/* roulang page: index */
:root{
  --brand-900:#0A3350;
  --brand-800:#0B4467;
  --brand-600:#0E6B9B;
  --brand-500:#1583B8;
  --brand-050:#E8F2F8;
  --accent-500:#F2760C;
  --accent-050:#FFF2E4;
  --bg-page:#F5F8FB;
  --bg-surface:#FFFFFF;
  --text-900:#10222E;
  --text-600:#4A6273;
  --text-400:#8A9AA8;
  --line:#E3EBF2;
  --skeleton:#E8F0F6;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --r-img:16px;
  --sh-card:0 6px 24px rgba(10,51,80,.07);
  --sh-hover:0 16px 36px rgba(10,51,80,.13);
  --sidebar-w:248px;
  --ease:200ms ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-600);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,h5{margin:0;color:var(--text-900);font-weight:700;}
h1{font-size:clamp(30px,4vw,44px);line-height:1.25;letter-spacing:-.5px;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease);}
a:hover{color:var(--accent-500);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px;}

/* ---------- 通用容器 ---------- */
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding-left:40px;
  padding-right:40px;
}

/* ---------- 侧栏 ---------- */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  height:100vh;
  background:var(--brand-900);
  border-right:1px solid rgba(255,255,255,.06);
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  z-index:1030;
  transition:width var(--ease);
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-track{background:transparent;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:99px;}
.brand-block{
  height:96px;
  padding:24px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:3px;
  text-decoration:none;
  flex:0 0 auto;
}
.brand-block:hover{background:rgba(255,255,255,.04);}
.brand-line1{color:#fff;font-size:20px;font-weight:700;line-height:1.2;letter-spacing:-.2px;}
.brand-line2{color:rgba(255,255,255,.6);font-size:13px;line-height:1.2;font-weight:400;}
.nav-group-title{
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(255,255,255,.4);
  padding:18px 24px 8px;
  font-weight:500;
}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:46px;
  margin:2px 12px;
  padding:0 14px;
  border-radius:10px;
  color:rgba(255,255,255,.78);
  font-size:15px;
  text-decoration:none;
  transition:background var(--ease),color var(--ease);
}
.side-link i{font-size:14px;opacity:.85;width:16px;text-align:center;}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff;}
.side-link.active{background:rgba(255,255,255,.12);color:#fff;}
.side-link.active::before{
  content:"";
  position:absolute;
  left:0;top:11px;bottom:11px;width:3px;
  border-radius:2px;
  background:var(--accent-500);
}
.side-card{
  margin:auto 16px 20px;
  padding:16px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);
  flex:0 0 auto;
}
.side-card p{color:rgba(255,255,255,.72);font-size:13px;line-height:1.7;margin:0 0 10px;}
.side-card a{color:#fff;font-size:13px;font-weight:600;}
.side-card a:hover{color:var(--accent-500);}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{display:none;}
@media (max-width:991.98px){
  .side-nav{display:none;}
  .site-wrap{margin-left:0;}
  .mobile-bar{
    display:block;
    position:sticky;
    top:0;
    z-index:1040;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 2px 12px rgba(10,51,80,.08);
  }
}
.mobile-bar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:60px;
  padding:0 20px;
}
.mobile-brand{display:flex;flex-direction:column;text-decoration:none;line-height:1.15;}
.mobile-brand span:first-child{font-size:18px;font-weight:700;color:var(--text-900);}
.mobile-brand span:last-child{font-size:12px;color:var(--text-400);}
.menu-toggle{
  width:40px;height:40px;
  border:0;border-radius:10px;
  background:transparent;
  color:var(--text-900);
  font-size:17px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:background var(--ease);
}
.menu-toggle:hover{background:var(--brand-050);}
.mobile-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height var(--ease);
  background:#fff;
}
.mobile-panel.open{max-height:280px;}
.m-link{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 20px;
  font-size:15px;
  color:var(--text-600);
  border-bottom:1px solid var(--line);
  text-decoration:none;
}
.m-link.active{color:var(--text-900);font-weight:600;border-left:3px solid var(--brand-600);padding-left:17px;}
.m-link:hover{background:var(--brand-050);color:var(--brand-600);}

/* ---------- 主体框架 ---------- */
.site-wrap{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
main{flex:1 1 auto;}

/* ---------- 板块间距 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0 88px;}
.section-head{margin-bottom:38px;max-width:760px;}
.section-title{margin-bottom:14px;}
.section-desc{font-size:16px;color:var(--text-600);line-height:1.85;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:500;letter-spacing:.02em;
  color:var(--brand-600);
  background:var(--brand-050);
  border-radius:999px;
  padding:5px 12px;
  margin-bottom:16px;
}
.eyebrow i{font-size:11px;}

/* ---------- Hero ---------- */
.hero{padding:88px 0 72px;}
.hero-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
}
.hero h1{margin-bottom:22px;}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--text-600);
  margin:0 0 28px;
  max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:20px;
  background:var(--skeleton);
}
.floating-card{
  position:absolute;
  right:18px;
  bottom:18px;
  width:min(300px,78%);
  background:#fff;
  border-radius:var(--r-sm);
  padding:16px 18px;
  box-shadow:0 12px 28px rgba(10,51,80,.18);
}
.floating-card p{font-size:13px;line-height:1.7;color:var(--text-600);margin:0 0 10px;}
.floating-card a{font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* ---------- 按钮 ---------- */
.btn-main,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  text-decoration:none;
  cursor:pointer;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
}
.btn-main{background:var(--brand-600);color:#fff;border:0;}
.btn-main:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(14,107,155,.28);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--brand-600);border:1.5px solid var(--brand-600);}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-800);border-color:var(--brand-800);}
.btn-ghost:active{transform:translateY(1px);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand-600);
}
.text-link:hover{color:var(--accent-500);text-decoration:underline;text-underline-offset:3px;}

/* ---------- 服务入口 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
@media (min-width:1400px){.service-grid{grid-template-columns:repeat(4,1fr);}}
.service-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  background:var(--bg-surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.service-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--brand-050);}
.service-icon{
  width:40px;height:40px;
  border-radius:10px;
  background:var(--brand-050);
  color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
}
.service-card h3{font-size:18px;}
.service-card p{font-size:14px;line-height:1.75;color:var(--text-600);margin:0;}
.service-card .text-link{margin-top:auto;font-size:14px;}

/* ---------- 优势数据 ---------- */
.stat-band{
  background:var(--brand-050);
  border-radius:20px;
  padding:48px 36px;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-num{
  font-size:clamp(32px,3.4vw,40px);
  font-weight:700;
  color:var(--brand-600);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
}
.stat-num span{font-size:16px;font-weight:600;margin-left:2px;}
.stat-label{font-size:14px;color:var(--text-400);margin-top:10px;line-height:1.6;}
.section-note{margin-top:26px;font-size:14px;color:var(--text-400);}

/* ---------- 案例场景 ---------- */
.case-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
}
.case-row + .case-row{margin-top:64px;}
.case-row.reverse .case-media{order:2;}
.case-row.reverse .case-text{order:1;}
.case-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-img);
  background:var(--skeleton);
}
.case-tag{
  display:inline-block;
  font-size:12px;
  font-weight:500;
  letter-spacing:.02em;
  padding:4px 10px;
  border-radius:999px;
  background:var(--brand-050);
  color:var(--brand-600);
  margin-bottom:14px;
}
.case-text h3{margin-bottom:12px;}
.case-text p{font-size:15px;line-height:1.85;color:var(--text-600);margin-bottom:16px;}

/* ---------- 方案列表 ---------- */
.plan-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,2fr);
  gap:52px;
  align-items:start;
}
.plan-sticky{position:sticky;top:36px;}
.plan-sticky h2{margin-bottom:16px;}
.plan-sticky p{font-size:15px;line-height:1.85;color:var(--text-600);margin-bottom:20px;}
.plan-list{border-top:1px solid var(--line);}
.plan-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:18px;
  padding:26px 0;
  border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.plan-item:hover{background:rgba(232,242,248,.55);}
.plan-num{
  font-size:22px;
  font-weight:700;
  color:var(--accent-500);
  font-variant-numeric:tabular-nums;
  line-height:1.4;
  letter-spacing:.02em;
}
.plan-item h3{font-size:18px;margin-bottom:8px;}
.plan-item p{font-size:14px;line-height:1.8;color:var(--text-600);margin:0;}

/* ---------- 最新信息 ---------- */
.news-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:34px;
}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--bg-surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-card);
  text-decoration:none;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--brand-050);}
.news-card:hover h3{color:var(--brand-600);}
.news-badge{
  align-self:flex-start;
  font-size:12px;
  font-weight:500;
  letter-spacing:.02em;
  padding:4px 10px;
  border-radius:999px;
  background:var(--brand-050);
  color:var(--brand-600);
  margin-bottom:14px;
}
.news-card h3{
  font-size:18px;
  line-height:1.5;
  color:var(--text-900);
  margin-bottom:12px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color var(--ease);
}
.news-card p{
  font-size:14px;
  line-height:1.75;
  color:var(--text-600);
  margin:0 0 18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-400);
  padding-top:14px;
  border-top:1px solid var(--line);
}
.news-foot i{font-size:13px;color:var(--text-400);}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:48px 24px;
  background:var(--bg-page);
  border:1px dashed #C9D8E3;
  border-radius:var(--r-card);
}
.empty-state i{font-size:48px;color:rgba(14,107,155,.4);margin-bottom:18px;}
.empty-state strong{display:block;font-size:15px;font-weight:600;color:var(--text-900);margin-bottom:6px;}
.empty-state span{font-size:13px;color:var(--text-400);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  position:relative;
  overflow:hidden;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{border-color:#D2E0EA;}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;width:3px;
  background:var(--brand-600);
  opacity:0;
  transition:opacity var(--ease);
}
.faq-item.open::before{opacity:1;}
.faq-item.open{box-shadow:var(--sh-card);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  background:transparent;
  border:0;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--text-900);
  cursor:pointer;
  line-height:1.6;
}
.faq-ico{
  position:relative;
  flex:0 0 auto;
  width:18px;height:18px;
}
.faq-ico::before,
.faq-ico::after{
  content:"";
  position:absolute;
  background:var(--brand-600);
  border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.faq-ico::before{left:0;top:8px;width:18px;height:2px;}
.faq-ico::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-ico::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease;
}
.faq-item.open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-600);
  border-top:1px dashed var(--line);
  padding-top:16px;
  margin:0 22px 20px;
  padding-left:0;
  padding-right:0;
}

/* ---------- 联系转化 ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:44px;
  align-items:start;
}
.contact-info h2{margin-bottom:16px;}
.contact-info > p{font-size:15px;line-height:1.85;color:var(--text-600);margin-bottom:26px;}
.contact-list{display:flex;flex-direction:column;gap:16px;}
.contact-item{display:flex;align-items:flex-start;gap:14px;}
.contact-item i{
  flex:0 0 auto;
  width:38px;height:38px;
  border-radius:10px;
  background:var(--brand-050);
  color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;
}
.contact-item strong{display:block;font-size:15px;color:var(--text-900);font-weight:600;line-height:1.6;}
.contact-item span{font-size:13px;color:var(--text-400);line-height:1.7;}
.form-card{
  background:var(--bg-surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--sh-card);
}
.form-row{margin-bottom:18px;}
.form-label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--text-900);
  margin-bottom:8px;
}
.form-input{
  width:100%;
  height:46px;
  padding:0 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--text-900);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.form-input::placeholder{color:var(--text-400);}
.form-input:hover{border-color:#D2E0EA;}
.form-input:focus{
  outline:none;
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(14,107,155,.15);
}
textarea.form-input{
  height:120px;
  padding:12px 14px;
  line-height:1.7;
  resize:vertical;
}
.form-tip{font-size:13px;color:var(--text-400);margin:14px 0 0;line-height:1.7;}
.form-ok{
  display:none;
  margin-bottom:18px;
  padding:12px 14px;
  border-radius:10px;
  background:var(--brand-050);
  color:var(--brand-800);
  font-size:14px;
  line-height:1.7;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);
  padding:64px 0 32px;
  margin-top:auto;
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
  padding-bottom:40px;
}
.footer-brand{
  color:#fff;
  font-size:17px;
  font-weight:700;
  line-height:1.6;
  margin-bottom:12px;
}
.footer-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:0;}
.footer-title{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
}
.footer-list{display:flex;flex-direction:column;gap:12px;}
.footer-list li{
  font-size:14px;
  color:rgba(255,255,255,.66);
  display:flex;
  align-items:flex-start;
  gap:8px;
  line-height:1.7;
}
.footer-list li i{font-size:13px;margin-top:4px;opacity:.8;}
.footer-list a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-list a:hover{color:#fff;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (min-width:992px) and (max-width:1199.98px){
  .side-nav{width:220px;}
  .site-wrap{margin-left:220px;}
  .container{padding-left:32px;padding-right:32px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0 64px;}
  .hero{padding:64px 0 56px;}
  .hero-grid{gap:40px;}
  .case-row{gap:40px;}
  .plan-grid{gap:40px;}
  .contact-grid{gap:32px;}
  .stat-band{padding:40px 28px;}
}
@media (max-width:1199.98px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-sub{max-width:none;}
  .hero-visual img{aspect-ratio:16/9;}
  .service-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0 64px;}
  .hero{padding:48px 0 40px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .stat-band{padding:36px 24px;}
  .case-row{grid-template-columns:1fr;gap:28px;}
  .case-row.reverse .case-media{order:1;}
  .case-row.reverse .case-text{order:2;}
  .case-row + .case-row{margin-top:48px;}
  .plan-grid{grid-template-columns:1fr;gap:28px;}
  .plan-sticky{position:static;}
  .contact-grid{grid-template-columns:1fr;gap:28px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767.98px){
  .section{padding:48px 0;}
  .service-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;row-gap:32px;}
  .hero-visual img{height:240px;aspect-ratio:auto;}
  .floating-card{position:static;width:100%;margin-top:14px;box-shadow:var(--sh-card);}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a-inner{font-size:14px;}
  .plan-item{grid-template-columns:52px 1fr;gap:12px;}
  .form-card{padding:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:479.98px){
  .section-title{font-size:22px;}
  .hero-actions .btn-main,
  .hero-actions .btn-ghost{width:100%;}
  .stat-grid{grid-template-columns:1fr;}
  .footer-grid{row-gap:28px;}
}

/* roulang page: article */
:root{
  --brand-900:#0A3350;
  --brand-800:#0B4467;
  --brand-600:#0E6B9B;
  --brand-500:#1583B8;
  --brand-050:#E8F2F8;
  --accent-500:#F2760C;
  --accent-050:#FFF2E4;
  --bg-page:#F5F8FB;
  --bg-surface:#FFFFFF;
  --text-900:#10222E;
  --text-600:#4A6273;
  --text-400:#8A9AA8;
  --line:#E3EBF2;
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-card:0 6px 24px rgba(10,51,80,.07);
  --shadow-hover:0 16px 36px rgba(10,51,80,.13);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-600);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--accent-500);}
h1,h2,h3,h4{margin:0;color:var(--text-900);font-weight:700;line-height:1.3;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 40px;}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{background:var(--brand-900);}
.side-nav-logo{display:block;height:96px;padding:22px 24px;border-bottom:1px solid rgba(255,255,255,.08);}
.side-nav-logo:hover{color:#fff;}
.logo-main{display:block;font-size:17px;font-weight:700;color:#fff;line-height:1.35;letter-spacing:.2px;}
.logo-sub{display:block;font-size:12px;color:rgba(255,255,255,.55);margin-top:5px;letter-spacing:.04em;}
.side-nav-links{list-style:none;margin:0;padding:16px 12px;display:flex;flex-direction:column;gap:4px;flex:1;}
.side-nav-link{
  display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;
  border-radius:10px;border-left:3px solid transparent;
  color:rgba(255,255,255,.78);font-size:15px;text-decoration:none;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.side-nav-link:hover{background:rgba(255,255,255,.08);color:#fff;}
.side-nav-link.active{background:rgba(255,255,255,.12);color:#fff;border-left-color:var(--accent-500);}
.nav-icon{color:var(--accent-500);font-size:12px;line-height:1;}
.side-nav-footer{padding:18px 24px;font-size:12px;color:rgba(255,255,255,.42);border-top:1px solid rgba(255,255,255,.08);letter-spacing:.04em;}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{background:#fff;}
.mobile-bar-inner{display:none;}
.mobile-brand{display:block;text-decoration:none;}
.mobile-brand span{display:block;}
.menu-toggle{border:0;background:transparent;}
.mobile-panel{display:none;}

/* ---------- 布局骨架 ---------- */
.page-main{padding:0 0 96px;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--text-400);
  padding:28px 0 20px;
}
.breadcrumb-bar a{color:var(--text-400);}
.breadcrumb-bar a:hover{color:var(--brand-600);}
.breadcrumb-bar .sep{color:#C4D2DC;}
.breadcrumb-bar .current{color:var(--text-900);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章壳 ---------- */
.article-shell{
  background:var(--bg-surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:44px 48px 40px;
}
.article-head{border-bottom:1px solid var(--line);padding-bottom:22px;}
.pill{
  display:inline-block;font-size:12px;font-weight:500;letter-spacing:.02em;
  color:var(--brand-600);background:var(--brand-050);
  border-radius:999px;padding:4px 12px;margin-bottom:16px;
}
.article-title{
  font-size:clamp(26px,3.2vw,36px);line-height:1.32;letter-spacing:-.4px;
  margin-bottom:16px;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:14px;color:var(--text-400);}
.article-meta i{color:var(--brand-500);margin-right:5px;}
.article-meta .dot{width:1px;height:12px;background:var(--line);display:inline-block;}

/* ---------- 封面 ---------- */
.article-cover{margin:32px 0 8px;}
.article-cover .cover-box{
  aspect-ratio:16/9;overflow:hidden;border-radius:var(--radius-card);
  background:#E8F0F6;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover figcaption{font-size:13px;color:var(--text-400);margin-top:12px;text-align:center;}

/* ---------- 正文 ---------- */
.article-content{max-width:780px;font-size:17px;line-height:1.95;color:var(--text-600);margin-top:32px;}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  font-size:clamp(20px,2.2vw,24px);
  border-left:4px solid var(--brand-600);
  padding-left:14px;
  margin:40px 0 16px;
  line-height:1.4;
}
.article-content h3{font-size:20px;margin:32px 0 14px;color:var(--text-900);}
.article-content h4{font-size:17px;margin:24px 0 12px;color:var(--text-900);}
.article-content ul,.article-content ol{padding-left:24px;margin:0 0 1.2em;line-height:1.9;}
.article-content li{margin-bottom:8px;}
.article-content blockquote{
  margin:24px 0;padding:16px 20px;
  background:var(--brand-050);border-left:4px solid var(--brand-600);
  border-radius:8px;color:var(--text-600);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--radius-sm);margin:24px auto 12px;}
.article-content a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--accent-500);}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;line-height:44px;text-align:left;}
.article-content th{background:#F1F5F9;color:var(--text-900);font-weight:600;}
.article-content strong{color:var(--text-900);}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:48px 24px;
  border:1px dashed #C9DAE5;border-radius:var(--radius-card);
  background:var(--bg-page);
}
.empty-state i{font-size:48px;color:rgba(14,107,155,.4);margin-bottom:16px;display:block;}
.empty-state .empty-title{font-size:15px;color:var(--text-900);font-weight:600;margin-bottom:6px;}
.empty-state .empty-sub{font-size:13px;color:var(--text-400);margin-bottom:18px;}

/* ---------- 标签与返回 ---------- */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);}
.article-tags .tag-label{font-size:13px;color:var(--text-400);margin-right:4px;}
.tag{
  display:inline-block;font-size:12px;letter-spacing:.02em;
  color:var(--brand-600);background:var(--brand-050);
  border-radius:999px;padding:5px 12px;
  transition:background var(--ease),color var(--ease);
}
.tag:hover{background:var(--accent-050);color:var(--accent-500);}
.article-back{display:flex;flex-wrap:wrap;gap:24px;margin-top:26px;font-size:14px;}
.article-back a{color:var(--brand-600);font-weight:600;}
.article-back a i{margin-right:6px;font-size:12px;}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0 0;}
.section-head{margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.4vw,28px);letter-spacing:-.3px;}
.section-head p{font-size:15px;color:var(--text-400);margin:10px 0 0;}

/* ---------- 继续查阅卡片 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--bg-surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  padding:26px;text-decoration:none;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.entry-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#D4E3EE;color:inherit;}
.entry-card .entry-ico{
  width:40px;height:40px;border-radius:12px;background:var(--brand-050);
  display:flex;align-items:center;justify-content:center;color:var(--brand-600);font-size:17px;
}
.entry-card h3{font-size:18px;}
.entry-card p{font-size:14px;line-height:1.75;color:var(--text-600);margin:0;}
.entry-card .entry-link{font-size:14px;font-weight:600;color:var(--brand-600);margin-top:4px;}
.entry-card:hover .entry-link{color:var(--accent-500);}

/* ---------- FAQ ---------- */
.faq-accordion{max-width:900px;}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;
}
.faq-accordion .accordion-button{
  position:relative;background:#fff;box-shadow:none;
  font-size:16px;font-weight:600;color:var(--text-900);
  padding:18px 22px;line-height:1.5;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand-600);background:#fff;box-shadow:none;}
.faq-accordion .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--brand-600);border-radius:0 3px 3px 0;
}
.faq-accordion .accordion-button::after{
  content:"+";background-image:none;transform:none;
  width:24px;height:24px;font-size:19px;font-weight:400;color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;margin-left:auto;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"−";}
.faq-accordion .accordion-body{
  padding:0 22px 20px;border-top:1px dashed var(--line);
  font-size:15px;line-height:1.9;color:var(--text-600);
}
.faq-accordion .accordion-body p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--brand-050);border-radius:20px;
  padding:40px 44px;margin-top:72px;
}
.cta-strip h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:10px;}
.cta-strip p{font-size:15px;color:var(--text-600);margin:0;max-width:620px;}
.cta-strip .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}

/* ---------- 按钮 ---------- */
.btn-brand,
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:all var(--ease);cursor:pointer;text-decoration:none;
}
.btn-brand{background:var(--brand-600);color:#fff;border:1px solid var(--brand-600);}
.btn-brand:hover{background:var(--brand-500);border-color:var(--brand-500);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(14,107,155,.24);}
.btn-brand:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--brand-600);border:1.5px solid var(--brand-600);}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-600);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.66);padding:64px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:0;max-width:340px;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.footer-list li{font-size:14px;color:rgba(255,255,255,.66);}
.footer-list a{color:rgba(255,255,255,.66);}
.footer-list a:hover{color:#fff;}
.footer-list i{width:18px;color:rgba(255,255,255,.45);margin-right:6px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:48px;padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (min-width:992px){
  .side-nav{
    position:fixed;top:0;left:0;width:248px;height:100vh;z-index:1040;
    display:flex;flex-direction:column;overflow-y:auto;
    border-right:1px solid rgba(255,255,255,.06);
  }
  .side-nav::-webkit-scrollbar{width:6px;}
  .side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:3px;}
  .page-main{margin-left:248px;}
  .mobile-bar-inner,.mobile-panel{display:none!important;}
}
@media (min-width:992px) and (max-width:1199.98px){
  .side-nav{width:220px;}
  .page-main{margin-left:220px;}
  .container{padding:0 32px;}
}
@media (max-width:991.98px){
  .side-nav{display:none;}
  .mobile-bar{position:sticky;top:0;z-index:1040;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(10,51,80,.08);}
  .mobile-bar-inner{display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 20px;}
  .mobile-brand span:first-child{font-size:17px;font-weight:700;color:var(--text-900);line-height:1.25;}
  .mobile-brand span:last-child{font-size:12px;color:var(--text-400);}
  .menu-toggle{
    width:40px;height:40px;border-radius:10px;cursor:pointer;
    color:var(--text-900);font-size:18px;display:flex;align-items:center;justify-content:center;
    transition:background var(--ease),color var(--ease);
  }
  .menu-toggle:hover{background:var(--brand-050);color:var(--brand-600);}
  .mobile-panel{display:block;max-height:0;overflow:hidden;transition:max-height var(--ease);background:#fff;}
  .mobile-panel.open{max-height:340px;border-top:1px solid var(--line);}
  .m-link{
    display:block;height:48px;line-height:48px;padding:0 20px;
    color:var(--text-600);font-size:15px;border-bottom:1px solid var(--line);
  }
  .m-link:hover{color:var(--brand-600);}
  .m-link.active{color:var(--brand-600);font-weight:600;box-shadow:inset 3px 0 0 var(--brand-600);}
  .container{padding:0 32px;}
  .article-shell{padding:32px 28px 30px;}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:32px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767.98px){
  .container{padding:0 20px;}
  .breadcrumb-bar{padding:20px 0 16px;}
  .breadcrumb-bar .current{max-width:180px;}
  .article-shell{padding:24px 20px 24px;}
  .article-cover{margin:24px 0 0;}
  .article-content{font-size:16px;margin-top:24px;}
  .article-content h2{margin-top:32px;}
  .article-content th,.article-content td{line-height:1.7;padding:10px;}
  .entry-grid{grid-template-columns:1fr;}
  .section{padding:48px 0 0;}
  .cta-strip{margin-top:48px;padding:26px 22px;}
  .cta-strip .cta-actions{width:100%;}
  .btn-brand,.btn-ghost{width:100%;}
  .faq-accordion .accordion-button{font-size:15px;padding:16px 18px;}
  .faq-accordion .accordion-body{padding:0 18px 18px;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0A3350;
  --brand-800:#0B4467;
  --brand-600:#0E6B9B;
  --brand-500:#1583B8;
  --brand-050:#E8F2F8;
  --accent-500:#F2760C;
  --accent-050:#FFF2E4;
  --bg-page:#F5F8FB;
  --bg-surface:#FFFFFF;
  --text-900:#10222E;
  --text-600:#4A6273;
  --text-400:#8A9AA8;
  --line:#E3EBF2;
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-card:0 6px 24px rgba(10,51,80,.07);
  --shadow-hover:0 16px 36px rgba(10,51,80,.13);
  --side-w:248px;
  --ease:200ms ease;
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-600);
  background:var(--bg-page);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;background:#E8F0F6;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease);}
a:hover{color:var(--accent-500);}
h1,h2,h3,h4{color:var(--text-900);margin:0;font-weight:700;letter-spacing:-0.2px;}
h1{font-size:clamp(30px,4vw,44px);line-height:1.25;font-weight:700;letter-spacing:-0.5px;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}

.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding-left:40px;
  padding-right:40px;
}

/* ============ 左侧导航 ============ */
.mobile-bar{position:relative;z-index:1040;}
.mobile-bar-inner{display:none;}
.side-nav{
  position:fixed;
  top:0;left:0;
  width:var(--side-w);
  height:100vh;
  background:var(--brand-900);
  border-right:1px solid rgba(255,255,255,.06);
  display:flex;
  flex-direction:column;
  padding-bottom:20px;
  overflow-y:auto;
  overflow-x:hidden;
  z-index:1040;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.22) transparent;
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.22);border-radius:6px;}
.side-nav-logo{
  display:block;
  padding:24px;
  min-height:96px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.side-nav-logo .logo-main{
  display:block;
  color:#fff;
  font-size:18px;
  font-weight:700;
  line-height:1.4;
  letter-spacing:-0.2px;
}
.side-nav-logo .logo-sub{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.side-nav-links{padding:18px 14px;flex:1;}
.side-nav-links li{margin-bottom:6px;}
.side-nav-link{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:46px;
  padding:0 14px;
  border-radius:10px;
  color:rgba(255,255,255,.78);
  font-size:15px;
  position:relative;
  transition:background var(--ease),color var(--ease);
}
.side-nav-link .nav-icon{font-size:12px;color:rgba(255,255,255,.35);transition:color var(--ease);}
.side-nav-link:hover{background:rgba(255,255,255,.08);color:#fff;}
.side-nav-link:hover .nav-icon{color:var(--accent-500);}
.side-nav-link.active{background:rgba(255,255,255,.12);color:#fff;font-weight:600;}
.side-nav-link.active .nav-icon{color:var(--accent-500);}
.side-nav-link.active::before{
  content:"";
  position:absolute;left:0;top:10px;bottom:10px;
  width:3px;border-radius:3px;
  background:var(--accent-500);
}
.side-nav-footer{
  margin:16px 14px 0;
  padding:14px 16px;
  border-radius:12px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
  color:rgba(255,255,255,.72);
  font-size:13px;
  line-height:1.7;
}
.mobile-panel{display:none;}

/* ============ 主内容 ============ */
.page-main{margin-left:var(--side-w);}
.section{padding:88px 0;}
.section.section-alt{background:var(--bg-surface);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand-600);
  background:var(--brand-050);
  border-radius:999px;
  padding:5px 12px;
  margin-bottom:14px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--text-600);margin:0;}

/* ============ 分类 Hero ============ */
.cat-hero{
  background-color:var(--bg-page);
  background-image:radial-gradient(rgba(14,107,155,.08) 1px,transparent 1px);
  background-size:22px 22px;
  border-bottom:1px solid var(--line);
  padding:52px 0 46px;
}
.cat-hero-inner{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
  min-height:280px;
}
.cat-hero-text h1{margin-bottom:18px;}
.cat-hero-text .lead{
  font-size:17px;
  line-height:1.85;
  color:var(--text-600);
  margin-bottom:20px;
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:500;
  letter-spacing:.02em;
  color:var(--brand-600);
  background:var(--brand-050);
  border-radius:999px;
  padding:5px 12px;
}
.tag-pill i{font-size:11px;color:var(--accent-500);}
.cat-hero-media{
  border-radius:16px;
  overflow:hidden;
  background:#E8F0F6;
  box-shadow:var(--shadow-card);
}
.cat-hero-media img{
  width:100%;
  height:260px;
  border-radius:16px;
}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-btn);
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  border:1.5px solid transparent;
  transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-main{background:var(--brand-600);color:#fff;}
.btn-main:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(10,51,80,.18);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--brand-600);color:var(--brand-600);}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-600);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-600);
}
.link-arrow i{font-size:12px;transition:transform var(--ease);}
.link-arrow:hover{color:var(--accent-500);text-decoration:underline;text-underline-offset:3px;}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ 步骤流程 ============ */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.flow-grid::before{
  content:"";
  position:absolute;
  top:20px;left:44px;right:44px;
  height:1px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);
}
.flow-item{position:relative;padding-right:8px;}
.flow-num{
  width:40px;height:40px;
  border-radius:50%;
  background:var(--brand-600);
  color:#fff;
  font-size:18px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
  position:relative;
  z-index:1;
  box-shadow:0 0 0 6px var(--bg-page);
}
.flow-item h3{font-size:18px;margin-bottom:10px;}
.flow-item p{font-size:15px;line-height:1.85;margin:0;}

/* ============ 图文双栏 ============ */
.split{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:56px;
  align-items:center;
}
.split-media{
  border-radius:16px;
  overflow:hidden;
  background:#E8F0F6;
  box-shadow:var(--shadow-card);
}
.split-media img{width:100%;height:340px;border-radius:16px;}
.split-text .tag-pill{margin-bottom:16px;}
.split-text h3{font-size:24px;margin-bottom:16px;line-height:1.35;}
.split-text p{font-size:16px;line-height:1.9;}
.check-list{margin:20px 0 24px;}
.check-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text-600);
  padding:8px 0;
  border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--brand-600);font-size:13px;margin-top:8px;}

/* ============ 入口卡片 ============ */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.entry-card{
  background:var(--bg-surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;
  flex-direction:column;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3E3EE;}
.entry-icon{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--brand-050);
  color:var(--brand-600);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  margin-bottom:18px;
}
.entry-card h3{font-size:18px;margin-bottom:10px;}
.entry-card p{font-size:15px;line-height:1.85;margin-bottom:20px;}
.entry-card .link-arrow{margin-top:auto;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq .accordion-item{
  background:var(--bg-surface);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq .accordion-item:hover{border-color:#D3E3EE;box-shadow:var(--shadow-card);}
.faq .accordion-header{margin:0;}
.faq .accordion-button{
  width:100%;
  background:var(--bg-surface);
  color:var(--text-900);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  padding:18px 20px;
  border:0;
  border-radius:12px;
  box-shadow:none;
  display:flex;
  align-items:center;
  gap:14px;
}
.faq .accordion-button:not(.collapsed){
  background:var(--bg-surface);
  color:var(--text-900);
  box-shadow:inset 3px 0 0 var(--brand-600);
}
.faq .accordion-button:focus{box-shadow:inset 3px 0 0 var(--brand-600);outline:none;}
.faq .accordion-button:focus-visible{outline:2px solid var(--brand-600);outline-offset:-2px;}
.faq .accordion-button::after{
  content:"+";
  display:flex;
  align-items:center;
  justify-content:center;
  width:28px;height:28px;
  flex:0 0 28px;
  margin-left:auto;
  border-radius:8px;
  background:var(--brand-050);
  background-image:none !important;
  color:var(--brand-600);
  font-size:18px;
  font-weight:600;
  line-height:1;
  transition:background var(--ease),color var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{
  content:"−";
  background:var(--brand-600);
  color:#fff;
  transform:none;
}
.faq .accordion-body{
  font-size:15px;
  line-height:1.9;
  color:var(--text-600);
  padding:14px 22px 20px 22px;
  border-top:1px dashed var(--line);
  margin:0 20px 0 20px;
  padding-left:0;
  padding-right:0;
}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--brand-050);
  border-radius:20px;
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
}
.cta-band h2{font-size:clamp(22px,2.2vw,28px);margin-bottom:10px;}
.cta-band p{margin:0;font-size:15px;color:var(--text-600);max-width:620px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-shrink:0;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  padding:64px 0 32px;
  color:rgba(255,255,255,.66);
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  color:#fff;
  font-size:17px;
  font-weight:700;
  margin-bottom:14px;
  line-height:1.5;
}
.footer-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:0;}
.footer-title{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
}
.footer-list li{margin-bottom:12px;}
.footer-list a,.footer-list li{
  font-size:14px;
  color:rgba(255,255,255,.66);
}
.footer-list a:hover{color:#fff;}
.footer-list i{width:18px;color:rgba(255,255,255,.45);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.5);
  flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .side-nav{width:220px;}
  .page-main{margin-left:220px;}
  .container{padding-left:32px;padding-right:32px;}
  .section{padding:64px 0;}
  .split{gap:36px;}
  .cta-band{padding:36px;}
}
@media (max-width:991.98px){
  .mobile-bar{position:sticky;top:0;background:#fff;box-shadow:0 2px 12px rgba(10,51,80,.08);z-index:1040;}
  .side-nav{display:none;}
  .page-main{margin-left:0;}
  .container{padding-left:20px;padding-right:20px;}
  .mobile-bar-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:60px;
    padding:0 20px;
    background:#fff;
    border-bottom:1px solid var(--line);
  }
  .mobile-brand{display:flex;flex-direction:column;line-height:1.25;}
  .mobile-brand span:first-child{font-size:18px;font-weight:700;color:var(--brand-900);}
  .mobile-brand span:last-child{font-size:12px;color:var(--text-400);}
  .menu-toggle{
    width:40px;height:40px;
    border:1px solid var(--line);
    border-radius:10px;
    background:#fff;
    color:var(--brand-900);
    font-size:16px;
    display:flex;align-items:center;justify-content:center;
    transition:background var(--ease);
  }
  .menu-toggle:hover{background:var(--brand-050);}
  .mobile-panel{
    display:block;
    max-height:0;
    overflow:hidden;
    background:#fff;
    transition:max-height 200ms ease;
    border-bottom:1px solid var(--line);
  }
  .mobile-panel.open{max-height:280px;}
  .m-link{
    display:flex;
    align-items:center;
    height:48px;
    padding:0 20px;
    font-size:15px;
    color:var(--text-600);
    border-bottom:1px solid var(--line);
  }
  .m-link.active{color:var(--brand-900);font-weight:600;box-shadow:inset 3px 0 0 var(--brand-600);background:var(--brand-050);}
  .cat-hero{padding:36px 0 32px;}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px;min-height:0;}
  .cat-hero-media img{height:220px;}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .flow-grid::before{display:none;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split-media img{height:280px;}
  .entry-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .section{padding:48px 0;}
  .flow-grid{grid-template-columns:1fr;gap:26px;}
  .flow-item{display:flex;gap:16px;align-items:flex-start;padding-right:0;}
  .flow-num{margin-bottom:0;flex:0 0 40px;}
  .flow-item .flow-body{flex:1;}
  .faq .accordion-button{font-size:15px;padding:16px 16px;}
  .faq .accordion-body{font-size:14px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .split-media img{height:230px;}
  .cta-band h2{font-size:22px;}
}
@media (max-width:479.98px){
  .btn-main,.btn-ghost{width:100%;}
  .cta-band .cta-actions{width:100%;}
  .section-head h2{font-size:22px;}
  .entry-card{padding:22px;}
}

/* roulang page: category2 */
:root{
  --brand-900:#0A3350;
  --brand-800:#0B4467;
  --brand-600:#0E6B9B;
  --brand-500:#1583B8;
  --brand-050:#E8F2F8;
  --accent-500:#F2760C;
  --accent-050:#FFF2E4;
  --bg-page:#F5F8FB;
  --bg-surface:#FFFFFF;
  --text-900:#10222E;
  --text-600:#4A6273;
  --text-400:#8A9AA8;
  --line:#E3EBF2;
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-card:0 6px 24px rgba(10,51,80,.07);
  --shadow-hover:0 16px 36px rgba(10,51,80,.13);
  --shadow-top:0 2px 12px rgba(10,51,80,.08);
  --ease:200ms ease;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--bg-page);
  color:var(--text-600);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;object-fit:cover;background:#E8F0F6;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--accent-500);}
h1,h2,h3,h4{color:var(--text-900);margin:0;letter-spacing:-0.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}

h1{font-size:clamp(30px,4vw,44px);line-height:1.25;font-weight:700;letter-spacing:-0.5px;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 容器 ---------- */
body .container{
  width:100%;
  max-width:1180px;
  padding-left:40px;
  padding-right:40px;
  margin-left:auto;
  margin-right:auto;
}

/* ---------- 左侧竖向导航 ---------- */
.mobile-bar{position:relative;}

.side-nav{
  position:fixed;
  top:0;
  left:0;
  width:248px;
  height:100vh;
  background:var(--brand-900);
  display:flex;
  flex-direction:column;
  padding:0 0 20px;
  border-right:1px solid rgba(255,255,255,.06);
  overflow-y:auto;
  z-index:1050;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.25) transparent;
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.22);border-radius:999px;}

.side-nav-logo{
  display:flex;
  flex-direction:column;
  justify-content:center;
  min-height:96px;
  padding:20px 24px;
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.side-nav-logo:hover{color:#fff;}
.logo-main{font-size:20px;font-weight:700;line-height:1.3;}
.logo-sub{font-size:13px;color:rgba(255,255,255,.55);margin-top:4px;letter-spacing:.02em;}

.side-nav-links{padding:18px 14px 6px;}
.side-nav-links li + li{margin-top:6px;}
.side-nav-link{
  display:flex;
  align-items:center;
  gap:10px;
  height:46px;
  padding:0 14px;
  border-radius:10px;
  color:rgba(255,255,255,.78);
  font-size:15px;
  position:relative;
  transition:background var(--ease),color var(--ease);
}
.side-nav-link .nav-icon{font-size:12px;opacity:.55;}
.side-nav-link:hover{background:rgba(255,255,255,.08);color:#fff;}
.side-nav-link.active{
  background:rgba(255,255,255,.12);
  color:#fff;
  font-weight:600;
}
.side-nav-link.active::before{
  content:"";
  position:absolute;
  left:0;
  top:10px;
  bottom:10px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--accent-500);
}

.side-nav-footer{
  margin:auto 14px 0;
  padding:16px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.66);
  font-size:13px;
  line-height:1.7;
}
.side-nav-footer strong{display:block;color:#fff;font-size:14px;margin-bottom:4px;font-weight:600;}
.side-nav-footer a{color:#fff;}

/* ---------- 移动端顶部导航 ---------- */
.mobile-bar-inner{
  display:none;
  align-items:center;
  justify-content:space-between;
  height:60px;
  padding:0 20px;
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:1040;
  box-shadow:var(--shadow-top);
}
.mobile-brand{display:flex;flex-direction:column;line-height:1.15;}
.mobile-brand span:first-child{font-size:18px;font-weight:700;color:var(--text-900);}
.mobile-brand span:last-child{font-size:12px;color:var(--text-400);}
.menu-toggle{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--brand-800);
  font-size:16px;
  transition:background var(--ease),color var(--ease);
}
.menu-toggle:hover{background:var(--brand-050);color:var(--brand-600);}

.mobile-panel{
  display:none;
  position:fixed;
  top:60px;
  left:0;
  right:0;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-card);
  opacity:0;
  transform:translateY(-8px);
  pointer-events:none;
  transition:opacity var(--ease),transform var(--ease);
  z-index:1039;
  max-height:calc(100vh - 60px);
  overflow-y:auto;
}
.mobile-panel.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.m-link{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 20px;
  font-size:15px;
  color:var(--text-600);
  border-bottom:1px solid var(--line);
}
.m-link:last-child{border-bottom:0;}
.m-link.active{
  color:var(--brand-600);
  font-weight:600;
  box-shadow:inset 3px 0 0 0 var(--brand-600);
  background:var(--brand-050);
}

/* ---------- 主内容 ---------- */
.site-main{margin-left:248px;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}

.section-head{max-width:720px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--brand-600);
  background:var(--brand-050);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:14px;
}
.section-head p{margin-top:14px;color:var(--text-600);}

/* ---------- Hero（居中） ---------- */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  background:#0A3350;
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.55;
}
.page-hero .hero-veil{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,51,80,.78),rgba(14,107,155,.62));
}
.page-hero .hero-inner{
  position:relative;
  z-index:2;
  text-align:center;
  padding-top:56px;
  padding-bottom:56px;
}
.page-hero .hero-tag{
  display:inline-block;
  font-size:12px;
  letter-spacing:.08em;
  color:#fff;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.25);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:18px;
}
.page-hero h1{color:#fff;max-width:900px;margin:0 auto;}
.page-hero .hero-sub{
  color:rgba(255,255,255,.86);
  max-width:660px;
  margin:18px auto 0;
  font-size:16px;
}

/* ---------- 信息表 ---------- */
.table-wrap{
  background:var(--bg-surface);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.info-table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
}
.info-table caption{
  caption-side:top;
  text-align:left;
  padding:20px 24px 4px;
  color:var(--text-400);
  font-size:13px;
}
.info-table th,
.info-table td{
  padding:16px 24px;
  text-align:left;
  vertical-align:top;
  border-bottom:1px solid var(--line);
}
.info-table thead th{
  background:var(--brand-050);
  color:var(--brand-800);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
}
.info-table tbody tr:nth-child(even){background:#FAFCFE;}
.info-table tbody tr:last-child td{border-bottom:0;}
.info-table td:first-child{color:var(--text-900);font-weight:600;width:38%;}
.info-table td .tip{display:block;font-size:13px;color:var(--text-400);font-weight:400;margin-top:2px;}

/* ---------- FAQ ---------- */
.faq-narrow{max-width:880px;margin:0 auto;}
.faq .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  margin-bottom:12px;
  overflow:hidden;
}
.faq .accordion-item:last-child{margin-bottom:0;}
.faq .accordion-button{
  background:#fff;
  color:var(--text-900);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  padding:18px 22px;
  border:0;
  box-shadow:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  transition:background var(--ease),color var(--ease);
}
.faq .accordion-button:not(.collapsed){
  background:#fff;
  color:var(--text-900);
  box-shadow:inset 3px 0 0 0 var(--brand-600);
}
.faq .accordion-button:hover{background:#FAFCFE;}
.faq .accordion-button:focus{box-shadow:none;border:0;outline:2px solid var(--brand-600);outline-offset:-2px;}
.faq .accordion-button::after{
  content:"+";
  background-image:none;
  width:auto;
  height:auto;
  font-size:20px;
  font-weight:400;
  color:var(--brand-600);
  transform:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  transition:color var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:none;
  color:var(--accent-500);
}
.faq .accordion-body{
  padding:0 22px 20px;
  border-top:1px dashed var(--line);
  margin-top:-1px;
  padding-top:16px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-600);
}

/* ---------- 相关入口长卡 ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.entry-card{
  display:flex;
  gap:20px;
  background:var(--bg-surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-card);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.entry-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#D3E2EC;}
.entry-thumb{
  flex:0 0 132px;
  width:132px;
  height:112px;
  border-radius:var(--radius-sm);
  overflow:hidden;
  background:#E8F0F6;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;}
.entry-body{min-width:0;}
.entry-icon{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--brand-050);
  color:var(--brand-600);
  font-size:15px;
  margin-bottom:10px;
}
.entry-body h3{font-size:18px;margin-bottom:8px;}
.entry-body p{font-size:14px;line-height:1.75;color:var(--text-600);margin-bottom:12px;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-600);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-color:transparent;
  transition:color var(--ease),text-decoration-color var(--ease);
}
.text-link:hover{color:var(--accent-500);text-decoration-color:var(--accent-500);}

/* ---------- 联系方式条 ---------- */
.contact-strip{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  background:var(--bg-surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 28px;
  box-shadow:var(--shadow-card);
}
.contact-item{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:200px;
}
.contact-item .ci-icon{
  width:40px;height:40px;
  flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--accent-050);
  color:var(--accent-500);
  font-size:16px;
}
.contact-item .ci-label{display:block;font-size:12px;color:var(--text-400);letter-spacing:.02em;}
.contact-item .ci-value{display:block;font-size:15px;color:var(--text-900);font-weight:600;word-break:break-all;}

/* ---------- 底部 CTA 条 ---------- */
.cta-band{
  background:var(--brand-050);
  border-radius:20px;
  padding:36px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);}
.cta-band p{margin-top:10px;max-width:640px;font-size:15px;color:var(--text-600);}

/* ---------- 按钮 ---------- */
.btn-primary-solid{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:0;
  border-radius:var(--radius-btn);
  background:var(--brand-600);
  color:#fff;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary-solid:hover{
  background:var(--brand-500);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(14,107,155,.28);
}
.btn-primary-solid:active{transform:translateY(0);box-shadow:none;}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:1.5px solid var(--brand-600);
  border-radius:var(--radius-btn);
  background:transparent;
  color:var(--brand-600);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-800);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.66);
  padding:64px 0 32px;
  margin-left:248px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-text{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;font-size:14px;}
.footer-list li:last-child{margin-bottom:0;}
.footer-list a{color:rgba(255,255,255,.66);}
.footer-list a:hover{color:#fff;}
.footer-list i{margin-right:8px;color:rgba(255,255,255,.45);}
.footer-bottom{
  margin-top:44px;
  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;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .side-nav{width:220px;}
  .site-main{margin-left:220px;}
  .site-footer{margin-left:220px;}
  body .container{padding-left:32px;padding-right:32px;}
  .section{padding:64px 0;}
}

@media (max-width:991.98px){
  .side-nav{display:none;}
  .mobile-bar-inner{display:flex;}
  .mobile-panel{display:block;}
  .site-main{margin-left:0;}
  .site-footer{margin-left:0;}
  .page-hero{min-height:260px;}
  .entry-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}
}

@media (max-width:767.98px){
  body{font-size:15px;}
  body .container{padding-left:20px;padding-right:20px;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .page-hero{min-height:240px;}
  .page-hero .hero-inner{padding-top:44px;padding-bottom:44px;}
  .page-hero .hero-sub{font-size:15px;}
  .faq .accordion-button{font-size:15px;padding:16px 18px;}
  .faq .accordion-body{font-size:14px;padding-left:18px;padding-right:18px;}
  .info-table{border:0;}
  .info-table caption{padding:16px 18px 2px;}
  .info-table thead{display:none;}
  .info-table tbody tr{
    display:block;
    border-bottom:1px solid var(--line);
    padding:6px 0;
  }
  .info-table tbody tr:last-child{border-bottom:0;}
  .info-table tbody tr:nth-child(even){background:#FAFCFE;}
  .info-table td{display:block;width:100%!important;border-bottom:0;padding:8px 18px;}
  .info-table td:first-child{padding-top:14px;}
  .info-table td:last-child{padding-bottom:14px;}
  .entry-card{flex-direction:column;}
  .entry-thumb{width:100%;flex:none;height:160px;}
  .contact-strip{flex-direction:column;align-items:flex-start;gap:20px;padding:22px;}
  .contact-item{width:100%;}
  .cta-band{padding:28px 22px;}
  .cta-band .btn-primary-solid{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:479.98px){
  .section-head h2,h2{font-size:22px;}
  .btn-primary-solid,.btn-ghost{width:100%;}
  .cta-band{align-items:stretch;}
}