/* roulang page: index */
:root{
  --c-primary:#0F8A5F;
  --c-primary-deep:#0A6B49;
  --c-primary-soft:#E7F5EF;
  --c-accent:#FF7A2F;
  --c-accent-soft:#FFEDE0;
  --c-ink:#0F1A16;
  --c-body:#3B4A45;
  --c-muted:#6E7C77;
  --c-bg:#F6F7F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDF1ED;
  --c-dark:#0E1A16;
  --c-line:#E1E7E2;
  --sh-1:0 1px 2px rgba(15,26,22,.05),0 2px 8px rgba(15,26,22,.04);
  --sh-2:0 6px 20px rgba(15,26,22,.08);
  --sh-3:0 14px 38px rgba(15,26,22,.12);
  --r-card:16px;
  --r-sm:10px;
  --r-img:12px;
  --r-block:24px;
  --nav-w:240px;
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"Roboto Mono","SFMono-Regular",Menlo,Consolas,monospace;
}
@media (max-width:1279px){:root{--nav-w:216px;}}
@media (max-width:1023px){:root{--nav-w:0px;}}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease);}
a:hover{color:var(--c-primary-deep);}
img{display:block;max-width:100%;height:auto;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;padding:0;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-primary-soft);color:var(--c-primary-deep);}

/* ---------- 基础容器与栅格微调 ---------- */
.grid-container.page-container{
  max-width:1280px;
  padding-left:48px;
  padding-right:48px;
  margin-left:auto;
  margin-right:auto;
}
.grid-x{align-items:stretch;}
.grid-padding-x{margin-left:-10px;margin-right:-10px;}
.grid-padding-x > .cell{padding-left:10px;padding-right:10px;}
.grid-margin-x{margin-left:-10px;margin-right:-10px;}
.grid-margin-x > .cell{margin-left:0;margin-right:0;padding-left:10px;padding-right:10px;}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;
  top:0;left:0;
  width:var(--nav-w);
  height:100vh;
  background:var(--c-dark);
  color:#E8EFEA;
  display:flex;
  flex-direction:column;
  z-index:80;
  overflow-y:auto;
}
.side-brand{
  height:132px;
  flex:0 0 132px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:8px;
  padding:0 20px 0 22px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand-mark{display:flex;align-items:center;gap:10px;}
.brand-mark svg{flex:0 0 30px;}
.brand-name{font-size:17px;font-weight:800;color:#fff;line-height:1.35;letter-spacing:.01em;}
.brand-sub{font-size:13px;line-height:1.6;letter-spacing:.02em;color:rgba(232,239,234,.58);}
.side-links{flex:1 1 auto;padding:18px 0;}
.side-links a{
  position:relative;
  display:flex;
  align-items:center;
  height:46px;
  padding-left:22px;
  font-size:15px;
  color:rgba(232,239,234,.78);
}
.side-links a::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;width:3px;
  background:transparent;
  transition:background var(--ease);
}
.side-links a:hover{background:rgba(255,255,255,.04);color:#fff;}
.side-links a.is-active{background:rgba(255,255,255,.06);color:#fff;}
.side-links a.is-active::before{background:var(--c-accent);}
.side-nav-tick{
  margin:0 22px 14px;
  height:34px;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 1px,transparent 1px 9px);
  opacity:.7;
}
.side-foot{padding:0 20px 24px;}
.side-foot .btn{width:100%;justify-content:center;}
.side-contact{
  margin-top:16px;
  font-size:13px;
  line-height:1.7;
  letter-spacing:.02em;
  color:rgba(232,239,234,.6);
}
.side-contact strong{display:block;color:#fff;font-size:14px;font-weight:600;}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;
  position:sticky;
  top:0;
  z-index:90;
  height:56px;
  background:var(--c-dark);
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
}
.mobile-bar .brand-name{font-size:15px;}
.mobile-bar .brand-mark svg{flex:0 0 24px;}
.menu-toggle{
  width:40px;height:40px;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:5px;
  border-radius:var(--r-sm);
}
.menu-toggle span{
  display:block;
  width:20px;height:2px;
  background:#fff;
  border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;
  position:fixed;
  left:0;right:0;top:56px;
  background:var(--c-dark);
  z-index:85;
  max-height:calc(100vh - 56px);
  overflow-y:auto;
  border-top:1px solid rgba(255,255,255,.08);
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;
  align-items:center;
  height:52px;
  padding:0 22px;
  font-size:15px;
  color:rgba(232,239,234,.82);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-panel a.is-active{color:#fff;background:rgba(255,255,255,.06);border-left:3px solid var(--c-accent);}
.mobile-panel .mobile-cta{padding:18px 22px 26px;border-bottom:0;}
.mobile-progress{
  position:fixed;left:0;top:56px;height:1px;width:100%;
  background:var(--c-primary);
  transform:scaleX(0);transform-origin:left center;
  z-index:86;
  animation:grow 420ms var(--ease) forwards;
}
@keyframes grow{to{transform:scaleX(1);}}

/* ---------- 页面主体偏移 ---------- */
.page-wrap{margin-left:var(--nav-w);}

/* ---------- 按钮族 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background-image:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-md{height:40px;padding:0 18px;font-size:14px;}
.btn-sm{height:34px;padding:0 14px;font-size:13px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary);
}
.btn-text .arrow{display:inline-block;transition:transform var(--ease);}
.btn-text:hover .arrow{transform:translateX(3px);}
.btn-text:active{color:var(--c-primary-deep);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;
  border-radius:var(--r-sm);
  background:var(--c-primary-soft);
  color:var(--c-primary-deep);
  font-size:13px;
  font-weight:600;
  letter-spacing:.01em;
  line-height:1.6;
}
.badge-accent{background:var(--c-accent-soft);color:#B9530F;}
.dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:inline-block;}
.dot-accent{background:var(--c-accent);}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:76px 0 92px;
  background-color:var(--c-bg);
  background-image:repeating-linear-gradient(8deg,rgba(15,138,95,.05) 0 2px,transparent 2px 13px);
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  left:48px;bottom:0;
  width:180px;height:3px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  border-radius:3px;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--c-primary);
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.16;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:20px;
  max-width:640px;
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--c-body);
  max-width:560px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
.hero-trust{
  font-size:13px;
  line-height:1.7;
  letter-spacing:.02em;
  color:var(--c-muted);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.hero-trust .sep{color:var(--c-line);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--c-line);
  background:var(--c-surface-2);
}
.hero-stat{
  position:absolute;
  left:-20px;bottom:-20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-3);
  padding:16px 22px;
  min-width:190px;
}
.hero-stat .num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:32px;
  font-weight:800;
  line-height:1;
  color:var(--c-ink);
}
.hero-stat .num em{font-style:normal;font-size:15px;color:var(--c-accent);margin-left:4px;}
.hero-stat .cap{font-size:13px;color:var(--c-muted);letter-spacing:.02em;margin-top:6px;}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--c-surface);}
.section-dark{background:var(--c-dark);border-radius:var(--r-block);padding:64px 48px;color:rgba(255,255,255,.82);}
.section-dark h2,.section-dark h3{color:#fff;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:38px;
  flex-wrap:wrap;
}
.section-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,2.4vw,34px);
  line-height:1.26;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-title::before{
  content:"";
  position:absolute;left:0;top:4px;
  width:4px;height:26px;
  border-radius:2px;
  background:var(--c-primary);
}
.section-desc{
  font-size:15px;
  line-height:1.8;
  color:var(--c-muted);
  max-width:560px;
  margin-top:12px;
}
.section-note{font-size:13px;color:var(--c-muted);letter-spacing:.02em;}

/* ---------- KPI 看板 ---------- */
.kpi-card{
  position:relative;
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:26px 22px 40px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.kpi-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,138,95,.4);}
.kpi-card .num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(32px,3.6vw,54px);
  line-height:1;
  font-weight:800;
  color:var(--c-ink);
  letter-spacing:-.02em;
}
.kpi-card .num em{font-style:normal;font-size:15px;font-weight:600;color:var(--c-accent);margin-left:5px;letter-spacing:0;}
.kpi-card .cap{
  margin-top:12px;
  font-size:14px;
  line-height:1.7;
  color:var(--c-body);
}
.kpi-card::after{
  content:"";
  position:absolute;
  left:22px;bottom:18px;
  width:76px;height:2px;
  background-image:repeating-linear-gradient(90deg,var(--c-primary) 0 2px,transparent 2px 9px);
  opacity:.55;
}

/* ---------- 服务矩阵 ---------- */
.matrix-main{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.matrix-main:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,138,95,.4);}
.matrix-main .thumb{overflow:hidden;background:var(--c-surface-2);}
.matrix-main .thumb img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform var(--ease);
}
.matrix-main:hover .thumb img{transform:scale(1.03);}
.matrix-body{padding:26px 26px 28px;}
.matrix-body h3{font-size:22px;line-height:1.45;margin-bottom:12px;}
.matrix-body p{font-size:15px;line-height:1.8;color:var(--c-body);margin-bottom:18px;}
.tick-list{margin-bottom:22px;}
.tick-list li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-body);
}
.tick-list li::before{
  content:"";
  position:absolute;left:0;top:.75em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--c-primary);
  transform:translateY(-50%) rotate(45deg);
}
.matrix-side{margin-top:0;}
.mini-card{
  position:relative;
  display:block;
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:22px 20px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,138,95,.4);}
.mini-card .idx{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-accent);
}
.mini-card h3{font-size:17px;line-height:1.5;margin:10px 0 8px;}
.mini-card p{font-size:14px;line-height:1.75;color:var(--c-muted);margin:0;}
.matrix-side .grid-x{margin-top:0;}

/* ---------- 结果对比 ---------- */
.compare{
  display:flex;
  align-items:stretch;
  gap:0;
  margin-top:8px;
}
.compare-col{
  flex:1 1 0;
  border-radius:var(--r-card);
  padding:28px 26px;
  border:1px solid var(--c-line);
}
.compare-before{background:var(--c-surface-2);}
.compare-after{
  background:var(--c-primary-soft);
  border-color:rgba(15,138,95,.28);
}
.compare-col h3{
  font-size:18px;
  line-height:1.5;
  margin-bottom:6px;
}
.compare-col .tagline{font-size:13px;color:var(--c-muted);letter-spacing:.02em;margin-bottom:18px;}
.compare-list li{
  padding:12px 0;
  border-bottom:1px dashed rgba(15,26,22,.1);
}
.compare-list li:last-child{border-bottom:0;padding-bottom:0;}
.compare-list .k{display:block;font-size:13px;color:var(--c-muted);letter-spacing:.02em;margin-bottom:4px;}
.compare-list .v{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:16px;
  font-weight:700;
  color:var(--c-ink);
  line-height:1.5;
}
.compare-after .compare-list .v{color:var(--c-primary-deep);}
.compare-axis{
  flex:0 0 40px;
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
}
.compare-axis::before{
  content:"";
  position:absolute;
  top:16px;bottom:16px;left:50%;
  width:1px;
  background:var(--c-line);
  transform:translateX(-50%);
}
.compare-axis .node{
  position:relative;
  width:12px;height:12px;
  background:var(--c-accent);
  transform:rotate(45deg);
  border-radius:2px;
  box-shadow:0 0 0 4px var(--c-bg);
}

/* ---------- 内容列表（CMS） ---------- */
.news-grid{margin-top:4px;}
.news-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,138,95,.4);}
.news-card .thumb{overflow:hidden;background:var(--c-surface-2);}
.news-card .thumb img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform var(--ease);
}
.news-card:hover .thumb img{transform:scale(1.03);}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body h3{
  font-size:17px;
  line-height:1.5;
  margin:12px 0 8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-body h3 a{color:var(--c-ink);}
.news-body h3 a:hover{color:var(--c-primary);}
.news-body .excerpt{
  font-size:14px;
  line-height:1.7;
  color:var(--c-muted);
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--c-muted);
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.news-meta .sep{color:var(--c-line);}
.news-card--feature{flex-direction:row;}
.news-card--feature .thumb{flex:0 0 46%;max-width:46%;}
.news-card--feature .thumb img{height:100%;aspect-ratio:auto;min-height:280px;}
.news-card--feature .news-body{padding:30px 32px;}
.news-card--feature .news-body h3{font-size:24px;line-height:1.45;-webkit-line-clamp:2;}
.news-card--feature .news-body .excerpt{
  font-size:15px;
  line-height:1.8;
  -webkit-line-clamp:3;
  margin-bottom:20px;
}
.empty-state{
  text-align:center;
  padding:56px 24px;
  background:var(--c-surface);
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
}
.empty-state .icon{
  width:52px;height:52px;
  margin:0 auto 16px;
  border-radius:14px;
  border:1.5px solid var(--c-primary);
  position:relative;
}
.empty-state .icon::before{
  content:"";
  position:absolute;left:14px;right:14px;top:20px;height:2px;
  background:var(--c-primary);
  box-shadow:0 8px 0 var(--c-primary);
}
.empty-state p{font-size:15px;color:var(--c-muted);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.faq-list.accordion{
  background:transparent;
  border:0;
  margin:0;
}
.faq-list .accordion-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:14px;
  box-shadow:var(--sh-1);
  margin-bottom:10px;
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-list .accordion-item:hover{border-color:rgba(15,138,95,.4);box-shadow:var(--sh-2);}
.faq-list .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:52px;
  padding:14px 20px;
  border:0;
  background:transparent;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--c-ink);
}
.faq-list .accordion-title::before{display:none;}
.faq-list .accordion-title::after{
  content:"";
  flex:0 0 28px;
  width:28px;height:28px;
  border:1.5px solid var(--c-primary);
  border-radius:50%;
  background-image:linear-gradient(var(--c-primary),var(--c-primary)),linear-gradient(var(--c-primary),var(--c-primary));
  background-size:12px 2px,2px 12px;
  background-position:center center;
  background-repeat:no-repeat;
  transition:transform var(--ease),background-color var(--ease);
}
.faq-list .accordion-item.is-active .accordion-title::after{
  transform:rotate(45deg);
  background-color:var(--c-primary-soft);
}
.faq-list .accordion-content{
  border:0;
  background:transparent;
  padding:0 20px 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-body);
}
.faq-list .accordion-content p{margin-bottom:0;}

/* ---------- 转化表单 ---------- */
.contact-shell{
  background:var(--c-surface-2);
  border-radius:20px;
  padding:40px;
}
.contact-shell h2{
  font-size:clamp(22px,2.2vw,30px);
  line-height:1.3;
  margin-bottom:14px;
}
.contact-shell .lead{
  font-size:15px;
  line-height:1.8;
  color:var(--c-body);
  margin-bottom:22px;
}
.contact-points li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-body);
  margin-bottom:6px;
}
.contact-points li::before{
  content:"";
  position:absolute;left:0;top:.62em;
  width:14px;height:8px;
  border-left:2px solid var(--c-primary);
  border-bottom:2px solid var(--c-primary);
  transform:rotate(-45deg);
}
.lead-form{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:28px;
}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--c-muted);
  margin-bottom:7px;
}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  height:46px;
  padding:0 14px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  color:var(--c-ink);
  font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
  appearance:none;
  -webkit-appearance:none;
}
.field textarea{
  height:auto;
  min-height:120px;
  padding:12px 14px;
  line-height:1.7;
  resize:vertical;
}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--c-primary) 50%),linear-gradient(135deg,var(--c-primary) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
  padding-right:40px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px var(--c-primary-soft);
  outline:none;
}
.field input::placeholder,.field textarea::placeholder{color:#A6B0AB;}
.form-submit{width:100%;}
.form-note{
  margin-top:12px;
  font-size:12px;
  line-height:1.7;
  color:var(--c-muted);
  letter-spacing:.02em;
}

/* ---------- 深色 CTA 横条 ---------- */
.dark-banner{
  background:var(--c-dark);
  border-radius:var(--r-block);
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  background-image:linear-gradient(135deg,rgba(15,138,95,.22),transparent 62%);
}
.dark-banner h2{font-size:clamp(20px,2vw,28px);line-height:1.35;color:#fff;margin-bottom:8px;}
.dark-banner p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.7);margin:0;max-width:600px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);
  color:rgba(232,239,234,.68);
  border-radius:var(--r-block) var(--r-block) 0 0;
  margin-top:88px;
  padding:64px 0 0;
}
.footer-brand .brand-name{font-size:18px;margin-bottom:12px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(232,239,234,.62);max-width:320px;}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(232,239,234,.68);}
.footer-col ul li a:hover{color:#fff;}
.footer-contact li{font-size:14px;line-height:1.8;margin-bottom:8px;color:rgba(232,239,234,.68);}
.footer-contact strong{color:#fff;font-weight:600;}
.qr-box{
  width:96px;height:96px;
  border-radius:var(--r-sm);
  border:1px dashed rgba(255,255,255,.28);
  background:rgba(255,255,255,.05);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(232,239,234,.55);
  margin-top:14px;
}
.footer-bottom{
  margin-top:52px;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  letter-spacing:.02em;
  color:rgba(232,239,234,.5);
}
.footer-bottom a{color:rgba(232,239,234,.5);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .side-nav{display:none;}
  .page-wrap{margin-left:0;}
  .mobile-bar{display:flex;}
  .grid-container.page-container{padding-left:32px;padding-right:32px;}
  .section{padding:64px 0;}
  .hero{padding:52px 0 68px;}
  .hero::after{left:32px;}
  .hero-stat{position:static;margin-top:20px;box-shadow:var(--sh-2);}
  .hero-media img{aspect-ratio:16/9;}
  .section-dark{padding:48px 32px;}
  .contact-shell{padding:28px;}
  .dark-banner{padding:34px 32px;}
  .site-footer{margin-top:64px;padding-top:52px;}
  .news-card--feature{flex-direction:column;}
  .news-card--feature .thumb{flex:0 0 auto;max-width:100%;}
  .news-card--feature .thumb img{height:auto;aspect-ratio:16/10;min-height:0;}
  .news-card--feature .news-body{padding:24px;}
  .news-card--feature .news-body h3{font-size:20px;}
}
@media (max-width:767px){
  .grid-container.page-container{padding-left:20px;padding-right:20px;}
  .section{padding:44px 0;}
  .hero{padding:40px 0 52px;}
  .hero::after{left:20px;width:120px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section-head{margin-bottom:26px;}
  .section-title{padding-left:14px;font-size:22px;}
  .section-title::before{height:20px;top:3px;}
  .section-dark{padding:32px 22px;}
  .contact-shell{padding:20px;border-radius:14px;}
  .lead-form{padding:20px;}
  .dark-banner{padding:26px 22px;border-radius:16px;}
  .dark-banner .btn{width:100%;}
  .compare{flex-direction:column;}
  .compare-axis{flex:0 0 32px;width:100%;}
  .compare-axis::before{top:50%;left:16px;right:16px;bottom:auto;width:auto;height:1px;transform:translateY(-50%);}
  .compare-col{padding:22px 20px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:479px){
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .kpi-card{padding:20px 16px 34px;}
  .kpi-card::after{left:16px;bottom:14px;width:56px;}
  .mini-card{padding:18px 16px;}
  .matrix-body{padding:20px 18px 22px;}
  .news-body{padding:18px 16px 20px;}
  .btn{width:100%;}
  .btn-text{width:auto;}
  .footer-bottom{font-size:12px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0F8A5F;
  --c-primary-deep:#0A6B49;
  --c-primary-soft:#E7F5EF;
  --c-accent:#FF7A2F;
  --c-accent-soft:#FFEDE0;
  --c-ink:#0F1A16;
  --c-body:#3B4A45;
  --c-muted:#6E7C77;
  --c-bg:#F6F7F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDF1ED;
  --c-dark:#0E1A16;
  --c-line:#E1E7E2;
  --r-card:16px;
  --r-sm:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(15,26,22,.05),0 2px 8px rgba(15,26,22,.04);
  --sh-2:0 6px 20px rgba(15,26,22,.08);
  --sh-3:0 14px 38px rgba(15,26,22,.12);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","Roboto Mono","Cascadia Mono",Menlo,Consolas,monospace;
  --nav-w:240px;
  --gap:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--c-primary-deep);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-family:var(--font-sans);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}

/* ---------- 布局容器 ---------- */
.page-wrap{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.page-container{max-width:1280px;margin:0 auto;padding-left:48px;padding-right:48px;width:100%;}
main{flex:1 1 auto;}

/* ---------- 左侧导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--c-dark);color:#E8EFEA;
  display:flex;flex-direction:column;
  padding:0 0 20px;z-index:60;
  background-image:repeating-linear-gradient(8deg,rgba(15,138,95,.10) 0 1px,transparent 1px 9px);
}
.side-brand{padding:26px 20px 20px;border-bottom:1px solid rgba(255,255,255,.08);min-height:132px;}
.brand-mark{display:flex;align-items:center;gap:10px;}
.brand-mark svg{flex:0 0 auto;}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.01em;color:#FFFFFF;line-height:1.35;}
.brand-sub{display:block;margin-top:8px;font-size:13px;line-height:1.6;letter-spacing:.02em;color:rgba(232,239,234,.66);}
.side-links{padding:14px 0;display:flex;flex-direction:column;overflow-y:auto;}
.side-links a{
  position:relative;display:flex;align-items:center;
  height:46px;padding-left:20px;font-size:15px;color:#E8EFEA;
  border-left:3px solid transparent;
}
.side-links a:hover{background:rgba(255,255,255,.04);color:#fff;}
.side-links a.is-active{border-left-color:var(--c-accent);background:rgba(255,255,255,.06);color:#fff;font-weight:600;}
.side-nav-tick{margin:8px 20px;height:14px;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 1px,transparent 1px 9px);}
.side-foot{margin-top:auto;padding:0 20px;display:flex;flex-direction:column;gap:14px;}
.side-foot .btn{width:100%;justify-content:center;}
.side-contact{font-size:13px;line-height:1.6;letter-spacing:.02em;color:rgba(232,239,234,.66);}
.side-contact strong{display:block;color:#E8EFEA;font-weight:600;margin-bottom:2px;}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:70;
  height:56px;background:var(--c-dark);color:#fff;
  align-items:center;justify-content:space-between;padding:0 20px;
}
.mobile-bar .brand-name{font-size:15px;}
.mob-toggle{width:40px;height:40px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;align-items:flex-end;gap:6px;}
.mob-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.mob-toggle.is-open span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.mob-toggle.is-open span:nth-child(2){opacity:0;}
.mob-toggle.is-open span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
.mob-panel{
  display:none;position:fixed;top:56px;left:0;right:0;bottom:0;z-index:65;
  background:var(--c-dark);padding:8px 20px 28px;overflow-y:auto;
  border-top:1px solid rgba(255,255,255,.08);
}
.mob-panel.is-open{display:block;animation:panelIn 200ms cubic-bezier(.2,.7,.3,1);}
.mob-panel::before{content:"";position:absolute;top:0;left:0;height:2px;width:100%;background:var(--c-primary);animation:barIn 320ms ease-out;}
@keyframes panelIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}
@keyframes barIn{from{transform:scaleX(0);transform-origin:left;}to{transform:scaleX(1);}}
.mob-links a{display:flex;align-items:center;height:52px;font-size:16px;color:#E8EFEA;border-bottom:1px solid rgba(255,255,255,.08);}
.mob-links a.is-active{color:#fff;font-weight:600;border-left:3px solid var(--c-accent);padding-left:12px;}
.mob-panel .btn{margin-top:20px;width:100%;justify-content:center;}
.mob-contact{margin-top:16px;font-size:13px;line-height:1.7;color:rgba(232,239,234,.66);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-secondary:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px);}
.btn-mid{height:40px;padding:0 18px;font-size:14px;}
.btn-sm{height:34px;padding:0 14px;font-size:13px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);}
.link-arrow span{display:inline-block;transition:transform var(--ease);}
.link-arrow:hover span{transform:translateX(3px);}
.link-arrow:hover{color:var(--c-primary-deep);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-sm);
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge-accent{background:var(--c-accent-soft);color:#B4510F;}
.badge-line{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.35);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-primary);display:inline-block;}
.dot-accent{background:var(--c-accent);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.02em;color:var(--c-muted);
  padding:18px 0 0;
}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--c-line);}
.crumb .cur{color:var(--c-ink);}

/* ---------- 板块标题 ---------- */
.section{padding:88px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-title{position:relative;padding-left:16px;font-size:clamp(24px,2.4vw,34px);line-height:1.26;font-weight:700;}
.sec-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:22px;border-radius:2px;background:var(--c-primary);}
.sec-sub{font-size:14px;color:var(--c-muted);margin:10px 0 0;max-width:640px;}

/* ---------- 分类页页头 ---------- */
.cat-hero{
  position:relative;min-height:320px;display:flex;align-items:flex-end;
  background-image:linear-gradient(180deg,rgba(14,26,22,.55),rgba(14,26,22,.62)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-radius:0 0 24px 24px;overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--c-primary) 0 62%,var(--c-accent) 62% 100%);
}
.cat-hero-inner{padding:56px 0 48px;position:relative;z-index:2;max-width:860px;}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.16;font-weight:800;letter-spacing:-.02em;
  color:#fff;margin:18px 0 16px;
}
.cat-hero p{color:rgba(255,255,255,.86);font-size:17px;max-width:680px;margin:0;}

/* ---------- 介绍区 ---------- */
.intro-grid{row-gap:24px;}
.prose-block p{font-size:16px;line-height:1.85;color:var(--c-body);}
.prose-block strong{color:var(--c-ink);}
.aside-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);height:100%;
}
.aside-card h3{font-size:18px;margin-bottom:14px;}
.range-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed var(--c-line);font-size:15px;color:var(--c-body);
}
.range-list li:last-child{border-bottom:0;}
.range-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:2px;background:var(--c-primary);}

/* ---------- 图文交错 ---------- */
.zigzag{padding:22px 0;border-top:1px solid var(--c-line);}
.zigzag:first-of-type{border-top:0;padding-top:0;}
.zigzag .grid-x{row-gap:24px;align-items:center;}
.zz-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface-2);box-shadow:var(--sh-2);}
.zz-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--ease);}
.zz-media:hover img{transform:scale(1.03);}
.zz-body h3{font-size:20px;margin-bottom:12px;}
.zz-body p{font-size:16px;}
.zz-points{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.zz-points li{display:flex;gap:9px;font-size:15px;color:var(--c-body);}
.zz-points li::before{content:"—";color:var(--c-primary);font-weight:700;}

/* ---------- 编号要点 ---------- */
.num-list{border-top:1px solid var(--c-line);}
.num-item{
  display:grid;grid-template-columns:72px 1fr;gap:20px;align-items:start;
  padding:22px 0;border-bottom:1px solid var(--c-line);
  transition:background-color var(--ease);
}
.num-item:hover{background:rgba(15,138,95,.035);}
.num-item .idx{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:24px;font-weight:700;color:var(--c-primary);line-height:1.2;
}
.num-item h3{font-size:18px;margin-bottom:6px;}
.num-item p{font-size:15px;color:var(--c-body);margin:0;}

/* ---------- 数据小卡 ---------- */
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);height:100%;position:relative;overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,138,95,.4);}
.stat-num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(32px,3.6vw,54px);line-height:1;font-weight:800;color:var(--c-ink);
}
.stat-num small{font-size:16px;font-weight:600;color:var(--c-accent);margin-left:4px;}
.stat-label{margin-top:12px;font-size:14px;color:var(--c-body);}
.stat-cap{margin-top:6px;font-size:13px;color:var(--c-muted);letter-spacing:.02em;}
.stat-tick{
  margin-top:18px;height:6px;
  background-image:repeating-linear-gradient(90deg,var(--c-surface-2) 0 2px,transparent 2px 8px);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.accordion{background:transparent;border:0;margin:0;}
.accordion .accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  margin-bottom:10px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion .accordion-item:last-child{margin-bottom:0;}
.accordion .accordion-title{
  display:flex;align-items:center;min-height:52px;height:auto;
  padding:12px 60px 12px 20px;border:0;
  font-size:16px;font-weight:700;color:var(--c-ink);background:transparent;
  position:relative;line-height:1.5;
}
.accordion .accordion-title:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.accordion .accordion-title::before{
  content:"";position:absolute;right:16px;top:50%;width:28px;height:28px;margin:-14px 0 0;
  border:1.5px solid var(--c-primary);border-radius:50%;
  background-image:linear-gradient(var(--c-primary),var(--c-primary)),linear-gradient(var(--c-primary),var(--c-primary));
  background-size:12px 2px,2px 12px;background-position:center,center;background-repeat:no-repeat;
  transition:transform var(--ease),background-color var(--ease),border-color var(--ease);
}
.accordion .accordion-item.is-active .accordion-title::before{
  transform:rotate(45deg);background-color:var(--c-primary);border-color:var(--c-primary);
  background-image:linear-gradient(#fff,#fff),linear-gradient(#fff,#fff);
}
.accordion .accordion-content{
  border:0;background:transparent;padding:0 20px 16px;font-size:15px;line-height:1.8;color:var(--c-body);
}
.faq-note{font-size:13px;color:var(--c-muted);letter-spacing:.02em;}

/* ---------- CTA 横条 ---------- */
.cta-band{
  background:var(--c-dark);border-radius:24px;padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background-image:repeating-linear-gradient(8deg,rgba(15,138,95,.14) 0 1px,transparent 1px 10px);
  box-shadow:var(--sh-3);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.2vw,30px);line-height:1.3;font-weight:700;}
.cta-band p{color:rgba(232,239,234,.72);font-size:15px;margin:10px 0 0;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;background:var(--c-dark);color:rgba(232,239,234,.78);
  border-radius:24px 24px 0 0;padding:56px 0 0;
}
.site-footer .brand-name{color:#fff;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-col ul li{margin-bottom:10px;font-size:14px;}
.footer-col ul li a{color:rgba(232,239,234,.78);}
.footer-col ul li a:hover{color:#fff;}
.footer-contact li{font-size:14px;line-height:1.7;}
.footer-contact strong{color:#E8EFEA;font-weight:600;margin-right:4px;}
.qr-box{
  width:96px;height:96px;margin-top:16px;border-radius:var(--r-sm);
  border:1px dashed rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;
  font-size:13px;color:rgba(232,239,234,.6);
}
.footer-bottom{
  margin-top:44px;padding:18px 0 24px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.02em;color:rgba(232,239,234,.6);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  :root{--nav-w:216px;}
  .page-container{padding-left:32px;padding-right:32px;}
  .side-nav .brand-name{font-size:15px;}
}
@media screen and (max-width:1023px){
  .side-nav{display:none;}
  .mobile-bar{display:flex;}
  .page-wrap{margin-left:0;}
  .page-container{padding-left:32px;padding-right:32px;}
  .section{padding-top:64px;}
  .cat-hero{min-height:280px;border-radius:0;}
  .cat-hero-inner{padding:40px 0 36px;}
  .cta-band{padding:32px 28px;border-radius:20px;}
  .site-footer{margin-top:64px;border-radius:20px 20px 0 0;}
}
@media screen and (max-width:767px){
  :root{--gap:14px;}
  body{font-size:15px;}
  .page-container{padding-left:20px;padding-right:20px;}
  .section{padding-top:44px;}
  .sec-head{margin-bottom:24px;}
  .cat-hero h1{font-size:clamp(26px,7vw,34px);}
  .cat-hero p{font-size:15px;}
  .num-item{grid-template-columns:52px 1fr;gap:14px;}
  .num-item .idx{font-size:20px;}
  .zigzag{padding:18px 0;}
  .aside-card{padding:20px;}
  .cta-band{padding:26px 20px;}
  .site-footer{padding-top:40px;}
  .footer-col{margin-top:8px;}
}
@media screen and (max-width:479px){
  .btn{width:100%;justify-content:center;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .stat-card{padding:18px;}
  .badge{font-size:12px;}
}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#0F8A5F;
  --c-primary-deep:#0A6B49;
  --c-primary-soft:#E7F5EF;
  --c-accent:#FF7A2F;
  --c-accent-soft:#FFEDE0;
  --c-ink:#0F1A16;
  --c-body:#3B4A45;
  --c-muted:#6E7C77;
  --c-bg:#F6F7F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDF1ED;
  --c-dark:#0E1A16;
  --c-line:#E1E7E2;
  --sh-1:0 1px 2px rgba(15,26,22,.05),0 2px 8px rgba(15,26,22,.04);
  --sh-2:0 6px 20px rgba(15,26,22,.08);
  --sh-3:0 14px 38px rgba(15,26,22,.12);
  --r-card:16px;
  --r-sm:10px;
  --r-img:12px;
  --r-lg:24px;
  --nav-w:240px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"Roboto Mono","SFMono-Regular",Menlo,Consolas,monospace;
}
/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-family:var(--font-sans)}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
/* ============ 容器 ============ */
.page-container{width:100%;max-width:1280px;margin-left:auto;margin-right:auto;padding-left:48px;padding-right:48px}
.page-shell{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
.main-area{flex:1 1 auto;padding-bottom:8px}
/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;left:0;top:0;bottom:0;width:var(--nav-w);
  background:var(--c-dark);color:#E8EFEA;
  display:flex;flex-direction:column;
  padding:0 0 22px;z-index:80;overflow-y:auto;
}
.side-brand{
  min-height:132px;padding:24px 20px 18px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand-mark{display:flex;align-items:center;gap:10px}
.brand-name{font-size:17px;font-weight:800;color:#fff;letter-spacing:.01em;line-height:1.3}
.brand-sub{display:block;margin-top:10px;font-size:13px;color:#8FA39A;letter-spacing:.02em}
.side-links{display:flex;flex-direction:column;padding:14px 0 0}
.side-links a{
  position:relative;display:flex;align-items:center;
  height:46px;padding-left:20px;font-size:15px;color:#C8D5CE;
  border-left:3px solid transparent;
  transition:background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.side-links a:hover{background:rgba(255,255,255,.04);color:#fff}
.side-links a.is-active{
  border-left-color:var(--c-accent);
  background:rgba(255,255,255,.06);
  color:#fff;font-weight:600;
}
.side-nav-tick{
  margin:18px 20px 0;height:26px;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 1px,transparent 1px 9px);
  background-position:left bottom;background-size:100% 12px;background-repeat:no-repeat;
  opacity:.7;
}
.side-foot{margin-top:auto;padding:18px 20px 0}
.side-foot .btn{width:100%}
.side-contact{margin-top:16px;font-size:13px;line-height:1.9;color:#8FA39A;letter-spacing:.02em}
.side-contact strong{display:block;color:#E8EFEA;font-weight:600}
/* ============ 移动端顶栏 ============ */
.mobile-bar{display:none}
.mobile-panel{display:none}
@media (max-width:1023px){
  .side-nav{display:none}
  .page-shell{margin-left:0;padding-top:56px}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;left:0;right:0;top:0;height:56px;z-index:90;
    background:var(--c-dark);padding:0 20px;
  }
  .mobile-bar .brand-name{font-size:15px}
  .burger{
    width:40px;height:40px;border:0;background:transparent;
    display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
  }
  .burger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform 200ms var(--ease),opacity 200ms var(--ease)}
  .burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.is-open span:nth-child(2){opacity:0}
  .burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .mobile-panel{
    display:block;position:fixed;left:0;right:0;top:56px;z-index:85;
    background:var(--c-dark);border-top:1px solid rgba(255,255,255,.08);
    max-height:0;overflow:hidden;transition:max-height 240ms var(--ease);
  }
  .mobile-panel.is-open{max-height:520px;overflow-y:auto}
  .mobile-panel a.mp-link{
    display:flex;align-items:center;height:52px;padding:0 20px;
    color:#C8D5CE;font-size:15px;border-bottom:1px solid rgba(255,255,255,.08);
  }
  .mobile-panel a.mp-link.is-active{color:#fff;font-weight:600;box-shadow:inset 3px 0 0 var(--c-accent)}
  .mobile-panel .mp-cta{padding:16px 20px 22px}
}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  border-radius:var(--r-sm);border:1px solid transparent;cursor:pointer;
  transition:transform 200ms var(--ease),background 200ms var(--ease),box-shadow 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
  text-decoration:none;white-space:nowrap;
}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-primary{height:48px;padding:0 24px;background:var(--c-primary);color:#fff}
.btn-primary:hover{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline{height:48px;padding:0 24px;background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{height:48px;padding:0 24px;background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-1px)}
.btn-mid{height:40px;padding:0 18px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);
  font-weight:600;font-size:15px;text-decoration:none;
}
.btn-link .arrow{transition:transform 200ms var(--ease)}
.btn-link:hover{color:var(--c-primary-deep)}
.btn-link:hover .arrow{transform:translateX(3px)}
/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-sm);
  font-size:13px;font-weight:600;letter-spacing:.02em;line-height:1.4;
}
.badge-cat{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.badge-data{background:var(--c-accent-soft);color:var(--c-primary-deep);font-family:var(--font-mono);font-variant-numeric:tabular-nums}
/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--c-muted);letter-spacing:.02em;padding:22px 0 16px;
}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#B6C1BB}
.breadcrumb .current{color:var(--c-ink);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* ============ 文章页头 ============ */
.article-hero{
  background:var(--c-bg);
  background-image:repeating-linear-gradient(98deg,rgba(15,138,95,.05) 0 2px,transparent 2px 22px);
  border-bottom:1px solid var(--c-line);
}
.article-hero-inner{padding-bottom:38px;max-width:860px}
.article-hero h1{
  font-size:clamp(28px,3.2vw,40px);line-height:1.22;font-weight:800;
  letter-spacing:-.02em;margin:16px 0 18px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:14px;color:var(--c-muted);letter-spacing:.02em;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#B6C1BB;display:inline-block}
.hero-rule{width:96px;height:3px;margin-top:26px;background:linear-gradient(90deg,var(--c-primary) 0 62%,var(--c-accent) 62% 100%);border-radius:2px}
/* ============ 文章主体 ============ */
.article-body-wrap{padding-top:44px;padding-bottom:20px}
.article-main{min-width:0}
.article-cover{
  margin:0 0 30px;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  background-color:var(--c-surface-2);aspect-ratio:16/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-content{font-size:17px;line-height:1.9;color:var(--c-body);max-width:820px;overflow-wrap:break-word}
.article-content p{margin:0 0 1.2em}
.article-content h2{
  position:relative;font-size:clamp(22px,2.2vw,28px);line-height:1.3;font-weight:700;
  color:var(--c-ink);margin:2.2em 0 .8em;padding-left:14px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.2em;width:4px;height:22px;
  border-radius:2px;background:var(--c-primary);
}
.article-content h3{font-size:20px;line-height:1.45;font-weight:700;color:var(--c-ink);margin:1.6em 0 .6em}
.article-content h4{font-size:17px;font-weight:700;color:var(--c-ink);margin:1.4em 0 .5em}
.article-content ul{list-style:none;margin:0 0 1.2em;padding:0}
.article-content ul > li{position:relative;padding-left:22px;margin-bottom:.5em}
.article-content ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;
  background:var(--c-primary);border-radius:2px;
}
.article-content ol{list-style:none;counter-reset:artlist;margin:0 0 1.2em;padding:0}
.article-content ol > li{position:relative;counter-increment:artlist;padding-left:34px;margin-bottom:.55em}
.article-content ol > li::before{
  content:counter(artlist,decimal-leading-zero);
  position:absolute;left:0;top:.28em;font-family:var(--font-mono);
  font-size:14px;font-weight:700;color:var(--c-primary);letter-spacing:.02em;
}
.article-content blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid var(--c-primary);
  background:var(--c-primary-soft);color:var(--c-ink);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{
  max-width:100%;height:auto;border-radius:var(--r-img);
  border:1px solid var(--c-line);margin:1.4em auto;
}
.article-content figure{margin:1.6em 0}
.article-content figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--c-muted);letter-spacing:.02em;
}
.article-content a{color:var(--c-primary);text-decoration:underline;text-underline-offset:2px}
.article-content a:hover{color:var(--c-primary-deep)}
.article-content table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--c-line);border-radius:var(--r-img);
  overflow:hidden;margin:1.5em 0;font-size:15px;line-height:1.7;
}
.article-content thead th{
  background:var(--c-surface-2);color:var(--c-ink);font-weight:700;
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--c-line);white-space:nowrap;
}
.article-content tbody td{padding:12px 14px;border-bottom:1px solid var(--c-line);vertical-align:top}
.article-content tbody tr:nth-child(even) td{background:#FAFBFA}
.article-content tbody tr:last-child td{border-bottom:0}
.article-divider{
  height:40px;margin:34px 0;border-radius:var(--r-sm);
  background-image:repeating-linear-gradient(90deg,var(--c-line) 0 18px,transparent 18px 40px);
  background-position:left center;background-repeat:no-repeat;background-size:100% 2px;
}
/* 空态 */
.empty-state{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:56px 28px;text-align:center;max-width:820px;
}
.empty-state .es-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:14px;
  background:var(--c-primary-soft);display:flex;align-items:center;justify-content:center;
}
.empty-state p{font-size:15px;color:var(--c-muted);margin:0 0 22px}
/* ============ 侧栏 ============ */
.article-side{min-width:0}
.side-inner{position:sticky;top:24px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:20px;
}
.side-card h2,.side-card h3{
  font-size:15px;font-weight:700;color:var(--c-ink);margin:0 0 14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h2::before,.side-card h3::before{
  content:"";width:4px;height:16px;border-radius:2px;background:var(--c-primary);display:block;
}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{border-bottom:1px solid var(--c-line);padding:12px 0}
.side-list li:first-child{padding-top:0}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:block;font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.6}
.side-list a:hover{color:var(--c-primary)}
.side-list .side-time{display:block;margin-top:6px;font-size:12px;color:var(--c-muted);letter-spacing:.02em;font-family:var(--font-mono)}
.side-cta{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  border-radius:var(--r-card);padding:24px;color:#fff;box-shadow:var(--sh-2);
}
.side-cta h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.side-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.88);margin:0 0 16px}
.side-cta .btn{width:100%;background:#fff;color:var(--c-primary-deep);border-color:#fff}
.side-cta .btn:hover{background:#F2FBF6;color:var(--c-primary-deep)}
/* ============ 文末翻页 ============ */
.article-nav{
  margin-top:40px;padding-top:30px;border-top:1px solid var(--c-line);
  display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:820px;
}
.article-nav .nav-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.article-nav .nav-card:hover{
  transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,138,95,.4);
}
.article-nav .nav-card span{display:block;font-size:13px;color:var(--c-muted);margin-bottom:6px}
.article-nav .nav-card strong{
  display:block;font-size:15px;font-weight:700;color:var(--c-ink);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-nav .nav-card.next{text-align:right}
.back-row{margin-top:24px;display:flex;justify-content:center}
/* ============ CTA 横条 ============ */
.cta-band-wrap{padding:64px 0 8px}
.cta-band{
  background:var(--c-dark);border-radius:var(--r-lg);padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:auto -60px -80px auto;width:260px;height:260px;
  background:repeating-linear-gradient(98deg,rgba(15,138,95,.22) 0 3px,transparent 3px 26px);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.2vw,30px);font-weight:800;color:#fff;line-height:1.3;margin-bottom:10px}
.cta-band p{color:#9DAEA6;font-size:15px;margin:0;max-width:520px}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}
/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);color:#C8D5CE;margin-top:72px;
  border-radius:var(--r-lg) var(--r-lg) 0 0;padding-top:56px;
}
.footer-brand .brand-name{font-size:20px;font-weight:800;color:#fff;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.85;color:#9DAEA6;max-width:340px;margin:0}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#9DAEA6;font-size:14px;transition:color 200ms var(--ease)}
.footer-col a:hover{color:#fff}
.footer-contact li{color:#9DAEA6;font-size:14px}
.footer-contact strong{color:#D7E2DB;font-weight:600}
.qr-box{
  width:96px;height:96px;margin-top:16px;border-radius:var(--r-sm);
  border:1px dashed rgba(255,255,255,.28);display:flex;align-items:center;justify-content:center;
  font-size:13px;color:#7C8B84;
}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7C8B84;letter-spacing:.02em;
}
/* ============ 响应式 ============ */
@media (max-width:1439px){
  :root{--nav-w:240px}
}
@media (max-width:1279px){
  :root{--nav-w:216px}
  .page-container{padding-left:40px;padding-right:40px}
}
@media (max-width:1023px){
  :root{--nav-w:0px}
  .page-container{padding-left:32px;padding-right:32px}
  .article-body-wrap{padding-top:32px}
  .article-hero-inner{padding-bottom:30px}
  .cta-band-wrap{padding-top:48px}
  .cta-band{padding:34px 28px;border-radius:20px}
  .site-footer{margin-top:56px;padding-top:44px}
  .side-inner{position:static}
}
@media (max-width:767px){
  body{font-size:15px}
  .page-container{padding-left:20px;padding-right:20px}
  .article-hero h1{font-size:26px}
  .article-content{font-size:16px;line-height:1.85}
  .article-content h2{margin-top:1.8em}
  .article-nav{grid-template-columns:1fr;gap:14px}
  .article-nav .nav-card.next{text-align:left}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band .cta-actions{width:100%}
  .site-footer{margin-top:44px;border-radius:18px 18px 0 0}
  .footer-bottom{flex-direction:column;gap:8px}
  .article-content table{font-size:14px}
  .article-content thead th,.article-content tbody td{padding:10px}
}
@media (max-width:479px){
  .article-meta{font-size:13px;gap:8px}
  .badge{font-size:12px}
  .btn,.btn-primary,.btn-outline,.btn-ghost{width:100%;padding-left:16px;padding-right:16px}
  .btn-mid{width:auto}
  .empty-state{padding:40px 18px}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F8A5F;
  --c-primary-deep:#0A6B49;
  --c-primary-soft:#E7F5EF;
  --c-accent:#FF7A2F;
  --c-accent-soft:#FFEDE0;
  --c-ink:#0F1A16;
  --c-body:#3B4A45;
  --c-muted:#6E7C77;
  --c-bg:#F6F7F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDF1ED;
  --c-dark:#0E1A16;
  --c-line:#E1E7E2;
  --sh-1:0 1px 2px rgba(15,26,22,.05),0 2px 8px rgba(15,26,22,.04);
  --sh-2:0 6px 20px rgba(15,26,22,.08);
  --sh-3:0 14px 38px rgba(15,26,22,.12);
  --r-card:16px;
  --r-sm:10px;
  --r-img:12px;
  --nav-w:240px;
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"Roboto Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --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;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.page-container{max-width:1280px;margin:0 auto;padding-left:48px;padding-right:48px;}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;left:0;top:0;bottom:0;width:var(--nav-w);
  background:var(--c-dark);
  display:flex;flex-direction:column;
  z-index:60;
  overflow-y:auto;
}
.side-brand{min-height:132px;padding:24px 20px 18px;border-bottom:1px solid rgba(255,255,255,.08);}
.brand-mark{display:flex;align-items:center;gap:10px;}
.brand-mark svg{flex:0 0 auto;}
.side-brand .brand-name{color:#fff;font-size:16px;font-weight:800;letter-spacing:-.01em;line-height:1.3;}
.side-brand .brand-sub{display:block;margin-top:10px;font-size:13px;line-height:1.6;letter-spacing:.02em;color:rgba(232,239,234,.6);}
.side-links{flex:1 1 auto;padding:14px 0;}
.side-links a{
  position:relative;display:flex;align-items:center;
  height:46px;padding-left:20px;
  color:#E8EFEA;font-size:15px;
  border-left:3px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.side-links a:hover{background:rgba(255,255,255,.04);color:#fff;}
.side-links a.is-active{border-left-color:var(--c-accent);background:rgba(255,255,255,.06);color:#fff;font-weight:600;}
.side-nav-tick{
  height:34px;margin:0 20px 14px;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 1px,transparent 1px 9px);
  opacity:.55;
}
.side-foot{padding:0 20px 22px;border-top:1px solid rgba(255,255,255,.08);padding-top:18px;}
.side-foot .btn{width:100%;}
.side-contact{margin-top:16px;font-size:13px;line-height:1.75;letter-spacing:.02em;color:rgba(232,239,234,.62);}
.side-contact strong{display:block;color:rgba(232,239,234,.9);font-weight:600;margin-bottom:2px;}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:70;
  height:56px;background:var(--c-dark);
  align-items:center;justify-content:space-between;
  padding:0 16px;
}
.mobile-bar .m-brand{display:flex;align-items:center;gap:8px;color:#fff;font-size:15px;font-weight:800;}
.mobile-bar .m-brand svg{flex:0 0 auto;}
.nav-toggle{
  width:40px;height:40px;border:0;background:transparent;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:56px;bottom:0;
  background:var(--c-dark);z-index:65;
  padding:8px 20px 32px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.mobile-drawer.is-open{display:block;opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-drawer::before{
  content:"";position:absolute;left:0;top:0;right:0;height:2px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--ease);
}
.mobile-drawer.is-open::before{transform:scaleX(1);}
.mobile-drawer a.m-link{
  display:flex;align-items:center;height:52px;
  color:#E8EFEA;font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-drawer a.m-link.is-active{color:#fff;font-weight:600;box-shadow:inset 3px 0 0 var(--c-accent);padding-left:12px;}
.mobile-drawer .m-cta{margin:22px 0 14px;}
.mobile-drawer .m-cta .btn{width:100%;}
.mobile-drawer .m-info{font-size:13px;line-height:1.8;color:rgba(232,239,234,.6);letter-spacing:.02em;}

/* ---------- 主内容 ---------- */
.page-main{padding-bottom:88px;}
body{overflow-x:hidden;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:13px;letter-spacing:.02em;color:var(--c-muted);
  padding-top:28px;margin-bottom:16px;
}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{opacity:.7;}
.breadcrumb .current{color:var(--c-ink);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  cursor:pointer;text-align:center;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:34px;padding:0 14px;font-size:13px;}
.btn-md{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-secondary{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn-secondary:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-secondary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.btn[disabled],.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{display:inline-flex;align-items:center;font-size:15px;font-weight:600;color:var(--c-primary);}
.link-arrow::after{content:"→";margin-left:6px;transition:transform .2s var(--ease);}
.link-arrow:hover{color:var(--c-primary-deep);}
.link-arrow:hover::after{transform:translateX(3px);}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:var(--r-sm);background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:13px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.tag-num{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-sm);
  background:var(--c-accent-soft);color:var(--c-primary-deep);
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;
}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c-primary);margin-right:6px;}
.dot-accent{background:var(--c-accent);}

/* ---------- 页头 ---------- */
.page-hero{padding-top:8px;}
.hero-inner{
  position:relative;overflow:hidden;
  border:1px solid rgba(15,138,95,.28);border-radius:24px;
  background:var(--c-surface);box-shadow:var(--sh-1);
  padding:52px 48px 48px;
}
.hero-inner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(15,138,95,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(15,138,95,.06) 1px,transparent 1px);
  background-size:48px 48px;
}
.hero-inner::after{
  content:"";position:absolute;left:0;bottom:0;width:132px;height:3px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.hero-inner > *{position:relative;z-index:1;}
.hero-inner h1{
  margin:18px 0 16px;max-width:860px;
  font-size:clamp(30px,4.2vw,52px);line-height:1.16;font-weight:800;
  letter-spacing:-.02em;color:var(--c-ink);
}
.hero-lead{max-width:640px;font-size:17px;line-height:1.8;color:var(--c-body);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;padding-top:22px;
  border-top:1px solid var(--c-line);
  font-size:13px;letter-spacing:.02em;color:var(--c-muted);
}
.hero-meta strong{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--c-ink);font-weight:700;}

/* ---------- 板块 ---------- */
.section{padding:44px 0;}
.section-head{margin-bottom:28px;max-width:820px;}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(24px,2.4vw,34px);line-height:1.26;font-weight:700;
  letter-spacing:-.01em;color:var(--c-ink);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:7px;width:4px;height:22px;border-radius:2px;background:var(--c-primary);
}
.section-note{margin-top:12px;font-size:14px;line-height:1.8;color:var(--c-muted);}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  position:relative;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 20px 22px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,138,95,.4);}
.step::before{
  content:"";position:absolute;top:45px;right:-20px;width:20px;height:2px;
  background:var(--c-line);
}
.step:last-child::before{display:none;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  border:2px solid var(--c-primary);color:var(--c-primary);background:#fff;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:15px;font-weight:700;
}
.step:first-child .step-num{background:var(--c-primary);color:#fff;box-shadow:0 0 0 4px var(--c-primary-soft);}
.step h3{margin:16px 0 8px;font-size:18px;font-weight:700;color:var(--c-ink);line-height:1.45;}
.step p{font-size:14px;line-height:1.75;color:var(--c-muted);}

/* ---------- 卡片栅格 ---------- */
.cards-grid{margin-left:-10px;margin-right:-10px;row-gap:20px;}
.cards-grid > .cell{padding-left:10px;padding-right:10px;}
.venue-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.venue-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,138,95,.4);}
.card-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:var(--c-surface-2);border-bottom:1px solid var(--c-line);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.venue-card:hover .card-media img{transform:scale(1.03);}
.card-body{display:flex;flex-direction:column;flex:1 1 auto;padding:24px;gap:12px;}
.card-body h3{font-size:20px;font-weight:700;line-height:1.45;color:var(--c-ink);}
.card-points{display:flex;flex-direction:column;gap:8px;}
.card-points li{
  position:relative;padding-left:16px;font-size:15px;line-height:1.75;color:var(--c-body);
}
.card-points li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--c-primary);
}
.card-foot{margin-top:auto;padding-top:6px;display:flex;align-items:center;justify-content:space-between;gap:12px;}

/* ---------- 对照说明 ---------- */
.compare{
  display:grid;grid-template-columns:1fr 48px 1fr;align-items:stretch;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.compare-col{padding:26px 24px;}
.compare-before{background:var(--c-surface-2);}
.compare-after{background:var(--c-primary-soft);}
.compare-col h3{font-size:16px;font-weight:700;color:var(--c-ink);margin-bottom:6px;}
.compare-col .hint{font-size:13px;color:var(--c-muted);margin-bottom:14px;}
.compare-col li{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 0;border-bottom:1px solid var(--c-line);
  font-size:15px;line-height:1.6;
}
.compare-col li:last-child{border-bottom:0;}
.compare-col li span{color:var(--c-muted);font-size:14px;white-space:nowrap;}
.compare-col li em{
  font-style:normal;color:var(--c-ink);font-weight:600;text-align:right;
}
.compare-node{position:relative;background:var(--c-surface);}
.compare-node::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--c-line);transform:translateX(-50%);
}
.compare-node::after{
  content:"";position:absolute;left:50%;top:50%;width:12px;height:12px;
  background:var(--c-accent);transform:translate(-50%,-50%) rotate(45deg);border-radius:2px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.faq-side-note{margin-top:14px;font-size:13px;line-height:1.7;color:var(--c-muted);}
.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--c-line) !important;border-radius:14px !important;
  background:var(--c-surface);box-shadow:var(--sh-1);
  margin-bottom:10px;overflow:hidden;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.accordion .accordion-item:hover{box-shadow:var(--sh-2);border-color:rgba(15,138,95,.35) !important;}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:52px;padding:12px 20px;
  background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.accordion .accordion-title::before{display:none !important;content:none !important;}
.accordion .accordion-title:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.accordion .accordion-title .faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-primary);color:var(--c-primary);
  font-size:18px;line-height:1;font-weight:400;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.accordion .accordion-title[aria-expanded="true"] .faq-icon{
  transform:rotate(45deg);background:var(--c-primary);color:#fff;
}
.accordion .accordion-content{
  padding:0 20px 16px 20px !important;border:0 !important;background:transparent !important;
  color:var(--c-body);font-size:15px;line-height:1.85;
}
.accordion .accordion-content p{margin:0 0 8px;}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- 表单 ---------- */
.form-panel{
  max-width:720px;margin:0 auto;
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:20px;
  padding:40px;box-shadow:var(--sh-1);
}
.form-panel .form-title{font-size:22px;font-weight:700;color:var(--c-ink);margin-bottom:8px;}
.form-panel .form-desc{font-size:14px;line-height:1.8;color:var(--c-muted);margin-bottom:26px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--c-muted);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:#fff;color:var(--c-ink);font-size:15px;font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#CBD6CD;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft);
}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%236E7C77' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.field input::placeholder,.field textarea::placeholder{color:#9AA8A2;}
.form-panel .btn{width:100%;}
.form-note{margin-top:12px;font-size:12px;line-height:1.7;color:var(--c-muted);}

/* ---------- CTA 横条 ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:linear-gradient(135deg,var(--c-dark),#123025);
  border-radius:24px;padding:38px 42px;box-shadow:var(--sh-3);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 12px);
  border-radius:50%;pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{
  position:relative;padding-left:16px;color:#fff;
  font-size:clamp(22px,2.2vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em;
}
.cta-band h2::before{
  content:"";position:absolute;left:0;top:7px;width:4px;height:22px;border-radius:2px;background:var(--c-accent);
}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.75;color:rgba(232,239,234,.78);max-width:520px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(232,239,234,.72);padding:56px 0 0;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.site-footer .brand-name{font-size:18px;font-weight:800;color:#fff;letter-spacing:-.01em;}
.site-footer .footer-brand p{margin-top:12px;font-size:14px;line-height:1.8;color:rgba(232,239,234,.62);max-width:360px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;line-height:1.7;}
.footer-col a{color:rgba(232,239,234,.72);}
.footer-col a:hover{color:#fff;}
.footer-contact li{color:rgba(232,239,234,.72);}
.footer-contact strong{color:rgba(232,239,234,.9);font-weight:600;}
.qr-box{
  margin-top:16px;width:96px;height:96px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:rgba(232,239,234,.5);letter-spacing:.02em;
}
.footer-bottom{
  margin-top:44px;padding:18px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;letter-spacing:.02em;color:rgba(232,239,234,.55);
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .page-main,.site-footer{margin-left:var(--nav-w);}
  .mobile-bar,.mobile-drawer{display:none !important;}
}
@media (min-width:1024px) and (max-width:1279px){
  :root{--nav-w:216px;}
}
@media (min-width:1440px){
  .section{padding:52px 0;}
}
@media (max-width:1023px){
  .side-nav{display:none;}
  .mobile-bar{display:flex;}
  .mobile-drawer{display:none;}
  .mobile-drawer.is-open{display:block;}
  .page-container{padding-left:32px;padding-right:32px;}
  .hero-inner{padding:40px 32px 36px;}
  .section{padding:34px 0;}
  .page-main{padding-bottom:64px;}
  .steps{grid-template-columns:repeat(2,1fr);gap:16px;}
  .step::before{display:none;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .page-container{padding-left:20px;padding-right:20px;}
  .breadcrumb{padding-top:20px;}
  .hero-inner{padding:30px 20px 28px;border-radius:18px;}
  .hero-inner h1{margin:14px 0 12px;}
  .hero-lead{font-size:15px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-meta{gap:12px 18px;font-size:12px;}
  .section{padding:26px 0;}
  .section-head{margin-bottom:20px;}
  .steps{grid-template-columns:1fr;}
  .card-body{padding:20px;}
  .card-body h3{font-size:18px;}
  .compare{grid-template-columns:1fr;}
  .compare-node{height:32px;background:var(--c-surface);}
  .compare-node::before{left:0;right:0;top:50%;bottom:auto;width:auto;height:1px;transform:none;}
  .compare-node::after{top:50%;left:50%;}
  .compare-col{padding:22px 18px;}
  .compare-col li{flex-direction:column;align-items:flex-start;gap:2px;}
  .compare-col li em{text-align:left;}
  .form-panel{padding:22px 18px;border-radius:16px;}
  .form-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;border-radius:18px;}
  .cta-band .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:479px){
  .hero-actions .btn{width:100%;}
  .badge{font-size:12px;padding:0 8px;}
  .card-foot{flex-direction:column;align-items:flex-start;gap:8px;}
  .card-foot .btn{width:100%;}
}