/* roulang page: index */
:root{
  --green-900:#0B5D4B;
  --green-700:#12876B;
  --green-050:#E8F3EF;
  --mint:#DCEFE8;
  --orange:#F0833A;
  --orange-dark:#D96A22;
  --orange-050:#FDF0E5;
  --ink-dark:#0A2B24;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#14201D;
  --text-2:#55635E;
  --line:#E3E0D8;
  --ok:#2E9E6B;
  --warn:#E0A020;
  --err:#C4483C;
  --grad:linear-gradient(135deg,#0B5D4B 0%,#12876B 80%,#F0833A 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow:0 8px 24px rgba(10,43,36,.06);
  --shadow-hover:0 16px 36px rgba(10,43,36,.12);
  --sidenav-w:240px;
  --t:220ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--green-900);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--orange-dark);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid rgba(18,135,107,.35);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;font-weight:800;letter-spacing:-.5px;}
h2{font-size:clamp(24px,2.4vw,34px);line-height:1.35;font-weight:750;}
h3{font-size:clamp(18px,1.4vw,22px);line-height:1.45;font-weight:700;}
p{font-size:16px;color:var(--text-2);}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--green-900);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-sm) 0;z-index:999;}
.skip-link:focus{left:0;}

/* ============ 左侧导航 ============ */
.sidenav{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidenav-w);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:24px;
  padding:30px 22px 24px;z-index:70;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:19px;font-weight:800;color:var(--ink-dark);letter-spacing:.5px;}
.brand-sub{font-size:12px;color:var(--text-2);letter-spacing:.6px;}
.nav-list{display:flex;flex-direction:column;gap:6px;margin-top:6px;}
.nav-label{font-size:12px;color:var(--text-2);letter-spacing:1.5px;padding:0 12px 6px;}
.nav-item{
  display:block;padding:11px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--text);
  border-left:4px solid transparent;transition:all var(--t);
}
.nav-item:hover{background:var(--green-050);color:var(--green-900);}
.nav-item.active{
  background:var(--green-050);color:var(--green-900);
  border-left-color:var(--green-900);
}
.sidenav-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.sidenav-note{font-size:12.5px;color:var(--text-2);line-height:1.6;}
.sidenav-note strong{color:var(--ink-dark);font-weight:700;}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:12px 18px;
}
.topbar .brand-name{font-size:17px;}
.burger{
  width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;background:#fff;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink-dark);border-radius:2px;transition:all var(--t);}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,43,36,.55);
  opacity:0;visibility:hidden;transition:all var(--t);z-index:75;
}
.drawer-mask.show{opacity:1;visibility:visible;}

/* ============ 布局 ============ */
.content{margin-left:var(--sidenav-w);}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
section{padding:92px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--green-700);
  letter-spacing:1.6px;margin-bottom:10px;
}
.section-head h2{color:var(--ink-dark);max-width:760px;}
.section-head p{margin-top:12px;max-width:680px;}
.more-link{font-size:15px;font-weight:700;color:var(--green-900);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.more-link::after{content:"→";transition:transform var(--t);}
.more-link:hover::after{transform:translateX(4px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-sm);font-size:16px;font-weight:700;
  transition:all var(--t);text-align:center;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(11,93,75,.22);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(11,93,75,.28);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid var(--green-900);color:var(--green-900);background:transparent;}
.btn-ghost:hover{background:var(--green-050);transform:translateY(-2px);color:var(--green-900);}
.btn-light{background:#fff;color:var(--green-900);}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);color:var(--green-900);}
.btn-block{width:100%;}

/* ============ Hero ============ */
.hero{
  position:relative;padding:0;color:#fff;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(10,43,36,.94) 0%,rgba(11,93,75,.88) 55%,rgba(18,135,107,.72) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .95fr;gap:56px;align-items:center;padding:96px 0 88px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(240,131,58,.16);border:1px solid rgba(240,131,58,.55);color:#FFD9BE;
  margin-bottom:22px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(240,131,58,.22);}
.hero h1{color:#fff;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:#8FE3C6;}
.hero-lead{font-size:18px;line-height:1.75;color:rgba(255,255,255,.85);max-width:620px;margin-bottom:16px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 32px;}
.hero-points li{
  font-size:13.5px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.9);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:16px;backdrop-filter:blur(6px);
}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);}
.hero-visual figcaption{font-size:13px;color:rgba(255,255,255,.7);padding:12px 6px 2px;}

/* ============ 指标看板 ============ */
.metrics{padding:0;background:var(--ink-dark);color:#fff;}
.metrics-inner{padding:64px 0;}
.metrics-inner .metrics-title{font-size:15px;letter-spacing:1.5px;color:#8FE3C6;font-weight:700;margin-bottom:8px;}
.metrics-inner h2{color:#fff;margin-bottom:36px;}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.metric{
  padding:8px 26px;border-left:1px solid rgba(255,255,255,.14);
}
.metric:first-child{border-left:none;padding-left:0;}
.metric-num{
  font-size:clamp(30px,3.2vw,40px);font-weight:800;color:#fff;
  letter-spacing:-1px;line-height:1.1;
}
.metric-num span{font-size:16px;font-weight:700;color:var(--orange);margin-left:4px;}
.metric-num::after{
  content:"";display:block;width:40px;height:4px;border-radius:2px;
  background:var(--grad);margin-top:12px;
}
.metric p{font-size:14px;color:rgba(255,255,255,.72);margin-top:12px;line-height:1.7;}

/* ============ 服务矩阵 ============ */
.svc-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.svc-card{
  grid-column:span 4;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--shadow);
  transition:all var(--t);display:flex;flex-direction:column;gap:12px;
}
.svc-card:hover{transform:translateY(-4px);border-color:var(--green-700);box-shadow:var(--shadow-hover);}
.svc-card.wide{grid-column:span 6;}
.svc-icon{
  width:44px;height:44px;border-radius:13px;background:var(--green-050);
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--green-900);
}
.svc-card.wide .svc-icon{background:var(--orange-050);color:var(--orange-dark);}
.svc-card h3{color:var(--ink-dark);}
.svc-card p{font-size:15px;}
.svc-card .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px;}
.tag{
  font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;
  background:var(--green-050);color:var(--green-900);
}
.tag.warm{background:var(--orange-050);color:var(--orange-dark);}
.svc-card .svc-cta{font-size:14.5px;font-weight:700;color:var(--green-900);margin-top:auto;}
.svc-card .svc-cta::after{content:"→";margin-left:6px;}

/* ============ 结果对比 ============ */
.compare{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.bar-anchor{
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
  background:var(--grad);color:#fff;border-radius:var(--r-md);
  padding:20px 26px;margin-bottom:38px;
}
.bar-anchor strong{font-size:17px;}
.bar-anchor span{font-size:14px;color:rgba(255,255,255,.85);}
.compare-rows{border-top:1px solid var(--line);}
.cmp-row{
  display:grid;grid-template-columns:1.1fr 1.4fr 1.4fr;gap:24px;align-items:center;
  padding:22px 4px;border-bottom:1px solid var(--line);
}
.cmp-dim{font-weight:700;color:var(--ink-dark);font-size:16px;}
.cmp-cell{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);}
.cmp-cell .pin{width:9px;height:9px;border-radius:50%;flex:0 0 auto;margin-top:8px;}
.pin.before{background:#C9C6BC;}
.pin.after{background:var(--green-700);box-shadow:0 0 0 4px rgba(18,135,107,.14);}
.cmp-head{display:grid;grid-template-columns:1.1fr 1.4fr 1.4fr;gap:24px;padding-bottom:12px;}
.cmp-head div{font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--text-2);}
.cmp-head div:last-child{color:var(--green-900);}

/* ============ 最新信息 ============ */
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);transition:all var(--t);
  display:flex;flex-direction:column;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--green-700);box-shadow:var(--shadow-hover);}
.post-thumb{aspect-ratio:8/5;overflow:hidden;background:var(--green-050);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-2);}
.badge{
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;
  background:var(--green-050);color:var(--green-900);
}
.post-body h3{font-size:18px;color:var(--ink-dark);line-height:1.5;}
.post-body h3 a{color:inherit;}
.post-body h3 a:hover{color:var(--green-900);}
.post-summary{font-size:14.5px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-more{margin-top:auto;font-size:14px;font-weight:700;color:var(--green-900);}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:20px;background:var(--green-050);color:var(--green-900);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:26px;
}
.empty-state p{margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:all var(--t);
}
.faq-item[open]{border-color:var(--green-700);box-shadow:var(--shadow);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 24px 20px 26px;
  font-size:16.5px;font-weight:700;color:var(--ink-dark);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-left:4px solid transparent;transition:all var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";width:9px;height:9px;border-right:2px solid var(--green-900);
  border-bottom:2px solid var(--green-900);transform:rotate(45deg);
  transition:transform var(--t);flex:0 0 auto;margin-right:4px;
}
.faq-item[open] summary{border-left-color:var(--green-900);}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item .faq-body{padding:0 26px 22px;font-size:15.5px;line-height:1.8;color:var(--text-2);}

/* ============ 表单 CTA ============ */
.cta-section{padding:0 0 96px;}
.cta-box{
  display:grid;grid-template-columns:1fr 1.05fr;gap:0;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);
}
.cta-left{
  position:relative;padding:52px 44px;color:#fff;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-left::before{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(10,43,36,.95),rgba(11,93,75,.86));}
.cta-left>*{position:relative;z-index:2;}
.cta-left h2{color:#fff;margin-bottom:16px;}
.cta-left p{color:rgba(255,255,255,.82);font-size:15.5px;}
.cta-facts{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.cta-facts li{display:flex;gap:12px;font-size:14.5px;color:rgba(255,255,255,.86);}
.cta-facts li b{color:#8FE3C6;font-weight:700;}
.cta-right{padding:44px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:600;color:var(--ink-dark);}
.field label .req{color:var(--orange-dark);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#FCFBF8;font-size:15px;transition:all var(--t);
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--green-700);background:#fff;outline:none;
  box-shadow:0 0 0 3px rgba(18,135,107,.14);
}
.field textarea{min-height:112px;resize:vertical;}
.field.error input,.field.error select,.field.error textarea{border-color:var(--err);background:#FDF6F5;}
.field .err-msg{font-size:12.5px;color:var(--err);display:none;}
.field.error .err-msg{display:block;}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-2);}
.check-line input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--green-900);}
.form-note{font-size:13px;color:var(--text-2);margin-top:14px;}
.form-alert{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;
}
.form-alert.ok{display:block;background:rgba(46,158,107,.1);color:#1F7A52;border:1px solid rgba(46,158,107,.3);}
.form-alert.bad{display:block;background:rgba(196,72,60,.08);color:var(--err);border:1px solid rgba(196,72,60,.28);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-dark);color:rgba(255,255,255,.78);padding:64px 0 28px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.6);}
.footer-desc{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.72);margin-top:18px;max-width:340px;}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:1.2px;margin-bottom:18px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.75);}
.footer-col a:hover{color:var(--orange);text-decoration:underline;text-underline-offset:4px;}
.footer-col p{font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.9;}
.footer-col p strong{color:#fff;font-weight:700;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:24px;font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .container{padding:0 28px;}
}
@media (max-width:1199px){
  .sidenav{
    transform:translateX(-100%);transition:transform 240ms cubic-bezier(.4,0,.2,1);
    box-shadow:0 0 40px rgba(10,43,36,.25);width:280px;
  }
  .sidenav.open{transform:translateX(0);}
  .content{margin-left:0;}
  .topbar{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:72px 0 68px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .metric{padding:8px 22px;}
  .metric:nth-child(odd){border-left:none;padding-left:0;}
  .svc-card,.svc-card.wide{grid-column:span 6;}
  .posts-grid{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;gap:36px;}
  .cta-box{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:1023px){
  section{padding:64px 0;}
  .cmp-row,.cmp-head{grid-template-columns:1fr 1fr 1fr;gap:16px;}
  .cmp-head{display:none;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  section{padding:52px 0;}
  .container{padding:0 18px;}
  .svc-card,.svc-card.wide{grid-column:span 12;}
  .posts-grid{grid-template-columns:1fr;}
  .cmp-row{grid-template-columns:1fr;gap:10px;padding:20px 0;}
  .cmp-dim{margin-bottom:4px;}
  .form-grid{grid-template-columns:1fr;}
  .cta-left,.cta-right{padding:34px 22px;}
  .cta-section{padding-bottom:56px;}
  .footer-top{grid-template-columns:1fr;gap:30px;}
  .hero-actions .btn{width:100%;}
  .metrics-inner{padding:48px 0;}
}
@media (max-width:519px){
  h1{font-size:27px;}
  .metric-grid{grid-template-columns:1fr;gap:24px;}
  .metric{border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:22px;}
  .metric:first-child{border-top:none;padding-top:0;}
  .btn{padding:13px 20px;font-size:15px;}
  .brand-sub{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --primary:#0B5D4B;
  --primary-light:#12876B;
  --accent:#F0833A;
  --accent-dark:#D96A22;
  --ink:#0A2B24;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#14201D;
  --muted:#55635E;
  --border:#E3E0D8;
  --success:#2E9E6B;
  --warn:#E0A020;
  --danger:#C4483C;
  --mint:#E4F1EC;
  --mint-soft:#EEF6F3;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(10,43,36,.06);
  --shadow-hover:0 16px 36px rgba(10,43,36,.12);
  --grad:linear-gradient(135deg,#0B5D4B 0%,#12876B 80%,#F0833A 100%);
  --sidebar-w:240px;
  --ease:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
a:hover{color:var(--primary-light)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(11,93,75,.35);outline-offset:2px;border-radius:8px}
.container{width:min(1200px,100% - 56px);margin-inline:auto}

/* ---------- 布局骨架：左侧竖向导航 ---------- */
.app-shell{display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);min-height:100vh}
.sidebar{
  position:sticky;top:0;height:100vh;
  background:#fff;border-right:1px solid var(--border);
  padding:26px 18px 22px;display:flex;flex-direction:column;gap:22px;
  z-index:40;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:.5px;
  flex:none;box-shadow:0 8px 18px rgba(11,93,75,.22);
}
.brand-name{display:block;font-weight:700;font-size:17px;color:var(--text);line-height:1.3}
.brand-sub{display:block;font-size:12px;color:var(--muted);line-height:1.5}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-label{font-size:12px;letter-spacing:.18em;color:var(--muted);padding:0 12px 2px}
.nav-item{
  position:relative;display:block;padding:11px 14px;border-radius:var(--radius-sm);
  color:#2c3a36;font-size:15px;font-weight:500;
}
.nav-item:hover{background:var(--mint-soft);color:var(--primary)}
.nav-item.active{background:var(--mint);color:var(--primary);font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;
  border-radius:999px;background:var(--grad);
}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.sidebar-contact{font-size:12.5px;color:var(--muted);line-height:1.7}
.sidebar-contact strong{color:var(--text);font-weight:600}
.main-col{display:flex;flex-direction:column;min-width:0}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 20px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;
  display:grid;place-items:center;cursor:pointer;transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--mint-soft);border-color:var(--primary-light)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--primary);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.sidebar-backdrop{
  position:fixed;inset:0;background:rgba(10,43,36,.5);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:35;
}
.sidebar-backdrop.show{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),filter var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(11,93,75,.22)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(11,93,75,.28);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:#fff}
.btn-outline:hover{background:var(--mint);color:var(--primary);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--mint);color:var(--primary);letter-spacing:.02em;
}
.tag-accent{background:#FDEDE1;color:var(--accent-dark)}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:#FDEDE1;color:var(--accent-dark);
}

/* ---------- 页面首屏 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;opacity:.36;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(11,93,75,.94) 0%,rgba(10,43,36,.86) 62%,rgba(240,131,58,.34) 100%);
}
.page-hero .container{position:relative;z-index:2;padding:64px 0 0}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.78);flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.9)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs .sep{opacity:.55}
.page-hero h1{
  margin:18px 0 16px;font-size:clamp(30px,4.2vw,50px);line-height:1.25;letter-spacing:-.02em;
  max-width:16em;
}
.hero-lead{font-size:clamp(15px,1.4vw,17px);line-height:1.8;color:rgba(255,255,255,.86);max-width:44em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:44px;border-top:1px solid rgba(255,255,255,.2);
}
.stat-item{padding:22px 22px 26px;border-right:1px solid rgba(255,255,255,.14)}
.stat-item:last-child{border-right:0}
.stat-item strong{display:block;font-size:clamp(24px,3vw,34px);font-weight:700;color:#fff;line-height:1.2}
.stat-item span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.74)}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16.5px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--primary-light);margin-bottom:12px;
}

/* ---------- 图文左右交替 ---------- */
.feature-row{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center}
.feature-row + .feature-row{margin-top:84px}
.feature-row.reverse .feature-media{order:2}
.feature-media img{
  width:100%;aspect-ratio:8/5;object-fit:cover;border-radius:var(--radius-lg);
  border:1px solid var(--border);box-shadow:var(--shadow);
}
.feature-body h3{font-size:22px;margin:14px 0 12px}
.feature-body p{color:var(--muted);margin-bottom:16px}
.dot-list{display:flex;flex-direction:column;gap:10px}
.dot-list li{position:relative;padding-left:22px;color:var(--text);font-size:15.5px}
.dot-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:999px;
  background:var(--grad);
}

/* ---------- 要点清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 28px}
.check-item{
  display:flex;gap:14px;padding:18px 20px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-md);box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}
.check-icon{
  flex:none;width:26px;height:26px;border-radius:999px;background:var(--mint);color:var(--primary);
  display:grid;place-items:center;font-size:14px;font-weight:700;margin-top:3px;
}
.check-item h4{font-size:16px;margin-bottom:4px}
.check-item p{font-size:14.5px;color:var(--muted)}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}
.scene-card h3{font-size:19px;margin:14px 0 10px}
.scene-card p{color:var(--muted);font-size:15px}
.scene-card .scene-foot{margin-top:16px;font-size:14.5px;font-weight:600;color:var(--primary)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);
  box-shadow:var(--shadow);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:var(--primary-light);box-shadow:var(--shadow-hover);position:relative}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 26px;font-size:16.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-arrow{
  flex:none;width:22px;height:22px;border-radius:999px;background:var(--mint);color:var(--primary);
  display:grid;place-items:center;font-size:12px;transition:transform var(--ease);
}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-body{padding:0 26px 22px;color:var(--muted);font-size:15.5px}

/* ---------- 表单 + CTA ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start}
.contact-aside h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:14px}
.contact-aside p{color:var(--muted);margin-bottom:22px}
.trust-list{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.trust-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text)}
.trust-list li span{color:var(--primary);font-weight:700}
.form-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:34px;box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--text)}
.field .req{color:var(--accent-dark);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:#fff;font-size:15px;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:112px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(18,135,107,.18);
}
.field input.error,.field select.error,.field textarea.error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(196,72,60,.14)}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);grid-column:1 / -1}
.consent input{width:17px;height:17px;margin-top:4px;accent-color:var(--primary)}
.form-msg{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--radius-sm);font-size:14.5px}
.form-msg.ok{display:block;background:#E7F5EE;color:#1c6b4b;border:1px solid #BFE3D0}
.form-msg.err{display:block;background:#FBEAE8;color:#93352b;border:1px solid #F0C6C1}
.cta-band{
  margin-top:76px;background:var(--grad);border-radius:var(--radius-lg);padding:44px 46px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  box-shadow:0 20px 44px rgba(11,93,75,.22);
}
.cta-band h3{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;color:#fff}
.cta-band p{color:rgba(255,255,255,.88);font-size:15.5px;max-width:40em}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.7)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);margin-top:0}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding:64px 0 40px;
}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:rgba(255,255,255,.6)}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:34em}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.74);font-size:14.5px}
.footer-col a:hover{color:var(--accent);text-decoration:underline}
.footer-col p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.7)}
.footer-col strong{color:#fff;font-weight:600}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .container{width:min(1120px,100% - 48px)}
}
@media (max-width:1199px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:284px;height:100%;
    transform:translateX(-102%);transition:transform var(--ease);
    box-shadow:var(--shadow-hover);overflow-y:auto;
  }
  .sidebar.open{transform:translateX(0)}
  .mobile-bar{display:flex;position:sticky;top:0;z-index:30}
  .section{padding:64px 0}
  .feature-row{gap:36px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1.4fr 1fr;gap:28px}
}
@media (max-width:1023px){
  .feature-row{grid-template-columns:1fr;gap:26px}
  .feature-row.reverse .feature-media{order:0}
  .feature-row + .feature-row{margin-top:60px}
  .contact-wrap{grid-template-columns:1fr;gap:32px}
  .check-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container{width:calc(100% - 36px)}
  .section{padding:52px 0}
  .page-hero .container{padding-top:44px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-item{padding:18px 14px;border-bottom:1px solid rgba(255,255,255,.14)}
  .stat-item:nth-child(2n){border-right:0}
  .scene-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:24px}
  .cta-band{padding:32px 26px}
  .faq-item summary{padding:18px 20px;font-size:15.5px}
  .faq-body{padding:0 20px 20px}
  .footer-top{grid-template-columns:1fr;padding:48px 0 32px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .page-hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .stat-strip{grid-template-columns:1fr}
  .stat-item{border-right:0}
  .btn{padding:12px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand:#0B5D4B;
  --brand-light:#12876B;
  --brand-soft:#E4F2EC;
  --brand-soft-2:#EAF4F0;
  --accent:#F0833A;
  --accent-deep:#D96A22;
  --accent-soft:#FDEEE2;
  --ink:#0A2B24;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#14201D;
  --muted:#55635E;
  --border:#E3E0D8;
  --ok:#2E9E6B;
  --warn:#E0A020;
  --err:#C4483C;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(10,43,36,.06);
  --shadow-hover:0 16px 36px rgba(10,43,36,.12);
  --sidebar-w:240px;
  --font:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--ink)}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0}
:focus-visible{outline:3px solid rgba(18,135,107,.38);outline-offset:2px;border-radius:6px}

/* ---------- 布局骨架 ---------- */
.page-shell{min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  display:flex;flex-direction:column;
  padding:28px 18px 24px;
  background:var(--card);
  border-right:1px solid var(--border);
  z-index:70;
}
.main-area{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 40px}

/* ---------- 品牌 ---------- */
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#0B5D4B 0%,#12876B 70%,#F0833A 140%);
  color:#fff;font-weight:800;font-size:14px;letter-spacing:.04em;
}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.brand-sub{font-size:12px;color:var(--muted);margin-top:1px}

/* ---------- 侧边导航 ---------- */
.nav-list{display:flex;flex-direction:column;gap:4px;margin-top:32px;flex:1 1 auto}
.nav-label{
  display:block;font-size:12px;letter-spacing:.18em;color:#9AA6A0;
  padding:0 14px;margin-bottom:8px;
}
.nav-item{
  display:flex;align-items:center;
  padding:11px 14px;
  border-radius:var(--radius-sm);
  font-size:15px;color:#2C3B36;
  border-left:4px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.nav-item:hover{background:var(--brand-soft-2);color:var(--brand)}
.nav-item:active{background:var(--brand-soft)}
.nav-item.active{
  background:var(--brand-soft);
  color:var(--brand);
  border-left-color:var(--brand);
  font-weight:600;
}
.sidebar-cta{margin-top:18px;width:100%}
.sidebar-contact{
  margin:14px 2px 0;font-size:12.5px;line-height:1.7;color:var(--muted);
  padding-top:14px;border-top:1px solid var(--border);
}
.menu-toggle{
  display:none;flex-direction:column;gap:5px;
  width:44px;height:44px;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
  cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);transition:transform .22s ease,opacity .22s ease}
.nav-overlay{
  position:fixed;inset:0;z-index:60;
  background:rgba(10,43,36,.48);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
}
.nav-overlay.open{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,filter .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#0B5D4B 0%,#12876B 68%,#F0833A 145%);
  color:#fff;box-shadow:0 10px 24px rgba(10,43,36,.18);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(10,43,36,.26)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft-2);border-color:#BEDFD3;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.42);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:var(--brand-soft);color:var(--brand);
}
.badge-accent{background:var(--accent-soft);color:var(--accent-deep)}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-light);margin-bottom:12px;
}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:52px 0 64px;
  border-bottom:1px solid var(--border);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.16;
}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,131,58,.24),rgba(240,131,58,0) 68%);
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline}
.breadcrumb .sep{color:#B6C0BB}
.breadcrumb .now{color:#2C3B36;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.article-title{
  font-size:clamp(28px,3.2vw,42px);
  line-height:1.28;letter-spacing:-.01em;max-width:22em;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;
  margin-top:20px;font-size:14px;color:var(--muted);
}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:#C6CFCA;display:inline-block}

/* ---------- 文章主体 ---------- */
.article-section{padding:0 0 8px}
.article-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:48px;
  margin-top:-40px;
  position:relative;z-index:2;
}
.article-body{
  max-width:780px;margin:0 auto;
  font-size:16.5px;line-height:1.85;color:#1E2B27;
}
.article-body h2{
  position:relative;
  font-size:26px;line-height:1.4;
  margin:42px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;
  width:4px;height:20px;border-radius:2px;
  background:linear-gradient(180deg,#0B5D4B,#12876B);
}
.article-body h3{font-size:20px;margin:30px 0 12px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px}
.article-body ul li,.article-body ol li{margin-bottom:9px}
.article-body ul li::marker{color:var(--brand-light)}
.article-body ol li::marker{color:var(--brand-light);font-weight:600}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(11,93,75,.3)}
.article-body a:hover{color:var(--accent-deep);border-bottom-color:rgba(217,106,34,.5)}
.article-body blockquote{
  margin:22px 0;padding:18px 22px;
  background:#FFF8F2;border-left:4px solid var(--accent);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:#3A4A45;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:22px auto;box-shadow:var(--shadow)}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body code{
  background:#F1EFE9;padding:2px 6px;border-radius:6px;
  font-size:.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#0A2B24;color:#E6F1EC;padding:18px 20px;border-radius:var(--radius-md);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:20px 0;
}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body table{
  display:block;overflow-x:auto;width:100%;
  border-collapse:collapse;margin:22px 0;font-size:15px;
}
.article-body th{
  background:var(--ink);color:#fff;text-align:left;
  padding:12px 16px;white-space:nowrap;
}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--border);white-space:nowrap}
.article-body tr:nth-child(even) td{background:#FAF9F5}
.article-body hr{border:0;border-top:1px solid var(--border);margin:32px 0}
.article-actions{
  max-width:780px;margin:40px auto 0;padding-top:28px;
  border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
}
.article-actions .note{font-size:13.5px;color:var(--muted);margin-right:auto}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:620px;margin:20px auto;text-align:center;
  padding:48px 32px;border:1px dashed #CFD8D3;border-radius:var(--radius-lg);
  background:#FBFAF7;
}
.empty-icon{
  width:64px;height:64px;border-radius:20px;margin:0 auto 20px;
  background:linear-gradient(135deg,#0B5D4B,#12876B 70%,#F0833A 145%);
  opacity:.9;
  display:grid;place-items:center;color:#fff;font-size:24px;font-weight:800;
}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{color:var(--muted);max-width:46ch;margin:0 auto 24px}

/* ---------- 相关推荐 ---------- */
.related{padding:88px 0 24px}
.section-head{
  display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;
  justify-content:space-between;margin-bottom:32px;
}
.section-head h2{font-size:clamp(24px,2.4vw,32px)}
.text-link{
  font-size:14.5px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid rgba(11,93,75,.28);padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.text-link:hover{color:var(--accent-deep);border-bottom-color:rgba(217,106,34,.5)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-light)}
.post-media{aspect-ratio:8/5;overflow:hidden;background:#EDEAE3}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-media img{transform:scale(1.04)}
.post-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-body h3{font-size:19px;line-height:1.45}
.post-body p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75}
.post-body .badge{align-self:flex-start}
.post-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand)}
.post-card:hover .post-more{color:var(--accent-deep)}

/* ---------- CTA ---------- */
.cta-band{padding:72px 0 96px}
.cta-inner{
  background:linear-gradient(135deg,#0A2B24 0%,#0B5D4B 62%,#12876B 100%);
  border-radius:var(--radius-lg);
  padding:52px 48px;
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,131,58,.32),rgba(240,131,58,0) 70%);
}
.cta-copy{position:relative;z-index:1;max-width:620px}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.cta-copy p{color:rgba(255,255,255,.78);margin:0;font-size:15.5px;line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:auto}
.site-footer .container{padding-top:64px;padding-bottom:28px}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:rgba(255,255,255,.55)}
.footer-desc{margin:18px 0 0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:40ch}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col p{font-size:14px;line-height:1.9;margin:0;color:rgba(255,255,255,.62)}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,text-decoration-color .2s ease}
.footer-col a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.footer-col strong{color:rgba(255,255,255,.86);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .sidebar{
    top:0;left:0;right:0;bottom:auto;width:100%;height:64px;
    flex-direction:row;align-items:center;justify-content:space-between;
    padding:0 20px;border-right:0;border-bottom:1px solid var(--border);
  }
  .brand-mark{width:36px;height:36px;border-radius:12px;font-size:12px}
  .brand-name{font-size:16px}
  .brand-sub{display:none}
  .menu-toggle{display:inline-flex}
  .sidebar-cta,.sidebar-contact{display:none}
  .nav-list{
    position:fixed;top:64px;left:0;bottom:0;width:min(320px,84vw);
    margin:0;padding:22px 18px;gap:6px;
    background:#fff;border-right:1px solid var(--border);
    overflow-y:auto;flex:0 0 auto;
    transform:translateX(-102%);
    transition:transform .24s ease;
    z-index:65;
  }
  .nav-list.open{transform:translateX(0)}
  .main-area{margin-left:0;padding-top:64px}
  .article-card{margin-top:28px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .container{padding:0 28px}
  .article-card{padding:36px}
  .article-hero{padding:40px 0 56px}
  .related{padding:64px 0 16px}
  .cta-inner{padding:40px 32px}
  .cta-band{padding:56px 0 72px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 20px}
  .article-card{padding:24px 20px;border-radius:var(--radius-md)}
  .article-body{font-size:16px;line-height:1.8}
  .article-body h2{font-size:22px;margin:32px 0 14px}
  .article-body h3{font-size:18px}
  .breadcrumb .now{max-width:100%;white-space:normal}
  .card-grid{grid-template-columns:1fr}
  .related{padding:52px 0 8px}
  .cta-band{padding:44px 0 56px}
  .cta-inner{padding:32px 22px;border-radius:var(--radius-md)}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .article-actions{flex-direction:column;align-items:stretch}
  .article-actions .note{margin:0 0 4px}
  .article-actions .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .site-footer .container{padding-top:48px}
  .empty-state{padding:36px 20px}
}
@media (max-width:479px){
  .article-title{font-size:25px}
  .meta-row{font-size:13px;gap:8px 14px}
  .section-head h2{font-size:22px}
  .post-body{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --brand:#0B5D4B;
  --brand-light:#12876B;
  --accent:#F0833A;
  --accent-deep:#D96A22;
  --ink:#0A2B24;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#14201D;
  --muted:#55635E;
  --line:#E3E0D8;
  --ok:#2E9E6B;
  --warn:#E0A020;
  --err:#C4483C;
  --mint:#E7F2EE;
  --peach:#FDEFE3;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(10,43,36,.06);
  --shadow-lg:0 16px 36px rgba(10,43,36,.12);
  --grad:linear-gradient(135deg,#0B5D4B 0%,#12876B 80%,#F0833A 100%);
  --side-w:240px;
  --ease:220ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
strong{font-weight:700}

/* ---------- 布局骨架 ---------- */
.site-side{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--ink);
  color:#E9F2EE;
  padding:26px 18px 22px;
  display:flex;
  flex-direction:column;
  gap:22px;
  z-index:60;
}
.site-main{
  margin-left:var(--side-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.container{
  width:100%;
  max-width:1080px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 品牌 ---------- */
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.brand-mark{
  width:38px;height:38px;flex:none;
  border-radius:12px;
  background:var(--grad);
  display:grid;place-items:center;
  font-weight:800;font-size:14px;letter-spacing:.5px;color:#fff;
}
.brand-name{display:block;font-size:17px;font-weight:700;line-height:1.3}
.brand-sub{display:block;font-size:12px;color:#9DBDB3;line-height:1.4}

/* ---------- 侧栏导航 ---------- */
.nav-list{display:flex;flex-direction:column;gap:6px;flex:1}
.nav-label{
  font-size:11.5px;
  letter-spacing:.18em;
  color:#7FA79A;
  margin-bottom:8px;
  font-weight:600;
}
.nav-item{
  position:relative;
  display:block;
  padding:11px 14px;
  border-radius:var(--radius-sm);
  color:#CFE3DC;
  font-size:14.5px;
  transition:background var(--ease),color var(--ease);
}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:rgba(18,135,107,.32);color:#fff;font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:0 4px 4px 0;background:var(--accent);
}
.nav-item:focus-visible{outline:3px solid rgba(240,131,58,.6);outline-offset:2px}
.nav-cta{display:none}

.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}
.side-note{font-size:12.5px;color:#93B4AA;line-height:1.8}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(11,93,75,.24)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(11,93,75,.3)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--mint)}
.btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid rgba(18,135,107,.42);outline-offset:2px}
.btn-block{width:100%}

.nav-toggle{
  display:none;width:44px;height:44px;flex:none;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  cursor:pointer;padding:0;
  place-items:center;
}
.nav-toggle .bars,
.nav-toggle .bars::before,
.nav-toggle .bars::after{
  display:block;width:18px;height:2px;background:#fff;border-radius:2px;
  transition:transform var(--ease);
}
.nav-toggle .bars{position:relative}
.nav-toggle .bars::before{content:"";position:absolute;top:-6px;left:0}
.nav-toggle .bars::after{content:"";position:absolute;top:6px;left:0}
.nav-toggle:focus-visible{outline:3px solid rgba(240,131,58,.6);outline-offset:2px}

.drawer-mask{
  position:fixed;inset:0;
  background:rgba(10,43,36,.58);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:55;
}
.drawer-mask.show{opacity:1;visibility:visible}

/* ---------- 面包屑 / Hero ---------- */
.page-hero{
  position:relative;
  color:#fff;
  padding:58px 0 54px;
  background-image:linear-gradient(120deg,rgba(10,43,36,.92),rgba(11,93,75,.82)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:#BFD8CF;margin-bottom:18px;
}
.crumb a{color:#DCEBE5}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb i{font-style:normal;color:#7FA79A}
.page-hero h1{
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:.5px;
  margin-bottom:16px;
}
.hero-lead{
  max-width:720px;
  font-size:16.5px;
  color:#D3E4DE;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  font-size:13px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  color:#E4F1EC;
}
.hero-metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin-top:32px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.07);
  overflow:hidden;
}
.hero-metrics > div{
  padding:18px 20px;
  border-right:1px solid rgba(255,255,255,.14);
}
.hero-metrics > div:last-child{border-right:0}
.hero-metrics strong{
  display:block;
  font-size:27px;
  font-weight:800;
  line-height:1.25;
  font-variant-numeric:tabular-nums;
  color:#fff;
}
.hero-metrics span{font-size:12.8px;color:#B9D3CB;line-height:1.6}

/* ---------- 板块 ---------- */
.section{padding:84px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:var(--mint);
  color:var(--brand);
  font-size:13px;font-weight:600;
  margin-bottom:14px;
}
.sec-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
  color:var(--ink);
  margin-bottom:14px;
}
.sec-head p{color:var(--muted);font-size:16px}

/* ---------- 横向对比锚点条 ---------- */
.compare-bar{
  display:flex;
  border-radius:var(--radius-md);
  overflow:hidden;
  margin-bottom:28px;
  box-shadow:var(--shadow);
}
.compare-bar > div{
  flex:1;
  padding:16px 22px;
  font-size:14.5px;
  font-weight:600;
  display:flex;align-items:center;gap:10px;
}
.bar-a{background:var(--ink);color:#fff}
.bar-b{background:linear-gradient(135deg,#F0833A,#D96A22);color:#fff}

/* ---------- 对比矩阵 ---------- */
.compare{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--card);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.compare-head,
.compare-row{display:grid;grid-template-columns:190px 1fr 1fr}
.compare-head{background:var(--ink);color:#fff;font-size:14px}
.compare-head > div{padding:16px 22px;font-weight:600}
.compare-head .col-env{border-left:1px solid rgba(255,255,255,.14)}
.compare-row{border-top:1px solid var(--line)}
.compare-row > div{padding:18px 22px;font-size:15px;display:flex;align-items:flex-start;gap:10px;line-height:1.7}
.compare-row .dim{
  color:var(--brand);
  font-weight:600;
  background:#FAF9F5;
  align-items:center;
}
.compare-row .cell + .cell{border-left:1px solid var(--line)}
.cell::before{display:none}
.dot{width:8px;height:8px;border-radius:50%;flex:none;margin-top:8px}
.dot-green{background:var(--ok)}
.dot-orange{background:var(--accent)}

/* ---------- 要点清单 ---------- */
.check-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px 32px;
  margin-top:32px;
}
.check-list li{
  position:relative;
  padding-left:24px;
  font-size:15.5px;
  color:var(--muted);
  line-height:1.75;
}
.check-list li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:var(--brand-light);
}

/* ---------- FAQ ---------- */
.faq{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:#fff;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.faq details{border-top:1px solid var(--line)}
.faq details:first-child{border-top:0}
.faq summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  transition:background var(--ease),border-color var(--ease),padding var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:#FAF9F5}
.faq summary::after{
  content:"";
  width:10px;height:10px;flex:none;
  border-right:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(45deg);
  transition:transform 220ms cubic-bezier(.4,0,.2,1);
}
.faq details[open] summary{background:#FBFCFB;border-left:4px solid var(--brand);padding-left:20px}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq summary:focus-visible{outline:3px solid rgba(18,135,107,.42);outline-offset:-3px}
.faq-body{padding:0 24px 24px;color:var(--muted);font-size:15.5px;line-height:1.85}

/* ---------- 卡片 ---------- */
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  color:inherit;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand-light)}
.card:focus-visible{outline:3px solid rgba(18,135,107,.42);outline-offset:3px}
.card-media{aspect-ratio:8/5;overflow:hidden;background:var(--mint)}
.card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 260ms cubic-bezier(.4,0,.2,1);
}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19px;line-height:1.45;color:var(--ink)}
.card-body p{font-size:14.6px;color:var(--muted);line-height:1.8}
.card-link{
  margin-top:auto;
  padding-top:6px;
  color:var(--brand);
  font-weight:600;
  font-size:14.5px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap var(--ease);
}
.card:hover .card-link{gap:12px}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 84px}
.cta{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  padding:48px;
  color:#fff;
  background:linear-gradient(135deg,#0A2B24 0%,#0B5D4B 65%,#12876B 100%);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  box-shadow:var(--shadow-lg);
}
.cta::after{
  content:"";
  position:absolute;right:-70px;bottom:-70px;
  width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,131,58,.55),transparent 70%);
  pointer-events:none;
}
.cta h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:12px}
.cta p{color:#C6DCD4;font-size:15.5px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:auto;
  background:var(--ink);
  color:#C9DCD5;
  padding:64px 0 28px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-top .brand{margin-bottom:0}
.footer-desc{font-size:14px;color:#9FBDB3;line-height:1.85;margin-top:16px}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{color:#C9DCD5;font-size:14px;transition:color var(--ease)}
.footer-col ul a:hover{color:var(--accent);text-decoration:underline}
.footer-col ul a:focus-visible{outline:3px solid rgba(240,131,58,.6);outline-offset:3px;border-radius:4px}
.footer-col p{font-size:14px;line-height:1.9;color:#9FBDB3}
.footer-col p strong{color:#DCEBE6;font-weight:600}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  font-size:13px;
  color:#87A79C;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .site-side{
    position:sticky;
    top:0;left:auto;bottom:auto;
    width:auto;height:auto;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:12px 18px;
    gap:12px;
  }
  .site-main{margin-left:0}
  .side-foot{display:none}
  .nav-toggle{display:grid}
  .nav-list{
    position:fixed;
    top:0;right:0;
    width:290px;height:100vh;
    background:var(--ink);
    flex-direction:column;
    flex:0 0 auto;
    padding:84px 22px 28px;
    gap:6px;
    transform:translateX(102%);
    transition:transform 240ms cubic-bezier(.4,0,.2,1);
    z-index:56;
    overflow-y:auto;
    box-shadow:-12px 0 32px rgba(10,43,36,.3);
  }
  .nav-list.open{transform:translateX(0)}
  .nav-cta{display:inline-flex;margin-top:18px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .cta-wrap{padding-bottom:64px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .compare-head,
  .compare-row{grid-template-columns:150px 1fr 1fr}
}
@media (max-width:767px){
  .section{padding:54px 0}
  .container{padding:0 18px}
  .page-hero{padding:44px 0 42px}
  .hero-metrics{grid-template-columns:repeat(2,1fr)}
  .hero-metrics > div{border-right:0;border-bottom:1px solid rgba(255,255,255,.14)}
  .hero-metrics > div:nth-child(odd){border-right:1px solid rgba(255,255,255,.14)}
  .hero-metrics > div:nth-last-child(-n+2){border-bottom:0}
  .compare-bar{flex-direction:column}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr}
  .compare-row .dim{background:var(--mint);color:var(--brand);padding:12px 18px}
  .compare-row .cell{padding:14px 18px}
  .compare-row .cell + .cell{border-left:0;border-top:1px dashed var(--line)}
  .cell::before{
    content:attr(data-env);
    display:block;
    font-size:12px;
    color:var(--muted);
    letter-spacing:.06em;
    margin-bottom:4px;
  }
  .check-list{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .cta{flex-direction:column;align-items:flex-start;padding:34px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:30px}
}
@media (max-width:479px){
  body{font-size:15px}
  .page-hero h1{font-size:26px}
  .sec-head h2{font-size:22px}
  .btn{padding:11px 18px;font-size:14.5px}
  .hero-metrics strong{font-size:23px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --brand:#0B5D4B;
  --brand-light:#12876B;
  --accent:#F0833A;
  --accent-dark:#D96A22;
  --ink:#0A2B24;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#14201D;
  --muted:#55635E;
  --border:#E3E0D8;
  --mint:#E7F3EE;
  --peach:#FDEBDD;
  --ok:#2E9E6B;
  --warn:#E0A020;
  --err:#C4483C;
  --grad:linear-gradient(135deg,#0B5D4B 0%,#12876B 80%,#F0833A 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(10,43,36,.06);
  --sh-hover:0 16px 36px rgba(10,43,36,.12);
  --sp:8px;
  --sidebar:240px;
  --font:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(18,135,107,.38);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 布局骨架 ---------- */
.content{margin-left:var(--sidebar);min-width:0;overflow-x:hidden}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--white{background:#fff}
.section--ink{background:var(--ink);color:#fff}

/* ---------- 侧栏 / 顶部导航 ---------- */
.site-header{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar);
  background:#fff;border-right:1px solid var(--border);
  padding:26px 20px 22px;
  display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;z-index:80;
  transition:box-shadow .24s ease;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(11,93,75,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.4px}
.nav-wrap{display:flex;flex-direction:column;gap:18px;flex:1;min-height:0}
.nav-label{
  font-size:12px;color:var(--muted);letter-spacing:2px;
  padding-left:12px;margin-bottom:2px;display:block;
}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:block;
  padding:11px 14px 11px 16px;border-radius:10px;
  font-size:15px;color:var(--text);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-item::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%) scaleY(0);
  width:4px;height:20px;border-radius:999px;background:var(--brand);
  transition:transform .22s ease;
}
.nav-item:hover{background:var(--mint);color:var(--brand)}
.nav-item:hover::before{transform:translateY(-50%) scaleY(.6)}
.nav-item.active{background:var(--mint);color:var(--brand);font-weight:600}
.nav-item.active::before{transform:translateY(-50%) scaleY(1)}
.sidebar-cta{margin-top:auto}
.sidebar-note{font-size:12.5px;color:var(--muted);line-height:1.9}
.menu-toggle{
  display:none;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-sm);
  padding:8px 14px;font-size:14px;color:var(--ink);cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.menu-toggle:hover{border-color:var(--brand-light);background:var(--mint)}
.menu-toggle .bars{display:flex;flex-direction:column;gap:4px}
.menu-toggle .bars i{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px}
.scrim{
  position:fixed;inset:0;background:rgba(10,43,36,.55);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:70;
}
.scrim.open{opacity:1;visibility:visible}

/* ---------- 按钮 / 徽章 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(11,93,75,.24)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(11,93,75,.3)}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 8px 18px rgba(11,93,75,.24)}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(11,93,75,.28)}
.btn-ghost:hover{background:var(--mint);transform:translateY(-2px);border-color:var(--brand-light)}
.btn-ghost:active{transform:translateY(-1px)}
.btn-on-dark{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-on-dark:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-block{width:100%}
.btn[disabled],.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
  background:var(--mint);color:var(--brand);
}
.badge--orange{background:var(--peach);color:var(--accent-dark)}
.badge--line{background:transparent;border:1px solid rgba(255,255,255,.42);color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1.6px;color:var(--brand-light);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#0B5D4B 0%,#12876B 100%);
  padding:92px 0 74px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.32;mix-blend-mode:luminosity;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;
  background:radial-gradient(circle at center,rgba(240,131,58,.5),rgba(240,131,58,0) 66%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:20px}
.breadcrumb a{border-bottom:1px solid rgba(255,255,255,.28);padding-bottom:1px;transition:color .2s ease,border-color .2s ease}
.breadcrumb a:hover{color:#fff;border-color:var(--accent)}
.breadcrumb span.sep{opacity:.6}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.25;font-weight:800;letter-spacing:.4px;
  max-width:16em;margin-bottom:18px;
}
.hero-lead{font-size:17px;line-height:1.8;color:rgba(255,255,255,.9);max-width:44em;margin-bottom:14px}
.hero-sub{font-size:15px;line-height:1.85;color:rgba(255,255,255,.76);max-width:48em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:52px;border-radius:var(--r-md);
  background:rgba(10,43,36,.42);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(6px);overflow:hidden;
}
.metric{padding:22px 22px;border-right:1px solid rgba(255,255,255,.14)}
.metric:last-child{border-right:0}
.metric .val{
  display:flex;align-items:baseline;gap:4px;
  font-size:clamp(26px,3vw,38px);font-weight:800;letter-spacing:.5px;
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.metric .val .u{font-size:14px;font-weight:600;color:var(--accent);letter-spacing:0}
.metric .cap{margin-top:8px;font-size:13px;line-height:1.6;color:rgba(255,255,255,.76)}

/* ---------- 板块标题 ---------- */
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:800;color:var(--ink);
  margin:14px 0 14px;letter-spacing:.3px;
}
.section-head p{font-size:16px;line-height:1.85;color:var(--muted)}
.section--ink .section-head h2{color:#fff}
.section--ink .section-head p{color:rgba(255,255,255,.74)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease,color .2s ease}
.link-more:hover{gap:10px;color:var(--brand-light)}

/* ---------- 清单 + 图文 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.checklist{display:grid;gap:16px;margin-top:8px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.check-item:hover{border-color:var(--brand-light);transform:translateY(-4px);box-shadow:var(--sh-hover)}
.check-item .dot{
  flex:0 0 10px;width:10px;height:10px;border-radius:50%;margin-top:9px;
  background:var(--brand);box-shadow:0 0 0 4px var(--mint);
}
.check-item h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px;line-height:1.5}
.check-item p{font-size:14.5px;color:var(--muted);line-height:1.8}
.figure-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--sh);background:#fff;
}
.figure-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure-card figcaption{
  padding:14px 20px;font-size:13px;color:var(--muted);background:#fff;border-top:1px solid var(--border);
}
.figure-tag{
  position:absolute;left:16px;top:16px;
  background:rgba(10,43,36,.78);color:#fff;font-size:12.5px;font-weight:600;
  padding:6px 14px;border-radius:999px;backdrop-filter:blur(4px);
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(11,93,75,.12));
}
.tl-item{position:relative;display:flex;gap:26px;padding:0 0 34px 0}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  position:relative;z-index:2;flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:13.5px;font-weight:800;font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(11,93,75,.14);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.tl-item:hover .tl-node{background:var(--brand);color:#fff;transform:scale(1.06)}
.tl-body{
  flex:1;background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.tl-item:hover .tl-body{border-color:var(--brand-light);transform:translateY(-4px);box-shadow:var(--sh-hover)}
.tl-body h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:8px;line-height:1.5}
.tl-body p{font-size:15px;color:var(--muted);line-height:1.85}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tl-meta span{
  font-size:12.5px;color:var(--brand);
  background:var(--mint);border-radius:999px;padding:4px 12px;
}

/* ---------- 案例卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--brand-light)}
.case-card .media{position:relative;overflow:hidden}
.case-card .media img{width:100%;aspect-ratio:8/5;object-fit:cover;transition:transform .3s ease}
.case-card:hover .media img{transform:scale(1.04)}
.case-card .media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--brand)}
.case-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.case-body h3{font-size:19px;font-weight:700;color:var(--ink);line-height:1.5}
.case-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.case-list{display:grid;gap:8px;margin-top:2px}
.case-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text);line-height:1.8}
.case-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--accent);
}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:900px}
.faq details{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--sh);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq details[open]{border-color:var(--brand-light);box-shadow:var(--sh-hover);border-left:4px solid var(--brand)}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 24px;
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.6;
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .arrow{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--mint);color:var(--brand);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq details[open] .arrow{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq .answer{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- 表单 / CTA ---------- */
.cta-band{
  background:var(--grad);color:#fff;border-radius:var(--r-lg);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;box-shadow:0 18px 40px rgba(11,93,75,.2);
}
.cta-band h2{font-size:clamp(20px,2.2vw,27px);font-weight:800;line-height:1.4;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.8;max-width:52em}
.form-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start;margin-top:44px}
.form-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:34px 36px;box-shadow:var(--sh);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field label .req{color:var(--accent);margin-left:4px}
.field input,.field select,.field textarea{
  background:#FCFBF8;border:1px solid var(--border);border-radius:var(--r-sm);
  padding:12px 14px;font-size:15px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#CFCBC0}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-light);background:#fff;
  box-shadow:0 0 0 3px rgba(18,135,107,.18);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.75}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--err);background:#FDF6F5}
.field .tip{font-size:12.5px;color:var(--muted)}
.field .err{font-size:12.5px;color:var(--err);display:none}
.field.invalid .err{display:block}
.consent{grid-column:1/-1;display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.75}
.consent input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--brand)}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}
.alert{
  grid-column:1/-1;display:none;border-radius:var(--r-sm);
  padding:13px 16px;font-size:14px;line-height:1.7;
}
.alert.show{display:block}
.alert.ok{background:#E9F6EF;color:#1F6B49;border:1px solid rgba(46,158,107,.35)}
.alert.bad{background:#FDF1EF;color:#9B3227;border:1px solid rgba(196,72,60,.3)}
.trust-card{
  background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:32px 30px;box-shadow:var(--sh);
}
.trust-card h3{font-size:19px;font-weight:700;margin-bottom:14px}
.trust-card ul{display:grid;gap:14px}
.trust-card li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.86)}
.trust-card li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;margin-top:9px;
  background:var(--accent);
}
.trust-card .line{height:1px;background:rgba(255,255,255,.14);margin:22px 0}
.trust-card .contact{font-size:14px;line-height:2;color:rgba(255,255,255,.8)}
.trust-card .contact strong{color:#fff;font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);padding:72px 0 28px;margin-top:0}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.14);
}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:rgba(255,255,255,.6)}
.site-footer .brand-mark{box-shadow:none}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:34em}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.76);transition:color .2s ease,border-color .2s ease;border-bottom:1px solid transparent;padding-bottom:1px}
.footer-col a:hover{color:var(--accent);border-color:var(--accent)}
.footer-col p{font-size:14px;line-height:2;color:rgba(255,255,255,.76)}
.footer-col p strong{color:#fff;font-weight:600}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .site-header{
    position:sticky;top:0;bottom:auto;left:0;width:100%;height:auto;
    flex-direction:row;align-items:center;justify-content:space-between;
    padding:12px 20px;border-right:0;border-bottom:1px solid var(--border);
    overflow:visible;box-shadow:0 2px 12px rgba(10,43,36,.04);
  }
  .content{margin-left:0}
  .menu-toggle{display:inline-flex}
  .nav-wrap{
    position:fixed;top:64px;right:0;bottom:0;width:min(86vw,330px);
    background:#fff;border-left:1px solid var(--border);
    padding:24px 20px;gap:16px;
    transform:translateX(104%);transition:transform .24s cubic-bezier(.4,0,.2,1);
    overflow-y:auto;z-index:75;
  }
  .nav-wrap.open{transform:translateX(0)}
  .sidebar-cta{margin-top:0}
  .split{grid-template-columns:1fr;gap:36px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .form-layout{grid-template-columns:1fr}
  .hero{padding:72px 0 62px}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
}
@media (max-width:1023px){
  .hero-metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2n){border-right:0}
  .metric:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.14)}
  .cta-band{padding:32px 28px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .section-head{margin-bottom:34px}
  .card-grid{grid-template-columns:1fr}
  .form-card{padding:24px 20px}
  .form-grid{grid-template-columns:1fr;gap:16px}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:30px}
  .timeline::before{left:15px}
  .tl-node{flex:0 0 32px;width:32px;height:32px;font-size:12px}
  .tl-item{gap:16px;padding-bottom:26px}
  .tl-body{padding:18px 18px}
  .hero h1{margin-bottom:14px}
  .hero-actions .btn{width:100%}
  .figure-card img{aspect-ratio:16/11}
}
@media (max-width:520px){
  body{font-size:15px}
  .hero{padding:52px 0 48px}
  .hero-metrics{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.14);padding:18px 18px}
  .metric:last-child{border-bottom:0}
  .cta-band{padding:26px 20px}
  .trust-card{padding:26px 20px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}