/* roulang page: index */
:root{
  --c-primary:#0F5F55;
  --c-primary-deep:#0A423B;
  --c-primary-soft:#E3F0EB;
  --c-accent:#D06A3C;
  --c-accent-hover:#B8582D;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-text:#12211E;
  --c-text-2:#55635F;
  --c-text-3:#8A9691;
  --c-line:#E3E0D8;
  --c-success:#2F7D5E;
  --c-warn:#C99025;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-panel:20px;
  --sh-1:0 1px 2px rgba(18,33,30,.06);
  --sh-2:0 10px 28px rgba(15,95,85,.12);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",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:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);line-height:1.35}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--c-primary-soft);border-bottom:1px solid rgba(15,95,85,.08)}
.topbar-inner{display:flex;align-items:center;gap:12px;min-height:40px;font-size:13px;color:var(--c-primary);padding:6px 20px}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex:0 0 auto}
.topbar p{margin:0;flex:1 1 auto;line-height:1.6}
.topbar a{font-weight:600;white-space:nowrap;color:var(--c-primary)}
.topbar a:hover{text-decoration:underline}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,33,30,.08)}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  min-height:76px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--c-text);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:2px;background:var(--c-primary);
  transition:width .22s ease;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{width:100%}
.brand{display:inline-flex;align-items:center;gap:9px;justify-self:center}
.brand svg{width:28px;height:28px;flex:0 0 auto}
.brand-name{font-size:20px;font-weight:700;color:var(--c-primary-deep);letter-spacing:-.2px;white-space:nowrap}
.brand:hover .brand-name{color:var(--c-primary)}
.nav-cta{min-height:44px;padding:10px 20px;font-size:14.5px}
.hamburger{
  display:none;justify-self:end;
  width:44px;height:44px;
  border:1px solid var(--c-line);border-radius:10px;
  background:var(--c-surface);
  padding:0;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-primary-deep);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  display:none;
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
  padding:8px 20px 20px;
}
.mobile-panel.is-open{display:block}
.mobile-link{
  display:block;
  font-size:17px;
  line-height:52px;
  color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.mobile-link.is-active{color:var(--c-primary);font-weight:600}
.mobile-cta{width:100%;margin-top:16px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 28px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  font-size:16px;font-weight:600;
  cursor:pointer;text-align:center;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(208,106,60,.24)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary);color:#fff}
.btn-ghost:active{transform:translateY(1px)}
.btn-invert{background:#fff;color:var(--c-accent);border-color:#fff}
.btn-invert:hover{background:#fff;color:var(--c-accent-hover);transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.72);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.text-link{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:600;color:var(--c-primary)}
.text-link span{transition:transform .2s ease}
.text-link:hover{color:var(--c-primary-deep)}
.text-link:hover span{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:12.5px;font-weight:600;
  line-height:1.5;
  white-space:nowrap;
}
.badge-accent{background:rgba(208,106,60,.12);color:var(--c-accent-hover)}

/* ---------- Hero ---------- */
.hero{padding:40px 0 0}
.hero-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-panel);
  min-height:520px;
  display:flex;align-items:center;
  padding:64px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center right;
}
.hero-panel::before{content:"";position:absolute;inset:0;background:rgba(10,66,59,.72)}
.hero-content{position:relative;z-index:2;max-width:660px;color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  font-size:12.5px;font-weight:600;letter-spacing:.4px;
  margin-bottom:20px;
}
.hero-content h1{
  font-size:44px;line-height:1.25;letter-spacing:-.5px;
  color:#fff;font-weight:700;margin-bottom:20px;
}
.hero-sub{font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.86);margin-bottom:28px;max-width:38em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:24px}
.hero-trust li{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.86)}
.hero-trust i{color:#fff;font-size:15px}
.hero-wave{position:absolute;right:-30px;bottom:-30px;width:340px;height:auto;opacity:.10;z-index:1;pointer-events:none}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section-tight{padding:80px 0}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{font-size:32px;line-height:1.35;letter-spacing:-.3px}
.section-sub{margin-top:10px;font-size:14.5px;color:var(--c-text-2);line-height:1.75;max-width:42em}
.section-head .text-link{margin-bottom:6px}

/* ---------- 卡片 ---------- */
.card{
  display:flex;flex-direction:column;
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.card-media{aspect-ratio:16 / 10;overflow:hidden;background:var(--c-primary-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-img) var(--r-img) 0 0;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-body h3{font-size:18px;line-height:1.5;font-weight:600}
.card-body h3 a{color:var(--c-text)}
.card-body h3 a:hover{color:var(--c-primary)}
.card-text{font-size:14px;line-height:1.75;color:var(--c-text-2);margin:0}
.card-foot{
  margin-top:auto;padding-top:14px;
  border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--c-text-3);
}
.card-foot .text-link{font-size:13px}

/* ---------- 双栏图文 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split-text h2{font-size:32px;line-height:1.35;margin-bottom:20px;letter-spacing:-.3px}
.split-text p{font-size:15.5px;line-height:1.85;color:var(--c-text-2)}
.point-list{margin:24px 0 28px;display:flex;flex-direction:column;gap:12px}
.point-list li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:var(--c-text)}
.point-list i{color:var(--c-primary);font-size:14px;margin-top:6px;flex:0 0 auto}
.split-media{position:relative;padding-bottom:56px;padding-right:32px}
.split-img-main{width:100%;aspect-ratio:4 / 3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-2)}
.split-img-sub{
  position:absolute;right:0;bottom:0;
  width:56%;aspect-ratio:4 / 3;object-fit:cover;
  border-radius:var(--r-img);
  border:6px solid var(--c-surface);
  box-shadow:var(--sh-2);
}

/* ---------- 指标条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-panel);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.stat{padding:36px 28px;text-align:center;border-left:1px solid var(--c-line)}
.stat:first-child{border-left:none}
.stat-num{font-size:32px;font-weight:700;color:var(--c-primary);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-label{margin-top:8px;font-size:14px;color:var(--c-text-2);line-height:1.6}

/* ---------- 评价滑块 ---------- */
.slider{position:relative}
.slider-track{
  display:flex;gap:24px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:8px;
  scrollbar-width:none;
}
.slider-track::-webkit-scrollbar{display:none}
.slide{flex:0 0 calc((100% - 48px) / 3);scroll-snap-align:start}
.review-card{
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:24px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;border-radius:50%;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;flex:0 0 auto;
}
.review-name{font-size:15px;font-weight:600;line-height:1.5}
.review-role{font-size:12.5px;color:var(--c-text-3);line-height:1.5}
.review-text{font-size:14.5px;line-height:1.8;color:var(--c-text-2);margin:0;flex:1 1 auto}
.stars{display:flex;gap:3px;color:var(--c-primary)}
.stars i{font-size:13px}
.slider-controls{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}
.slider-btn{
  width:44px;height:44px;border-radius:50%;
  border:1.5px solid var(--c-primary);
  background:transparent;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background-color .2s ease,color .2s ease;
}
.slider-btn:hover{background:var(--c-primary);color:#fff}

/* ---------- 资讯列表 ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:20px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.news-card .badge{align-self:flex-start;margin-bottom:12px}
.news-title{font-size:17px;line-height:1.55;font-weight:600;margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a{color:var(--c-text)}
.news-title a:hover{color:var(--c-primary)}
.news-summary{
  font-size:14px;line-height:1.75;color:var(--c-text-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;margin-top:16px;
  border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--c-text-3);
}
.news-foot .meta{display:inline-flex;align-items:center;gap:6px}
.empty-state{
  min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--c-surface);
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  padding:40px 24px;
  text-align:center;
  color:var(--c-text-2);
}
.empty-state i{font-size:34px;color:var(--c-primary);opacity:.6}
.empty-state p{font-size:15px;margin:0}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start}
.faq-intro h2{font-size:32px;line-height:1.35;margin-bottom:14px;letter-spacing:-.3px}
.faq-intro p{font-size:14.5px;color:var(--c-text-2);line-height:1.8}
.faq-intro .text-link{margin-top:8px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;
  padding:20px 24px;
  background:transparent;border:none;
  text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--c-text);
  line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-item.is-open .faq-q{color:var(--c-primary)}
.faq-q .faq-icon{flex:0 0 auto;font-size:14px;color:var(--c-primary);transition:transform .25s ease}
.faq-item.is-open .faq-q .faq-icon{transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{padding:0 24px 22px;font-size:15.5px;line-height:1.8;color:var(--c-text-2)}

/* ---------- 保障条 ---------- */
.guarantee{background:var(--c-primary-soft);padding:64px 0}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.guarantee-item{display:flex;flex-direction:column;gap:10px}
.guarantee-item i{font-size:32px;color:var(--c-primary)}
.guarantee-item h3{font-size:16px;font-weight:600}
.guarantee-item p{font-size:13.5px;line-height:1.7;color:var(--c-text-2);margin:0}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-primary-deep);position:relative;overflow:hidden}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding:72px 0;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:32px;line-height:1.35;color:#fff;letter-spacing:-.3px}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.78);line-height:1.8;max-width:34em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-wave{position:absolute;left:-40px;bottom:-40px;width:320px;opacity:.10;z-index:1;pointer-events:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#fff;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px}
.footer-brand{display:inline-flex;align-items:center;gap:9px;margin-bottom:16px}
.footer-brand svg{width:26px;height:26px}
.footer-brand span{font-size:19px;font-weight:700;color:#fff;letter-spacing:-.2px}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;margin-bottom:10px;display:flex;gap:8px}
.footer-contact i{color:rgba(255,255,255,.55);margin-top:6px;font-size:13px;flex:0 0 auto}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.16);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff;text-decoration:underline}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-panel{padding:48px;min-height:500px}
  .hero-content h1{font-size:38px}
  .split{gap:48px}
  .footer-grid{gap:36px}
}
@media (max-width:991px){
  .nav-left,.nav-right{display:none}
  .hamburger{display:flex}
  .nav-wrap{grid-template-columns:1fr auto 1fr;min-height:68px}
  .brand{grid-column:1;justify-self:start}
  .hamburger{grid-column:3}
  .hero-panel{min-height:460px;padding:40px}
  .hero-content h1{font-size:32px}
  .section{padding:80px 0}
  .section-head h2,.split-text h2,.faq-intro h2,.cta-inner h2{font-size:26px}
  .split{grid-template-columns:1fr;gap:36px}
  .split-media{padding-bottom:0;padding-right:0}
  .split-img-sub{position:static;width:100%;margin-top:16px;border:none;aspect-ratio:16/10}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:none}
  .stat{border-top:1px solid var(--c-line)}
  .stat:nth-child(1),.stat:nth-child(2){border-top:none}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .slide{flex-basis:calc((100% - 24px) / 2)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-inner{padding:56px 0}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .hero{padding:24px 0 0}
  .hero-panel{min-height:420px;padding:32px 24px}
  .hero-content{max-width:100%}
  .hero-content h1{font-size:27px;letter-spacing:-.2px}
  .hero-sub{font-size:15px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .hero-trust{gap:14px}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .section-head{margin-bottom:28px}
  .section-head h2,.split-text h2,.faq-intro h2,.cta-inner h2{font-size:23px}
  .slide{flex-basis:100%}
  .guarantee{padding:48px 0}
  .guarantee-grid{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-top:56px}
  .footer-bottom{margin-top:40px;flex-direction:column;align-items:flex-start}
  .cta-actions .btn{width:100%}
  .topbar-inner{font-size:12.5px;flex-wrap:wrap;gap:8px}
  .stats{border-radius:var(--r-card)}
  .stat{padding:26px 18px}
  .stat-num{font-size:26px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .hero-content h1{font-size:24px}
  .btn{min-height:46px;padding:12px 22px;font-size:15px}
  .card-body,.news-card,.review-card{padding:18px}
}

/* roulang page: category1 */
:root{
    --c-primary:#0F5F55;
    --c-primary-deep:#0A423B;
    --c-primary-soft:#E3F0EB;
    --c-accent:#D06A3C;
    --c-accent-hover:#B8582D;
    --c-bg:#F7F5F0;
    --c-surface:#FFFFFF;
    --c-text:#12211E;
    --c-text-2:#55635F;
    --c-text-3:#8A9691;
    --c-line:#E3E0D8;
    --c-success:#2F7D5E;
    --c-warn:#C99025;
    --r-card:14px;
    --r-btn:10px;
    --r-img:12px;
    --r-panel:20px;
    --sh-1:0 1px 2px rgba(18,33,30,.06);
    --sh-2:0 10px 28px rgba(15,95,85,.12);
    --sh-nav:0 6px 20px rgba(18,33,30,.08);
    --font-base:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  }

  /* ============ 基础重置 ============ */
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-base);
    font-size:16px;
    line-height:1.85;
    color:var(--c-text);
    background:var(--c-bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;}
  ul,ol{padding:0;list-style:none;}
  a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
  a:hover{color:var(--c-primary-deep);}
  img{max-width:100%;display:block;border:0;}
  button{font-family:inherit;cursor:pointer;}
  :focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
  }

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:120;
    background:var(--c-surface);
    border-bottom:1px solid var(--c-line);
    transition:box-shadow .25s ease;
  }
  .site-header.is-stuck{box-shadow:var(--sh-nav);}
  .header-inner{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:16px;
    min-height:76px;
  }
  .nav-left,.nav-right{display:flex;align-items:center;gap:26px;}
  .nav-left{justify-content:flex-start;}
  .nav-right{justify-content:flex-end;}
  .nav-link{
    position:relative;
    display:inline-block;
    padding:6px 0;
    font-size:15px;
    font-weight:500;
    color:var(--c-text);
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:0;
    height:2px;
    background:var(--c-primary);
    transition:width .25s ease;
  }
  .nav-link:hover,.nav-link.is-active{color:var(--c-primary);}
  .nav-link:hover::after,.nav-link.is-active::after{width:100%;}
  .site-brand{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    font-size:20px;
    font-weight:700;
    letter-spacing:.2px;
    color:var(--c-primary-deep);
    white-space:nowrap;
  }
  .site-brand svg{width:30px;height:30px;flex:none;}
  .site-brand span{color:var(--c-primary-deep);}
  .site-brand:hover span{color:var(--c-primary);}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:13px 28px;
    font-size:16px;
    font-weight:600;
    line-height:1.2;
    border-radius:var(--r-btn);
    border:1.5px solid transparent;
    transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
  }
  .btn:active{transform:translateY(0);}
  .btn-primary{
    background:var(--c-accent);
    color:#fff;
    border-color:var(--c-accent);
    box-shadow:0 6px 16px rgba(208,106,60,.22);
  }
  .btn-primary:hover{
    background:var(--c-accent-hover);
    border-color:var(--c-accent-hover);
    color:#fff;
    transform:translateY(-2px);
    box-shadow:0 10px 22px rgba(184,88,45,.26);
  }
  .btn-outline{
    background:transparent;
    color:var(--c-primary);
    border-color:var(--c-primary);
  }
  .btn-outline:hover{
    background:var(--c-primary);
    color:#fff;
    transform:translateY(-2px);
  }
  .btn-ghost{
    background:transparent;
    color:#fff;
    border-color:rgba(255,255,255,.72);
  }
  .btn-ghost:hover{
    background:#fff;
    color:var(--c-primary-deep);
    border-color:#fff;
    transform:translateY(-2px);
  }
  .btn-sm{min-height:42px;padding:10px 20px;font-size:15px;}
  .nav-cta{margin-left:6px;}
  .text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--c-primary);
  }
  .text-link i{transition:transform .2s ease;font-size:13px;}
  .text-link:hover i{transform:translateX(3px);}

  .nav-toggle{
    display:none;
    width:46px;
    height:46px;
    padding:0;
    border:1px solid var(--c-line);
    border-radius:10px;
    background:var(--c-surface);
    justify-self:end;
    position:relative;
  }
  .nav-toggle span{
    position:absolute;
    left:13px;
    width:20px;
    height:2px;
    background:var(--c-primary-deep);
    border-radius:2px;
    transition:transform .25s ease,opacity .2s ease;
  }
  .nav-toggle span:nth-child(1){top:16px;}
  .nav-toggle span:nth-child(2){top:22px;}
  .nav-toggle span:nth-child(3){top:28px;}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle.is-open span:nth-child(2){opacity:0;}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  .mobile-menu{
    display:none;
    border-top:1px solid var(--c-line);
    background:var(--c-surface);
    padding:12px 20px 22px;
  }
  .mobile-menu.is-open{display:block;}
  .mobile-menu nav{display:flex;flex-direction:column;gap:2px;}
  .mobile-link{
    display:block;
    line-height:52px;
    font-size:17px;
    font-weight:500;
    color:var(--c-text);
    border-bottom:1px solid var(--c-line);
  }
  .mobile-link.is-active{color:var(--c-primary);}
  .mobile-cta{margin-top:16px;width:100%;}

  /* ============ 分类 Hero ============ */
  .cat-hero{
    position:relative;
    margin:28px 0 0;
    border-radius:var(--r-panel);
    overflow:hidden;
    min-height:340px;
    display:flex;
    align-items:center;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;
  }
  .cat-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:rgba(10,66,59,.74);
  }
  .cat-hero-inner{
    position:relative;
    z-index:2;
    padding:52px 48px;
    max-width:760px;
  }
  .crumbs{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:rgba(255,255,255,.76);
    margin-bottom:18px;
  }
  .crumbs a{color:rgba(255,255,255,.86);}
  .crumbs a:hover{color:#fff;text-decoration:underline;}
  .cat-hero h1{
    font-size:44px;
    line-height:1.25;
    font-weight:700;
    letter-spacing:-.5px;
    color:#fff;
  }
  .cat-hero p{
    margin-top:16px;
    font-size:15.5px;
    line-height:1.85;
    color:rgba(255,255,255,.86);
    max-width:34em;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .hero-tags span{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:6px 14px;
    font-size:12.5px;
    color:#fff;
    background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.28);
    border-radius:999px;
  }

  /* ============ 通用板块 ============ */
  .section{padding:80px 0 0;}
  .section-head{max-width:720px;margin-bottom:32px;}
  .section-head h2{
    font-size:32px;
    line-height:1.35;
    font-weight:700;
    color:var(--c-primary-deep);
    letter-spacing:-.2px;
  }
  .section-head p{
    margin-top:12px;
    font-size:14.5px;
    line-height:1.8;
    color:var(--c-text-2);
  }
  .lead-panel{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-1);
    padding:28px 30px;
    margin-top:32px;
    display:grid;
    grid-template-columns:1fr auto;
    gap:24px;
    align-items:center;
  }
  .lead-panel p{
    font-size:15.5px;
    line-height:1.85;
    color:var(--c-text-2);
  }
  .lead-panel strong{color:var(--c-primary-deep);font-weight:600;}

  /* ============ 卡片网格 ============ */
  .card-grid{margin-bottom:-24px;}
  .info-card{
    display:flex;
    flex-direction:column;
    height:100%;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-1);
    overflow:hidden;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .info-card:hover{
    transform:translateY(-3px);
    box-shadow:var(--sh-2);
    border-color:rgba(15,95,85,.24);
  }
  .card-media{
    aspect-ratio:16/10;
    overflow:hidden;
    background:var(--c-primary-soft);
  }
  .card-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .4s ease;
  }
  .info-card:hover .card-media img{transform:scale(1.04);}
  .card-body{
    display:flex;
    flex-direction:column;
    flex:1;
    padding:20px;
  }
  .badge{
    align-self:flex-start;
    display:inline-flex;
    align-items:center;
    padding:4px 12px;
    font-size:12.5px;
    font-weight:600;
    line-height:1.5;
    color:var(--c-primary);
    background:var(--c-primary-soft);
    border-radius:999px;
  }
  .card-body h3{
    margin-top:12px;
    font-size:22px;
    line-height:1.45;
    font-weight:600;
    color:var(--c-text);
  }
  .card-body p{
    margin-top:10px;
    font-size:14px;
    line-height:1.8;
    color:var(--c-text-2);
  }
  .card-foot{
    margin-top:auto;
    padding-top:16px;
    border-top:1px solid var(--c-line);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
  }
  .card-foot .meta{font-size:12.5px;color:var(--c-text-3);}

  /* ============ 特色条目 ============ */
  .feature-strip{
    margin-top:64px;
    background:var(--c-primary-soft);
    border-radius:var(--r-panel);
    overflow:hidden;
  }
  .feature-inner{padding:0;}
  .feature-media{
    height:100%;
    min-height:280px;
    overflow:hidden;
  }
  .feature-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
  .feature-text{padding:40px 40px 40px 8px;}
  .feature-text h2{
    font-size:28px;
    line-height:1.35;
    font-weight:700;
    color:var(--c-primary-deep);
  }
  .feature-text p{
    margin-top:14px;
    font-size:15.5px;
    line-height:1.85;
    color:var(--c-text-2);
  }
  .check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
  .check-list li{
    display:flex;
    gap:10px;
    font-size:15px;
    line-height:1.75;
    color:var(--c-text);
  }
  .check-list i{color:var(--c-primary);font-size:15px;margin-top:6px;flex:none;}
  .feature-text .text-link{margin-top:22px;}

  /* ============ 指标条 ============ */
  .stat-bar{
    margin-top:64px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-1);
    display:grid;
    grid-template-columns:repeat(4,1fr);
  }
  .stat-item{
    padding:32px 24px;
    text-align:center;
    border-left:1px solid var(--c-line);
  }
  .stat-item:first-child{border-left:0;}
  .stat-num{
    font-size:32px;
    font-weight:700;
    line-height:1.2;
    color:var(--c-primary);
    font-variant-numeric:tabular-nums;
  }
  .stat-item span{
    display:block;
    margin-top:8px;
    font-size:14px;
    color:var(--c-text-2);
  }

  /* ============ FAQ ============ */
  .faq-wrap{margin-top:16px;}
  .faq-side h2{
    font-size:32px;
    line-height:1.35;
    font-weight:700;
    color:var(--c-primary-deep);
  }
  .faq-side p{
    margin-top:12px;
    font-size:15px;
    line-height:1.85;
    color:var(--c-text-2);
  }
  .faq-side .text-link{margin-top:18px;}
  .faq .accordion{
    margin:0;
    padding:0;
    list-style:none;
    background:transparent;
    border:0;
  }
  .faq .accordion-item{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-1);
    margin-bottom:12px;
    overflow:hidden;
  }
  .faq .accordion-item:last-child{margin-bottom:0;}
  .faq .accordion-title{
    position:relative;
    display:block;
    padding:20px 56px 20px 24px;
    font-size:17px;
    font-weight:600;
    line-height:1.6;
    color:var(--c-text);
    background:var(--c-surface);
    border:0;
    transition:color .2s ease,background-color .2s ease;
  }
  .faq .accordion-title:hover{color:var(--c-primary);background:var(--c-primary-soft);}
  .faq .accordion-title::before{
    content:"";
    position:absolute;
    right:24px;
    top:50%;
    width:9px;
    height:9px;
    margin:0;
    float:none;
    font-size:0;
    border-right:2px solid currentColor;
    border-bottom:2px solid currentColor;
    transform:translateY(-70%) rotate(45deg);
    transition:transform .25s ease;
  }
  .faq .accordion-item.is-active .accordion-title{color:var(--c-primary);}
  .faq .accordion-item.is-active .accordion-title::before{
    transform:translateY(-30%) rotate(-135deg);
  }
  .faq .accordion-content{
    padding:0 24px 22px;
    border:0;
    font-size:15.5px;
    line-height:1.8;
    color:var(--c-text-2);
    background:var(--c-surface);
  }

  /* ============ CTA ============ */
  .cta-band{
    position:relative;
    margin-top:80px;
    background:var(--c-primary-deep);
    border-radius:var(--r-panel);
    overflow:hidden;
    padding:56px 48px;
  }
  .cta-band .wave{
    position:absolute;
    right:-40px;
    bottom:-40px;
    width:420px;
    max-width:60%;
    opacity:.1;
    pointer-events:none;
  }
  .cta-grid{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:1fr auto;
    gap:32px;
    align-items:center;
  }
  .cta-grid h2{
    font-size:30px;
    line-height:1.35;
    font-weight:700;
    color:#fff;
  }
  .cta-grid p{
    margin-top:12px;
    font-size:15.5px;
    line-height:1.8;
    color:rgba(255,255,255,.82);
    max-width:34em;
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:96px;
    background:var(--c-primary-deep);
    color:#fff;
    padding:64px 0 0;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1.3fr;
    gap:40px;
    padding-bottom:48px;
  }
  .footer-brand{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:20px;
    font-weight:700;
    color:#fff;
  }
  .footer-brand svg{width:30px;height:30px;flex:none;}
  .footer-brand:hover{color:#fff;opacity:.86;}
  .footer-col p{
    margin-top:16px;
    font-size:14px;
    line-height:1.85;
    color:rgba(255,255,255,.72);
  }
  .footer-col h4{
    font-size:15px;
    font-weight:600;
    color:#fff;
    margin-bottom:16px;
  }
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{
    font-size:14px;
    color:rgba(255,255,255,.74);
    transition:color .2s ease,opacity .2s ease;
  }
  .footer-links a:hover{color:#fff;text-decoration:underline;}
  .footer-contact{display:flex;flex-direction:column;gap:12px;}
  .footer-contact li{
    display:flex;
    gap:10px;
    font-size:14px;
    line-height:1.7;
    color:rgba(255,255,255,.74);
  }
  .footer-contact i{margin-top:5px;color:rgba(255,255,255,.6);flex:none;}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.16);
    padding:20px 0 26px;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    font-size:13px;
    color:rgba(255,255,255,.66);
  }
  .footer-bottom a{color:rgba(255,255,255,.82);}
  .footer-bottom a:hover{color:#fff;text-decoration:underline;}

  /* ============ 响应式 ============ */
  @media (max-width:1199px){
    .cat-hero h1{font-size:38px;}
    .cta-band{padding:48px 36px;}
  }
  @media (max-width:1023px){
    .nav-left,.nav-right{display:none;}
    .nav-toggle{display:block;}
    .header-inner{grid-template-columns:1fr auto;min-height:70px;}
    .site-brand{justify-self:start;}
    .cat-hero-inner{padding:40px 32px;}
    .cat-hero h1{font-size:34px;}
    .feature-text{padding:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .cta-grid{grid-template-columns:1fr;}
    .cta-actions{justify-content:flex-start;}
  }
  @media (max-width:767px){
    body{line-height:1.8;}
    .section{padding:56px 0 0;}
    .cat-hero{margin-top:20px;min-height:260px;border-radius:16px;}
    .cat-hero-inner{padding:32px 24px;max-width:100%;}
    .cat-hero h1{font-size:28px;letter-spacing:-.2px;}
    .cat-hero p{font-size:14.5px;}
    .hero-actions{gap:12px;}
    .btn{width:100%;padding:12px 20px;font-size:15.5px;}
    .hero-actions .btn{width:auto;min-width:150px;}
    .section-head h2,.faq-side h2{font-size:24px;}
    .lead-panel{grid-template-columns:1fr;padding:22px;}
    .lead-panel .btn{width:100%;}
    .card-body h3{font-size:20px;}
    .feature-text{padding:24px;}
    .feature-media{min-height:220px;}
    .stat-bar{grid-template-columns:1fr 1fr;}
    .stat-item{padding:24px 16px;border-left:1px solid var(--c-line);}
    .stat-item:nth-child(odd){border-left:0;}
    .stat-item:nth-child(n+3){border-top:1px solid var(--c-line);}
    .stat-num{font-size:26px;}
    .cta-band{margin-top:56px;padding:36px 24px;border-radius:16px;}
    .cta-grid h2{font-size:24px;}
    .cta-actions .btn{width:100%;}
    .site-footer{margin-top:64px;padding-top:48px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;font-size:12.5px;}
    .faq .accordion-title{font-size:16px;padding:18px 48px 18px 18px;}
    .faq .accordion-content{padding:0 18px 18px;font-size:15px;}
  }
  @media (max-width:575px){
    .container{padding:0 16px;}
    .site-brand{font-size:18px;}
    .site-brand svg{width:26px;height:26px;}
    .cat-hero h1{font-size:24px;}
    .hero-tags span{font-size:12px;padding:5px 12px;}
    .card-foot{flex-wrap:wrap;}
  }

/* roulang page: article */
:root{
  --c-primary:#0F5F55;
  --c-primary-deep:#0A423B;
  --c-primary-soft:#E3F0EB;
  --c-accent:#D06A3C;
  --c-accent-hover:#B8582D;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-text:#12211E;
  --c-text-2:#55635F;
  --c-text-3:#8A9691;
  --c-line:#E3E0D8;
  --c-success:#2F7D5E;
  --c-warn:#C99025;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-panel:20px;
  --sh-1:0 1px 2px rgba(18,33,30,.06);
  --sh-2:0 10px 28px rgba(15,95,85,.12);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --font-base:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,33,30,.08);}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:var(--sp-4);
  height:76px;
}
.nav-left{display:flex;align-items:center;gap:28px;}
.nav-right-wrap{display:flex;align-items:center;justify-content:flex-end;gap:28px;}
.nav-right{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;
  display:inline-block;
  font-size:15px;
  font-weight:500;
  color:var(--c-text);
  padding:6px 0;
  line-height:1.4;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:0;
  height:2px;width:0;
  background:var(--c-primary);
  transition:width .24s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{width:100%;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;
  color:var(--c-primary-deep);
  white-space:nowrap;letter-spacing:-.2px;
  justify-self:center;
}
.brand svg{width:30px;height:30px;flex:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.2;
  padding:13px 26px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  cursor:pointer;
  min-height:44px;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(208,106,60,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary);color:#fff;}
.btn-light{background:#fff;color:var(--c-accent);}
.btn-light:hover{background:#F3EDE6;color:var(--c-accent-hover);transform:translateY(-2px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{padding:10px 22px;font-size:14px;min-height:42px;}
.nav-toggle{
  display:none;
  flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;
  padding:0 10px;
  background:transparent;border:1px solid var(--c-line);
  border-radius:var(--r-btn);cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--c-primary-deep);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{
  display:none;
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
  padding:8px 20px 22px;
  box-shadow:0 12px 24px rgba(18,33,30,.08);
}
.mobile-nav.is-open{display:block;}
.mobile-nav a.mobile-link{
  display:block;
  font-size:17px;font-weight:500;
  line-height:52px;
  color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.mobile-nav a.mobile-link:hover,.mobile-nav a.mobile-link:active{color:var(--c-primary);}
.mobile-nav .btn{width:100%;margin-top:18px;}

/* ============ Breadcrumb ============ */
.breadcrumb-bar{
  background:var(--c-primary-soft);
  border-bottom:1px solid rgba(15,95,85,.10);
}
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  height:52px;
  font-size:13.5px;
  color:var(--c-text-2);
  overflow:hidden;white-space:nowrap;
}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-text-3);}
.crumb-current{
  color:var(--c-text-3);
  overflow:hidden;text-overflow:ellipsis;max-width:56%;
}

/* ============ Article ============ */
.article-main{padding:var(--sp-7) 0 var(--sp-9);}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:32px;
  align-items:start;
}
.article-body{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-panel);
  padding:38px 40px 34px;
  box-shadow:var(--sh-1);
}
.article-head{max-width:760px;padding-bottom:var(--sp-5);border-bottom:1px solid var(--c-line);margin-bottom:var(--sp-6);}
.badge{
  display:inline-block;
  padding:5px 14px;
  border-radius:999px;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:12.5px;
  font-weight:600;
  line-height:1.5;
}
.article-head h1{
  font-size:32px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.3px;
  margin:16px 0 18px;
  color:var(--c-text);
  word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13.5px;color:var(--c-text-3);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .meta-item i{color:var(--c-primary);font-size:12px;}
.article-meta .divider{width:1px;height:12px;background:var(--c-line);display:inline-block;}

.article-content{
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  word-break:break-word;
}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 1.1em;}
.article-content h2{
  position:relative;
  font-size:24px;line-height:1.4;font-weight:700;
  margin:44px 0 16px;
  padding-left:14px;
  color:var(--c-text);
  scroll-margin-top:100px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:2px;background:var(--c-primary);
}
.article-content h3{
  font-size:19px;line-height:1.5;font-weight:600;
  margin:30px 0 12px;color:var(--c-text);
  scroll-margin-top:100px;
}
.article-content h4{font-size:17px;line-height:1.5;font-weight:600;margin:24px 0 10px;}
.article-content ul,.article-content ol{margin:0 0 1.1em;padding-left:1.4em;}
.article-content li{margin-bottom:.5em;}
.article-content li::marker{color:var(--c-primary);font-weight:600;}
.article-content blockquote{
  margin:24px 0;
  padding:20px 24px;
  background:var(--c-primary-soft);
  border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-text-2);
  font-size:15.5px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{
  border-radius:var(--r-img);
  margin:24px auto;
  box-shadow:var(--sh-1);
}
.article-content a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--c-accent);}
.article-content strong{font-weight:700;color:var(--c-primary-deep);}
.article-content table{
  width:100%;
  border-collapse:collapse;
  background:var(--c-surface);
  border-radius:var(--r-img);
  overflow:hidden;
  margin:24px 0;
  font-size:15px;
  box-shadow:var(--sh-1);
}
.article-content th{
  background:var(--c-primary-soft);
  color:var(--c-primary);
  text-align:left;
  padding:12px 16px;
  font-weight:600;
  border:none;
}
.article-content td{
  padding:12px 16px;
  border-top:1px solid var(--c-line);
  vertical-align:top;
}
.article-content tbody tr:nth-child(even) td{background:#FAF9F6;}
.article-content code{
  background:var(--c-primary-soft);
  color:var(--c-primary-deep);
  padding:2px 7px;
  border-radius:6px;
  font-size:14px;
}
.article-content pre{
  background:#0A423B;
  color:#E7F2EE;
  padding:18px 20px;
  border-radius:var(--r-img);
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-content pre code{background:none;color:inherit;padding:0;}
.article-content hr{border:none;border-top:1px solid var(--c-line);margin:32px 0;}

.empty-state{
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:56px 28px;
  text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:22px;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:12px;color:var(--c-text);}
.empty-state p{font-size:15px;line-height:1.8;color:var(--c-text-2);max-width:460px;margin:0 auto 24px;}

.article-foot{margin-top:var(--sp-7);padding-top:var(--sp-5);border-top:1px solid var(--c-line);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:var(--sp-5);}
.tag{
  display:inline-block;
  padding:6px 14px;
  border-radius:999px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-2);
  line-height:1.5;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}
.foot-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.share-hint{font-size:13px;color:var(--c-text-3);display:inline-flex;align-items:center;gap:8px;}
.share-hint i{color:var(--c-primary);}

/* ============ Sidebar ============ */
.article-side{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--sh-1);
}
.side-title{
  font-size:16px;font-weight:600;
  color:var(--c-text);
  margin:0 0 14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--c-line);
}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto;}
.toc-list li{margin:0;}
.toc-list a{
  display:block;
  font-size:14px;line-height:1.6;
  color:var(--c-text-2);
  padding:7px 10px;
  border-left:2px solid transparent;
  border-radius:0 6px 6px 0;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.toc-list a:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.toc-list a.is-current{color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);background:var(--c-primary-soft);}
.side-links{list-style:none;margin:0;padding:0;}
.side-links li + li{border-top:1px solid var(--c-line);}
.side-links a{
  display:block;
  padding:11px 0;
  font-size:14px;line-height:1.6;
  color:var(--c-text-2);
}
.side-links a span{display:block;font-size:12.5px;color:var(--c-text-3);margin-top:4px;}
.side-links a:hover{color:var(--c-primary);}
.side-cta{background:var(--c-primary-deep);border-color:var(--c-primary-deep);}
.side-cta .side-title{color:#fff;border-bottom-color:rgba(255,255,255,.18);}
.side-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.76);margin:0 0 18px;}
.side-cta .btn{width:100%;}

/* ============ Related ============ */
.related-section{padding:0 0 var(--sp-9);}
.section-head{max-width:720px;margin-bottom:var(--sp-6);}
.section-head h2{font-size:28px;line-height:1.35;font-weight:700;color:var(--c-text);margin-bottom:10px;}
.section-head p{font-size:15px;color:var(--c-text-2);margin:0;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.post-card-media{aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft);}
.post-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-card-media img{transform:scale(1.04);}
.post-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card-body h3{font-size:17px;line-height:1.5;font-weight:600;margin:0;}
.post-card-body h3 a{color:var(--c-text);}
.post-card-body h3 a:hover{color:var(--c-primary);}
.post-card-body p{font-size:14px;line-height:1.7;color:var(--c-text-2);margin:0;}
.post-card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--c-text-3);
}
.post-card-foot i{margin-right:5px;color:var(--c-primary);}
.text-link{font-size:13.5px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:4px;}
.text-link .arrow{transition:transform .2s ease;}
.text-link:hover .arrow{transform:translateX(3px);}

/* ============ FAQ ============ */
.faq-section{padding:0 0 var(--sp-9);}
.faq-list{max-width:900px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  font-size:17px;font-weight:600;
  color:var(--c-text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-size:22px;font-weight:400;line-height:1;
  color:var(--c-primary);
  flex:none;
  transition:transform .22s ease;
}
.faq-item[open] summary{color:var(--c-primary);}
.faq-item[open] summary::after{content:"−";}
.faq-answer{padding:0 24px 22px;font-size:15.5px;line-height:1.8;color:var(--c-text-2);}
.faq-answer p{margin:0 0 .8em;}
.faq-answer p:last-child{margin-bottom:0;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--c-primary-deep);
  color:#fff;
  padding:var(--sp-8) 0;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-6);flex-wrap:wrap;
}
.cta-inner h2{font-size:28px;line-height:1.35;font-weight:700;color:#fff;margin:0 0 12px;}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.76);margin:0;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-wave{position:absolute;right:-60px;bottom:-40px;width:420px;opacity:.10;pointer-events:none;}
.cta-wave path{stroke:#FFFFFF;stroke-width:2;fill:none;}

/* ============ Footer ============ */
.site-footer{background:var(--c-primary-deep);color:#fff;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:700;
  margin-bottom:14px;
}
.footer-brand svg{width:26px;height:26px;flex:none;}
.footer-brand:hover{color:#fff;opacity:.85;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.70);margin:0;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;text-decoration:underline;opacity:1;}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);}
.footer-contact li i{color:var(--c-accent);margin-top:5px;flex:none;}
.footer-bottom{
  margin-top:44px;
  padding:20px 0 24px;
  border-top:1px solid rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}
.footer-bottom a{color:rgba(255,255,255,.75);}
.footer-bottom a:hover{color:#fff;}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .article-body{padding:32px 30px 28px;}
  .article-content h2{font-size:22px;}
}
@media (max-width:991px){
  .header-inner{display:flex;justify-content:space-between;height:66px;}
  .nav-left,.nav-right-wrap{display:none;}
  .nav-toggle{display:flex;}
  .brand{justify-self:auto;font-size:18px;}
  .brand svg{width:26px;height:26px;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .article-side{position:static;top:auto;}
  .toc-list{max-height:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px;}
  .article-main{padding:var(--sp-6) 0 var(--sp-8);}
  .related-section,.faq-section{padding-bottom:var(--sp-8);}
  .section-head h2{font-size:24px;}
}
@media (max-width:767px){
  .breadcrumb{height:auto;min-height:48px;padding-top:10px;padding-bottom:10px;white-space:normal;flex-wrap:wrap;gap:6px;font-size:13px;}
  .crumb-current{max-width:100%;white-space:normal;overflow:visible;text-overflow:clip;}
  .article-body{padding:24px 20px 22px;border-radius:16px;}
  .article-head h1{font-size:24px;line-height:1.4;margin:14px 0;}
  .article-content{font-size:15.5px;line-height:1.8;}
  .article-content h2{font-size:20px;margin:34px 0 14px;}
  .article-content h3{font-size:17.5px;margin:24px 0 10px;}
  .article-content blockquote{padding:16px 18px;font-size:14.5px;}
  .article-content table{font-size:14px;}
  .article-content th,.article-content td{padding:10px 12px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-inner h2{font-size:22px;}
  .cta-band{padding:var(--sp-7) 0;}
  .cta-wave{width:300px;right:-80px;}
  .faq-item summary{font-size:15.5px;padding:16px 18px;}
  .faq-answer{padding:0 18px 18px;font-size:14.5px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .empty-state{padding:40px 20px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .article-head h1{font-size:21px;}
  .section-head h2{font-size:21px;}
  .btn{padding:12px 20px;font-size:14.5px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F5F55;
  --c-primary-deep:#0A423B;
  --c-primary-soft:#E3F0EB;
  --c-accent:#D06A3C;
  --c-accent-hover:#B8582D;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-text:#12211E;
  --c-text-2:#55635F;
  --c-text-3:#8A9691;
  --c-line:#E3E0D8;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-panel:20px;
  --shadow-1:0 1px 2px rgba(18,33,30,.06);
  --shadow-2:0 10px 28px rgba(15,95,85,.12);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  padding:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{font-family:inherit;color:var(--c-text);margin:0;}
h1{font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.5px;}
h2{font-size:32px;line-height:1.35;font-weight:700;}
h3{font-size:22px;line-height:1.45;font-weight:600;}
h4{font-size:18px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.1em;padding-left:1.4em;}
li{margin-bottom:.35em;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--c-primary-deep);}
img{max-width:100%;height:auto;display:block;border:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px;}

.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 28px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;line-height:1.2;border:1.5px solid transparent;
  cursor:pointer;transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  text-align:center;
}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(208,106,60,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-light{background:#fff;color:var(--c-primary-deep);}
.btn-light:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.72);color:#fff;}
.btn-outline-light:hover{background:#fff;color:var(--c-primary-deep);border-color:#fff;}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);}
.link-arrow span{transition:transform .22s ease;}
.link-arrow:hover span{transform:translateX(3px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12.5px;font-weight:600;line-height:1.6;
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,33,30,.08);}

.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:76px;gap:20px;
}
.nav-left{display:flex;align-items:center;gap:28px;justify-self:start;}
.nav-right{display:flex;align-items:center;gap:28px;justify-self:end;}

.nav-link{
  position:relative;display:inline-block;
  padding:6px 0;font-size:15px;font-weight:500;color:var(--c-text);
  transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--c-primary);transition:width .22s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{width:100%;}

.nav-logo{
  display:inline-flex;align-items:center;gap:10px;justify-self:center;
  font-size:20px;font-weight:700;color:var(--c-primary-deep);letter-spacing:.2px;
}
.nav-logo svg{width:30px;height:30px;flex:none;}
.nav-logo:hover{color:var(--c-primary);}

.nav-cta{min-height:44px;padding:0 22px;font-size:15px;}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;
  background:#fff;color:var(--c-primary-deep);font-size:17px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--c-primary-soft);border-color:var(--c-primary-soft);}

.mobile-panel{display:none;}
.mobile-panel.is-open{display:block;padding:8px 0 20px;border-top:1px solid var(--c-line);}
.mobile-panel nav{display:block;}
.mobile-panel a{
  display:block;line-height:52px;font-size:17px;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.mobile-panel a.is-active{color:var(--c-primary);font-weight:600;}
.mobile-panel a.mobile-cta{
  display:flex;margin-top:16px;border-bottom:0;line-height:1.2;color:#fff;
}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-radius:var(--radius-panel);
  margin-top:24px;
  min-height:320px;
  display:flex;align-items:center;
  background:#0A423B url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:rgba(10,66,59,.80);
}
.cat-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px;}
.cat-hero h1{font-size:40px;line-height:1.25;font-weight:700;color:#fff;margin:16px 0 14px;letter-spacing:-.5px;max-width:820px;}
.cat-hero p{color:rgba(255,255,255,.86);font-size:15px;line-height:1.8;margin:0 0 26px;max-width:620px;}
.cat-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);}
.breadcrumb a{color:rgba(255,255,255,.88);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.6;}

/* ---------- Section basics ---------- */
.section{padding:80px 0;}
.section-tight{padding:64px 0 80px;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{color:var(--c-primary-deep);margin-bottom:12px;}
.lede{font-size:16.5px;line-height:1.85;color:var(--c-text-2);max-width:760px;margin:0;}

/* ---------- Guide list (staggered rows) ---------- */
.guide-list{border-top:1px solid var(--c-line);}
.guide-row{
  display:flex;align-items:center;
  padding:36px 0;
  border-bottom:1px solid var(--c-line);
}
.guide-row > .cell{padding-left:0;padding-right:0;}
.guide-row .guide-media{padding-right:40px;}
.guide-row.is-reverse .guide-media{order:2;padding-right:0;padding-left:40px;}
.guide-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-img);box-shadow:var(--shadow-1);
}
.guide-body h3{font-size:22px;font-weight:600;margin:14px 0 10px;color:var(--c-text);}
.guide-body p{font-size:15.5px;line-height:1.85;color:var(--c-text-2);margin:0 0 16px;}

/* ---------- Metrics ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-panel);overflow:hidden;box-shadow:var(--shadow-1);
}
.metric{padding:32px 28px;border-right:1px solid var(--c-line);}
.metric:last-child{border-right:0;}
.metric strong{
  display:block;font-size:32px;font-weight:700;line-height:1.3;
  color:var(--c-primary);font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.metric span{font-size:14px;line-height:1.7;color:var(--c-text-2);}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-card);padding:18px 24px;margin-bottom:12px;
  box-shadow:var(--shadow-1);transition:box-shadow .22s ease,transform .22s ease;
}
.faq-item:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  list-style:none;cursor:pointer;font-size:17px;font-weight:600;color:var(--c-text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-item summary .faq-icon{
  flex:none;width:26px;height:26px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;
  transition:transform .22s ease,background .22s ease;
}
.faq-item[open] summary{color:var(--c-primary);}
.faq-item[open] summary .faq-icon{transform:rotate(180deg);background:var(--c-primary);color:#fff;}
.faq-answer{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:15.5px;line-height:1.8;color:var(--c-text-2);
}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;
  background:var(--c-primary-deep);border-radius:var(--radius-panel);
  padding:56px 48px;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-block h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:12px;}
.cta-block p{color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.8;margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-wave{position:absolute;right:-40px;bottom:-40px;width:320px;opacity:.10;pointer-events:none;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-primary-deep);color:#fff;padding:64px 0 24px;margin-top:80px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:#fff;margin-bottom:14px;
}
.footer-brand svg{width:30px;height:30px;flex:none;}
.footer-brand:hover{color:#fff;opacity:.88;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.75);}
.footer-links a:hover{color:#fff;text-decoration:underline;opacity:.95;}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;color:rgba(255,255,255,.75);}
.footer-contact i{margin-top:4px;color:var(--c-accent);font-size:14px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.82);}
.footer-bottom a:hover{color:#fff;text-decoration:underline;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .cat-hero h1{font-size:36px;}
  .footer-grid{gap:32px;}
}

@media (max-width:991px){
  .nav-left,.nav-right{display:none;}
  .nav-wrap{grid-template-columns:1fr auto;height:68px;}
  .nav-logo{justify-self:start;order:1;font-size:18px;}
  .nav-logo svg{width:26px;height:26px;}
  .nav-toggle{display:inline-flex;justify-self:end;order:2;}
  .cat-hero{min-height:280px;}
  .cat-hero h1{font-size:30px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0 64px;}
  .section-head h2{font-size:26px;}
  .guide-row .guide-media{padding-right:28px;}
  .guide-row.is-reverse .guide-media{padding-left:28px;padding-right:0;}
  .guide-body h3{font-size:20px;}
  .cta-block{grid-template-columns:1fr;padding:40px 32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:767px){
  .cat-hero{border-radius:16px;margin-top:16px;min-height:240px;}
  .cat-hero .container{padding-top:32px;padding-bottom:32px;}
  .cat-hero h1{font-size:26px;margin:12px 0 12px;}
  .cat-hero p{font-size:14.5px;margin-bottom:20px;}
  .guide-row{display:block;padding:28px 0;}
  .guide-row .guide-media,
  .guide-row.is-reverse .guide-media{order:0;padding:0 0 20px 0;}
  .guide-body h3{margin-top:12px;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--c-line);padding:26px 24px;}
  .metric:last-child{border-bottom:0;}
  .cta-block{padding:32px 24px;border-radius:16px;}
  .cta-block h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .site-footer{padding:48px 0 20px;margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:575px){
  .container{padding:0 16px;}
  h1{font-size:30px;}
  .section{padding:56px 0;}
  .cat-hero h1{font-size:23px;line-height:1.32;}
  .section-head h2{font-size:22px;}
  .btn{width:100%;padding:12px 20px;}
  .hero-actions{width:100%;}
  .faq-item{padding:16px 18px;}
  .faq-item summary{font-size:16px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0F5F55;
  --c-primary-deep:#0A423B;
  --c-primary-soft:#E3F0EB;
  --c-accent:#D06A3C;
  --c-accent-hover:#B8582D;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-text:#12211E;
  --c-text-2:#55635F;
  --c-text-3:#8A9691;
  --c-line:#E3E0D8;
  --c-success:#2F7D5E;
  --c-warn:#C99025;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-panel:20px;
  --shadow-1:0 1px 2px rgba(18,33,30,.06);
  --shadow-2:0 10px 28px rgba(15,95,85,.12);
  --font-base:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--c-primary-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{list-style:none;padding:0;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ 按钮与标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1.2;border:1.5px solid transparent;
  cursor:pointer;text-align:center;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;}
.btn-primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-primary:hover{background:var(--c-accent-hover);border-color:var(--c-accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 20px rgba(208,106,60,.24);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-inverse{background:#fff;color:var(--c-primary-deep);border-color:#fff;}
.btn-inverse:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px);}
.btn-inverse:active{transform:translateY(0);}
.btn-sm{min-height:44px;padding:10px 22px;font-size:15px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-more .arrow{transition:transform .2s ease;}
.link-more:hover .arrow{transform:translateX(3px);}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12.5px;font-weight:600;line-height:1.5;letter-spacing:.2px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(18,33,30,.08);}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  min-height:76px;
}
.nav-left{display:flex;align-items:center;gap:28px;}
.nav-right{display:flex;align-items:center;gap:28px;justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 0;
  font-size:15px;font-weight:500;color:var(--c-text);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-primary);transition:width .24s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;letter-spacing:-.2px;
  color:var(--c-primary-deep);white-space:nowrap;
}
.brand svg{width:30px;height:30px;flex:0 0 30px;}
.brand:hover{color:var(--c-primary);}
.nav-toggle{
  display:none;
  align-items:center;justify-content:center;
  width:44px;height:44px;padding:0;
  background:transparent;border:1px solid var(--c-line);border-radius:10px;
  cursor:pointer;color:var(--c-primary-deep);
}
.nav-toggle:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.nav-toggle .bars{position:relative;display:block;width:20px;height:2px;background:currentColor;border-radius:2px;}
.nav-toggle .bars::before,
.nav-toggle .bars::after{content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;border-radius:2px;transition:transform .2s ease;}
.nav-toggle .bars::before{top:-6px;}
.nav-toggle .bars::after{top:6px;}
.mobile-panel{
  display:none;
  position:absolute;left:0;right:0;top:100%;
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  box-shadow:0 14px 26px rgba(18,33,30,.10);
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;
  height:52px;padding:0 20px;
  font-size:17px;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.mobile-panel a:hover{background:#FBF9F4;color:var(--c-primary);}
.mobile-panel a.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft);}
.mobile-cta{padding:16px 20px 20px;border-bottom:0!important;}
.mobile-cta .btn{width:100%;}

/* ============ 分类 Hero ============ */
.hero-wrap{padding:32px 0 0;}
.cat-hero{
  position:relative;
  border-radius:var(--r-panel);
  overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center right;
  isolation:isolate;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:rgba(10,66,59,.72);
}
.cat-hero-inner{
  position:relative;z-index:1;
  padding:56px 56px 60px;
  max-width:800px;
  color:#fff;
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.76);
  margin-bottom:20px;
}
.crumbs a{color:rgba(255,255,255,.9);}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs .sep{color:rgba(255,255,255,.45);}
.cat-hero h1{
  font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.5px;
  color:#fff;margin-bottom:16px;
}
.cat-hero .hero-desc{
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.86);
  max-width:620px;margin-bottom:28px;
}
.cat-hero .hero-wave{
  position:absolute;right:-40px;bottom:-30px;z-index:0;
  width:340px;opacity:.10;pointer-events:none;
}

/* ============ 通用板块 ============ */
.section{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{
  font-size:32px;line-height:1.35;font-weight:700;letter-spacing:-.3px;
  margin-bottom:12px;
}
.section-head p{font-size:15.5px;color:var(--c-text-2);}
.lead-text{
  max-width:820px;
  font-size:16px;line-height:1.9;color:var(--c-text-2);
}

/* ============ 双栏块状卡片 ============ */
.blocks-grid{margin-bottom:-20px;}
.blocks-grid > .cell{width:100%;margin-bottom:20px;}
.block-col{display:flex;flex-direction:column;gap:20px;}
.block-card{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.block-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#CCE2DA;}
.block-card .thumb{
  flex:0 0 104px;width:104px;height:104px;
  border-radius:var(--r-img);overflow:hidden;
  background:var(--c-primary-soft);
}
.block-card .thumb img{width:100%;height:100%;object-fit:cover;}
.block-card .body{min-width:0;flex:1 1 auto;}
.block-card h3{
  font-size:19px;line-height:1.45;font-weight:600;
  margin:8px 0 8px;
}
.block-card p{
  font-size:14.5px;line-height:1.75;color:var(--c-text-2);
  margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
}

/* ============ 说明块 ============ */
.note-block{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-left:4px solid var(--c-primary);
  border-radius:0 var(--r-card) var(--r-card) 0;
  padding:32px 36px;
  box-shadow:var(--shadow-1);
}
.note-block h2{font-size:24px;line-height:1.4;font-weight:700;margin-bottom:16px;color:var(--c-primary-deep);}
.note-block p{font-size:15.5px;line-height:1.85;color:var(--c-text-2);margin-bottom:14px;}
.note-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.note-list li{
  position:relative;padding-left:20px;
  font-size:14.5px;line-height:1.8;color:var(--c-text-2);
}
.note-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:7px;height:7px;border-radius:50%;
  background:var(--c-primary);
}

/* ============ 提示卡 ============ */
.tip-card{
  background:var(--c-primary-soft);
  border-radius:var(--r-panel);
  padding:40px 44px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
  border:1px solid #CFE6DE;
}
.tip-card h2{font-size:26px;line-height:1.4;font-weight:700;margin:14px 0 12px;color:var(--c-primary-deep);}
.tip-card p{font-size:15px;line-height:1.85;color:var(--c-text-2);max-width:660px;}
.tip-actions{display:flex;flex-direction:column;gap:12px;min-width:170px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
ul.faq-list.accordion{
  background:transparent;border:0;margin:0;padding:0;
}
ul.faq-list .accordion-item{
  background:var(--c-surface);
  border:1px solid var(--c-line)!important;
  border-radius:var(--r-card)!important;
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
ul.faq-list .accordion-item:hover{border-color:#CCE2DA!important;box-shadow:var(--shadow-1);}
ul.faq-list .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px!important;
  font-size:17px;font-weight:600;line-height:1.5;
  color:var(--c-text)!important;
  background:transparent!important;
  border:0!important;
  transition:color .2s ease,background-color .2s ease;
}
ul.faq-list .accordion-title::before{display:none!important;}
ul.faq-list .accordion-title:hover{background:#FBF9F4!important;}
ul.faq-list .accordion-title:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px;}
ul.faq-list .accordion-item.is-active .accordion-title{color:var(--c-primary)!important;}
.faq-icon{
  flex:0 0 auto;font-size:13px;color:var(--c-primary);
  transition:transform .24s ease;
}
ul.faq-list .accordion-item.is-active .faq-icon{transform:rotate(180deg);}
ul.faq-list .accordion-content{
  padding:0 24px 20px!important;
  border:0!important;
  background:transparent!important;
  color:var(--c-text-2);
  font-size:15.5px;line-height:1.8;
}
ul.faq-list .accordion-content p{font-size:15.5px;line-height:1.8;color:var(--c-text-2);}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-primary-deep);
  border-radius:var(--r-panel);
  padding:52px 56px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
  color:#fff;
}
.cta-band h2{font-size:30px;line-height:1.35;font-weight:700;margin-bottom:12px;color:#fff;}
.cta-band p{font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.82);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-wave{
  position:absolute;right:-30px;bottom:-40px;width:320px;
  opacity:.10;pointer-events:none;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-primary-deep);
  color:#fff;
  margin-top:64px;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.5fr;
  gap:40px;
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:#fff;
  margin-bottom:16px;
}
.footer-brand svg{width:28px;height:28px;flex:0 0 28px;}
.footer-brand:hover{color:#fff;opacity:.86;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.75);}
.footer-links a:hover{color:#fff;text-decoration:underline;opacity:1;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.75);}
.footer-contact i{color:var(--c-accent);margin-top:6px;flex:0 0 auto;}
.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:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.78);}
.footer-bottom a:hover{color:#fff;text-decoration:underline;}

/* ============ 响应式 ============ */
@media (min-width:1024px){
  .blocks-grid > .cell:first-child{padding-right:16px;}
  .blocks-grid > .cell:last-child{padding-left:16px;}
}
@media (max-width:1199px){
  .cat-hero h1{font-size:38px;}
  .cat-hero-inner{padding:48px 40px 52px;}
}
@media (max-width:991px){
  .site-header .header-inner{
    display:flex;align-items:center;justify-content:space-between;
    min-height:64px;gap:16px;
  }
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand{font-size:18px;}
  .brand svg{width:26px;height:26px;flex:0 0 26px;}
  .cat-hero h1{font-size:32px;}
  .cat-hero-inner{padding:40px 32px 44px;}
  .tip-card{grid-template-columns:1fr;padding:32px;}
  .tip-actions{flex-direction:row;flex-wrap:wrap;min-width:0;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8;}
  .hero-wrap{padding:20px 0 0;}
  .cat-hero{min-height:220px;}
  .cat-hero h1{font-size:27px;letter-spacing:-.2px;}
  .cat-hero .hero-desc{font-size:15px;margin-bottom:22px;}
  .cat-hero-inner{padding:32px 22px 36px;}
  .section{padding:40px 0;}
  .section-head h2{font-size:24px;}
  .section-head p{font-size:15px;}
  .block-card{flex-direction:column;gap:14px;padding:18px;}
  .block-card .thumb{width:100%;height:150px;flex:0 0 auto;}
  .block-card h3{font-size:18px;margin-top:10px;}
  .note-block{padding:24px 22px;}
  .note-block h2{font-size:20px;}
  .tip-card h2{font-size:21px;}
  .cta-band h2{font-size:23px;}
  .cta-band{padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  ul.faq-list .accordion-title{padding:18px 18px!important;font-size:16px;}
  ul.faq-list .accordion-content{padding:0 18px 18px!important;}
  .btn{width:auto;}
  .cat-hero .btn{width:100%;max-width:280px;}
}
@media (max-width:420px){
  .cat-hero h1{font-size:24px;}
  .brand span{font-size:17px;}
}