/* roulang page: index */
:root{
  --orange:#FF6A2B;
  --orange-deep:#D9451A;
  --amber:#FFC53D;
  --ink:#0F2E28;
  --ink-2:#14403A;
  --teal:#1FB6A6;
  --lime:#D8F35B;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6E1D8;
  --text:#17211F;
  --muted:#5A6B67;
  --weak:#8B9A96;
  --danger:#D64545;
  --r-xs:12px;
  --r-sm:14px;
  --r-md:20px;
  --r-lg:28px;
  --r-xl:32px;
  --sh-sm:0 1px 2px rgba(15,46,40,.06);
  --sh-md:0 8px 24px rgba(15,46,40,.08);
  --sh-lg:0 20px 48px rgba(15,46,40,.12);
  --grad:linear-gradient(120deg,#FF6A2B 0%,#FF9A3D 52%,#FFC53D 100%);
  --grad-ink:linear-gradient(120deg,#0F2E28 0%,#14403A 100%);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:inherit;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;}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:#CFE3DE;font-size:13px;height:40px;display:flex;align-items:center;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0;}
.topbar-domain{font-family:Inter,ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.4px;color:#9FC4BC;font-size:12.5px;}
.topbar-tip{position:relative;padding-left:14px;color:#CFE3DE;}
.topbar-tip::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--lime);}
.topbar-right{display:flex;align-items:center;gap:12px;}
.topbar-link{color:#CFE3DE;border-bottom:1px solid rgba(207,227,222,.35);padding-bottom:1px;transition:color .2s,border-color .2s;}
.topbar-link:hover{color:var(--lime);border-color:var(--lime);}

/* ---------- 主导航 ---------- */
.navbar{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.navbar.is-scrolled{box-shadow:var(--sh-md);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;
  box-shadow:0 6px 16px rgba(255,106,43,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.2px;}
.brand-text small{font-size:12px;color:var(--weak);letter-spacing:.6px;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:inline-block;padding:10px 14px;border-radius:var(--r-xs);font-size:15px;color:var(--muted);
  font-weight:600;position:relative;transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--ink);background:#FBF7F0;}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--orange);
}
.nav-actions{display:flex;align-items:center;gap:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:999px;cursor:pointer;
  font-size:15px;font-weight:700;padding:12px 26px;line-height:1.3;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s,filter .2s;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(120deg,#D9451A,#FF6A2B);color:#fff;box-shadow:var(--sh-md);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-lg);}
.btn-primary:active{transform:none;box-shadow:var(--sh-sm);}
.btn-ghost{background:#fff;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-ghost:active{transform:none;}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px);box-shadow:var(--sh-lg);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{filter:brightness(1.05);transform:translateY(-1px);}
.btn-xs{font-size:13px;padding:6px 14px;}
.btn-lg{font-size:16px;padding:15px 32px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.6;pointer-events:none;}
.link-cta{
  display:inline-flex;align-items:center;gap:8px;color:var(--orange-deep);font-weight:700;font-size:15px;
  border-bottom:1px solid transparent;transition:color .2s,border-color .2s;
}
.link-cta svg{transition:transform .25s;}
.link-cta:hover{border-color:currentColor;}
.link-cta:hover svg{transform:translateX(4px);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,46,40,.45);opacity:0;visibility:hidden;
  transition:opacity .25s,visibility .25s;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:88%;max-width:360px;background:#fff;z-index:100;
  transform:translateX(101%);transition:transform .3s ease;display:flex;flex-direction:column;
  box-shadow:-18px 0 48px rgba(15,46,40,.18);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line);}
.drawer-head strong{font-size:16px;font-weight:800;}
.drawer-close{width:38px;height:38px;border-radius:var(--r-xs);border:1px solid var(--line);background:#fff;cursor:pointer;font-size:18px;color:var(--muted);}
.drawer-body{padding:14px 18px;overflow-y:auto;flex:1;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;padding:16px 14px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;color:var(--muted);border-bottom:1px solid #F1EDE5;
}
.drawer-link:hover,.drawer-link.active{background:#FBF7F0;color:var(--ink);}
.drawer-foot{padding:18px 22px 26px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px;}
.drawer-foot small{font-size:12px;color:var(--weak);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:84px 0 96px;
  background:
    radial-gradient(620px 420px at 90% 4%, rgba(255,106,43,.14), transparent 70%),
    radial-gradient(520px 380px at 4% 96%, rgba(216,243,91,.16), transparent 72%),
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700;color:var(--muted);
  box-shadow:var(--sh-sm);
}
.chip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);}
h1{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.22;margin:22px 0 18px;letter-spacing:0;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.stat-row{display:flex;flex-wrap:wrap;gap:36px;}
.stat{min-width:96px;}
.stat b{display:block;font-size:34px;font-weight:800;line-height:1.15;color:var(--orange-deep);font-family:Inter,-apple-system,sans-serif;}
.stat span{font-size:13px;color:var(--weak);display:block;margin-top:2px;}
.hero-media{position:relative;}
.hero-media > img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-lg);
}
.hero-float{
  position:absolute;right:22px;bottom:-24px;background:#fff;border-radius:var(--r-md);
  padding:14px;display:flex;align-items:center;gap:12px;box-shadow:var(--sh-lg);border:1px solid var(--line);
  max-width:290px;
}
.hero-float img{width:54px;height:54px;border-radius:var(--r-xs);object-fit:cover;}
.hero-float strong{display:block;font-size:14px;font-weight:700;line-height:1.4;}
.hero-float em{font-style:normal;font-size:12px;color:var(--weak);}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:720px;margin-bottom:48px;}
.sec-label{
  display:inline-block;font-size:13px;font-weight:700;color:var(--orange-deep);
  letter-spacing:1px;margin-bottom:12px;
}
h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.3;letter-spacing:0;}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;}
h3{font-size:21px;font-weight:700;line-height:1.4;}
h4{font-size:18px;font-weight:600;}

/* ---------- 服务区 ---------- */
.svc-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch;}
.svc-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:0;overflow:hidden;
  box-shadow:var(--sh-sm);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;
}
.svc-main:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.svc-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.svc-main-body{padding:28px 30px 32px;}
.svc-main-body p{color:var(--muted);margin:12px 0 20px;}
.svc-list{display:flex;flex-direction:column;gap:16px;}
.svc-item{
  display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px 22px;transition:background .25s,transform .25s,box-shadow .25s;
  flex:1;
}
.svc-item:hover{background:#FBF7F0;transform:translateY(-3px);box-shadow:var(--sh-md);}
.svc-icon{
  width:48px;height:48px;border-radius:var(--r-sm);background:rgba(31,182,166,.12);color:var(--teal);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .25s;
}
.svc-item:hover .svc-icon{transform:translateX(-4px);}
.svc-icon svg{width:24px;height:24px;}
.svc-item div{min-width:0;flex:1;}
.svc-item h3{font-size:17px;margin-bottom:4px;}
.svc-item p{font-size:14px;color:var(--muted);line-height:1.6;}
.svc-arrow{color:var(--weak);flex-shrink:0;transition:transform .25s,color .25s;}
.svc-item:hover .svc-arrow{transform:translateX(4px);color:var(--orange-deep);}

/* ---------- 数据区 ---------- */
.data-band{background:var(--grad-ink);color:#fff;border-radius:var(--r-xl);padding:64px 56px;}
.data-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center;}
.data-band h2{color:#fff;}
.data-band .sec-label{color:var(--lime);}
.data-band p{color:#B9D2CC;margin-top:14px;max-width:420px;}
.badges{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.badge-box{
  border-radius:20px;padding:24px;background:rgba(255,255,255,.04);
  border:1px solid rgba(216,243,91,.25);transition:background .25s,transform .25s;
}
.badge-box:hover{background:rgba(216,243,91,.1);transform:translateY(-3px);}
.badge-box b{display:block;font-size:36px;font-weight:800;color:var(--lime);line-height:1.1;font-family:Inter,-apple-system,sans-serif;}
.badge-box span{display:block;margin-top:6px;font-size:14px;color:#CFE3DE;}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-sm);transition:transform .28s,box-shadow .28s;display:block;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.case-media{position:relative;overflow:hidden;}
.case-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .4s;}
.case-card:hover .case-media img{transform:scale(1.03);}
.tag{
  position:absolute;top:14px;left:14px;background:rgba(15,46,40,.85);color:var(--lime);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;backdrop-filter:blur(2px);
}
.case-body{padding:24px 26px 28px;}
.case-body p{color:var(--muted);font-size:15px;margin:10px 0 16px;}

/* ---------- 方案区 ---------- */
.plan-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:44px 0;}
.plan-row + .plan-row{border-top:1px dashed var(--line);}
.plan-row.reverse .plan-media{order:2;}
.plan-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-md);}
.plan-num{
  font-size:32px;font-weight:800;color:var(--orange);line-height:1;font-family:Inter,-apple-system,sans-serif;
  border:2px solid var(--orange);border-radius:var(--r-sm);width:58px;height:58px;
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.plan-row p{color:var(--muted);margin:12px 0 18px;}
.check-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted);}
.check-list li::before{
  content:"";flex-shrink:0;width:8px;height:8px;border-radius:2px;background:var(--orange);margin-top:9px;
}

/* ---------- 资讯（CMS 区） ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-sm);transition:transform .28s,box-shadow .28s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.news-cover{position:relative;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.news-cat{
  position:absolute;top:12px;left:12px;background:rgba(31,182,166,.92);color:#fff;font-size:12px;
  font-weight:700;padding:4px 12px;border-radius:999px;
}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--muted);margin:10px 0 16px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--weak);}
.news-meta time{display:inline-flex;align-items:center;gap:6px;}
.news-arrow{color:var(--weak);transition:transform .25s,color .25s;}
.news-card:hover .news-arrow{transform:translateX(4px);color:var(--orange-deep);}
.news-empty{
  border:2px dashed var(--line);border-radius:var(--r-lg);padding:64px 24px;text-align:center;background:#FFFDFA;
}
.news-empty svg{width:44px;height:44px;color:var(--weak);margin:0 auto 16px;}
.news-empty p{color:var(--muted);margin-bottom:20px;}
.skeleton{background:#F2EDE4;border-radius:var(--r-md);animation:pulse 1.6s infinite ease-in-out;}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:320px 1fr;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:16px;overflow:hidden;transition:border-color .25s,background .25s;
}
.faq-item.open{border-color:var(--orange);background:#FFF9F5;}
.faq-q{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;padding:20px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:16px;font-weight:700;
}
.faq-q:hover{color:var(--orange-deep);}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;background:#F3EFE8;color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:16px;transition:transform .3s,background .3s,color .3s;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--orange);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-item.open .faq-a{max-height:360px;}
.faq-a p{padding:0 22px 22px;color:var(--muted);font-size:15px;}

/* ---------- CTA ---------- */
.cta-card{
  background:var(--grad);border-radius:var(--r-xl);padding:60px 56px;color:#fff;
  display:grid;grid-template-columns:1.4fr .8fr;gap:40px;align-items:center;box-shadow:var(--sh-lg);
}
.cta-card h2{color:#fff;}
.cta-card p{color:rgba(255,255,255,.92);margin:14px 0 28px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-card .btn-ghost{border-color:#fff;background:transparent;color:#fff;}
.cta-card .btn-ghost:hover{background:#fff;color:var(--orange-deep);}
.cta-side{background:rgba(15,46,40,.18);border:1px solid rgba(255,255,255,.35);border-radius:var(--r-lg);padding:26px;}
.cta-side strong{display:block;font-size:15px;margin-bottom:6px;}
.cta-side b{display:block;font-size:26px;font-weight:800;margin-bottom:14px;letter-spacing:.5px;}
.cta-side small{font-size:13px;color:rgba(255,255,255,.85);}

/* ---------- 表单 ---------- */
.form-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:44px;box-shadow:var(--sh-sm);
  display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;
}
.form-side p{color:var(--muted);margin-top:14px;}
.form-side ul{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.form-side li{display:flex;gap:10px;font-size:15px;color:var(--muted);}
.form-side li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--teal);margin-top:9px;flex-shrink:0;}
.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(--muted);}
.req{color:var(--orange);margin-left:4px;}
.field input,.field select,.field textarea{
  height:48px;border:1px solid var(--line);border-radius:var(--r-sm);background:#FCFAF7;
  padding:0 16px;font-size:15px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{height:120px;padding:14px 16px;resize:vertical;line-height:1.7;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);background:#fff;box-shadow:0 0 0 3px rgba(255,106,43,.16);
}
.field input.err,.field textarea.err{border-color:var(--danger);}
.err-msg{font-size:13px;color:var(--danger);display:none;}
.err-msg.show{display:block;}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);}
.agree input{width:18px;height:18px;margin-top:5px;accent-color:var(--orange);}
.form-note{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.form-ok{
  display:none;background:#EFFAF6;border:1px solid #BFE7DE;color:#0F6B5F;border-radius:var(--r-sm);
  padding:14px 18px;font-size:14px;margin-top:6px;
}
.form-ok.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C6DAD5;padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;padding-bottom:52px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.site-footer p{font-size:14px;color:#9DBAB4;line-height:1.9;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:#C6DAD5;transition:color .2s,transform .2s;}
.footer-links a:hover{color:var(--lime);transform:translateX(3px);}
.footer-contact{font-size:14px;color:#C6DAD5;display:flex;flex-direction:column;gap:10px;}
.footer-contact b{color:#fff;font-size:20px;font-weight:800;letter-spacing:.5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FAEA8;
}
.footer-bottom a{color:#8FAEA8;}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .svc-grid{grid-template-columns:1.2fr 1fr;}
  .data-band{padding:52px 40px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .nav-menu{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:64px 0 80px;}
  .hero-grid{grid-template-columns:1fr;gap:56px;}
  .svc-grid{grid-template-columns:1fr;}
  .data-grid{grid-template-columns:1fr;gap:36px;}
  .case-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-card{grid-template-columns:1fr;padding:44px 36px;}
  .form-wrap{grid-template-columns:1fr;padding:36px 32px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .plan-row{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .plan-row.reverse .plan-media{order:0;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  h1{font-size:30px;}
  .topbar-tip,.topbar-link{display:none;}
  .brand-text small{display:none;}
  .hero-actions .btn{flex:1 1 100%;}
  .stat-row{gap:20px 28px;}
  .stat b{font-size:28px;}
  .case-grid,.news-grid{grid-template-columns:1fr;}
  .badges{grid-template-columns:repeat(2,1fr);}
  .hero-float{position:static;margin-top:16px;max-width:none;}
  .form-grid{grid-template-columns:1fr;}
  .data-band{padding:40px 24px;border-radius:var(--r-lg);}
  .cta-card{padding:36px 24px;border-radius:var(--r-lg);}
  .form-wrap{padding:26px 20px;border-radius:var(--r-lg);}
  .footer-grid{grid-template-columns:1fr;}
  .card-pad{padding:20px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero{padding:48px 0 64px;}
  .badge-box b{font-size:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --orange:#FF6A2B;
  --orange-deep:#D9451A;
  --orange-dark:#B8370F;
  --amber:#FFC53D;
  --green:#0F2E28;
  --green-2:#14403A;
  --celadon:#1FB6A6;
  --lime:#D8F35B;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6E1D8;
  --text:#17211F;
  --text-2:#5A6B67;
  --text-3:#8B9A96;
  --danger:#D64545;
  --grad:linear-gradient(120deg,#FF6A2B 0%,#FF9A3D 52%,#FFC53D 100%);
  --grad-dark:linear-gradient(120deg,#0F2E28 0%,#14403A 100%);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-sm:0 1px 2px rgba(15,46,40,.06);
  --sh-md:0 8px 24px rgba(15,46,40,.08);
  --sh-lg:0 20px 48px rgba(15,46,40,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:0;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(255,106,43,.85);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--green);color:#D7E3DF;font-size:13px;}
.topbar-inner{min-height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0;}
.topbar-domain{font-weight:700;color:#FFFFFF;letter-spacing:.3px;}
.topbar-tip{color:#A9BDB7;position:relative;padding-left:14px;}
.topbar-tip::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:rgba(255,255,255,.22);}
.topbar-right{display:flex;align-items:center;gap:12px;}
.topbar-link{color:#D7E3DF;transition:color .2s ease;}
.topbar-link:hover{color:var(--lime);}

/* ============ 主导航 ============ */
.site-header{position:relative;z-index:60;}
.navbar{
  position:sticky;top:0;z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.navbar.is-scrolled{box-shadow:var(--sh-md);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  background:var(--grad);
  color:#fff;font-weight:800;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,106,43,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:800;}
.brand-text small{font-size:12px;color:var(--text-3);letter-spacing:.4px;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--green);background:#F4F1EA;}
.nav-link.active{color:var(--green);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--orange);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--green);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--green);transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;
  padding:12px 24px;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-xs{padding:6px 14px;font-size:13px;font-weight:600;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-md);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-lg);}
.btn-primary:active{transform:none;box-shadow:var(--sh-sm);}
.btn-outline{background:#fff;color:var(--green);border-color:var(--green);}
.btn-outline:hover{background:var(--green);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-outline:active{transform:none;}
.btn-lime{background:var(--lime);color:#17331B;}
.btn-lime:hover{filter:brightness(1.05);transform:translateY(-1px);}
.btn-ghost{background:#F2EEE6;color:var(--green);}
.btn-ghost:hover{background:#E9E3D8;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.6;pointer-events:none;box-shadow:none;}
.text-cta{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--orange-deep);font-size:15px;}
.text-cta i{transition:transform .2s ease;}
.text-cta:hover i{transform:translateX(4px);}
.text-cta:hover{color:var(--orange-dark);}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);}
.crumb a{color:var(--text-2);transition:color .2s ease;}
.crumb a:hover{color:var(--orange-deep);}
.crumb i{font-size:10px;color:#C4BDB1;}
.crumb .crumb-current{color:var(--green);font-weight:600;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头部卡 ============ */
.article-head{padding:26px 0 0;}
.head-card{
  position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:36px 40px;box-shadow:var(--sh-sm);
}
.head-card::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(255,106,43,.18),rgba(255,197,61,.10) 55%,transparent 72%);
  pointer-events:none;
}
.head-card .pill{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(31,182,166,.12);color:#127A6E;
  border:1px solid rgba(31,182,166,.28);
  font-size:13px;font-weight:700;padding:5px 14px;border-radius:999px;
}
.head-card h1{
  margin:18px 0 0;font-size:clamp(26px,3.2vw,40px);font-weight:800;line-height:1.34;
  max-width:900px;
}
.head-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:22px;padding-top:20px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-3);
}
.head-meta span{display:inline-flex;align-items:center;gap:7px;}
.head-meta i{color:var(--orange);}
.head-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC8BB;}

/* ============ 正文布局 ============ */
.article-wrap{padding:34px 0 0;}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:32px;
  align-items:start;
}
.reader{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:40px;box-shadow:var(--sh-sm);
}
.article-body{
  max-width:800px;font-size:17px;line-height:1.9;color:var(--text);
}
.article-body>*:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:clamp(21px,2.2vw,27px);font-weight:700;
  margin:40px 0 16px;padding-left:16px;line-height:1.45;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{
  font-size:20px;font-weight:700;margin:32px 0 12px;color:var(--green);scroll-margin-top:96px;
}
.article-body h4{font-size:18px;font-weight:600;margin:26px 0 10px;}
.article-body p{margin:0 0 1.4em;}
.article-body a{color:var(--orange-deep);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--orange-dark);}
.article-body ul{margin:0 0 1.4em;}
.article-body ul li{position:relative;padding-left:24px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:3px;top:.75em;width:8px;height:8px;border-radius:2px;background:var(--orange);
}
.article-body ol{margin:0 0 1.4em;counter-reset:olnum;}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:10px;counter-increment:olnum;}
.article-body ol li::before{
  content:counter(olnum);position:absolute;left:0;top:.35em;
  width:22px;height:22px;border-radius:8px;background:rgba(255,106,43,.12);
  color:var(--orange-deep);font-size:13px;font-weight:700;line-height:22px;text-align:center;
}
.article-body blockquote{
  margin:24px 0;padding:24px 26px;background:#FDF6EF;
  border-left:4px solid var(--orange);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:24px auto;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px;}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:24px 0;font-size:15px;border-radius:var(--r-sm);
}
.article-body table th{background:#F2EEE6;font-weight:700;text-align:left;}
.article-body table th,.article-body table td{padding:12px 14px;border:1px solid var(--line);min-width:120px;}
.article-body table tbody tr:nth-child(even) td{background:#FAF8F4;}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:36px 0;}

.empty-state{
  border:1.5px dashed #D8D1C4;border-radius:var(--r-lg);
  padding:56px 28px;text-align:center;background:#FCFAF6;
}
.empty-state i{font-size:34px;color:var(--amber);}
.empty-state h2{margin:16px 0 8px;font-size:22px;font-weight:700;}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* ============ 侧栏 ============ */
.sidebar{position:sticky;top:98px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 22px 20px;box-shadow:var(--sh-sm);
}
.side-title{
  display:flex;align-items:center;gap:9px;font-size:15px;font-weight:800;color:var(--green);
  margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-title i{color:var(--orange);}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow-y:auto;}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--text-2);
  padding:7px 10px;border-radius:10px;border-left:2px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.toc-list a:hover{background:#F7F4EF;color:var(--green);}
.toc-list a.is-current{background:#FDF1E9;color:var(--orange-deep);border-left-color:var(--orange);font-weight:700;}
.toc-list a.toc-h3{padding-left:22px;font-size:13px;color:var(--text-3);}
.toc-empty{font-size:13px;color:var(--text-3);padding:6px 0;}
.mini-list{display:flex;flex-direction:column;gap:4px;}
.mini-list a{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px;border-radius:12px;transition:background .18s ease,transform .18s ease;
}
.mini-list a:hover{background:#F7F4EF;transform:translateX(3px);}
.mini-list .mini-idx{
  flex:0 0 22px;height:22px;border-radius:7px;background:rgba(31,182,166,.14);color:#127A6E;
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.mini-list .mini-body{min-width:0;}
.mini-list .mini-t{font-size:14px;font-weight:600;color:var(--text);line-height:1.55;}
.mini-list .mini-d{font-size:12px;color:var(--text-3);margin-top:2px;}
.side-cta{
  background:linear-gradient(160deg,#FFF6EC 0%,#FDF1E4 100%);
  border:1px solid #F2DFCB;border-radius:var(--r-lg);padding:22px;
}
.side-cta h3{font-size:17px;font-weight:800;color:var(--green);}
.side-cta p{font-size:13.5px;color:var(--text-2);margin:8px 0 16px;line-height:1.7;}
.side-cta .btn{width:100%;}

/* ============ 上下篇 / 继续浏览 ============ */
.post-nav{margin-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.post-nav a{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-nav a:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#F0D6C2;}
.post-nav .pn-label{font-size:12px;color:var(--text-3);letter-spacing:.5px;display:flex;align-items:center;gap:6px;}
.post-nav .pn-label i{color:var(--orange);}
.post-nav .pn-title{font-size:16px;font-weight:700;color:var(--green);margin-top:8px;line-height:1.5;}
.post-nav .pn-desc{font-size:13px;color:var(--text-3);margin-top:6px;}
.post-nav .pn-next{text-align:right;}
.post-nav .pn-next .pn-label{justify-content:flex-end;}

/* ============ 相关推荐 ============ */
.related{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#F0D6C2;}
.rec-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EFEAE1;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-thumb .tag{
  position:absolute;left:14px;top:14px;background:rgba(15,46,40,.86);color:#fff;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;backdrop-filter:blur(2px);
}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-body p{font-size:13.5px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.rec-foot i{color:var(--orange);transition:transform .2s ease;}
.rec-card:hover .rec-foot i{transform:translateX(4px);}

/* ============ 返回入口 ============ */
.back-bar{padding:44px 0 0;}
.back-card{
  background:var(--grad-dark);border-radius:var(--r-xl);padding:34px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  color:#fff;
}
.back-card h2{font-size:clamp(19px,2vw,24px);font-weight:800;}
.back-card p{color:#B9CCC6;font-size:14px;margin-top:8px;max-width:620px;}
.back-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{margin-top:88px;background:var(--green);color:#C7D6D1;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:12px;font-size:18px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.site-footer p{font-size:14px;line-height:1.85;color:#A9BDB7;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#C7D6D1;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:var(--lime);transform:translateX(3px);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#A9BDB7;}
.footer-contact b{color:var(--lime);font-size:16px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8DA5A0;
}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,46,40,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:88%;max-width:360px;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;
  padding:24px 22px;box-shadow:var(--sh-lg);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);font-size:16px;color:var(--green);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:14px 14px;border-radius:14px;font-size:15.5px;font-weight:600;color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.active{background:#F7F4EF;color:var(--green);}
.drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:10px;}
.drawer-foot .btn{width:100%;min-height:48px;}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .article-grid{grid-template-columns:minmax(0,1fr) 320px;gap:24px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .article-grid{grid-template-columns:minmax(0,1fr);}
  .sidebar{position:static;}
  .reader{padding:32px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .back-card{padding:30px 28px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .topbar-tip{display:none;}
  .head-card{padding:26px 22px;border-radius:var(--r-lg);}
  .nav-inner{min-height:66px;}
  .brand-text small{display:none;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .post-nav{grid-template-columns:minmax(0,1fr);}
  .post-nav .pn-next{text-align:left;}
  .post-nav .pn-next .pn-label{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .related{padding-top:52px;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:560px){
  .reader{padding:24px 20px;border-radius:var(--r-lg);}
  .article-body{font-size:16.5px;}
  .head-card h1{font-size:26px;}
  .back-card{padding:26px 20px;border-radius:var(--r-lg);}
  .back-actions{width:100%;}
  .back-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand-orange:#FF6A2B;
  --brand-orange-deep:#D9451A;
  --brand-amber:#FFC53D;
  --ink:#0F2E28;
  --ink-2:#14403A;
  --teal:#1FB6A6;
  --lime:#D8F35B;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6E1D8;
  --text:#17211F;
  --muted:#5A6B67;
  --weak:#8B9A96;
  --danger:#D64545;
  --grad-brand:linear-gradient(120deg,#FF6A2B 0%,#FF9A3D 50%,#FFC53D 100%);
  --grad-dark:linear-gradient(120deg,#0F2E28 0%,#14403A 100%);
  --r-xs:12px;
  --r-sm:14px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(15,46,40,.06);
  --sh-md:0 8px 24px rgba(15,46,40,.08);
  --sh-lg:0 20px 48px rgba(15,46,40,.12);
  --sec-space:104px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Inter","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-lg);}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
p{margin:0 0 1.4em;}
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;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:0;}
:focus-visible{outline:3px solid var(--brand-orange);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(255,106,43,.22);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec-space) 0;}
.section-sm{padding:72px 0;}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--ink);
  color:#DCE7E3;
  font-size:13px;
  min-height:40px;
  display:flex;
  align-items:center;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:40px;
}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0;}
.topbar-domain{
  color:var(--lime);
  font-weight:600;
  letter-spacing:.3px;
  white-space:nowrap;
}
.topbar-tip{
  color:rgba(220,231,227,.78);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar-right{display:flex;align-items:center;gap:16px;}
.topbar-link{color:#DCE7E3;border-bottom:1px dashed rgba(216,243,91,.5);}
.topbar-link:hover{color:var(--lime);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-weight:600;
  font-size:15px;
  line-height:1;
  padding:14px 26px;
  min-height:48px;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{
  background:linear-gradient(120deg,#FF6A2B 0%,#D9451A 100%);
  color:#fff;
  box-shadow:var(--sh-md);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-lg);}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);}
.btn-ghost{
  background:#fff;
  color:var(--ink);
  border-color:var(--ink);
  box-shadow:var(--sh-sm);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-ghost:active{transform:translateY(0);}
.btn-lime{
  background:var(--lime);
  color:var(--ink);
  font-weight:700;
}
.btn-lime:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 10px 22px rgba(216,243,91,.28);}
.btn-lime:active{transform:translateY(0);}
.btn-xs{font-size:12.5px;padding:8px 16px;min-height:30px;}
.btn-lg{font-size:16px;padding:16px 32px;min-height:54px;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--brand-orange-deep);
  font-weight:600;
  font-size:15px;
  padding:6px 0;
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover{color:var(--brand-orange);}
.btn-text:hover i{transform:translateX(4px);}
.btn[disabled]{opacity:.6;pointer-events:none;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;}
.navbar{
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.navbar.is-scrolled{box-shadow:var(--sh-md);}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;
  border-radius:14px;
  background:var(--grad-brand);
  color:#fff;
  font-weight:800;
  font-size:20px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(255,106,43,.28);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--ink);}
.brand-text small{font-size:12px;color:var(--weak);letter-spacing:.4px;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:inline-block;
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  border-radius:var(--r-xs);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand-orange);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(247,244,239,.9);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:46px;height:46px;
  border:1px solid var(--line);
  border-radius:var(--r-xs);
  background:#fff;
  position:relative;
  padding:0;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:13px;
  width:20px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span{top:22px;}
.nav-toggle span::before{content:"";top:-6px;left:0;}
.nav-toggle span::after{content:"";top:6px;left:0;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

.drawer{
  position:fixed;
  top:0;right:0;
  width:88%;
  max-width:360px;
  height:100%;
  background:#fff;
  box-shadow:-16px 0 48px rgba(15,46,40,.18);
  transform:translateX(105%);
  transition:transform .3s ease;
  z-index:80;
  padding:24px 22px 32px;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink);}
.drawer-close{
  width:40px;height:40px;
  border-radius:var(--r-xs);
  border:1px solid var(--line);
  background:#fff;
  font-size:16px;
  color:var(--muted);
}
.drawer-link{
  display:block;
  padding:15px 16px;
  border-radius:var(--r-sm);
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  background:rgba(247,244,239,.7);
}
.drawer-link.active{background:rgba(255,106,43,.12);color:var(--brand-orange-deep);}
.drawer-link:hover{background:rgba(31,182,166,.14);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.mask{
  position:fixed;inset:0;
  background:rgba(15,46,40,.42);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:70;
}
.mask.is-open{opacity:1;visibility:visible;}

/* ============ 面包屑 ============ */
.breadcrumb{padding:22px 0 0;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--weak);}
.crumb-list a{color:var(--muted);}
.crumb-list a:hover{color:var(--brand-orange-deep);}
.crumb-sep{color:#C8C2B6;}

/* ============ 分类 Hero ============ */
.cat-hero{padding:28px 0 0;}
.cat-hero-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad-dark);
  color:#fff;
  padding:56px 52px;
  box-shadow:var(--sh-lg);
}
.cat-hero-card::before{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-160px;top:-220px;
  background:radial-gradient(circle,rgba(255,106,43,.42) 0%,rgba(255,106,43,0) 68%);
  pointer-events:none;
}
.cat-hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
}
.cat-hero-text .pill-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  background:rgba(216,243,91,.16);
  border:1px solid rgba(216,243,91,.4);
  color:var(--lime);
  font-size:13px;
  font-weight:600;
  margin-bottom:20px;
}
.cat-hero-text h1{
  font-size:clamp(30px,4vw,48px);
  font-weight:800;
  margin-bottom:16px;
}
.cat-hero-text h1 em{
  font-style:normal;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.cat-hero-desc{
  font-size:17px;
  color:rgba(255,255,255,.84);
  max-width:520px;
  margin-bottom:26px;
}
.cat-hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  font-size:13.5px;
  color:#EAF3F0;
}
.hero-badge i{color:var(--brand-amber);}
.cat-hero-media{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.32);
}
.cat-hero-media img{width:100%;height:320px;object-fit:cover;border-radius:var(--r-xl);}
.float-card{
  position:absolute;
  left:18px;bottom:18px;
  right:18px;
  background:rgba(255,255,255,.96);
  border-radius:var(--r-md);
  padding:14px 16px;
  display:flex;
  align-items:center;
  gap:12px;
  box-shadow:var(--sh-md);
}
.float-card img{width:48px;height:48px;object-fit:cover;border-radius:12px;}
.float-card .fc-title{font-size:14px;font-weight:700;color:var(--ink);line-height:1.4;}
.float-card .fc-sub{font-size:12px;color:var(--weak);}
.fc-flag{
  margin-left:auto;
  background:var(--lime);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
  padding:5px 12px;
  border-radius:var(--r-pill);
  white-space:nowrap;
}

/* ============ 分类切换胶囊 ============ */
.cat-switch{padding:26px 0 0;}
.switch-bar{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:10px;
  box-shadow:var(--sh-sm);
}
.switch-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--muted);
  border:1px solid transparent;
}
.switch-item:hover{background:rgba(31,182,166,.1);color:var(--ink);}
.switch-item.is-current{
  background:linear-gradient(120deg,#FF6A2B 0%,#D9451A 100%);
  color:#fff;
  box-shadow:0 8px 18px rgba(217,69,26,.24);
}
.switch-item.is-current:hover{color:#fff;}

/* ============ 通用板块标题 ============ */
.sec-head{max-width:720px;margin-bottom:48px;}
.sec-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--brand-orange-deep);
  letter-spacing:.6px;
  text-transform:uppercase;
  margin-bottom:14px;
}
.sec-eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--brand-orange);
  border-radius:2px;
}
h2.sec-title{font-size:clamp(24px,3vw,36px);font-weight:700;color:var(--ink);margin-bottom:16px;}
.sec-desc{font-size:16px;color:var(--muted);}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head.center .sec-eyebrow{justify-content:center;}

/* ============ 左文右图 ============ */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.split-text h3{
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:16px;
}
.split-text p{color:var(--muted);font-size:16px;}

.step-list{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.step-item{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:18px 20px;
  box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
}
.step-item:hover{
  transform:translateX(6px);
  box-shadow:var(--sh-md);
  border-color:rgba(255,106,43,.45);
  background:#FFFCF7;
}
.step-num{
  flex-shrink:0;
  width:38px;height:38px;
  border-radius:12px;
  border:2px solid var(--brand-orange);
  color:var(--brand-orange-deep);
  font-size:15px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.step-body h4{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.step-body p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.7;}

.split-media{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh-lg);
}
.split-media img{width:100%;height:460px;object-fit:cover;border-radius:var(--r-xl);}
.media-tag{
  position:absolute;
  left:20px;top:20px;
  background:rgba(15,46,40,.88);
  color:var(--lime);
  font-size:13px;
  font-weight:700;
  padding:8px 16px;
  border-radius:var(--r-pill);
}
.media-note{
  position:absolute;
  right:20px;bottom:20px;
  left:20px;
  background:rgba(255,255,255,.95);
  border-radius:var(--r-md);
  padding:16px 18px;
  box-shadow:var(--sh-md);
}
.media-note strong{display:block;font-size:15px;color:var(--ink);margin-bottom:4px;}
.media-note span{font-size:13.5px;color:var(--muted);}

/* ============ 深色问题处理区 ============ */
.dark-panel{
  background:var(--grad-dark);
  border-radius:var(--r-xl);
  padding:64px 52px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.dark-panel::after{
  content:"";
  position:absolute;
  width:460px;height:460px;
  left:-180px;bottom:-240px;
  background:radial-gradient(circle,rgba(31,182,166,.35) 0%,rgba(31,182,166,0) 70%);
  pointer-events:none;
}
.dark-head{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  align-items:flex-end;
  justify-content:space-between;
  margin-bottom:40px;
}
.dark-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;color:#fff;margin-bottom:12px;}
.dark-head p{color:rgba(255,255,255,.76);max-width:640px;margin:0;font-size:16px;}
.dark-head .sec-eyebrow{color:var(--brand-amber);}
.dark-head .sec-eyebrow::before{background:var(--brand-amber);}

.issue-grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.issue-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(216,243,91,.22);
  border-radius:var(--r-lg);
  padding:26px 24px;
  transition:transform .22s ease,background .22s ease,border-color .22s ease;
}
.issue-card:hover{
  transform:translateY(-4px);
  background:rgba(255,255,255,.1);
  border-color:rgba(216,243,91,.55);
}
.issue-index{
  font-size:13px;
  font-weight:800;
  color:var(--lime);
  letter-spacing:1px;
  margin-bottom:14px;
  display:block;
}
.issue-card h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:10px;}
.issue-card p{font-size:14.5px;color:rgba(255,255,255,.76);line-height:1.75;margin-bottom:16px;}
.issue-card .btn-text{color:var(--brand-amber);}
.issue-card .btn-text:hover{color:var(--lime);}

/* ============ 数据徽章条 ============ */
.stat-row{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:36px;
}
.stat-badge{
  border-radius:var(--r-md);
  border:1px solid rgba(216,243,91,.25);
  background:rgba(216,243,91,.07);
  padding:22px 20px;
  transition:transform .22s ease,background .22s ease;
}
.stat-badge:hover{transform:translateY(-4px);background:rgba(216,243,91,.13);}
.stat-num{
  font-size:clamp(30px,3.4vw,38px);
  font-weight:800;
  color:var(--lime);
  line-height:1;
  display:flex;
  align-items:baseline;
  gap:6px;
}
.stat-num small{font-size:14px;font-weight:600;color:rgba(255,255,255,.82);}
.stat-label{font-size:13.5px;color:rgba(255,255,255,.74);margin-top:10px;display:block;}

/* ============ FAQ ============ */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:border-color .22s ease,background .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:var(--brand-orange);background:#FFFBF6;box-shadow:var(--sh-md);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  display:flex;
  align-items:center;
  gap:16px;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-q-mark{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:9px;
  background:rgba(255,106,43,.14);
  color:var(--brand-orange-deep);
  font-size:13px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.faq-icon{
  margin-left:auto;
  width:26px;height:26px;
  flex-shrink:0;
  border-radius:50%;
  background:rgba(255,106,43,.12);
  color:var(--brand-orange-deep);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  transition:transform .25s ease,background .25s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand-orange);color:#fff;}
.faq-answer{padding:0 24px 22px 68px;font-size:15.5px;color:var(--muted);line-height:1.8;}

/* ============ 相关分类卡 ============ */
.rel-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:28px;
  align-items:stretch;
}
.rel-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(255,106,43,.35);}
.rel-thumb{position:relative;overflow:hidden;border-radius:var(--r-xl) var(--r-xl) 0 0;}
.rel-thumb img{width:100%;height:230px;object-fit:cover;border-radius:var(--r-xl) var(--r-xl) 0 0;transition:transform .35s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-tag{
  position:absolute;left:16px;top:16px;
  background:var(--teal);
  color:#fff;
  font-size:12.5px;
  font-weight:700;
  padding:6px 14px;
  border-radius:var(--r-pill);
}
.rel-body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:19px;font-weight:700;color:var(--ink);}
.rel-body p{font-size:14.5px;color:var(--muted);margin:0;}
.rel-body .btn-text{margin-top:auto;}

.rel-side{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:30px 28px;
  box-shadow:var(--sh-sm);
  display:flex;
  flex-direction:column;
  gap:16px;
}
.rel-side h3{font-size:19px;font-weight:700;color:var(--ink);}
.rel-side p{font-size:14.5px;color:var(--muted);margin:0;}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:4px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);align-items:flex-start;}
.check-list i{color:var(--teal);margin-top:6px;font-size:13px;}
.rel-side .btn{margin-top:auto;}

/* ============ CTA ============ */
.cta-card{
  border-radius:var(--r-xl);
  background:var(--grad-brand);
  padding:60px 56px;
  display:grid;
  grid-template-columns:1.4fr .6fr;
  gap:40px;
  align-items:center;
  color:#fff;
  box-shadow:var(--sh-lg);
  position:relative;
  overflow:hidden;
}
.cta-card::before{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:-120px;bottom:-200px;
  background:radial-gradient(circle,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 70%);
}
.cta-text{position:relative;}
.cta-text h2{font-size:clamp(24px,3vw,34px);font-weight:800;color:#fff;margin-bottom:14px;}
.cta-text p{font-size:16px;color:rgba(255,255,255,.92);max-width:620px;margin:0;}
.cta-actions{position:relative;display:flex;flex-direction:column;gap:14px;}
.cta-actions .btn-ghost{background:#fff;border-color:#fff;color:var(--brand-orange-deep);}
.cta-actions .btn-ghost:hover{background:var(--ink);border-color:var(--ink);color:#fff;}
.cta-note{font-size:13px;color:rgba(255,255,255,.88);text-align:center;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C9D8D4;padding:72px 0 0;margin-top:0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand strong{font-size:17px;color:#fff;font-weight:800;}
.footer-grid p{font-size:14px;color:rgba(201,216,212,.8);line-height:1.8;margin:0;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(201,216,212,.82);}
.footer-links a:hover{color:var(--lime);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(201,216,212,.82);}
.footer-contact b{color:var(--lime);font-size:16px;font-weight:700;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  padding:22px 0 28px;
  font-size:13px;
  color:rgba(201,216,212,.7);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sec-space:88px;}
  .cat-hero-card{padding:48px 40px;}
  .dark-panel{padding:56px 40px;}
}
@media (max-width:1023px){
  :root{--sec-space:72px;}
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-actions .btn-primary{display:none;}
  .cat-hero-inner{grid-template-columns:1fr;gap:32px;}
  .cat-hero-media img{height:280px;}
  .split{grid-template-columns:1fr;gap:36px;}
  .split-media img{height:360px;}
  .issue-grid{grid-template-columns:1fr 1fr;}
  .stat-row{grid-template-columns:1fr 1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-card{grid-template-columns:1fr;padding:48px 36px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--sec-space:56px;}
  .container{padding:0 16px;}
  .topbar-tip{display:none;}
  .nav-inner{min-height:68px;}
  .brand-text strong{font-size:15.5px;}
  .brand-text small{font-size:11.5px;}
  .brand-mark{width:40px;height:40px;font-size:18px;border-radius:12px;}
  .cat-hero-card{padding:36px 24px;border-radius:24px;}
  .cat-hero-text h1{font-size:clamp(28px,7vw,34px);}
  .cat-hero-media img{height:230px;}
  .float-card{position:static;margin-top:14px;left:auto;right:auto;bottom:auto;}
  .switch-bar{border-radius:var(--r-lg);}
  .switch-item{width:100%;justify-content:center;}
  .issue-grid{grid-template-columns:1fr;}
  .dark-panel{padding:40px 24px;border-radius:24px;}
  .stat-row{grid-template-columns:1fr 1fr;}
  .split-media img{height:260px;}
  .faq-answer{padding:0 20px 20px 20px;}
  .faq-item summary{padding:18px 18px;font-size:15.5px;}
  .rel-body{padding:20px;}
  .rel-side{padding:24px 22px;}
  .cta-card{padding:38px 24px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:559px){
  .stat-row{grid-template-columns:1fr 1fr;gap:12px;}
  .stat-badge{padding:18px 16px;}
  .card, .step-item{padding:20px;}
  .section{padding:52px 0;}
}

/* roulang page: category2 */
:root{
  --brand:#FF6A2B;
  --brand-deep:#D9451A;
  --amber:#FFC53D;
  --ink:#0F2E28;
  --ink-2:#14403A;
  --teal:#1FB6A6;
  --lime:#D8F35B;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --border:#E6E1D8;
  --text:#17211F;
  --text-2:#5A6B67;
  --text-3:#8B9A96;
  --danger:#D64545;
  --grad:linear-gradient(120deg,#FF6A2B,#FF9A3D,#FFC53D);
  --grad-dark:linear-gradient(120deg,#0F2E28,#14403A);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-sm:0 1px 2px rgba(15,46,40,.06);
  --sh-md:0 8px 24px rgba(15,46,40,.08);
  --sh-lg:0 20px 48px rgba(15,46,40,.12);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit}
:focus-visible{outline:3px solid rgba(255,106,43,.75);outline-offset:2px;border-radius:8px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:#FFFFFF}
.section-head{max-width:760px;margin-bottom:48px}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--brand-deep);
  background:rgba(255,106,43,.1);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:16px;
}
h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.25;letter-spacing:0}
h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.35;letter-spacing:0}
h3{font-size:20px;font-weight:700;line-height:1.5;letter-spacing:0}
h4{font-size:18px;font-weight:600;line-height:1.6}
.section-head p{color:var(--text-2);margin-top:14px;font-size:16px}

/* 顶部信息条 */
.topbar{background:var(--ink);height:40px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:40px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-domain{color:#fff;font-size:13px;font-weight:600;letter-spacing:.01em}
.topbar-tip{color:rgba(255,255,255,.62);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:16px}
.topbar-link{color:rgba(255,255,255,.8);font-size:13px;transition:color .2s}
.topbar-link:hover{color:var(--lime)}

/* 主导航 */
.site-header{position:relative;z-index:70}
.navbar{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s ease}
.navbar.scrolled{box-shadow:var(--sh-md)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;flex:0 0 auto;
  border-radius:14px;
  background:var(--grad);
  color:#fff;font-weight:800;font-size:20px;
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(255,106,43,.32);
}
.brand-text strong{display:block;font-size:17px;font-weight:800;line-height:1.3}
.brand-text small{display:block;font-size:12px;color:var(--text-3);line-height:1.4}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:600;color:var(--text-2);transition:color .2s}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;position:relative;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--border);background:#fff;cursor:pointer;
}
.nav-toggle span{position:absolute;top:50%;left:50%;width:18px;height:2px;margin:-1px 0 0 -9px;background:var(--ink);border-radius:2px;transition:background .2s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,top .25s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.open span::after{top:0;transform:rotate(-45deg)}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(15,46,40,.5);opacity:0;visibility:hidden;transition:opacity .3s;z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:88%;max-width:360px;
  background:#fff;z-index:90;padding:24px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s ease;box-shadow:var(--sh-lg);
}
.mobile-drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:#fff;font-size:22px;line-height:1;cursor:pointer;color:var(--text-2)}
.drawer-close:hover{color:var(--brand-deep);border-color:var(--brand)}
.drawer-nav{margin-top:8px}
.drawer-nav a{display:block;padding:16px 0;border-bottom:1px solid var(--border);font-size:16px;font-weight:600;color:var(--text-2)}
.drawer-nav a:hover{color:var(--brand-deep)}
.drawer-nav a.active{color:var(--ink);font-weight:700}
.btn-block{width:100%;justify-content:center;margin-top:24px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{background:linear-gradient(120deg,#E0561F,#C23C14);color:#fff;box-shadow:var(--sh-md)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-lg)}
.btn-primary:active{transform:none;box-shadow:var(--sh-sm)}
.btn-secondary{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-secondary:hover{background:var(--ink);color:#fff}
.btn-secondary:active{transform:none}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-lime{background:var(--lime);color:var(--ink);font-weight:700}
.btn-lime:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-xs{padding:7px 14px;font-size:13px}
.btn[disabled],.btn.is-disabled{opacity:.6;pointer-events:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand-deep);transition:gap .2s ease,color .2s ease}
.link-arrow:hover{gap:12px;color:var(--ink)}
.link-arrow svg{width:16px;height:16px}

/* 面包屑 */
.page-hero{padding:32px 0 0}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.breadcrumb a{color:var(--text-2);transition:color .2s}
.breadcrumb a:hover{color:var(--brand-deep)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* 分类 Hero */
.cat-hero-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad-dark);
  color:#fff;
  padding:56px 56px 48px;
  box-shadow:var(--sh-lg);
}
.cat-hero-card::before{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.30),rgba(255,106,43,0) 68%);
}
.cat-hero-card::after{
  content:"";position:absolute;width:380px;height:380px;left:-140px;bottom:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(216,243,91,.16),rgba(216,243,91,0) 70%);
}
.cat-hero-inner{position:relative;z-index:2;max-width:820px}
.cat-hero-card h1{color:#fff;margin-top:18px}
.cat-hero-sub{font-size:17px;color:rgba(255,255,255,.84);margin-top:16px;max-width:660px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 15px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;
}
.pill-lime{background:var(--lime);color:var(--ink);border-color:transparent}
.pill-amber{background:rgba(255,197,61,.16);color:var(--amber);border-color:rgba(255,197,61,.3)}
.pill-teal{background:rgba(31,182,166,.14);color:#7FE3D8;border-color:rgba(31,182,166,.34)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* 分类切换 */
.cat-switch{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:28px;padding:16px 20px;
  background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--sh-sm);
}
.cat-switch-label{font-size:13px;font-weight:700;color:var(--text-3)}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;
  font-size:14px;font-weight:600;
  border:1px solid var(--border);background:#fff;color:var(--text-2);
  transition:border-color .2s,color .2s,background-color .2s,transform .2s;
}
.chip:hover{border-color:var(--teal);color:var(--ink);background:rgba(31,182,166,.08);transform:translateY(-1px)}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip.active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}

/* 通栏大图 */
.banner-xl{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  min-height:440px;
  display:flex;align-items:flex-end;
  box-shadow:var(--sh-lg);
}
.banner-xl img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.banner-xl::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,46,40,.2) 0%,rgba(15,46,40,.55) 45%,rgba(15,46,40,.9) 100%);
}
.banner-xl-body{position:relative;z-index:2;padding:48px;color:#fff;max-width:780px}
.banner-xl-body h2{color:#fff;margin-top:16px}
.banner-xl-body p{color:rgba(255,255,255,.82);margin-top:14px;font-size:16px}
.banner-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;
  font-size:15px;font-weight:700;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.45);padding-bottom:3px;
  transition:gap .2s,color .2s,border-color .2s;
}
.banner-link:hover{gap:14px;color:var(--lime);border-color:var(--lime)}

/* 2×2 要点卡 */
.grid-2x2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(255,106,43,.35)}
.feat-top{display:flex;align-items:center;gap:14px}
.feat-icon{
  width:48px;height:48px;flex:0 0 auto;border-radius:14px;
  display:grid;place-items:center;font-size:19px;font-weight:800;
  background:rgba(31,182,166,.12);color:#12897C;
}
.feat-icon.orange{background:rgba(255,106,43,.12);color:var(--brand-deep)}
.feat-icon.amber{background:rgba(255,197,61,.2);color:#8A5B00}
.feat-icon.ink{background:rgba(15,46,40,.08);color:var(--ink)}
.feat-card h3{margin-top:20px}
.feat-card>p{color:var(--text-2);font-size:15px;margin-top:10px}
.feat-list{margin-top:16px;display:grid;gap:8px}
.feat-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2)}
.feat-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--brand)}

/* 规格条 */
.spec-bar{
  display:grid;grid-template-columns:repeat(5,1fr);gap:1px;
  background:var(--border);border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);
}
.spec-item{background:#fff;padding:26px 22px;display:flex;flex-direction:column;gap:8px}
.spec-k{font-size:13px;font-weight:600;color:var(--text-3)}
.spec-v{font-size:15px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.6}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-sm);transition:transform .25s,box-shadow .25s}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-lg)}
.step-num{font-size:34px;font-weight:800;line-height:1;color:var(--brand)}
@supports (-webkit-text-stroke:1px #000){
  .step-num{color:transparent;-webkit-text-stroke:1.5px var(--brand)}
}
.step h3{font-size:18px;margin-top:14px}
.step p{font-size:14px;color:var(--text-2);margin-top:8px}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  margin-bottom:14px;overflow:hidden;
  transition:border-color .25s,background-color .25s,box-shadow .25s;
}
.faq-item:hover{box-shadow:var(--sh-md)}
.faq-item.open{border-color:var(--brand);background:#FFF8F3}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;
}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;font-size:18px;line-height:1;
  background:rgba(255,106,43,.12);color:var(--brand-deep);
  transition:transform .3s ease,background-color .3s,color .3s;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 24px 22px;color:var(--text-2);font-size:15px}

/* 相关分类卡 */
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.related-card{
  display:flex;align-items:center;gap:20px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(31,182,166,.45)}
.related-icon{
  width:52px;height:52px;flex:0 0 auto;border-radius:16px;
  display:grid;place-items:center;font-size:20px;font-weight:800;
  background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,106,43,.28);
}
.related-body{flex:1;min-width:0}
.related-body h3{font-size:18px}
.related-body p{font-size:14px;color:var(--text-2);margin-top:6px}
.related-arrow{font-size:20px;color:var(--text-3);transition:transform .2s,color .2s}
.related-card:hover .related-arrow{transform:translateX(4px);color:var(--brand-deep)}

/* CTA */
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad-dark);
  color:#fff;
  padding:56px;
  display:grid;grid-template-columns:1.35fr .9fr;gap:44px;align-items:center;
  box-shadow:var(--sh-lg);
}
.cta-card::before{
  content:"";position:absolute;width:480px;height:480px;left:-180px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.28),rgba(255,106,43,0) 70%);
}
.cta-content{position:relative;z-index:2}
.cta-card h2{color:#fff}
.cta-card p{color:rgba(255,255,255,.8);margin-top:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-visual{position:relative;z-index:2}
.cta-visual img{width:100%;height:280px;object-fit:cover;border-radius:var(--r-lg);box-shadow:0 24px 48px rgba(0,0,0,.28)}
.cta-note{display:block;font-size:13px;color:rgba(255,255,255,.6);margin-top:12px}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:#fff}
.footer-brand strong{font-size:17px;font-weight:800}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.9}
.footer-links a{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.72);transition:color .2s}
.footer-links a:hover{color:var(--lime)}
.footer-contact{display:grid;gap:8px;font-size:14px}
.footer-contact b{color:#fff;font-size:15px;font-variant-numeric:tabular-nums}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* 响应式 */
@media (max-width:1279px){
  .section{padding:80px 0}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-menu{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:block}
  .grid-2x2{grid-template-columns:repeat(2,1fr)}
  .spec-bar{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;gap:32px;padding:44px}
  .cta-visual img{height:240px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cat-hero-card{padding:44px 36px 40px}
  .banner-xl{min-height:400px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  h1{font-size:30px}
  .topbar-tip{display:none}
  .topbar-link{display:none}
  .grid-2x2{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .spec-bar{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cat-hero-card{padding:32px 24px 30px}
  .cat-hero-sub{font-size:16px}
  .banner-xl{min-height:340px}
  .banner-xl-body{padding:24px}
  .cta-card{padding:32px 24px}
  .cta-visual img{height:200px}
  .related-card{padding:22px}
  .feat-card{padding:24px 20px}
}
@media (max-width:559px){
  .spec-bar{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cat-switch{padding:14px}
  .chip{width:100%;justify-content:center}
}