/* roulang page: index */
:root{
  --brand:#12564A;
  --brand-deep:#0C3F36;
  --brand-light:#E1EFEA;
  --accent:#F2681F;
  --accent-deep:#D95512;
  --lime:#C7F26B;
  --ink:#16211E;
  --muted:#4A5652;
  --line:#E4E2DA;
  --page:#F7F6F2;
  --alt:#EFF3F0;
  --card:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-tag:6px;
  --shadow-soft:0 1px 2px rgba(16,33,30,.06);
  --shadow-card:0 8px 24px -12px rgba(16,33,30,.18);
  --shadow-lift:0 16px 32px -16px rgba(16,33,30,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  background:var(--page);
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:3px solid rgba(18,86,74,.28);
  outline-offset:2px;
  border-radius:6px;
}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

.wrap{max-width:1200px;margin:0 auto;padding:0 16px;width:100%;}
@media (min-width:768px){.wrap{padding:0 24px;}}
@media (min-width:1024px){.wrap{padding:0 32px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-deep);color:#fff;font-size:12px;line-height:36px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-left{display:flex;gap:18px;align-items:center;color:rgba(255,255,255,.86);}
.topbar-left span::before{content:"";display:inline-block;width:5px;height:5px;border-radius:1px;background:var(--lime);margin-right:7px;vertical-align:middle;}
.topbar-links{display:flex;gap:16px;}
.topbar-links a{color:rgba(255,255,255,.9);transition:color .2s var(--ease);}
.topbar-links a:hover{color:var(--lime);}
@media (max-width:640px){.topbar-left span:nth-child(2){display:none;}}

/* ---------- 主导航 ---------- */
.site-header{
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  position:sticky;
  top:0;
  z-index:60;
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:72px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:18px;letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap;}
.logo-text small{font-size:11px;color:var(--muted);letter-spacing:.04em;}
@media (max-width:1180px){.logo-text strong{font-size:15px;}}

.nav-search{
  flex:1 1 auto;max-width:540px;position:relative;
  display:flex;align-items:center;
  height:44px;background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:0 6px 0 16px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,86,74,.14),var(--shadow-soft);
}
.nav-search svg{width:18px;height:18px;color:var(--brand);flex-shrink:0;}
.nav-search input{
  flex:1;border:0;background:transparent;height:42px;
  padding:0 12px;font-size:14.5px;color:var(--ink);
}
.nav-search input::placeholder{color:#8E9A96;}
.nav-search input:focus{outline:none;}
.nav-search button{
  width:36px;height:36px;border-radius:9px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s var(--ease);
}
.nav-search button svg{color:var(--brand);width:16px;height:16px;}
.nav-search button:hover{background:var(--brand);}
.nav-search button:hover svg{color:#fff;}

.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex-shrink:0;}
.nav-link{font-size:14.5px;color:var(--muted);transition:color .2s var(--ease);border-bottom:1px solid transparent;}
.nav-link:hover{color:var(--brand);border-bottom-color:var(--brand);}
.hamburger{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  border-radius:10px;align-items:center;justify-content:center;background:#fff;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
.search-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  align-items:center;justify-content:center;background:#fff;
}
.search-toggle svg{width:18px;height:18px;color:var(--brand);}

@media (max-width:1023px){
  .nav-search{display:none;}
  .nav-actions{display:none;}
  .search-toggle{display:flex;margin-left:auto;}
  .hamburger{display:flex;}
  .mobile-search{
    display:none;border-top:1px solid var(--line);padding:12px 0;background:#fff;
  }
  .mobile-search.is-open{display:block;}
}
.mobile-search{display:none;}

/* ---------- 分类 chips ---------- */
.chips-row{
  display:flex;gap:10px;align-items:center;
  padding:0 16px 12px;overflow-x:auto;scrollbar-width:none;
}
.chips-row::-webkit-scrollbar{display:none;}
@media (min-width:768px){.chips-row{padding:0 24px 14px;}}
@media (min-width:1024px){.chips-row{padding:0 32px 14px;}}
.chip{
  flex:0 0 auto;font-size:13.5px;line-height:1;
  padding:9px 15px;border-radius:999px;
  background:var(--alt);color:var(--muted);
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{background:var(--brand-light);color:var(--brand);border-color:rgba(18,86,74,.18);}
.chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(12,63,54,.42);
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;width:280px;height:100%;
  background:#fff;padding:22px 20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s var(--ease);
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-title{font-size:13px;color:var(--muted);letter-spacing:.06em;margin-bottom:10px;}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:10px;
  font-size:15px;color:var(--ink);margin-bottom:6px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:var(--brand-light);color:var(--brand);}
.drawer-nav a.is-active{background:var(--brand);color:#fff;}
.drawer-contact{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted);line-height:2;}
.drawer-close{
  position:absolute;top:16px;right:18px;width:34px;height:34px;border-radius:9px;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--muted);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-soft);}
.btn-primary:hover{background:var(--accent-deep);box-shadow:var(--shadow-card);}
.btn-outline{background:transparent;color:var(--brand);border:1px solid var(--brand);}
.btn-outline:hover{background:var(--brand-light);}
.btn-solid{background:var(--brand);color:#fff;}
.btn-solid:hover{background:var(--brand-deep);box-shadow:var(--shadow-card);}
.btn-pill{border-radius:999px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand);
  border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-arrow:hover{color:var(--accent);border-bottom-color:var(--accent);}

/* ---------- 通用区块 ---------- */
.section{padding:48px 0;}
@media (min-width:768px){.section{padding:64px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-alt{background:var(--alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);margin-bottom:12px;
}
.kicker::before{content:"";width:20px;height:3px;background:var(--brand);border-radius:2px;}
h2{font-size:22px;line-height:1.35;font-weight:700;}
@media (min-width:768px){h2{font-size:28px;}}
h3{font-size:17.5px;line-height:1.5;font-weight:700;}
.section-sub{font-size:15px;color:var(--muted);margin-top:10px;max-width:640px;line-height:1.85;}
@media (min-width:768px){.section-sub{font-size:15.5px;}}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line);}
.hero-stripes{
  position:absolute;top:0;right:0;width:52%;height:280px;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(18,86,74,.055) 0 2px,transparent 2px 11px);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(225,239,234,0) 0%,rgba(225,239,234,.75) 100%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-top:44px;padding-bottom:52px;
}
@media (min-width:1024px){
  .hero-inner{grid-template-columns:6fr 6fr;gap:56px;padding-top:72px;padding-bottom:88px;align-items:center;}
}
.badge-lime{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--ink);
  background:var(--lime);border-radius:var(--radius-tag);
  padding:6px 11px;letter-spacing:.02em;
}
h1{font-size:28px;line-height:1.3;font-weight:700;margin-top:18px;}
@media (min-width:768px){h1{font-size:34px;}}
.hero-sub{font-size:16px;color:var(--muted);margin-top:16px;line-height:1.9;max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.trust-row{
  display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:34px;
  padding-top:24px;border-top:1px solid var(--line);
}
.trust-row li{display:flex;flex-direction:column;gap:2px;}
.trust-row .num{font-size:24px;font-weight:700;color:var(--brand);line-height:1.3;}
.trust-row span:last-child{font-size:13px;color:var(--muted);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.float-card{
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-lift);padding:14px 16px;margin-top:-26px;margin-left:20px;margin-right:20px;
  position:relative;z-index:3;
}
@media (min-width:1024px){
  .float-card{
    position:absolute;right:-14px;bottom:-24px;margin:0;max-width:290px;
  }
}
.float-icon{
  width:38px;height:38px;border-radius:10px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.float-icon svg{width:19px;height:19px;color:var(--brand);}
.float-card p{font-size:13.5px;line-height:1.6;color:var(--ink);}
.float-card small{font-size:12px;color:var(--muted);display:block;}
.float-card .arrow{margin-left:auto;color:var(--brand);font-size:16px;}

/* ---------- 功能分组 ---------- */
.func-row{display:grid;grid-template-columns:1fr;gap:32px;align-items:start;}
.func-row + .func-row{margin-top:56px;}
@media (min-width:1024px){
  .func-row{grid-template-columns:4fr 8fr;gap:48px;}
  .func-row.reverse{grid-template-columns:8fr 4fr;}
  .func-row.reverse .func-intro{order:2;}
  .func-row.reverse .func-grid{order:1;}
}
.func-intro h2{margin-bottom:14px;}
.func-intro p{font-size:15.5px;color:var(--muted);line-height:1.9;}
.func-intro .btn{margin-top:22px;}
.func-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.func-grid{grid-template-columns:1fr 1fr;}}
.func-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.func-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(18,86,74,.3);}
.func-ico{
  width:38px;height:38px;border-radius:10px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.func-ico svg{width:19px;height:19px;color:var(--brand);}
.func-card h3{margin-bottom:8px;}
.func-card p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.func-card .more{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13.5px;font-weight:600;color:var(--brand);
}
.func-card:hover .more{color:var(--accent);}

/* ---------- 使用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.scene-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){
  .scene-grid{grid-template-columns:repeat(3,1fr);}
  .scene-grid > .scene-card:nth-child(2){transform:translateY(24px);}
  .scene-grid > .scene-card:nth-child(2):hover{transform:translateY(22px);}
}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(18,86,74,.3);}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .25s var(--ease);}
.scene-card:hover img{transform:scale(1.03);}
.scene-body{padding:22px;}
.scene-body h3{margin-bottom:10px;}
.scene-body p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.scene-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.scene-list li{font-size:13.5px;color:var(--muted);display:flex;gap:8px;align-items:flex-start;}
.scene-list li::before{
  content:"";width:6px;height:6px;border-radius:1px;background:var(--brand);
  margin-top:9px;flex-shrink:0;
}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.case-grid{grid-template-columns:1fr 1fr;}}
.case-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(18,86,74,.3);}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);margin-bottom:18px;}
.case-tag{
  display:inline-block;font-size:12px;font-weight:600;
  background:var(--brand-light);color:var(--brand);
  border-radius:var(--radius-tag);padding:5px 9px;margin-bottom:12px;
}
.case-card h3{margin-bottom:10px;}
.case-card p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.stats-bar{
  margin-top:24px;background:var(--brand);color:#fff;border-radius:var(--radius-card);
  padding:30px 26px;display:grid;grid-template-columns:1fr;gap:14px;align-items:center;
}
@media (min-width:768px){.stats-bar{grid-template-columns:auto 1fr;gap:36px;padding:34px 40px;}}
.stats-bar .big{font-size:40px;font-weight:700;line-height:1.1;color:var(--lime);}
.stats-bar p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.9);max-width:720px;}

/* ---------- 方案 ---------- */
.plan-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:start;}
@media (min-width:1024px){.plan-grid{grid-template-columns:repeat(3,1fr);gap:20px;}}
.plan-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;position:relative;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(18,86,74,.3);}
.plan-featured{
  border-color:rgba(18,86,74,.35);box-shadow:var(--shadow-card);
  padding-top:34px;
}
@media (min-width:1024px){
  .plan-featured{transform:translateY(-16px);padding:44px 26px 30px;}
  .plan-featured:hover{transform:translateY(-18px);}
}
.plan-featured::before{
  content:"";position:absolute;top:0;left:0;right:0;height:5px;
  background:var(--accent);border-radius:var(--radius-card) var(--radius-card) 0 0;
}
.plan-badge{
  position:absolute;top:-13px;left:22px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  padding:5px 10px;border-radius:var(--radius-tag);
}
.plan-name{font-size:15px;font-weight:700;color:var(--ink);}
.plan-desc{font-size:13.5px;color:var(--muted);margin-top:8px;line-height:1.8;min-height:48px;}
.plan-price{display:flex;align-items:baseline;gap:6px;margin:18px 0 6px;}
.plan-price .amount{font-size:38px;font-weight:700;color:var(--accent);line-height:1.1;letter-spacing:-.01em;}
.plan-price .unit{font-size:13.5px;color:var(--muted);}
.plan-features{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.plan-features li{font-size:14px;color:var(--muted);display:flex;gap:9px;align-items:flex-start;line-height:1.75;}
.plan-features li::before{
  content:"";width:6px;height:6px;border-radius:1px;background:var(--brand);margin-top:9px;flex-shrink:0;
}
.plan-card .btn{margin-top:24px;}

/* ---------- 最新信息 ---------- */
.filter-chips{display:flex;gap:10px;flex-wrap:wrap;}
.filter-chips button{
  font-size:13px;padding:7px 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--muted);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.filter-chips button:hover{color:var(--brand);border-color:rgba(18,86,74,.3);}
.filter-chips button.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
.news-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.news-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(18,86,74,.3);}
.tag{
  display:inline-block;font-size:12px;font-weight:600;line-height:1;
  padding:5px 9px;border-radius:var(--radius-tag);
  background:var(--brand-light);color:var(--brand);align-self:flex-start;
}
.tag-lime{background:var(--lime);color:var(--ink);}
.news-card h3{margin-top:14px;font-size:16.5px;line-height:1.55;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{font-size:14px;color:var(--muted);line-height:1.85;margin-top:10px;}
.news-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);
}
.news-meta .arrow{margin-left:auto;color:var(--brand);font-weight:700;transition:transform .2s var(--ease);}
.news-card:hover .news-meta .arrow{transform:translateX(3px);}
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:40px 24px;text-align:center;
}
.empty-state svg{width:34px;height:34px;color:var(--brand);}
.empty-state p{font-size:14.5px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;justify-content:space-between;
  padding:20px 0;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-sign{
  flex-shrink:0;width:24px;height:24px;border-radius:6px;background:var(--alt);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;color:var(--brand);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-sign{background:var(--brand);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;padding-left:0;
  transition:max-height .3s var(--ease),padding .3s var(--ease),border-color .3s var(--ease);
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a{
  max-height:360px;padding:0 0 20px 16px;border-left-color:var(--brand);
}
.faq-a p{font-size:15px;color:var(--muted);line-height:1.9;max-width:820px;}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--brand-deep);color:#fff;}
.cta-inner{
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  padding:48px 0;
}
@media (min-width:1024px){
  .cta-inner{grid-template-columns:7fr 5fr;padding:64px 0;gap:40px;}
}
.cta-inner h2{color:#fff;}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.86);margin-top:12px;line-height:1.9;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media (min-width:1024px){.cta-actions{justify-content:flex-end;}}
.btn-ghost{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.82);font-size:13.5px;}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding:52px 0 36px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:4fr 2.5fr 2.5fr 3fr;gap:40px;}}
.footer-brand .logo-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text small{color:rgba(255,255,255,.6);}
.footer-brand p{margin-top:16px;line-height:1.9;color:rgba(255,255,255,.72);max-width:300px;}
.footer-brand .btn{margin-top:20px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{color:rgba(255,255,255,.78);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{line-height:1.9;margin-bottom:10px;color:rgba(255,255,255,.78);}
.qr-box{
  width:96px;height:96px;border-radius:10px;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.6);
  margin-top:14px;text-align:center;padding:8px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.68);}
.footer-bottom a:hover{color:var(--accent);}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#12564A;
  --brand-dark:#0C3F36;
  --brand-light:#E1EFEA;
  --accent:#F2681F;
  --accent-dark:#D9560F;
  --lime:#C7F26B;
  --ink:#16211E;
  --muted:#4A5652;
  --line:#E4E2DA;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --alt:#EFF3F0;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,33,30,.06);
  --shadow-2:0 8px 24px -12px rgba(16,33,30,.18);
  --shadow-3:0 16px 32px -16px rgba(16,33,30,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.7;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--accent);}
button,input{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(18,86,74,.18);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:768px){.wrap{padding:0 16px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-dark);color:#D6E6E1;font-size:12px;}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;flex-wrap:wrap;}
.topbar-left{display:flex;gap:18px;flex-wrap:wrap;}
.topbar-right{display:flex;gap:18px;}
.topbar a{color:#D6E6E1;}
.topbar a:hover{color:var(--lime);}
@media (max-width:640px){.topbar-left span:last-child{display:none;}}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);}
.header-main{padding:12px 0;}
.header-grid{display:flex;align-items:center;gap:24px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:38px;height:38px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;letter-spacing:0;}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-text strong{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:0;}
.logo-text small{font-size:11px;color:var(--muted);letter-spacing:.06em;}
.nav-search{position:relative;flex:1 1 auto;max-width:540px;margin:0 auto;}
.nav-search input{
  width:100%;height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;
  padding:0 54px 0 46px;font-size:14px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search input::placeholder{color:#8B948F;}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,86,74,.14);}
.nav-search__icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--brand);pointer-events:none;}
.nav-search__btn{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:34px;height:34px;border:0;border-radius:10px;background:var(--brand);color:#fff;
  display:grid;place-items:center;cursor:pointer;
  transition:background .2s var(--ease);
}
.nav-search__btn:hover{background:var(--brand-dark);}
.nav-search__btn svg{width:16px;height:16px;}
.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.nav-link{font-size:14px;font-weight:500;color:var(--muted);padding:6px 2px;}
.nav-link:hover{color:var(--brand);}
.nav-mobile{display:none;align-items:center;gap:8px;}
.icon-btn{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand);
  display:grid;place-items:center;cursor:pointer;transition:background .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{background:var(--brand-light);border-color:rgba(18,86,74,.3);}
.icon-btn svg{width:20px;height:20px;}
.mobile-search-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0;}
.mobile-search-panel.is-open{display:block;}
@media (max-width:1023px){
  .nav-search,.nav-actions{display:none;}
  .nav-mobile{display:flex;}
}

/* ---------- 分类 chips 行 ---------- */
.chips-row{background:#fff;border-bottom:1px solid var(--line);}
.chips-row .wrap{
  display:flex;align-items:center;gap:10px;
  padding-top:10px;padding-bottom:10px;overflow-x:auto;scrollbar-width:none;
}
.chips-row .wrap::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:var(--alt);color:var(--muted);font-size:13px;font-weight:500;white-space:nowrap;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{background:var(--brand-light);color:var(--brand);border-color:rgba(18,86,74,.3);}
.chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,63,54,.42);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;width:280px;height:100%;background:#fff;z-index:80;
  padding:20px;overflow-y:auto;box-shadow:-12px 0 32px rgba(16,33,30,.16);
  transform:translateX(100%);transition:transform .24s var(--ease);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:14px;font-weight:700;color:var(--ink);}
.drawer-nav{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 12px;border-radius:10px;font-size:14px;color:var(--ink);
}
.drawer-nav a:hover{background:var(--brand-light);color:var(--brand);}
.drawer-info{font-size:13px;color:var(--muted);line-height:1.9;border-top:1px solid var(--line);padding-top:16px;}
body.no-scroll{overflow:hidden;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--brand);padding:0 6px;height:auto;}
.btn-ghost:hover{color:var(--accent);}
.btn-sm{height:38px;padding:0 18px;font-size:13px;}
.btn-pill{border-radius:999px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);padding:22px 0 6px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:#B6BDB9;}

/* ---------- 文章布局 ---------- */
.article-shell{padding-bottom:72px;}
.article-layout{display:block;}
@media (min-width:1024px){
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
}
.article-main{max-width:820px;}

.article-head{padding-bottom:4px;}
.article-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:6px;
  background:var(--lime);color:var(--ink);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.article-title{
  font-size:34px;line-height:1.3;font-weight:700;letter-spacing:0;color:var(--ink);
  margin:14px 0 0;max-width:820px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;padding-bottom:20px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C4C9C6;}
@media (max-width:768px){
  .article-title{font-size:26px;}
}

/* ---------- 正文 ---------- */
.article-body{padding-top:30px;font-size:16.5px;line-height:1.9;color:var(--ink);}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:28px;line-height:1.35;font-weight:700;
  margin:2em 0 .8em;padding-left:18px;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.36em;width:3px;height:20px;
  background:var(--brand);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:700;margin:1.7em 0 .6em;}
.article-body h4{font-size:17px;line-height:1.5;font-weight:700;margin:1.5em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em;}
.article-body ul{list-style:none;}
.article-body ul li{position:relative;}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.72em;width:7px;height:7px;
  background:var(--brand);border-radius:2px;
}
.article-body li{margin:.4em 0;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;background:#F1F7F4;
  border-left:3px solid var(--accent);border-radius:0 10px 10px 0;color:#22302C;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.6em auto;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figure img{margin:0 auto;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{background:var(--brand-light);color:var(--ink);font-weight:600;}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
.article-body td{color:var(--muted);}
.article-body tbody tr:nth-child(even){background:#FAFBFA;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--accent);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
@media (max-width:768px){
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{font-size:22px;padding-left:14px;}
  .article-body h2::before{height:16px;top:.4em;}
}

/* ---------- 标签 ---------- */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:6px;
  background:var(--alt);color:var(--muted);font-size:12px;font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:var(--brand-light);color:var(--brand);}
.tag.tag-glow{background:var(--lime);color:var(--ink);}

/* ---------- 上一篇 / 下一篇 ---------- */
.post-nav{display:grid;gap:16px;margin-top:32px;}
@media (min-width:640px){.post-nav{grid-template-columns:1fr 1fr;}}
.post-nav-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-nav-card:hover{
  transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(18,86,74,.3);color:inherit;
}
.post-nav-card .label{font-size:12px;color:var(--muted);display:block;}
.post-nav-card .title{font-size:15px;font-weight:600;color:var(--ink);margin-top:8px;line-height:1.55;}
.post-nav-card:hover .title{color:var(--brand);}

/* ---------- 相关推荐 ---------- */
.related{margin-top:64px;padding-top:32px;border-top:1px solid var(--line);}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.related-head h2{font-size:22px;font-weight:700;margin:0;color:var(--ink);}
.related-head .more{font-size:13px;color:var(--muted);}
.related-grid{display:grid;gap:24px;grid-template-columns:1fr;}
@media (min-width:640px){.related-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}

.info-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;height:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(18,86,74,.3);color:inherit;}
.info-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--alt);}
.info-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.info-card:hover .info-card__media img{transform:scale(1.03);}
.info-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.info-card__tag{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:6px;background:var(--brand-light);color:var(--brand);font-size:12px;font-weight:600;
}
.info-card__title{
  font-size:16px;font-weight:700;line-height:1.5;color:var(--ink);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card__desc{
  font-size:13.5px;line-height:1.75;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card__meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);
}

/* ---------- 返回入口条 ---------- */
.back-strip{
  margin-top:48px;padding:20px 24px;border-radius:14px;
  background:var(--brand-light);border:1px solid rgba(18,86,74,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.back-strip p{margin:0;font-size:14px;color:var(--brand-dark);}

/* ---------- 侧栏 ---------- */
.article-side{display:none;}
@media (min-width:1024px){
  .article-side{display:block;position:sticky;top:96px;}
}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:20px;margin-bottom:20px;box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--ink);margin:0 0 14px;
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.hot-list{list-style:none;margin:0;padding:0;}
.hot-list li+li{border-top:1px dashed var(--line);}
.hot-list a{display:flex;align-items:flex-start;gap:10px;padding:11px 0;font-size:14px;color:var(--ink);line-height:1.55;}
.hot-list a:hover{color:var(--brand);}
.hot-list .num{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;background:var(--alt);color:var(--muted);
  font-size:12px;font-weight:600;display:grid;place-items:center;margin-top:1px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.hot-list a:hover .num{background:var(--brand);color:#fff;}
.side-cta{background:var(--brand);border-color:var(--brand);color:#E4F0EC;}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.18);}
.side-cta p{margin:0 0 16px;font-size:13.5px;line-height:1.8;color:#C9E0DA;}
.side-cta .btn{width:100%;}
.side-note{font-size:12.5px;color:var(--muted);line-height:1.8;margin:14px 0 0;}

/* ---------- 空态 ---------- */
.article-empty{
  margin:36px 0 0;padding:48px 28px;background:#fff;border:1px solid var(--line);
  border-radius:14px;text-align:center;min-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
}
.article-empty svg{width:44px;height:44px;color:var(--brand);}
.article-empty h2{font-size:20px;font-weight:700;margin:0;color:var(--ink);}
.article-empty p{margin:0;font-size:14.5px;color:var(--muted);max-width:460px;line-height:1.8;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand);color:#D9E7E3;margin-top:80px;padding:56px 0 0;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;}}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text small{color:#9FC4BB;}
.footer-brand .logo-mark{background:#fff;color:var(--brand);}
.footer-brand p{font-size:13.5px;line-height:1.85;color:#BBD3CD;margin:16px 0 18px;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 14px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:#BBD3CD;}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{font-size:13.5px;color:#BBD3CD;line-height:1.7;}
.qr-box{
  margin-top:14px;width:96px;height:96px;border-radius:10px;
  border:1px dashed rgba(255,255,255,.35);display:grid;place-items:center;
  font-size:12px;color:#9FC4BB;
}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0 24px;display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;font-size:12.5px;color:#9FC4BB;
}
.footer-bottom a{color:#9FC4BB;}
.footer-bottom a:hover{color:var(--accent);}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
    --green:#12564A;
    --green-dark:#0C3F36;
    --green-light:#E1EFEA;
    --orange:#F2681F;
    --orange-dark:#D9560F;
    --lime:#C7F26B;
    --ink:#16211E;
    --muted:#4A5652;
    --line:#E4E2DA;
    --bg:#F7F6F2;
    --card:#FFFFFF;
    --alt:#EFF3F0;
    --r-card:14px;
    --r-img:12px;
    --r-btn:10px;
    --r-tag:6px;
    --sh-1:0 1px 2px rgba(16,33,30,.06);
    --sh-2:0 8px 24px -12px rgba(16,33,30,.18);
    --sh-3:0 16px 32px -16px rgba(16,33,30,.22);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16.5px;
    line-height:1.9;
    color:var(--ink);
    background:var(--bg);
    font-feature-settings:"tnum" 1;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input{font:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:3px solid rgba(18,86,74,.35);outline-offset:2px;border-radius:6px;}

  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
  @media (min-width:640px){ .wrap{padding:0 24px;} }
  @media (min-width:1280px){ .wrap{padding:0 32px;} }

  /* ---------- 顶部信息条 ---------- */
  .topbar{background:var(--green-dark);color:#fff;font-size:12px;}
  .topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
  .topbar-inner > span{color:rgba(255,255,255,.8);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .topbar-links{display:flex;gap:18px;flex-shrink:0;}
  .topbar-links a{color:rgba(255,255,255,.78);transition:color .2s var(--ease);}
  .topbar-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
  @media (max-width:520px){ .topbar-inner > span{display:none;} .topbar-inner{justify-content:flex-end;} }

  /* ---------- 主导航 ---------- */
  .site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60;box-shadow:var(--sh-1);}
  .header-inner{display:flex;align-items:center;gap:20px;min-height:72px;padding-top:10px;padding-bottom:10px;}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:38px;height:38px;border-radius:10px;background:var(--green);color:#fff;
    display:grid;place-items:center;font-size:18px;font-weight:700;flex-shrink:0;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.25;}
  .logo-text strong{font-size:15px;font-weight:700;color:var(--ink);white-space:nowrap;}
  .logo-text small{font-size:11px;color:var(--muted);letter-spacing:.02em;white-space:nowrap;}
  @media (max-width:520px){ .logo-mark{width:34px;height:34px;font-size:16px;} .logo-text strong{font-size:13.5px;} .logo-text small{display:none;} }

  .search-box{
    flex:1 1 auto;max-width:540px;height:44px;display:flex;align-items:center;gap:10px;
    background:#fff;border:1px solid var(--line);border-radius:999px;padding:0 6px 0 18px;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .search-box:focus-within{border-color:var(--green);box-shadow:0 0 0 4px rgba(18,86,74,.16);}
  .search-box svg{flex-shrink:0;color:var(--green);}
  .search-box input{flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;font-size:14.5px;color:var(--ink);line-height:1.5;}
  .search-box input::placeholder{color:#9aa5a1;}
  .search-box button{
    width:34px;height:34px;flex-shrink:0;border:0;border-radius:10px;background:var(--green);color:#fff;
    display:grid;place-items:center;cursor:pointer;transition:background .2s var(--ease),transform .2s var(--ease);
  }
  .search-box button:hover{background:var(--green-dark);transform:translateY(-1px);}

  .header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex-shrink:0;}
  .link-plain{font-size:14.5px;color:var(--muted);transition:color .2s var(--ease);}
  .link-plain:hover{color:var(--green);text-decoration:underline;text-underline-offset:4px;}

  .icon-btn{
    width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
    display:grid;place-items:center;cursor:pointer;color:var(--green);
    transition:background .2s var(--ease),border-color .2s var(--ease);
  }
  .icon-btn:hover{background:var(--green-light);border-color:rgba(18,86,74,.3);}
  .header-tools{display:flex;align-items:center;gap:10px;margin-left:auto;}

  @media (max-width:1023px){
    .header-inner > .search-box,
    .header-actions{display:none;}
  }
  @media (min-width:1024px){
    .header-tools{display:none;}
    .header-actions{margin-left:auto;}
  }

  .mobile-search{border-top:1px solid var(--line);background:var(--alt);padding:12px 0;}
  .mobile-search[hidden]{display:none;}
  .mobile-search .search-box{max-width:none;}

  /* ---------- 分类 chips ---------- */
  .chips-wrap{border-top:1px solid var(--line);}
  .chips-row{display:flex;gap:10px;padding:10px 0 12px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
  .chips-row::-webkit-scrollbar{display:none;}
  .chip{
    flex-shrink:0;padding:7px 14px;border-radius:var(--r-tag);font-size:13.5px;color:var(--muted);
    background:var(--alt);border:1px solid transparent;white-space:nowrap;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .chip:hover{color:var(--green);border-color:rgba(18,86,74,.3);background:#fff;}
  .chip.is-active{background:var(--green);color:#fff;}
  .chip.is-active:hover{background:var(--green-dark);color:#fff;border-color:transparent;}

  /* ---------- 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;border:1px solid transparent;cursor:pointer;white-space:nowrap;
    transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),
               border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .btn-primary{background:var(--orange);color:#fff;box-shadow:var(--sh-1);}
  .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);}
  .btn-outline{background:transparent;color:var(--green);border-color:rgba(18,86,74,.35);}
  .btn-outline:hover{border-color:var(--green);background:var(--green-light);transform:translateY(-2px);}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
  .btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;}
  .btn-lg{height:48px;padding:0 26px;font-size:16px;}

  /* ---------- 面包屑 ---------- */
  .crumbs{font-size:12.5px;color:#8a938f;padding:18px 0 0;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
  .crumbs a{color:#8a938f;transition:color .2s var(--ease);}
  .crumbs a:hover{color:var(--green);}
  .crumbs .sep{color:#b7bdb9;}

  /* ---------- 主体网格 ---------- */
  .content-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:20px 0 88px;}
  @media (min-width:1024px){
    .content-grid{grid-template-columns:280px minmax(0,1fr);gap:40px;padding-bottom:96px;}
  }

  /* ---------- 左侧目录 ---------- */
  .toc{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:20px;box-shadow:var(--sh-1);align-self:start;
  }
  @media (min-width:1024px){
    .toc{position:sticky;top:136px;max-height:calc(100vh - 168px);overflow-y:auto;}
  }
  .toc-title{
    font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em;
    display:flex;align-items:center;gap:8px;
  }
  .toc-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--orange);}
  .toc-list{margin-top:14px;display:flex;flex-direction:column;gap:2px;}
  .toc-list a{
    display:block;padding:9px 12px;border-radius:8px;font-size:14px;color:var(--muted);
    border-left:2px solid transparent;line-height:1.6;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .toc-list a:hover{background:var(--green-light);color:var(--green);border-left-color:rgba(18,86,74,.35);}
  .toc-list a.is-current{background:var(--green-light);color:var(--green);font-weight:600;border-left-color:var(--green);}
  .toc-note{
    margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
    font-size:13px;color:var(--muted);line-height:1.8;
  }
  .toc-note strong{color:var(--ink);font-weight:600;display:block;margin-bottom:4px;font-size:13.5px;}

  /* ---------- 页头 ---------- */
  .page-head{padding-bottom:8px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:600;color:var(--green);
    background:var(--lime);border-radius:var(--r-tag);padding:5px 12px;margin-bottom:16px;
  }
  .page-head h1{
    font-size:34px;line-height:1.3;font-weight:700;color:var(--ink);margin:0;max-width:820px;
  }
  @media (max-width:768px){ .page-head h1{font-size:28px;} }
  .page-head .lede{
    margin:16px 0 0;font-size:17px;line-height:1.85;color:var(--muted);max-width:820px;
  }
  @media (max-width:768px){ .page-head .lede{font-size:16px;} }
  .meta-row{
    margin-top:20px;display:flex;flex-wrap:wrap;gap:8px 20px;
    font-size:13px;color:#8a938f;font-variant-numeric:tabular-nums;
  }
  .meta-row span{display:inline-flex;align-items:center;gap:7px;}
  .meta-row span::before{content:"";width:5px;height:5px;border-radius:2px;background:var(--green);}

  /* ---------- 分节 ---------- */
  .section{margin-top:56px;scroll-margin-top:150px;}
  @media (max-width:768px){ .section{margin-top:44px;} }
  .section-head{
    position:relative;display:flex;align-items:baseline;gap:12px;
    margin-bottom:22px;padding-top:16px;
  }
  .section-head::before{
    content:"";position:absolute;left:0;top:0;width:20px;height:3px;border-radius:2px;background:var(--green);
  }
  .sec-num{font-size:13px;font-weight:700;color:var(--orange);letter-spacing:.06em;font-variant-numeric:tabular-nums;}
  .section-head h2{font-size:28px;line-height:1.35;font-weight:700;color:var(--ink);margin:0;}
  @media (max-width:768px){ .section-head h2{font-size:22px;} }

  .prose p{margin:0 0 1.15em;font-size:16.5px;line-height:1.9;color:#233230;}
  .prose p:last-child{margin-bottom:0;}
  .prose strong{color:var(--ink);font-weight:600;}

  .split{display:grid;gap:24px;align-items:center;}
  @media (min-width:900px){ .split{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:32px;} }

  .figure{
    border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
    background:var(--alt);box-shadow:var(--sh-1);
  }
  .figure img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    transition:transform .3s var(--ease);
  }
  .figure:hover img{transform:scale(1.03);}
  .figure figcaption{font-size:13px;color:var(--muted);text-align:center;padding:10px 14px;background:#fff;}

  .marked{margin-top:6px;display:grid;gap:10px;}
  .marked li{position:relative;padding-left:22px;font-size:16px;line-height:1.8;color:#233230;}
  .marked li::before{
    content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--green);
  }
  .marked li strong{color:var(--ink);font-weight:600;}

  .steps{counter-reset:step-ctr;display:grid;gap:14px;margin-top:8px;}
  .steps li{
    counter-increment:step-ctr;display:flex;gap:16px;align-items:flex-start;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:18px 20px;box-shadow:var(--sh-1);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .steps li:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(18,86,74,.3);}
  .steps li::before{
    content:counter(step-ctr,decimal-leading-zero);
    font-size:15px;font-weight:700;color:var(--orange);font-variant-numeric:tabular-nums;
    flex-shrink:0;line-height:1.7;
  }
  .steps li .step-body strong{display:block;font-size:16.5px;color:var(--ink);margin-bottom:4px;font-weight:600;}
  .steps li .step-body p{margin:0;font-size:15px;line-height:1.8;color:var(--muted);}

  .callout{
    margin-top:20px;background:var(--green-light);border-left:3px solid var(--orange);
    border-radius:0 var(--r-card) var(--r-card) 0;padding:18px 22px;
    font-size:15.5px;line-height:1.85;color:#1d3b34;
  }

  /* ---------- 条目卡片 ---------- */
  .entry-grid{display:grid;gap:24px;}
  @media (min-width:768px){ .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  .entry-card{
    display:flex;flex-direction:column;gap:10px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:22px;box-shadow:var(--sh-1);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(18,86,74,.3);}
  .entry-card h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--ink);margin:0;}
  .entry-card p{margin:0;font-size:15px;line-height:1.8;color:var(--muted);}
  .entry-card .more{
    margin-top:auto;padding-top:6px;font-size:14px;font-weight:600;color:var(--green);
    display:inline-flex;align-items:center;gap:6px;
  }
  .entry-card:hover .more{color:var(--green-dark);}
  .tag{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-tag);
    font-size:12px;font-weight:600;background:var(--alt);color:var(--green);width:fit-content;
  }
  .tag-lime{background:var(--lime);color:#1d3b34;}

  /* ---------- FAQ ---------- */
  .faq{max-width:880px;border-top:1px solid var(--line);}
  .faq details{
    border-bottom:1px solid var(--line);border-left:3px solid transparent;padding-left:16px;
    transition:border-color .2s var(--ease),background .2s var(--ease);
  }
  .faq details[open]{border-left-color:var(--green);background:linear-gradient(90deg,rgba(225,239,234,.55),rgba(225,239,234,0));}
  .faq summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 4px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  }
  .faq summary::-webkit-details-marker{display:none;}
  .faq summary .sign{
    flex-shrink:0;width:24px;height:24px;position:relative;color:var(--green);
  }
  .faq summary .sign::before,
  .faq summary .sign::after{
    content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
    background:currentColor;border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);
  }
  .faq summary .sign::before{width:14px;height:2px;}
  .faq summary .sign::after{width:2px;height:14px;}
  .faq details[open] summary .sign::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
  .faq .faq-body{padding:0 4px 22px;font-size:15px;line-height:1.9;color:var(--muted);max-width:760px;}

  /* ---------- CTA ---------- */
  .cta-band{
    background:var(--green);color:#fff;border-radius:16px;padding:34px 28px;
    display:grid;gap:22px;
  }
  @media (min-width:900px){
    .cta-band{grid-template-columns:minmax(0,1fr) auto;align-items:center;padding:44px;gap:32px;}
  }
  .cta-band h2{font-size:26px;line-height:1.35;font-weight:700;color:#fff;margin:0;}
  @media (max-width:768px){ .cta-band h2{font-size:22px;} }
  .cta-band p{margin:10px 0 0;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.82);max-width:560px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--green-dark);color:rgba(255,255,255,.8);padding:56px 0 0;font-size:14px;margin-top:0;}
  .footer-grid{display:grid;gap:32px;}
  @media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.15fr;} }
  .footer-brand .logo-mark{background:#fff;color:var(--green);}
  .footer-brand .logo-text strong{color:#fff;font-size:15px;}
  .footer-brand .logo-text small{color:rgba(255,255,255,.6);}
  .footer-brand p{margin:18px 0;max-width:330px;line-height:1.8;color:rgba(255,255,255,.72);font-size:13.5px;}
  .footer-col h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 14px;}
  .footer-col ul{display:grid;gap:10px;}
  .footer-col a{color:rgba(255,255,255,.75);font-size:13.5px;transition:color .2s var(--ease);}
  .footer-col a:hover{color:var(--orange);}
  .footer-contact li{color:rgba(255,255,255,.75);font-size:13.5px;}
  .qr-box{
    margin-top:16px;width:96px;height:96px;border:1px dashed rgba(255,255,255,.35);border-radius:10px;
    display:grid;place-items:center;font-size:12px;color:rgba(255,255,255,.55);
  }
  .footer-bottom{
    margin-top:44px;border-top:1px solid rgba(255,255,255,.14);padding:18px 0 26px;
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.6);
  }
  .footer-bottom a{color:rgba(255,255,255,.78);transition:color .2s var(--ease);}
  .footer-bottom a:hover{color:var(--orange);}

  /* ---------- 移动端抽屉 ---------- */
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:280px;max-width:86vw;background:#fff;z-index:90;
    transform:translateX(100%);visibility:hidden;
    transition:transform .28s var(--ease),visibility .28s var(--ease);
    padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:20px;
    box-shadow:-18px 0 40px -24px rgba(16,33,30,.45);
  }
  .drawer.is-open{transform:translateX(0);visibility:visible;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .drawer-head span{font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.04em;}
  .drawer-nav{display:grid;gap:6px;}
  .drawer-nav a{
    padding:11px 12px;border-radius:10px;font-size:15px;color:var(--muted);background:var(--alt);
    transition:background .2s var(--ease),color .2s var(--ease);
  }
  .drawer-nav a:hover{background:var(--green-light);color:var(--green);}
  .drawer-nav a.is-current{background:var(--green);color:#fff;}
  .drawer-contact{border-top:1px solid var(--line);padding-top:16px;display:grid;gap:8px;font-size:13.5px;color:var(--muted);}
  .drawer-backdrop{
    position:fixed;inset:0;background:rgba(12,63,54,.45);z-index:80;
    opacity:0;pointer-events:none;transition:opacity .28s var(--ease);
  }
  .drawer-backdrop.is-open{opacity:1;pointer-events:auto;}

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{transition:none !important;animation:none !important;}
  }

/* roulang page: category2 */
:root{
    --c-primary:#12564A;
    --c-primary-deep:#0C3F36;
    --c-primary-light:#E1EFEA;
    --c-accent:#F2681F;
    --c-glow:#C7F26B;
    --c-ink:#16211E;
    --c-muted:#4A5652;
    --c-line:#E4E2DA;
    --c-paper:#F7F6F2;
    --c-card:#FFFFFF;
    --c-alt:#EFF3F0;
    --r-card:14px;
    --r-pic:12px;
    --r-btn:10px;
    --r-chip:6px;
    --sh-1:0 1px 2px rgba(16,33,30,.06);
    --sh-2:0 8px 24px -12px rgba(16,33,30,.18);
    --sh-3:0 16px 32px -16px rgba(16,33,30,.22);
    --ease:cubic-bezier(.2,.7,.3,1);
    --dur:200ms;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16.5px;
    line-height:1.9;
    color:var(--c-ink);
    background:var(--c-paper);
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  a:hover{color:var(--c-primary);}
  button,input{font:inherit;color:inherit;}
  button{cursor:pointer;border:0;background:none;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p,figure{margin:0;}
  h1,h2,h3,h4{font-weight:700;letter-spacing:0;line-height:1.35;}

  :focus-visible{
    outline:none;
    box-shadow:0 0 0 3px rgba(18,86,74,.18), 0 0 0 1px var(--c-primary);
    border-radius:8px;
  }

  .wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
  @media (max-width:767px){ .wrap{padding:0 16px;} }
  @media (min-width:1280px){ .wrap{padding:0 32px;} }

  /* ---------- 顶部信息条 ---------- */
  .topbar{background:var(--c-primary-deep);color:#fff;font-size:12px;line-height:1;height:36px;display:flex;align-items:center;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
  .topbar-left{display:flex;align-items:center;gap:14px;color:rgba(255,255,255,.86);}
  .topbar-right{display:flex;align-items:center;gap:18px;}
  .topbar a{color:rgba(255,255,255,.9);transition:color var(--dur) var(--ease);}
  .topbar a:hover{color:#fff;}
  @media (max-width:639px){ .topbar-left span.hide-sm{display:none;} }

  /* ---------- 主导航 ---------- */
  .site-header{background:#fff;border-bottom:1px solid var(--c-line);position:relative;z-index:60;}
  .nav-main{display:flex;align-items:center;gap:24px;min-height:72px;padding:12px 0;}
  .logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
  .logo-mark{
    width:40px;height:40px;border-radius:10px;background:var(--c-primary);color:#fff;
    display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;flex:0 0 auto;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.25;}
  .logo-text strong{font-size:16px;font-weight:700;color:var(--c-ink);white-space:nowrap;}
  .logo-text small{font-size:11.5px;color:var(--c-muted);letter-spacing:.02em;white-space:nowrap;}
  .logo:hover .logo-text strong{color:var(--c-primary);}

  .nav-search{flex:1 1 auto;display:flex;justify-content:center;}
  .search-box{
    display:flex;align-items:center;gap:8px;
    width:100%;max-width:540px;height:44px;
    background:#fff;border:1px solid var(--c-line);border-radius:999px;
    padding:0 6px 0 18px;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  }
  .search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,86,74,.14);}
  .search-icon{width:18px;height:18px;color:var(--c-primary);flex:0 0 auto;}
  .search-input{flex:1 1 auto;border:0;background:transparent;height:100%;font-size:14px;outline:none;min-width:0;}
  .search-input::placeholder{color:#8A948F;}
  .search-btn{
    width:34px;height:34px;border-radius:9px;background:var(--c-primary);color:#fff;
    display:flex;align-items:center;justify-content:center;flex:0 0 auto;
    transition:background var(--dur) var(--ease),transform var(--dur) var(--ease);
  }
  .search-btn:hover{background:var(--c-primary-deep);transform:translateY(-1px);}
  .search-btn svg{width:16px;height:16px;}

  .nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--r-btn);
    font-size:14.5px;font-weight:600;line-height:1;
    border:1px solid transparent;
    transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
               border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
    white-space:nowrap;
  }
  .btn svg{width:16px;height:16px;}
  .btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
  .btn-primary:hover{background:#D9560F;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-solid{background:var(--c-primary);color:#fff;}
  .btn-solid:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-outline{border-color:rgba(18,86,74,.45);color:var(--c-primary);background:#fff;}
  .btn-outline:hover{background:var(--c-primary-light);color:var(--c-primary-deep);transform:translateY(-2px);}
  .btn-ghost{color:var(--c-primary);padding:0 8px;height:auto;}
  .btn-ghost:hover{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}
  .btn-lg{height:48px;padding:0 26px;font-size:15px;}

  .icon-btn{
    width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:#fff;
    display:none;align-items:center;justify-content:center;color:var(--c-primary);
    transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
  }
  .icon-btn:hover{background:var(--c-primary-light);border-color:rgba(18,86,74,.3);}
  .icon-btn svg{width:20px;height:20px;}

  /* 分类 chips 行 */
  .chips-row{
    display:flex;align-items:center;gap:10px;flex-wrap:nowrap;
    overflow-x:auto;padding:0 0 12px;margin:0;
    -ms-overflow-style:none;scrollbar-width:none;
  }
  .chips-row::-webkit-scrollbar{display:none;}
  .chip{
    display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
    background:var(--c-alt);color:var(--c-muted);font-size:13.5px;font-weight:600;white-space:nowrap;
    border:1px solid transparent;
    transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  }
  .chip:hover{background:var(--c-primary-light);color:var(--c-primary-deep);}
  .chip.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}

  .nav-search-toggle{display:none;}
  .mobile-search-panel{display:none;padding:0 0 14px;}
  .mobile-search-panel.is-open{display:block;}

  /* ---------- 抽屉菜单 ---------- */
  .drawer-backdrop{
    position:fixed;inset:0;background:rgba(12,33,28,.45);opacity:0;visibility:hidden;
    transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);z-index:80;
  }
  .drawer-backdrop.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:280px;max-width:86vw;background:#fff;z-index:90;
    transform:translateX(100%);transition:transform 220ms var(--ease);
    display:flex;flex-direction:column;padding:20px;overflow-y:auto;box-shadow:var(--sh-3);
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer h3{font-size:13px;color:var(--c-muted);font-weight:700;letter-spacing:.04em;margin:16px 0 8px;}
  .drawer-links a{
    display:block;padding:11px 12px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--c-ink);
    transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
  }
  .drawer-links a:hover{background:var(--c-primary-light);color:var(--c-primary-deep);}
  .drawer-links a.is-active{background:var(--c-primary);color:#fff;}
  .drawer-contact{font-size:13.5px;color:var(--c-muted);line-height:1.9;}

  /* ---------- 面包屑 ---------- */
  .crumb{font-size:12.5px;color:var(--c-muted);padding:16px 0 0;}
  .crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
  .crumb li{display:flex;align-items:center;gap:8px;}
  .crumb .sep{color:#A9B0AC;}
  .crumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}

  /* ---------- 粘性锚点条 ---------- */
  .anchor-bar{
    position:sticky;top:0;z-index:55;background:rgba(247,246,242,.94);
    backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid var(--c-line);
  }
  .anchor-inner{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
  .anchor-inner::-webkit-scrollbar{display:none;}
  .anchor-chip{
    display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
    font-size:13px;font-weight:600;color:var(--c-muted);background:#fff;border:1px solid var(--c-line);white-space:nowrap;
    transition:all var(--dur) var(--ease);
  }
  .anchor-chip:hover{border-color:rgba(18,86,74,.3);color:var(--c-primary-deep);}
  .anchor-chip.is-active{background:var(--c-primary-light);border-color:rgba(18,86,74,.25);color:var(--c-primary-deep);}

  /* ---------- 窄条 Hero ---------- */
  .hero-strip{
    position:relative;overflow:hidden;border-bottom:1px solid var(--c-line);
    background:
      repeating-linear-gradient(135deg, rgba(18,86,74,.05) 0 2px, transparent 2px 14px),
      linear-gradient(180deg,#FFFFFF 0%, var(--c-alt) 100%);
  }
  .hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding:48px 0;}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.06em;
    color:var(--c-primary-deep);background:var(--c-primary-light);border-radius:var(--r-chip);padding:6px 10px;
  }
  .hero-eyebrow .dot{width:6px;height:6px;border-radius:2px;background:var(--c-glow);}
  .hero-title{font-size:34px;line-height:1.3;margin:16px 0 12px;max-width:16em;}
  .hero-sub{font-size:16px;color:var(--c-muted);max-width:34em;}
  .hero-side{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:22px;}
  .hero-side h2{font-size:15px;margin-bottom:6px;}
  .hero-side p{font-size:13.5px;color:var(--c-muted);line-height:1.8;margin-bottom:14px;}
  .hero-search{
    display:flex;align-items:center;gap:8px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
    padding:0 6px 0 14px;background:#fff;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  }
  .hero-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,86,74,.14);}
  .hero-search input{flex:1 1 auto;border:0;outline:none;background:transparent;font-size:14px;min-width:0;}
  .hero-search input::placeholder{color:#8A948F;}
  .hero-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px;font-size:13.5px;}
  .hero-links a{color:var(--c-primary);font-weight:600;}
  .hero-links a:hover{text-decoration:underline;text-underline-offset:4px;}

  /* ---------- 通用区块 ---------- */
  .sec{padding:88px 0;}
  .sec-alt{background:var(--c-alt);}
  .sec-white{background:#fff;}
  @media (max-width:1023px){ .sec{padding:64px 0;} }
  @media (max-width:767px){ .sec{padding:48px 0;} }

  .sec-head{margin-bottom:32px;}
  .sec-num{
    display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--c-primary);
    padding-bottom:8px;position:relative;margin-bottom:12px;
  }
  .sec-num::after{content:"";position:absolute;left:0;bottom:0;width:20px;height:3px;background:var(--c-primary);border-radius:2px;}
  .sec-title{font-size:28px;line-height:1.35;}
  .sec-desc{font-size:15.5px;color:var(--c-muted);margin-top:10px;max-width:48em;}

  .lead{font-size:16.5px;color:var(--c-ink);}
  .body-text{font-size:16.5px;color:var(--c-muted);line-height:1.9;margin-top:16px;}

  .two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
  .two-col.rev .media{order:-1;}
  @media (max-width:1023px){
    .two-col{grid-template-columns:1fr;gap:32px;}
    .two-col.rev .media{order:0;}
  }

  .media{margin:0;}
  .media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-pic);border:1px solid var(--c-line);box-shadow:var(--sh-2);}
  .media figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px;}

  .tick-list{margin-top:20px;display:grid;gap:12px;}
  .tick-list li{display:flex;gap:12px;font-size:15.5px;color:var(--c-ink);line-height:1.8;}
  .tick{
    flex:0 0 auto;width:20px;height:20px;border-radius:5px;background:var(--c-primary-light);color:var(--c-primary-deep);
    display:flex;align-items:center;justify-content:center;margin-top:5px;
  }
  .tick svg{width:12px;height:12px;}

  .link-arrow{
    display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:14.5px;font-weight:600;color:var(--c-primary);
  }
  .link-arrow svg{width:16px;height:16px;transition:transform var(--dur) var(--ease);}
  .link-arrow:hover{color:var(--c-primary-deep);}
  .link-arrow:hover svg{transform:translateX(4px);}

  .mini-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px;}
  @media (max-width:639px){ .mini-cards{grid-template-columns:1fr;} }
  .mini-card{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px;
    box-shadow:var(--sh-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  }
  .mini-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(18,86,74,.3);}
  .mini-card h3{font-size:15px;margin-bottom:6px;}
  .mini-card p{font-size:13.8px;color:var(--c-muted);line-height:1.8;}

  /* ---------- 检查清单条带 ---------- */
  .check-band{
    background:
      repeating-linear-gradient(135deg, rgba(255,255,255,.05) 0 2px, transparent 2px 14px),
      var(--c-primary);
    color:#fff;
  }
  .check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:28px;}
  @media (max-width:1023px){ .check-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (max-width:639px){ .check-grid{grid-template-columns:1fr;} }
  .check-item{
    display:flex;gap:14px;padding:18px;border-radius:var(--r-card);
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
    transition:background var(--dur) var(--ease),transform var(--dur) var(--ease);
  }
  .check-item:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
  .check-icon{
    flex:0 0 auto;width:30px;height:30px;border-radius:8px;background:var(--c-glow);color:var(--c-primary-deep);
    display:flex;align-items:center;justify-content:center;
  }
  .check-icon svg{width:16px;height:16px;}
  .check-item h3{font-size:15px;color:#fff;margin-bottom:4px;}
  .check-item p{font-size:13.5px;color:rgba(255,255,255,.82);line-height:1.8;}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:880px;margin-top:28px;border-top:1px solid var(--c-line);}
  .faq-item{border-bottom:1px solid var(--c-line);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:20px 4px 20px 0;font-size:17px;font-weight:600;color:var(--c-ink);
    transition:color var(--dur) var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--c-primary);}
  .faq-item .sign{
    flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--c-alt);color:var(--c-primary);
    display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;line-height:1;
    transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
  }
  .faq-item[open] .sign{background:var(--c-primary);color:#fff;}
  .faq-item[open] .sign .plus{display:none;}
  .faq-item .minus{display:none;}
  .faq-item[open] .minus{display:inline;}
  .faq-answer{
    padding:0 44px 22px 16px;font-size:15px;line-height:1.9;color:var(--c-muted);
    border-left:3px solid var(--c-primary);background:var(--c-primary-light);border-radius:0 10px 10px 0;
    margin-bottom:16px;
  }

  /* ---------- CTA 转化条 ---------- */
  .cta-band{background:var(--c-primary-deep);color:#fff;padding:56px 0;}
  .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
  .cta-inner h2{font-size:26px;line-height:1.35;}
  .cta-inner p{font-size:15px;color:rgba(255,255,255,.82);margin-top:10px;max-width:40em;}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
  .cta-band .btn-outline{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
  .cta-band .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.82);font-size:13.5px;padding:56px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
  @media (max-width:1023px){ .footer-grid{grid-template-columns:1fr 1fr;gap:32px;} }
  @media (max-width:639px){ .footer-grid{grid-template-columns:1fr;} }
  .footer-brand .logo-mark{background:var(--c-glow);color:var(--c-primary-deep);}
  .footer-brand .logo-text strong{color:#fff;}
  .footer-brand .logo-text small{color:rgba(255,255,255,.62);}
  .footer-brand p{margin:16px 0 18px;line-height:1.9;color:rgba(255,255,255,.72);max-width:34em;}
  .footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:700;}
  .footer-col ul{display:grid;gap:10px;}
  .footer-col a{color:rgba(255,255,255,.78);transition:color var(--dur) var(--ease);}
  .footer-col a:hover{color:var(--c-accent);}
  .footer-contact li{color:rgba(255,255,255,.72);}
  .qr-box{
    margin-top:14px;width:88px;height:88px;border-radius:10px;border:1px dashed rgba(255,255,255,.35);
    display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.6);
  }
  .footer-bottom{
    margin-top:40px;border-top:1px solid rgba(255,255,255,.14);padding:18px 0 24px;
    display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
    font-size:12.5px;color:rgba(255,255,255,.6);
  }
  .footer-bottom a{color:rgba(255,255,255,.72);}
  .footer-bottom a:hover{color:var(--c-accent);}

  .skip-link{
    position:absolute;left:-9999px;top:0;background:#fff;color:var(--c-primary);padding:10px 16px;border-radius:0 0 10px 0;z-index:200;
  }
  .skip-link:focus{left:0;}

  @media (max-width:1023px){
    .nav-search{display:none;}
    .nav-search-toggle{display:flex;}
    .nav-menu-toggle{display:flex;}
    .nav-actions .btn-outline{display:none;}
    .hero-inner{grid-template-columns:1fr;gap:28px;padding:36px 0;}
    .hero-title{font-size:28px;}
  }
  @media (max-width:767px){
    .logo-text strong{font-size:14.5px;}
    .logo-text small{display:none;}
    .nav-actions .btn-solid{display:none;}
    .sec-title{font-size:22px;}
    .cta-inner h2{font-size:22px;}
  }

  @media (prefers-reduced-motion: reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }