/* roulang page: index */
:root{
  --ink:#0B2A22;
  --brand:#0E5C43;
  --brand-deep:#0A4632;
  --accent:#C6F24E;
  --cta:#FF5A26;
  --bg:#F7F6F1;
  --surface:#FFFFFF;
  --line:#E4E2D9;
  --text:#1B2A25;
  --muted:#6B7A74;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sd-1:0 1px 2px rgba(11,42,34,.06);
  --sd-2:0 12px 28px -14px rgba(11,42,34,.28);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
p{margin:0;}

.shell{margin-left:248px;}
.container{max-width:1240px;margin:0 auto;padding:0 40px;}
.section{padding:96px 0;}
.section--alt{background:#FFFFFF;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.h2{position:relative;padding-left:18px;font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.h2::before{content:"";position:absolute;left:0;top:6px;width:3px;height:28px;background:var(--accent);border-radius:2px;}
.h3{font-size:20px;line-height:1.5;font-weight:600;}
.lead{font-size:15px;color:var(--muted);line-height:1.8;margin-top:14px;}
.muted{color:var(--muted);font-size:14px;}

/* 侧栏 */
.sidebar{
  position:fixed;top:0;left:0;width:248px;height:100vh;background:var(--surface);
  border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:70;
}
.brand{padding:22px 20px;border-bottom:1px solid var(--line);}
.brand-name{display:block;font-size:18px;font-weight:800;line-height:1.3;color:var(--ink);letter-spacing:-.01em;}
.brand-name:hover{color:var(--brand);text-decoration:none;}
.brand-sub{margin-top:8px;font-size:12px;color:var(--muted);}
.navlist{padding:14px 12px;flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:4px;}
.navlink{
  position:relative;display:flex;align-items:center;height:44px;padding:0 12px 0 20px;
  border-radius:8px;font-size:15px;font-weight:600;color:var(--text);
  transition:background .18s ease-out,color .18s ease-out;
}
.navlink:hover{background:#F1F0E9;color:var(--ink);text-decoration:none;}
.navlink.active{background:var(--bg);color:var(--ink);}
.navlink.active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  background:var(--accent);border-radius:0 2px 2px 0;
}
.side-foot{padding:16px 20px 22px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);line-height:1.7;}
.side-foot a{display:inline-block;margin-top:6px;font-size:13px;font-weight:600;}

/* 移动端顶栏 */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;background:var(--surface);
  border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;
  gap:12px;padding:0 16px;z-index:60;
}
.menu-btn{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  border-radius:var(--r-btn);border:1px solid var(--line);background:var(--surface);
  color:var(--ink);font-size:14px;font-weight:600;cursor:pointer;
}
.menu-btn:hover{border-color:var(--brand);}
.topbar-brand{font-size:15px;font-weight:800;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-brand:hover{text-decoration:none;color:var(--brand);}
.backdrop{display:none;position:fixed;inset:0;background:rgba(11,42,34,.5);z-index:55;}
.backdrop.show{display:block;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--cta);color:#fff;}
.btn-primary:hover{background:#E84713;color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand);color:#fff;}
.btn-dark{background:var(--brand-deep);color:#fff;}
.btn-dark:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn:active{transform:scale(.98);}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand);}
.link-arrow i{font-size:12px;transition:transform .18s ease-out;}
.link-arrow:hover{color:var(--brand-deep);text-decoration:none;}
.link-arrow:hover i{transform:translateX(3px);}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:#F1F0E9;color:var(--brand);white-space:nowrap;
}
.badge-accent{background:var(--accent);color:var(--ink);}

/* 卡片 */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sd-1);transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.card:hover{box-shadow:var(--sd-2);transform:translateY(-3px);}

/* Hero */
.hero{position:relative;overflow:hidden;padding:84px 0 76px;}
.hero::after{
  content:"";position:absolute;right:-180px;top:-140px;width:520px;height:520px;
  border:1px dashed rgba(14,92,67,.12);border-radius:50%;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:1;}
.hero h1{
  font-size:clamp(32px,4vw,44px);line-height:1.25;font-weight:800;
  letter-spacing:-.01em;color:var(--ink);margin-top:18px;max-width:16em;
}
.hero-sub{font-size:17px;color:var(--muted);margin-top:16px;max-width:30em;}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.trust-list{
  list-style:none;display:flex;gap:28px;flex-wrap:wrap;
  margin:36px 0 0;padding:22px 0 0;border-top:1px solid var(--line);
}
.trust-list li{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--ink);}
.trust-num{
  display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;
  border-radius:8px;background:var(--accent);color:var(--ink);font-size:13px;font-weight:800;
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);}

/* 价值主张 */
.value-grid{display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:start;}
.value-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.value-card{padding:26px;}
.value-card.wide{grid-column:span 2;display:grid;grid-template-columns:1fr 220px;gap:26px;align-items:center;}
.value-icon{
  width:40px;height:40px;border-radius:10px;background:#EAF6EE;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:14px;
}
.value-card h3{font-size:17px;font-weight:700;line-height:1.5;}
.value-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.75;}
.value-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);}

/* 功能分组 */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px;}
.tab{
  height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--brand);font-size:14px;font-weight:600;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.tab:hover{border-color:var(--brand);}
.tab.active{background:var(--accent);border-color:var(--accent);color:var(--ink);}
.panel{display:none;}
.panel.active{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.panel.reverse .panel-media{order:2;}
.panel-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);}
.panel-body p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.8;}
.checks{list-style:none;margin:18px 0 0;padding:0;}
.checks li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.7;}
.checks li::before{content:"";flex:0 0 6px;width:6px;height:6px;margin-top:11px;background:var(--accent);border-radius:1px;}

/* 使用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.scene-card{overflow:hidden;display:flex;flex-direction:column;}
.scene-card:nth-child(2){margin-top:20px;}
.scene-card:nth-child(3){margin-top:40px;}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line);}
.scene-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.scene-body h3{font-size:18px;font-weight:700;line-height:1.5;}
.scene-body p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.scene-body .link-arrow{margin-top:auto;}

/* 案例 */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.case-card{overflow:hidden;}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line);}
.case-body{padding:26px;}
.case-body h3{font-size:19px;font-weight:700;line-height:1.5;}
.case-body p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.75;}
.stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;padding:34px;
  border-radius:var(--r-card);color:#fff;
  background-color:var(--ink);
  background-image:repeating-linear-gradient(135deg,rgba(198,242,78,.06) 0 2px,transparent 2px 14px);
}
.stat-num{font-size:clamp(32px,3.4vw,40px);font-weight:800;color:var(--accent);line-height:1.15;letter-spacing:-.01em;}
.stat-unit{font-size:14px;font-weight:600;margin-left:6px;color:var(--accent);}
.stat-desc{margin-top:8px;font-size:14px;color:rgba(247,246,241,.78);}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{padding:24px;display:flex;flex-direction:column;gap:12px;min-height:230px;}
.news-title{font-size:17px;font-weight:700;line-height:1.55;}
.news-title a{color:var(--ink);}
.news-title a:hover{color:var(--brand);text-decoration:none;}
.news-summary{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--muted);margin-top:auto;flex-wrap:wrap;}
.news-meta a{font-weight:600;font-size:13.5px;}
.empty-state{
  grid-column:1/-1;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--brand);}
.empty-state p{margin:14px 0 16px;font-size:15px;color:var(--muted);}

/* 服务方案 */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{padding:30px;display:flex;flex-direction:column;}
.plan h3{font-size:19px;font-weight:700;}
.plan-tag{margin-bottom:14px;}
.plan-desc{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.75;}
.plan-list{list-style:none;margin:22px 0 26px;padding:0;display:grid;gap:12px;font-size:14.5px;}
.plan-list li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.plan-list i{color:var(--brand);font-size:12px;margin-top:7px;}
.plan .btn{margin-top:auto;width:100%;}
.plan.featured{
  background:var(--brand-deep);border-color:var(--accent);color:#fff;box-shadow:var(--sd-2);
}
.plan.featured h3,.plan.featured .plan-desc{color:#fff;}
.plan.featured .plan-desc{color:rgba(247,246,241,.82);}
.plan.featured .plan-list li{color:rgba(247,246,241,.92);}
.plan.featured .plan-list i{color:var(--accent);}

/* FAQ */
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;}
.faq-q{
  width:100%;min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 20px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q i{color:var(--brand);font-size:14px;transition:transform .25s ease-out;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{background:var(--bg);max-height:0;overflow:hidden;padding:0 20px;transition:max-height .3s ease-out,padding .3s ease-out;}
.faq-a p{font-size:14.8px;color:var(--muted);line-height:1.8;}
.faq-item.open .faq-a{max-height:280px;padding:18px 20px;}

/* CTA 收口 */
.cta-band{
  padding:64px 0;color:#fff;
  background-color:var(--ink);
  background-image:linear-gradient(rgba(11,42,34,.9),rgba(11,42,34,.9)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-title{font-size:26px;font-weight:700;color:#fff;line-height:1.4;}
.cta-sub{margin-top:10px;font-size:15px;color:rgba(247,246,241,.8);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(247,246,241,.6);}
.cta-actions .btn-ghost:hover{background:var(--accent);color:var(--ink);border-color:var(--accent);}

/* 页脚 */
.footer{background:var(--ink);color:rgba(247,246,241,.8);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;}
.footer h4{font-size:14px;font-weight:700;color:var(--accent);margin-bottom:16px;letter-spacing:.02em;}
.footer-brand{font-size:18px;font-weight:800;color:#fff;line-height:1.4;}
.footer-brand-sub{margin-top:12px;font-size:14px;color:rgba(247,246,241,.7);line-height:1.8;max-width:26em;}
.footer a{display:block;padding:6px 0;font-size:14.5px;color:rgba(247,246,241,.75);}
.footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(247,246,241,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,246,241,.6);
}

/* 响应式 */
@media (max-width:1024px){
  .sidebar{transform:translateX(-100%);transition:transform .25s ease-out;box-shadow:var(--sd-2);}
  .sidebar.open{transform:translateX(0);}
  .shell{margin-left:0;padding-top:60px;}
  .topbar{display:flex;}
  .hero{padding:56px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .value-grid{grid-template-columns:1fr;gap:28px;}
  .panel.active{grid-template-columns:1fr;gap:28px;}
  .panel.reverse .panel-media{order:0;}
  .scene-grid,.news-grid,.plan-grid,.case-grid{grid-template-columns:1fr 1fr;}
  .scene-card:nth-child(2),.scene-card:nth-child(3){margin-top:0;}
  .value-card.wide{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .value-cards{grid-template-columns:1fr;}
  .value-card.wide{grid-column:span 1;}
  .scene-grid,.news-grid,.plan-grid,.case-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;padding:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .plan.featured{order:0;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .hero{padding:44px 0 48px;}
  .h2{font-size:23px;}
  .hero-actions .btn,.cta-actions .btn,.plan .btn{width:100%;}
  .stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-title{font-size:21px;}
}

/* roulang page: category1 */
:root{
  --ink:#0B2A22;
  --brand:#0E5C43;
  --brand-deep:#0A4632;
  --accent:#C6F24E;
  --cta:#FF5A26;
  --cta-hover:#E84713;
  --bg:#F7F6F1;
  --surface:#FFFFFF;
  --line:#E4E2D9;
  --text:#1B2A25;
  --muted:#6B7A74;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(11,42,34,.06);
  --shadow-lg:0 12px 28px -14px rgba(11,42,34,.28);
  --pad-x:clamp(16px,4vw,48px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:4px;}
button{font-family:inherit;font-size:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:6px;
}

/* 布局骨架 */
.layout{display:flex;align-items:flex-start;min-height:100vh;}
.sidebar{
  flex:0 0 248px;
  width:248px;
  background:var(--surface);
  border-right:1px solid var(--line);
  position:sticky;
  top:0;
  height:100vh;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  padding-bottom:18px;
}
.sidebar-brand{
  height:96px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:0 24px;
  border-bottom:1px solid var(--line);
}
.sidebar-brand .logo-cn{
  font-size:19px;
  font-weight:800;
  color:var(--ink);
  line-height:1.2;
  letter-spacing:-.01em;
}
.sidebar-brand .logo-cn span{display:block;}
.sidebar-brand .logo-sub{
  margin-top:6px;
  font-size:12px;
  color:var(--muted);
  letter-spacing:.04em;
}
.sidebar-nav{padding:20px 12px 0;flex:1;}
.nav-title{
  font-size:12px;
  color:var(--muted);
  letter-spacing:.08em;
  padding:14px 10px 8px;
}
.sidebar-nav a{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 12px 0 20px;
  border-radius:8px;
  color:var(--text);
  font-size:15px;
  text-decoration:none;
  transition:background .18s ease-out,color .18s ease-out;
}
.sidebar-nav a:hover{background:#F1F0E9;color:var(--ink);text-decoration:none;}
.sidebar-nav a.active{
  background:var(--bg);
  color:var(--ink);
  font-weight:700;
}
.sidebar-nav a.active::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  bottom:8px;
  width:3px;
  background:var(--accent);
  border-radius:0 2px 2px 0;
}
.sidebar-foot{
  padding:18px 24px 0;
  border-top:1px solid var(--line);
  margin-top:16px;
  font-size:12px;
  line-height:1.7;
  color:var(--muted);
}
.sidebar-foot a{display:block;font-size:12px;color:var(--muted);margin-top:6px;}
.sidebar-foot a:hover{color:var(--brand);}

.main{flex:1;min-width:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:var(--pad-x);padding-right:var(--pad-x);}

/* 移动端顶栏 */
.topbar{display:none;}
.overlay{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(11,42,34,.5);
  z-index:55;
}
.overlay.show{display:block;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn:hover{text-decoration:none;}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--cta);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--cta-hover);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;}
.btn-ghost{background:transparent;color:var(--brand);padding:0 6px;height:auto;}
.btn-ghost:hover{color:var(--brand-deep);}
.btn-ghost i{transition:transform .18s ease-out;}
.btn-ghost:hover i{transform:translateX(3px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* 徽章与编号 */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--bg);
  border:1px solid var(--line);
  color:var(--brand);
  font-size:12px;
  line-height:1;
}
.badge-accent{background:var(--accent);border-color:transparent;color:var(--ink);font-weight:700;}
.stamp{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--accent);
  color:var(--ink);
  font-weight:800;
  font-size:14px;
  display:grid;
  place-items:center;
  flex:none;
}

/* 页头 */
.page-head{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.page-head::before{
  content:"";
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  opacity:.20;
}
.page-head::after{
  content:"";
  position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(198,242,78,.07) 0 2px,transparent 2px 24px);
}
.page-head .inner{position:relative;z-index:1;padding:56px 0 64px;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(247,246,241,.66);
  margin-bottom:26px;
}
.crumb a{color:rgba(247,246,241,.82);}
.crumb a:hover{color:#fff;}
.crumb .sep{opacity:.5;}
.crumb .now{color:#fff;}
.page-head h1{
  font-size:clamp(32px,4vw,44px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  color:#fff;
}
.head-brand{
  display:inline-flex;align-items:center;gap:8px;
  margin-bottom:18px;
  font-size:13px;color:var(--accent);letter-spacing:.06em;
}
.head-brand::before{content:"";width:22px;height:3px;background:var(--accent);border-radius:2px;}
.page-head .lead{
  max-width:820px;
  margin-top:20px;
  font-size:16px;
  line-height:1.85;
  color:rgba(247,246,241,.82);
}

/* 板块 */
.section{padding:88px 0;}
.section-tight{padding-top:0;}
.h2{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
}
.h2::before{
  content:"";
  width:28px;
  height:3px;
  border-radius:2px;
  background:var(--accent);
  flex:none;
}
.section-desc{
  margin-top:14px;
  max-width:720px;
  color:var(--muted);
  font-size:15px;
}
.section-head{margin-bottom:40px;}

/* 概览三格 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);}
.card-pad{padding:26px 24px;}
.card-title{
  display:flex;align-items:center;gap:12px;
  font-size:17px;font-weight:700;color:var(--ink);margin-bottom:10px;
}
.card-text{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* 图文交错行 */
.rows{display:flex;flex-direction:column;}
.row{
  display:grid;
  grid-template-columns:1.02fr 1fr;
  gap:56px;
  align-items:center;
  padding:44px 0;
}
.row + .row{border-top:1px solid var(--line);}
.row-media{position:relative;}
.row-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--line);
}
.row-media figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--muted);
}
.row.reverse .row-media{order:2;}
.row-body h3{
  font-size:22px;
  line-height:1.5;
  font-weight:700;
  color:var(--ink);
  margin-top:14px;
}
.row-body p{margin-top:14px;font-size:15.5px;color:var(--text);}
.points{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.points li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.75;
}
.points li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:6px;
  height:6px;
  background:var(--accent);
}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  min-height:48px;
  padding:14px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:background .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F1F0E9;}
.faq-item summary i{color:var(--brand);transition:transform .2s ease-out;flex:none;font-size:14px;}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-a{
  padding:18px 20px 20px;
  background:var(--bg);
  border-top:1px solid var(--line);
  font-size:14.5px;
  line-height:1.8;
  color:var(--muted);
}

/* CTA 卡 */
.cta-card{
  background:var(--bg);
  border:1.5px solid var(--brand);
  border-radius:var(--r-card);
  padding:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-card h2{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:24px;
  line-height:1.4;
  font-weight:700;
  color:var(--ink);
}
.cta-card h2::before{
  content:"";
  width:28px;
  height:3px;
  border-radius:2px;
  background:var(--accent);
  flex:none;
}
.cta-card p{margin-top:12px;font-size:15px;color:var(--muted);max-width:600px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.footer{
  background:var(--ink);
  color:rgba(247,246,241,.75);
  padding:64px 0 26px;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:40px;
}
.footer-brand{font-size:20px;font-weight:700;color:#fff;margin-bottom:10px;}
.footer-brand-sub{font-size:14px;line-height:1.8;max-width:380px;color:rgba(247,246,241,.7);}
.footer h4{
  font-size:14px;
  font-weight:600;
  color:var(--accent);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer a{
  display:block;
  font-size:14px;
  color:rgba(247,246,241,.75);
  margin-bottom:10px;
}
.footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(247,246,241,.14);
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(247,246,241,.6);
}

/* 响应式 */
@media (max-width:1024px){
  .sidebar{
    position:fixed;
    top:0;
    left:-290px;
    width:268px;
    height:100vh;
    z-index:60;
    box-shadow:var(--shadow-lg);
    transition:left .22s ease-out;
  }
  .sidebar.open{left:0;}
  .topbar{
    display:flex;
    position:sticky;
    top:0;
    z-index:50;
    height:60px;
    align-items:center;
    gap:10px;
    padding:0 16px;
    background:var(--surface);
    border-bottom:1px solid var(--line);
  }
  .menu-btn{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:36px;
    padding:0 12px;
    border:1px solid var(--line);
    border-radius:var(--r-btn);
    background:var(--bg);
    color:var(--ink);
    font-size:14px;
    cursor:pointer;
    transition:background .18s ease-out;
  }
  .menu-btn:hover{background:#F1F0E9;}
  .topbar-brand{
    flex:1;
    text-align:center;
    font-size:15px;
    font-weight:700;
    color:var(--ink);
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .topbar-brand:hover{text-decoration:none;color:var(--ink);}
  .row{gap:36px;}
  .page-head .inner{padding:44px 0 52px;}
}
@media (max-width:900px){
  .grid-3{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .grid-3{grid-template-columns:1fr;}
  .row{grid-template-columns:1fr;gap:24px;padding:36px 0;}
  .row.reverse .row-media{order:0;}
  .h2{font-size:23px;}
  .cta-card{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer{padding:48px 0 22px;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .page-head h1{font-size:29px;}
  .h2{font-size:21px;}
  .row-body h3{font-size:19px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .topbar .btn-sm{padding:0 12px;}
}

/* roulang page: article */
:root{
  --ink:#0B2A22;
  --brand:#0E5C43;
  --brand-deep:#0A4632;
  --accent:#C6F24E;
  --cta:#FF5A26;
  --cta-hover:#E84713;
  --bg:#F7F6F1;
  --surface:#FFFFFF;
  --line:#E4E2D9;
  --text:#1B2A25;
  --muted:#6B7A74;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(11,42,34,.06);
  --shadow-2:0 12px 28px -14px rgba(11,42,34,.28);
  --sidebar-w:248px;
  --topbar-h:60px;
}
*,*::before,*::after{box-sizing:border-box;}
.app-body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
.app-body h1,.app-body h2,.app-body h3,.app-body h4,.app-body p,.app-body figure{margin:0;}
.app-body ul{margin:0;padding:0;list-style:none;}
.app-body a{color:inherit;text-decoration:none;}
.app-body button{font-family:inherit;font-size:inherit;}
.app-body img{display:block;max-width:100%;height:auto;}
.app-body a:focus-visible,.app-body button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

/* ---------- 阅读进度 ---------- */
.read-progress{position:fixed;top:0;left:0;right:0;height:2px;background:rgba(228,226,217,.6);z-index:90;pointer-events:none;}
.read-progress span{display:block;height:100%;width:0;background:var(--accent);transition:width .1s linear;}

/* ---------- 顶栏（移动端） ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:var(--topbar-h);
  background:var(--surface);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;gap:10px;padding:0 14px;z-index:60;
}
.menu-btn{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 12px;
  border:1px solid var(--line);background:var(--bg);border-radius:8px;
  font-size:14px;color:var(--text);cursor:pointer;transition:all .18s ease-out;
}
.menu-btn:hover{background:#F1F0E9;border-color:var(--brand);color:var(--brand);}
.topbar-brand{
  font-weight:800;font-size:15px;color:var(--ink);letter-spacing:-.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;text-align:center;
}

/* ---------- 左侧竖栏 ---------- */
.shell{display:flex;align-items:flex-start;min-height:100vh;}
.sidebar{
  position:sticky;top:0;flex:0 0 var(--sidebar-w);width:var(--sidebar-w);height:100vh;
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;z-index:40;
}
.sidebar-scroll{flex:1;overflow-y:auto;padding-bottom:12px;}
.brand-block{
  height:96px;display:flex;flex-direction:column;justify-content:center;
  padding:0 20px;border-bottom:1px solid var(--line);
}
.brand-name{font-size:17px;font-weight:800;line-height:1.25;color:var(--ink);letter-spacing:-.01em;}
.brand-name:hover{color:var(--brand);}
.brand-sub{font-size:12px;color:var(--muted);margin-top:5px;line-height:1.5;}
.nav{padding:12px;}
.nav-link{
  display:flex;align-items:center;height:44px;padding:0 20px;border-radius:8px;
  font-size:15px;color:var(--text);position:relative;
  transition:background .18s ease-out,color .18s ease-out;
}
.nav-link:hover{background:#F1F0E9;}
.nav-link.is-active{background:#F1F0E9;color:var(--ink);font-weight:600;border-radius:0 8px 8px 0;}
.nav-link.is-active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;background:var(--accent);}
.nav-group-title{padding:20px 20px 8px;font-size:12px;color:var(--muted);letter-spacing:.08em;}
.sidebar-foot{
  margin-top:auto;padding:16px 20px 20px;border-top:1px solid var(--line);
  font-size:12px;color:var(--muted);line-height:1.7;
}
.sidebar-foot a{color:var(--brand);word-break:break-all;}
.sidebar-foot a:hover{text-decoration:underline;text-underline-offset:3px;}
.overlay{
  position:fixed;inset:0;background:rgba(11,42,34,.5);opacity:0;visibility:hidden;
  transition:opacity .2s ease-out;z-index:70;
}
.overlay.is-open{opacity:1;visibility:visible;}

/* ---------- 内容容器 ---------- */
.main{flex:1;min-width:0;padding-bottom:24px;}
.container{max-width:1240px;margin:0 auto;padding:0 48px;}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:all .18s ease-out;
}
.btn-primary{background:var(--cta);color:#fff;}
.btn-primary:hover{background:var(--cta-hover);transform:translateY(-1px);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{height:36px;padding:0 14px;font-size:13px;border-radius:8px;}
.ghost-btn{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;
  border:1px solid var(--line);background:var(--surface);border-radius:8px;
  font-size:14px;color:var(--text);cursor:pointer;transition:all .18s ease-out;
}
.ghost-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--bg);}
.ghost-btn:active{transform:scale(.98);}
.ghost-btn i{font-size:13px;color:var(--muted);}
.ghost-btn:hover i{color:var(--brand);}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--bg);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.01em;
}
.badge-accent{background:var(--accent);color:var(--ink);}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);color:var(--brand);font-size:13px;
}
.tag:hover{border-color:var(--brand);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);padding:28px 0 20px;
}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.breadcrumb .sep{color:#C7C5BA;}
.breadcrumb .current{
  color:var(--text);max-width:44ch;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}

/* ---------- 文章头部 ---------- */
.article-head{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:36px 40px;box-shadow:var(--shadow-1);
}
.article-title{
  font-size:clamp(28px,3.4vw,40px);line-height:1.28;font-weight:800;
  color:var(--ink);letter-spacing:-.01em;margin:16px 0 18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:8px 20px;font-size:14px;color:var(--muted);
  border-top:1px solid var(--line);padding-top:16px;
}
.article-meta time{color:var(--muted);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{font-size:12px;color:#A9B5AF;}
.share-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:32px;
  margin-top:28px;align-items:start;
}
.article-col{display:flex;flex-direction:column;gap:28px;min-width:0;}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:40px;box-shadow:var(--shadow-1);min-width:0;
}
.article-body{
  max-width:780px;margin:0 auto;font-size:17px;line-height:1.9;color:#22332C;
  word-wrap:break-word;overflow-wrap:break-word;
}
.article-body p{margin:1.2em 0;}
.article-body h2{
  position:relative;font-size:28px;line-height:1.35;font-weight:700;color:var(--ink);
  margin:2.2em 0 .9em;padding-left:16px;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;width:3px;height:28px;
  background:var(--accent);border-radius:2px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--ink);margin:1.8em 0 .6em;}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:1.5em 0 .5em;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--brand-deep);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body ul{margin:1.2em 0;padding-left:0;list-style:none;}
.article-body ul>li{position:relative;padding-left:22px;margin:.5em 0;}
.article-body ul>li::before{
  content:"";position:absolute;left:4px;top:.78em;width:6px;height:6px;
  background:var(--accent);border-radius:1px;
}
.article-body ol{margin:1.2em 0;padding-left:1.7em;list-style:decimal;}
.article-body ol>li{margin:.5em 0;padding-left:4px;}
.article-body ol>li::marker{color:var(--brand);font-weight:700;}
.article-body blockquote{
  margin:1.8em 0;padding:18px 22px;background:var(--bg);
  border-left:3px solid var(--accent);border-radius:0 12px 12px 0;color:#38483F;
}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto;}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;line-height:1.6;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;
  display:block;overflow-x:auto;
}
.article-body th{background:var(--ink);color:#fff;padding:11px 14px;text-align:left;font-weight:600;white-space:nowrap;}
.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);line-height:1.7;}
.article-body tr:nth-child(even) td{background:#FBFBF8;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-body code{
  background:var(--bg);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;color:var(--brand-deep);
}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:56px 20px;max-width:520px;margin:0 auto;}
.empty-state i{font-size:40px;color:#D6D4C9;}
.empty-title{font-size:22px;font-weight:700;color:var(--ink);margin:18px 0 8px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:24px;}

/* ---------- 侧栏 ---------- */
.aside-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:24px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-1);
}
.side-card h3{
  display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;
  color:var(--ink);margin-bottom:14px;
}
.side-card h3 i{color:var(--brand);font-size:13px;}
.toc-list{font-size:14px;line-height:1.6;}
.toc-list li{margin-bottom:8px;}
.toc-list li:last-child{margin-bottom:0;}
.toc-list a{
  display:block;padding-left:10px;border-left:2px solid var(--line);color:var(--muted);
  transition:color .18s ease-out,border-color .18s ease-out;
}
.toc-list a:hover{color:var(--brand);border-color:var(--accent);}
.toc-list a.is-active{color:var(--ink);font-weight:600;border-color:var(--accent);}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border:1px solid var(--line);border-radius:8px;
  font-size:14px;color:var(--text);margin-bottom:10px;
  transition:all .18s ease-out;
}
.side-links a:last-child{margin-bottom:0;}
.side-links a:hover{background:var(--bg);border-color:var(--brand);color:var(--brand);}
.side-links i{font-size:12px;color:var(--muted);transition:transform .18s ease-out;}
.side-links a:hover i{transform:translateX(3px);color:var(--brand);}

/* ---------- 标签块 ---------- */
.tag-block{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 22px;box-shadow:var(--shadow-1);
}
.tag-label{font-size:13px;color:var(--muted);margin-right:4px;}

/* ---------- 板块标题 ---------- */
.sec-title{
  position:relative;font-size:22px;font-weight:700;color:var(--ink);
  line-height:1.4;padding-left:14px;margin-bottom:20px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;width:3px;height:24px;
  background:var(--accent);border-radius:2px;
}

/* ---------- 相关推荐卡片 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rec-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D3D1C6;}
.rec-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDEBE4;}
.rec-body{padding:18px 18px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;}
.rec-body p{font-size:14px;color:var(--muted);line-height:1.75;flex:1;}
.rec-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.rec-more i{font-size:12px;transition:transform .18s ease-out;}
.rec-card:hover .rec-more i{transform:translateX(3px);}

/* ---------- CTA 卡 ---------- */
.cta-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  background:var(--surface);border:1px solid var(--brand);border-radius:var(--radius-card);
  padding:30px 34px;box-shadow:var(--shadow-1);
}
.cta-card h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.cta-card p{font-size:14px;color:var(--muted);line-height:1.75;max-width:44ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:rgba(247,246,241,.8);margin-top:80px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{color:#fff;font-size:18px;font-weight:800;margin-bottom:10px;}
.footer-brand-sub{font-size:14px;line-height:1.8;color:rgba(247,246,241,.68);max-width:38ch;}
.footer h4{color:var(--accent);font-size:14px;font-weight:600;margin-bottom:16px;}
.footer a{display:block;font-size:14px;line-height:1.6;color:rgba(247,246,241,.75);margin-bottom:11px;transition:color .18s ease-out;}
.footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  border-top:1px solid rgba(247,246,241,.12);padding:20px 0 30px;
  font-size:13px;color:rgba(247,246,241,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 36px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:26px;}
}
@media (max-width:1023px){
  .topbar{display:flex;}
  .shell{display:block;}
  .sidebar{
    position:fixed;top:0;left:0;height:100%;width:268px;flex:none;
    transform:translateX(-100%);transition:transform .22s ease-out;
    z-index:80;box-shadow:var(--shadow-2);
  }
  .sidebar.is-open{transform:translateX(0);}
  .main{padding-top:var(--topbar-h);}
  .container{padding:0 20px;}
  .read-progress{top:var(--topbar-h);}
  .article-layout{grid-template-columns:1fr;}
  .aside-stack{position:static;top:auto;}
  .article-head{padding:28px 24px;}
  .article-card{padding:28px 24px;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .breadcrumb{padding:20px 0 16px;}
}
@media (max-width:767px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 26px;}
  .footer-brand-sub{max-width:none;}
  .cta-card{padding:24px 20px;}
  .article-title{margin:14px 0 14px;}
}
@media (max-width:640px){
  .app-body{font-size:15px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:22px;padding-left:14px;}
  .article-body h2::before{height:22px;top:.42em;}
  .article-body h3{font-size:18px;}
  .article-card{padding:22px 18px;}
  .article-head{padding:22px 18px;}
  .rec-grid{grid-template-columns:1fr;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .share-row .ghost-btn{flex:1;justify-content:center;}
  .breadcrumb .current{max-width:100%;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .topbar-brand{font-size:14px;}
}

/* roulang page: category2 */
:root{
  --ink:#0B2A22; --brand:#0E5C43; --brand-deep:#0A4632;
  --accent:#C6F24E; --cta:#FF5A26; --cta-deep:#E84713;
  --bg:#F7F6F1; --surface:#FFFFFF; --line:#E4E2D9;
  --text:#1B2A25; --muted:#6B7A74;
  --r-card:14px; --r-btn:10px; --r-img:12px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,42,34,.06);
  --sh-2:0 12px 28px -14px rgba(11,42,34,.28);
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;font-feature-settings:"tnum" 1;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
a:hover{color:var(--brand-deep)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 布局骨架 ---------- */
.layout{display:block}
@media(min-width:1024px){
  .layout{display:grid;grid-template-columns:248px minmax(0,1fr);align-items:start}
}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
@media(max-width:1024px){.container{padding:0 24px}}
@media(max-width:640px){.container{padding:0 16px}}
.main{min-width:0}

/* ---------- 移动顶部栏 ---------- */
.topbar{
  display:flex;align-items:center;gap:12px;height:60px;padding:0 16px;
  position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line);
}
.menu-btn{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 12px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:var(--surface);color:var(--ink);font-size:14px;transition:background-color var(--ease);
}
.menu-btn:hover{background:#F1F0E9}
.topbar-brand{
  margin-right:auto;font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;
}
@media(min-width:1024px){.topbar{display:none}}

/* ---------- 侧栏 ---------- */
.sidebar{display:none}
@media(min-width:1024px){
  .sidebar{
    display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;
    background:var(--surface);border-right:1px solid var(--line);padding:0 16px 20px;
  }
}
.side-brand{padding:24px 4px 20px;border-bottom:1px solid var(--line);margin-bottom:16px}
.side-logo{display:flex;align-items:flex-start;gap:10px;color:var(--ink)}
.logo-stamp{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:8px;background:var(--accent);color:var(--ink);font-size:12px;font-weight:800;
}
.logo-lines{display:block}
.logo-main{display:block;font-size:17px;font-weight:800;line-height:1.3;color:var(--ink);letter-spacing:-.01em}
.logo-sub{display:block;font-size:13px;line-height:1.5;color:var(--muted)}
.side-tag{margin-top:10px;font-size:12px;line-height:1.6;color:var(--muted)}
.side-nav{display:flex;flex-direction:column}
.side-title{margin:8px 0 8px 20px;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--muted)}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;padding:0 14px 0 20px;border-radius:8px;
  font-size:15px;color:var(--text);margin-bottom:2px;
  transition:background-color var(--ease),color var(--ease);
}
.side-link i{width:16px;font-size:14px;text-align:center;color:var(--muted)}
.side-link:hover{background:#F1F0E9;color:var(--ink)}
.side-link.is-active{background:var(--bg);color:var(--ink);font-weight:600}
.side-link.is-active::before{content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;background:var(--accent);border-radius:2px}
.side-link.is-active i{color:var(--brand)}
.side-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:12px;line-height:1.7;color:var(--muted)}
.side-foot a{font-size:12px}
.side-foot p{margin-bottom:4px}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:268px;max-width:86vw;z-index:90;
  display:flex;flex-direction:column;padding:0 16px 20px;overflow-y:auto;
  background:var(--surface);border-right:1px solid var(--line);
  transform:translateX(-102%);transition:transform 220ms ease-out;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 4px;border-bottom:1px solid var(--line)}
.drawer-close{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;
  border:1px solid var(--line);color:var(--ink);transition:background-color var(--ease);
}
.drawer-close:hover{background:#F1F0E9}
.overlay{
  position:fixed;inset:0;z-index:80;background:rgba(11,42,34,.5);
  opacity:0;visibility:hidden;transition:opacity 220ms ease-out,visibility 220ms ease-out;
}
.overlay.open{opacity:1;visibility:visible}
@media(min-width:1024px){.drawer,.overlay{display:none}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;white-space:nowrap;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--cta);color:#fff}
.btn-primary:hover{background:var(--cta-deep);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{height:36px;padding:0 14px;font-size:14px}
@media(max-width:520px){
  .btn{width:100%}
  .btn-sm{width:auto}
}

/* ---------- 面包屑 / 页头 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-top:24px;font-size:14px;color:var(--muted)}
.crumb .sep{color:#B9BFB9}
.crumb .current{color:var(--muted)}
.page-hero{display:grid;gap:32px;padding:28px 0 0}
@media(min-width:1024px){
  .page-hero{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center;padding-top:44px}
}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--accent);color:var(--ink);font-size:12px;font-weight:700;
}
.page-hero h1{
  margin:18px 0 16px;font-size:clamp(30px,3.6vw,42px);font-weight:800;line-height:1.25;
  letter-spacing:-.01em;color:var(--ink);
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:48ch}
.hero-lead + .hero-lead{margin-top:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.hero-facts li{position:relative;padding-left:16px;font-size:14px;color:var(--text)}
.hero-facts li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:1px;background:var(--accent)}
.hero-media{
  margin:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-img);
  background:var(--surface);box-shadow:var(--sh-1);
}
.hero-media img{width:100%;aspect-ratio:16/10}

/* ---------- 板块 ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{margin-bottom:36px}
.sec-title{
  position:relative;padding-left:16px;font-size:28px;font-weight:700;line-height:1.35;
  letter-spacing:-.01em;color:var(--ink);
}
.sec-title::before{content:"";position:absolute;left:0;top:7px;width:3px;height:28px;border-radius:2px;background:var(--accent)}
.sec-desc{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted);max-width:66ch}

/* ---------- 双列大卡 + 索引栏 ---------- */
.content-grid{display:grid;gap:24px;grid-template-columns:minmax(0,1fr)}
@media(min-width:1280px){.content-grid{grid-template-columns:minmax(0,1fr) 300px;gap:32px}}
.card-grid{display:grid;gap:24px;grid-template-columns:minmax(0,1fr)}
@media(min-width:700px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.feature-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);scroll-margin-top:24px;
  transition:box-shadow var(--ease),transform var(--ease);
}
.feature-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.fc-media img{width:100%;aspect-ratio:16/9}
.fc-body{display:flex;flex-direction:column;gap:12px;flex:1;padding:24px}
.fc-head{display:flex;align-items:baseline;gap:10px}
.fc-num{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);font-variant-numeric:tabular-nums}
.fc-body h3{font-size:19px;font-weight:600;line-height:1.5;color:var(--ink)}
.fc-sum{font-size:15px;line-height:1.8;color:var(--muted)}
.fc-list{border-top:1px solid var(--line);margin-top:4px}
.fc-list li{
  position:relative;padding:9px 0 9px 16px;font-size:14px;line-height:1.7;color:var(--text);
  border-bottom:1px solid var(--line);
}
.fc-list li::before{content:"";position:absolute;left:0;top:17px;width:6px;height:6px;border-radius:1px;background:var(--accent)}
.link-more{display:inline-flex;align-items:center;gap:8px;margin-top:auto;padding-top:4px;font-size:14px;font-weight:600;color:var(--brand)}
.link-more i{transition:transform var(--ease)}
.link-more:hover i{transform:translateX(3px)}

.index-card{
  padding:24px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
@media(min-width:1280px){
  .index-card{position:sticky;top:24px;align-self:start}
}
.index-title{margin-bottom:12px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted)}
.index-title.gap{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.index-link{
  display:flex;align-items:baseline;gap:10px;padding:9px 0;font-size:14px;line-height:1.6;color:var(--text);
  border-bottom:1px solid var(--line);
}
.index-link:last-of-type{border-bottom:0}
.index-link span.n{font-size:12px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.index-link:hover{color:var(--brand)}
.index-mail{
  display:flex;align-items:center;gap:8px;margin-top:16px;padding:11px 14px;border-radius:var(--r-btn);
  background:var(--bg);font-size:13px;color:var(--brand-deep);word-break:break-all;
}
.index-mail:hover{background:#EFEEE6}

/* ---------- 深色自查带 ---------- */
.band{
  position:relative;overflow:hidden;padding:36px 28px;border-radius:var(--r-card);
  background:var(--ink);color:#fff;
}
@media(min-width:768px){.band{padding:52px 48px}}
.band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,rgba(255,255,255,0) 2px 16px);
}
.band-inner{position:relative;z-index:1;display:grid;gap:28px}
@media(min-width:900px){.band-inner{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px;align-items:start}}
.band-title{position:relative;padding-left:16px;font-size:26px;font-weight:700;line-height:1.35;color:#fff}
.band-title::before{content:"";position:absolute;left:0;top:7px;width:3px;height:26px;border-radius:2px;background:var(--accent)}
.band-desc{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(247,246,241,.72);max-width:42ch}
.checklist li{
  position:relative;padding:14px 0 14px 22px;font-size:15px;color:rgba(247,246,241,.9);
  border-bottom:1px solid rgba(247,246,241,.16);
}
.checklist li:last-child{border-bottom:0}
.checklist li::before{content:"";position:absolute;left:0;top:22px;width:6px;height:6px;border-radius:1px;background:var(--accent)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{
  margin-bottom:12px;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);transition:box-shadow var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  min-height:48px;padding:15px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q i{font-size:14px;color:var(--brand);transition:transform var(--ease)}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:16px 20px 20px;border-top:1px solid var(--line);background:var(--bg);font-size:15px;line-height:1.85;color:var(--muted)}
.faq-item.open .faq-a{display:block}

/* ---------- 收口 CTA ---------- */
.cta-card{
  display:grid;gap:24px;padding:36px 28px;background:var(--surface);
  border:1px solid var(--brand);border-radius:var(--r-card);box-shadow:var(--sh-1);
}
@media(min-width:768px){
  .cta-card{grid-template-columns:minmax(0,1fr) auto;align-items:center;padding:44px 48px}
}
.cta-title{font-size:26px;font-weight:700;line-height:1.4;color:var(--ink)}
.cta-desc{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted);max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(max-width:520px){.cta-actions{flex-direction:column}}

/* ---------- 页脚 ---------- */
.footer{margin-top:64px;padding:64px 0 24px;background:var(--ink);color:rgba(247,246,241,.8)}
@media(min-width:1024px){.footer{margin-top:96px}}
.footer-grid{display:grid;gap:32px;grid-template-columns:minmax(0,1fr)}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
.footer-brand{margin-bottom:10px;font-size:18px;font-weight:800;color:#fff;letter-spacing:-.01em}
.footer-brand-sub{font-size:14px;line-height:1.8;color:rgba(247,246,241,.7);max-width:36ch}
.footer h4{margin-bottom:16px;font-size:14px;font-weight:600;letter-spacing:.02em;color:var(--accent)}
.footer a{display:block;padding:5px 0;font-size:14px;color:rgba(247,246,241,.75);word-break:break-all}
.footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(247,246,241,.15);font-size:13px;color:rgba(247,246,241,.6);
}

/* ---------- 焦点与动效收敛 ---------- */
@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink:#0B2A22;
  --brand:#0E5C43;
  --brand-deep:#0A4632;
  --accent:#C6F24E;
  --cta:#FF5A26;
  --cta-hover:#E84713;
  --bg:#F7F6F1;
  --surface:#FFFFFF;
  --line:#E4E2D9;
  --text:#1B2A25;
  --muted:#6B7A74;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(11,42,34,.06);
  --shadow-hover:0 12px 28px -14px rgba(11,42,34,.28);
  --sidebar-w:248px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;}

/* ---------- 布局骨架 ---------- */
.app-shell{min-height:100vh;}
.main-col{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;overflow-y:auto;z-index:60;
}
.brand-block{padding:20px 20px 16px;border-bottom:1px solid var(--line);}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:8px;
  background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-line1{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-line2{font-size:13px;font-weight:600;color:var(--brand);letter-spacing:-.01em;}
.brand-sub{margin:10px 0 0;font-size:12px;color:var(--muted);line-height:1.6;}
.nav{padding:16px 12px;flex:1 1 auto;}
.nav-group-title{margin:0 0 8px;padding:0 8px;font-size:12px;color:var(--muted);letter-spacing:.08em;}
.nav-item{
  display:block;position:relative;
  padding:11px 14px;margin-bottom:4px;
  border-radius:8px;font-size:14.5px;color:var(--text);
  transition:background .18s ease-out,color .18s ease-out;
}
.nav-item:hover{background:#F1F0E9;color:var(--ink);}
.nav-item.active{
  background:var(--bg);color:var(--ink);font-weight:600;border-radius:0 8px 8px 0;
}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  background:var(--accent);border-radius:0 3px 3px 0;
}
.sidebar-foot{padding:16px 20px 22px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);}
.sidebar-foot p{margin:0 0 6px;}
.sidebar-foot a{font-size:12px;color:var(--brand);word-break:break-all;}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:70;
  height:60px;align-items:center;gap:12px;
  padding:0 16px;background:var(--surface);border-bottom:1px solid var(--line);
}
.menu-btn{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);color:var(--text);font-size:13.5px;cursor:pointer;
  transition:background .18s ease-out,border-color .18s ease-out;
}
.menu-btn:hover{background:#F1F0E9;border-color:var(--brand);}
.topbar-brand{font-size:15px;font-weight:800;color:var(--ink);margin-right:auto;letter-spacing:-.01em;}
.sidebar-mask{
  display:none;position:fixed;inset:0;background:rgba(11,42,34,.5);z-index:55;
}
.sidebar-mask.show{display:block;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}
.btn-primary{background:var(--cta);color:#fff;}
.btn-primary:hover{background:var(--cta-hover);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;border:1px solid var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-1px);}
.btn:active{transform:scale(.98);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;}
.link-arrow i{transition:transform .18s ease-out;font-size:12px;}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--ink);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:64px 0 56px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(115deg, rgba(198,242,78,.06) 0 2px, transparent 2px 14px),
    linear-gradient(180deg, rgba(11,42,34,.86), rgba(11,42,34,.94));
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(247,246,241,.7);margin-bottom:20px;}
.breadcrumb a{color:rgba(247,246,241,.85);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--accent);color:var(--ink);
  font-size:12px;font-weight:700;letter-spacing:.02em;margin:0 0 16px;
}
.page-hero h1{
  margin:0 0 16px;max-width:16em;
  font-size:clamp(28px,3.6vw,42px);line-height:1.25;font-weight:800;letter-spacing:-.01em;
}
.hero-lead{margin:0;max-width:46em;font-size:15.5px;line-height:1.85;color:rgba(247,246,241,.84);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
  margin-top:40px;padding-top:26px;border-top:1px solid rgba(198,242,78,.28);
}
.hero-strip-item{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(247,246,241,.9);}
.hero-strip-item .strip-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:6px;
  background:rgba(198,242,78,.16);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
}

/* ---------- 板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.sec-title{
  position:relative;margin:0 0 14px;padding-left:16px;
  font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:-.01em;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.28em;width:3px;height:28px;
  background:var(--accent);border-radius:2px;
}
.sec-desc{margin:0;font-size:15.5px;line-height:1.85;color:var(--muted);}
.eyebrow{margin:0 0 10px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.06em;}

/* ---------- 时间线列表 ---------- */
.tl-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);}
.tl-item{
  display:grid;grid-template-columns:62px 140px minmax(0,1fr) 150px;
  gap:24px;align-items:center;
  padding:26px 8px;border-bottom:1px solid var(--line);
  transition:background .18s ease-out;
}
.tl-item:hover{background:#FCFCF8;}
.tl-num{font-size:22px;font-weight:800;color:var(--brand);letter-spacing:.02em;}
.tl-thumb img{width:140px;height:88px;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);}
.tl-body h3{margin:0 0 6px;font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);}
.tl-body p{margin:0;font-size:14px;line-height:1.8;color:var(--muted);}
.tl-link{justify-self:end;}

/* ---------- 深色状态对照 ---------- */
.band-dark{
  position:relative;overflow:hidden;color:#fff;
  background-color:var(--brand-deep);
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.band-dark::before{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(115deg, rgba(198,242,78,.06) 0 2px, transparent 2px 16px),
    linear-gradient(180deg, rgba(10,70,50,.92), rgba(11,42,34,.95));
}
.band-dark .container{position:relative;z-index:1;}
.band-dark .sec-title{color:#fff;}
.band-dark .sec-desc{color:rgba(247,246,241,.78);}
.state-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:8px;}
.state-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(198,242,78,.22);
  border-radius:var(--r-card);padding:22px 20px;
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.state-card:hover{transform:translateY(-2px);border-color:rgba(198,242,78,.5);}
.state-led{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--accent);font-weight:700;}
.state-led::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(198,242,78,.16);}
.state-card h3{margin:14px 0 8px;font-size:16px;font-weight:600;color:#fff;}
.state-card p{margin:0;font-size:13.5px;line-height:1.8;color:rgba(247,246,241,.78);}

/* ---------- 自查要点卡片 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.check-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.check-icon{
  width:40px;height:40px;border-radius:10px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:16px;
}
.check-card h3{margin:0 0 8px;font-size:17px;font-weight:600;color:var(--ink);}
.check-card p{margin:0;font-size:14px;line-height:1.8;color:var(--muted);}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:flow;}
.flow-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--shadow-sm);
}
.flow-item .flow-no{
  display:inline-block;font-size:13px;font-weight:800;color:var(--ink);
  background:var(--accent);border-radius:6px;padding:2px 8px;margin-bottom:14px;
}
.flow-item h3{margin:0 0 8px;font-size:16px;font-weight:600;color:var(--ink);}
.flow-item p{margin:0;font-size:14px;line-height:1.8;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:48px;padding:14px 22px;background:none;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);text-align:left;line-height:1.6;
  transition:background .18s ease-out;
}
.faq-q:hover{background:#F1F0E9;}
.faq-q i{color:var(--brand);transition:transform .2s ease-out;font-size:14px;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--ink);}
.faq-a{display:none;padding:0 22px 20px;background:var(--bg);}
.faq-item.open .faq-a{display:block;}
.faq-a p{margin:16px 0 0;font-size:14.5px;line-height:1.85;color:var(--text);}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 96px;}
.cta-card{
  background:var(--surface);border:1px solid var(--brand);border-radius:var(--r-card);
  padding:40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-sm);
}
.cta-card h2{margin:0 0 10px;font-size:24px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.cta-card p{margin:0;max-width:52em;font-size:14.5px;line-height:1.85;color:var(--muted);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:rgba(247,246,241,.8);padding:64px 0 28px;margin-top:auto;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;}
.footer-brand{margin:0 0 12px;font-size:18px;font-weight:800;color:#fff;letter-spacing:-.01em;}
.footer-brand-sub{margin:0;font-size:13.5px;line-height:1.85;color:rgba(247,246,241,.68);max-width:32em;}
.footer h4{margin:0 0 14px;font-size:14px;font-weight:700;color:var(--accent);}
.footer a{display:block;font-size:14px;color:rgba(247,246,241,.75);margin-bottom:10px;word-break:break-all;}
.footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(247,246,241,.16);
  font-size:12.5px;color:rgba(247,246,241,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 32px;}
}
@media (max-width:1024px){
  :root{--sidebar-w:268px;}
  .sidebar{transform:translateX(-100%);transition:transform .22s ease-out;box-shadow:0 12px 28px -14px rgba(11,42,34,.28);}
  .sidebar.open{transform:translateX(0);}
  .main-col{margin-left:0;}
  .topbar{display:flex;}
  .section{padding:64px 0;}
  .state-grid,.check-grid,.flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tl-item{grid-template-columns:56px 128px minmax(0,1fr);gap:20px;}
  .tl-link{grid-column:3;justify-self:start;}
  .tl-thumb img{width:128px;height:80px;}
}
@media (max-width:900px){
  .tl-item{grid-template-columns:52px minmax(0,1fr);gap:16px;align-items:start;}
  .tl-num{grid-row:1;grid-column:1;}
  .tl-thumb{grid-row:1;grid-column:2;}
  .tl-thumb img{width:100%;max-width:320px;height:150px;}
  .tl-body{grid-row:2;grid-column:2;}
  .tl-link{grid-row:3;grid-column:2;justify-self:start;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .page-hero{padding:44px 0 40px;}
  .page-hero h1{max-width:none;}
  .hero-strip{grid-template-columns:1fr;gap:12px;padding-top:22px;}
  .section{padding:52px 0;}
  .section-tight{padding:44px 0;}
  .state-grid,.check-grid,.flow{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-card{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .faq-q{padding:14px 18px;font-size:15px;}
  .faq-a{padding:0 18px 18px;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .hero-lead{font-size:14.5px;}
  .tl-thumb img{height:190px;}
  .btn{width:100%;}
  .topbar .btn{width:auto;flex:0 0 auto;}
  .sidebar-foot{padding-bottom:30px;}
}