/* roulang page: index */
:root{
  --c-primary:#1E5AA8;--c-primary-700:#143E75;--c-primary-050:#EAF1FA;
  --c-accent:#E8802B;--c-accent-2:#16A394;
  --c-bg:#F5F7FA;--c-surface:#FFFFFF;--c-surface-2:#EEF2F7;
  --c-line:#E3E9F1;--c-text:#17202B;--c-text-2:#55647A;--c-text-3:#8593A6;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  --r-card:16px;--r-btn:10px;--r-img:16px;--r-hero:20px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(23,32,43,.05),0 8px 24px -12px rgba(23,32,43,.18);
  --sh-2:0 12px 32px -14px rgba(23,32,43,.28);
  --sh-focus:0 0 0 3px rgba(30,90,168,.18);
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.85;
  color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-primary-700);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num,.time-chip,.price,time{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ============ 通用按钮 ============ */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px -12px rgba(30,90,168,.9);}
.btn-main:hover{background:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-700);}
.btn-ghost:active{transform:translateY(1px);}
.btn-line{background:transparent;color:var(--c-text-2);border-color:var(--c-line);}
.btn-line:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-050);}
.btn-block{width:100%;}

/* ============ 顶部导航 ============ */
.site-head{
  position:sticky;top:0;z-index:1030;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.site-head.is-stuck{box-shadow:var(--sh-1);}
.nav-shell{display:flex;align-items:center;justify-content:space-between;height:64px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:block;flex:0 0 auto;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-700));
  position:relative;overflow:hidden;
}
.brand-mark::before{content:"";position:absolute;width:16px;height:16px;border-radius:4px;background:rgba(255,255,255,.92);top:10px;left:10px;transform:rotate(12deg);}
.brand-mark::after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--c-accent);right:5px;bottom:5px;}
.brand-text{font-size:17px;font-weight:700;color:var(--c-text);letter-spacing:.2px;white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:4px;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-link{
  display:inline-flex;align-items:center;min-height:44px;padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--c-text-2);position:relative;
}
.nav-link:hover{background:var(--c-surface-2);color:var(--c-primary);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.nav-cta{margin-left:10px;min-height:44px;padding:12px 20px;font-size:15px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:var(--c-surface);
  border-radius:var(--r-btn);padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-text);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ Hero ============ */
.hero{position:relative;background:var(--c-bg);padding:64px 0 80px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(30,90,168,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(30,90,168,.045) 1px,transparent 1px);
  background-size:52px 52px;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:560px;height:560px;border-radius:50%;top:-220px;left:-160px;
  background:radial-gradient(circle,rgba(30,90,168,.08),rgba(30,90,168,0) 68%);pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:36px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:8px;background:var(--c-primary-050);color:var(--c-primary);
  font-size:14px;font-weight:600;padding:7px 14px;border-radius:var(--r-pill);line-height:1;
}
.badge-soft .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.hero h1{font-size:34px;line-height:1.24;margin:22px 0 16px;font-weight:700;}
.hero-sub{font-size:17px;color:var(--c-text-2);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;padding-top:26px;border-top:1px solid var(--c-line);}
.hero-facts li{display:flex;align-items:center;gap:10px;min-width:200px;}
.fact-ico{
  width:36px;height:36px;border-radius:10px;background:var(--c-surface);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:15px;flex:0 0 auto;
}
.fact-body{display:flex;flex-direction:column;line-height:1.4;}
.fact-label{font-size:13px;color:var(--c-text-3);}
.fact-value{font-size:15px;font-weight:600;color:var(--c-text);font-variant-numeric:tabular-nums;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-hero);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);background:var(--c-surface-2);
}
.media-card{
  position:absolute;right:16px;bottom:16px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:14px;box-shadow:var(--sh-1);padding:14px 18px;max-width:230px;
}
.media-card strong{display:block;font-size:16px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.media-card span{font-size:13px;color:var(--c-text-2);}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:var(--c-surface);}
.section-head{max-width:720px;margin-bottom:40px;}
.eyebrow{font-size:14px;font-weight:600;color:var(--c-primary);letter-spacing:.4px;}
.section-head h2{font-size:26px;line-height:1.3;margin:12px 0 12px;font-weight:700;}
.section-head p{font-size:16px;color:var(--c-text-2);}

/* ============ 亮点条 ============ */
.hl-strip{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:8px 0;
}
.hl-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;}
.hl-item{padding:24px 22px;border-top:1px solid var(--c-line);}
.hl-item:nth-child(1),.hl-item:nth-child(2){border-top:none;}
.hl-ico{
  width:40px;height:40px;border-radius:12px;background:var(--c-primary-050);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;margin-bottom:14px;
}
.hl-item h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.hl-item p{font-size:14px;color:var(--c-text-2);line-height:1.7;}

/* ============ 时间线 ============ */
.timeline{position:relative;max-width:1000px;margin:0 auto;padding:6px 0;}
.timeline::before{content:"";position:absolute;left:6px;top:0;bottom:0;width:2px;background:var(--c-line);}
.tl-item{position:relative;padding-left:36px;margin-bottom:22px;}
.tl-dot{
  position:absolute;left:0;top:26px;width:14px;height:14px;border-radius:50%;
  background:var(--c-primary);border:3px solid var(--c-surface);box-shadow:0 0 0 1px var(--c-line);
}
.tl-item.is-now .tl-dot{background:var(--c-accent);}
.tl-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;transition:box-shadow .2s ease,transform .2s ease;
}
.tl-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.time-chip{
  display:inline-block;background:var(--c-surface-2);color:var(--c-primary-700);
  font-size:13px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);margin-bottom:12px;
}
.tl-card h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.tl-host{font-size:13px;color:var(--c-text-2);margin-bottom:8px;}
.tl-card p{font-size:15px;color:var(--c-text-2);line-height:1.8;}

/* ============ 人物卡 ============ */
.grid-3{display:grid;grid-template-columns:1fr;gap:16px;}
.person-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .22s ease,transform .22s ease;
}
.person-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.person-thumb{overflow:hidden;background:var(--c-surface-2);}
.person-thumb img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.person-card:hover .person-thumb img{transform:scale(1.03);}
.person-body{padding:22px 24px 26px;}
.person-body h3{font-size:18px;font-weight:600;margin-bottom:4px;}
.person-role{font-size:13px;color:var(--c-text-2);margin-bottom:10px;}
.person-body p{font-size:14px;color:var(--c-text-2);line-height:1.75;}

/* ============ 票种 ============ */
.tickets{display:grid;grid-template-columns:1fr;gap:20px;align-items:stretch;}
.ticket{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:28px;display:flex;flex-direction:column;transition:box-shadow .22s ease,transform .22s ease;
}
.ticket:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.ticket.is-featured{border:2px solid var(--c-primary);box-shadow:var(--sh-2);}
.ticket-flag{
  position:absolute;top:-13px;left:28px;background:var(--c-accent);color:#fff;font-size:13px;font-weight:600;
  padding:5px 14px;border-radius:var(--r-pill);line-height:1.4;
}
.ticket h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.ticket-desc{font-size:14px;color:var(--c-text-2);margin-bottom:18px;}
.price{font-size:32px;font-weight:700;color:var(--c-text);line-height:1.1;}
.price small{font-size:14px;font-weight:500;color:var(--c-text-3);margin-left:6px;}
.ticket ul{margin:22px 0 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.ticket li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2);line-height:1.6;}
.ticket li .ok{color:var(--c-accent-2);font-weight:700;}
.ticket li .no{color:var(--c-text-3);font-weight:700;}

/* ============ 资讯列表 ============ */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.chip{
  display:inline-flex;align-items:center;min-height:40px;padding:8px 18px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);font-size:14px;color:var(--c-text-2);
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
.news-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;color:inherit;
  transition:box-shadow .22s ease,transform .22s ease;
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);color:inherit;}
.news-thumb{background:var(--c-surface-2);overflow:hidden;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.tag{
  align-self:flex-start;background:var(--c-primary-050);color:var(--c-primary);font-size:12px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:14px;line-height:1.4;
}
.news-title{
  font-size:17px;font-weight:600;line-height:1.55;margin-bottom:10px;transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--c-primary);}
.news-desc{
  font-size:14px;color:var(--c-text-2);line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:14px;
  border-top:1px solid var(--c-line);font-size:13px;color:var(--c-text-3);
}
.news-meta .arrow{transition:transform .2s ease;font-size:15px;color:var(--c-primary);}
.news-card:hover .news-meta .arrow{transform:translateX(2px);}
.news-empty{
  border:1px dashed var(--c-line);border-radius:var(--r-card);padding:56px 24px;text-align:center;background:var(--c-surface);
}
.news-empty .empty-ico{
  width:52px;height:52px;border-radius:50%;background:var(--c-primary-050);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;
}
.news-empty p{font-size:15px;color:var(--c-text-2);margin-bottom:16px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.accordion-item{border:none;background:transparent;margin-bottom:0;}
.accordion-button{
  width:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  padding:20px 56px 20px 22px;font-size:17px;font-weight:600;color:var(--c-primary);text-align:left;
  box-shadow:var(--sh-1);position:relative;transition:background-color .2s ease,border-color .2s ease;
}
.accordion-button:not(.collapsed){background:var(--c-primary-050);border-color:var(--c-primary);border-left:4px solid var(--c-primary);}
.accordion-button:focus{box-shadow:var(--sh-focus);z-index:2;}
.accordion-button::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--c-primary);background:none;width:auto;height:auto;line-height:1;
}
.accordion-button:not(.collapsed)::after{content:"−";}
.accordion-body{
  background:var(--c-surface);border:1px solid var(--c-line);border-top:none;border-radius:0 0 14px 14px;
  padding:18px 24px 22px;font-size:15px;color:var(--c-text-2);line-height:1.85;
}

/* ============ 报名 CTA ============ */
.cta-band{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:20px;box-shadow:var(--sh-1);
  padding:56px 28px;text-align:center;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;width:380px;height:380px;border-radius:50%;right:-140px;bottom:-180px;
  background:radial-gradient(circle,rgba(30,90,168,.09),rgba(30,90,168,0) 70%);
}
.cta-band h2{font-size:27px;line-height:1.32;margin-bottom:14px;}
.cta-band p{font-size:16px;color:var(--c-text-2);max-width:620px;margin:0 auto;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;position:relative;z-index:1;}
.cta-note{font-size:13px;color:var(--c-text-3);margin-top:18px;font-variant-numeric:tabular-nums;}
.cta-note span{display:inline-block;margin:0 8px;}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;grid-template-columns:1fr;gap:1px;background:var(--c-line);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.stat-cell{background:var(--c-surface);padding:26px 24px;}
.stat-cell strong{display:block;font-size:26px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-cell span{font-size:14px;color:var(--c-text-2);}

/* ============ 次导航条 ============ */
.subnav{background:var(--c-surface);border-top:1px solid var(--c-line);padding:26px 0;}
.subnav-inner{display:flex;gap:12px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin;}
.subnav-inner a{
  flex:0 0 auto;display:inline-flex;align-items:center;min-height:44px;padding:10px 20px;border-radius:var(--r-pill);
  background:var(--c-surface-2);color:var(--c-text-2);font-size:14px;white-space:nowrap;
}
.subnav-inner a:hover{background:var(--c-primary-050);color:var(--c-primary);}

/* ============ 页脚 ============ */
.site-foot{background:var(--c-surface-2);border-top:1px solid var(--c-line);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px;}
.foot-brand .brand{margin-bottom:16px;}
.foot-brand p{font-size:14px;color:var(--c-text-2);line-height:1.85;max-width:340px;}
.foot-col h3{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--c-text);}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a,.foot-col li{font-size:14px;color:var(--c-text-2);}
.foot-col a:hover{color:var(--c-primary);}
.foot-bottom{
  margin-top:52px;border-top:1px solid var(--c-line);padding:20px 0;display:flex;flex-wrap:wrap;
  gap:10px;justify-content:space-between;align-items:center;
}
.foot-bottom p{font-size:13px;color:var(--c-text-3);}

/* ============ 响应式 ============ */
@media (min-width:576px){
  .hl-grid{grid-template-columns:1fr 1fr;}
  .grid-3{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .stat-bar{grid-template-columns:1fr 1fr;}
  .hero h1{font-size:38px;}
}
@media (min-width:768px){
  .tickets{grid-template-columns:1fr 1fr;}
  .grid-3{grid-template-columns:1fr 1fr 1fr;}
  .stat-bar{grid-template-columns:1fr 1fr 1fr 1fr;}
}
@media (min-width:992px){
  :root{--sec-pad:88px;}
  .hero{padding:76px 0 92px;}
  .hero-grid{grid-template-columns:7fr 5fr;gap:52px;align-items:center;}
  .hero h1{font-size:44px;line-height:1.2;}
  .hl-grid{grid-template-columns:repeat(4,1fr);}
  .hl-item{border-top:none;border-left:1px solid var(--c-line);}
  .hl-item:nth-child(1){border-left:none;}
  .news-grid{grid-template-columns:repeat(3,1fr);}
  .tickets{grid-template-columns:repeat(3,1fr);gap:24px;}
  .ticket.is-featured{transform:translateY(-8px);}
  .ticket.is-featured:hover{transform:translateY(-10px);}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
  /* 时间线中轴交替 */
  .timeline::before{left:50%;transform:translateX(-1px);}
  .tl-item{display:grid;grid-template-columns:1fr 76px 1fr;padding-left:0;align-items:start;margin-bottom:8px;}
  .tl-item .tl-card{grid-column:1;grid-row:1;margin-bottom:26px;}
  .tl-item:nth-child(even) .tl-card{grid-column:3;}
  .tl-dot{position:relative;left:auto;top:auto;grid-column:2;grid-row:1;justify-self:center;margin-top:26px;width:12px;height:12px;}
  .tl-item::after{content:"";grid-column:2;grid-row:1;justify-self:center;width:2px;background:var(--c-line);margin-top:38px;height:calc(100% - 30px);}
  .tl-item:last-child::after{display:none;}
}
@media (max-width:991.98px){
  :root{--sec-pad:64px;}
  .nav-toggle{display:flex;}
  .nav-main{
    position:absolute;top:calc(100% + 8px);left:16px;right:16px;flex-direction:column;align-items:stretch;
    gap:0;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    box-shadow:var(--sh-2);padding:10px;display:none;
  }
  .nav-main.is-open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{min-height:48px;font-size:16px;border-bottom:1px solid var(--c-line);border-radius:8px;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:var(--c-primary-050);}
  .nav-cta{margin:14px 6px 6px;justify-content:center;}
}
@media (max-width:575.98px){
  :root{--sec-pad:48px;}
  body{font-size:15px;line-height:1.8;}
  .hero{padding:48px 0 56px;}
  .hero h1{font-size:28px;line-height:1.28;}
  .hero-sub{font-size:15px;}
  .section-head h2,.cta-band h2{font-size:22px;}
  .tl-card h3{font-size:17px;}
  .hl-item{padding:20px 16px;}
  .brand-text{font-size:15px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
}

/* roulang page: article */
:root{
  --c-primary:#1E5AA8;
  --c-primary-700:#143E75;
  --c-primary-050:#EAF1FA;
  --c-accent:#E8802B;
  --c-accent-2:#16A394;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF2F7;
  --c-line:#E3E9F1;
  --c-text:#17202B;
  --c-text-2:#55647A;
  --c-text-3:#8593A6;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  --r-card:16px;
  --r-btn:10px;
  --r-img:16px;
  --r-hero:20px;
  --sh-1:0 1px 2px rgba(23,32,43,.05), 0 8px 24px -12px rgba(23,32,43,.18);
  --sh-2:0 12px 32px -14px rgba(23,32,43,.28);
  --sh-focus:0 0 0 3px rgba(30,90,168,.18);
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:1px solid var(--c-line);}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-primary-700);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
table{width:100%;border-collapse:collapse;}
:focus-visible{outline:3px solid rgba(30,90,168,.45);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ============ 导航 ============ */
.site-head{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-head.is-scrolled{box-shadow:var(--sh-1);}
.nav-shell{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-text);
  font-weight:700;
  font-size:17px;
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--c-primary);
  position:relative;
  flex:0 0 auto;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:8px;top:8px;
  width:8px;height:18px;
  border-radius:3px;
  background:#fff;
  opacity:.92;
}
.brand-mark::after{
  content:"";
  position:absolute;
  right:8px;top:8px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--c-accent);
}
.nav-main{display:flex;align-items:center;gap:14px;}
.nav-list{display:flex;align-items:center;gap:2px;margin:0;}
.nav-link{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:10px 14px;
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  position:relative;
}
.nav-link:hover{background:var(--c-surface-2);color:var(--c-primary);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-050);}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 24px;
  background:var(--c-primary);
  color:#fff;
  border:0;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 24px;
  background:transparent;
  color:var(--c-primary);
  border:1.5px solid var(--c-primary);
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-700);transform:translateY(-1px);}
.btn-quiet{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 4px;
  color:var(--c-primary);
  font-size:15px;
  font-weight:600;
  background:none;
  border:0;
}
.btn-quiet:hover{text-decoration:underline;color:var(--c-primary-700);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:var(--c-surface);
  padding:12px 11px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  height:2px;
  background:var(--c-text);
  border-radius:2px;
  margin:0 0 5px;
}
.nav-toggle span:last-child{margin-bottom:0;}

@media (max-width:991px){
  .nav-toggle{display:block;}
  .nav-main{
    position:absolute;
    left:16px;right:16px;top:60px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:10px 12px 16px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:16px;
    box-shadow:var(--sh-2);
  }
  .nav-main.is-open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%;}
  .nav-list li + li{border-top:1px solid var(--c-line);}
  .nav-link{width:100%;min-height:48px;font-size:16px;border-radius:10px;}
  .nav-cta{width:100%;margin-top:10px;}
}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:14px 0;
  font-size:14px;
  color:var(--c-text-2);
}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb-sep{color:var(--c-text-3);}
.crumb .is-now{color:var(--c-primary);font-weight:600;}

/* ============ 文章布局 ============ */
.article-page{padding:48px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:32px;
}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;}
}
.article-panel{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:32px 28px 40px;
}
@media (min-width:768px){.article-panel{padding:44px 48px 56px;}}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:999px;
  background:var(--c-primary-050);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
  line-height:1.6;
}
.tag--accent{background:#FDF1E5;color:#B95F13;}
.tag--teal{background:#E4F5F2;color:#0E7C71;}
.article-title{
  font-size:32px;
  line-height:1.28;
  font-weight:700;
  color:var(--c-text);
  margin-bottom:18px;
}
@media (min-width:992px){.article-title{font-size:40px;}}
@media (max-width:575px){.article-title{font-size:26px;}}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  padding:14px 0 20px;
  border-bottom:1px solid var(--c-line);
  font-size:14px;
  color:var(--c-text-2);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta b{font-weight:600;color:var(--c-text);font-variant-numeric:tabular-nums;}
.meta-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent-2);display:inline-block;}
.article-cover{
  margin:26px 0 8px;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:var(--c-surface-2);
}
.article-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border:0;
  border-radius:0;
}
.article-cover figcaption{
  font-size:13px;
  color:var(--c-text-3);
  text-align:center;
  padding:10px 12px;
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
}

/* ============ 正文排版 ============ */
.article-body{
  max-width:820px;
  margin:0 auto;
  font-size:16px;
  line-height:1.9;
  color:var(--c-text);
  word-break:break-word;
  overflow-wrap:anywhere;
}
.article-body > *:first-child{margin-top:28px;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:16px;
  font-size:24px;
  line-height:1.45;
  font-weight:700;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;
  width:4px;height:1.05em;
  border-radius:3px;
  background:var(--c-primary);
}
.article-body h3{
  margin:28px 0 12px;
  font-size:19px;
  line-height:1.5;
  font-weight:600;
}
.article-body h4{
  margin:22px 0 10px;
  font-size:17px;
  font-weight:600;
  color:var(--c-text-2);
}
.article-body ul,.article-body ol{
  margin:0 0 1.3em;
  padding-left:4px;
}
.article-body li{
  position:relative;
  padding-left:22px;
  margin-bottom:.55em;
  line-height:1.85;
}
.article-body ul > li::before{
  content:"";
  position:absolute;
  left:4px;top:.72em;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--c-accent-2);
}
.article-body ol{counter-reset:atc;}
.article-body ol > li{counter-increment:atc;}
.article-body ol > li::before{
  content:counter(atc);
  position:absolute;
  left:0;top:.18em;
  min-width:18px;height:18px;
  padding:0 4px;
  border-radius:999px;
  background:var(--c-primary-050);
  color:var(--c-primary);
  font-size:12px;
  line-height:18px;
  text-align:center;
  font-weight:700;
}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  background:var(--c-surface-2);
  border-left:4px solid var(--c-accent-2);
  border-radius:0 12px 12px 0;
  color:var(--c-text-2);
  font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  margin:24px 0 8px;
  border-radius:var(--r-img);
  border:1px solid var(--c-line);
}
.article-body figure{margin:26px 0;}
.article-body figure img{margin-bottom:10px;}
.article-body figcaption{
  font-size:13px;
  color:var(--c-text-3);
  text-align:center;
}
.article-body a{
  color:var(--c-primary);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body a:hover{color:var(--c-primary-700);}
.article-body strong{font-weight:700;}
.article-body table{
  margin:24px 0;
  font-size:15px;
  border:1px solid var(--c-line);
  border-radius:12px;
  overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--c-line);
  text-align:left;
}
.article-body th{background:var(--c-surface-2);font-weight:600;}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{
  margin:34px 0;
  border:0;
  border-top:1px solid var(--c-line);
}
.article-body pre{
  margin:22px 0;
  padding:16px 18px;
  background:#0F1A26;
  color:#E7EEF6;
  border-radius:12px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}

/* ============ 空态 ============ */
.article-empty{
  max-width:820px;
  margin:36px auto 0;
  padding:48px 24px;
  text-align:center;
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-surface-2);
}
.article-empty .empty-icon{
  width:52px;height:52px;
  margin:0 auto 18px;
  border-radius:14px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  position:relative;
}
.article-empty .empty-icon::before,
.article-empty .empty-icon::after{
  content:"";
  position:absolute;
  background:var(--c-primary);
  opacity:.55;
  border-radius:2px;
}
.article-empty .empty-icon::before{left:14px;top:16px;width:24px;height:3px;}
.article-empty .empty-icon::after{left:14px;top:26px;width:16px;height:3px;}
.article-empty h2{font-size:20px;font-weight:600;margin-bottom:10px;}
.article-empty p{color:var(--c-text-2);font-size:15px;margin-bottom:22px;}

/* ============ 侧栏 ============ */
.aside-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:24px;
  margin-bottom:22px;
}
.aside-card h2{
  font-size:17px;
  font-weight:700;
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--c-line);
}
.aside-list li + li{border-top:1px solid var(--c-line);}
.aside-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:44px;
  padding:10px 0;
  font-size:15px;
  color:var(--c-text-2);
}
.aside-list a:hover{color:var(--c-primary);}
.aside-list a span:last-child{color:var(--c-text-3);font-size:13px;}
.aside-facts li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:11px 0;
  font-size:14px;
  color:var(--c-text-2);
  border-bottom:1px dashed var(--c-line);
}
.aside-facts li:last-child{border-bottom:0;}
.aside-facts b{color:var(--c-text);font-weight:600;font-variant-numeric:tabular-nums;}
.aside-cta{
  background:var(--c-primary-050);
  border:1px solid #D6E4F5;
  border-radius:var(--r-card);
  padding:24px;
  text-align:center;
}
.aside-cta h2{font-size:17px;font-weight:700;margin-bottom:8px;}
.aside-cta p{font-size:14px;color:var(--c-text-2);margin-bottom:16px;}
@media (max-width:1199px){
  .article-aside{margin-top:4px;}
}

/* ============ 相关推荐 ============ */
.related{padding:56px 0 0;}
.sec-head{margin-bottom:26px;}
.sec-head h2{font-size:26px;font-weight:700;line-height:1.35;}
@media (max-width:575px){.sec-head h2{font-size:22px;}}
.sec-head p{margin-top:8px;font-size:15px;color:var(--c-text-2);}
.related-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
@media (min-width:576px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.related-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.news-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .25s ease,transform .25s ease;
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.news-card .thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--c-surface-2);
}
.news-card .thumb img{
  width:100%;height:100%;
  object-fit:cover;border:0;border-radius:0;
  transition:transform .35s ease;
}
.news-card:hover .thumb img{transform:scale(1.03);}
.news-card .card-body{
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  padding:22px 22px 20px;
}
.news-card .card-body h3{
  margin:12px 0 0;
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  transition:color .2s ease;
}
.news-card:hover .card-body h3{color:var(--c-primary);}
.news-card .card-body p{
  margin-top:10px;
  font-size:14px;
  line-height:1.75;
  color:var(--c-text-2);
  flex:1 1 auto;
}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-3);
  font-variant-numeric:tabular-nums;
}
.card-foot .go{color:var(--c-primary);font-weight:600;transition:transform .2s ease;}
.news-card:hover .card-foot .go{transform:translateX(2px);}

/* ============ 返回 / CTA ============ */
.back-wrap{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid var(--c-line);
}
.cta-strip{
  margin-top:56px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:34px 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.cta-strip h2{font-size:22px;font-weight:700;line-height:1.4;}
.cta-strip p{margin-top:8px;font-size:15px;color:var(--c-text-2);}
.cta-strip .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 分类快捷条 ============ */
.quick-strip{
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  padding:26px 0;
}
.quick-inner{
  display:flex;
  align-items:center;
  gap:16px;
  overflow-x:auto;
  scrollbar-width:thin;
}
.quick-label{
  flex:0 0 auto;
  font-size:14px;
  font-weight:600;
  color:var(--c-text-2);
}
.quick-chips{display:flex;gap:10px;flex:0 0 auto;}
.chip{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:9px 18px;
  border-radius:999px;
  background:var(--c-surface-2);
  color:var(--c-text-2);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  border:1px solid transparent;
  transition:all .2s ease;
}
.chip:hover{background:var(--c-primary-050);color:var(--c-primary);border-color:#D6E4F5;}

/* ============ 页脚 ============ */
.site-foot{
  background:var(--c-surface-2);
  border-top:1px solid var(--c-line);
  padding:56px 0 0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  padding-bottom:36px;
}
@media (min-width:576px){.foot-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;}}
.foot-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:var(--c-text-2);
  max-width:360px;
}
.foot-col h3{
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
  color:var(--c-text);
}
.foot-col li{margin-bottom:10px;}
.foot-col a,.foot-col li{font-size:14px;color:var(--c-text-2);line-height:1.7;}
.foot-col a:hover{color:var(--c-primary);}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:18px 0 22px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-3);
}

@media (max-width:575px){
  .article-page{padding:32px 0 52px;}
  .article-panel{padding:24px 18px 32px;}
  .article-body{font-size:15px;line-height:1.8;}
  .article-body h2{font-size:20px;}
  .cta-strip{padding:26px 20px;}
  .cta-strip .cta-actions{width:100%;}
  .cta-strip .cta-actions .btn-main,
  .cta-strip .cta-actions .btn-ghost{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1E5AA8;
  --c-primary-700:#143E75;
  --c-primary-050:#EAF1FA;
  --c-accent:#E8802B;
  --c-accent-2:#16A394;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF2F7;
  --c-line:#E3E9F1;
  --c-text:#17202B;
  --c-text-2:#55647A;
  --c-text-3:#8593A6;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  --r-card:16px;
  --r-btn:10px;
  --r-img:16px;
  --r-hero:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,32,43,.05),0 8px 24px -12px rgba(23,32,43,.18);
  --sh-2:0 12px 32px -14px rgba(23,32,43,.28);
  --sh-focus:0 0 0 3px rgba(30,90,168,.18);
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--c-primary-700);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:20px;
}
@media (min-width:1400px){
  .container{max-width:1320px;}
}
/* ============ header ============ */
.site-head{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-head.is-scrolled{box-shadow:var(--sh-1);}
.nav-shell{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-text);
  font-weight:700;
  font-size:17px;
  letter-spacing:0;
  white-space:nowrap;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  position:relative;
  width:36px;
  height:36px;
  flex:0 0 auto;
  border-radius:10px;
  background:var(--c-primary);
  display:inline-block;
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:9px;top:9px;bottom:9px;
  width:9px;
  border-radius:3px;
  background:#fff;
  opacity:.95;
}
.brand-mark::after{
  content:"";
  position:absolute;
  right:9px;top:50%;
  width:9px;height:9px;
  transform:translateY(-50%);
  border-radius:3px;
  background:var(--c-accent);
}
.brand-text{line-height:1.2;}
.nav-main{
  display:flex;
  align-items:center;
  gap:8px;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-link{
  display:inline-block;
  padding:10px 14px;
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  line-height:1.4;
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--c-surface-2);color:var(--c-primary);}
.nav-link.is-active{
  color:var(--c-primary);
  font-weight:600;
  box-shadow:inset 0 -2px 0 var(--c-primary);
  border-radius:8px 8px 0 0;
}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  min-height:44px;
  border:0;
  border-radius:var(--r-btn);
  background:var(--c-primary);
  color:#fff;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-main:focus-visible{outline:none;box-shadow:var(--sh-focus);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  min-height:44px;
  border:1.5px solid var(--c-primary);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--c-primary);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-700);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:none;box-shadow:var(--sh-focus);}
.btn-plain{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
  padding:0 4px;
  color:var(--c-primary);
  font-size:15px;
  font-weight:600;
  background:none;
  border:0;
  cursor:pointer;
}
.btn-plain:hover{text-decoration:underline;}
.nav-cta{padding:12px 22px;font-size:15px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text);}
.nav-toggle:hover{background:var(--c-surface-2);}
/* ============ page head ============ */
.page-head{
  position:relative;
  padding:56px 0 48px;
  background:
    radial-gradient(circle at 8% 12%, rgba(30,90,168,.06), transparent 42%),
    linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(23,32,43,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,32,43,.035) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.5;
  pointer-events:none;
}
.page-head .container{position:relative;z-index:1;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--c-text-2);
  margin-bottom:18px;
}
.crumbs a{color:var(--c-text-2);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:var(--c-text-3);}
.crumbs .current{color:var(--c-primary);font-weight:600;}
.page-head h1{
  font-size:44px;
  line-height:1.2;
  font-weight:700;
  color:var(--c-text);
  max-width:880px;
}
.page-lede{
  margin-top:16px;
  max-width:760px;
  font-size:16px;
  color:var(--c-text-2);
}
.stat-bar{
  margin-top:32px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--c-line);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.stat-item{
  background:var(--c-surface);
  padding:20px 22px;
}
.stat-item dt{
  font-size:13px;
  color:var(--c-text-3);
  margin-bottom:6px;
}
.stat-item dd{
  margin:0;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  font-variant-numeric:tabular-nums;
}
/* ============ sections ============ */
.section{padding:var(--sec-y) 0;}
.section.is-alt{background:var(--c-surface-2);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  color:var(--c-text);
}
.section-head p{
  margin-top:12px;
  font-size:16px;
  color:var(--c-text-2);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--c-primary-050);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--c-accent);
}
/* chips */
.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:28px;
}
.chip{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:10px 20px;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  background:var(--c-surface);
  color:var(--c-text-2);
  font-size:14px;
  font-weight:500;
  transition:all .18s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.is-active{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
  font-weight:600;
  box-shadow:var(--sh-1);
}
.chip.is-active:hover{color:#fff;}
/* grid cards */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  color:inherit;
  transition:box-shadow .2s ease,transform .2s ease;
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);color:inherit;}
.news-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--c-surface-2);
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:24px;
}
.news-tag{
  align-self:flex-start;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--c-primary-050);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
  margin-bottom:14px;
}
.news-title{
  font-size:19px;
  line-height:1.45;
  font-weight:600;
  color:var(--c-text);
  transition:color .18s ease;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card:hover .news-title{color:var(--c-primary);}
.news-text{
  margin-top:12px;
  font-size:15px;
  color:var(--c-text-2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  padding-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--c-text-3);
  font-variant-numeric:tabular-nums;
  border-top:1px solid var(--c-line);
  margin-top:20px;
}
.news-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-primary);
  font-weight:600;
  transition:transform .18s ease;
}
.news-card:hover .news-more{transform:translateX(2px);}
/* focus cards */
.focus-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.focus-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease;
}
.focus-card:hover{box-shadow:var(--sh-2);}
.focus-num{
  font-size:32px;
  font-weight:700;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.focus-card h3{
  margin-top:12px;
  font-size:20px;
  font-weight:600;
  line-height:1.45;
}
.focus-card p{
  margin-top:10px;
  font-size:15px;
  color:var(--c-text-2);
}
.focus-card .unit{font-size:15px;font-weight:600;color:var(--c-text-2);margin-left:4px;}
/* steps */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  position:relative;
}
.step{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh-1);
}
.step-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  border-radius:50%;
  background:var(--c-primary-050);
  color:var(--c-primary);
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step h3{font-size:18px;font-weight:600;line-height:1.45;}
.step p{margin-top:8px;font-size:14px;color:var(--c-text-2);}
/* checklist */
.check-layout{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:40px;
  align-items:center;
}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 0;
  border-bottom:1px solid var(--c-line);
  font-size:16px;
  color:var(--c-text);
}
.check-list li:last-child{border-bottom:0;}
.check-list .tick{
  flex:0 0 auto;
  width:22px;height:22px;
  margin-top:5px;
  border-radius:50%;
  background:rgba(22,163,148,.12);
  color:var(--c-accent-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
}
.check-figure{
  border:1px solid var(--c-line);
  border-radius:var(--r-img);
  overflow:hidden;
  box-shadow:var(--sh-1);
  aspect-ratio:4/3;
  background:var(--c-surface-2);
}
.check-figure img{width:100%;height:100%;object-fit:cover;}
/* cta band */
.cta-band{
  background:var(--c-primary-700);
  border-radius:var(--r-hero);
  padding:56px 48px;
  text-align:center;
  color:#fff;
  box-shadow:var(--sh-2);
}
.cta-band h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  color:#fff;
}
.cta-band p{
  margin-top:14px;
  font-size:16px;
  color:rgba(255,255,255,.82);
  max-width:680px;
  margin-inline:auto;
}
.cta-actions{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
}
.cta-band .btn-main{background:#fff;color:var(--c-primary);}
.cta-band .btn-main:hover{background:var(--c-primary-050);color:var(--c-primary-700);}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.cta-note{
  margin-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.68);
  font-variant-numeric:tabular-nums;
}
/* subnav */
.subnav-wrap{
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.subnav{
  display:flex;
  align-items:center;
  gap:20px;
  padding:16px 0;
}
.subnav-label{
  flex:0 0 auto;
  font-size:13px;
  font-weight:600;
  color:var(--c-text-3);
  letter-spacing:.4px;
}
.subnav-track{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:4px;
  scrollbar-width:thin;
}
.subnav-track::-webkit-scrollbar{height:6px;}
.subnav-track::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:999px;}
.subnav-track a{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:10px 18px;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--c-text-2);
  white-space:nowrap;
  transition:all .18s ease;
}
.subnav-track a:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-050);}
.subnav-track a.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}
/* footer */
.site-foot{
  background:var(--c-surface-2);
  border-top:1px solid var(--c-line);
  padding:64px 0 0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.foot-brand .brand{margin-bottom:16px;}
.foot-brand p{
  font-size:14px;
  color:var(--c-text-2);
  max-width:340px;
}
.foot-col h3{
  font-size:15px;
  font-weight:700;
  color:var(--c-text);
  margin-bottom:16px;
}
.foot-col ul li{
  font-size:14px;
  color:var(--c-text-2);
  line-height:2.1;
}
.foot-col ul li a{color:var(--c-text-2);}
.foot-col ul li a:hover{color:var(--c-primary);}
.foot-bottom{
  border-top:1px solid var(--c-line);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  justify-content:space-between;
}
.foot-bottom p{
  font-size:13px;
  color:var(--c-text-3);
}
/* responsive */
@media (max-width:1399.98px){
  .container{max-width:1200px;}
}
@media (max-width:1199.98px){
  .check-layout{gap:28px;}
}
@media (max-width:991.98px){
  :root{--sec-y:64px;}
  .nav-toggle{display:inline-flex;}
  .nav-main{
    position:absolute;
    left:20px;
    right:20px;
    top:100%;
    margin-top:8px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-2);
  }
  .nav-main.is-open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{
    display:flex;
    align-items:center;
    min-height:48px;
    padding:0 14px;
    font-size:16px;
    border-bottom:1px solid var(--c-line);
    border-radius:0;
  }
  .nav-list li:last-child .nav-link{border-bottom:0;}
  .nav-link.is-active{
    box-shadow:none;
    background:var(--c-primary-050);
    border-radius:8px;
  }
  .nav-cta{margin-top:10px;width:100%;}
  .page-head h1{font-size:34px;}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .focus-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .check-layout{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-band{padding:44px 28px;}
}
@media (max-width:767.98px){
  .page-head{padding:40px 0 36px;}
  .page-head h1{font-size:30px;}
  .section-head h2{font-size:26px;}
  .cta-band h2{font-size:24px;}
  .grid-3{gap:16px;}
  .focus-grid{gap:16px;}
  .steps{gap:16px;}
}
@media (max-width:575.98px){
  :root{--sec-y:48px;}
  body{font-size:15px;line-height:1.8;}
  .brand{font-size:15px;}
  .brand-mark{width:30px;height:30px;border-radius:8px;}
  .brand-mark::before{left:8px;top:8px;bottom:8px;width:7px;}
  .brand-mark::after{right:8px;width:7px;height:7px;}
  .page-head h1{font-size:28px;}
  .page-lede{font-size:15px;}
  .section-head h2{font-size:22px;}
  .stat-bar{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
  .focus-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .news-body{padding:20px;}
  .news-title{font-size:17px;}
  .focus-card{padding:22px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:36px 20px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .subnav{flex-direction:column;align-items:flex-start;gap:12px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1E5AA8;
  --c-primary-700:#143E75;
  --c-primary-050:#EAF1FA;
  --c-accent:#E8802B;
  --c-accent-2:#16A394;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF2F7;
  --c-line:#E3E9F1;
  --c-text:#17202B;
  --c-text-2:#55647A;
  --c-text-3:#8593A6;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  --r-card:16px;
  --r-btn:10px;
  --r-img:16px;
  --r-hero:20px;
  --sh-1:0 1px 2px rgba(23,32,43,.05), 0 8px 24px -12px rgba(23,32,43,.18);
  --sh-2:0 12px 32px -14px rgba(23,32,43,.28);
  --sh-focus:0 0 0 3px rgba(30,90,168,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-700)}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700}
p{margin:0 0 1.1em}
ul{margin:0;padding:0}
button{font-family:inherit}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1400px){
  .container{max-width:1320px}
}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-head.is-scrolled{box-shadow:var(--sh-1)}
.nav-shell{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex:0 0 auto;
}
.brand-mark{
  position:relative;
  width:32px;
  height:32px;
  border-radius:9px;
  background:var(--c-primary);
  flex:0 0 auto;
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:8px;
  top:9px;
  width:15px;
  height:15px;
  border-radius:4px;
  background:var(--c-primary-050);
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:14px;
  top:8px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--c-accent);
}
.brand-text{
  font-size:17px;
  font-weight:700;
  color:var(--c-text);
  letter-spacing:0;
  white-space:nowrap;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:18px;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:4px;
  list-style:none;
}
.nav-link{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:10px 14px;
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text);
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--c-surface-2);color:var(--c-primary)}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--c-text);
  transition:transform .2s ease,opacity .2s ease;
}
.btn-main,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:14px 26px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  text-align:center;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-main{
  background:var(--c-primary);
  color:#fff;
  border:1.5px solid var(--c-primary);
}
.btn-main:hover{background:var(--c-primary-700);border-color:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-ghost{
  background:transparent;
  color:var(--c-primary);
  border:1.5px solid var(--c-primary);
}
.btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-700)}
.btn-light{
  background:#fff;
  color:var(--c-primary);
  border:1.5px solid #fff;
}
.btn-light:hover{background:var(--c-primary-050);color:var(--c-primary-700);transform:translateY(-1px)}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.7);
}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn-main:focus-visible,.btn-ghost:focus-visible,.btn-light:focus-visible,.btn-outline-light:focus-visible,
.nav-link:focus-visible,.nav-toggle:focus-visible,.side-item:focus-visible,.cat-strip-list a:focus-visible{
  outline:none;
  box-shadow:var(--sh-focus);
}
.nav-cta{padding:12px 22px;font-size:15px;min-height:44px}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:64px 0 56px;
  background-color:var(--c-bg);
  background-image:linear-gradient(rgba(245,247,250,.94),rgba(245,247,250,.97)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  left:-120px;
  top:-140px;
  width:380px;
  height:380px;
  border-radius:50%;
  background:rgba(30,90,168,.05);
  pointer-events:none;
}
.crumb{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--c-text-2);
  margin-bottom:22px;
}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb-sep{color:var(--c-text-3)}
.crumb-current{color:var(--c-primary);font-weight:500}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:var(--c-primary-050);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.hero-badge::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--c-accent-2);
}
.page-hero h1{
  font-size:40px;
  line-height:1.25;
  font-weight:700;
  max-width:820px;
}
.hero-sub{
  margin:16px 0 0;
  font-size:17px;
  line-height:1.9;
  color:var(--c-text-2);
  max-width:700px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section--surface{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-title{font-size:30px;line-height:1.3;margin-bottom:14px}
.sec-lead{font-size:16px;color:var(--c-text-2);max-width:760px;margin-bottom:36px}
.sec-head{margin-bottom:40px}

/* ---------- key info strip ---------- */
.info-strip{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:30px 0}
.info-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.info-item{
  border-left:3px solid var(--c-primary-050);
  padding-left:16px;
}
.info-item .info-label{
  display:block;
  font-size:13px;
  color:var(--c-text-3);
  margin-bottom:6px;
}
.info-item strong{
  display:block;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  line-height:1.6;
}
.info-item .info-note{
  display:block;
  font-size:13px;
  color:var(--c-text-2);
  margin-top:4px;
}

/* ---------- split layout ---------- */
.split-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:32px;
  align-items:start;
}
.split-main{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:36px;
}
.split-main p{color:var(--c-text-2);font-size:16px}
.split-main .sec-title{font-size:24px;margin-top:44px;margin-bottom:14px}
.split-main .sec-title:first-child{margin-top:0}
.split-main h3{font-size:18px;font-weight:600;margin:28px 0 10px}
.check-list{
  list-style:none;
  display:grid;
  gap:12px;
  margin:20px 0 0;
}
.check-list li{
  position:relative;
  padding-left:32px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--c-text-2);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:5px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:var(--c-primary-050);
}
.check-list li::after{
  content:"";
  position:absolute;
  left:7px;
  top:10px;
  width:6px;
  height:3px;
  border-left:2px solid var(--c-accent-2);
  border-bottom:2px solid var(--c-accent-2);
  transform:rotate(-45deg);
}
.note-card{
  margin-top:26px;
  padding:18px 22px;
  background:var(--c-primary-050);
  border-left:4px solid var(--c-primary);
  border-radius:12px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text-2);
}
.note-card strong{color:var(--c-text)}

/* ---------- side panel ---------- */
.side-panel{
  background:var(--c-surface-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
}
.side-panel h3{
  font-size:17px;
  font-weight:600;
  margin-bottom:6px;
}
.side-panel .side-tip{
  font-size:13px;
  color:var(--c-text-3);
  margin-bottom:18px;
}
.side-list{
  list-style:none;
  display:grid;
  gap:12px;
}
.side-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:12px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:14px;
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.side-item:hover{
  box-shadow:var(--sh-2);
  border-color:#d6dfea;
  transform:translateY(-2px);
  color:inherit;
}
.side-thumb{
  width:72px;
  height:72px;
  flex:0 0 72px;
  object-fit:cover;
  border-radius:12px;
  border:1px solid var(--c-line);
}
.side-body{display:block;min-width:0}
.side-item-title{
  display:block;
  font-size:15px;
  font-weight:600;
  color:var(--c-text);
  line-height:1.5;
}
.side-item-desc{
  display:block;
  font-size:13px;
  color:var(--c-text-3);
  line-height:1.6;
  margin-top:4px;
}
.side-contact{
  margin-top:16px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:14px;
  padding:18px 20px;
}
.side-contact h4{font-size:15px;font-weight:600;margin-bottom:8px}
.side-contact p{font-size:14px;color:var(--c-text-2);margin:0 0 6px;word-break:break-all}
.side-contact p:last-child{margin-bottom:0}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:26px;
  transition:box-shadow .18s ease,transform .18s ease;
}
.step-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--c-primary-050);
  color:var(--c-primary);
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step-card p{font-size:14.5px;color:var(--c-text-2);margin:0;line-height:1.8}

/* ---------- tips ---------- */
.tips{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.tip-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:26px;
  transition:box-shadow .18s ease;
}
.tip-card:hover{box-shadow:var(--sh-2)}
.tip-tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  background:var(--c-primary-050);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
  margin-bottom:14px;
}
.tip-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.tip-card p{font-size:14.5px;color:var(--c-text-2);margin:0;line-height:1.8}

/* ---------- cta ---------- */
.cta-band{
  background:var(--c-primary);
  border-radius:var(--r-card);
  padding:56px 32px;
  text-align:center;
  color:#fff;
  box-shadow:var(--sh-1);
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:14px}
.cta-band p{
  color:rgba(255,255,255,.86);
  max-width:640px;
  margin:0 auto 26px;
  font-size:16px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
}
.cta-meta{
  margin-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.75);
}

/* ---------- category strip ---------- */
.cat-strip{
  background:var(--c-surface-2);
  border-top:1px solid var(--c-line);
  padding:20px 0;
}
.cat-strip-list{
  display:flex;
  gap:12px;
  list-style:none;
  overflow-x:auto;
  padding:4px 0;
  scrollbar-width:thin;
}
.cat-strip-list a{
  display:inline-flex;
  align-items:center;
  white-space:nowrap;
  min-height:44px;
  padding:10px 18px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:999px;
  font-size:14px;
  color:var(--c-text-2);
  transition:color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.cat-strip-list a:hover{
  color:var(--c-primary);
  border-color:var(--c-primary);
  box-shadow:var(--sh-1);
}

/* ---------- footer ---------- */
.site-foot{
  background:var(--c-surface-2);
  border-top:1px solid var(--c-line);
  padding:56px 0 0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{
  font-size:14px;
  color:var(--c-text-2);
  line-height:1.9;
  margin:0;
  max-width:330px;
}
.foot-col h3{
  font-size:15px;
  font-weight:600;
  color:var(--c-text);
  margin-bottom:14px;
}
.foot-col ul{list-style:none}
.foot-col li{
  font-size:14px;
  color:var(--c-text-2);
  line-height:2;
}
.foot-col a{color:var(--c-text-2)}
.foot-col a:hover{color:var(--c-primary)}
.foot-bottom{
  margin-top:44px;
  border-top:1px solid var(--c-line);
  padding:18px 0;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--c-text-3);
}
.foot-bottom p{margin:0}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .page-hero h1{font-size:34px}
  .split-main{padding:30px}
}
@media (max-width:991.98px){
  .nav-shell{min-height:56px}
  .nav-toggle{display:flex}
  .nav-main{
    position:absolute;
    left:12px;
    right:12px;
    top:calc(100% + 8px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    padding:12px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:16px;
    box-shadow:var(--sh-2);
  }
  .nav-main.is-open{display:flex}
  .nav-list{flex-direction:column;gap:0;width:100%}
  .nav-list li{width:100%}
  .nav-link{
    min-height:48px;
    padding:0 12px;
    font-size:16px;
    border-bottom:1px solid var(--c-line);
    border-radius:0;
  }
  .nav-list li:last-child .nav-link{border-bottom:none}
  .nav-link.is-active{
    background:var(--c-primary-050);
    border-radius:8px;
  }
  .nav-link.is-active::after{display:none}
  .nav-cta{width:100%}
  .section{padding:64px 0}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .split-grid{grid-template-columns:1fr;gap:24px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .tips{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:44px 24px}
  .cta-band h2{font-size:24px}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  .page-hero{padding:44px 0 40px}
  .page-hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .section{padding:48px 0}
  .sec-title{font-size:22px}
  .split-main{padding:22px;border-radius:14px}
  .split-main .sec-title{font-size:20px;margin-top:34px}
  .info-grid{grid-template-columns:1fr 1fr;gap:16px}
  .info-item strong{font-size:15px}
  .steps{grid-template-columns:1fr}
  .tips{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-actions .btn-light,.cta-actions .btn-outline-light{width:100%}
  .cta-band h2{font-size:21px}
}

/* roulang page: category3 */
:root{
  --c-primary:#1E5AA8;
  --c-primary-700:#143E75;
  --c-primary-050:#EAF1FA;
  --c-accent:#E8802B;
  --c-accent-2:#16A394;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF2F7;
  --c-line:#E3E9F1;
  --c-text:#17202B;
  --c-text-2:#55647A;
  --c-text-3:#8593A6;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  --r-card:16px;
  --r-btn:10px;
  --r-img:16px;
  --r-hero:20px;
  --sh-1:0 1px 2px rgba(23,32,43,.05),0 8px 24px -12px rgba(23,32,43,.18);
  --sh-2:0 12px 32px -14px rgba(23,32,43,.28);
  --sh-focus:0 0 0 3px rgba(30,90,168,.18);
  --sp-sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:hover{color:var(--c-primary-700);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1320px;}}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-head.is-scrolled{box-shadow:var(--sh-1);}
.nav-shell{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;position:relative;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-700) 100%);
  position:relative;
}
.brand-mark::before{
  content:"";position:absolute;left:9px;top:9px;width:16px;height:16px;
  border:2px solid #fff;border-radius:6px 6px 6px 2px;opacity:.9;
}
.brand-mark::after{
  content:"";position:absolute;right:7px;bottom:7px;width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:10px;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--c-text-2);border-radius:8px;
  position:relative;
}
.nav-link:hover{background:var(--c-surface-2);color:var(--c-primary);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;border-radius:2px;background:var(--c-primary);
}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--c-primary);
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:var(--c-primary-700);border-color:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-main:focus-visible{outline:none;box-shadow:var(--sh-focus);}
.nav-cta{margin-left:6px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;
  background:var(--c-surface);padding:11px 10px;flex-direction:column;justify-content:space-between;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--c-text);}
.nav-toggle:focus-visible{outline:none;box-shadow:var(--sh-focus);}

/* ---------- buttons ---------- */
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1.5px solid var(--c-primary);color:var(--c-primary);
  background:transparent;font-size:15px;font-weight:600;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-700);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost:active{transform:translateY(0);box-shadow:none;}
.btn-ghost:focus-visible{outline:none;box-shadow:var(--sh-focus);}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;border:1px solid var(--c-primary);
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-solid:hover{background:var(--c-primary-700);border-color:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-solid:active{transform:translateY(0);box-shadow:none;}
.btn-solid:focus-visible{outline:none;box-shadow:var(--sh-focus);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);}
.btn-text:hover{text-decoration:underline;}

/* ---------- hero ---------- */
.crumb-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--c-text-2);}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--c-text-3);}
.crumb .current{color:var(--c-primary);font-weight:600;}

.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  padding:56px 0 64px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--c-line) 1px,transparent 1px),linear-gradient(90deg,var(--c-line) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.32;
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,90,168,.09) 0%,rgba(30,90,168,0) 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;align-items:center;
}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--c-primary-050);color:var(--c-primary);
  font-size:13px;font-weight:600;
}
.badge-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);}
.page-hero h1{
  margin:18px 0 14px;
  font-size:44px;line-height:1.2;font-weight:700;color:var(--c-text);
}
.hero-lead{
  font-size:17px;line-height:1.85;color:var(--c-text-2);max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-hero);border:1px solid var(--c-line);
}
.hero-note{
  position:absolute;right:-8px;bottom:-18px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  box-shadow:var(--sh-1);padding:14px 18px;min-width:186px;
}
.hero-note .k{font-size:13px;color:var(--c-text-3);}
.hero-note .v{font-size:19px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;}

/* ---------- stats ---------- */
.stats-wrap{padding:0 0 8px;margin-top:-34px;position:relative;z-index:2;}
.stats-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.stat-item{padding:22px 24px;border-right:1px solid var(--c-line);}
.stat-item:last-child{border-right:none;}
.stat-item .lab{font-size:13px;color:var(--c-text-3);}
.stat-item .val{font-size:24px;font-weight:700;color:var(--c-text);font-variant-numeric:tabular-nums;margin-top:4px;}
.stat-item .val em{font-style:normal;font-size:14px;font-weight:500;color:var(--c-text-2);margin-left:4px;}

/* ---------- section base ---------- */
.section{padding:var(--sp-sec) 0;}
.section.alt{background:var(--c-surface-2);}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--c-accent);
  margin-bottom:10px;
}
.sec-head h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--c-text);}
.sec-head p{margin-top:12px;font-size:16px;color:var(--c-text-2);}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- timeline pills ---------- */
.slot-strip{
  display:flex;gap:12px;overflow-x:auto;padding:4px 2px 14px;
  -webkit-overflow-scrolling:touch;
}
.slot-chip{
  flex:0 0 auto;display:inline-flex;flex-direction:column;gap:2px;
  padding:12px 18px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);box-shadow:var(--sh-1);min-width:140px;
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.slot-chip:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#c9d8ea;}
.slot-chip .t{font-size:15px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.slot-chip .n{font-size:14px;color:var(--c-text-2);}
.slot-chip.now{border-color:var(--c-accent);}
.slot-chip.now .t{color:var(--c-accent);}
.slot-note{
  margin-top:16px;font-size:14px;color:var(--c-text-2);
  border-left:3px solid var(--c-primary-050);padding-left:14px;
}

/* ---------- faq groups ---------- */
.faq-group{margin-bottom:56px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:22px;}
.faq-index{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-050);color:var(--c-primary);font-weight:700;font-size:16px;
  font-variant-numeric:tabular-nums;
}
.faq-group-head h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--c-text);}
.faq-group-head p{margin-top:6px;font-size:15px;color:var(--c-text-2);}

.accordion{border:none;background:transparent;}
.accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line) !important;
  border-radius:14px !important;overflow:hidden;margin-bottom:12px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease;
}
.accordion-item:hover{box-shadow:var(--sh-2);}
.accordion-button{
  display:flex;align-items:center;gap:14px;width:100%;
  padding:20px 22px;background:var(--c-surface);
  font-size:17px;font-weight:600;color:var(--c-text);line-height:1.6;
  border:none;border-radius:14px !important;box-shadow:none !important;
}
.accordion-button:not(.collapsed){
  color:var(--c-primary);background:var(--c-primary-050);
  border-left:4px solid var(--c-primary);
  padding-left:18px;
}
.accordion-button:focus-visible{outline:none;box-shadow:var(--sh-focus) !important;}
.accordion-button::after{display:none !important;}
.ao-icon{
  position:relative;margin-left:auto;flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  background:var(--c-primary-050);transition:background-color .18s ease;
}
.accordion-button:not(.collapsed) .ao-icon{background:#fff;}
.ao-icon::before,.ao-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.ao-icon::before{width:11px;height:2px;}
.ao-icon::after{width:2px;height:11px;transition:opacity .2s ease,transform .2s ease;}
.accordion-button:not(.collapsed) .ao-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.accordion-body{
  padding:0 22px 22px 22px;font-size:15px;line-height:1.9;color:var(--c-text-2);
}
.accordion-body strong{color:var(--c-text);}
.accordion-body .hint{
  display:inline-block;margin-top:10px;padding:8px 14px;border-radius:10px;
  background:var(--c-surface-2);color:var(--c-text-2);font-size:14px;
}

/* ---------- entry cards ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.entry-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px;display:flex;flex-direction:column;gap:10px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.entry-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.entry-card .tag{
  align-self:flex-start;padding:4px 12px;border-radius:999px;
  background:var(--c-primary-050);color:var(--c-primary);font-size:12px;font-weight:600;
}
.entry-card h3{font-size:20px;font-weight:600;color:var(--c-text);line-height:1.45;}
.entry-card:hover h3{color:var(--c-primary);}
.entry-card p{font-size:15px;color:var(--c-text-2);flex:1 1 auto;}
.entry-card .more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.entry-card .more i{transition:transform .2s ease;font-style:normal;}
.entry-card:hover .more i{transform:translateX(3px);}

/* ---------- cta ---------- */
.cta-section{padding:0 0 var(--sp-sec);}
.cta-band{
  position:relative;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--c-line);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-1);
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(255,255,255,.94);}
.cta-inner{position:relative;z-index:1;padding:64px 32px;text-align:center;max-width:720px;margin:0 auto;}
.cta-inner h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--c-text);}
.cta-inner p{margin-top:14px;font-size:16px;color:var(--c-text-2);}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:28px;}
.cta-meta{margin-top:20px;font-size:13px;color:var(--c-text-3);}

/* ---------- sub nav strip ---------- */
.subnav{background:var(--c-surface);border-top:1px solid var(--c-line);padding:22px 0;}
.subnav-inner{display:flex;gap:12px;overflow-x:auto;align-items:center;}
.subnav-label{flex:0 0 auto;font-size:14px;font-weight:600;color:var(--c-text-3);margin-right:6px;}
.subnav a{
  flex:0 0 auto;padding:9px 16px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-surface-2);font-size:14px;font-weight:500;color:var(--c-text-2);
  transition:all .18s ease;
}
.subnav a:hover{background:var(--c-primary-050);border-color:#cfdff2;color:var(--c-primary);}

/* ---------- footer ---------- */
.site-foot{background:var(--c-surface-2);border-top:1px solid var(--c-line);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:36px;}
.foot-brand .brand{margin-bottom:16px;}
.foot-brand p{font-size:14px;color:var(--c-text-2);max-width:340px;}
.foot-col h3{font-size:15px;font-weight:700;color:var(--c-text);margin-bottom:16px;}
.foot-col li{font-size:14px;color:var(--c-text-2);margin-bottom:10px;}
.foot-col a{color:var(--c-text-2);}
.foot-col a:hover{color:var(--c-primary);}
.foot-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:38px;}
}
@media (max-width:991px){
  :root{--sp-sec:64px;}
  .nav-toggle{display:flex;}
  .nav-main{
    display:none;position:absolute;top:70px;left:16px;right:16px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;
    box-shadow:var(--sh-2);padding:10px;z-index:1040;
  }
  .nav-main.is-open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{
    height:48px;padding:0 12px;font-size:16px;border-radius:0;
    border-bottom:1px solid var(--c-line);
  }
  .nav-link.is-active::after{display:none;}
  .nav-cta{margin:12px 0 4px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:34px;}
  .hero-note{right:12px;bottom:-16px;}
  .stats-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item:nth-child(2){border-right:none;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  .page-hero{padding:40px 0 52px;}
  .page-hero h1{font-size:32px;}
  .sec-head h2,.faq-group-head h2,.cta-inner h2{font-size:24px;}
  .entry-grid{grid-template-columns:minmax(0,1fr);}
  .cta-inner{padding:48px 22px;}
  .cta-actions .btn-solid,.cta-actions .btn-ghost{width:100%;}
  .hero-actions .btn-solid,.hero-actions .btn-ghost{width:100%;}
}
@media (max-width:575px){
  :root{--sp-sec:48px;}
  body{font-size:15px;line-height:1.8;}
  .page-hero h1{font-size:28px;}
  .sec-head h2,.faq-group-head h2,.cta-inner h2{font-size:22px;}
  .hero-note{position:static;margin-top:16px;right:auto;bottom:auto;}
  .stats-bar{grid-template-columns:minmax(0,1fr);}
  .stat-item{border-right:none;border-bottom:1px solid var(--c-line);}
  .stat-item:last-child{border-bottom:none;}
  .accordion-button{font-size:16px;padding:16px 16px;}
  .accordion-body{padding:0 16px 18px 16px;}
  .foot-grid{grid-template-columns:minmax(0,1fr);}
  .foot-bottom{flex-direction:column;}
}

/* roulang page: category4 */
:root{
  --c-primary:#1E5AA8;
  --c-primary-700:#143E75;
  --c-primary-050:#EAF1FA;
  --c-accent:#E8802B;
  --c-accent-2:#16A394;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF2F7;
  --c-line:#E3E9F1;
  --c-text:#17202B;
  --c-text-2:#55647A;
  --c-text-3:#8593A6;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  --r-card:16px;
  --r-btn:10px;
  --r-img:16px;
  --r-hero:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,32,43,.05),0 8px 24px -12px rgba(23,32,43,.18);
  --sh-2:0 12px 32px -14px rgba(23,32,43,.28);
  --sh-focus:0 0 0 3px rgba(30,90,168,.18);
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-primary-700);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{list-style:none;padding:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:var(--sh-focus);border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1320px;}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-head.is-scrolled{box-shadow:var(--sh-1);}
.nav-shell{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:20px;position:relative;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);font-weight:700;}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  position:relative;flex:0 0 auto;width:36px;height:36px;border-radius:11px;
  background:var(--c-primary);box-shadow:0 8px 18px -10px rgba(30,90,168,.85);
}
.brand-mark::before{content:"";position:absolute;left:8px;top:8px;width:12px;height:12px;border-radius:3px;background:#fff;}
.brand-mark::after{content:"";position:absolute;right:8px;bottom:8px;width:12px;height:12px;border-radius:50%;background:var(--c-accent);}
.brand-text{font-size:17px;line-height:1.2;letter-spacing:.2px;}
.nav-main{display:flex;align-items:center;gap:10px;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-link{
  display:inline-flex;align-items:center;
  min-height:44px;padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--c-text-2);position:relative;
}
.nav-link:hover{background:var(--c-surface-2);color:var(--c-primary);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:var(--c-primary);
}
.btn-main,.btn-ghost,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  text-align:center;
}
.btn-main{
  background:var(--c-primary);color:#fff;padding:13px 24px;font-size:15px;
}
.btn-main:hover{background:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{
  background:transparent;color:var(--c-primary);border-color:var(--c-primary);padding:12px 22px;font-size:15px;
}
.btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-700);}
.btn-text{background:transparent;color:var(--c-primary);padding:10px 6px;font-size:15px;border:0;}
.btn-text:hover{text-decoration:underline;color:var(--c-primary-700);}
.nav-cta{padding:11px 20px;font-size:15px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text);transition:transform .2s ease,opacity .2s ease;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#fff 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding:48px 0 56px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(30,90,168,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(30,90,168,.045) 1px,transparent 1px);
  background-size:34px 34px;
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:-120px;top:-140px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,90,168,.10),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:14px;color:var(--c-text-2);margin-bottom:22px;}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--c-text-3);}
.crumb .now{color:var(--c-primary);font-weight:600;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-primary-050);color:var(--c-primary);
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--c-accent-2);display:inline-block;}
.page-hero h1{font-size:44px;line-height:1.2;font-weight:700;max-width:22ch;}
.page-hero .sub{margin-top:16px;font-size:18px;color:var(--c-text-2);max-width:56ch;}
.page-hero .lead{margin-top:12px;font-size:15px;color:var(--c-text-2);max-width:64ch;}

/* ---------- fact strip ---------- */
.fact-strip{
  margin-top:34px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
}
.fact-item{padding:22px 24px;border-right:1px solid var(--c-line);}
.fact-item:last-child{border-right:0;}
.fact-item .k{font-size:13px;color:var(--c-text-3);letter-spacing:.3px;}
.fact-item .v{margin-top:6px;font-size:18px;font-weight:700;color:var(--c-text);}
.fact-item .v.small{font-size:16px;}

/* ---------- sections ---------- */
.section{padding:var(--sec-pad) 0;}
.section.tight{padding-top:0;}
.section.alt{background:var(--c-surface-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head .eyebrow{font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:1px;}
.sec-head h2{margin-top:10px;font-size:30px;line-height:1.3;font-weight:700;}
.sec-head p{margin-top:12px;color:var(--c-text-2);}

/* ---------- split rows ---------- */
.split-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:36px 0;
}
.split-row + .split-row{border-top:1px solid var(--c-line);}
.split-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .45s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-media .tagline{
  position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.94);color:var(--c-primary);
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:600;box-shadow:var(--sh-1);
}
.split-row.is-reverse .split-media{order:2;}
.split-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--c-text);}
.split-body p{margin-top:14px;color:var(--c-text-2);font-size:16px;}
.dot-list{margin-top:18px;display:grid;gap:10px;}
.dot-list li{position:relative;padding-left:24px;color:var(--c-text-2);font-size:15px;line-height:1.75;}
.dot-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--c-primary-050);border:2px solid var(--c-accent-2);
}
.split-note{
  margin-top:20px;background:var(--c-primary-050);border-radius:12px;padding:14px 18px;
  font-size:14px;color:var(--c-primary-700);border-left:4px solid var(--c-primary);
}

/* ---------- step line ---------- */
.step-line{
  position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:12px;
}
.step-line::before{
  content:"";position:absolute;left:6%;right:6%;top:19px;height:2px;background:var(--c-line);
}
.step-item{position:relative;text-align:center;padding-top:0;}
.step-node{
  position:relative;z-index:1;width:40px;height:40px;margin:0 auto;border-radius:50%;
  background:var(--c-surface);border:2px solid var(--c-primary);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
  box-shadow:0 0 0 6px var(--c-surface);
}
.step-item.is-current .step-node{background:var(--c-accent);border-color:var(--c-accent);color:#fff;box-shadow:0 0 0 6px var(--c-surface),0 8px 18px -10px rgba(232,128,43,.9);}
.step-item h3{margin-top:16px;font-size:17px;font-weight:600;line-height:1.45;}
.step-item p{margin-top:8px;font-size:14px;color:var(--c-text-2);line-height:1.7;}

/* ---------- quick qa ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.qa-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;height:100%;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.qa-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#d6e0ee;}
.qa-card .q{font-size:17px;font-weight:600;color:var(--c-text);line-height:1.5;}
.qa-card .q::before{content:"问";display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;margin-right:8px;border-radius:6px;font-size:12px;font-weight:700;color:var(--c-primary);background:var(--c-primary-050);vertical-align:1px;}
.qa-card p{margin-top:12px;font-size:15px;color:var(--c-text-2);flex:1;}
.qa-card .link{margin-top:16px;font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.qa-card .link:hover{gap:10px;}

/* ---------- cta ---------- */
.cta-band{padding:0 0 var(--sec-pad);}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--c-primary-700);border-radius:var(--r-hero);
  padding:64px 32px;text-align:center;color:#fff;
  box-shadow:var(--sh-2);
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:36px 36px;pointer-events:none;
}
.cta-inner::after{
  content:"";position:absolute;right:-100px;bottom:-140px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,128,43,.28),transparent 70%);pointer-events:none;
}
.cta-inner > *{position:relative;z-index:1;}
.cta-inner h2{font-size:30px;font-weight:700;}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.82);max-width:52ch;margin-left:auto;margin-right:auto;}
.cta-actions{margin-top:30px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.cta-inner .btn-ghost{color:#fff;border-color:rgba(255,255,255,.7);}
.cta-inner .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.cta-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.68);}

/* ---------- footer ---------- */
.site-foot{background:var(--c-surface-2);border-top:1px solid var(--c-line);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand .brand{margin-bottom:16px;}
.foot-brand p{font-size:14px;color:var(--c-text-2);max-width:34ch;}
.foot-col h3{font-size:15px;font-weight:600;color:var(--c-text);margin-bottom:16px;}
.foot-col ul{display:grid;gap:10px;}
.foot-col li{font-size:14px;color:var(--c-text-2);}
.foot-col a{color:var(--c-text-2);font-size:14px;}
.foot-col a:hover{color:var(--c-primary);}
.foot-bottom{
  margin-top:56px;border-top:1px solid var(--c-line);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.foot-bottom p{font-size:13px;color:var(--c-text-3);}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .page-hero h1{font-size:38px;}
}
@media (max-width:991.98px){
  :root{--sec-pad:64px;}
  .nav-main{
    position:absolute;left:12px;right:12px;top:calc(100% + 10px);
    display:none;flex-direction:column;align-items:stretch;gap:6px;
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:10px;box-shadow:var(--sh-2);
  }
  .nav-main.is-open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%;}
  .nav-link{padding:0 14px;line-height:48px;min-height:48px;border-bottom:1px solid var(--c-line);border-radius:0;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:var(--c-primary-050);border-radius:8px;}
  .nav-cta{width:100%;margin-top:8px;padding:13px 18px;}
  .nav-toggle{display:flex;}
  .page-hero{padding:36px 0 44px;}
  .page-hero h1{font-size:32px;max-width:none;}
  .page-hero .sub{font-size:17px;max-width:none;}
  .fact-strip{grid-template-columns:repeat(2,1fr);}
  .fact-item:nth-child(2){border-right:0;}
  .fact-item:nth-child(1),.fact-item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .split-row{grid-template-columns:1fr;gap:28px;padding:28px 0;}
  .split-row.is-reverse .split-media{order:0;}
  .step-line{grid-template-columns:1fr;gap:0;}
  .step-line::before{left:19px;right:auto;top:0;bottom:0;width:2px;height:auto;}
  .step-item{display:grid;grid-template-columns:40px 1fr;column-gap:16px;text-align:left;padding:0 0 26px;}
  .step-item:last-child{padding-bottom:0;}
  .step-node{margin:0;}
  .step-item h3{margin-top:6px;}
  .step-item p{margin-top:6px;}
  .qa-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{padding:48px 24px;}
  .cta-inner h2{font-size:26px;}
}
@media (max-width:575.98px){
  body{font-size:15px;line-height:1.8;}
  .page-hero h1{font-size:28px;}
  .sec-head h2,.cta-inner h2{font-size:22px;}
  .split-body h3,.qa-card .q{font-size:17px;}
  .fact-strip{grid-template-columns:1fr;}
  .fact-item{border-right:0;border-bottom:1px solid var(--c-line);}
  .fact-item:last-child{border-bottom:0;}
  .qa-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .sec-head{margin-bottom:32px;}
  .btn-main,.btn-ghost{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .foot-bottom{flex-direction:column;gap:8px;}
}