/* roulang page: index */
:root{
  --brand:#0E6B5C;
  --brand-dark:#0A5247;
  --brand-soft:rgba(14,107,92,.10);
  --accent:#F0653A;
  --accent-soft:rgba(240,101,58,.12);
  --gold:#E9B44C;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --tint:#EEF3F0;
  --text:#17211E;
  --muted:#5A6661;
  --line:#E2E6E3;
  --radius-card:16px;
  --radius-input:12px;
  --radius-badge:8px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(23,33,30,.04),0 8px 24px rgba(23,33,30,.06);
  --shadow-hover:0 12px 32px rgba(23,33,30,.10);
  --space-section:96px;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;border-radius:var(--radius-input);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--space-section) 0;}
.section--tint{background:var(--tint);}
.section-head{margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:13px;
  line-height:22px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--radius-badge);
  padding:2px 10px;
  margin-bottom:12px;
}
h1{font-size:40px;line-height:48px;font-weight:700;}
h2{font-size:30px;line-height:40px;font-weight:700;}
h3{font-size:22px;line-height:30px;font-weight:600;}
.section-head h2{color:var(--text);}
.section-head p{
  margin-top:12px;
  font-size:16px;
  line-height:28px;
  color:var(--muted);
  max-width:720px;
}
.text-muted{color:var(--muted);}
.mono{font-family:var(--mono);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 26px;
  font-size:16px;
  line-height:1;
  font-weight:600;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#fff;}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn--accent{background:var(--accent);color:#fff;}
.btn--accent:hover{background:#d9552e;color:#fff;transform:translateY(-1px);}
.btn--ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn--ghost:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn--block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
}
.link-arrow svg{transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 8px rgba(23,33,30,.04);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--text);
  flex:0 0 auto;
}
.logo:hover{color:var(--brand);}
.logo svg{flex:0 0 auto;}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:12px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding:6px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after,
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-right{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  height:40px;
  width:236px;
  background:var(--tint);
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  padding:0 6px 0 16px;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(14,107,92,.12);
}
.search-box input{
  flex:1;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--text);
  height:36px;
  min-width:0;
}
.search-box input::placeholder{color:var(--muted);}
.search-box input:focus{outline:none;}
.search-box button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border:0;
  border-radius:50%;
  background:var(--brand);
  color:#fff;
  cursor:pointer;
  transition:background .18s ease;
}
.search-box button:hover{background:var(--brand-dark);}
.mobile-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:#fff;
  cursor:pointer;
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 24px 20px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:14px;}
.mobile-drawer nav a{
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding:10px 0;
  border-bottom:1px solid var(--line);
}
.mobile-drawer nav a.is-active{color:var(--brand);font-weight:600;}
.mobile-drawer .search-box{width:100%;}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  padding:64px 0 72px;
}
.hero-grid{
  display:flex;
  align-items:center;
  gap:56px;
}
.hero-copy{flex:0 0 58%;max-width:58%;}
.hero-media{flex:1;}
.badge-pill{
  display:inline-block;
  font-size:14px;
  line-height:22px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--radius-pill);
  padding:6px 16px;
  margin-bottom:18px;
}
.hero h1{margin-bottom:18px;}
.hero .lead{
  font-size:18px;
  line-height:30px;
  color:var(--muted);
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-note{
  margin-top:18px;
  font-size:14px;
  line-height:22px;
  color:var(--muted);
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:20px;
  box-shadow:var(--shadow-card);
}
.hero-float{
  position:absolute;
  right:-12px;
  bottom:-20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-hover);
  padding:16px 20px;
  min-width:200px;
}
.hero-float strong{
  display:block;
  font-size:26px;
  line-height:34px;
  font-family:var(--mono);
  color:var(--gold);
}
.hero-float span{
  font-size:14px;
  line-height:22px;
  color:var(--muted);
}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;
  top:68px;
  z-index:40;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
}
.anchor-bar ul{
  display:flex;
  gap:28px;
  overflow-x:auto;
  padding:0;
  scrollbar-width:none;
}
.anchor-bar ul::-webkit-scrollbar{display:none;}
.anchor-bar a{
  display:inline-block;
  padding:16px 0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.anchor-bar a:hover{color:var(--brand);}
.anchor-bar a.is-current{color:var(--brand);font-weight:600;border-bottom-color:var(--brand);}

/* ---------- 卡片通用 ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:24px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.card h3{margin-bottom:10px;}
.card p{color:var(--muted);font-size:15px;line-height:26px;}
.icon-round{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  margin-bottom:16px;
}

/* ---------- 卖点 ---------- */
.feature-main{
  display:flex;
  gap:32px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:32px;
  margin-bottom:24px;
}
.feature-main .txt{flex:1;}
.feature-main .pic{flex:0 0 44%;}
.feature-main img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.feature-grid .card:nth-child(1),
.feature-grid .card:nth-child(4){grid-column:span 7;}
.feature-grid .card:nth-child(2),
.feature-grid .card:nth-child(3){grid-column:span 5;}

/* ---------- 演示 ---------- */
.demo-wrap{display:flex;gap:56px;align-items:flex-start;}
.demo-pic{flex:0 0 46%;}
.demo-pic img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  box-shadow:var(--shadow-card);
}
.demo-steps{flex:1;position:relative;}
.step{
  position:relative;
  padding:0 0 32px 64px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";
  position:absolute;
  left:19px;
  top:40px;
  bottom:0;
  width:1px;
  background:var(--line);
}
.step:last-child::before{display:none;}
.step-num{
  position:absolute;
  left:0;
  top:0;
  width:40px;
  height:40px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--mono);
  font-size:16px;
  font-weight:600;
  background:var(--tint);
  color:var(--brand);
  border:1px solid var(--line);
}
.step.is-current .step-num{background:var(--accent);color:#fff;border-color:var(--accent);}
.step h3{margin-bottom:6px;}
.step p{color:var(--muted);font-size:15px;line-height:26px;}

/* ---------- 证据 ---------- */
.proof-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:24px;
  align-items:stretch;
}
.stat-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.stat{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-card);
}
.stat .num{
  display:block;
  font-family:var(--mono);
  font-size:30px;
  line-height:40px;
  font-weight:700;
  color:var(--gold);
}
.stat .label{
  font-size:14px;
  line-height:22px;
  color:var(--muted);
  margin-top:4px;
}
.review-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:28px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.review-card blockquote{
  margin:0 0 20px;
  font-size:17px;
  line-height:32px;
  color:var(--text);
  border-left:3px solid var(--accent);
  padding-left:16px;
}
.stars{color:var(--gold);font-size:16px;letter-spacing:2px;margin-bottom:10px;}
.review-author{font-size:14px;line-height:22px;color:var(--muted);}
.brand-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  margin-top:20px;
  opacity:.55;
  font-size:14px;
  color:var(--muted);
}

/* ---------- 方案 ---------- */
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:start;
}
.plan-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:28px 24px;
  display:flex;
  flex-direction:column;
  height:100%;
  transition:transform .18s ease,box-shadow .18s ease;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.plan-card.is-featured{
  border:1.5px solid var(--brand);
  transform:translateY(-8px);
}
.plan-card.is-featured:hover{transform:translateY(-10px);}
.plan-flag{
  position:absolute;
  top:-12px;
  left:24px;
  font-size:13px;
  line-height:24px;
  font-weight:600;
  color:#fff;
  background:var(--accent);
  border-radius:var(--radius-badge);
  padding:0 10px;
}
.plan-card h3{margin-bottom:6px;}
.plan-card .plan-desc{font-size:14px;line-height:22px;color:var(--muted);margin-bottom:16px;}
.plan-price{
  font-family:var(--mono);
  font-size:34px;
  line-height:44px;
  font-weight:700;
  color:var(--brand);
  margin-bottom:18px;
}
.plan-price small{font-size:14px;font-family:inherit;font-weight:400;color:var(--muted);margin-left:6px;}
.plan-list li{
  display:flex;
  gap:10px;
  font-size:15px;
  line-height:26px;
  color:var(--muted);
  padding:8px 0;
  border-bottom:1px solid var(--line);
}
.plan-list li:last-child{border-bottom:0;}
.plan-list svg{flex:0 0 auto;margin-top:5px;color:var(--brand);}
.plan-card .btn{margin-top:20px;}
.plan-foot{
  margin-top:20px;
  font-size:12px;
  line-height:20px;
  color:var(--muted);
}

/* ---------- 资讯 ---------- */
.news-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin:0;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.news-thumb{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--tint);
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .3s ease;
}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-badge{
  position:absolute;
  top:12px;
  left:12px;
  font-size:13px;
  line-height:22px;
  font-weight:600;
  color:var(--brand);
  background:rgba(255,255,255,.92);
  border-radius:var(--radius-badge);
  padding:2px 10px;
}
.news-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.news-body h3{
  font-size:18px;
  line-height:28px;
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card:hover .news-body h3{color:var(--brand);}
.news-body p{
  font-size:14px;
  line-height:24px;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:13px;
  line-height:22px;
  color:var(--muted);
}
.news-meta .date{font-family:var(--mono);}
.news-empty{
  grid-column:1/-1;
  text-align:center;
  padding:56px 24px;
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  color:var(--muted);
}
.news-empty svg{color:var(--brand);margin-bottom:12px;}
.news-empty a{font-weight:600;}

/* ---------- FAQ ---------- */
.faq-list .accordion{
  background:transparent;
  border:0;
  margin:0;
}
.faq-list .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  margin-bottom:12px;
  overflow:hidden;
}
.faq-list .accordion-title{
  position:relative;
  display:block;
  padding:20px 64px 20px 24px;
  font-size:17px;
  line-height:28px;
  font-weight:600;
  color:var(--text);
  border:0;
  background:#fff;
  transition:background .18s ease,color .18s ease;
}
.faq-list .accordion-title:hover{background:var(--tint);color:var(--brand);}
.faq-list .accordion-title::before{
  content:"";
  position:absolute;
  right:24px;
  top:50%;
  width:26px;
  height:2px;
  background:var(--accent);
  transform:translateY(-50%);
  transition:transform .2s ease;
}
.faq-list .accordion-title::after{
  content:"";
  position:absolute;
  right:24px;
  top:50%;
  width:26px;
  height:2px;
  background:var(--accent);
  transform:translateY(-50%) rotate(90deg);
  transition:transform .2s ease;
}
.faq-list .accordion-title[aria-expanded="true"]{color:var(--brand);background:var(--tint);}
.faq-list .accordion-title[aria-expanded="true"]::after{transform:translateY(-50%) rotate(0deg);}
.faq-list .accordion-content{
  padding:0 24px 22px;
  border:0;
  background:var(--tint);
  color:var(--muted);
  font-size:15px;
  line-height:28px;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--brand-dark);
  color:#fff;
  padding:72px 0;
  text-align:center;
}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{
  color:rgba(255,255,255,.82);
  font-size:16px;
  line-height:28px;
  max-width:640px;
  margin:0 auto 26px;
}
.cta-band .cta-sub{
  display:block;
  margin-top:16px;
  font-size:14px;
  line-height:22px;
  color:rgba(255,255,255,.7);
  word-break:break-all;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-dark);
  color:rgba(255,255,255,.8);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:40px;
}
.site-footer h4{
  font-size:16px;
  line-height:26px;
  font-weight:600;
  color:#fff;
  margin:0 0 16px;
}
.site-footer p{font-size:14px;line-height:24px;color:rgba(255,255,255,.75);}
.site-footer ul li{margin-bottom:10px;}
.site-footer a{
  font-size:14px;
  line-height:24px;
  color:rgba(255,255,255,.8);
}
.site-footer a:hover{color:var(--accent);text-decoration:underline;}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);
  padding:20px 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  line-height:22px;
  color:rgba(255,255,255,.65);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:16px;
  bottom:24px;
  z-index:50;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:48px;
  padding:12px 24px;
  border-radius:var(--radius-pill);
  background:var(--brand);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--shadow-hover);
}
.float-cta a:hover{background:var(--brand-dark);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--space-section:72px;}
  h1{font-size:34px;line-height:44px;}
  h2{font-size:26px;line-height:36px;}
  .nav-links{display:none;}
  .nav-right .search-box{display:none;}
  .mobile-toggle{display:inline-flex;}
  .hero{padding:48px 0 56px;}
  .hero-grid{flex-direction:column;gap:40px;}
  .hero-copy,.hero-media{flex:1 1 auto;max-width:100%;}
  .hero-media{width:100%;}
  .hero-float{right:16px;bottom:-16px;}
  .anchor-bar{top:60px;}
  .nav-inner{height:60px;}
  .feature-main{flex-direction:column;padding:24px;}
  .feature-main .pic{flex:1 1 auto;width:100%;}
  .feature-grid .card:nth-child(n){grid-column:span 6;}
  .demo-wrap{flex-direction:column;gap:36px;}
  .demo-pic{width:100%;}
  .proof-grid{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;}
  .plan-card.is-featured{transform:none;}
  .plan-card.is-featured:hover{transform:translateY(-2px);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:639px){
  :root{--space-section:56px;}
  .container{padding:0 20px;}
  h1{font-size:28px;line-height:36px;}
  h2{font-size:23px;line-height:33px;}
  h3{font-size:19px;line-height:28px;}
  body{font-size:15px;line-height:26px;}
  .hero .lead{font-size:16px;line-height:27px;}
  .hero-media img{aspect-ratio:16/10;}
  .hero-float{position:static;margin-top:16px;right:auto;bottom:auto;}
  .feature-grid .card:nth-child(n){grid-column:span 12;}
  .stat-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .float-cta{
    left:0;
    right:0;
    bottom:0;
    transform:none;
  }
  .float-cta a{
    width:100%;
    justify-content:center;
    border-radius:0;
    padding:14px 20px;
  }
}

/* roulang page: article */
:root{
  --brand:#0E6B5C;
  --brand-dark:#0A5247;
  --brand-soft:rgba(14,107,92,.10);
  --accent:#F0653A;
  --accent-soft:rgba(240,101,58,.12);
  --gold:#E9B44C;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --tint:#EEF3F0;
  --text:#17211E;
  --muted:#5A6661;
  --line:#E2E6E3;
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:12px;
  --shadow-card:0 1px 2px rgba(23,33,30,.04),0 8px 24px rgba(23,33,30,.06);
  --shadow-hover:0 12px 32px rgba(23,33,30,.10);
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:28px;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:0;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 8px rgba(23,33,30,.04);
}
.header-inner{
  min-height:68px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
  transition:color .18s ease;
  min-height:44px;
}
.brand svg{color:var(--brand);flex:0 0 auto;}
.brand:hover{color:var(--brand);}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  flex:1 1 auto;
  min-width:0;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  font-size:15px;
  line-height:1;
  font-weight:500;
  color:var(--muted);
  padding:26px 0;
  white-space:nowrap;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:18px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.header-tools{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
  flex:0 0 auto;
}
.search-box{
  display:flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 5px 0 16px;
  background:var(--tint);
  border:1px solid transparent;
  border-radius:999px;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(14,107,92,.12);
}
.search-box input{
  width:170px;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--text);
}
.search-box input::placeholder{color:var(--muted);}
.search-box button{
  width:30px;height:30px;
  border:0;
  border-radius:50%;
  background:var(--brand);
  color:#fff;
  display:grid;
  place-items:center;
  cursor:pointer;
  transition:background .18s ease;
}
.search-box button:hover{background:var(--brand-dark);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:16px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#d4552e;transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:0 20px;font-size:15px;}
.btn-block{width:100%;}

/* ---------- 页头 / 面包屑 ---------- */
.page-main{padding:32px 0 96px;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  line-height:22px;
  color:var(--muted);
  margin-bottom:24px;
}
.breadcrumb a{color:var(--muted);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B6C0BB;}
.breadcrumb .current{
  color:var(--text);
  max-width:320px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:40px;
  align-items:start;
}
.article-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:40px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:14px;
  line-height:22px;
  color:var(--muted);
}
.badge{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  border-radius:8px;
  font-size:14px;
  font-weight:600;
  line-height:1.4;
}
.badge-brand{background:var(--brand-soft);color:var(--brand-dark);}
.article-title{
  margin-top:16px;
  font-size:32px;
  line-height:44px;
  font-weight:700;
}
.article-divider{
  height:1px;
  background:var(--line);
  margin:24px 0 28px;
}

/* ---------- 正文 ---------- */
.article-body{
  max-width:760px;
  font-size:17px;
  line-height:32px;
  color:var(--text);
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:24px;
  line-height:34px;
  font-weight:700;
  margin:40px 0 16px;
}
.article-body h3{
  font-size:19px;
  line-height:28px;
  font-weight:600;
  margin:28px 0 12px;
}
.article-body ul{margin:0 0 20px;}
.article-body ul li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--brand);
}
.article-body ol{
  margin:0 0 20px;
  padding-left:22px;
  list-style:decimal;
}
.article-body ol li{margin-bottom:10px;}
.article-body blockquote{
  margin:24px 0;
  padding:16px 20px;
  background:var(--tint);
  border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;
  color:var(--muted);
}
.article-body img{
  border-radius:var(--radius-img);
  margin:24px 0;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;
  line-height:22px;
  color:var(--muted);
  margin-top:8px;
  text-align:center;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  line-height:24px;
}
.article-body th,
.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
  vertical-align:top;
}
.article-body thead th{
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-weight:600;
}
.article-body tbody tr:nth-child(even){background:var(--tint);}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent);}
.article-body code{
  font-family:var(--mono);
  font-size:15px;
  background:var(--tint);
  padding:2px 6px;
  border-radius:6px;
}
.article-body pre{
  background:var(--tint);
  padding:18px;
  border-radius:12px;
  overflow-x:auto;
  margin:24px 0;
}
.article-body pre code{background:none;padding:0;}

/* ---------- 空状态 ---------- */
.empty-state{
  padding:48px 0 24px;
  text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;
  margin:0 auto 18px;
  border-radius:50%;
  background:var(--tint);
  display:grid;
  place-items:center;
  color:var(--brand);
}
.empty-state h2{font-size:22px;line-height:30px;font-weight:600;margin-bottom:12px;}
.empty-state p{color:var(--muted);margin-bottom:24px;}

/* ---------- 标签 ---------- */
.article-foot{margin-top:40px;}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:32px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:7px 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:14px;
  line-height:1.4;
  transition:background .18s ease,color .18s ease;
}
.tag:hover{background:var(--brand);color:#fff;}

/* ---------- 上下篇 ---------- */
.post-nav{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
  margin-bottom:32px;
}
.post-nav-item{
  display:block;
  padding:20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-nav-item:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
  border-color:var(--brand);
}
.post-nav-label{
  display:block;
  font-size:13px;
  line-height:20px;
  color:var(--muted);
  margin-bottom:6px;
}
.post-nav-item strong{
  font-size:16px;
  line-height:26px;
  font-weight:600;
  color:var(--text);
}
.post-nav-item:hover strong{color:var(--brand);}

/* ---------- 相关推荐 ---------- */
.related{margin-top:48px;}
.section-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
}
.section-head h2{
  font-size:24px;
  line-height:34px;
  font-weight:700;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  min-height:44px;
}
.link-more svg{transition:transform .18s ease;}
.link-more:hover svg{transform:translateX(4px);}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  height:100%;
}
.news-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
  border-color:var(--brand);
}
.news-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:var(--tint);
  overflow:hidden;
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.news-thumb .badge{
  position:absolute;
  top:12px;
  left:12px;
  background:rgba(255,255,255,.92);
  color:var(--brand-dark);
}
.news-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.news-body h3{
  font-size:17px;
  line-height:26px;
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card:hover h3{color:var(--brand);}
.news-body p{
  font-size:14px;
  line-height:24px;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--muted);
}
.news-foot .mono{font-family:var(--mono);}
.news-foot .read{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:4px;}
.news-foot .read svg{transition:transform .18s ease;}
.news-card:hover .read svg{transform:translateX(3px);}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:24px;
  margin-bottom:24px;
}
.side-card h3{
  font-size:17px;
  line-height:26px;
  font-weight:700;
  padding-bottom:14px;
  margin-bottom:6px;
  border-bottom:1px solid var(--line);
}
.side-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-num{
  font-family:var(--mono);
  font-size:13px;
  line-height:22px;
  color:var(--muted);
  flex:0 0 auto;
}
.side-list a{
  font-size:15px;
  line-height:24px;
  color:var(--text);
  transition:color .18s ease;
}
.side-list a:hover{color:var(--brand);}
.side-cta{
  background:linear-gradient(160deg,var(--brand) 0%,var(--brand-dark) 100%);
  border:0;
  color:#fff;
}
.side-cta h3{
  color:#fff;
  border-bottom-color:rgba(255,255,255,.22);
  padding-bottom:14px;
}
.side-cta p{
  font-size:14px;
  line-height:24px;
  color:rgba(255,255,255,.82);
  margin:12px 0 20px;
}
.side-cta .btn{
  background:#fff;
  color:var(--brand-dark);
}
.side-cta .btn:hover{background:var(--accent);color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-dark);
  color:rgba(255,255,255,.8);
  padding:64px 0 24px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand svg{color:var(--gold);}
.site-footer p{
  font-size:14px;
  line-height:24px;
  color:rgba(255,255,255,.72);
  max-width:340px;
}
.site-footer h4{
  font-size:15px;
  line-height:24px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a{
  font-size:14px;
  line-height:24px;
  color:rgba(255,255,255,.8);
  transition:color .18s ease;
}
.site-footer ul a:hover{color:var(--accent);text-decoration:underline;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;
  line-height:22px;
  color:rgba(255,255,255,.62);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{flex-wrap:wrap;gap:12px;padding-top:10px;padding-bottom:10px;}
  .nav-links{
    order:3;
    width:100%;
    gap:22px;
    overflow-x:auto;
    scrollbar-width:none;
    padding-bottom:2px;
  }
  .nav-links::-webkit-scrollbar{display:none;}
  .nav-links a{padding:10px 0;}
  .nav-links a::after{bottom:4px;}
  .header-tools{margin-left:auto;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-card{padding:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  body{font-size:15px;}
  .page-main{padding:24px 0 64px;}
  .article-card{padding:24px 20px;}
  .article-title{font-size:24px;line-height:34px;}
  .article-body{font-size:16px;line-height:30px;}
  .article-body h2{font-size:20px;line-height:30px;margin:32px 0 14px;}
  .article-body h3{font-size:17px;line-height:26px;}
  .post-nav{grid-template-columns:minmax(0,1fr);}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .search-box input{width:120px;}
  .breadcrumb .current{max-width:180px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .site-footer{padding:48px 0 20px;}
}
@media (max-width:519px){
  .container{padding:0 20px;}
  .search-box{display:none;}
  .brand{font-size:16px;}
  .btn-sm{padding:0 16px;font-size:14px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}

/* roulang page: category1 */
:root{
  --brand:#0E6B5C;
  --brand-dark:#0A5247;
  --brand-soft:rgba(14,107,92,.10);
  --accent:#F0653A;
  --accent-soft:rgba(240,101,58,.12);
  --gold:#E9B44C;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --tint:#EEF3F0;
  --text:#17211E;
  --muted:#5A6661;
  --line:#E2E6E3;
  --radius-card:16px;
  --radius-input:12px;
  --radius-badge:8px;
  --shadow-card:0 1px 2px rgba(23,33,30,.04),0 8px 24px rgba(23,33,30,.06);
  --shadow-hover:0 12px 32px rgba(23,33,30,.10);
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--brand-dark);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding:0;list-style:none;}
h1{font-size:40px;line-height:48px;font-weight:700;}
h2{font-size:30px;line-height:40px;font-weight:700;}
h3{font-size:22px;line-height:30px;font-weight:600;}
h4{font-size:17px;line-height:26px;font-weight:600;}
p{font-size:16px;line-height:28px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* 容器 */
.grid-container{
  max-width:1200px;
  width:100%;
  padding-left:24px;
  padding-right:24px;
  margin-left:auto;
  margin-right:auto;
}
.container{
  max-width:1200px;
  padding-left:24px;
  padding-right:24px;
  margin-left:auto;
  margin-right:auto;
}

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 8px rgba(23,33,30,.04);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
  font-size:18px;
  font-weight:700;
  line-height:1;
}
.brand:hover{color:var(--brand);}
.brand svg{color:var(--brand);flex:0 0 auto;}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  line-height:1;
  font-weight:500;
  color:var(--text);
  padding:14px 0;
  min-height:44px;
  display:inline-flex;
  align-items:center;
  transition:color 180ms ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:4px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 180ms ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after,
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);}
.header-tools{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.search-box{
  display:flex;
  align-items:center;
  height:40px;
  border-radius:999px;
  background:var(--tint);
  border:1px solid transparent;
  padding:0 4px 0 16px;
  transition:background 180ms ease,border-color 180ms ease,box-shadow 180ms ease;
}
.search-box input{
  border:0;
  background:transparent;
  outline:none;
  width:170px;
  height:100%;
  font-size:14px;
  color:var(--text);
}
.search-box input::placeholder{color:var(--muted);}
.search-box:focus-within{
  background:#FFFFFF;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(14,107,92,.12);
}
.search-box button{
  width:32px;
  height:32px;
  border-radius:999px;
  border:0;
  background:var(--brand);
  color:#FFFFFF;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background 180ms ease;
}
.search-box button:hover{background:var(--brand-dark);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:999px;
  font-size:16px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:background 180ms ease,color 180ms ease,transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.btn-primary{background:var(--brand);color:#FFFFFF;}
.btn-primary:hover{background:var(--brand-dark);color:#FFFFFF;transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#FFFFFF;}
.btn-accent:hover{background:#d9562e;color:#FFFFFF;transform:translateY(-1px);}
.btn-ghost{background:#FFFFFF;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
}
.link-arrow span.arrow{transition:transform 180ms ease;display:inline-block;}
.link-arrow:hover span.arrow{transform:translateX(4px);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#FFFFFF;
  color:var(--brand);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#FFFFFF;
  padding:16px 24px 24px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px;}
.mobile-drawer .drawer-nav a{
  display:flex;
  align-items:center;
  min-height:44px;
  font-size:16px;
  font-weight:500;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-drawer .drawer-nav a.is-active{color:var(--brand);box-shadow:inset 2px 0 0 var(--brand);padding-left:10px;}
.mobile-drawer .search-box{width:100%;}
.mobile-drawer .search-box input{width:100%;}

/* 页头 */
.page-hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(10,82,71,.90),rgba(14,107,92,.62));
  opacity:.78;
}
.page-hero .hero-inner{
  position:relative;
  z-index:2;
  padding:72px 0 76px;
  max-width:760px;
  color:#FFFFFF;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  line-height:22px;
  color:rgba(255,255,255,.78);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.9);}
.breadcrumb a:hover{color:#FFFFFF;}
.breadcrumb .sep{opacity:.6;}
.page-hero h1{
  color:#FFFFFF;
  margin-bottom:18px;
}
.page-hero .lead{
  font-size:17px;
  line-height:30px;
  color:rgba(255,255,255,.9);
  max-width:640px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.hero-badges .badge{
  background:rgba(255,255,255,.14);
  color:#FFFFFF;
  border:1px solid rgba(255,255,255,.28);
}

/* 徽章与标签 */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--radius-badge);
  font-size:14px;
  line-height:20px;
  font-weight:600;
  background:var(--brand-soft);
  color:var(--brand-dark);
}
.badge-accent{background:var(--accent-soft);color:#b8421f;}
.badge-gold{background:rgba(233,180,76,.18);color:#8a6318;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;}

/* 区块 */
.section{padding:var(--space-section) 0;}
.section-tint{background:var(--tint);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:14px;
  line-height:22px;
  font-weight:600;
  color:var(--accent);
  letter-spacing:.02em;
  margin-bottom:10px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);}

/* 卡片 */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:24px;
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
  height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#d5dcd7;}
.card h3{margin-bottom:10px;transition:color 180ms ease;}
.card:hover h3{color:var(--brand);}
.card p{color:var(--muted);}
.card-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
}
.card-icon.accent{background:var(--accent-soft);color:var(--accent);}

/* 图文分栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split.reverse .split-media{order:-1;}
.split-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:12px;
  box-shadow:var(--shadow-card);
}
.split-text h2{margin-bottom:16px;}
.split-text p{color:var(--muted);margin-bottom:14px;}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:18px;}
.check-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:16px;
  line-height:26px;
  color:var(--text);
}
.check-list li svg{flex:0 0 auto;margin-top:4px;color:var(--brand);}

/* 2x2 要点格 */
.points-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  margin-top:48px;
}
.point-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-card);
  display:flex;
  gap:16px;
  align-items:flex-start;
  transition:transform 180ms ease,box-shadow 180ms ease;
}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.point-card .num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;
  line-height:24px;
  font-weight:700;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:8px;
  padding:2px 10px;
  flex:0 0 auto;
}
.point-card h3{font-size:18px;line-height:26px;margin-bottom:8px;}
.point-card p{color:var(--muted);font-size:15px;line-height:26px;}

/* 步骤时间线 */
.steps{position:relative;margin-top:8px;}
.step{
  position:relative;
  padding-left:56px;
  padding-bottom:28px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";
  position:absolute;
  left:19px;
  top:40px;
  bottom:0;
  width:1px;
  background:var(--line);
}
.step:last-child::before{display:none;}
.step .step-num{
  position:absolute;
  left:0;
  top:0;
  width:40px;
  height:40px;
  border-radius:999px;
  background:var(--tint);
  color:var(--brand-dark);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-weight:700;
  font-size:15px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
}
.step.is-current .step-num{background:var(--accent);color:#FFFFFF;border-color:var(--accent);}
.step h3{font-size:18px;line-height:28px;margin-bottom:6px;}
.step p{color:var(--muted);font-size:15px;line-height:26px;}

/* 数据卡 */
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.stat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-card);
}
.stat-card .num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:30px;
  line-height:38px;
  font-weight:700;
  color:var(--gold);
  display:block;
  margin-bottom:6px;
}
.stat-card .label{font-size:14px;line-height:22px;color:var(--muted);}

/* FAQ */
.accordion{
  border:0;
  background:transparent;
  margin:0;
}
.accordion .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:background 180ms ease,border-color 180ms ease;
}
.accordion .accordion-item.is-active{background:var(--tint);border-color:#d5dcd7;}
.accordion .accordion-title{
  font-size:17px;
  line-height:26px;
  font-weight:600;
  color:var(--text);
  padding:20px 64px 20px 24px;
  border:0;
  position:relative;
  display:block;
}
.accordion .accordion-title:hover{color:var(--brand);background:transparent;}
.accordion .accordion-title::before{
  content:"";
  position:absolute;
  right:24px;
  top:50%;
  width:28px;
  height:28px;
  margin-top:-14px;
  border-radius:999px;
  background:var(--accent-soft);
  transform:none;
  display:flex;
  align-items:center;
  justify-content:center;
}
.accordion .accordion-title::after{
  content:"";
  position:absolute;
  right:35px;
  top:50%;
  width:12px;
  height:2px;
  margin-top:-1px;
  background:var(--accent);
  border:0;
  transform:none;
  transition:transform 180ms ease;
}
.accordion .accordion-item .accordion-title .plus{
  position:absolute;
  right:40px;
  top:50%;
  width:2px;
  height:12px;
  margin-top:-6px;
  background:var(--accent);
  transition:transform 180ms ease,opacity 180ms ease;
}
.accordion .accordion-item.is-active .accordion-title .plus{transform:rotate(90deg) scaleY(0);opacity:0;}
.accordion .accordion-content{
  border:0;
  padding:0 24px 22px;
  background:transparent;
  color:var(--muted);
  font-size:16px;
  line-height:28px;
}

/* CTA 带 */
.cta-band{
  background:var(--brand-dark);
  border-radius:20px;
  padding:56px 48px;
  color:#FFFFFF;
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  align-items:center;
  justify-content:space-between;
}
.cta-band h2{color:#FFFFFF;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.82);max-width:640px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.cta-band .btn-primary{background:var(--accent);}
.cta-band .btn-primary:hover{background:#d9562e;}
.cta-band .btn-ghost{background:transparent;color:#FFFFFF;border-color:rgba(255,255,255,.5);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#FFFFFF;}
.cta-note{font-size:14px;line-height:22px;color:rgba(255,255,255,.7);margin-top:12px;}

/* 推荐链接 */
.related-list{
  border-top:1px solid var(--line);
  margin-top:8px;
}
.related-list li{
  border-bottom:1px solid var(--line);
}
.related-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 4px;
  min-height:44px;
  color:var(--text);
  transition:color 180ms ease,padding 180ms ease;
}
.related-list a:hover{color:var(--brand);padding-left:10px;}
.related-list .meta{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;
  line-height:22px;
  color:var(--muted);
  flex:0 0 auto;
}

/* 页脚 */
.site-footer{
  background:var(--brand-dark);
  color:rgba(255,255,255,.8);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#FFFFFF;
  font-size:18px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-brand svg{color:var(--accent);}
.site-footer p{font-size:14px;line-height:24px;color:rgba(255,255,255,.72);}
.site-footer h4{
  color:#FFFFFF;
  font-size:15px;
  line-height:24px;
  margin-bottom:14px;
}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a{
  color:rgba(255,255,255,.8);
  font-size:14px;
  line-height:22px;
  transition:color 180ms ease;
}
.site-footer ul a:hover{color:var(--accent);text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  line-height:22px;
  color:rgba(255,255,255,.6);
}

/* 响应式 */
@media screen and (max-width:1023px){
  h1{font-size:34px;line-height:42px;}
  h2{font-size:26px;line-height:36px;}
  :root{--space-section:72px;}
  .nav-links{display:none;}
  .header-tools .search-box{display:none;}
  .header-tools .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:44px 32px;}
}
@media screen and (max-width:639px){
  :root{--space-section:56px;}
  h1{font-size:28px;line-height:36px;}
  h2{font-size:23px;line-height:32px;}
  h3{font-size:19px;line-height:28px;}
  body{font-size:15px;line-height:26px;}
  p{font-size:15px;line-height:26px;}
  .grid-container,.container{padding-left:20px;padding-right:20px;}
  .header-inner{min-height:60px;gap:12px;}
  .brand span{font-size:16px;}
  .page-hero .hero-inner{padding:48px 0 52px;}
  .points-grid{grid-template-columns:1fr;gap:16px;}
  .stat-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:32px 22px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .btn{width:100%;}
  .related-list a{flex-direction:column;align-items:flex-start;gap:6px;}
  .accordion .accordion-title{padding:18px 60px 18px 20px;}
  .accordion .accordion-content{padding:0 20px 20px;}
}

/* roulang page: category2 */
:root{
  --brand:#0E6B5C;
  --brand-dark:#0A5247;
  --brand-soft:rgba(14,107,92,.10);
  --accent:#F0653A;
  --accent-soft:rgba(240,101,58,.12);
  --gold:#E9B44C;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --tint:#EEF3F0;
  --text:#17211E;
  --muted:#5A6661;
  --line:#E2E6E3;
  --radius-card:16px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(23,33,30,.04),0 8px 24px rgba(23,33,30,.06);
  --shadow-hover:0 12px 32px rgba(23,33,30,.10);
  --space-section:96px;
  --font-mono:"SFMono-Regular","JetBrains Mono",Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:0;color:var(--text);font-weight:700;}
h1{font-size:40px;line-height:1.2;}
h2{font-size:30px;line-height:1.33;}
h3{font-size:22px;line-height:1.36;font-weight:600;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* ---------- 容器 ---------- */
.container,.grid-container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-container.grid-px{padding-left:24px;padding-right:24px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 8px rgba(23,33,30,.04);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
  flex:0 0 auto;
}
.brand:hover{color:var(--brand);}
.brand svg{flex:0 0 auto;color:var(--brand);}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  padding:22px 0;
  line-height:1;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:16px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-tools{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-search{
  display:flex;
  align-items:center;
  height:40px;
  background:var(--tint);
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  padding:0 4px 0 16px;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.nav-search input{
  border:0;
  background:transparent;
  outline:none;
  width:150px;
  font-size:14px;
  color:var(--text);
  height:100%;
}
.nav-search input::placeholder{color:#8B968F;}
.nav-search:focus-within{
  background:var(--surface);
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(14,107,92,.12);
}
.nav-search button{
  width:32px;
  height:32px;
  border:0;
  border-radius:50%;
  background:var(--brand);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background .18s ease;
}
.nav-search button:hover{background:var(--brand-dark);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--radius-pill);
  font-size:16px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#D9552C;color:#fff;transform:translateY(-1px);}
.btn-ghost{background:var(--surface);color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  color:var(--brand);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-soft);}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--surface);
  padding:12px 0 20px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:16px;}
.mobile-drawer .drawer-links a{
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  padding:12px 0;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.mobile-drawer .drawer-links a.is-active{color:var(--brand);font-weight:600;}
.mobile-drawer .drawer-links a::after{content:"›";color:var(--line);font-size:18px;}
.mobile-drawer .drawer-links a.is-active::after{color:var(--brand);}
.drawer-search{display:flex;align-items:center;height:44px;background:var(--tint);border-radius:var(--radius-pill);padding:0 4px 0 16px;margin-bottom:14px;}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;height:100%;}
.drawer-search button{width:36px;height:36px;border:0;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;}

/* ---------- 页头 Hero ---------- */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(100deg,rgba(10,82,71,.72) 0%,rgba(14,107,92,.38) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-60px;
  bottom:-60px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:rgba(255,255,255,.05);
  pointer-events:none;
}
.page-hero .grid-container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:14px;
  color:rgba(255,255,255,.82);
  margin-bottom:18px;
}
.crumbs a{color:rgba(255,255,255,.82);}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs span[aria-current]{color:#fff;font-weight:500;}
.page-hero h1{
  color:#fff;
  max-width:820px;
  text-shadow:0 2px 12px rgba(10,82,71,.35);
}
.hero-lead{
  margin-top:16px;
  max-width:680px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.92);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-badges .pill{
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  backdrop-filter:none;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0;}
.section-tint{background:var(--tint);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:8px;
  padding:6px 12px;
  margin-bottom:14px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;}

.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  padding:6px 12px;
  border-radius:8px;
  background:var(--brand-soft);
  color:var(--brand-dark);
}
.pill-accent{background:var(--accent-soft);color:#B93F1C;}
.pill-gold{background:rgba(233,180,76,.16);color:#8A6516;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;
  top:12px;
  bottom:34px;
  width:1px;
  background:var(--line);
}
.timeline-item{
  position:relative;
  padding:0 0 30px 64px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item .step-num{
  position:absolute;
  left:0;
  top:0;
  width:40px;
  height:40px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:600;
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--muted);
  transition:all .18s ease;
}
.timeline-item.is-current .step-num{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
  box-shadow:0 6px 16px rgba(240,101,58,.28);
}
.timeline-item h3{margin-bottom:8px;}
.timeline-item p{color:var(--muted);font-size:15px;line-height:1.75;}
.timeline-item .step-tag{
  display:inline-block;
  margin-top:10px;
  font-size:13px;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:6px;
  padding:4px 10px;
}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split.reverse .split-media{order:2;}
.split-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:12px;
  box-shadow:var(--shadow-card);
}
.split-body h2{margin-bottom:16px;}
.split-body p{color:var(--muted);}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;
  gap:10px;
  font-size:15px;
  color:var(--text);
  line-height:1.7;
}
.check-list li svg{flex:0 0 auto;margin-top:4px;color:var(--brand);}
.check-list li span{color:var(--muted);}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:24px;
  height:100%;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.card:hover h3{color:var(--brand);}
.card h3{margin-bottom:10px;transition:color .18s ease;}
.card p{color:var(--muted);font-size:15px;}
.card-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
}

/* ---------- 场景格 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.scene-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--brand);
  border-radius:12px;
  padding:20px 22px;
}
.scene-item h3{font-size:18px;margin-bottom:8px;}
.scene-item p{font-size:14px;color:var(--muted);}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:var(--accent-soft);
  border:1px solid rgba(240,101,58,.24);
  border-radius:12px;
  padding:18px 20px;
  margin-top:24px;
}
.notice svg{flex:0 0 auto;color:var(--accent);margin-top:2px;}
.notice strong{display:block;font-size:15px;margin-bottom:4px;color:#B93F1C;}
.notice p{font-size:14px;color:var(--muted);}

/* ---------- 推荐链接 ---------- */
.rec-list{display:flex;flex-direction:column;gap:0;}
.rec-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 4px;
  border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.rec-item:first-child{border-top:1px solid var(--line);}
.rec-item:hover{background:rgba(14,107,92,.03);}
.rec-item .rec-title{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:10px;
}
.rec-item:hover .rec-title{color:var(--brand);}
.rec-item .rec-meta{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--muted);
  white-space:nowrap;
}
.arrow-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
}
.arrow-link svg{transition:transform .18s ease;}
.arrow-link:hover svg{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.accordion{border:0;background:transparent;margin:0;}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .18s ease;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-item.is-active{border-color:rgba(14,107,92,.32);}
.accordion-title{
  position:relative;
  display:block;
  border:0;
  padding:18px 60px 18px 22px;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
  background:transparent;
}
.accordion-title::before{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:19px;
  font-weight:600;
  line-height:28px;
  text-align:center;
  transition:transform .2s ease,background .2s ease;
}
.accordion-title:hover{background:var(--tint);color:var(--brand);}
.accordion-item.is-active .accordion-title{background:var(--tint);color:var(--brand);}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg);}
.accordion-content{
  border:0;
  border-top:1px solid var(--line);
  padding:16px 22px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  background:var(--surface);
}
.accordion-content p{margin-bottom:10px;}
.accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--brand-dark);
  color:#fff;
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:-80px;
  top:-80px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:rgba(255,255,255,.05);
}
.cta-band .cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.82);max-width:560px;font-size:15px;}
.cta-sub{font-size:14px;color:rgba(255,255,255,.7);margin-top:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-dark);
  color:rgba(255,255,255,.8);
  padding:64px 0 0;
  font-size:15px;
}
.site-footer .footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand svg{color:#fff;}
.footer-brand:hover{color:#fff;}
.site-footer p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;max-width:320px;}
.site-footer h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.site-footer ul{display:flex;flex-direction:column;gap:12px;}
.site-footer ul a{
  color:rgba(255,255,255,.8);
  font-size:14px;
  transition:color .18s ease;
}
.site-footer ul a:hover{color:var(--accent);text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.62);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--space-section:72px;}
  h1{font-size:32px;}
  h2{font-size:26px;}
  h3{font-size:20px;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{height:60px;justify-content:space-between;gap:12px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split-media{order:0;}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero{min-height:280px;}
}
@media (max-width:639px){
  :root{--space-section:56px;}
  .container,.grid-container{padding-left:20px;padding-right:20px;}
  h1{font-size:28px;line-height:1.28;}
  h2{font-size:23px;}
  h3{font-size:19px;}
  body{font-size:15px;}
  .page-hero{min-height:220px;}
  .page-hero .grid-container{padding-top:40px;padding-bottom:40px;}
  .hero-lead{font-size:15px;}
  .brand{font-size:16px;}
  .scene-grid{grid-template-columns:1fr;gap:16px;}
  .timeline-item{padding-left:56px;}
  .timeline::before{left:17px;}
  .timeline-item .step-num{width:36px;height:36px;font-size:13px;}
  .card{padding:20px;}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start;}
  .site-footer .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .rec-item{flex-direction:column;align-items:flex-start;gap:8px;}
  .accordion-title{font-size:16px;padding:16px 54px 16px 18px;}
}

/* roulang page: category3 */
:root{
  --brand:#0E6B5C;
  --brand-dark:#0A5247;
  --brand-soft:rgba(14,107,92,.10);
  --accent:#F0653A;
  --accent-soft:rgba(240,101,58,.12);
  --gold:#E9B44C;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --tint:#EEF3F0;
  --text:#17211E;
  --muted:#5A6661;
  --line:#E2E6E3;
  --radius-card:16px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(23,33,30,.04),0 8px 24px rgba(23,33,30,.06);
  --shadow-hover:0 12px 32px rgba(23,33,30,.10);
  --space-lg:96px;
  --space-md:72px;
  --space-sm:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:0;}
h1{font-size:40px;line-height:48px;}
h2{font-size:30px;line-height:40px;}
h3{font-size:22px;line-height:30px;font-weight:600;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 8px rgba(23,33,30,.04);
}
.nav-bar{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
}
.logo:hover{color:var(--brand);}
.logo svg{flex:none;color:var(--brand);}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:8px;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:12px 0;
  font-size:15px;
  font-weight:500;
  line-height:1;
  color:var(--muted);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a.is-active{color:var(--brand);}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.nav-tools{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{
  display:flex;
  align-items:center;
  height:40px;
  padding:0 4px 0 14px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  background:var(--tint);
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.search-box input{
  width:170px;
  height:100%;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--text);
  outline:none;
}
.search-box input::placeholder{color:var(--muted);}
.search-box button{
  width:32px;
  height:32px;
  border:0;
  border-radius:50%;
  background:var(--brand);
  color:#fff;
  display:grid;
  place-items:center;
  cursor:pointer;
  transition:background .18s ease;
}
.search-box button:hover{background:var(--brand-dark);}
.search-box:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(14,107,92,.12);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-size:16px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#d8552d;color:#fff;transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:15px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  color:var(--brand);
  margin-left:auto;
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 0 24px;
}
.mobile-drawer.is-open{display:block;}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.drawer-links a{
  position:relative;
  padding:12px 0 12px 12px;
  font-size:16px;
  font-weight:500;
  color:var(--muted);
  border-bottom:1px solid var(--line);
}
.drawer-links a.is-active{color:var(--brand);}
.drawer-links a.is-active::before{
  content:"";
  position:absolute;
  left:0;
  top:16px;
  bottom:16px;
  width:2px;
  border-radius:2px;
  background:var(--brand);
}
.drawer-search{display:flex;align-items:center;gap:8px;}
.drawer-search .search-box{flex:1;}
.drawer-search .search-box input{width:100%;}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:center;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(10,82,71,.88),rgba(14,107,92,.62));
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:16px;
  font-size:14px;
  line-height:22px;
  color:rgba(255,255,255,.78);
}
.breadcrumb a{color:rgba(255,255,255,.9);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.page-hero h1{
  color:#fff;
  max-width:820px;
  margin-bottom:16px;
}
.hero-lead{
  max-width:720px;
  font-size:17px;
  line-height:32px;
  color:rgba(255,255,255,.86);
  margin:0;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.hero-tags span{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
  font-size:14px;
}

/* ---------- Sections ---------- */
.section{padding:var(--space-lg) 0;}
.section--tint{background:var(--tint);}
.section--white{background:#fff;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:17px;line-height:30px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  margin-bottom:14px;
  border-radius:8px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:14px;
  font-weight:600;
}
.split{display:grid;gap:48px;align-items:center;grid-template-columns:1fr 1fr;}
.split--reverse .split-media{order:2;}
.split-body h2{margin-bottom:16px;}
.split-body p{color:var(--muted);font-size:17px;line-height:30px;}
.split-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:12px;
  box-shadow:var(--shadow-card);
}
.figure-note{
  margin-top:10px;
  font-size:13px;
  line-height:22px;
  color:var(--muted);
}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:16px;
  line-height:28px;
  color:var(--text);
}
.check-list li svg{flex:none;margin-top:5px;color:var(--brand);}
.check-list li strong{font-weight:600;}

/* ---------- Table ---------- */
.table-scroll{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:#fff;
  box-shadow:var(--shadow-card);
  -webkit-overflow-scrolling:touch;
}
table.compare-table{
  width:100%;
  min-width:820px;
  border-collapse:collapse;
  font-size:15px;
  line-height:24px;
}
.compare-table th,
.compare-table td{
  padding:16px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.compare-table thead th{
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-weight:600;
  font-size:15px;
  white-space:nowrap;
}
.compare-table tbody tr:nth-child(even){background:var(--tint);}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table td:first-child{font-weight:600;color:var(--text);}
.compare-table td{color:var(--muted);}
.table-caption{
  margin-top:14px;
  font-size:14px;
  line-height:24px;
  color:var(--muted);
}

/* ---------- Badges ---------- */
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:32px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 16px;
  border-radius:8px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:14px;
  font-weight:600;
}
.badge--accent{background:var(--accent-soft);color:#B8431F;}
.badge--plain{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:500;}

/* ---------- Note cards ---------- */
.note-grid{
  display:grid;
  gap:24px;
  grid-template-columns:repeat(3,1fr);
  margin-top:32px;
}
.note-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-card);
  transition:transform .18s ease,box-shadow .18s ease;
}
.note-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.note-card h3{margin-bottom:10px;font-size:18px;line-height:26px;}
.note-card p{color:var(--muted);font-size:15px;line-height:26px;margin:0;}
.note-card .num{
  display:inline-block;
  margin-bottom:12px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;
  color:var(--gold);
  font-weight:600;
}

/* ---------- FAQ ---------- */
.accordion{
  margin:0;
  background:transparent;
  border:0;
}
.accordion .accordion-item{
  margin-bottom:12px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:#fff;
  overflow:hidden;
  transition:background-color .18s ease,border-color .18s ease;
}
.accordion .accordion-item.is-active{
  background:var(--tint);
  border-color:rgba(14,107,92,.28);
}
.accordion .accordion-title{
  position:relative;
  display:block;
  padding:20px 64px 20px 24px;
  border:0;
  font-size:17px;
  font-weight:600;
  line-height:26px;
  color:var(--text);
  background:transparent;
}
.accordion .accordion-title:hover{color:var(--brand);}
.accordion .accordion-title::before{display:none !important;}
.accordion .accordion-title::after{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  width:28px;
  height:28px;
  margin-top:-14px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid var(--accent);
  color:var(--accent);
  font-size:18px;
  line-height:1;
  transition:transform .2s ease;
}
.accordion .accordion-item.is-active .accordion-title::after{transform:rotate(45deg);}
.accordion .accordion-content{
  padding:0 24px 22px;
  border:0;
  background:transparent;
  color:var(--muted);
  font-size:16px;
  line-height:28px;
}

/* ---------- Recommend list + CTA ---------- */
.recommend{
  display:grid;
  gap:24px;
  grid-template-columns:repeat(3,1fr);
}
.rec-item{
  display:block;
  padding:24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .18s ease,box-shadow .18s ease;
}
.rec-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.rec-item h3{
  margin-bottom:10px;
  font-size:18px;
  line-height:28px;
  color:var(--text);
}
.rec-item:hover h3{color:var(--brand);}
.rec-item p{color:var(--muted);font-size:15px;line-height:26px;margin:0 0 14px;}
.rec-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;
  color:var(--muted);
}
.cta-band{
  background:var(--brand-dark);
  color:#fff;
  padding:64px 0;
}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{
  color:rgba(255,255,255,.8);
  font-size:17px;
  line-height:30px;
  max-width:640px;
  margin:0 0 28px;
}
.cta-band .cta-foot{
  margin-top:16px;
  font-size:14px;
  line-height:22px;
  color:rgba(255,255,255,.7);
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--brand-dark);
  color:rgba(255,255,255,.8);
  padding:64px 0 0;
  font-size:15px;
  line-height:26px;
}
.footer-grid{
  display:grid;
  gap:40px;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
  font-size:18px;
  font-weight:700;
  color:#fff;
}
.footer-brand:hover{color:var(--accent);}
.footer-brand svg{color:var(--accent);}
.site-footer h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.site-footer p{color:rgba(255,255,255,.72);}
.site-footer ul{display:grid;gap:10px;}
.site-footer a{color:rgba(255,255,255,.8);}
.site-footer a:hover{color:var(--accent);text-decoration:underline;}
.footer-bottom{
  margin-top:48px;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:14px;
  color:rgba(255,255,255,.66);
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-tools .search-box{display:none;}
  .nav-tools .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split--reverse .split-media{order:0;}
  .note-grid{grid-template-columns:repeat(2,1fr);}
  .recommend{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  h1{font-size:32px;line-height:42px;}
  h2{font-size:26px;line-height:36px;}
  .section{padding:var(--space-md) 0;}
  .page-hero{min-height:280px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  h1{font-size:28px;line-height:36px;}
  h2{font-size:23px;line-height:32px;}
  h3{font-size:19px;line-height:28px;}
  .section{padding:var(--space-sm) 0;}
  .note-grid{grid-template-columns:1fr;gap:16px;}
  .recommend{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .page-hero{min-height:220px;}
  .page-hero .container{padding-top:40px;padding-bottom:40px;}
  .hero-lead{font-size:16px;line-height:28px;}
  .cta-band{padding:48px 0;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category4 */
:root{
  --brand:#0E6B5C;
  --brand-dark:#0A5247;
  --brand-soft:rgba(14,107,92,.10);
  --accent:#F0653A;
  --accent-soft:rgba(240,101,58,.12);
  --gold:#E9B44C;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --tint:#EEF3F0;
  --text:#17211E;
  --muted:#5A6661;
  --line:#E2E6E3;
  --radius-card:16px;
  --radius-pill:999px;
  --radius-input:12px;
  --shadow-card:0 1px 2px rgba(23,33,30,.04),0 8px 24px rgba(23,33,30,.06);
  --shadow-hover:0 12px 32px rgba(23,33,30,.10);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
h1{font-size:40px;line-height:1.2;font-weight:700}
h2{font-size:30px;line-height:1.33;font-weight:700}
h3{font-size:22px;line-height:1.36;font-weight:600}
p{font-size:16px;line-height:1.75}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:96px 0}
.section--tint{background:var(--tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--muted)}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-x.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.cell{min-width:0}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 8px rgba(23,33,30,.04)}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h);position:relative}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text);white-space:nowrap;min-height:44px}
.brand svg{flex:0 0 auto;color:var(--brand)}
.brand:hover{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:28px;font-size:15px;font-weight:500;line-height:1}
.nav-links a{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:4px 0;color:var(--muted);transition:color 180ms ease}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;background:transparent;transition:background 180ms ease}
.nav-links a:hover{color:var(--brand)}
.nav-links a.is-active{color:var(--brand);font-weight:600}
.nav-links a.is-active::after{background:var(--brand)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;height:40px;padding:0 4px 0 16px;border-radius:var(--radius-pill);background:var(--tint);border:1px solid transparent;transition:background 180ms ease,border-color 180ms ease,box-shadow 180ms ease}
.search-box input{border:0;background:transparent;outline:0;width:168px;font-size:14px;color:var(--text)}
.search-box input::placeholder{color:var(--muted)}
.search-box button{width:32px;height:32px;border:0;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;transition:background 180ms ease}
.search-box button:hover{background:var(--brand-dark)}
.search-box:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--brand);align-items:center;justify-content:center}
.nav-toggle:hover{background:var(--brand-soft)}
.nav-search{display:none}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius-pill);font-size:16px;font-weight:600;line-height:1;transition:transform 180ms ease,background 180ms ease,box-shadow 180ms ease,color 180ms ease,border-color 180ms ease}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#d9542b;transform:translateY(-1px)}
.btn-sm{min-height:40px;font-size:14px;padding:0 18px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;min-height:44px}
.link-arrow svg{transition:transform 180ms ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* 徽章与胶囊 */
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:8px;background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:600;line-height:1.6}
.badge--accent{background:var(--accent-soft);color:#b5431f}
.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--brand-dark);font-size:14px;font-weight:600}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}

/* 页面页头 */
.page-hero{position:relative;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,82,71,.42) 0%,rgba(14,107,92,.30) 58%,rgba(14,107,92,.22) 100%)}
.page-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;min-height:320px;display:flex;flex-direction:column;justify-content:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.88);margin-bottom:14px}
.breadcrumb a{min-height:24px;display:inline-flex;align-items:center}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.page-hero h1{color:#fff;margin-bottom:14px;max-width:860px;text-shadow:0 2px 12px rgba(10,82,71,.25)}
.page-hero .lead{color:rgba(255,255,255,.94);font-size:17px;max-width:660px}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-pills .pill{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28)}

/* 卡片 */
.card{display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform 180ms ease,box-shadow 180ms ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.card:hover h3{color:var(--brand)}
.card-media{background:var(--tint);aspect-ratio:16/9;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{margin:0;transition:color 180ms ease}
.card-body p{color:var(--muted);font-size:15px}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
.card-meta .time{font-family:var(--mono)}
.card--wide{flex-direction:row}
.card--wide .card-media{flex:0 0 44%;aspect-ratio:auto;min-height:260px}
.card--wide .card-body{flex:1}
.list-check{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.list-check li{position:relative;padding-left:26px;color:var(--muted);font-size:15px;line-height:1.7}
.list-check li::before{content:"";position:absolute;left:0;top:8px;width:12px;height:12px;border-radius:4px;background:var(--brand-soft);border:1.5px solid var(--brand)}

/* 侧栏 */
.sidebar{display:flex;flex-direction:column;gap:24px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card)}
.side-card h3{font-size:19px;margin-bottom:14px}
.side-card>p{color:var(--muted);font-size:14px}
.side-list li{border-bottom:1px solid var(--line)}
.side-list li:last-child{border-bottom:0}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;padding:10px 0;font-size:15px;color:var(--text)}
.side-list a:hover{color:var(--brand)}
.side-list .time{font-family:var(--mono);font-size:13px;color:var(--muted);white-space:nowrap}
.side-cta{background:var(--brand-dark);border-color:var(--brand-dark);color:rgba(255,255,255,.86)}
.side-cta h3{color:#fff}
.side-cta p{color:rgba(255,255,255,.82);font-size:14px;margin-bottom:18px}
.side-cta .btn-accent{width:100%}

/* 步骤时间线 */
.steps{display:flex;flex-direction:column;margin-top:8px}
.steps li{position:relative;padding:0 0 28px 68px}
.steps li::before{content:"";position:absolute;left:22px;top:48px;bottom:0;width:1px;background:var(--line)}
.steps li:last-child{padding-bottom:0}
.steps li:last-child::before{display:none}
.step-num{position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;font-weight:700;font-family:var(--mono);font-size:15px}
.steps li.is-current .step-num{background:var(--accent);color:#fff}
.steps h3{margin-bottom:6px;font-size:19px}
.steps p{color:var(--muted);font-size:15px}
.figure{border-radius:12px;overflow:hidden;background:var(--tint);box-shadow:var(--shadow-card)}
.figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;border-radius:12px}
.figure figcaption{font-size:13px;color:var(--muted);padding:12px 16px;background:#fff;border-top:1px solid var(--line)}

/* 数据块 */
.stat-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:24px}
.stat{flex:1 1 150px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;box-shadow:var(--shadow-card)}
.stat strong{display:block;font-family:var(--mono);font-size:24px;color:var(--brand);line-height:1.2}
.stat span{font-size:13px;color:var(--muted)}

/* FAQ */
.accordion{border:0;background:transparent;display:flex;flex-direction:column;gap:12px;margin:0}
.accordion .accordion-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:background 180ms ease}
.accordion .accordion-item.is-active{background:var(--tint)}
.accordion .accordion-title{position:relative;display:block;border:0;padding:20px 64px 20px 24px;font-size:17px;font-weight:600;line-height:1.6;color:var(--text);transition:color 180ms ease}
.accordion .accordion-title:hover{color:var(--brand)}
.accordion .accordion-title::before,
.accordion .accordion-title::after{content:"";position:absolute;right:26px;top:50%;background:var(--accent);border-radius:2px;transition:transform 200ms ease}
.accordion .accordion-title::before{width:16px;height:2px;margin-top:-1px}
.accordion .accordion-title::after{width:2px;height:16px;right:33px;margin-top:-8px}
.accordion .accordion-item.is-active .accordion-title::after{transform:rotate(90deg)}
.accordion .accordion-content{border:0;padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85;background:transparent}
.accordion .accordion-content p{font-size:15px;color:var(--muted)}

/* 推荐链接条 */
.rec-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.rec-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--text);transition:color 180ms ease}
.rec-item:hover{color:var(--brand)}
.rec-item .time{font-family:var(--mono);font-size:13px;color:var(--muted);white-space:nowrap}

/* CTA 带 */
.cta-band{background:var(--tint);border-top:1px solid var(--line);padding:72px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between}
.cta-inner h2{margin-bottom:10px}
.cta-inner p{color:var(--muted);max-width:620px}
.cta-note{margin-top:14px;font-size:14px;color:var(--muted)}

/* 页脚 */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.8);padding:72px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand svg{color:#fff}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.78)}
.site-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:14px}
.site-footer li{margin-bottom:10px}
.site-footer li a{font-size:14px;color:rgba(255,255,255,.8);transition:color 180ms ease}
.site-footer li a:hover{color:var(--accent);text-decoration:underline}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;border-top:1px solid rgba(255,255,255,.16);margin-top:40px;padding-top:20px;font-size:14px;color:rgba(255,255,255,.72)}

@media (max-width:1023px){
  :root{--header-h:60px}
  .container{padding:0 20px}
  .section{padding:72px 0}
  .cta-band{padding:56px 0}
  .nav-toggle{display:inline-flex}
  .search-box{display:none}
  .nav-links{position:absolute;left:-20px;right:-20px;top:100%;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(23,33,30,.08);padding:6px 20px 18px;display:none}
  .site-header.nav-open .nav-links{display:flex}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);width:100%}
  .nav-links a::after{display:none}
  .nav-links a.is-active{color:var(--brand)}
  .nav-search{display:block;width:100%;margin-top:14px}
  .nav-search input{width:100%;height:44px;border:1px solid var(--line);border-radius:var(--radius-input);padding:0 16px;background:var(--tint);outline:0}
  .nav-search input:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
  .card--wide{flex-direction:column}
  .card--wide .card-media{flex:none;min-height:0;aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:639px){
  h1{font-size:28px}
  h2{font-size:24px}
  h3{font-size:19px}
  .section{padding:56px 0}
  .page-hero .container{padding-top:44px;padding-bottom:44px;min-height:220px}
  .page-hero .lead{font-size:15px}
  .card-body{padding:20px}
  .side-card{padding:20px}
  .steps li{padding-left:60px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .rec-item{flex-direction:column;align-items:flex-start;gap:6px}
}