ */
.page-hero{
  position:relative;
  margin-top:16px;
  overflow:hidden;
  background:var(--brand-900);
  color:#fff;
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.34;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(6,58,44,.94) 0%,rgba(11,110,79,.88) 55%,rgba(22,169,122,.78) 100%);
}
.page-hero-inner{
  position:relative;
  z-index:2;
  padding:72px 0 64px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(127,224,192,.18);
  border:1px solid rgba(127,224,192,.45);
  color:#D7F6EA;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.2vw,50px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.18;
  margin:18px 0 16px;
  max-width:18ch;
}
.page-hero .lede{
  max-width:760px;
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.88);
  margin-bottom:26px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.stat-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  font-size:13px;
  color:#fff;
}
.stat-badge strong{
  font-size:16px;
  font-weight:800;
  color:var(--brand-300);
}
.stat-badge .unit{font-size:12px;color:rgba(255,255,255,.75);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.section-head p{color:var(--ink-2);font-size:16.5px;line-height:1.85;}
.section-head .eyebrow-dark{
  display:inline-block;
  padding:5px 12px;
  border-radius:999px;
  background:var(--brand-50);
  color:var(--brand-700);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:14px;
}

/* 栅格间距 */
.grid-gap{margin:0 -14px;}
.grid-gap > .cell{padding:0 14px 28px;}

/* ============ 筛选标签（视觉态） ============ */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:22px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  margin-bottom:36px;
}
.filter-bar .filter-label{
  font-size:13px;
  font-weight:700;
  color:var(--ink-2);
  align-self:center;
  margin-right:6px;
}
.filter-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 16px;
  border-radius:999px;
  background:var(--brand-50);
  border:1px solid transparent;
  font-size:13.5px;
  font-weight:600;
  color:var(--brand-700);
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.filter-chip:hover{border-color:var(--brand-300);transform:translateY(-1px);}
.filter-chip.is-active{
  background:var(--grad);
  color:#fff;
  box-shadow:0 8px 20px rgba(11,110,79,.22);
}
.filter-chip .num{
  font-size:12px;
  background:rgba(255,255,255,.28);
  border-radius:999px;
  padding:1px 8px;
}
.filter-chip:not(.is-active) .num{background:#fff;color:var(--brand-700);}

/* ============ 版本卡片 ============ */
.version-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease;
}
.version-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:var(--brand-300);
}
.version-thumb{
  position:relative;
  overflow:hidden;
}
.version-thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
  transition:transform .3s ease;
}
.version-card:hover .version-thumb img{transform:scale(1.03);}
.version-badge{
  position:absolute;
  top:14px;left:14px;
  padding:5px 14px;
  border-radius:999px;
  background:var(--brand-900);
  color:#fff;
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.04em;
}
.version-body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.version-meta{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
  flex-wrap:wrap;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  background:var(--brand-50);
  color:var(--brand-700);
}
.chip-amber{background:rgba(255,176,32,.16);color:#8A5A00;}
.chip-accent{background:rgba(255,122,69,.14);color:var(--accent-600);}
.version-meta time{font-size:13px;color:var(--ink-2);}
.version-body h3{font-size:20px;font-weight:700;margin-bottom:10px;}
.version-body p{font-size:15px;line-height:1.8;color:var(--ink-2);margin-bottom:14px;}
.dot-list{margin-bottom:18px;}
.dot-list li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--ink-2);
  margin-bottom:8px;
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--brand-500);
}
.version-body .text-link{margin-top:auto;}

/* ============ 核对顺序时间轴 ============ */
.steps-band{
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  position:relative;
}
.step{
  position:relative;
  padding-top:12px;
}
.step .step-num{
  width:48px;height:48px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--grad);
  color:#fff;
  font-weight:800;
  font-size:17px;
  box-shadow:0 8px 20px rgba(11,110,79,.24);
  margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:14.8px;color:var(--ink-2);line-height:1.8;}
.step::after{
  content:"";
  position:absolute;
  top:36px;
  left:60px;
  right:-14px;
  height:0;
  border-top:2px dashed var(--line);
}
.step:last-child::after{display:none;}

/* ============ 对照表 ============ */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  box-shadow:var(--shadow-1);
}
table.compare{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  font-size:14.5px;
}
table.compare caption{
  text-align:left;
  padding:18px 22px 4px;
  font-size:13.5px;
  color:var(--ink-2);
}
table.compare th,
table.compare td{
  padding:15px 22px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.compare thead th{
  background:var(--brand-50);
  color:var(--brand-700);
  font-weight:700;
  font-size:14px;
  white-space:nowrap;
}
table.compare tbody tr:nth-child(even){background:#FBfDFB;}
table.compare tbody tr:hover{background:var(--brand-50);}
table.compare tbody tr:last-child td{border-bottom:none;}

/* ============ FAQ ============ */
.faq-section{background:var(--surface);border-top:1px solid var(--line);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-700);}
.faq-item summary .faq-icon{
  flex:none;
  width:34px;height:34px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--brand-50);
  color:var(--brand-700);
  transition:transform .25s ease,background .2s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(180deg);background:var(--accent-500);color:#fff;}
.faq-answer{
  padding:0 4px 24px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:820px;
}

/* ============ CTA ============ */
.cta-card{
  position:relative;
  border-radius:var(--radius-lg);
  background:var(--grad);
  color:#fff;
  padding:52px;
  overflow:hidden;
  box-shadow:var(--shadow-dark);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:320px;height:320px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:14px;}
.cta-card p{color:rgba(255,255,255,.88);font-size:16px;line-height:1.85;max-width:560px;}
.cta-form{
  position:relative;
  z-index:2;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:24px;
  max-width:560px;
}
.cta-form input{
  flex:1 1 260px;
  min-height:52px;
  padding:0 18px;
  border-radius:var(--radius-input);
  border:1.5px solid rgba(255,255,255,.45);
  background:rgba(255,255,255,.14);
  color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:rgba(255,255,255,.7);}
.cta-form input:focus{
  outline:none;
  border-color:#fff;
  background:rgba(255,255,255,.22);
  box-shadow:0 0 0 4px rgba(255,255,255,.22);
}
.cta-form .btn{
  background:#fff;
  color:var(--brand-700);
  border-color:#fff;
}
.cta-form .btn:hover{
  background:var(--brand-900);
  color:#fff;
  border-color:var(--brand-900);
  transform:translateY(-2px);
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--surface);
  border-top:1px solid var(--line);
}
.footer-top{height:4px;background:var(--grad);}
.footer-main{padding:64px 32px 40px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{
  font-size:14.5px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:360px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  color:var(--ink);
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  font-size:14.5px;
  color:var(--ink-2);
}
.footer-col ul li a:hover{color:var(--brand-700);}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14.5px;
  color:var(--ink-2);
  margin-bottom:12px;
  line-height:1.7;
}
.footer-contact li i{color:var(--brand-500);margin-top:4px;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 32px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--ink-2);
}
.footer-bottom p{margin:0;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .section-tight{padding:52px 0;}
  .header-inner{min-height:68px;gap:16px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;
    top:68px;left:0;right:0;
    margin:0;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(11,110,79,.14);
    padding:12px 20px 22px;
    max-height:calc(100vh - 68px);
    overflow-y:auto;
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  }
  body.nav-open .main-nav{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-list > li > a{padding:14px 10px;font-size:16px;}
  .nav-list > li > a::after{display:none;}
  .nav-list > li.is-active > a{background:var(--brand-50);}
  .mega-panel{
    position:static;
    width:auto;
    right:auto;
    top:auto;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border:none;
    border-radius:0;
    padding:8px 0 0 12px;
    display:none;
  }
  .mega-panel::before{display:none;}
  .has-mega.is-open .mega-panel{display:block;}
  .mega-grid{grid-template-columns:1fr;gap:16px;}
  .mega-card{display:none;}
  .header-actions .btn{display:none;}
  .steps{grid-template-columns:repeat(2,1fr);gap:22px;}
  .step::after{display:none;}
  .page-hero-inner{padding:52px 0 46px;}
  .cta-card{padding:36px 28px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  .grid-gap{margin:0 -10px;}
  .grid-gap > .cell{padding:0 10px 22px;}
  .steps{grid-template-columns:1fr;}
  .page-hero h1{max-width:none;}
  .filter-bar{padding:16px;gap:8px;}
  .cta-card{padding:30px 22px;border-radius:22px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .footer-main{padding:44px 20px 28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .btn{min-height:46px;}
}
@media (max-width:479px){
  .logo-text{font-size:16px;}
  .hero-badges .stat-badge{width:100%;justify-content:flex-start;}
}

/* roulang page: category4 */
:root{
  --brand-900:#063A2C;
  --brand-700:#0B6E4F;
  --brand-500:#16A97A;
  --brand-300:#7FE0C0;
  --brand-50:#EAF6F0;
  --accent-500:#FF7A45;
  --accent-600:#E85D26;
  --amber:#FFB020;
  --ink:#0E1F1A;
  --ink-2:#46564F;
  --line:#DCE5DF;
  --bg:#F6F8F4;
  --surface:#FFFFFF;
  --grad:linear-gradient(135deg,#0B6E4F 0%,#16A97A 55%,#7FE0C0 100%);
  --grad-deep:linear-gradient(135deg,#063A2C 0%,#0B6E4F 60%,#16A97A 100%);
  --radius-card:20px;
  --radius-lg:28px;
  --radius-img:16px;
  --radius-field:12px;
  --shadow:0 6px 20px rgba(11,110,79,.08);
  --shadow-hover:0 16px 36px rgba(11,110,79,.16);
  --shadow-dark:0 10px 30px rgba(6,58,44,.28);
  --sec-space:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent-500);}
button,input,textarea{font-family:inherit;font-size:100%;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{list-style:none;padding:0;}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.02em;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
h3{font-size:21px;line-height:1.4;font-weight:700;}
h4{font-size:17px;line-height:1.5;font-weight:700;}
p{color:var(--ink-2);}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sec-space) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:820px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-700);
  background:var(--brand-50);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head p{margin-top:14px;font-size:17px;line-height:1.85;}
.head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:12px 26px;border-radius:999px;
  font-size:15.5px;font-weight:700;cursor:pointer;border:1.5px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow);}
.btn-ghost{background:var(--surface);color:var(--brand-700);border-color:var(--brand-500);}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-2px);}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.75);}
.btn-light:hover{background:#fff;color:var(--brand-700);}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14.5px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

.text-link{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:15px;color:var(--brand-700);}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:5px 13px;font-size:12.5px;font-weight:700;
  background:var(--brand-50);color:var(--brand-700);border:1px solid var(--line);
}
.badge-accent{background:#FFF1EA;color:var(--accent-600);border-color:#FFD9C7;}
.badge-amber{background:#FFF6E4;color:#8A5B00;border-color:#FBE3B4;}
.badge-dark{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.3);}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(11,110,79,.1);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--ink);font-weight:800;font-size:18px;letter-spacing:-.01em;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;box-shadow:var(--shadow);
}
.main-nav .nav-list{display:flex;align-items:center;gap:4px;}
.main-nav .nav-list>li{position:relative;}
.main-nav .nav-list>li>a{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:10px;font-size:15.5px;font-weight:600;color:var(--ink-2);
  transition:color .18s ease,background .18s ease;
}
.main-nav .nav-list>li>a:hover{color:var(--brand-700);background:var(--brand-50);}
.main-nav .nav-list>li.is-active>a{color:var(--brand-700);font-weight:700;position:relative;}
.main-nav .nav-list>li.is-active>a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--brand-700);font-size:17px;cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-50);}

/* Mega 面板 */
.has-mega .mega-panel{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translate(-50%,10px);
  width:720px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-hover);
  padding:24px;opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.has-mega .mega-panel::before{
  content:"";position:absolute;top:-4px;left:0;right:0;height:4px;border-radius:4px;background:var(--grad);
}
.has-mega:hover .mega-panel,
.has-mega.is-open .mega-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0);}
.mega-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;}
.mega-col-title{font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--ink-2);margin-bottom:10px;}
.mega-links{display:flex;flex-direction:column;gap:2px;}
.mega-links a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--ink);border-left:3px solid transparent;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.mega-links a i{color:var(--brand-500);font-size:14px;width:18px;text-align:center;}
.mega-links a:hover{background:var(--brand-50);border-left-color:var(--accent-500);color:var(--brand-700);}
.mega-count{margin-left:auto;font-size:12px;font-weight:700;color:var(--brand-700);background:var(--brand-50);border-radius:999px;padding:2px 9px;}
.mega-card{border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;background:var(--bg);}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mega-card-body{padding:14px 16px 18px;}
.mega-card-body h4{margin-bottom:6px;}
.mega-card-body p{font-size:13.5px;line-height:1.7;margin-bottom:10px;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;padding:14px 0;font-size:13.5px;color:var(--ink-2);}
.breadcrumb a{color:var(--ink-2);font-weight:600;}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb i{font-size:10px;color:#9AAF9F;}
.breadcrumb .current{color:var(--brand-700);font-weight:700;}

/* ---------- 分类页 Hero ---------- */
.cat-hero{position:relative;background:var(--grad-deep);color:#fff;overflow:hidden;}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.08;mix-blend-mode:luminosity;
}
.cat-hero .container{position:relative;z-index:2;padding-top:72px;padding-bottom:76px;}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.cat-hero h1{color:#fff;margin:18px 0 18px;}
.cat-hero p.lead{color:rgba(255,255,255,.9);font-size:17.5px;line-height:1.85;max-width:600px;}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cat-hero-media{position:relative;}
.cat-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-dark);}
.float-card{
  position:absolute;right:-8px;bottom:-18px;background:var(--surface);color:var(--ink);
  border-radius:18px;padding:16px 18px;box-shadow:var(--shadow-hover);min-width:190px;
  border:1px solid var(--line);
}
.float-card span.k{display:block;font-size:12.5px;color:var(--ink-2);font-weight:600;}
.float-card strong{display:block;font-size:24px;color:var(--brand-700);font-weight:800;line-height:1.3;}
.float-card em{font-style:normal;font-size:12.5px;color:var(--ink-2);}

/* ---------- 数据条 ---------- */
.data-band{background:var(--brand-900);color:#fff;}
.data-band-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:44px 0;}
.data-item{border-left:2px solid rgba(127,224,192,.4);padding-left:18px;}
.data-item strong{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;color:#fff;letter-spacing:-.01em;}
.data-item strong em{font-style:normal;font-size:14px;font-weight:700;color:var(--brand-300);margin-left:4px;}
.data-item span{font-size:14px;color:rgba(255,255,255,.78);}

/* ---------- 通用卡片 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:26px;
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.card-img{border-radius:var(--radius-img);overflow:hidden;margin-bottom:18px;background:var(--brand-50);}
.card-img img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .25s ease;}
.card:hover .card-img img{transform:scale(1.03);}
.icon-badge{
  width:46px;height:46px;border-radius:14px;background:var(--brand-50);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:16px;
}
.icon-badge.accent{background:#FFF1EA;color:var(--accent-600);}

/* ---------- 两栏对照 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.compare-card{border-radius:var(--radius-lg);padding:30px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);}
.compare-card.do{border-top:6px solid var(--brand-500);}
.compare-card.dont{border-top:6px solid var(--accent-500);}
.compare-card h3{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.compare-card h3 i{font-size:18px;}
.compare-card.do h3 i{color:var(--brand-500);}
.compare-card.dont h3 i{color:var(--accent-600);}
.compare-card>p{margin-bottom:18px;font-size:15px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line);
  font-size:15.5px;color:var(--ink);
}
.check-list li:last-child{border-bottom:none;padding-bottom:0;}
.check-list li i{margin-top:5px;font-size:15px;}
.check-list li i.ok{color:var(--brand-500);}
.check-list li i.warn{color:var(--accent-600);}
.check-list li b{display:block;font-weight:700;margin-bottom:2px;}
.check-list li span{display:block;font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ---------- 表格信息区 ---------- */
.table-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.safety-table{width:100%;border-collapse:collapse;min-width:720px;margin:0;}
table.safety-table caption{text-align:left;padding:24px 26px 6px;font-size:14px;color:var(--ink-2);}
table.safety-table th,table.safety-table td{
  padding:16px 26px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:top;
}
table.safety-table thead th{
  background:var(--brand-50);color:var(--brand-900);font-weight:700;font-size:13.5px;
  letter-spacing:.03em;border-bottom:1px solid var(--line);
}
table.safety-table tbody tr:nth-child(even){background:#FBFDFC;}
table.safety-table tbody tr:hover{background:var(--brand-50);}
table.safety-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
table.safety-table td span.desc{display:block;color:var(--ink-2);font-size:14px;line-height:1.7;}
table.safety-table td.freq{color:var(--brand-700);font-weight:700;white-space:nowrap;}

/* ---------- 流程时间轴 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.step{position:relative;padding-top:8px;}
.step-num{
  width:52px;height:52px;border-radius:50%;background:var(--surface);border:2px solid var(--brand-300);
  color:var(--brand-700);font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);position:relative;z-index:2;
}
.step::after{
  content:"";position:absolute;top:34px;left:56px;right:-22px;height:0;
  border-top:2px dashed var(--brand-300);
}
.step:last-child::after{display:none;}
.step h3{margin:18px 0 8px;font-size:18px;}
.step p{font-size:15px;line-height:1.75;}

/* ---------- 错落卡片组 ---------- */
.stagger-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:26px;}
.stagger-col{display:grid;gap:26px;align-content:start;}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.feature-card .card-img{margin:0;border-radius:0;}
.feature-card .card-body{padding:24px 26px 28px;}
.feature-card .card-img img{aspect-ratio:16/9;}
.feature-card.tall .card-img img{aspect-ratio:16/10;}
.feature-card h3{margin:12px 0 10px;}
.feature-card p{font-size:15.5px;line-height:1.8;}

/* ---------- 要点清单 ---------- */
.point-list{display:grid;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.point-list .item{display:flex;gap:16px;align-items:flex-start;padding:20px 26px;border-bottom:1px solid var(--line);}
.point-list .item:last-child{border-bottom:none;}
.point-list .bar{width:3px;border-radius:3px;background:var(--grad);align-self:stretch;min-height:34px;flex:0 0 3px;}
.point-list .item h4{margin-bottom:4px;}
.point-list .item p{font-size:14.5px;line-height:1.75;}
.point-list .item .idx{font-weight:800;color:var(--brand-300);font-size:15px;min-width:26px;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start;}
.faq-aside p{font-size:16px;line-height:1.85;margin-top:14px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .chev{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:var(--brand-50);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;transition:transform .25s ease,background .2s ease;
}
.faq-item[open] summary .chev{transform:rotate(180deg);background:var(--brand-300);color:var(--brand-900);}
.faq-item summary:hover{color:var(--brand-700);}
.faq-answer{padding:0 4px 24px;font-size:15.8px;line-height:1.85;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 var(--sec-space);}
.cta-card{
  background:var(--grad);border-radius:var(--radius-lg);padding:52px;color:#fff;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;box-shadow:var(--shadow-dark);
  position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 88% 12%,rgba(255,255,255,.16),transparent 46%);
}
.cta-card>*{position:relative;z-index:2;}
.cta-card h2{color:#fff;margin-bottom:14px;}
.cta-card p{color:rgba(255,255,255,.9);font-size:16.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);}
.footer-top{height:6px;background:var(--grad);}
.footer-main{padding:64px 0 40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:15px;line-height:1.85;max-width:360px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--ink);}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14.8px;color:var(--ink-2);font-weight:600;}
.footer-col ul a:hover{color:var(--brand-700);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.8px;color:var(--ink-2);}
.footer-contact li i{color:var(--brand-500);margin-top:5px;font-size:14px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid var(--line);
}
.footer-bottom p{font-size:13.5px;color:var(--ink-2);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .container{padding:0 32px;}
}
@media screen and (max-width:1023px){
  :root{--sec-space:72px;}
  .container{padding:0 24px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .main-nav{
    position:fixed;top:0;right:-340px;width:320px;height:100vh;background:var(--surface);
    box-shadow:-12px 0 32px rgba(6,58,44,.16);padding:88px 20px 32px;overflow-y:auto;
    transition:right .28s ease;z-index:70;
  }
  .main-nav.is-open{right:0;}
  .main-nav .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .main-nav .nav-list>li>a{padding:14px 12px;font-size:16px;justify-content:space-between;}
  .main-nav .nav-list>li.is-active>a::after{left:12px;right:auto;width:26px;bottom:8px;}
  .has-mega .mega-panel{
    position:static;transform:none;width:100%;opacity:1;visibility:visible;pointer-events:auto;
    box-shadow:none;border-radius:14px;padding:16px;margin-top:8px;display:none;
  }
  .has-mega.is-open .mega-panel{display:block;}
  .has-mega:hover .mega-panel{transform:none;}
  .mega-grid{grid-template-columns:1fr;gap:16px;}
  .mega-card{display:none;}
  .header-actions .btn{display:none;}
  .cat-hero .container{padding-top:56px;padding-bottom:60px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px;}
  .cat-hero-media img{aspect-ratio:16/9;}
  .float-card{position:static;margin-top:16px;display:inline-block;}
  .data-band-inner{grid-template-columns:repeat(2,1fr);gap:28px;padding:36px 0;}
  .steps{grid-template-columns:repeat(2,1fr);gap:26px;}
  .step::after{display:none;}
  .compare-grid{grid-template-columns:1fr;}
  .stagger-grid{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .cta-card{grid-template-columns:1fr;gap:28px;padding:40px 32px;}
}
@media screen and (max-width:767px){
  :root{--sec-space:56px;}
  .container{padding:0 20px;}
  body{font-size:16px;line-height:1.78;}
  .header-inner{min-height:66px;gap:12px;}
  .logo{font-size:16.5px;}
  .logo-mark{width:34px;height:34px;border-radius:10px;font-size:14px;}
  .btn{width:100%;}
  .cat-hero-actions .btn{width:100%;}
  .header-actions .btn,.mega-card .text-link{width:auto;}
  .data-band-inner{grid-template-columns:1fr;gap:22px;}
  .data-item{border-left:2px solid rgba(127,224,192,.4);}
  .steps{grid-template-columns:1fr;}
  .section-head{margin-bottom:30px;}
  .card,.compare-card{padding:22px;}
  table.safety-table th,table.safety-table td{padding:14px 18px;}
  .point-list .item{padding:18px 20px;}
  .cta-card{padding:32px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-main{padding:48px 0 28px;}
}
@media screen and (max-width:479px){
  h1{font-size:27px;}
  .logo-text{max-width:132px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .float-card{min-width:100%;}
}