/* roulang page: index */
:root{
  --brand:#0D5C8A;
  --brand-dark:#083A5A;
  --brand-light:#E8F2F8;
  --accent:#E97132;
  --spot:#A8C93A;
  --bg:#F4F7FA;
  --card:#FFFFFF;
  --line:#E2EAF1;
  --text:#16242F;
  --muted:#5A6B78;
  --faint:#8A99A6;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-panel:18px;
  --sh-card:0 8px 24px rgba(13,92,138,.08);
  --sh-hover:0 14px 34px rgba(13,92,138,.14);
  --section:clamp(64px,8vw,112px);
  --font-cn:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow","Barlow Semi Condensed",var(--font-cn);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:underline;text-underline-offset:1px;transition:color .2s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(13,92,138,.2);border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}
.section{padding:var(--section) 0}
.section-tight{padding:clamp(48px,6vw,80px) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand);
  text-transform:uppercase;background:var(--brand-light);
  padding:6px 14px;border-radius:6px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--spot)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;margin:16px 0 14px}
.sec-head p{color:var(--muted);font-size:16px}
.h2-bar{position:relative;padding-left:16px}
.h2-bar::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--accent)}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#0b4f76;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(13,92,138,.24)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#d4622a;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(233,113,50,.28)}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-light);color:var(--brand)}
.btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff;backdrop-filter:blur(2px)}
.btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.link-btn{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--brand);text-decoration:none}
.link-btn i{transition:transform .2s ease}
.link-btn:hover{color:var(--accent)}
.link-btn:hover i{transform:translateX(3px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(13,92,138,.08)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:9px;flex-shrink:0;position:relative;
  background:linear-gradient(135deg,var(--brand) 0%,#12719f 100%);
}
.brand-mark::after{
  content:"";position:absolute;inset:8px 7px;border-radius:2px;
  border-left:3px solid #fff;border-bottom:3px solid var(--spot);
}
.brand-text{font-size:19px;font-weight:800;color:var(--brand-dark);letter-spacing:-.02em}
.brand-text span{color:var(--accent)}
.main-nav{flex:1}
.main-nav ul{display:flex;align-items:center;gap:6px}
.main-nav a{
  display:block;padding:10px 14px;border-radius:8px;font-size:15px;font-weight:600;
  color:var(--text);text-decoration:none;position:relative;transition:color .2s ease,background-color .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--brand);background:var(--brand-light)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--brand)}
.main-nav a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.mega-host{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;
  border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;color:var(--brand);cursor:pointer;transition:all .2s ease;
}
.mega-trigger:hover{border-color:var(--brand);background:var(--brand-light)}
.mega-trigger i{transition:transform .22s ease}
.mega-host.is-open .mega-trigger{border-color:var(--brand);background:var(--brand-light)}
.mega-host.is-open .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:760px;background:#fff;
  border-radius:var(--r-panel);box-shadow:0 20px 48px rgba(8,58,90,.18);
  border:1px solid var(--line);overflow:hidden;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.mega-panel::before{content:"";display:block;height:3px;background:var(--brand)}
.mega-host.is-open .mega-panel,
.mega-host:hover .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:0}
.mega-col{padding:24px;border-right:1px solid var(--line)}
.mega-col:last-child{border-right:0}
.mega-col h4{font-size:13px;letter-spacing:.08em;color:var(--faint);text-transform:uppercase;margin-bottom:14px;font-weight:600}
.mega-cat{display:flex;align-items:flex-start;gap:12px;padding:10px;border-radius:10px;text-decoration:none;transition:background-color .2s ease}
.mega-cat:hover{background:var(--brand-light)}
.mega-cat i{width:32px;height:32px;flex-shrink:0;display:grid;place-items:center;border-radius:9px;background:var(--brand-light);color:var(--brand);font-size:14px}
.mega-cat:hover i{background:#fff}
.mega-cat strong{display:block;font-size:14px;color:var(--text);font-weight:600}
.mega-cat small{color:var(--muted);font-size:12px;line-height:1.5}
.mega-list li{border-bottom:1px dashed var(--line)}
.mega-list li:last-child{border-bottom:0}
.mega-list a{display:block;padding:10px 8px;text-decoration:none;border-radius:8px;transition:background-color .2s ease}
.mega-list a:hover{background:var(--brand-light)}
.mega-list .t{font-size:14px;font-weight:600;color:var(--text);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mega-list .d{font-size:12px;color:var(--faint);font-family:var(--font-num);font-variant-numeric:tabular-nums}
.mega-card{display:block;text-decoration:none;border-radius:12px;overflow:hidden;border:1px solid var(--line);transition:transform .22s ease,box-shadow .22s ease}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--sh-card)}
.mega-card img{width:100%;height:110px;object-fit:cover}
.mega-card-body{padding:12px 14px}
.mega-card-body strong{font-size:14px;color:var(--text);display:block;margin-bottom:4px}
.mega-card-body span{font-size:13px;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--brand);font-size:18px;cursor:pointer;
}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:8px 0 20px}
.mobile-nav.is-open{display:block}
.mobile-nav .m-group{padding:14px 24px 8px;font-size:12px;letter-spacing:.08em;color:var(--faint);text-transform:uppercase;font-weight:600}
.mobile-nav a{
  display:flex;justify-content:space-between;align-items:center;padding:12px 24px;
  font-size:15px;font-weight:600;color:var(--text);text-decoration:none;border-bottom:1px solid var(--line);
}
.mobile-nav a:hover{background:var(--brand-light);color:var(--brand)}
.mobile-nav a.is-active{color:var(--brand)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-dark)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02)}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,58,90,.92) 0%,rgba(8,58,90,.78) 46%,rgba(13,92,138,.42) 100%);
}
.hero-inner{position:relative;z-index:2;padding:clamp(72px,9vw,120px) 24px clamp(56px,7vw,88px);max-width:1200px;margin:0 auto}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  padding:7px 14px;border-radius:6px;margin-bottom:22px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--spot)}
.hero h1{
  color:#fff;font-size:clamp(28px,4vw,50px);line-height:1.2;font-weight:800;
  max-width:900px;margin-bottom:20px;letter-spacing:-.02em;
}
.hero-sub{color:rgba(255,255,255,.86);font-size:clamp(16px,1.5vw,19px);line-height:1.75;max-width:640px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:clamp(40px,5vw,64px)}
.trust-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(255,255,255,.18);border-radius:var(--r-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.2);
}
.trust-item{background:rgba(255,255,255,.08);padding:20px 22px;display:flex;align-items:center;gap:12px}
.trust-item i{color:var(--spot);font-size:17px}
.trust-item span{color:#fff;font-size:14px;font-weight:600}

/* ---------- 服务区 ---------- */
.svc-layout{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.svc-side{position:sticky;top:104px}
.svc-side h2{font-size:clamp(24px,2.6vw,32px);line-height:1.32;margin:16px 0 16px}
.svc-side p{color:var(--muted);margin-bottom:24px}
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-card);transition:transform .25s ease,box-shadow .25s ease;
  position:relative;overflow:hidden;
}
.svc-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);opacity:0;transition:opacity .25s ease}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.svc-card:hover::before{opacity:1}
.svc-grid .svc-card:nth-child(2){margin-top:36px}
.svc-grid .svc-card:nth-child(4){margin-top:36px}
.svc-icon{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);font-size:19px;margin-bottom:18px;
}
.svc-card h3{font-size:20px;margin-bottom:10px}
.svc-card p{color:var(--muted);font-size:15px;margin-bottom:16px}

/* ---------- 数据带 ---------- */
.data-band{background:var(--brand-dark);color:#fff;position:relative;overflow:hidden}
.data-band::after{
  content:"";position:absolute;right:-120px;top:-60px;width:420px;height:420px;border-radius:50%;
  border:56px solid rgba(255,255,255,.05);
}
.data-band .container{position:relative;z-index:2}
.data-layout{display:grid;grid-template-columns:1fr 1.35fr;gap:56px;align-items:center}
.data-layout h2{color:#fff;font-size:clamp(24px,2.6vw,32px);line-height:1.32;margin:14px 0 14px}
.data-layout p{color:rgba(255,255,255,.72);font-size:15px}
.data-band .eyebrow{background:rgba(255,255,255,.12);color:#fff}
.data-band .eyebrow::before{background:var(--spot)}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.data-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:24px 20px;position:relative;
}
.data-card::before{content:"";position:absolute;left:20px;top:20px;width:8px;height:8px;border-radius:50%;background:var(--spot)}
.data-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(28px,3.2vw,40px);font-weight:700;color:var(--accent);line-height:1.1;margin:26px 0 8px;
}
.data-num small{font-size:15px;color:rgba(255,255,255,.66);margin-left:4px;font-weight:500}
.data-card span{display:block;font-size:14px;color:rgba(255,255,255,.78)}

/* ---------- 案例区 ---------- */
.case-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:24px}
.case-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-card);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.case-card .thumb{position:relative;overflow:hidden}
.case-card .thumb img{width:100%;height:100%;object-fit:cover}
.case-card.tall .thumb{height:280px}
.case-card .thumb{height:190px}
.case-body{padding:24px}
.case-body h3{font-size:19px;margin:12px 0 10px}
.case-body p{color:var(--muted);font-size:14px}
.badge-soft{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:6px;padding:4px 10px;
}
.badge-spot{background:rgba(168,201,58,.18);color:#5c7412}

/* ---------- 方案区 ---------- */
.plan-layout{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.plan-tabs{display:flex;flex-direction:column;gap:10px}
.plan-tab{
  text-align:left;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;cursor:pointer;transition:all .22s ease;position:relative;
}
.plan-tab strong{display:block;font-size:16px;color:var(--text);margin-bottom:4px}
.plan-tab small{color:var(--faint);font-size:13px;font-family:var(--font-num);font-variant-numeric:tabular-nums}
.plan-tab:hover{border-color:var(--brand);background:var(--brand-light)}
.plan-tab.is-active{background:var(--brand);border-color:var(--brand)}
.plan-tab.is-active strong,.plan-tab.is-active small{color:#fff}
.plan-panel{display:none;background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);padding:32px;box-shadow:var(--sh-card)}
.plan-panel.is-active{display:block;animation:fadeUp .32s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.plan-panel h3{font-size:22px;margin-bottom:14px}
.plan-panel > p{color:var(--muted);margin-bottom:24px}
.plan-figure{border-radius:var(--r-img);overflow:hidden;margin-bottom:24px}
.plan-figure img{width:100%;height:260px;object-fit:cover}
.plan-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.plan-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--muted);
  background:var(--brand-light);border-radius:10px;padding:14px 16px;
}
.plan-list i{color:var(--brand);margin-top:4px}

/* ---------- 内容列表 ---------- */
.news-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-card);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.news-card .thumb{display:block;height:180px;overflow:hidden}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .thumb img{transform:scale(1.06)}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-title{font-size:18px;line-height:1.5;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{text-decoration:none;color:var(--text)}
.news-title a:hover{color:var(--brand)}
.news-sum{color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px}
.news-meta{
  margin-top:auto;display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--faint);font-family:var(--font-num);font-variant-numeric:tabular-nums;
  border-top:1px dashed var(--line);padding-top:14px;
}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-panel);
  padding:64px 32px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:34px;color:var(--brand-light);background:var(--brand-light);padding:18px;border-radius:50%;margin-bottom:18px;color:var(--brand)}
.empty-state p{margin-bottom:20px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.faq-side{position:sticky;top:104px}
.faq-side h2{font-size:clamp(24px,2.6vw,32px);line-height:1.32;margin:16px 0 16px}
.faq-side p{color:var(--muted);margin-bottom:24px}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:var(--r-card)!important;
  margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  background:#fff;color:var(--text);font-weight:600;font-size:16px;padding:20px 24px;
  box-shadow:none!important;border-radius:var(--r-card)!important;
}
.accordion-button:not(.collapsed){background:#fff;color:var(--brand)}
.accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);transition:transform .25s ease;width:auto;height:auto;transform:none;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-body{padding:0 24px 22px;color:var(--muted);font-size:15px}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:4px solid var(--brand)!important}

/* ---------- 联系 ---------- */
.contact-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;align-items:start}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);padding:32px;box-shadow:var(--sh-card)}
.contact-form h3{font-size:22px;margin-bottom:8px}
.contact-form > p{color:var(--muted);font-size:15px;margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field .req{color:var(--accent);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--text);font-size:15px;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(13,92,138,.12);
}
.form-done{display:none;margin-top:16px;background:rgba(168,201,58,.16);color:#4f6410;border-radius:10px;padding:12px 16px;font-size:14px}
.form-done.show{display:block}
.info-card{background:var(--brand-dark);color:#fff;border-radius:var(--r-panel);padding:32px;position:relative;overflow:hidden}
.info-card::after{content:"";position:absolute;right:-80px;bottom:-80px;width:240px;height:240px;border-radius:50%;border:36px solid rgba(255,255,255,.05)}
.info-card h3{color:#fff;font-size:20px;margin-bottom:22px}
.info-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);position:relative;z-index:2}
.info-list li:last-child{border-bottom:0}
.info-list i{width:34px;height:34px;flex-shrink:0;display:grid;place-items:center;border-radius:9px;background:rgba(255,255,255,.12);color:var(--accent);font-size:14px}
.info-list strong{display:block;font-size:14px;color:#fff;margin-bottom:2px}
.info-list span{font-size:14px;color:rgba(255,255,255,.72);font-family:var(--font-num);font-variant-numeric:tabular-nums}
.map-slot{
  margin-top:22px;height:150px;border-radius:var(--r-img);position:relative;z-index:2;
  background:linear-gradient(135deg,rgba(255,255,255,.1),rgba(255,255,255,.03));
  border:1px dashed rgba(255,255,255,.25);display:grid;place-items:center;color:rgba(255,255,255,.6);font-size:14px;gap:8px;
}
.map-slot i{font-size:22px;color:var(--accent)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:#fff;padding-top:clamp(56px,6vw,84px)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{color:rgba(255,255,255,.66);font-size:14px;margin:18px 0 20px;max-width:320px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{font-size:12px;color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.2);border-radius:6px;padding:4px 10px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;text-decoration:none}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;color:rgba(255,255,255,.72);font-size:14px;margin-bottom:12px;align-items:flex-start}
.footer-contact i{color:var(--accent);margin-top:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;
  justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.56);
}
.footer-bottom .num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .mega-panel{width:640px}
  .data-layout{gap:40px}
  .case-grid{grid-template-columns:1.2fr 1fr}
  .case-grid .case-card:last-child{grid-column:span 2}
  .case-card.tall .thumb,.case-card .thumb{height:220px}
}
@media (max-width:991px){
  .main-nav,.mega-host{display:none}
  .nav-toggle{display:inline-grid;place-items:center}
  .svc-layout,.faq-layout,.plan-layout,.data-layout{grid-template-columns:1fr;gap:32px}
  .svc-side,.faq-side{position:static}
  .data-grid{grid-template-columns:repeat(2,1fr)}
  .trust-bar{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .contact-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hero h1{font-size:28px}
  .svc-grid,.plan-list,.news-grid,.case-grid{grid-template-columns:1fr}
  .svc-grid .svc-card:nth-child(2),.svc-grid .svc-card:nth-child(4){margin-top:0}
  .case-grid .case-card:last-child{grid-column:auto}
  .nav-wrap{height:68px}
  .brand-text{font-size:17px}
  .footer-grid{grid-template-columns:1fr}
  .plan-panel{padding:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .trust-bar{grid-template-columns:1fr}
  .data-grid{grid-template-columns:1fr 1fr;gap:12px}
  .hero-actions .btn{width:100%}
  .contact-form{padding:22px}
}

/* roulang page: article */
:root{
  --brand:#0D5C8A;
  --brand-deep:#083A5A;
  --brand-soft:#E8F2F8;
  --accent:#E97132;
  --lime:#A8C93A;
  --bg:#F4F7FA;
  --card:#FFFFFF;
  --line:#E2EAF1;
  --text:#16242F;
  --text-2:#5A6B78;
  --muted:#8A99A6;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-panel:18px;
  --shadow-card:0 8px 24px rgba(13,92,138,.08);
  --shadow-hover:0 14px 34px rgba(13,92,138,.14);
  --shadow-nav:0 6px 20px rgba(13,92,138,.08);
  --section:clamp(64px,8vw,112px);
  --font-num:"Barlow","Barlow Semi Condensed",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--text);letter-spacing:-.2px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.num,.stat-num,.meta-date,.footer-bottom .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
:focus-visible{outline:3px solid rgba(13,92,138,.28);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(13,92,138,.16);}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid var(--line);}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.topbar{background:var(--brand-deep);color:rgba(255,255,255,.86);font-size:13px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
.topbar .tb-left{display:flex;align-items:center;gap:20px;}
.topbar i{color:var(--lime);margin-right:6px;}
.topbar a{color:#fff;}
.topbar a:hover{color:var(--accent);}
.header-inner{display:flex;align-items:center;gap:32px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand) 0%,#1279B4 100%);
  position:relative;flex:0 0 auto;
}
.brand-mark::before{
  content:"";position:absolute;inset:9px 8px auto 8px;height:12px;
  border:2px solid rgba(255,255,255,.95);border-bottom:none;
  border-radius:12px 12px 0 0;
}
.brand-mark::after{
  content:"";position:absolute;left:8px;right:8px;bottom:9px;height:2px;
  background:var(--accent);border-radius:2px;
}
.brand-text{font-size:20px;font-weight:800;color:var(--text);letter-spacing:-.4px;line-height:1.1;}
.brand-text span{color:var(--brand);}
.main-nav{flex:1 1 auto;}
.main-nav ul{display:flex;align-items:center;gap:4px;}
.main-nav a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:9px;
  color:var(--text-2);font-size:15px;font-weight:600;position:relative;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft);}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.mega-wrap{position:relative;}
.mega-toggle{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;
  border:1px solid var(--brand);border-radius:var(--radius-btn);background:#fff;
  color:var(--brand);font-size:14px;font-weight:700;cursor:pointer;transition:.2s ease;
}
.mega-toggle i{transition:transform .22s ease;}
.mega-toggle:hover{background:var(--brand-soft);}
.mega-wrap.is-open .mega-toggle i,.mega-wrap:hover .mega-toggle i{transform:rotate(180deg);}
.nav-cta{
  display:inline-flex;align-items:center;height:42px;padding:0 20px;border-radius:var(--radius-btn);
  background:var(--accent);color:#fff;font-size:14px;font-weight:700;
}
.nav-cta:hover{background:#d5601f;color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--brand);font-size:18px;cursor:pointer;
}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:min(860px,86vw);
  background:#fff;border-radius:var(--radius-panel);box-shadow:0 22px 48px rgba(8,58,90,.18);
  border:1px solid var(--line);overflow:hidden;padding:0;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.mega-panel::before{content:"";display:block;height:3px;background:var(--brand);}
.mega-wrap:hover .mega-panel,.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1.1fr 1.1fr 1fr;gap:0;}
.mega-col{padding:24px 22px;border-right:1px solid var(--line);}
.mega-col:last-child{border-right:none;}
.mega-col h5{font-size:13px;color:var(--muted);font-weight:700;letter-spacing:1px;margin-bottom:14px;text-transform:uppercase;}
.mega-cat li+li{margin-top:10px;}
.mega-cat a{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--text);}
.mega-cat a:hover{color:var(--brand);}
.mega-cat i{width:30px;height:30px;border-radius:9px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:13px;flex:0 0 auto;}
.mega-news li+li{margin-top:12px;}
.mega-news a{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.5;}
.mega-news a:hover{color:var(--brand);}
.mega-news span{display:block;font-size:12px;color:var(--muted);margin-top:2px;font-family:var(--font-num);}
.mega-card{display:block;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);}
.mega-card img{width:100%;height:104px;object-fit:cover;transition:transform .3s ease;}
.mega-card:hover img{transform:scale(1.04);}
.mega-card-body{padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.mega-card-body strong{font-size:14px;font-weight:700;color:var(--text);line-height:1.4;}
.mega-card-body i{color:var(--brand);}
.mega-card:hover .mega-card-body i{transform:translateX(3px);transition:transform .2s ease;}

/* ---------- 内页 banner ---------- */
.page-banner{
  position:relative;padding:56px 0 48px;color:#fff;
  background:linear-gradient(90deg,rgba(8,58,90,.9) 0%,rgba(13,92,138,.82) 55%,rgba(13,92,138,.62) 100%),
             url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-banner::after{
  content:"";position:absolute;right:0;bottom:0;width:min(420px,45%);height:100%;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 2px,transparent 2px 26px);
  pointer-events:none;
}
.breadcrumb-nav{position:relative;z-index:2;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:16px;}
.breadcrumb-nav a{color:rgba(255,255,255,.86);}
.breadcrumb-nav a:hover{color:var(--accent);}
.breadcrumb-nav span.sep{margin:0 8px;color:rgba(255,255,255,.5);}
.breadcrumb-nav strong{color:#fff;font-weight:600;}
.page-banner h1{
  position:relative;z-index:2;color:#fff;font-size:clamp(26px,3.2vw,40px);line-height:1.3;
  max-width:880px;font-weight:800;letter-spacing:-.4px;
}
.banner-meta{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:18px;}

/* ---------- 通用徽章 / 按钮 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:700;
}
.badge-lime{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:6px;
  background:rgba(168,201,58,.16);color:#6E8A14;font-size:13px;font-weight:700;
}
.badge-glass{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:6px;
  background:rgba(255,255,255,.16);color:#fff;font-size:13px;font-weight:600;border:1px solid rgba(255,255,255,.24);
}
.btn-solid,.btn-accent,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:.2s ease;
}
.btn-solid{background:var(--brand);color:#fff;}
.btn-solid:hover{background:#0A4A70;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(13,92,138,.24);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#d5601f;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(233,113,50,.26);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand);font-size:14px;}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 文章布局 ---------- */
.article-section{padding:var(--section) 0 0;}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
.article-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-panel);
  box-shadow:var(--shadow-card);padding:clamp(24px,3.4vw,44px);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  padding-bottom:20px;margin-bottom:26px;border-bottom:1px dashed var(--line);
  font-size:13px;color:var(--text-2);
}
.article-meta .mi{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{color:var(--brand);}
.article-body{
  max-width:100%;font-size:17px;line-height:1.9;color:#1F2F3B;
}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;font-size:24px;line-height:1.4;margin:2.2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:3px;
  background:var(--brand);
}
.article-body h3{font-size:19px;margin:1.8em 0 .6em;color:var(--brand-deep);}
.article-body h4{font-size:17px;margin:1.5em 0 .5em;color:var(--brand-deep);}
.article-body strong{color:var(--brand-deep);font-weight:700;}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--accent);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:26px;margin-bottom:.6em;color:#233541;
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--lime);
}
.article-body ol{counter-reset:artnum;}
.article-body ol li::before{
  counter-increment:artnum;content:counter(artnum);
  position:absolute;left:0;top:.18em;width:20px;height:20px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;
  display:grid;place-items:center;font-family:var(--font-num);
}
.article-body blockquote{
  margin:1.8em 0;padding:18px 22px;background:var(--brand-soft);
  border-left:3px solid var(--brand);border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:#1F3B4D;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto;}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--muted);margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;
}
.article-body thead th{
  background:var(--brand);color:#fff;font-weight:700;text-align:left;padding:12px 16px;font-size:14px;
}
.article-body tbody td{padding:12px 16px;border-top:1px solid var(--line);color:#233541;}
.article-body tbody tr:nth-child(even){background:#F8FBFD;}
.article-body code{
  background:var(--brand-soft);color:var(--brand-deep);padding:2px 7px;border-radius:6px;
  font-family:var(--font-num);font-size:15px;
}
.article-body pre{
  background:var(--brand-deep);color:#E6F1F8;padding:18px 20px;border-radius:var(--radius-img);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{border:none;border-top:1px dashed var(--line);margin:2.2em 0;}

/* 文末 */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:22px;border-top:1px dashed var(--line);
}
.article-tags .tl{font-size:13px;color:var(--muted);font-weight:700;}
.tag-chip{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;
}
.tag-chip:hover{background:rgba(233,113,50,.14);color:var(--accent);}
.article-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;
}
.entry-card{
  display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--line);
  border-radius:var(--radius-card);background:#fff;transition:.22s ease;
}
.entry-card:hover{border-color:rgba(13,92,138,.4);box-shadow:var(--shadow-card);transform:translateY(-3px);}
.entry-card .ec-ico{
  width:40px;height:40px;border-radius:10px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;flex:0 0 auto;font-size:15px;
}
.entry-card .ec-txt{min-width:0;}
.entry-card .ec-txt small{display:block;font-size:12px;color:var(--muted);margin-bottom:2px;}
.entry-card .ec-txt strong{display:block;font-size:15px;color:var(--text);line-height:1.45;}
.entry-card .ec-arrow{margin-left:auto;color:var(--brand);}
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}

/* 侧栏 */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-panel);
  box-shadow:var(--shadow-card);padding:24px;margin-bottom:24px;
}
.side-card h4{font-size:17px;margin-bottom:14px;position:relative;padding-left:12px;}
.side-card h4::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:3px;background:var(--accent);
}
.side-list li+li{margin-top:12px;}
.side-list a{
  display:flex;align-items:flex-start;gap:10px;font-size:14px;font-weight:600;color:var(--text-2);line-height:1.6;
}
.side-list a:hover{color:var(--brand);}
.side-list .snum{
  width:22px;height:22px;border-radius:6px;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;display:grid;place-items:center;flex:0 0 auto;font-family:var(--font-num);
}
.side-list li a:hover .snum{background:var(--accent);color:#fff;}
.side-cta{
  background:linear-gradient(140deg,var(--brand-deep) 0%,var(--brand) 100%);color:#fff;
  border-radius:var(--radius-panel);padding:26px 24px;box-shadow:var(--shadow-card);
}
.side-cta h4{color:#fff;font-size:18px;padding-left:0;margin-bottom:10px;}
.side-cta h4::before{display:none;}
.side-cta p{color:rgba(255,255,255,.82);font-size:14px;margin-bottom:18px;}
.side-cta .btn-accent{width:100%;}
.side-facts{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px;}
.side-facts div{background:rgba(255,255,255,.1);border-radius:12px;padding:12px;}
.side-facts b{display:block;font-family:var(--font-num);font-size:22px;color:#fff;}
.side-facts span{font-size:12px;color:rgba(255,255,255,.75);}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--radius-panel);background:#FBFDFE;
}
.empty-state i{font-size:38px;color:var(--brand);opacity:.5;}
.empty-state h3{margin:16px 0 8px;font-size:20px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:20px;}

/* 相关推荐 */
.related-section{padding:var(--section) 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;}
.section-head h2 em{font-style:normal;color:var(--brand);}
.section-head p{color:var(--text-2);font-size:15px;margin:10px 0 0;max-width:620px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);transition:.24s ease;display:flex;flex-direction:column;height:100%;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.news-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .thumb img{transform:scale(1.05);}
.news-card .thumb .badge-soft{position:absolute;left:14px;bottom:14px;box-shadow:0 6px 14px rgba(8,58,90,.16);}
.news-card .nc-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-card h3{font-size:18px;line-height:1.5;margin-bottom:10px;}
.news-card h3 a{color:var(--text);}
.news-card h3 a:hover{color:var(--brand);}
.news-card p{font-size:14px;color:var(--text-2);margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .nc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}

/* CTA 带 */
.cta-band{
  margin-top:var(--section);background:var(--brand-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:clamp(40px,5vw,64px) 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-inner p{color:var(--text-2);font-size:15px;margin:0;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.82);margin-top:var(--section);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text span{color:var(--lime);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;max-width:380px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-tags span{
  font-size:12px;padding:5px 10px;border-radius:6px;background:rgba(255,255,255,.1);
  color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.14);
}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.footer-col ul li+li{margin-top:11px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--lime);margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-shell{grid-template-columns:minmax(0,1fr) 272px;gap:32px;}
  .card-grid{gap:22px;}
}
@media (max-width:991.98px){
  .header-inner{min-height:68px;gap:16px;}
  .nav-toggle{display:inline-grid;place-items:center;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-nav);padding:12px 20px 20px;display:none;
  }
  .main-nav.is-open{display:block;}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px;}
  .main-nav a{height:46px;padding:0 12px;border-radius:10px;}
  .main-nav a::after{display:none;}
  .nav-actions{margin-left:auto;}
  .nav-cta{display:none;}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;box-shadow:none;
    border-radius:14px;margin-top:12px;display:none;
  }
  .mega-wrap{position:static;}
  .mega-wrap:hover .mega-panel{opacity:1;visibility:visible;}
  .mega-wrap.is-open .mega-panel{display:block;}
  .mega-wrap:hover:not(.is-open) .mega-panel{display:none;}
  .mega-grid{grid-template-columns:1fr;}
  .mega-col{border-right:none;border-bottom:1px solid var(--line);}
  .mega-col:last-child{border-bottom:none;}
  .article-shell{grid-template-columns:1fr;}
  .article-main{padding:26px 20px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  .topbar .tb-left span:nth-child(2){display:none;}
  .page-banner{padding:40px 0 34px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;}
  .article-nav{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .card-grid{grid-template-columns:1fr;}
  .brand-text{font-size:18px;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .btn-solid,.btn-accent,.btn-ghost{width:100%;}
  .back-row .btn-solid,.back-row .btn-ghost{width:100%;}
}

/* roulang page: category1 */
:root{
  --primary:#0D5C8A;
  --primary-dark:#083A5A;
  --primary-light:#E8F2F8;
  --accent:#E97132;
  --lime:#A8C93A;
  --bg:#F4F7FA;
  --card:#FFFFFF;
  --line:#E2EAF1;
  --text:#16242F;
  --muted:#5A6B78;
  --faint:#8A99A6;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-panel:18px;
  --shadow-card:0 8px 24px rgba(13,92,138,.08);
  --shadow-hover:0 14px 34px rgba(13,92,138,.14);
  --section-gap:clamp(64px,8vw,112px);
  --font-cn:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow","Barlow Semi Condensed",var(--font-cn);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700;color:var(--text)}
p{margin:0 0 16px}
ul{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(13,92,138,.2);outline-offset:2px}
.num,.stat-num,.meta-num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){
  .container{max-width:1280px}
}
@media (max-width:520px){
  .container{padding:0 16px}
}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(13,92,138,.08)}
.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:28px;
  height:76px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:800;
  font-size:19px;
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand:hover{color:var(--primary)}
.brand-mark{
  position:relative;
  width:32px;
  height:32px;
  flex:none;
  border-radius:9px;
  background:linear-gradient(135deg,#0D5C8A,#1487bd);
  box-shadow:0 6px 14px rgba(13,92,138,.24);
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:9px 6px 7px;
  border:2px solid rgba(255,255,255,.92);
  border-radius:4px 4px 12px 12px;
  border-top-color:rgba(255,255,255,.45);
}
.brand-text span{color:var(--primary)}

.main-nav ul{
  display:flex;
  align-items:center;
  gap:6px;
  list-style:none;
}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  border-radius:8px;
  color:var(--text);
  font-size:15px;
  font-weight:500;
}
.main-nav a:hover{background:var(--primary-light);color:var(--primary)}
.main-nav a.is-active{color:var(--primary);font-weight:700}
.main-nav a.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:3px;
  border-radius:2px;
  background:var(--accent);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}

/* Mega 面板 */
.mega-wrap{position:relative}
.mega-toggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 18px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:#fff;
  color:var(--primary);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:all .22s;
}
.mega-toggle:hover{border-color:var(--primary);background:var(--primary-light)}
.mega-toggle i{font-size:12px;transition:transform .25s}
.mega-wrap.is-open .mega-toggle i{transform:rotate(180deg)}
.mega-wrap.is-open .mega-toggle{border-color:var(--primary);background:var(--primary-light)}

.mega-panel{
  position:absolute;
  top:calc(100% + 16px);
  right:0;
  width:760px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  box-shadow:0 18px 44px rgba(13,92,138,.16);
  padding:0 0 24px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  z-index:1040;
}
.mega-panel::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  border-radius:var(--radius-panel) var(--radius-panel) 0 0;
  background:var(--primary);
}
.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
@media (min-width:992px){
  .mega-wrap:hover .mega-panel,
  .mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
}
.mega-body{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  padding:24px 6px 0;
}
.mega-col{padding:0 16px}
.mega-col + .mega-col{border-left:1px solid var(--line)}
.mega-col h5{
  font-size:12.5px;
  letter-spacing:1.4px;
  color:var(--faint);
  font-weight:600;
  margin:0 0 14px;
}
.mega-list{list-style:none;display:grid;gap:4px}
.mega-list a{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:9px 10px;
  border-radius:8px;
  color:var(--text);
  font-size:14.5px;
  line-height:1.5;
}
.mega-list a:hover{background:var(--primary-light);color:var(--primary)}
.mega-icon{
  flex:none;
  width:28px;
  height:28px;
  border-radius:8px;
  background:var(--primary-light);
  color:var(--primary);
  display:grid;
  place-items:center;
  font-size:12.5px;
}
.mega-list a:hover .mega-icon{background:#fff}
.mega-time{display:block;font-family:var(--font-num);font-size:12.5px;color:var(--faint);font-variant-numeric:tabular-nums;margin-top:2px}
.mega-card{
  display:block;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  background:#fff;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s;
}
.mega-card img{width:100%;height:116px;object-fit:cover;border-radius:0}
.mega-card-body{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:13px 15px;
  font-size:14.5px;
  font-weight:600;
  color:var(--text);
}
.mega-card-body i{color:var(--primary);font-size:12px;transition:transform .2s}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);border-color:#cfe3ef}
.mega-card:hover .mega-card-body i{transform:translateX(3px)}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:#fff;
  color:var(--primary);
  font-size:18px;
  cursor:pointer;
}
.nav-toggle:hover{background:var(--primary-light)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:all .22s ease;
}
.btn:focus-visible{outline:3px solid rgba(13,92,138,.2);outline-offset:2px}
.btn-main{background:var(--primary);color:#fff}
.btn-main:hover{background:#0b5077;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(13,92,138,.24)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#d9611f;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(233,113,50,.28)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary)}
.btn-sm{height:42px;padding:0 18px;font-size:14.5px}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--primary);
  font-weight:600;
  font-size:15px;
}
.link-arrow i{font-size:12px;transition:transform .2s}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover i{transform:translateX(3px)}

/* ============ 内页横幅 ============ */
.page-banner{
  position:relative;
  overflow:hidden;
  color:#fff;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center 30%;
}
.page-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(102deg,rgba(8,58,90,.94) 0%,rgba(13,92,138,.86) 48%,rgba(13,92,138,.62) 100%);
}
.page-banner::after{
  content:"";
  position:absolute;
  right:-90px;
  bottom:-190px;
  width:440px;
  height:440px;
  border-radius:50%;
  border:38px solid rgba(255,255,255,.06);
  z-index:1;
}
.page-banner .container{position:relative;z-index:2;padding-top:52px}
.breadcrumb-nav{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:24px;
}
.breadcrumb-nav a{color:rgba(255,255,255,.82)}
.breadcrumb-nav a:hover{color:#fff}
.breadcrumb-nav .sep{color:rgba(255,255,255,.45)}
.breadcrumb-nav .current{color:#fff;font-weight:600}
.page-banner h1{
  color:#fff;
  font-size:clamp(30px,4vw,48px);
  font-weight:800;
  letter-spacing:.5px;
  margin-bottom:20px;
}
.page-banner .banner-lead{
  max-width:760px;
  font-size:16.5px;
  line-height:1.9;
  color:rgba(255,255,255,.86);
  margin:0;
}
.quick-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:32px 0 34px;
}
.quick-bar a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:var(--radius-btn);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);
  color:#fff;
  font-size:14px;
  transition:all .22s;
}
.quick-bar a:hover{background:#fff;color:var(--primary);border-color:#fff}
.quick-bar a i{font-size:11px;opacity:.8}

/* ============ 主体两栏 ============ */
.content-layout{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:48px;
  padding:var(--section-gap) 0 0;
}
.toc{position:sticky;top:108px;align-self:start}
.toc-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:22px 18px;
}
.toc-card h3{
  font-size:12.5px;
  letter-spacing:1.4px;
  color:var(--faint);
  font-weight:600;
  margin:0 0 14px;
  padding-left:12px;
}
.toc-list{list-style:none;display:grid;gap:2px}
.toc-list a{
  display:block;
  padding:10px 12px;
  border-radius:8px;
  border-left:2px solid transparent;
  color:var(--muted);
  font-size:14.5px;
  transition:all .2s;
}
.toc-list a:hover{
  background:var(--primary-light);
  color:var(--primary);
  border-left-color:var(--accent);
}
.toc-contact{
  margin-top:20px;
  padding:20px 18px;
  border-radius:12px;
  background:var(--primary-light);
  border:1px solid #cfe3ef;
}
.toc-contact h4{font-size:15px;margin-bottom:8px}
.toc-contact p{font-size:13.5px;color:var(--muted);margin:0 0 14px;line-height:1.7}
.toc-contact .num{display:block;font-size:20px;font-weight:700;color:var(--accent);margin-bottom:14px}

.doc-section{scroll-margin-top:112px}
.doc-section + .doc-section{margin-top:76px}
.section-head{margin-bottom:28px}
.section-head h2{
  position:relative;
  padding-left:18px;
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  margin-bottom:12px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:7px;
  bottom:7px;
  width:4px;
  border-radius:2px;
  background:var(--primary);
}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;max-width:760px}

/* 服务条目 */
.service-item{
  display:grid;
  grid-template-columns:48px minmax(0,1fr);
  gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:26px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s;
}
.service-item + .service-item{margin-top:16px}
.service-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:#cfe3ef;
}
.service-icon{
  width:48px;
  height:48px;
  border-radius:12px;
  background:var(--primary);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:18px;
  transition:background .25s;
}
.service-item:hover .service-icon{background:var(--accent)}
.service-item h3{font-size:20px;margin-bottom:8px}
.service-item p{color:var(--muted);font-size:15.5px;margin:0 0 14px}
.spec-points{display:flex;flex-wrap:wrap;gap:8px;list-style:none}
.spec-points li{
  font-size:13px;
  padding:5px 12px;
  border-radius:6px;
  background:var(--primary-light);
  color:var(--primary);
  font-weight:500;
}
.spec-points li b{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700}

/* 对比规格卡 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  box-shadow:var(--shadow-card);
  padding:30px 28px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.compare-card.is-featured{border-color:var(--primary)}
.compare-card.is-featured::before{
  content:"";
  position:absolute;
  left:0;
  top:16px;
  bottom:16px;
  width:4px;
  border-radius:0 3px 3px 0;
  background:var(--accent);
}
.compare-tag{
  display:inline-block;
  font-size:12.5px;
  padding:4px 10px;
  border-radius:6px;
  background:var(--primary-light);
  color:var(--primary);
  margin-bottom:14px;
}
.compare-card.is-featured .compare-tag{background:rgba(233,113,50,.12);color:var(--accent)}
.compare-card h3{font-size:22px;margin-bottom:10px}
.compare-card .compare-desc{color:var(--muted);font-size:14.5px;margin-bottom:20px}
.compare-rows{list-style:none;border-top:1px solid var(--line)}
.compare-rows li{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:13px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
}
.compare-rows li:last-child{border-bottom:none}
.compare-rows .k{color:var(--muted)}
.compare-rows .v{color:var(--text);font-weight:600;text-align:right}
.compare-rows .v.num{color:var(--primary);font-variant-numeric:tabular-nums}
.compare-card .btn{width:100%;margin-top:22px}

/* 配图区 */
.gallery-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:20px;
  align-items:stretch;
}
.gallery-item{
  position:relative;
  margin:0;
  border-radius:var(--radius-img);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  min-height:180px;
  background:#0b3d5c;
}
.gallery-item img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .6s ease}
.gallery-item:hover img{transform:scale(1.05)}
.gallery-cap{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:34px 20px 16px;
  background:linear-gradient(transparent,rgba(8,58,90,.9));
  color:#fff;
  font-size:14px;
  line-height:1.6;
}
.gallery-cap b{display:block;font-size:15.5px;margin-bottom:2px}
.gallery-side{display:grid;grid-template-rows:1fr 1fr;gap:20px}

/* 执行流程 */
.steps{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  box-shadow:var(--shadow-card);
  padding:32px 8px 30px;
}
.step{position:relative;padding:0 20px}
.step::after{
  content:"";
  position:absolute;
  top:17px;
  left:44px;
  right:-8px;
  height:2px;
  background:var(--line);
}
.step:last-child::after{display:none}
.step-num{
  position:relative;
  z-index:2;
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--primary);
  color:#fff;
  display:grid;
  place-items:center;
  font-family:var(--font-num);
  font-weight:600;
  font-size:15px;
  font-variant-numeric:tabular-nums;
}
.step h4{font-size:16.5px;margin:18px 0 8px}
.step p{font-size:13.8px;color:var(--muted);margin:0;line-height:1.72}

/* CTA 带 */
.cta-band{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  margin-top:76px;
  padding:40px 42px;
  border-radius:var(--radius-panel);
  background:var(--primary-light);
  border:1px solid #cfe3ef;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-70px;
  top:-70px;
  width:230px;
  height:230px;
  border-radius:50%;
  border:26px solid rgba(13,92,138,.07);
}
.cta-band-text{position:relative;z-index:2;max-width:620px}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{margin:0;color:var(--muted);font-size:15.5px}
.cta-band-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* FAQ */
.faq-block{margin-top:76px}
.faq-accordion .accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  margin-bottom:14px;
  box-shadow:var(--shadow-card);
}
.faq-accordion .accordion-button{
  position:relative;
  background:#fff;
  color:var(--text);
  font-size:17px;
  font-weight:600;
  padding:22px 58px 22px 26px;
  border:0;
  border-radius:0;
  box-shadow:none;
  width:100%;
  text-align:left;
}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(13,92,138,.2);z-index:3}
.faq-accordion .accordion-button::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:4px;
  background:var(--primary);
  transform:scaleY(0);
  transition:transform .25s ease;
}
.faq-accordion .accordion-button::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  background-image:none;
  position:absolute;
  right:26px;
  top:50%;
  width:auto;
  height:auto;
  margin:0;
  transform:translateY(-50%);
  color:var(--primary);
  font-size:13px;
  transition:transform .25s ease;
}
.faq-accordion .accordion-button:hover{background:var(--primary-light)}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--primary);
  background:var(--primary-light);
  box-shadow:inset 0 -1px 0 var(--line);
}
.faq-accordion .accordion-button:not(.collapsed)::before{transform:scaleY(1)}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(180deg)}
.faq-accordion .accordion-body{
  padding:20px 26px 24px;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
  background:#fff;
}
.faq-accordion .accordion-body p:last-child{margin-bottom:0}

/* 页脚 */
.site-footer{
  background:var(--primary-dark);
  color:#dce9f2;
  margin-top:var(--section-gap);
  padding-top:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:52px;
}
.footer-brand .brand{color:#fff;font-size:20px}
.footer-brand .brand:hover{color:#fff}
.footer-brand .brand-text span{color:#8fd0f0}
.footer-brand p{
  margin:18px 0 20px;
  color:#a9c4d6;
  font-size:14.5px;
  line-height:1.85;
  max-width:360px;
}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  font-size:12.5px;
  padding:4px 10px;
  border-radius:6px;
  background:rgba(255,255,255,.1);
  color:#cfe3ef;
}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:18px}
.footer-col ul{list-style:none;display:grid;gap:12px}
.footer-col a{color:#a9c4d6;font-size:14.5px}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:#a9c4d6;font-size:14.5px;line-height:1.6}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px;flex:none}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;
  color:#8aa8bd;
}
.footer-bottom .num{font-variant-numeric:tabular-nums}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .content-layout{grid-template-columns:228px minmax(0,1fr);gap:32px}
  .steps{grid-template-columns:repeat(5,minmax(0,1fr))}
  .step{padding:0 14px}
  .step::after{left:38px}
}
@media (max-width:991px){
  .header-inner{height:68px;gap:16px}
  .nav-toggle{display:grid;place-items:center}
  .header-cta{display:none}
  .main-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 14px 30px rgba(13,92,138,.12);
    padding:12px 8px 20px;
  }
  .main-nav.is-open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .main-nav a{padding:14px 12px;font-size:16px}
  .main-nav a.is-active::after{left:12px;right:auto;width:24px;bottom:7px}
  .mega-wrap{position:static}
  .mega-panel{
    left:0;
    right:0;
    width:auto;
    max-height:72vh;
    overflow-y:auto;
    top:calc(100% + 12px);
  }
  .mega-body{grid-template-columns:1fr;padding:20px 8px 0}
  .mega-col{padding:0 14px}
  .mega-col + .mega-col{
    border-left:0;
    border-top:1px solid var(--line);
    margin-top:16px;
    padding-top:18px;
  }
  .content-layout{grid-template-columns:1fr;gap:32px}
  .toc{position:static}
  .toc-list{grid-template-columns:1fr 1fr;display:grid;gap:4px}
  .compare-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr;gap:26px 0;padding:28px 12px}
  .step::after{display:none}
  .gallery-grid{grid-template-columns:1fr}
  .gallery-side{grid-template-rows:none;grid-template-columns:1fr 1fr}
  .gallery-item{min-height:220px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .page-banner .container{padding-top:36px}
  .page-banner .banner-lead{font-size:15.5px}
  .quick-bar{padding:24px 0 26px}
  .service-item{padding:22px 20px;grid-template-columns:42px minmax(0,1fr);gap:14px}
  .service-icon{width:42px;height:42px;font-size:16px}
  .cta-band{padding:30px 24px}
  .cta-band-actions{width:100%}
  .cta-band-actions .btn{flex:1 1 auto}
  .footer-brand p{max-width:none}
}
@media (max-width:575px){
  .header-inner{height:64px}
  .brand{font-size:17px}
  .brand-mark{width:28px;height:28px}
  .mega-toggle{padding:0 12px;font-size:14px}
  .toc-list{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;padding:24px 20px}
  .gallery-side{grid-template-columns:1fr}
  .compare-card{padding:24px 20px}
  .compare-rows li{flex-direction:column;gap:4px}
  .compare-rows .v{text-align:left}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .doc-section + .doc-section{margin-top:56px}
  .faq-accordion .accordion-button{font-size:15.5px;padding:18px 50px 18px 20px}
  .faq-accordion .accordion-body{padding:16px 20px 20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --primary:#0D5C8A;
  --primary-dark:#083A5A;
  --primary-light:#E8F2F8;
  --accent:#E97132;
  --accent-dark:#cf5f22;
  --lime:#A8C93A;
  --bg:#F4F7FA;
  --card:#FFFFFF;
  --line:#E2EAF1;
  --text:#16242F;
  --text-2:#5A6B78;
  --text-3:#8A99A6;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-panel:18px;
  --shadow-sm:0 8px 24px rgba(13,92,138,.08);
  --shadow-md:0 14px 34px rgba(13,92,138,.14);
  --shadow-nav:0 6px 20px rgba(13,92,138,.08);
  --font-cn:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow","Barlow Semi Condensed","PingFang SC",sans-serif;
  --section:clamp(64px,8vw,112px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--accent);}
p a{text-decoration:underline;text-decoration-thickness:1px;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);line-height:1.3;}
h1{font-size:clamp(28px,4vw,46px);line-height:1.22;font-weight:800;letter-spacing:.5px;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.32;}
h3{font-size:clamp(19px,2vw,23px);line-height:1.4;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1280px;}}
:focus-visible{outline:3px solid rgba(13,92,138,.35);outline-offset:2px;border-radius:6px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.header-inner{
  display:flex;align-items:center;gap:28px;min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;position:relative;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
}
.brand-mark::after{
  content:"";position:absolute;left:6px;top:13px;width:18px;height:3px;
  background:var(--accent);border-radius:2px;
}
.brand-mark::before{
  content:"";position:absolute;left:6px;top:8px;width:12px;height:3px;
  background:rgba(255,255,255,.75);border-radius:2px;
}
.brand-text{font-size:20px;font-weight:800;color:var(--primary-dark);letter-spacing:.5px;}
.brand-text span{color:var(--accent);font-weight:700;font-size:15px;margin-left:2px;}
.main-nav{margin-left:8px;}
.main-nav > ul{display:flex;align-items:center;gap:6px;}
.main-nav > ul > li > a{
  display:inline-block;padding:10px 14px;border-radius:8px;
  font-size:15.5px;font-weight:600;color:var(--text-2);position:relative;
}
.main-nav > ul > li > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .22s ease;
}
.main-nav > ul > li > a:hover{color:var(--primary);background:var(--primary-light);}
.main-nav > ul > li > a:hover::after{transform:scaleX(1);}
.main-nav > ul > li > a.is-active{color:var(--primary);background:var(--primary-light);}
.main-nav > ul > li > a.is-active::after{transform:scaleX(1);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;
  border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
  color:var(--primary);font-size:14.5px;font-weight:600;cursor:pointer;
  transition:.22s ease;
}
.mega-trigger:hover{background:var(--primary-light);border-color:#cfe3ef;}
.mega-trigger i{font-size:12px;transition:transform .22s ease;}
.mega-trigger.is-open i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:760px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--shadow-md);padding:0 0 24px;overflow:hidden;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.mega-panel::before{
  content:"";display:block;height:3px;background:var(--primary);
}
.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{
  display:grid;grid-template-columns:1.1fr 1.2fr 1fr;gap:24px;padding:24px 26px 0;
}
.mega-title{
  font-size:13px;letter-spacing:1px;color:var(--text-3);font-weight:700;
  text-transform:uppercase;margin-bottom:14px;
}
.mega-list li + li{margin-top:10px;}
.mega-list a{display:flex;gap:10px;align-items:flex-start;color:var(--text-2);font-size:14.5px;line-height:1.55;}
.mega-list a:hover{color:var(--primary);}
.mega-list .ico{
  width:30px;height:30px;flex:0 0 30px;border-radius:8px;background:var(--primary-light);
  color:var(--primary);display:grid;place-items:center;font-size:13px;
}
.mega-list .t{display:block;font-weight:600;color:var(--text);}
.mega-list .d{display:block;font-size:12.5px;color:var(--text-3);}
.mega-list a:hover .t{color:var(--primary);}
.mega-news a{display:block;font-size:14px;color:var(--text);font-weight:600;line-height:1.5;}
.mega-news a:hover{color:var(--primary);}
.mega-news span{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px;font-family:var(--font-num);}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;background:#fff;transition:.24s ease;
}
.mega-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe3ef;}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mega-card .body{padding:12px 14px 14px;}
.mega-card .body strong{display:block;font-size:14.5px;color:var(--text);}
.mega-card .body em{
  display:inline-flex;align-items:center;gap:6px;font-style:normal;
  font-size:13px;color:var(--primary);margin-top:6px;font-weight:600;
}
.mega-card:hover .body em i{transform:translateX(3px);}
.mega-card .body em i{transition:transform .2s ease;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--primary);border-radius:2px;transition:.22s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-mobile-extra{display:none;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:#0b4f76;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(13,92,138,.25);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(233,113,50,.28);}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);color:var(--primary);transform:translateY(-1px);}
.btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn:focus-visible{outline:3px solid rgba(13,92,138,.35);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;
  font-weight:600;color:var(--primary);text-decoration:none;
}
.link-arrow i{transition:transform .2s ease;font-size:12px;}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- Breadcrumb ---------- */
.breadcrumb-bar{
  background:#fff;border-bottom:1px solid var(--line);
}
.breadcrumb-inner{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:14px 0;font-size:13px;color:var(--text-3);
}
.breadcrumb-inner a{color:var(--text-2);}
.breadcrumb-inner a:hover{color:var(--primary);}
.breadcrumb-inner .sep{color:#c6d3dd;}
.breadcrumb-inner .current{color:var(--primary);font-weight:600;}

/* ---------- Category Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,58,90,.92) 0%,rgba(13,92,138,.78) 52%,rgba(13,92,138,.5) 100%);
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:520px;height:520px;
  border-radius:50%;border:70px solid rgba(255,255,255,.06);
}
.cat-hero .inner{position:relative;z-index:2;padding:clamp(48px,7vw,84px) 0 clamp(44px,6vw,72px);max-width:820px;}
.cat-hero .tagline{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:6px;
  background:rgba(168,201,58,.22);border:1px solid rgba(168,201,58,.5);
  color:#e6f4c2;font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:20px;
}
.cat-hero .tagline i{color:var(--lime);}
.cat-hero h1{color:#fff;margin-bottom:18px;}
.cat-hero h1 em{font-style:normal;color:#ffd7bd;display:block;font-size:.62em;font-weight:600;margin-top:10px;letter-spacing:1px;opacity:.95;}
.cat-hero p.lead{
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.9);margin:0 0 28px;max-width:720px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-points{display:flex;flex-wrap:wrap;gap:26px;}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:rgba(255,255,255,.92);}
.hero-points li i{color:var(--lime);font-size:14px;}

/* ---------- Chapter bar ---------- */
.chapter-bar{
  position:sticky;top:72px;z-index:40;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:0 4px 14px rgba(13,92,138,.05);
}
.chapter-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;
}
.chapter-scroll::-webkit-scrollbar{display:none;}
.chapter-chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--text-2);font-size:14.5px;font-weight:600;
  white-space:nowrap;transition:.2s ease;
}
.chapter-chip i{font-size:13px;color:var(--primary);}
.chapter-chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);}

/* ---------- Sections ---------- */
.section{padding:var(--section) 0;}
.section-head{max-width:760px;margin-bottom:clamp(32px,4vw,52px);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:1.5px;color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--accent);}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}

/* ---------- Waterfall cards ---------- */
.waterfall{display:grid;grid-template-columns:1fr 1fr;gap:32px;}
.waterfall .col-b{margin-top:56px;}
.wf-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.wf-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe3ef;}
.wf-media{position:relative;overflow:hidden;}
.wf-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.wf-card:hover .wf-media img{transform:scale(1.04);}
.wf-media .badge-soft{
  position:absolute;left:16px;top:16px;background:rgba(255,255,255,.94);
  color:var(--primary);font-size:13px;font-weight:700;padding:5px 12px;border-radius:6px;
}
.wf-body{padding:24px 26px 26px;}
.wf-body h3{margin-bottom:12px;}
.wf-body > p{color:var(--text-2);font-size:15px;margin:0 0 16px;}
.wf-meta{display:flex;flex-wrap:wrap;gap:8px 20px;padding-top:16px;border-top:1px dashed var(--line);}
.wf-meta li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);}
.wf-meta li i{color:var(--lime);font-size:12px;}

/* ---------- Fold details / accordion ---------- */
.fold-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);
  padding:clamp(24px,3vw,40px);box-shadow:var(--shadow-sm);
}
.fold-list{border-top:1px solid var(--line);}
.fold-item{border-bottom:1px solid var(--line);}
.fold-head{
  width:100%;display:flex;align-items:flex-start;gap:16px;text-align:left;
  background:none;border:0;padding:22px 12px 22px 0;cursor:pointer;position:relative;
}
.fold-head::before{
  content:"";position:absolute;left:-16px;top:18px;bottom:18px;width:4px;border-radius:2px;
  background:var(--primary);opacity:0;transition:opacity .22s ease;
}
.fold-item.is-open .fold-head::before{opacity:1;}
.fold-head .idx{
  font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--lime);
  min-width:32px;padding-top:2px;
}
.fold-head .q{flex:1;font-size:17px;font-weight:600;color:var(--text);line-height:1.55;transition:color .2s ease;}
.fold-head:hover .q{color:var(--primary);}
.fold-item.is-open .fold-head .q{color:var(--primary);}
.fold-head .caret{
  flex:0 0 auto;width:28px;height:28px;border-radius:8px;background:var(--primary-light);
  color:var(--primary);display:grid;place-items:center;font-size:12px;
  transition:transform .25s ease,background .25s ease;
}
.fold-item.is-open .fold-head .caret{transform:rotate(180deg);background:var(--primary);color:#fff;}
.fold-body{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.fold-body-inner{padding:0 0 24px 48px;color:var(--text-2);font-size:15.5px;}
.fold-body-inner p{margin:0 0 10px;}
.fold-body-inner ul{margin-top:8px;}
.fold-body-inner li{
  position:relative;padding-left:20px;font-size:15px;color:var(--text-2);margin-bottom:6px;
}
.fold-body-inner li::before{
  content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--lime);
}

/* ---------- Data band ---------- */
.data-band{
  position:relative;color:#fff;overflow:hidden;
  background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.data-band::before{
  content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(8,58,90,.95) 0%,rgba(8,58,90,.86) 60%,rgba(13,92,138,.78) 100%);
}
.data-band .container{position:relative;z-index:2;}
.band-grid{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center;
  padding:clamp(48px,6vw,76px) 0;
}
.band-copy .eyebrow{color:#ffd0b4;}
.band-copy .eyebrow::before{background:var(--lime);}
.band-copy h2{color:#fff;margin-bottom:14px;}
.band-copy p{color:rgba(255,255,255,.82);font-size:15.5px;margin:0;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-card);padding:22px 20px;position:relative;
  transition:transform .24s ease,background .24s ease;
}
.stat-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.14);}
.stat-card .dot{
  position:absolute;left:20px;top:20px;width:8px;height:8px;border-radius:50%;background:var(--lime);
}
.stat-card .value{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;
  font-size:clamp(26px,3vw,38px);color:var(--accent);line-height:1.15;margin-top:14px;
}
.stat-card .value em{font-style:normal;font-size:.5em;margin-left:4px;color:rgba(255,255,255,.85);font-weight:600;}
.stat-card .label{margin-top:8px;font-size:14px;color:rgba(255,255,255,.86);line-height:1.6;}

/* ---------- Contact entry ---------- */
.contact-entry{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--shadow-sm);overflow:hidden;
  display:grid;grid-template-columns:1.15fr .85fr;
}
.contact-entry .left{padding:clamp(28px,3.4vw,44px);}
.contact-entry h2{margin-bottom:14px;}
.contact-entry .left > p{color:var(--text-2);font-size:15.5px;margin:0 0 24px;}
.contact-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.contact-facts{display:grid;grid-template-columns:1fr 1fr;gap:18px 24px;}
.contact-facts li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-2);}
.contact-facts li i{
  width:34px;height:34px;flex:0 0 34px;border-radius:9px;background:var(--primary-light);
  color:var(--primary);display:grid;place-items:center;font-size:14px;
}
.contact-facts strong{display:block;color:var(--text);font-size:15px;font-weight:600;}
.contact-entry .right{
  position:relative;min-height:320px;
  background:url("/assets/images/coverpic/cover-7.webp") center/cover no-repeat;
}
.contact-entry .right::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,58,90,.28),rgba(8,58,90,.72));
}
.contact-entry .right .cap{
  position:absolute;left:28px;right:28px;bottom:28px;z-index:2;color:#fff;
}
.contact-entry .right .cap strong{display:block;font-size:20px;margin-bottom:8px;}
.contact-entry .right .cap span{font-size:14px;color:rgba(255,255,255,.85);line-height:1.6;}

/* ---------- Footer ---------- */
.site-footer{background:var(--primary-dark);color:#fff;padding:clamp(48px,6vw,72px) 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);
}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-text span{color:#ffb98a;}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14.5px;margin:18px 0 20px;max-width:400px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  font-size:13px;padding:5px 12px;border-radius:6px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.88);
}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.footer-col ul li + li{margin-top:11px;}
.footer-col a{color:rgba(255,255,255,.76);font-size:14.5px;}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.76);font-size:14.5px;}
.footer-contact li i{color:var(--lime);margin-top:4px;font-size:14px;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom .num{color:rgba(255,255,255,.75);letter-spacing:.4px;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .mega-panel{width:680px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .nav-toggle{display:flex;}
  .mega-wrap{display:none;}
  .main-nav{
    position:fixed;left:0;right:0;top:72px;margin:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-nav);
    padding:8px 20px 24px;max-height:calc(100vh - 72px);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .main-nav > ul{flex-direction:column;align-items:stretch;gap:0;}
  .main-nav > ul > li > a{
    display:block;padding:15px 4px;border-bottom:1px dashed var(--line);
    border-radius:0;font-size:16px;
  }
  .main-nav > ul > li > a::after{display:none;}
  .main-nav > ul > li > a.is-active{background:transparent;color:var(--primary);}
  .nav-mobile-extra{display:block;margin-top:22px;}
  .nav-group-title{
    font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--text-3);
    margin:0 0 12px;text-transform:uppercase;
  }
  .nav-mobile-extra ul{margin-bottom:22px;}
  .nav-mobile-extra ul li + li{margin-top:10px;}
  .nav-mobile-extra ul a{color:var(--text-2);font-size:15px;display:block;padding:4px 0;}
  .nav-mobile-extra ul a:hover{color:var(--primary);}
  .nav-mobile-extra ul .date{display:block;font-size:12.5px;color:var(--text-3);font-family:var(--font-num);}
  .chapter-bar{top:72px;}
  .waterfall{grid-template-columns:1fr;gap:24px;}
  .waterfall .col-b{margin-top:0;}
  .band-grid{grid-template-columns:1fr;gap:34px;}
  .contact-entry{grid-template-columns:1fr;}
  .contact-entry .right{min-height:240px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767.98px){
  .container{padding:0 18px;}
  .header-inner{min-height:64px;gap:14px;}
  .brand-text{font-size:18px;}
  .main-nav{top:64px;max-height:calc(100vh - 64px);}
  .chapter-bar{top:64px;}
  .cat-hero .inner{padding:44px 0 46px;}
  .cat-hero p.lead{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:14px 22px;}
  .contact-facts{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519.98px){
  .container{padding:0 16px;}
  .stat-grid{grid-template-columns:1fr;}
  .wf-body{padding:20px 20px 22px;}
  .fold-head .q{font-size:16px;}
  .fold-body-inner{padding-left:0;}
  .fold-head::before{left:-10px;}
  .btn{height:46px;font-size:15px;padding:0 20px;}
}