/* roulang page: index */
:root{
  --brand:#2255E0;
  --brand-dark:#1A43B8;
  --brand-light:#E8EEFF;
  --accent:#FF7A2F;
  --accent-light:#FFF1E7;
  --mint:#17BFA8;
  --ink:#0F1B33;
  --text:#4A5568;
  --muted:#7C8798;
  --line:#E7EBF3;
  --bg:#F4F6FB;
  --card:#FFFFFF;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-2xl:24px;
  --r-pill:999px;
  --sh-1:0 6px 24px rgba(15,27,51,.06);
  --sh-2:0 14px 36px rgba(15,27,51,.10);
  --sh-3:0 8px 30px rgba(15,27,51,.08);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  padding-top:16px;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;letter-spacing:-.02em;font-weight:700;}
h1{font-size:44px;font-weight:700;}
h2{font-size:32px;}
h3{font-size:20px;font-weight:600;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
.num,.stat-num,.float-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:1248px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:50;}
.dock{
  position:relative;
  width:min(1140px,calc(100% - 48px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-3);
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:30px;height:30px;flex-shrink:0;}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.02em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  font-size:15px;font-weight:500;color:var(--text);
  padding:8px 16px;border-radius:var(--r-pill);
  transition:background .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.nav-links a:hover{background:rgba(34,85,224,.08);color:var(--brand);}
.nav-links a.active{background:var(--brand-light);color:var(--brand);font-weight:600;}
.dock-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);transition:background .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{background:#EEF1F8;color:var(--brand);}
.btn-dock{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 22px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  transition:background .22s var(--ease),transform .22s var(--ease);
  white-space:nowrap;
}
.btn-dock:hover{background:var(--brand-dark);transform:translateY(-2px);}
.btn-dock:active{transform:translateY(0);}

.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);
  align-items:center;justify-content:center;color:var(--ink);
  transition:background .2s var(--ease);
}
.nav-toggle:hover{background:#EEF1F8;}

.mobile-panel{
  position:absolute;top:calc(100% + 12px);left:0;right:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-2);padding:8px 16px 20px;
  display:none;
}
.mobile-panel.open{display:block;}
.mobile-panel a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  height:44px;font-size:15px;font-weight:500;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.m-link.active{color:var(--brand);font-weight:600;}
.mobile-panel .m-foot{padding-top:16px;display:flex;flex-direction:column;gap:12px;}
.mobile-panel .m-search{
  display:flex;align-items:center;gap:8px;height:44px;
  border:1px solid var(--line);border-radius:var(--r-pill);padding:0 16px;
  color:var(--muted);font-size:14px;background:#FAFBFE;
}
.mobile-panel .btn-dock{width:100%;padding:13px 22px;font-size:15px;}
.mask{
  position:fixed;inset:0;background:rgba(15,27,51,.32);
  z-index:40;display:none;
}
.mask.open{display:block;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(34,85,224,.24);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn[disabled]{opacity:.4;pointer-events:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
  transition:color .2s var(--ease);
}
.link-more svg{transition:transform .22s var(--ease);}
.link-more:hover svg{transform:translateX(4px);}

.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;
  background:var(--brand-light);color:var(--brand);
  white-space:nowrap;
}
.tag-accent{background:var(--accent-light);color:#C85615;}
.tag-mint{background:rgba(23,191,168,.12);color:#0E8C7C;}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  letter-spacing:.08em;margin-bottom:10px;
}
.section-head p{margin-top:12px;font-size:16px;color:var(--muted);max-width:620px;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:56px 0 96px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:-220px;right:-180px;width:700px;height:700px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(34,85,224,.10) 0%,rgba(34,85,224,0) 68%);
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:58fr 42fr;
  gap:56px;align-items:center;min-height:560px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--brand);box-shadow:var(--sh-1);
  margin-bottom:22px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);}
.hero h1{font-size:44px;line-height:1.22;margin-bottom:20px;}
.hero h1 .hl{color:var(--brand);}
.hero-sub{font-size:18px;line-height:1.8;color:var(--text);max-width:520px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.trust-row{display:flex;align-items:center;flex-wrap:wrap;gap:0;}
.trust-item{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:500;color:var(--ink);
  padding:0 18px;
}
.trust-item:first-child{padding-left:0;}
.trust-item + .trust-item{border-left:1px solid var(--line);}
.trust-item .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);}
.trust-item:nth-child(2) .dot{background:var(--accent);}
.trust-item:nth-child(3) .dot{background:var(--mint);}

.hero-visual{position:relative;}
.hero-image{
  border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-2);background:#fff;
}
.hero-image img{width:100%;height:420px;object-fit:cover;}
.float-card{
  position:absolute;background:#fff;border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:14px 18px;min-width:132px;
  border:1px solid var(--line);
}
.float-card .float-num{display:block;font-size:24px;font-weight:800;color:var(--brand);line-height:1.2;}
.float-card .float-label{display:block;font-size:13px;color:var(--muted);margin-top:2px;}
.float-a{left:-26px;bottom:56px;}
.float-b{right:-18px;top:48px;}
.float-b .float-num{color:var(--accent);}

/* ---------- 平台服务 ---------- */
.services-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.services-sticky{position:sticky;top:120px;}
.services-sticky h2{margin-bottom:16px;}
.services-sticky p{font-size:15px;color:var(--muted);margin-bottom:20px;}
.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.service-card{
  display:flex;flex-direction:column;justify-content:space-between;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);min-height:210px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(34,85,224,.3);}
.service-card:hover .svc-icon{background:var(--brand-light);}
.svc-icon{
  width:44px;height:44px;border-radius:var(--r-md);
  display:flex;align-items:center;justify-content:center;
  background:#F1F4FB;color:var(--brand);margin-bottom:16px;
  transition:background .25s var(--ease);
}
.svc-icon.accent{color:var(--accent);}
.service-card:hover .svc-icon.accent{background:var(--accent-light);}
.service-card .tag{margin-bottom:12px;align-self:flex-start;}
.service-card h3{margin-bottom:10px;}
.service-card p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:18px;}
.svc-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.svc-link svg{transition:transform .22s var(--ease);}
.service-card:hover .svc-link svg{transform:translateX(4px);}

/* ---------- 数据色带 ---------- */
.stat-band{
  background:var(--brand);border-radius:var(--r-2xl);
  padding:52px 40px;display:grid;grid-template-columns:repeat(4,1fr);
  color:#fff;
}
.stat-item{text-align:center;padding:0 12px;border-right:1px solid rgba(255,255,255,.2);}
.stat-item:last-child{border-right:none;}
.stat-num{font-size:40px;font-weight:800;line-height:1.15;letter-spacing:-.02em;}
.stat-num .unit{font-size:16px;font-weight:600;margin-left:2px;}
.stat-label{font-size:14px;color:rgba(255,255,255,.8);margin-top:8px;}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.case-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(34,85,224,.3);}
.case-card:hover .case-media img{transform:scale(1.03);}
.case-card:hover .case-media::after{opacity:1;}
.case-a{grid-column:span 7;}
.case-b{grid-column:span 5;}
.case-c{grid-column:span 6;}
.case-d{grid-column:span 6;}
.case-media{position:relative;overflow:hidden;background:#EDF1F7;}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.case-media::after{
  content:"";position:absolute;inset:0;background:rgba(15,27,51,.12);
  opacity:0;transition:opacity .3s var(--ease);
}
.case-a .case-media{height:300px;}
.case-b .case-media{height:300px;}
.case-c .case-media,.case-d .case-media{height:190px;}
.case-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.case-body h3{font-size:19px;}
.case-body p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- 解决方案 ---------- */
.solution-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:48px 0;border-top:1px solid var(--line);
}
.solution-row:first-of-type{border-top:0;padding-top:0;}
.solution-row.reverse .solution-media{order:2;}
.solution-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.solution-media img{width:100%;height:290px;object-fit:cover;}
.solution-index{font-size:34px;font-weight:800;color:var(--accent);line-height:1;margin-bottom:14px;letter-spacing:-.02em;}
.solution-body h3{font-size:24px;margin-bottom:14px;}
.solution-points{margin:20px 0 24px;display:flex;flex-direction:column;gap:12px;}
.solution-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text);}
.solution-points li .pt{width:7px;height:7px;border-radius:50%;background:var(--brand);flex-shrink:0;margin-top:10px;}

/* ---------- 最新信息 ---------- */
.news-layout{display:grid;grid-template-columns:5fr 7fr;gap:32px;}
.news-feature{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(34,85,224,.3);}
.news-feature-media{height:220px;overflow:hidden;background:#EDF1F7;}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.news-feature:hover .news-feature-media img{transform:scale(1.03);}
.news-feature-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-feature-body h3{font-size:20px;line-height:1.45;}
.news-feature-body p{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--muted);}
.news-list{display:flex;flex-direction:column;}
.news-item{
  display:flex;align-items:center;gap:14px;
  padding:18px 0;border-bottom:1px solid var(--line);
  transition:transform .2s var(--ease);
}
.news-item:first-child{padding-top:0;}
.news-item:hover{transform:translateX(2px);}
.news-item:hover .news-item-title{color:var(--brand);}
.news-item-title{
  font-size:15px;font-weight:500;color:var(--ink);line-height:1.6;
  transition:color .2s var(--ease);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;
}
.news-item-date{font-size:13px;color:var(--muted);flex-shrink:0;}
.news-dash{flex-shrink:0;color:#D7DEEA;letter-spacing:-1px;}

.empty-state{
  text-align:center;padding:56px 24px;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state svg{color:#C8D2E2;margin:0 auto 16px;}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:20px;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-aside{position:sticky;top:120px;}
.faq-aside h2{margin-bottom:16px;}
.faq-aside p{font-size:15px;color:var(--muted);margin-bottom:22px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item.open{border-color:rgba(34,85,224,.3);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:16px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-icon{
  width:20px;height:20px;flex-shrink:0;color:var(--brand);
  transition:transform .3s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .35s var(--ease);
}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text);}
.faq-a-inner a{color:var(--brand);border-bottom:1px solid rgba(34,85,224,.35);}

/* ---------- 联系 ---------- */
.contact-layout{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.contact-info h2{margin-bottom:16px;}
.contact-info > p{font-size:15px;color:var(--muted);margin-bottom:28px;max-width:420px;}
.contact-cards{display:flex;flex-direction:column;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:8px 24px;box-shadow:var(--sh-1);}
.contact-row{display:flex;align-items:center;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);}
.contact-row:last-child{border-bottom:none;}
.contact-row svg{color:var(--brand);flex-shrink:0;}
.contact-row .c-label{font-size:13px;color:var(--muted);display:block;line-height:1.4;}
.contact-row .c-value{font-size:15px;color:var(--ink);font-weight:500;line-height:1.5;word-break:break-all;}

.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-1);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:500;color:var(--ink);margin-bottom:8px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-md);
  background:#FAFBFE;padding:0 16px;font-size:15px;color:var(--ink);
  transition:border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.field input,.field select{height:48px;}
.field textarea{height:110px;padding:14px 16px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:var(--brand-light);
  box-shadow:0 0 0 3px rgba(34,85,224,.12);
}
.field.error input,.field.error select,.field.error textarea{border-color:#E23D3D;background:#FFF6F6;}
.field .err-msg{display:none;font-size:12px;color:#E23D3D;margin-top:6px;}
.field.error .err-msg{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 22px;font-size:13px;color:var(--muted);line-height:1.7;}
.check-row input{width:16px;height:16px;margin-top:5px;accent-color:var(--brand);flex-shrink:0;}
.check-row a{color:var(--brand);}
.form-success{
  display:none;align-items:center;gap:10px;
  background:rgba(23,191,168,.12);color:#0E8C7C;
  border-radius:var(--r-md);padding:12px 16px;font-size:14px;margin-bottom:18px;
}
.form-success.show{display:flex;}
.btn-submit{width:100%;}
.spinner{
  width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.4);border-top-color:#fff;
  animation:spin .7s linear infinite;display:none;
}
.btn-submit.loading .spinner{display:inline-block;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:72px 0 0;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.9;margin:18px 0 20px;max-width:280px;}
.social-row{display:flex;gap:10px;}
.social-row span{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.75);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.social-row span:hover{background:var(--brand);color:#fff;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:0;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col .f-text{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-links{display:flex;flex-wrap:wrap;gap:20px;}
.footer-links a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1140px;}
  h1{font-size:40px;}
  .hero h1{font-size:40px;}
}
@media (max-width:1023px){
  .nav-links,.dock-cta .btn-dock{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .dock{padding:8px 10px 8px 16px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;min-height:auto;}
  .hero h1{font-size:36px;}
  .hero-image img{height:340px;}
  .float-a{left:12px;bottom:-20px;}
  .float-b{right:12px;top:-16px;}
  .services-layout,.faq-layout,.contact-layout{grid-template-columns:1fr;gap:36px;}
  .services-sticky,.faq-aside{position:static;}
  .news-layout{grid-template-columns:1fr;}
  .case-a,.case-b,.case-c,.case-d{grid-column:span 6;}
  .case-a .case-media,.case-b .case-media{height:220px;}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:32px 0;padding:40px 28px;}
  .stat-item:nth-child(2){border-right:none;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){padding-bottom:28px;}
  .stat-item:nth-child(3),.stat-item:nth-child(4){padding-top:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-brand{grid-column:span 2;text-align:center;}
  .footer-brand p{margin-left:auto;margin-right:auto;}
  .social-row{justify-content:center;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .hero{padding:32px 0 64px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;gap:12px;}
  .hero-actions .btn{width:100%;}
  .trust-item{padding:0 12px;font-size:13px;}
  .hero-image img{height:240px;}
  .float-card{padding:10px 14px;min-width:112px;}
  .float-num{font-size:20px;}
  .services-grid{grid-template-columns:1fr;gap:16px;}
  .service-card{min-height:auto;padding:20px;}
  .case-a,.case-b,.case-c,.case-d{grid-column:span 12;}
  .case-a .case-media,.case-b .case-media,.case-c .case-media,.case-d .case-media{height:190px;}
  .solution-row{grid-template-columns:1fr;gap:24px;padding:36px 0;}
  .solution-row.reverse .solution-media{order:0;}
  .solution-media img{height:200px;}
  .stat-num{font-size:32px;}
  .news-feature-media{height:180px;}
  .news-item{flex-wrap:wrap;gap:8px;}
  .news-item-title{white-space:normal;flex-basis:100%;order:2;}
  .news-item .news-dash{display:none;}
  .news-item .tag{order:1;}
  .news-item-date{order:1;margin-left:auto;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .faq-q{padding:14px 18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 18px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;text-align:left;}
  .footer-brand{grid-column:span 1;text-align:left;}
  .social-row{justify-content:flex-start;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:520px){
  .btn{width:100%;padding:13px 22px;}
  .hero-actions .btn{width:100%;}
  .trust-row{gap:0;flex-wrap:wrap;}
  .trust-item{padding:0 10px;}
  .stat-band{padding:32px 20px;gap:24px 0;}
  .stat-item{padding:0 6px;}
  .contact-cards{padding:8px 18px;}
}

/* roulang page: article */
:root{
  --primary:#2255E0;
  --primary-dark:#1A43B8;
  --primary-light:#E8EEFF;
  --accent:#FF7A2F;
  --accent-light:#FFF1E7;
  --mint:#17BFA8;
  --ink:#0F1B33;
  --text:#4A5568;
  --muted:#7C8798;
  --line:#E7EBF3;
  --bg:#F4F6FB;
  --card:#FFFFFF;
  --dark:#0F1B33;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 6px 24px rgba(15,27,51,.06);
  --sh-2:0 14px 36px rgba(15,27,51,.10);
  --sh-3:0 8px 30px rgba(15,27,51,.08);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;letter-spacing:-0.02em;font-weight:700}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:var(--r-xs)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 顶部 Dock 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:16px 0 10px;
  background:rgba(244,246,251,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.nav-dock{
  width:min(1140px,calc(100% - 48px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-3);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:28px;height:28px;flex:none}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-links a{
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  border-radius:var(--r-pill);
  white-space:nowrap;
}
.nav-links a:hover{background:rgba(34,85,224,.08);color:var(--primary)}
.nav-links a.active{background:var(--primary-light);color:var(--primary);font-weight:600}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--text);
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease;
}
.icon-btn:hover{background:#F1F4FA;color:var(--primary)}
.menu-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#fff;
  cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.menu-toggle span::before,
.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s ease;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.nav-mask{
  position:fixed;inset:0;
  background:rgba(15,27,51,.32);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:55;
}
.nav-mask.open{opacity:1;visibility:visible}
.mobile-panel{
  display:none;
  width:min(1140px,calc(100% - 48px));
  margin:10px auto 0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:12px 16px 18px;
}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:block;
  padding:12px 4px;
  font-size:16px;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.active{color:var(--primary);font-weight:600}
.mobile-panel .panel-search{
  display:flex;align-items:center;gap:8px;
  margin:14px 0 12px;
  padding:0 16px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#F8FAFD;
  color:var(--muted);
  font-size:14px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  font-size:15px;font-weight:600;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(34,85,224,.20)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);background:#153896}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:rgba(34,85,224,.08)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,27,51,.14)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}
.text-link{font-size:15px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.text-link svg{transition:transform .2s ease}
.text-link:hover svg{transform:translateX(4px)}

/* ============ 面包屑 ============ */
.breadcrumb-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.breadcrumb-inner{
  height:48px;
  display:flex;align-items:center;
  gap:10px;
  overflow-x:auto;
  white-space:nowrap;
  font-size:13px;
  color:var(--muted);
  scrollbar-width:none;
}
.breadcrumb-inner::-webkit-scrollbar{display:none}
.breadcrumb-inner a{color:var(--muted)}
.breadcrumb-inner a:hover{color:var(--primary)}
.breadcrumb-sep{color:#C6CEDD}
.breadcrumb-current{
  color:var(--ink);
  max-width:340px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ============ 文章主体 ============ */
.article-shell{
  max-width:760px;
  margin:0 auto;
  padding:48px 24px 0;
}
.article-head{padding-bottom:28px;border-bottom:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  font-size:13px;font-weight:600;
  border-radius:var(--r-pill);
  background:var(--primary-light);
  color:var(--primary);
}
.tag-mint{background:rgba(23,191,168,.12);color:#0E8E7E}
.article-head h1{
  margin-top:16px;
  font-size:32px;
  font-weight:700;
  line-height:1.35;
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-lead{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
}
.article-meta{
  margin-top:20px;
  display:flex;flex-wrap:wrap;align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--muted);
}
.article-meta .dot{width:1px;height:12px;background:var(--line);display:inline-block}
.article-body{
  padding:32px 0 8px;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
}
.article-body p{margin:0 0 20px}
.article-body h2{
  margin:48px 0 18px;
  padding-left:12px;
  border-left:4px solid var(--primary);
  font-size:24px;
  font-weight:700;
  color:var(--ink);
}
.article-body h3{margin:32px 0 14px;font-size:20px;font-weight:600;color:var(--ink)}
.article-body h4{margin:24px 0 12px;font-size:17px;font-weight:600;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body ul li{list-style:disc;margin-bottom:8px}
.article-body ol li{list-style:decimal;margin-bottom:8px}
.article-body ul li::marker{color:var(--primary)}
.article-body ol li::marker{color:var(--accent);font-weight:600}
.article-body img{margin:24px auto;border-radius:var(--r-sm)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;text-align:center;color:var(--muted);margin-top:8px}
.article-body blockquote{
  margin:24px 0;
  padding:20px;
  border-left:3px solid var(--accent);
  background:var(--bg);
  border-radius:0 12px 12px 0;
  color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{
  color:var(--primary);
  text-decoration:underline;
  text-decoration-color:rgba(34,85,224,.35);
  text-underline-offset:3px;
}
.article-body a:hover{text-decoration-color:var(--primary)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--primary-light);color:var(--ink);font-weight:600}
.article-body tr{height:44px}
.article-body code{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-xs);
  padding:2px 6px;
  font-size:14px;
  color:var(--primary-dark);
}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}

/* ============ 标签行 / 上下篇 ============ */
.article-foot{
  margin-top:32px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-soft{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  font-size:13px;color:var(--text);
  background:#F1F4FA;border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.tag-soft:hover{background:var(--primary-light);color:var(--primary);border-color:rgba(34,85,224,.3)}
.prevnext{
  margin-top:28px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.prevnext a{
  display:flex;align-items:center;gap:12px;
  padding:18px 20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.prevnext a:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(34,85,224,.3)}
.prevnext .pn-label{font-size:13px;color:var(--muted)}
.prevnext .pn-title{font-size:15px;font-weight:600;color:var(--ink);margin-top:2px}
.prevnext .pn-icon{
  width:36px;height:36px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  background:var(--primary-light);
  color:var(--primary);
}
.back-row{margin-top:24px}

/* ============ 相关推荐 ============ */
.related{
  padding:72px 0 0;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;
}
.section-head h2{font-size:26px}
.section-head p{margin-top:8px;font-size:15px;color:var(--muted)}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.related-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(34,85,224,.3)}
.related-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#EDF1F7}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.related-card:hover .thumb img{transform:scale(1.03)}
.related-card .body{padding:18px 20px 22px}
.related-card h3{margin-top:10px;font-size:17px;line-height:1.5}
.related-card .date{margin-top:10px;font-size:13px;color:var(--muted)}
.empty-state{
  padding:48px 24px;
  text-align:center;
  background:var(--card);
  border:1px dashed var(--line);
  border-radius:var(--r-md);
}
.empty-state .ill{
  width:80px;height:80px;margin:0 auto 16px;
  border-radius:var(--r-md);
  background:linear-gradient(135deg,#EDF1F7,#F7F9FC);
  display:flex;align-items:center;justify-content:center;
  color:#B9C3D4;
}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:18px}

/* ============ CTA 条 ============ */
.cta-band{padding:72px 0 88px}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:36px 40px;
  background:var(--primary);
  border-radius:var(--r-xl);
  box-shadow:0 18px 40px rgba(34,85,224,.22);
}
.cta-inner h2{color:#fff;font-size:22px}
.cta-inner p{margin-top:8px;font-size:13px;color:rgba(255,255,255,.82)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62)}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row span{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-pill);
  color:rgba(255,255,255,.7);
}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col ul li a:hover{color:#fff}
.footer-contact li{
  display:flex;gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.62);
  margin-bottom:12px;
}
.footer-contact svg{flex:none;margin-top:4px;color:var(--accent)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1140px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .menu-toggle{display:inline-flex}
  .nav-dock{padding:8px 12px 8px 16px}
  .nav-actions .btn{display:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-shell{padding-top:36px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .site-header{padding:12px 0 8px}
  .nav-dock{width:calc(100% - 32px);gap:10px}
  .mobile-panel{width:calc(100% - 32px)}
  .article-shell{padding:28px 20px 0}
  .article-head h1{font-size:24px}
  .article-body{font-size:15px;line-height:1.9}
  .article-body h2{font-size:20px;margin-top:36px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .prevnext{grid-template-columns:1fr}
  .related{padding-top:56px}
  .related-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-band{padding:56px 0 64px}
  .cta-inner{flex-direction:column;align-items:stretch;padding:28px 24px}
  .cta-inner .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;text-align:left}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .breadcrumb-current{max-width:180px}
}
@media (max-width:520px){
  .btn{width:100%}
  .prevnext a{padding:16px}
  .article-head h1{font-size:22px}
}

/* roulang page: category1 */
:root{
  --primary:#2255E0;
  --primary-dark:#1A43B8;
  --primary-light:#E8EEFF;
  --accent:#FF7A2F;
  --accent-light:#FFF1E7;
  --mint:#17BFA8;
  --ink:#0F1B33;
  --text:#4A5568;
  --muted:#7C8798;
  --line:#E7EBF3;
  --bg:#F4F6FB;
  --card:#FFFFFF;
  --dark:#0F1B33;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-2xl:24px;
  --r-pill:999px;
  --sh-sm:0 6px 24px rgba(15,27,51,.06);
  --sh-lg:0 14px 36px rgba(15,27,51,.10);
  --sh-dock:0 8px 30px rgba(15,27,51,.08);
  --pad-section:96px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;letter-spacing:-0.02em;}
h1{font-size:44px;font-weight:700;}
h2{font-size:32px;font-weight:700;}
h3{font-size:20px;font-weight:600;}
p{color:var(--text);}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:var(--primary-light);color:var(--primary-dark);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{
  position:sticky;
  top:16px;
  z-index:50;
  padding:0 24px;
}
.dock{
  width:min(1140px,100%);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{width:30px;height:30px;flex:none;}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  display:inline-block;
  padding:9px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  border-radius:var(--r-pill);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-links a:hover{background:var(--primary-light);color:var(--primary-dark);}
.nav-links a.active{background:var(--primary-light);color:var(--primary);font-weight:600;}
.dock-actions{display:flex;align-items:center;gap:8px;flex:none;}
.icon-btn{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;
  background:transparent;
  border-radius:var(--r-pill);
  color:var(--text);
  cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.icon-btn:hover{background:#EEF1F7;color:var(--primary);}
.menu-toggle{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  font-size:15px;font-weight:600;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(34,85,224,.22);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);background:var(--primary-dark);}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-light);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--primary);}
.btn-light:hover{background:#F2F5FF;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;transform:none;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--primary);
}
.btn-text svg{transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(4px);}

.mobile-panel{
  display:none;
  width:100%;
  max-width:720px;
  margin:10px auto 0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-2xl);
  box-shadow:var(--sh-lg);
  padding:10px 14px 18px;
}
.mobile-panel.open{display:block;}
.mobile-panel a.m-link{
  display:block;
  padding:12px 6px;
  font-size:16px;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.m-link.active{color:var(--primary);font-weight:600;}
.mobile-search{
  display:flex;align-items:center;gap:10px;
  margin:16px 0 12px;
  height:46px;
  padding:0 18px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#F8FAFF;
  color:var(--muted);
  font-size:14px;
}
.backdrop{
  display:none;
  position:fixed;inset:0;
  background:rgba(15,27,51,.32);
  z-index:40;
}
.backdrop.show{display:block;}

/* ============ 页面主区 ============ */
main{padding-top:28px;}
.section{padding:var(--pad-section) 0;}
.section-tight{padding:64px 0;}

/* 小 Hero */
.page-hero{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-2xl);
  padding:56px 56px 52px;
  background:
    radial-gradient(circle at 88% 18%, rgba(34,85,224,.10), transparent 58%),
    linear-gradient(135deg,#F4F6FB 0%,#EDF1FC 62%,#E8EEFF 100%);
  border:1px solid var(--line);
  min-height:220px;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-56px;bottom:-70px;
  width:230px;height:230px;
  border-radius:28px;
  background:linear-gradient(135deg,rgba(34,85,224,.14),rgba(255,122,47,.10));
  transform:rotate(14deg);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;max-width:720px;}
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{width:1px;height:12px;background:var(--line);display:inline-block;}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.page-hero h1{font-size:40px;margin-bottom:16px;}
.page-hero .lead{font-size:18px;line-height:1.8;color:var(--text);max-width:640px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  font-size:13px;font-weight:500;
  border-radius:var(--r-pill);
  background:var(--primary-light);color:var(--primary);
}
.tag-accent{background:var(--accent-light);color:#B84A0F;}
.tag-mint{background:rgba(23,191,168,.12);color:#0E8E7D;}

/* 板块标题 */
.section-head{max-width:720px;margin-bottom:48px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--primary);
  margin-bottom:12px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--text);}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:44px;
}
.section-head-row .section-head{margin-bottom:0;}

/* 服务网格 2×3 */
.service-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.service-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.service-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-lg);
  border-color:rgba(34,85,224,.3);
}
.service-icon{
  width:48px;height:48px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-md);
  background:var(--primary-light);
  color:var(--primary);
  margin-bottom:20px;
  transition:background .25s ease;
}
.service-card:hover .service-icon{background:#DCE6FF;}
.service-card.accent .service-icon{background:var(--accent-light);color:var(--accent);}
.service-card.accent:hover .service-icon{background:#FFE5D4;}
.service-card .tag{align-self:flex-start;margin-bottom:14px;}
.service-card h3{margin-bottom:10px;}
.service-card p{font-size:15px;line-height:1.8;margin-bottom:20px;}
.service-card .more{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.service-card .more svg{transition:transform .2s ease;}
.service-card:hover .more svg{transform:translateX(4px);}

/* 流程 */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.flow-step{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(34,85,224,.3);}
.flow-num{
  font-size:30px;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1;
  margin-bottom:16px;
}
.flow-step h3{font-size:18px;margin-bottom:10px;}
.flow-step p{font-size:15px;line-height:1.8;}

/* 图文区块 */
.split{
  display:grid;
  grid-template-columns:6fr 5fr;
  gap:56px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh-lg);
  border:1px solid var(--line);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split h2{margin-bottom:16px;}
.split p.intro{font-size:16px;margin-bottom:24px;}
.point-list li{
  display:flex;gap:12px;
  padding:12px 0;
  font-size:15px;
  border-bottom:1px dashed var(--line);
}
.point-list li:last-child{border-bottom:none;}
.point-list .dot{
  width:8px;height:8px;flex:none;
  margin-top:9px;
  border-radius:50%;
  background:var(--primary);
}
.point-list li strong{color:var(--ink);font-weight:600;}

/* 数据色带 */
.stat-band{
  border-radius:var(--r-2xl);
  background:var(--primary);
  padding:48px 40px;
  color:#fff;
  box-shadow:0 14px 36px rgba(34,85,224,.22);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat-item{
  padding:6px 28px;
  border-right:1px solid rgba(255,255,255,.2);
}
.stat-item:last-child{border-right:none;}
.stat-value{
  font-size:40px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;
  line-height:1.15;
  letter-spacing:-0.02em;
}
.stat-value .unit{font-size:16px;font-weight:600;margin-left:2px;}
.stat-label{font-size:14px;color:rgba(255,255,255,.8);margin-top:6px;}

/* FAQ */
.faq-layout{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:start;
}
.faq-aside{position:sticky;top:120px;}
.faq-aside h2{margin-bottom:14px;}
.faq-aside p{font-size:15px;margin-bottom:18px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(34,85,224,.3);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;
  padding:18px 24px;
  background:transparent;
  border:none;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;
}
.faq-icon{
  flex:none;
  width:20px;height:20px;
  color:var(--primary);
  transition:transform .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-item.open .faq-a{max-height:320px;}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text);
}
.faq-a-inner a{color:var(--primary);border-bottom:1px solid rgba(34,85,224,.35);}
.faq-a-inner a:hover{border-bottom-color:var(--primary);}

/* CTA 收束条 */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  border-radius:var(--r-2xl);
  background:var(--primary);
  padding:36px 44px;
  box-shadow:0 14px 36px rgba(34,85,224,.22);
}
.cta-bar h2{font-size:24px;color:#fff;margin-bottom:8px;}
.cta-bar p{font-size:13px;color:rgba(255,255,255,.82);line-height:1.7;}
.cta-bar .btn{flex:none;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:#fff;
  margin-top:96px;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{
  color:rgba(255,255,255,.68);
  font-size:14px;
  line-height:1.9;
  max-width:320px;
}
.social-row{display:flex;gap:12px;margin-top:22px;}
.social-row span{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  color:rgba(255,255,255,.75);
}
.footer-col h4{
  font-size:16px;color:#fff;font-weight:600;
  margin-bottom:20px;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{
  font-size:14px;
  color:rgba(255,255,255,.68);
  transition:color .2s ease;
}
.footer-col ul li a:hover{color:#fff;}
.footer-contact li{
  display:flex;gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.68);
  margin-bottom:12px;
}
.footer-contact svg{flex:none;margin-top:4px;color:rgba(255,255,255,.5);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;
  color:rgba(255,255,255,.55);
  flex-wrap:wrap;
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links a{color:rgba(255,255,255,.55);}
.footer-links a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1140px;}
}
@media (max-width:1023px){
  :root{--pad-section:72px;}
  .nav-links,.dock .btn-sm,.dock .icon-btn{display:none;}
  .menu-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;
    border:none;background:transparent;
    border-radius:var(--r-pill);
    color:var(--ink);cursor:pointer;
  }
  .menu-toggle:hover{background:#EEF1F7;}
  .dock{padding:8px 12px 8px 16px;justify-content:space-between;}
  .page-hero{padding:40px 32px;}
  .page-hero h1{font-size:32px;}
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;}
  .stat-grid{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .stat-item{padding:6px 20px;}
  .stat-item:nth-child(2){border-right:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:32px;}
}
@media (max-width:767px){
  :root{--pad-section:56px;}
  body{font-size:15px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .container{padding:0 20px;}
  .dock-wrap{padding:0 16px;top:12px;}
  .page-hero{padding:32px 22px;border-radius:var(--r-xl);min-height:auto;}
  .page-hero h1{font-size:28px;}
  .page-hero .lead{font-size:16px;}
  .service-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .service-card,.flow-step{padding:22px;}
  .stat-band{padding:32px 22px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);row-gap:26px;}
  .stat-item{padding:4px 12px;}
  .stat-value{font-size:30px;}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-brand{text-align:center;}
  .footer-brand p{margin:0 auto;}
  .social-row{justify-content:center;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .btn{width:100%;}
  .cta-bar .btn{width:100%;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.2);padding-bottom:16px;}
  .stat-item:last-child{border-bottom:none;}
}

/* roulang page: category2 */
:root{
  --brand:#2255E0;
  --brand-dark:#1A43B8;
  --brand-light:#E8EEFF;
  --accent:#FF7A2F;
  --accent-light:#FFF1E7;
  --mint:#17BFA8;
  --ink:#0F1B33;
  --text:#4A5568;
  --muted:#7C8798;
  --line:#E7EBF3;
  --bg:#F4F6FB;
  --white:#FFFFFF;
  --dark:#0F1B33;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-xl:20px;
  --r-2xl:24px;
  --r-pill:999px;
  --shadow-1:0 6px 24px rgba(15,27,51,.06);
  --shadow-2:0 14px 36px rgba(15,27,51,.10);
  --shadow-3:0 8px 30px rgba(15,27,51,.08);
  --container:1200px;
  --sec:96px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;letter-spacing:-.02em}
h1{font-size:44px;font-weight:700}
h2{font-size:32px;font-weight:700}
h3{font-size:20px;font-weight:600}
p{line-height:1.8}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{position:sticky;top:16px;z-index:50;padding-top:16px}
.dock{
  width:min(1140px,calc(100% - 48px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-3);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:30px;height:30px;flex:0 0 30px}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 16px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:var(--text);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-links a:hover{background:rgba(34,85,224,.08);color:var(--brand)}
.nav-links a.active{background:var(--brand-light);color:var(--brand);font-weight:600}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;
  border-radius:var(--r-pill);
  display:flex;align-items:center;justify-content:center;
  color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.icon-btn:hover{background:rgba(15,27,51,.06);color:var(--brand)}
.dock-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:var(--r-pill);
  align-items:center;justify-content:center;
  color:var(--ink);
  transition:background .2s ease;
}
.dock-toggle:hover{background:rgba(15,27,51,.06)}
.dock-toggle span{position:relative;display:block;width:18px;height:2px;background:currentColor;border-radius:2px;transition:transform .25s ease,background .25s ease}
.dock-toggle span::before,
.dock-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.dock-toggle span::before{top:-6px}
.dock-toggle span::after{top:6px}
.dock-toggle.is-open span{background:transparent}
.dock-toggle.is-open span::before{transform:translateY(6px) rotate(45deg)}
.dock-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg)}

.mobile-mask{
  position:fixed;inset:0;background:rgba(15,27,51,.32);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:60;
}
.mobile-mask.is-open{opacity:1;visibility:visible}
.mobile-panel{
  position:fixed;left:24px;right:24px;top:86px;z-index:70;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow-2);
  padding:12px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.mobile-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-panel .m-link{
  display:block;padding:14px 16px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:500;color:var(--text);
}
.mobile-panel .m-link:last-of-type{border-bottom:0}
.mobile-panel .m-link.is-active{color:var(--brand);font-weight:600;background:var(--brand-light);border-radius:var(--r-sm)}
.m-search{margin:12px 4px}
.m-search input{
  width:100%;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg);
  padding:0 18px;font-size:15px;color:var(--ink);
}
.m-search input:focus{outline:2px solid var(--brand);outline-offset:0;background:var(--brand-light)}
.m-cta{display:block;text-align:center;margin:8px 4px 4px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  padding:14px 28px;
  font-size:15px;font-weight:600;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  cursor:pointer;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(34,85,224,.22)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);background:#153A9E}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand-light);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:#F2F5FF;transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:15px;font-weight:600;
  transition:color .2s ease;
}
.btn-text svg{transition:transform .2s ease}
.btn-text:hover{color:var(--brand-dark)}
.btn-text:hover svg{transform:translateX(4px)}

/* ============ 标签 ============ */
.pill{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:13px;font-weight:500;
  background:var(--brand-light);color:var(--brand);
  white-space:nowrap;
}
.pill-mint{background:rgba(23,191,168,.12);color:#0E8E7D}
.pill-accent{background:var(--accent-light);color:#D95F14}

/* ============ 分类小 Hero ============ */
.cat-hero{position:relative;margin-top:24px;overflow:hidden;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:44px 44px 40px;min-height:224px;display:flex;flex-direction:column;justify-content:center;
}
.cat-hero::after{
  content:"";position:absolute;right:-30px;bottom:-70px;width:380px;height:290px;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-radius:var(--r-2xl);opacity:.16;pointer-events:none;
}
.cat-hero::before{
  content:"";position:absolute;right:180px;top:-90px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(34,85,224,.10),rgba(34,85,224,0));
  pointer-events:none;
}
.crumbs{position:relative;z-index:1;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumbs a{transition:color .2s ease}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#C7CFDD}
.crumbs .cur{color:var(--text)}
.cat-hero h1{position:relative;z-index:1;font-size:36px;margin-bottom:14px}
.cat-hero p{position:relative;z-index:1;font-size:17px;color:var(--text);max-width:620px}
.hero-meta{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-meta .pill{background:#fff;border:1px solid var(--line);color:var(--text)}
.hero-meta .pill b{color:var(--brand);font-weight:700;margin-right:4px}

/* ============ 通用板块 ============ */
.section{padding-top:var(--sec)}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head .pill{margin-bottom:14px}
.sec-head h2{margin-bottom:12px}
.sec-head p{color:var(--text);font-size:16px}

/* ============ 攻略内容概览 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 24px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(34,85,224,.3)}
.feature-icon{
  width:48px;height:48px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand);margin-bottom:18px;
  transition:background .25s ease,color .25s ease;
}
.feature-card:nth-child(2) .feature-icon{background:var(--accent-light);color:var(--accent)}
.feature-card:nth-child(3) .feature-icon{background:rgba(23,191,168,.12);color:#0E8E7D}
.feature-card:nth-child(4) .feature-icon{background:#F2F5FF;color:var(--brand)}
.feature-card:hover .feature-icon{background:#DCE6FF}
.feature-card h3{font-size:18px;margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text);line-height:1.75}

/* ============ 图文攻略列表 + 锚点导航 ============ */
.guide-layout{display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start}
.anchor-nav{
  position:sticky;top:104px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 14px;box-shadow:var(--shadow-1);
}
.anchor-nav h3{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.06em;padding:0 12px 10px}
.anchor-nav a{
  display:block;padding:10px 12px;border-radius:var(--r-xs);
  font-size:15px;color:var(--text);transition:background .2s ease,color .2s ease;
}
.anchor-nav a:hover{background:rgba(34,85,224,.08);color:var(--brand)}
.anchor-nav a.is-active{background:var(--brand-light);color:var(--brand);font-weight:600}
.anchor-note{margin-top:14px;padding:14px 12px 4px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.7}

.guide-rows{display:flex;flex-direction:column}
.guide-row{
  display:grid;grid-template-columns:236px 1fr;gap:28px;
  padding:32px 0;border-top:1px solid var(--line);scroll-margin-top:110px;
}
.guide-row:first-child{border-top:0;padding-top:0}
.guide-figure{border-radius:var(--r-sm);overflow:hidden;background:#EDF1F7}
.guide-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
.guide-row:hover .guide-figure img{transform:scale(1.03)}
.guide-body .pill{margin-bottom:12px}
.guide-body h3{font-size:20px;margin-bottom:10px}
.guide-body p{font-size:15px;color:var(--text);margin-bottom:14px}
.guide-points li{
  position:relative;padding-left:18px;font-size:14px;color:var(--text);line-height:1.9;
}
.guide-points li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--brand);
}
.guide-points li:nth-child(2)::before{background:var(--accent)}

/* ============ 上手流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-step{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 24px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(34,85,224,.3)}
.flow-num{
  display:block;font-size:28px;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1;margin-bottom:14px;
}
.flow-step h3{font-size:18px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--text);line-height:1.75}

/* ============ 适用场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px 26px 28px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card::before{
  content:"";position:absolute;left:26px;top:0;width:44px;height:3px;border-radius:0 0 3px 3px;background:var(--brand);
}
.scene-card:nth-child(2)::before{background:var(--accent)}
.scene-card:nth-child(3)::before{background:var(--mint)}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(34,85,224,.3)}
.scene-card h3{font-size:18px;margin:10px 0 12px}
.scene-card p{font-size:14px;color:var(--text)}
.scene-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.scene-card li{position:relative;padding-left:16px;font-size:14px;color:var(--text)}
.scene-card li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--brand);opacity:.7}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(34,85,224,.3)}
.faq-item.is-open{border-color:rgba(34,85,224,.35);box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;color:var(--ink);font-size:16px;font-weight:600;
}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;transition:transform .25s ease}
.faq-icon::before,
.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--text);line-height:1.8}
.faq-a a{color:var(--brand);border-bottom:1px solid rgba(34,85,224,.35)}
.faq-a a:hover{border-bottom-color:var(--brand)}

/* ============ 收束 CTA ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--brand);border-radius:var(--r-2xl);
  padding:40px 44px;box-shadow:0 18px 44px rgba(34,85,224,.22);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),rgba(255,255,255,0));
}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:8px;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.82);font-size:14px;position:relative;z-index:1}
.cta-band .btn{position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#fff;margin-top:var(--sec);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{color:rgba(255,255,255,.68);font-size:14px;max-width:320px}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-row span{
  width:34px;height:34px;border-radius:var(--r-pill);
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);
  transition:background .2s ease,color .2s ease;
}
.social-row span:hover{background:rgba(255,255,255,.16);color:#fff}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-col li span{color:rgba(255,255,255,.68);font-size:14px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{color:rgba(255,255,255,.55);font-size:13px}
.footer-friend{display:flex;gap:18px;flex-wrap:wrap}
.footer-friend a{color:rgba(255,255,255,.55);font-size:13px;transition:color .2s ease}
.footer-friend a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{width:min(1140px,calc(100% - 48px))}
  .nav-links a{padding:9px 12px;font-size:14px}
  .guide-layout{gap:32px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .nav-links,.dock-actions .btn{display:none}
  .dock-toggle{display:flex}
  .dock{padding:8px 10px 8px 18px;justify-content:space-between}
  .dock-actions{margin-left:auto}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .guide-layout{grid-template-columns:1fr;gap:28px}
  .anchor-nav{position:static;display:flex;gap:8px;overflow-x:auto;padding:10px;scrollbar-width:none}
  .anchor-nav::-webkit-scrollbar{display:none}
  .anchor-nav h3,.anchor-note{display:none}
  .anchor-nav a{white-space:nowrap;padding:9px 14px;border:1px solid var(--line);border-radius:var(--r-pill)}
  .anchor-nav a.is-active{border-color:transparent}
  .cat-hero h1{font-size:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  :root{--sec:56px}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:18px}
  body{font-size:15px}
  .container{width:calc(100% - 40px)}
  .cat-hero{padding:32px 24px;min-height:200px}
  .cat-hero::after{width:240px;height:180px;opacity:.12}
  .cat-hero h1{font-size:26px}
  .cat-hero p{font-size:15px}
  .feature-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .guide-row{grid-template-columns:1fr;gap:16px;padding:26px 0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px;gap:20px}
  .cta-band .btn{width:100%}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand{text-align:left}
  .footer-brand .logo{justify-content:flex-start}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .btn{width:100%}
  .btn-sm,.btn-text{width:auto}
  .feature-card,.flow-step,.scene-card{padding:22px 18px}
  .mobile-panel{left:16px;right:16px}
}

/* roulang page: category3 */
:root{
  --brand:#2255E0;
  --brand-dark:#1A43B8;
  --brand-light:#E8EEFF;
  --accent:#FF7A2F;
  --accent-light:#FFF1E7;
  --mint:#17BFA8;
  --ink:#0F1B33;
  --text:#4A5568;
  --muted:#7C8798;
  --line:#E7EBF3;
  --bg:#F4F6FB;
  --card:#FFFFFF;
  --dark:#0F1B33;
  --r8:8px;
  --r12:12px;
  --r16:16px;
  --r20:20px;
  --r24:24px;
  --rpill:999px;
  --sh1:0 6px 24px rgba(15,27,51,.06);
  --sh2:0 14px 36px rgba(15,27,51,.10);
  --sh3:0 8px 30px rgba(15,27,51,.08);
  --sec-y:96px;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em;line-height:1.25;font-weight:700;}
h1{font-size:44px;}
h2{font-size:32px;}
h3{font-size:20px;font-weight:600;}
h4{font-size:15px;font-weight:600;}
p{margin:0;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部浮动导航 ---------- */
.site-header{position:sticky;top:16px;z-index:50;padding:0 0 8px;}
.nav-dock{
  width:min(1140px,calc(100% - 48px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--rpill);
  box-shadow:var(--sh3);
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:30px;height:30px;flex:0 0 auto;}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:-.01em;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--rpill);font-size:15px;font-weight:500;color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(34,85,224,.08);color:var(--brand);}
.nav-links a.active{background:var(--brand-light);color:var(--brand);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  color:var(--text);transition:background .2s ease,color .2s ease;
}
.icon-btn:hover{background:#F0F3F9;color:var(--brand);}
.menu-toggle{
  width:40px;height:40px;border-radius:50%;display:none;place-items:center;
  color:var(--ink);border:1px solid var(--line);transition:background .2s ease;
}
.menu-toggle:hover{background:#F0F3F9;}
.mobile-panel{
  display:none;
  position:absolute;left:24px;right:24px;top:calc(100% + 10px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r20);
  box-shadow:var(--sh3);padding:8px 12px 16px;
}
.mobile-panel.open{display:block;}
.mobile-panel a.m-link{
  display:block;padding:12px 8px;min-height:44px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.m-link.active{color:var(--brand);font-weight:600;}
.mobile-panel .m-search{
  margin-top:14px;display:flex;align-items:center;gap:8px;
  border:1px solid var(--line);border-radius:var(--rpill);padding:0 16px;height:44px;
}
.mobile-panel .m-search input{border:0;outline:none;width:100%;background:transparent;height:42px;}
.mobile-panel .m-cta{width:100%;margin-top:14px;}
.nav-mask{
  position:fixed;inset:0;background:rgba(15,27,51,.32);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
  z-index:-1;
}
.nav-mask.show{opacity:1;visibility:visible;}

/* ---------- 按钮与链接 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--rpill);padding:14px 28px;font-size:15px;font-weight:600;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(34,85,224,.22);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);background:var(--brand-dark);}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:rgba(34,85,224,.08);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--brand);box-shadow:0 6px 18px rgba(15,27,51,.12);}
.btn-white:hover{background:#F0F4FF;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.4;pointer-events:none;transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);}
.link-arrow svg{transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- 小 Hero ---------- */
.page-hero{margin-top:24px;}
.hero-card{
  position:relative;overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r20);
  padding:48px;
  min-height:228px;
  display:flex;flex-direction:column;justify-content:center;
  background-image:
    linear-gradient(90deg,#F4F6FB 0%,rgba(244,246,251,.94) 46%,rgba(244,246,251,.66) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:right center;
}
.hero-card::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:240px;height:240px;
  border-radius:50%;border:22px solid rgba(34,85,224,.07);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px;flex-wrap:wrap;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.6;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:var(--rpill);padding:6px 14px;margin-bottom:16px;
}
.hero-card h1{max-width:760px;font-size:36px;}
.hero-lead{margin-top:16px;max-width:640px;font-size:17px;color:var(--text);line-height:1.8;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;position:relative;z-index:1;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--rpill);
  font-size:13px;background:var(--brand-light);color:var(--brand);font-weight:500;
}
.tag-accent{background:var(--accent-light);color:#C4551A;}
.tag-mint{background:rgba(23,191,168,.12);color:#0E8C7C;}

/* ---------- 板块 ---------- */
.section{padding:var(--sec-y) 0 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--text);}
.band-white{background:#fff;border:1px solid var(--line);border-radius:var(--r24);padding:56px;}

/* ---------- 栏目方向 ---------- */
.grid-2x2{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r16);
  padding:28px;box-shadow:var(--sh1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(34,85,224,.3);}
.card-featured{background:var(--brand);border-color:transparent;color:#fff;box-shadow:0 14px 36px rgba(34,85,224,.22);}
.card-featured h3,.card-featured h4{color:#fff;}
.card-featured p{color:rgba(255,255,255,.86);}
.card-featured:hover{border-color:transparent;box-shadow:0 18px 44px rgba(34,85,224,.28);}
.card-icon{
  width:44px;height:44px;border-radius:var(--r12);display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);margin-bottom:18px;
  transition:background .25s ease;
}
.card-featured .card-icon{background:rgba(255,255,255,.16);color:#fff;}
.card:hover .card-icon{background:var(--accent-light);color:var(--accent);}
.card-featured:hover .card-icon{background:rgba(255,255,255,.24);color:#fff;}
.card h3{margin-bottom:10px;}
.card p{font-size:15px;line-height:1.8;}
.card .card-foot{margin-top:18px;}
.card-featured .link-arrow{color:#fff;}
.card-featured .link-arrow:hover{color:#fff;}

/* ---------- 更新节奏时间轴 ---------- */
.timeline{position:relative;padding-left:38px;max-width:900px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(34,85,224,.10));
}
.tl-item{position:relative;padding-bottom:24px;}
.tl-item::before{
  content:"";position:absolute;left:-36px;top:12px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);
}
.tl-item.is-current::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-light);}
.tl-date{font-size:13px;color:var(--muted);margin-bottom:8px;font-variant-numeric:tabular-nums;}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r16);
  padding:22px 26px;box-shadow:var(--sh1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(34,85,224,.3);}
.tl-card h3{margin-bottom:8px;}
.tl-card p{font-size:15px;line-height:1.8;}
.tl-card .tag{margin-top:14px;}

/* ---------- 数据色带 ---------- */
.data-band{
  margin-top:var(--sec-y);
  background:var(--brand);color:#fff;border-radius:var(--r24);
  padding:44px 40px;
  display:grid;grid-template-columns:repeat(4,1fr);
  box-shadow:0 14px 36px rgba(34,85,224,.24);
}
.data-item{text-align:center;padding:0 16px;border-right:1px solid rgba(255,255,255,.2);}
.data-item:last-child{border-right:0;}
.data-num{font-size:40px;font-weight:800;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;}
.data-num span{font-size:16px;font-weight:600;margin-left:3px;}
.data-label{font-size:14px;color:rgba(255,255,255,.8);margin-top:8px;}

/* ---------- 图文区 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r20);box-shadow:var(--sh2);}
.split-body h2{margin-bottom:16px;}
.split-body > p{font-size:16px;margin-bottom:24px;}
.check-list li{display:flex;gap:12px;margin-bottom:16px;}
.check-list li:last-child{margin-bottom:0;}
.check-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:0 0 auto;margin-top:11px;}
.check-list strong{display:block;color:var(--ink);font-size:16px;font-weight:600;margin-bottom:2px;}
.check-list span{font-size:15px;color:var(--text);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r16);box-shadow:var(--sh1);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;}
.faq-item:hover{border-color:rgba(34,85,224,.3);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;min-height:64px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-icon{flex:0 0 auto;color:var(--brand);transition:transform .3s ease;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 24px 24px;font-size:15px;line-height:1.8;color:var(--text);}
.faq-a-inner a{color:var(--brand);border-bottom:1px solid rgba(34,85,224,.3);}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin-top:var(--sec-y);
  background:var(--brand);color:#fff;border-radius:var(--r24);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 14px 36px rgba(34,85,224,.24);
}
.cta-band h3{color:#fff;font-size:22px;margin-bottom:6px;}
.cta-band p{font-size:13px;color:rgba(255,255,255,.82);}

/* ---------- 表单（留言/订阅） ---------- */
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}
.subscribe-form input[type="email"]{
  flex:1 1 240px;height:48px;border-radius:var(--r12);
  border:1px solid var(--line);background:#fff;padding:0 16px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.subscribe-form input[type="email"]:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,85,224,.12);background:#FBFCFF;
}
.form-note{font-size:13px;color:var(--muted);margin-top:12px;}
.form-ok{
  display:none;margin-top:16px;font-size:14px;color:#0E8C7C;
  background:rgba(23,191,168,.12);border-radius:var(--r12);padding:12px 16px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#fff;padding:72px 0 0;margin-top:var(--sec-y);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.8;margin-top:18px;max-width:320px;}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row span{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);
}
.footer-col h4{color:#fff;margin-bottom:16px;font-size:15px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-col a:hover{color:#fff;}
.contact-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.7);}
.contact-list svg{flex:0 0 auto;margin-top:5px;color:var(--brand-light);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-links a{color:rgba(255,255,255,.55);margin-left:16px;}
.footer-links a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1140px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .menu-toggle{display:grid;}
  .nav-actions{margin-left:auto;}
  .nav-dock{padding:8px 10px 8px 16px;}
  .section{padding:72px 0 0;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  .hero-card{padding:36px;min-height:200px;}
  .hero-card h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .grid-2x2{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:32px;}
  .band-white{padding:36px;}
  .data-band{grid-template-columns:1fr 1fr;row-gap:32px;padding:36px 28px;}
  .data-item{border-right:0;}
  .data-item:nth-child(odd){border-right:1px solid rgba(255,255,255,.2);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand p{max-width:none;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 20px;}
  .section{padding:56px 0 0;}
  .site-footer{margin-top:56px;padding-top:56px;}
  .data-band{margin-top:56px;padding:28px 20px;}
  .cta-band{margin-top:56px;padding:28px 24px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .hero-card{padding:28px;border-radius:var(--r16);}
  .hero-card h1{font-size:26px;}
  .band-white{padding:28px 20px;border-radius:var(--r20);}
  .timeline{padding-left:30px;}
  .tl-item::before{left:-28px;}
  .tl-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:10px;}
  .footer-links a{margin-left:0;margin-right:16px;}
}
@media (max-width:520px){
  .btn{width:100%;}
  .nav-dock{padding:8px 8px 8px 14px;}
  .logo-text{font-size:15px;}
  .card{padding:16px;}
  .data-band{grid-template-columns:1fr 1fr;gap:20px;}
  .data-num{font-size:32px;}
  .cta-band h3{font-size:19px;}
}

/* roulang page: category4 */
:root{
  --brand:#2255E0;
  --brand-dark:#1A43B8;
  --brand-light:#E8EEFF;
  --accent:#FF7A2F;
  --accent-light:#FFF1E7;
  --mint:#17BFA8;
  --ink:#0F1B33;
  --text:#4A5568;
  --muted:#7C8798;
  --line:#E7EBF3;
  --bg:#F4F6FB;
  --card:#FFFFFF;
  --dark:#0F1B33;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 6px 24px rgba(15,27,51,.06);
  --sh-2:0 14px 36px rgba(15,27,51,.10);
  --sh-3:0 8px 30px rgba(15,27,51,.08);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;letter-spacing:-0.02em;font-weight:700}
p{margin:0}
svg{flex:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px) and (max-width:1439px){.container{max-width:1140px}}

/* ---------- Header / Dock ---------- */
.site-header{position:sticky;top:16px;z-index:50;padding:0 0 8px}
.dock{
  width:min(1140px,calc(100% - 48px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-3);
}
.logo{display:flex;align-items:center;gap:9px;flex:none}
.logo-mark{width:28px;height:28px}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-0.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-links a{
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:var(--text);
  white-space:nowrap;
}
.nav-links a:hover{background:rgba(34,85,224,.08);color:var(--brand)}
.nav-links a.active{background:var(--brand-light);color:var(--brand);font-weight:600}
.dock-actions{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:var(--r-pill);
  color:var(--muted);
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease;
}
.icon-btn:hover{background:#EFF2F8;color:var(--ink)}
.hamburger{display:none;width:40px;height:40px;place-items:center;border-radius:var(--r-pill);color:var(--ink)}
.hamburger:hover{background:#EFF2F8}
.hamburger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

.mobile-panel{
  display:none;
  position:fixed;
  top:88px;left:50%;
  transform:translateX(-50%);
  width:min(560px,calc(100% - 40px));
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-2);
  padding:12px;
  z-index:60;
}
.mobile-panel.open{display:block}
.mobile-panel a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.m-link:last-of-type{border-bottom:0}
.mobile-panel a.m-link.active{color:var(--brand);font-weight:600;background:var(--brand-light);border-radius:var(--r-sm)}
.mobile-panel .m-search{position:relative;margin:12px 0 4px}
.mobile-panel .m-search input{width:100%;height:44px;padding:0 14px 0 40px;border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;font-size:15px}
.mobile-panel .m-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted)}
.mobile-panel .btn{margin-top:12px;width:100%}
.nav-overlay{display:none;position:fixed;inset:0;background:rgba(15,27,51,.32);z-index:55}
.nav-overlay.open{display:block}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(34,85,224,.22)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(34,85,224,.28)}
.btn-primary:active{transform:translateY(0);background:#153AA4}
.btn-ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn-ghost:hover{background:rgba(34,85,224,.08);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{background:#F0F4FF;transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;transform:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.link-more svg{transition:transform .2s ease}
.link-more:hover svg{transform:translateX(4px)}

/* ---------- Page hero ---------- */
.page-hero{padding:24px 0 8px}
.hero-card{
  position:relative;
  overflow:hidden;
  background:linear-gradient(160deg,#F4F6FB 0%,#EEF2FB 100%);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:40px 40px 36px;
  min-height:220px;
}
.hero-card h1{font-size:32px;margin-bottom:12px}
.hero-lead{font-size:16px;color:var(--text);max-width:640px;line-height:1.8}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C6CEDA}
.breadcrumb .current{color:var(--brand);font-weight:600}
.hero-deco{position:absolute;right:-60px;bottom:-70px;width:240px;height:240px;border-radius:50%;border:26px solid rgba(34,85,224,.08);pointer-events:none}
.hero-deco::after{content:"";position:absolute;right:96px;top:-40px;width:60px;height:60px;border-radius:var(--r-md);background:rgba(255,122,47,.10);transform:rotate(18deg);display:block}
.search-bar{
  position:relative;
  margin-top:26px;
  max-width:560px;
}
.search-bar svg{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--brand)}
.search-bar input{
  width:100%;height:48px;
  padding:0 20px 0 50px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#fff;
  font-size:15px;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.search-bar input::placeholder{color:#A3ADBD}
.search-bar input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(34,85,224,.12)}

/* ---------- Sections ---------- */
.section{padding:56px 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:32px;margin-bottom:12px}
.section-head p{font-size:16px;color:var(--text)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-light);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:16px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- Quick tags ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 16px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-size:14px;color:var(--text);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease,transform .2s ease;
}
.tag:hover{border-color:rgba(34,85,224,.3);color:var(--brand);background:var(--brand-light);transform:translateY(-2px)}
.tag.accent{background:var(--accent-light);border-color:transparent;color:#C1531A}

/* ---------- FAQ ---------- */
.faq-group + .faq-group{margin-top:56px}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.faq-item:hover{border-color:rgba(34,85,224,.3);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;
  min-height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:14px 22px;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  line-height:1.5;
}
.faq-icon{position:relative;width:20px;height:20px;flex:none;color:var(--brand);transition:transform .25s ease,color .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--accent)}
.faq-a{display:none;padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--text)}
.faq-item.open .faq-a{display:block}
.faq-a a{color:var(--brand);text-decoration:underline;text-decoration-color:rgba(34,85,224,.35);text-underline-offset:3px}
.faq-a a:hover{text-decoration-color:var(--brand)}

/* ---------- Support / ticket ---------- */
.support-card{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.support-aside{
  padding:36px 32px;
  background:linear-gradient(180deg,#FFFFFF 0%,#F7F9FE 100%);
  border-right:1px solid var(--line);
}
.support-aside h3{font-size:20px;margin-bottom:12px}
.support-aside p{font-size:15px;line-height:1.8;color:var(--text)}
.support-media{margin:22px 0;border-radius:var(--r-md);overflow:hidden}
.support-media img{width:100%;height:auto;border-radius:var(--r-md)}
.contact-list{margin-top:8px}
.contact-list li{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-top:1px solid var(--line);font-size:15px}
.contact-list li:first-child{border-top:0}
.contact-list svg{color:var(--brand);margin-top:4px}
.contact-list .lbl{display:block;font-size:13px;color:var(--muted);line-height:1.5}
.contact-list .val{color:var(--ink);font-weight:500;word-break:break-all}
.support-form{padding:36px 32px}
.support-form h3{font-size:20px;margin-bottom:8px}
.support-form .form-note{font-size:14px;color:var(--muted);margin-bottom:24px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;font-weight:500;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  color:var(--ink);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field input,.field select{height:48px;padding:0 14px}
.field textarea{min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{
  appearance:none;
  -webkit-appearance:none;
  padding-right:42px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237C8798' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background-color:#FAFBFF;
  box-shadow:0 0 0 3px rgba(34,85,224,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#A3ADBD}
.field.err input,.field.err select,.field.err textarea{border-color:#D64545;box-shadow:0 0 0 3px rgba(214,69,69,.10)}
.field .err-msg{display:none;font-size:12px;color:#D64545}
.field.err .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:22px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:none}
.check-row a{color:var(--brand);text-decoration:underline;text-decoration-color:rgba(34,85,224,.35);text-underline-offset:3px}
.form-status{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);font-size:14px;line-height:1.7}
.form-status.ok{display:block;background:rgba(23,191,168,.10);border:1px solid rgba(23,191,168,.35);color:#0E8F7E}
.form-status.bad{display:block;background:rgba(214,69,69,.08);border:1px solid rgba(214,69,69,.3);color:#B23A3A}
.spinner{
  width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.4);
  border-top-color:#fff;
  display:none;
  animation:spin .8s linear infinite;
}
.btn.loading .spinner{display:block}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- CTA band ---------- */
.cta-wrap{padding:8px 0 0}
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--brand);
  border-radius:var(--r-xl);
  padding:36px 40px;
  box-shadow:0 18px 40px rgba(34,85,224,.22);
}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.82);font-size:13px;line-height:1.7}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:#fff;margin-top:72px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:320px}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-row span{
  width:34px;height:34px;display:grid;place-items:center;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.7);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.social-row span:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.32)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col ul a:hover{color:#fff}
.footer-col .f-line{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:12px;line-height:1.7}
.footer-col .f-line svg{color:var(--accent);margin-top:4px}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.55)}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:rgba(255,255,255,.55)}
.footer-links a:hover{color:#fff}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .dock{width:calc(100% - 40px)}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .dock{justify-content:space-between;padding:8px 12px 8px 18px}
  .dock-actions .btn.dock-cta{display:none}
  .hamburger{display:grid}
  .hero-card{padding:32px 28px}
  .hero-card h1{font-size:26px}
  .support-card{grid-template-columns:1fr}
  .support-aside{border-right:0;border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 20px}
  .section{padding:40px 0}
  .section-head h2{font-size:24px}
  .hero-card{padding:26px 20px;border-radius:var(--r-md)}
  .hero-card h1{font-size:24px}
  .hero-lead{font-size:15px}
  .support-aside,.support-form{padding:24px 20px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand .logo{justify-content:center}
  .footer-brand p{text-align:center;margin:0 auto}
  .social-row{justify-content:center}
  .footer-col h4{margin-bottom:14px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .btn{width:100%;padding:14px 20px}
  .btn.btn-sm,.tag,.link-more{width:auto}
  .faq-q{padding:14px 16px;font-size:15px}
  .faq-a{padding:0 16px 18px}
  .search-bar input{height:46px}
  .mobile-panel{top:80px;width:calc(100% - 32px)}
}