/* roulang page: index */
:root{
  --brand:#1F6F5C;
  --brand-dark:#175A4A;
  --brand-deep:#123F35;
  --accent:#E8843C;
  --accent-dark:#CE6F2B;
  --bg:#FAF8F5;
  --bg-alt:#EEF3F1;
  --text:#22302C;
  --muted:#5C6B66;
  --line:#DCE5E1;
  --white:#ffffff;
  --radius-card:14px;
  --radius-btn:8px;
  --radius-img:12px;
  --shadow-sm:0 2px 6px rgba(31,111,92,.06);
  --shadow-md:0 10px 24px rgba(31,111,92,.12);
  --container:1200px;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:.2px;}
h1{font-size:38px;line-height:1.3;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.4;}
p{margin:0 0 14px;}
ul,ol{margin:0 0 14px;padding-left:20px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:80px 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--bg-alt);}
.section--deep{background:var(--brand-deep);color:#E7EFEC;}
.section--deep h2,.section--deep h3{color:#fff;}
.section-head{margin-bottom:34px;max-width:760px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  letter-spacing:1px;margin-bottom:12px;
}
.section-head .kicker::before{
  content:"";width:14px;height:14px;background:var(--accent);
  border-radius:4px;display:inline-block;
}
.section-head p{color:var(--muted);margin-top:10px;font-size:15.5px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head--center .kicker::before{display:none;}
.section-head--center .kicker{padding:4px 12px;background:var(--bg-alt);border-radius:999px;}
.section--deep .section-head p{color:#B9CCC6;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,132,60,.28);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line);}
.btn-ghost:hover{background:var(--bg-alt);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.7;
  background:var(--bg-alt);color:var(--brand-dark);
}
.badge--accent{background:rgba(232,132,60,.14);color:var(--accent-dark);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,245,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,height .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(31,111,92,.10);}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:var(--nav-h);
}
.site-header.is-scrolled .nav-bar{height:56px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--brand-deep);letter-spacing:.4px;}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--brand) 0%,#2E8F76 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;
}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:1px;line-height:1;}
.nav-main{display:flex;align-items:center;gap:26px;}
.nav-links{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0;}
.nav-links a{
  position:relative;font-size:15px;font-weight:600;color:var(--text);
  padding:6px 0;display:inline-block;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  height:40px;width:190px;padding:0 38px 0 14px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;font-size:14px;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease,width .2s ease;
}
.nav-search input::placeholder{color:#9AA8A3;}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,111,92,.12);}
.nav-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border:0;background:transparent;color:var(--muted);
  cursor:pointer;border-radius:6px;transition:color .18s ease,background .18s ease;
}
.nav-search button:hover{color:var(--brand);background:var(--bg-alt);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  border-radius:var(--radius-btn);background:#fff;color:var(--brand-deep);
  font-size:18px;cursor:pointer;transition:all .18s ease;
}
.nav-toggle:hover{background:var(--bg-alt);border-color:var(--brand);}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 20px;}
.mobile-panel.is-open{display:block;}
.mobile-panel ul{list-style:none;margin:0 0 14px;padding:0;}
.mobile-panel li a{
  display:block;padding:12px 4px;font-size:16px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-panel li a.is-active{color:var(--brand);}
.mobile-panel .mobile-cta{margin-top:6px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:64px 0 72px;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(31,111,92,.10),transparent 70%),
    linear-gradient(180deg,#FAF8F5 0%,#F3F7F5 100%);
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  font-size:13px;font-weight:600;color:var(--brand);margin-bottom:20px;
}
.hero-eyebrow i{color:var(--accent);}
.hero h1{font-size:38px;line-height:1.32;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:16.5px;color:var(--muted);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0;}
.hero-tags li{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:13.5px;color:var(--text);
  box-shadow:var(--shadow-sm);
}
.hero-tags i{color:var(--brand);font-size:12px;}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:18px;overflow:hidden;
  aspect-ratio:16/11;
  background:linear-gradient(135deg,#1F6F5C 0%,#12463A 55%,#175A4A 100%);
  box-shadow:0 18px 40px rgba(18,63,53,.22);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;opacity:.94;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(18,63,53,.05) 30%,rgba(18,63,53,.42) 100%);
}
.hero-float{
  position:absolute;left:-16px;bottom:-18px;
  background:#fff;border-radius:var(--radius-card);
  padding:14px 18px;box-shadow:var(--shadow-md);
  border:1px solid var(--line);min-width:196px;
}
.hero-float strong{display:block;font-size:22px;color:var(--brand);line-height:1.3;}
.hero-float span{font-size:13px;color:var(--muted);}
.hero-float--top{left:auto;right:-14px;top:-16px;bottom:auto;}

/* ---------- 指标条 ---------- */
.metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.metric{padding:26px 22px;border-right:1px solid var(--line);}
.metric:last-child{border-right:0;}
.metric strong{display:block;font-size:27px;color:var(--brand);line-height:1.3;}
.metric span{font-size:14px;color:var(--muted);}
.metric small{display:block;margin-top:4px;font-size:12.5px;color:#93A29D;}

/* ---------- 卡片网格 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
  display:flex;flex-direction:column;height:100%;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:#C9D9D3;}
.card-media{
  aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#E6EFEC,#CFE0DA);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;}
.card-body p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px;}
.card-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.card-link:hover{color:var(--accent);}
.card-link i{font-size:12px;transition:transform .2s ease;}
.card-link:hover i{transform:translateX(3px);}

/* ---------- 图文模块 ---------- */
.split{display:grid;grid-template-columns:5fr 6fr;gap:52px;align-items:center;}
.split--rev .split-media{order:2;}
.split-media{
  border-radius:18px;overflow:hidden;aspect-ratio:4/3;
  background:linear-gradient(135deg,#175A4A,#0F3B31);
  box-shadow:0 16px 36px rgba(18,63,53,.18);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.check-list{list-style:none;margin:20px 0 26px;padding:0;}
.check-list li{
  position:relative;padding-left:28px;margin-bottom:12px;
  font-size:15px;color:var(--text);line-height:1.85;
}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:4px;font-size:12px;color:#fff;
  background:var(--brand);width:18px;height:18px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
}
.text-block{margin-bottom:22px;}
.text-block h3{margin-bottom:8px;}
.text-block p{color:var(--muted);font-size:15.5px;margin:0;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,transform .2s ease;
}
.step:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.step-index{
  width:40px;height:40px;border-radius:12px;background:var(--bg-alt);
  color:var(--brand);font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  box-shadow:var(--shadow-sm);transition:box-shadow .2s ease,transform .2s ease;
}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.news-thumb{
  height:6px;background:linear-gradient(90deg,var(--brand) 0%,var(--accent) 100%);
}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:17.5px;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);
}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state i{font-size:26px;color:var(--brand);margin-bottom:12px;display:block;}
.empty-state p{color:var(--muted);margin-bottom:16px;}

/* ---------- 评价轮播 ---------- */
.reviews-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;}
.review-controls{display:flex;align-items:center;gap:10px;}
.ctrl-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .18s ease;
}
.ctrl-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px);}
.ctrl-btn:active{transform:translateY(0);}
.ctrl-btn.is-plain{width:auto;border-radius:999px;padding:0 16px;font-size:13.5px;font-weight:600;gap:8px;}
.review-viewport{overflow:hidden;}
.review-track{
  display:flex;gap:24px;
  transition:transform .35s cubic-bezier(.4,.02,.2,1);
  will-change:transform;
}
.review-card{
  flex:0 0 calc(50% - 12px);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-sm);
}
.review-top{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.avatar{
  width:46px;height:46px;border-radius:50%;flex:none;
  background:var(--bg-alt);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;
}
.review-top strong{display:block;font-size:15.5px;}
.review-top span{font-size:13px;color:var(--muted);}
.stars{color:var(--accent);font-size:13.5px;letter-spacing:2px;margin-bottom:10px;}
.review-card p{font-size:15px;color:var(--muted);margin:0;line-height:1.85;}

/* ---------- 保障条 ---------- */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.guarantee{
  display:flex;gap:14px;align-items:flex-start;
  padding:22px;border-radius:var(--radius-card);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,transform .2s ease;
}
.guarantee:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.guarantee i{
  width:42px;height:42px;flex:none;border-radius:12px;
  border:1.5px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.guarantee h3{font-size:16px;margin-bottom:4px;}
.guarantee p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#C9D9D3;box-shadow:var(--shadow-md);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 22px;
  font-size:16.5px;font-weight:600;color:var(--text);
  position:relative;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:8px;background:var(--bg-alt);
  color:var(--brand);font-weight:700;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--brand);color:#fff;}
.faq-item summary:hover{color:var(--brand);}
.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,#EAF2EF 0%,#DFEDE8 60%,#E9F1EE 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:52px 0;flex-wrap:wrap;
}
.cta-inner h2{font-size:26px;margin-bottom:8px;}
.cta-inner p{color:var(--muted);margin:0;font-size:15.5px;max-width:620px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#C7D8D3;padding:60px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-size:18px;font-weight:800;}
.footer-brand .brand-mark{background:linear-gradient(135deg,#2E8F76,#1F6F5C);}
.site-footer p{color:#A9C0BA;line-height:1.85;font-size:14px;}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:700;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#C7D8D3;font-size:14.5px;}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;color:#C7D8D3;font-size:14.5px;}
.footer-contact i{color:#8FBFB0;margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:#9DB6B0;
}
.footer-bottom a{color:#9DB6B0;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .container{padding:0 22px;}
  h1{font-size:33px;}
  .hero h1{font-size:32px;}
  h2{font-size:25px;}
  .section{padding:66px 0;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .metric{border-bottom:1px solid var(--line);}
  .metric:nth-child(2n){border-right:0;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-sub{max-width:none;}
  .split{grid-template-columns:1fr;gap:34px;}
  .split--rev .split-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .nav-search input{width:150px;}
}
@media screen and (max-width:860px){
  .nav-links,.nav-actions .nav-search,.nav-actions .btn{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
}
@media screen and (max-width:768px){
  .section{padding:54px 0;}
  .section--tight{padding:44px 0;}
  h1{font-size:28px;}
  .hero{padding:44px 0 54px;}
  .hero h1{font-size:28px;}
  h2{font-size:23px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .review-card{flex:0 0 100%;}
  .cta-inner{padding:44px 0;}
  .cta-inner h2{font-size:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-float{position:static;margin-top:14px;left:auto;right:auto;top:auto;bottom:auto;}
  .hero-float--top{display:none;}
}
@media screen and (max-width:520px){
  .container{padding:0 16px;}
  .grid-4,.steps,.news-grid,.guarantee-grid,.metrics-grid{grid-template-columns:1fr;}
  .metric{border-right:0;}
  .hero h1{font-size:25px;}
  h1{font-size:25px;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .review-controls{gap:8px;}
  .ctrl-btn.is-plain{padding:0 12px;font-size:12.5px;}
}

/* roulang page: article */
:root{
  --brand:#1F6F5C;
  --brand-deep:#176B5B;
  --brand-ink:#123F35;
  --accent:#E8843C;
  --bg:#FAF8F5;
  --bg-soft:#EEF3F1;
  --ink:#22302C;
  --muted:#5C6B66;
  --line:#DCE5E1;
  --white:#FFFFFF;
  --radius-card:14px;
  --radius-btn:8px;
  --radius-img:12px;
  --shadow-sm:0 2px 6px rgba(31,111,92,.06);
  --shadow-lg:0 10px 24px rgba(31,111,92,.12);
  --container:1200px;
  --sect:80px;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 14px;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.2px;}
button,input{font-family:inherit;font-size:inherit;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sect) 0;}
.section-soft{background:var(--bg-soft);}
.section-title{
  font-size:28px;
  position:relative;
  padding-left:16px;
  margin-bottom:12px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:5px;
  border-radius:3px;
  background:var(--accent);
}
.section-sub{color:var(--muted);font-size:15px;max-width:760px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 14px rgba(31,111,92,.10);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:64px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--brand-deep);
  white-space:nowrap;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;
  font-size:14px;
  letter-spacing:.5px;
  box-shadow:var(--shadow-sm);
}
.nav-main{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex:1;
  gap:24px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
}
.nav-links a{
  display:inline-block;
  padding:20px 2px;
  font-size:15px;
  color:var(--ink);
  border-bottom:2px solid transparent;
}
.nav-links a:hover{color:var(--brand);border-bottom-color:var(--accent);}
.nav-links a.is-active{color:var(--brand);border-bottom-color:var(--brand);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;
  align-items:center;
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  height:40px;
  padding:0 4px 0 12px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,111,92,.10);}
.nav-search input{
  border:0;
  background:transparent;
  height:36px;
  width:170px;
  color:var(--ink);
  outline:none;
}
.nav-search input::placeholder{color:#9AA8A3;}
.nav-search button{
  border:0;
  background:transparent;
  color:var(--brand);
  width:34px;height:34px;
  border-radius:6px;
  cursor:pointer;
}
.nav-search button:hover{background:#fff;}
.icon-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  color:var(--brand);
  background:#fff;
}
.icon-link:hover{background:var(--bg-soft);border-color:var(--brand);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,transform .12s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--bg-soft);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{padding:9px 16px;font-size:14px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
  color:var(--brand);
  cursor:pointer;
}
.nav-toggle:hover{background:var(--bg-soft);}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  background:var(--bg-soft);
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  padding:14px 0;
}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#A9B7B2;}
.crumb .now{color:var(--ink);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章区 ---------- */
.article-wrap{padding:48px 0 72px;}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;
  align-items:start;
}
.article-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:44px 46px 36px;
}
.article-head{max-width:780px;margin:0 auto;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  color:var(--brand-deep);
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:16px;
}
.article-title{
  font-size:34px;
  line-height:1.35;
  margin-bottom:18px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  font-size:13.5px;
  color:var(--muted);
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
  margin-bottom:32px;
}
.meta-row i{color:var(--brand);margin-right:6px;}
.article-body{
  max-width:780px;
  margin:0 auto;
  font-size:17px;
  line-height:2.0;
  color:var(--ink);
}
.article-body h2{
  font-size:26px;
  margin:40px 0 18px;
  padding-left:14px;
  position:relative;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:20px;margin:30px 0 14px;}
.article-body p{margin:0 0 16px;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(31,111,92,.35);}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.article-body img{margin:22px auto;border-radius:var(--radius-img);box-shadow:var(--shadow-sm);}
.article-body blockquote{
  margin:24px 0;
  padding:16px 20px;
  background:var(--bg-soft);
  border-left:4px solid var(--brand);
  border-radius:0 var(--radius-btn) var(--radius-btn) 0;
  color:var(--brand-ink);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul{margin:0 0 18px;padding-left:6px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";
  position:absolute;left:0;top:14px;
  width:8px;height:8px;border-radius:2px;
  background:var(--brand);opacity:.85;
}
.article-body ol{margin:0 0 18px;padding-left:24px;list-style:decimal;}
.article-body ol li{margin-bottom:10px;padding-left:4px;}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--bg-soft);color:var(--brand-deep);}
.article-body pre{
  background:#16241F;
  color:#E6F0EC;
  padding:18px 20px;
  border-radius:var(--radius-img);
  overflow-x:auto;
  font-size:14px;
  line-height:1.8;
}
.article-body code{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:5px;
  padding:1px 6px;
  font-size:14.5px;
}
.article-body pre code{background:transparent;border:0;padding:0;color:inherit;}
.table-scroll{overflow-x:auto;}
.empty-state{
  max-width:780px;
  margin:24px auto;
  text-align:center;
  background:var(--bg-soft);
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  padding:48px 24px;
}
.empty-state i{font-size:34px;color:var(--brand);margin-bottom:14px;display:block;}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--muted);}
.back-links{
  max-width:780px;
  margin:34px auto 0;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  font-size:14.5px;
}
.back-links a{display:inline-flex;align-items:center;gap:8px;}
.back-links .primary{color:var(--brand);font-weight:600;}
.back-links .primary:hover{color:var(--accent);}
.back-links .secondary{color:var(--muted);}
.back-links .secondary:hover{color:var(--brand);}

/* ---------- 侧栏 ---------- */
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:22px;
  margin-bottom:22px;
}
.side-card h3{
  font-size:17px;
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.side-list li{
  padding:12px 0;
  border-bottom:1px dashed var(--line);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{
  display:block;
  font-size:14.8px;
  line-height:1.7;
  color:var(--ink);
}
.side-list a:hover{color:var(--brand);}
.side-list .side-meta{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;}
.side-note{font-size:14px;color:var(--muted);}
.side-cta{
  background:linear-gradient(150deg,var(--brand-deep),var(--brand));
  border-radius:var(--radius-card);
  padding:24px;
  color:#EAF4F0;
  box-shadow:var(--shadow-lg);
}
.side-cta h3{font-size:17px;color:#fff;margin-bottom:10px;border:0;padding:0;}
.side-cta p{font-size:14px;color:#CFE4DD;margin-bottom:18px;}
.side-cta .btn{background:var(--accent);color:#fff;width:100%;}
.side-cta .btn:hover{background:#fff;color:var(--brand-deep);}

/* ---------- 相关推荐 ---------- */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:28px;
}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#CFE0DA;}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(140deg,#1F6F5C,#3E9C82);
}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-tag{
  position:absolute;
  left:12px;top:12px;
  background:rgba(255,255,255,.92);
  color:var(--brand-deep);
  font-size:12px;
  border-radius:999px;
  padding:3px 10px;
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:17px;margin-bottom:10px;}
.card-body h3 a:hover{color:var(--brand);}
.card-body p{font-size:14.5px;color:var(--muted);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.card-foot a{color:var(--brand);font-weight:600;}
.card-foot a:hover{color:var(--accent);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:56px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:26px;margin-bottom:10px;}
.cta-inner p{color:var(--muted);font-size:15px;margin:0;}
.cta-inner .btn{background:var(--accent);color:#fff;}
.cta-inner .btn:hover{background:var(--brand);color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-ink);
  color:#CFE0DA;
  padding:56px 0 24px;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:32px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:700;
  margin-bottom:14px;
}
.site-footer p{color:#A9C6BD;font-size:14px;line-height:1.9;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#BBD3CB;}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;margin-bottom:10px;color:#BBD3CB;align-items:flex-start;}
.footer-contact i{color:var(--accent);margin-top:5px;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:20px;
  font-size:13px;
  color:#8FB0A6;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sect:64px;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .nav-search input{width:130px;}
  .article-panel{padding:36px 30px 30px;}
  .article-title{font-size:30px;}
}
@media (max-width:768px){
  :root{--sect:52px;}
  .container{padding:0 16px;}
  .header-inner{min-height:60px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-main{
    position:absolute;
    left:0;right:0;top:100%;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 14px 28px rgba(31,111,92,.10);
    padding:8px 16px 20px;
    display:none;
  }
  .nav-main.is-open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:14px 2px;border-bottom:1px solid var(--line);}
  .nav-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:16px;}
  .nav-search{width:100%;}
  .nav-search input{flex:1;width:auto;}
  .nav-actions .btn{width:100%;}
  .article-title{font-size:26px;}
  .article-body{font-size:16.5px;line-height:1.95;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .article-panel{padding:26px 20px 24px;border-radius:12px;}
  .cta-inner h2{font-size:22px;}
  .cta-inner .btn{width:100%;}
}
@media (max-width:480px){
  .brand{font-size:17px;}
  .article-title{font-size:23px;}
  .meta-row{gap:12px;font-size:13px;}
  .crumb{font-size:13px;}
  .crumb .now{max-width:200px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .cta-band{padding:42px 0;}
}

/* roulang page: category1 */
:root{
  --brand:#176B5B;
  --brand-deep:#0F4C41;
  --brand-soft:#EEF3F1;
  --accent:#E8843C;
  --accent-soft:#FDF1E7;
  --bg:#FAF8F5;
  --surface:#FFFFFF;
  --text:#22302C;
  --muted:#5C6B66;
  --line:#DCE5E1;
  --radius-card:14px;
  --radius-btn:8px;
  --radius-img:12px;
  --shadow-sm:0 2px 6px rgba(31,111,92,.06);
  --shadow-lg:0 10px 24px rgba(31,111,92,.12);
  --nav-h:64px;
  --gap-section:80px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:.2px;}
h1{font-size:36px;line-height:1.3;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.45;}
h4{font-size:16px;line-height:1.5;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:var(--gap-section) 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{color:var(--muted);margin-top:12px;margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);font-weight:700;letter-spacing:1px;
  text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--accent);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#D2742E;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-accent:active{transform:translateY(0);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:700;letter-spacing:.4px;
}
.tag-accent{background:var(--accent-soft);color:#B4611F;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);backdrop-filter:saturate(160%) blur(6px);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 4px 18px rgba(31,111,92,.08);}
.header-inner{
  display:flex;align-items:center;gap:32px;
  min-height:var(--nav-h);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:18px;flex:0 0 auto;}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;letter-spacing:.5px;
}
.brand-text{line-height:1;}
.nav-main{
  display:flex;align-items:center;justify-content:space-between;
  flex:1 1 auto;gap:24px;
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links li{list-style:none;}
.nav-links a{
  display:inline-block;position:relative;padding:8px 12px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--text);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{display:flex;align-items:center;background:var(--brand-soft);border-radius:999px;padding:4px 4px 4px 16px;border:1px solid transparent;}
.nav-search:focus-within{border-color:var(--brand);background:#fff;}
.nav-search input{
  border:0;background:transparent;outline:none;height:32px;width:170px;
  font-size:14px;color:var(--text);font-family:inherit;
}
.nav-search input::placeholder{color:#8C9A95;}
.nav-search button{
  width:32px;height:32px;border-radius:50%;border:0;background:var(--brand);color:#fff;
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:13px;
  transition:background-color .2s ease;
}
.nav-search button:hover{background:var(--accent);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:9px;border:1px solid var(--line);
  background:#fff;color:var(--brand);cursor:pointer;font-size:16px;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand);background:var(--brand-soft);}

/* 栏目横幅 */
.page-banner{
  position:relative;color:#fff;padding:64px 0 56px;
  background-image:linear-gradient(120deg,rgba(15,76,65,.92),rgba(23,107,91,.72)),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
}
.page-banner .crumb{font-size:13px;color:rgba(255,255,255,.82);margin-bottom:18px;}
.page-banner .crumb a{color:rgba(255,255,255,.9);}
.page-banner .crumb a:hover{color:#fff;text-decoration:underline;}
.page-banner .crumb span{margin:0 8px;color:rgba(255,255,255,.55);}
.page-banner h1{color:#fff;max-width:820px;}
.page-banner .lead{
  margin-top:18px;max-width:720px;color:rgba(255,255,255,.9);font-size:16px;line-height:1.9;margin-bottom:0;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.banner-tags .tag{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.28);}

/* 要点清单 */
.highlight-strip{background:var(--surface);border-bottom:1px solid var(--line);}
.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:32px 0;}
.highlight-item{display:flex;gap:12px;align-items:flex-start;}
.highlight-item i{color:var(--accent);font-size:18px;margin-top:5px;}
.highlight-item strong{display:block;font-size:15px;font-weight:700;}
.highlight-item span{font-size:13px;color:var(--muted);line-height:1.7;}

/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#C9D8D3;}
.card-media{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#1F6F5C,#0F4C41);}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card-body h3{font-size:19px;}
.card-body p{color:var(--muted);font-size:15px;line-height:1.85;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;padding-top:6px;}
.card-link{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.card-link:hover{color:var(--accent);gap:10px;}

/* 内容块 */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.split-media{border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);aspect-ratio:4/3;background:linear-gradient(135deg,#1F6F5C,#0F4C41);}
.split-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.prose-block h2{margin-bottom:18px;}
.prose-block p{color:#3B4A45;line-height:1.95;}
.dot-list{margin-top:22px;display:grid;gap:14px;}
.dot-list li{position:relative;padding-left:26px;color:#3B4A45;font-size:15.5px;line-height:1.85;}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--accent);
}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px 34px;box-shadow:var(--shadow-sm);
}
.panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.panel-grid .panel{padding:28px 26px;}
.panel h3{margin-bottom:12px;}
.panel p{color:var(--muted);font-size:15px;margin-bottom:0;}
.panel .num{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;
  background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:15px;margin-bottom:16px;
}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-sm);position:relative;transition:box-shadow .25s ease,transform .25s ease;
}
.step:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  display:block;font-size:13px;font-weight:800;color:var(--accent);letter-spacing:1px;margin-bottom:12px;
}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.8;}

/* CTA 条 */
.cta-band{
  background:var(--brand-soft);border:1px solid #DCE9E5;border-radius:18px;
  padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:26px;margin-bottom:10px;}
.cta-band p{color:var(--muted);margin:0;max-width:640px;}
.cta-band .btn{flex:0 0 auto;}

/* FAQ */
.faq-list{max-width:880px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:#BCD3CD;box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;font-size:16.5px;font-weight:700;color:var(--text);
}
.faq-q:hover{color:var(--brand);}
.faq-q .faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--brand-soft);
  color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:14px;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.faq-item.is-open .faq-icon{background:var(--accent);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{padding:0 22px 22px;margin:0;color:var(--muted);font-size:15px;line-height:1.9;}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.86);padding:64px 0 26px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--accent);}
.site-footer p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.72);margin:0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.5px;}
.footer-links{display:grid;gap:12px;}
.footer-links a{color:rgba(255,255,255,.78);font-size:14.5px;border-bottom:1px solid transparent;padding-bottom:2px;}
.footer-links a:hover{color:#fff;border-bottom-color:var(--accent);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.78);line-height:1.75;}
.footer-contact i{color:var(--accent);margin-top:6px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* 响应式 */
@media (max-width:1024px){
  :root{--gap-section:64px;}
  h1{font-size:31px;}
  h2{font-size:25px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .highlight-grid{grid-template-columns:repeat(2,1fr);}
  .panel-grid{grid-template-columns:1fr;gap:20px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .split-media{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .nav-search input{width:130px;}
}
@media (max-width:900px){
  .header-inner{gap:16px;}
  .nav-toggle{display:inline-flex;}
  .nav-main{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);
    padding:10px 20px 22px;display:none;
  }
  .nav-main.is-open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{display:block;padding:14px 6px;border-radius:8px;font-size:16px;}
  .nav-links a::after{left:6px;right:6px;bottom:8px;}
  .nav-actions{flex-direction:column;align-items:stretch;gap:14px;margin-top:16px;}
  .nav-search{width:100%;padding-left:14px;}
  .nav-search input{width:100%;}
  .nav-actions .btn{width:100%;}
}
@media (max-width:768px){
  :root{--gap-section:52px;}
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  h1{font-size:27px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  body{font-size:15.5px;}
  .card-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .page-banner{padding:48px 0 44px;}
  .panel{padding:24px 20px;}
  .cta-band{padding:32px 24px;flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .highlight-grid{grid-template-columns:1fr;gap:18px;}
  .banner-tags{gap:8px;}
  .faq-q{font-size:15.5px;padding:18px 16px;}
  .faq-a p{padding:0 16px 20px;}
  .card-body{padding:18px 18px 20px;}
}

/* roulang page: category3 */
:root{
  --brand:#1F6F5C;
  --brand-dark:#14513F;
  --brand-soft:#EEF3F1;
  --brand-tint:#F4F8F6;
  --accent:#E8843C;
  --accent-dark:#C96A26;
  --bg:#FAF8F5;
  --surface:#FFFFFF;
  --text:#22302C;
  --muted:#5C6B66;
  --line:#DCE5E1;
  --radius-lg:16px;
  --radius:14px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow-sm:0 2px 6px rgba(31,111,92,.06);
  --shadow-md:0 10px 24px rgba(31,111,92,.12);
  --section-y:80px;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:.2px;}
h1{font-size:38px;line-height:1.3;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
input{font-family:inherit;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,248,245,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{
  box-shadow:0 6px 18px rgba(31,111,92,.08);
  background:rgba(255,255,255,.98);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:56px;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:18px;
  color:var(--text);
  white-space:nowrap;
}
.brand:hover{color:var(--brand);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--brand);
  color:#fff;
  font-size:13px;
  letter-spacing:.5px;
  font-weight:700;
  box-shadow:var(--shadow-sm);
}
.brand-text{letter-spacing:.3px;}

.nav-main{
  display:flex;
  align-items:center;
  gap:28px;
  flex:1;
  justify-content:flex-end;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--text);
  font-weight:500;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s 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:700;}
.nav-links a.is-active::after{transform:scaleX(1);}

.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-search{
  display:flex;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:2px 4px 2px 14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(31,111,92,.12);
}
.nav-search input[type="search"]{
  border:0;
  background:transparent;
  height:34px;
  width:158px;
  font-size:14px;
  color:var(--text);
  outline:none;
}
.nav-search input[type="search"]::placeholder{color:#9AA8A3;}
.nav-search button{
  border:0;
  background:var(--brand-soft);
  color:var(--brand);
  width:32px;
  height:32px;
  border-radius:50%;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease;
}
.nav-search button:hover{background:var(--accent);color:#fff;}

.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--brand);
  cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  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;
  box-shadow:var(--shadow-sm);
}
.btn-primary:hover{
  background:var(--accent);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 2px 6px rgba(232,132,60,.24);
}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,132,60,.28);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-dark);}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ---------- 标签 / 徽章 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  letter-spacing:1px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:16px;
  height:3px;
  border-radius:2px;
  background:var(--accent);
  display:inline-block;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.3px;
}
.badge-accent{background:#FDF0E5;color:var(--accent-dark);}

/* ---------- 栏目头 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--brand-dark);
  color:#fff;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(20,81,63,.92) 8%,rgba(20,81,63,.62) 55%,rgba(31,111,92,.35) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:56px;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.78);
  margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.88);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{color:rgba(255,255,255,.5);}
.page-hero h1{
  color:#fff;
  font-size:38px;
  max-width:820px;
}
.page-hero .hero-desc{
  margin-top:16px;
  max-width:720px;
  font-size:16.5px;
  line-height:1.9;
  color:rgba(255,255,255,.86);
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.hero-tags span{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  font-size:13px;
  color:#fff;
}

/* ---------- 板块通用 ---------- */
.section{padding:var(--section-y) 0;}
.section--soft{background:var(--brand-soft);}
.section--tint{background:var(--brand-tint);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:14px;}
.section-sub{font-size:16px;color:var(--muted);margin:0;}

/* ---------- 要点列表 ---------- */
.point-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.point-item{
  display:flex;
  gap:16px;
  padding:22px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.point-item:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);
  border-color:#C8D9D2;
}
.point-icon{
  flex:0 0 42px;
  width:42px;
  height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:17px;
  border:1px solid #D8E6E0;
}
.point-item h3{font-size:16.5px;margin-bottom:6px;}
.point-item p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}

/* ---------- 两列大卡 ---------- */
.card-grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px;
}
.feature-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:#C8D9D2;
}
.feature-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,var(--brand) 0%,#2C8A73 55%,#3FA089 100%);
}
.feature-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .3s ease;
}
.feature-card:hover .feature-thumb img{transform:scale(1.03);}
.feature-body{
  padding:24px 26px 26px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.feature-body h3{font-size:19px;}
.feature-body p{font-size:15px;color:var(--muted);line-height:1.85;margin:0;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand);
  margin-top:auto;
  padding-top:4px;
}
.link-arrow i{transition:transform .18s ease;}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 数据指标 ---------- */
.metric-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  margin-top:36px;
}
.metric{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 24px;
  box-shadow:var(--shadow-sm);
}
.metric strong{
  display:block;
  font-size:26px;
  line-height:1.2;
  color:var(--brand);
  margin-bottom:6px;
}
.metric span{font-size:14px;color:var(--muted);}

/* ---------- 说明性内容块 ---------- */
.prose-wrap{max-width:880px;}
.prose-block{
  padding:30px 32px;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:4px solid var(--brand);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  margin-bottom:22px;
}
.prose-block h2{
  font-size:22px;
  margin-bottom:14px;
}
.prose-block h3{font-size:17.5px;margin:20px 0 10px;}
.prose-block p{font-size:16px;color:#3D4B46;line-height:1.95;}
.prose-block p + p{margin-top:14px;}
.prose-list{margin:14px 0 0;}
.prose-list li{
  position:relative;
  padding-left:20px;
  font-size:15.5px;
  color:#3D4B46;
  line-height:1.9;
  margin-bottom:8px;
}
.prose-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--accent);
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(120deg,#E7F1ED 0%,#EEF3F1 60%,#F7EFE7 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:64px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:26px;margin-bottom:10px;}
.cta-inner p{color:var(--muted);font-size:15.5px;margin:0;max-width:620px;}

/* ---------- FAQ 折叠 ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#C8D9D2;}
.faq-item[open]{
  border-color:var(--brand);
  box-shadow:var(--shadow-md);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  position:relative;
  padding:19px 56px 19px 22px;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  width:26px;
  height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:17px;
  line-height:1;
  transition:background-color .18s ease,color .18s ease;
}
.faq-item[open] summary{color:var(--brand-dark);}
.faq-item[open] summary::after{
  content:"−";
  background:var(--accent);
  color:#fff;
}
.faq-body{
  padding:0 22px 20px;
  font-size:15.5px;
  line-height:1.88;
  color:var(--muted);
}
.faq-body p{margin:0 0 10px;}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-dark);
  color:rgba(255,255,255,.82);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.16);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.16);}
.site-footer p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.72);margin:0;}
.site-footer h4{
  color:#fff;
  font-size:15.5px;
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  color:rgba(255,255,255,.78);
  font-size:14.5px;
}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:rgba(255,255,255,.78);
  margin-bottom:12px;
}
.footer-contact i{color:var(--accent);margin-top:5px;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13.5px;
  color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--section-y:64px;}
  h1,.page-hero h1{font-size:32px;}
  h2{font-size:24px;}
  .container{padding:0 22px;}
  .nav-links{gap:18px;}
  .nav-search input[type="search"]{width:120px;}
  .point-list{grid-template-columns:1fr;}
  .card-grid-2{grid-template-columns:1fr;}
  .metric-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}

@media (max-width:860px){
  .nav-toggle{display:inline-flex;}
  .nav-main{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:16px;
    padding:18px 22px 24px;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    display:none;
  }
  .nav-main.is-open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-links a{padding:11px 4px;border-bottom:1px solid var(--line);}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{background:var(--brand-soft);border-radius:8px;padding-left:12px;}
  .nav-actions{flex-direction:column;align-items:stretch;gap:12px;}
  .nav-search{width:100%;}
  .nav-search input[type="search"]{width:100%;}
  .nav-actions .btn{width:100%;}
}

@media (max-width:768px){
  :root{--section-y:52px;}
  body{font-size:15.5px;}
  h1,.page-hero h1{font-size:27px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .container{padding:0 16px;}
  .header-inner{height:60px;gap:12px;}
  .site-header.is-scrolled .header-inner{height:54px;}
  .brand{font-size:16.5px;}
  .page-hero .container{padding-top:44px;padding-bottom:40px;}
  .page-hero .hero-desc{font-size:15.5px;}
  .section-head{margin-bottom:28px;}
  .point-item{padding:18px;}
  .prose-block{padding:22px 20px;}
  .prose-block h2{font-size:20px;}
  .cta-band{padding:48px 0;}
  .cta-inner h2{font-size:22px;}
  .faq-item summary{font-size:15.5px;padding:16px 50px 16px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:520px){
  h1,.page-hero h1{font-size:24px;}
  h2{font-size:20px;}
  .metric-row{grid-template-columns:1fr;}
  .hero-tags span{font-size:12.5px;padding:5px 12px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .feature-body{padding:20px;}
}

/* roulang page: category2 */
:root{
  --brand:#1F6F5C;
  --brand-deep:#176150;
  --brand-ink:#0F3A2D;
  --brand-soft:#EEF3F1;
  --brand-tint:#E3EDE9;
  --accent:#E8843C;
  --accent-soft:#FDF0E6;
  --bg:#FAF8F5;
  --surface:#FFFFFF;
  --ink:#22302C;
  --ink-2:#5C6B66;
  --line:#DCE5E1;
  --radius:14px;
  --radius-sm:8px;
  --radius-lg:18px;
  --shadow:0 2px 6px rgba(31,111,92,.06);
  --shadow-hover:0 10px 24px rgba(31,111,92,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease;}
a:hover{color:var(--accent);}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--ink);letter-spacing:.2px;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:78px 0;}
.section-soft{background:var(--brand-soft);border-top:1px solid #E1EBE7;border-bottom:1px solid #E1EBE7;}
.section-tight{padding:56px 0;}

/* ---------- 通用标题 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border:1px solid #D6E5DF;
  padding:5px 13px;border-radius:999px;margin-bottom:16px;letter-spacing:.4px;
}
.sec-head{margin-bottom:40px;}
.sec-head h2{font-size:28px;line-height:1.4;}
.sec-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px;max-width:760px;}
.sec-head.center{text-align:center;}
.sec-head.center p{margin-left:auto;margin-right:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 12px rgba(232,132,60,.24);}
.btn-accent:hover{background:var(--brand);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:66px;}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(31,111,92,.09);}
.site-header.is-scrolled .header-inner{height:58px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto;}
.brand:hover{color:var(--ink);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),#2E8C72);
  color:#fff;font-weight:800;font-size:14px;letter-spacing:.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;letter-spacing:.3px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-2);}
.nav-main{display:flex;align-items:center;gap:22px;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:block;padding:8px 13px;
  font-size:15px;color:var(--ink);border-radius:8px;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft);}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;
  height:2px;background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;height:40px;padding:0 6px 0 14px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,111,92,.10);}
.nav-search input{width:168px;height:100%;border:0;background:transparent;font-size:14px;outline:none;}
.nav-search input::placeholder{color:#9AA9A4;}
.nav-search button{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:12px;transition:background-color .2s ease;
}
.nav-search button:hover{background:var(--accent);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;background:#fff;
  border:1px solid var(--line);color:var(--brand);font-size:16px;
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand);}

/* ---------- 栏目标头 ---------- */
.page-hero{
  background:linear-gradient(180deg,#F2F6F4 0%,#FAF8F5 100%);
  border-bottom:1px solid var(--line);
  padding:44px 0 60px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb i{font-size:9px;color:#B4C2BD;}
.page-hero-inner{display:grid;grid-template-columns:1.35fr .95fr;gap:44px;align-items:center;}
.page-hero-text h1{font-size:clamp(26px,3.3vw,38px);line-height:1.32;margin-bottom:16px;}
.page-hero-text p{color:var(--ink-2);font-size:16px;max-width:660px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;padding:5px 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.tag-accent{background:var(--accent-soft);border-color:#F5D6BC;color:#96501A;}
.page-hero-media{
  position:relative;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-hover);border:1px solid #E2EBE7;
}
.page-hero-media img{width:100%;height:214px;object-fit:cover;transition:transform .55s ease;}
.page-hero-media:hover img{transform:scale(1.03);}

/* ---------- 两栏：目录 + 长列表 ---------- */
.cat-layout{display:grid;grid-template-columns:270px 1fr;gap:44px;align-items:start;}
.cat-side{position:sticky;top:96px;}
.side-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.side-title{
  font-size:15px;color:var(--brand);padding-bottom:12px;
  border-bottom:1px solid var(--line);margin-bottom:12px;
}
.side-nav li{margin-bottom:4px;}
.side-nav a{
  display:block;padding:9px 12px;font-size:14px;color:var(--ink-2);
  border-radius:var(--radius-sm);border-left:2px solid transparent;
  transition:all .2s ease;
}
.side-nav a:hover{background:var(--brand-soft);color:var(--brand);}
.side-nav a.is-active{
  color:var(--brand);font-weight:600;background:var(--brand-soft);
  border-left-color:var(--brand);
}
.side-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-2);line-height:1.8;
}
.side-box .btn{margin-top:18px;}

.mod-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;margin-bottom:22px;box-shadow:var(--shadow);
  scroll-margin-top:104px;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.mod-item:hover{box-shadow:var(--shadow-hover);border-color:#CFDED9;}
.mod-head{display:flex;gap:16px;align-items:flex-start;margin-bottom:18px;}
.mod-no{
  flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:12px;font-weight:700;font-size:16px;
  background:var(--brand-soft);color:var(--brand);border:1px solid #D6E5DF;
}
.mod-head h3{font-size:20px;margin-bottom:4px;}
.mod-sub{font-size:13.5px;color:var(--ink-2);}
.mod-body{display:grid;grid-template-columns:1fr 220px;gap:26px;align-items:start;}
.mod-body p{font-size:15.5px;color:var(--ink-2);}
.mod-thumb{border-radius:12px;overflow:hidden;border:1px solid var(--line);}
.mod-thumb img{width:100%;height:152px;object-fit:cover;transition:transform .4s ease;}
.mod-item:hover .mod-thumb img{transform:scale(1.04);}
.pt-list{display:grid;gap:10px;margin-top:14px;}
.pt-list li{
  position:relative;padding-left:26px;font-size:15px;
  color:var(--ink-2);line-height:1.8;
}
.pt-list li::before{
  content:"";position:absolute;left:6px;top:12px;
  width:7px;height:7px;border-radius:2px;background:var(--accent);
}
.pt-list li strong{color:var(--ink);font-weight:600;}
.tip{
  margin-top:16px;padding:12px 16px;font-size:14px;color:#2C4A41;
  background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 10px 10px 0;line-height:1.8;
}
.tip i{color:var(--brand);margin-right:6px;}

/* ---------- 卡片网格 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CFDED9;}
.info-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;margin-bottom:14px;
  background:var(--brand-soft);color:var(--brand);font-size:17px;
  border:1px solid #D6E5DF;
}
.info-card h3{font-size:17px;margin-bottom:8px;}
.info-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85;}

.rl-card-grid{margin:-10px;}
.rl-card-grid > .cell{padding:10px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);height:100%;
  transition:box-shadow .25s ease,transform .25s ease;
}
.stat:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.stat b{display:block;font-size:32px;line-height:1.15;font-weight:800;color:var(--brand);}
.stat b em{font-style:normal;font-size:16px;color:var(--accent);margin-left:4px;font-weight:700;}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ---------- 说明内容块 ---------- */
.prose-block h2{font-size:26px;margin-bottom:16px;}
.prose-block h3{font-size:18px;margin:24px 0 10px;color:var(--brand-deep);}
.prose-block p{font-size:16px;color:var(--ink-2);}
.prose-block p + p{margin-top:14px;}
.rl-split{margin:0 -16px;}
.rl-split > .cell{padding:0 16px;}
.split-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);height:100%;
}
.split-panel h3{font-size:19px;margin-bottom:12px;}
.split-panel p{font-size:15px;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:var(--brand);box-shadow:var(--shadow-hover);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 22px;text-align:left;font-size:16px;font-weight:600;
  color:var(--ink);transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q i{color:var(--brand);font-size:14px;transition:transform .2s ease,color .2s ease;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding:0 22px 20px;margin:0;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-soft);
  border-top:1px solid #DDE8E4;border-bottom:1px solid #DDE8E4;
  padding:64px 0;text-align:center;
}
.cta-band h2{font-size:26px;margin-bottom:12px;}
.cta-band p{color:var(--ink-2);max-width:640px;margin:0 auto 26px;font-size:15.5px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-ink);color:#CFE0DA;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:42px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.3px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;}
.footer-brand .brand-mark{background:#fff;color:var(--brand-ink);}
.site-footer p{font-size:14px;color:#A9C2BA;line-height:1.85;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#CFE0DA;font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#CFE0DA;margin-bottom:10px;line-height:1.7;}
.footer-contact i{color:var(--accent);margin-top:5px;flex:0 0 auto;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 24px;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:#8FA9A1;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-search input{width:130px;}
  .cat-layout{grid-template-columns:1fr;gap:28px;}
  .cat-side{position:static;}
  .side-nav{display:flex;flex-wrap:wrap;gap:8px;}
  .side-nav li{margin-bottom:0;}
  .side-nav a{border-left:0;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13px;}
  .side-nav a.is-active{border-color:var(--brand);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .page-hero-inner{grid-template-columns:1fr;gap:28px;}
  .page-hero-media img{height:200px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .header-inner{height:60px;}
  .site-header.is-scrolled .header-inner{height:60px;}
  .brand-text em{display:none;}
  .nav-main{gap:8px;}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 14px 26px rgba(31,111,92,.12);
    padding:8px 16px 16px;
    opacity:0;pointer-events:none;transform:translateY(-8px);
    transition:opacity .18s ease,transform .18s ease;
  }
  .nav-links.is-open{opacity:1;pointer-events:auto;transform:translateY(0);}
  .nav-links a{padding:14px 12px;border-bottom:1px solid var(--line);border-radius:0;font-size:15px;}
  .nav-links li:last-child a{border-bottom:0;}
  .nav-links a.is-active{background:var(--brand-soft);border-radius:8px;}
  .nav-links a.is-active::after{display:none;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .section-tight{padding:42px 0;}
  .sec-head{margin-bottom:28px;}
  .sec-head h2{font-size:23px;}
  .page-hero{padding:32px 0 44px;}
  .page-hero-media img{height:180px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .mod-body{grid-template-columns:1fr;}
  .mod-thumb img{height:180px;}
  .mod-item{padding:20px;}
  .rl-split > .cell{padding:0 10px;}
  .rl-split{margin:0 -10px;}
  .split-panel{padding:22px;}
  .cta-band{padding:48px 0;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
  .grid-4{grid-template-columns:1fr;}
  .stat b{font-size:27px;}
  .mod-head{flex-direction:column;gap:10px;}
  .mod-no{width:40px;height:40px;font-size:15px;}
  .page-hero-text h1{font-size:23px;}
  .btn{width:100%;}
  .btn.btn-inline{width:auto;}
  .side-nav a{font-size:12.5px;}
}