/* roulang page: index */
:root{
  --primary:#1F5BD8;
  --primary-hover:#1747AE;
  --primary-active:#123A8F;
  --primary-soft:#EAF1FF;
  --primary-tint:#F3F7FF;
  --accent:#FF7A45;
  --teal:#12A594;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --text:#101826;
  --text-2:#4A5568;
  --text-3:#8A94A6;
  --border:#E3E8F0;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --radius-pill:999px;
  --shadow-sm:0 2px 8px rgba(16,24,38,.06);
  --shadow-md:0 12px 28px rgba(16,24,38,.10);
  --focus-ring:0 0 0 3px rgba(31,91,216,.25);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-hover);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:700;line-height:1.3;color:var(--text);}
p{color:var(--text-2);}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:6px;}

/* 容器与板块 */
.container{width:100%;max-width:1200px !important;margin:0 auto;padding-right:20px;padding-left:20px;}
.section{padding:88px 0;}
.section-alt{background:var(--surface);}
.section-tint{background:var(--primary-tint);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--primary);
  background:var(--primary-soft);border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.section-label::before{content:"";width:6px;height:6px;background:var(--accent);border-radius:2px;}
h2.section-title{font-size:32px;line-height:1.3;margin-bottom:14px;}
.section-desc{font-size:16px;color:var(--text-2);line-height:1.8;}

/* 按钮系统 */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 26px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn-main{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(31,91,216,.22);}
.btn-main:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(31,91,216,.28);}
.btn-main:active{background:var(--primary-active);transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-hover);border-color:var(--primary-hover);transform:translateY(-1px);}
.btn-ghost:active{background:#DCE8FF;transform:translateY(0);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--primary);min-height:44px;}
.link-arrow span{transition:transform .22s ease;display:inline-block;}
.link-arrow:hover span{transform:translateX(4px);}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(16,24,38,.08);}
.site-header .navbar{padding:0;}
.site-header .container{display:flex;align-items:center;flex-wrap:wrap;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;padding:0;margin-right:32px;}
.brand:hover .brand-text{color:var(--primary-hover);}
.brand-mark{
  width:34px;height:34px;border-radius:8px;flex:0 0 34px;
  background:linear-gradient(135deg,var(--primary) 0%,#3A78F0 100%);
  color:#fff;font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 10px rgba(31,91,216,.28);
}
.brand-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:.01em;transition:color .2s ease;}
.navbar-toggler{
  border:1px solid var(--border);border-radius:8px;padding:8px 10px;
  background:#fff;margin-left:auto;min-width:44px;min-height:44px;
}
.navbar-toggler:focus{box-shadow:var(--focus-ring);}
.toggler-lines{display:block;width:20px;}
.toggler-lines i{display:block;height:2px;background:var(--text);border-radius:2px;margin:4px 0;}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-list .nav-item{position:relative;}
.nav-list .nav-link{
  position:relative;display:block;padding:12px 12px;font-size:15px;font-weight:500;
  color:var(--text-2);line-height:1.4;transition:color .2s ease;
}
.nav-list .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-list .nav-link:hover{color:var(--primary);}
.nav-list .nav-link:hover::after{transform:scaleX(1);}
.nav-list .nav-link.active{color:var(--primary);font-weight:600;}
.nav-list .nav-link.active::after{transform:scaleX(1);}
.nav-cta{margin-left:18px;min-height:44px;padding:10px 22px;font-size:15px;}

/* Hero */
.hero{
  position:relative;overflow:hidden;padding:76px 0 84px;
  background:linear-gradient(180deg,#F3F7FF 0%,#F6F8FC 100%);
}
.hero::before{
  content:"";position:absolute;top:-120px;right:-160px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(31,91,216,.10) 0%,rgba(31,91,216,0) 70%);
  border-radius:50%;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;top:0;width:100%;height:100%;
  background-image:linear-gradient(rgba(31,91,216,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(31,91,216,.045) 1px,transparent 1px);
  background-size:52px 52px;pointer-events:none;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 78%);
}
.hero .container{position:relative;z-index:2;}
.hero h1{font-size:46px;line-height:1.22;margin-bottom:20px;letter-spacing:-.01em;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);margin-bottom:30px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:34px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 26px;}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.hero-trust li::before{
  content:"";width:16px;height:16px;border-radius:5px;flex:0 0 16px;
  background:var(--primary-soft);
  border:1px solid rgba(31,91,216,.28);
  box-shadow:inset 0 0 0 3px #fff;
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;height:100%;max-height:430px;object-fit:cover;
  border-radius:var(--radius-img);
  box-shadow:0 24px 48px rgba(16,24,38,.14);
  background:#E7EDF7;
}
.hero-visual::after{
  content:"";position:absolute;inset:auto -14px -14px auto;width:120px;height:120px;
  border-radius:18px;background:var(--primary-soft);z-index:-1;
}

/* 痛点区 */
.pain-grid{position:relative;}
.pain-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px 26px 24px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pain-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CBD9F5;}
.pain-item .pain-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;margin-bottom:16px;
  background:var(--primary-tint);color:var(--primary);
  font-size:14px;font-weight:700;border:1px solid #D9E4FA;
}
.pain-item h3{font-size:19px;margin-bottom:10px;}
.pain-item p{font-size:15px;line-height:1.8;color:var(--text-2);margin:0;}
.pain-offset{margin-top:32px;}

/* 步骤区 */
.step-row{align-items:center;margin-bottom:72px;}
.step-row:last-child{margin-bottom:0;}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:12px;margin-bottom:18px;
  background:var(--primary);color:#fff;font-size:18px;font-weight:700;
  box-shadow:0 8px 18px rgba(31,91,216,.26);
}
.step-row h3{font-size:24px;margin-bottom:14px;}
.step-row p{font-size:16px;line-height:1.85;color:var(--text-2);margin-bottom:16px;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag.tag-accent{background:#FFF1EA;color:#D9520F;}
.tag.tag-teal{background:#E4F6F3;color:#0B7F72;}
.step-media img{
  width:100%;height:300px;object-fit:cover;border-radius:var(--radius-img);
  border:1px solid var(--border);box-shadow:var(--shadow-sm);background:#E7EDF7;
}

/* 数据指标 */
.stats-bar{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);padding:34px 12px;
}
.stat-cell{text-align:center;position:relative;padding:8px 12px;}
.stat-cell + .stat-cell::before{
  content:"";position:absolute;left:0;top:14%;height:72%;width:1px;background:var(--border);
}
.stat-num{font-size:44px;font-weight:700;color:var(--primary);line-height:1.1;}
.stat-num.accent{color:var(--accent);}
.stat-num.teal{color:var(--teal);}
.stat-label{font-size:14px;color:var(--text-2);margin-top:8px;}
.result-media{margin-top:34px;}
.result-media img{width:100%;height:340px;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-sm);background:#E7EDF7;}
.result-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-sm);height:100%;
  position:relative;overflow:hidden;
}
.result-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--primary);}
.result-card.shift{margin-top:28px;}
.result-card h3{font-size:19px;margin-bottom:12px;}
.result-card p{font-size:15px;line-height:1.8;margin-bottom:0;}

/* 证言 */
.quote-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-sm);height:100%;transition:transform .25s ease,box-shadow .25s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.quote-mark{font-size:44px;line-height:1;color:var(--primary);opacity:.28;font-weight:700;margin-bottom:6px;}
.quote-text{font-size:16px;line-height:1.85;color:var(--text-2);margin-bottom:22px;}
.quote-foot{display:flex;align-items:center;gap:12px;padding-top:18px;border-top:1px solid var(--border);}
.quote-avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 44px;
  background:var(--primary-soft);color:var(--primary);font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;
}
.quote-name{font-size:15px;font-weight:600;color:var(--text);}
.quote-role{font-size:13px;color:var(--text-3);}
.quote-stars{margin-left:auto;display:flex;gap:3px;}
.quote-stars i{width:9px;height:9px;border-radius:2px;background:var(--accent);display:block;}

/* 资讯列表 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px;}
.news-main{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CBD9F5;}
.news-main .news-cover{width:100%;height:238px;object-fit:cover;background:#E7EDF7;}
.news-main .news-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1;}
.news-main h3{font-size:22px;margin:14px 0 12px;}
.news-main h3 a{color:var(--text);}
.news-main h3 a:hover{color:var(--primary);}
.news-main p{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:20px;}
.news-mini{
  display:flex;gap:14px;height:100%;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:18px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#CBD9F5;}
.news-mini img{width:76px;height:76px;flex:0 0 76px;object-fit:cover;border-radius:10px;background:#E7EDF7;}
.news-mini h3{font-size:15px;line-height:1.55;margin-bottom:6px;}
.news-mini h3 a{color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-mini h3 a:hover{color:var(--primary);}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-3);margin-top:auto;}
.news-empty{
  background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;color:var(--text-3);
}
.news-empty .empty-mark{
  width:56px;height:56px;border-radius:14px;background:var(--primary-tint);
  border:1px solid #D9E4FA;margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:22px;font-weight:700;
}
.list-more{margin-top:34px;text-align:center;}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--border);border-radius:var(--radius-card) !important;
  background:var(--surface);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--text);background:var(--surface);
  padding:20px 24px;border:0;box-shadow:none !important;
}
.accordion-button:not(.collapsed){color:var(--primary);background:var(--primary-tint);}
.accordion-button:focus{box-shadow:var(--focus-ring) !important;}
.accordion-button::after{
  width:16px;height:16px;background-size:16px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231F5BD8'%3E%3Cpath d='M8 1a1 1 0 0 1 1 1v5h5a1 1 0 1 1 0 2H9v5a1 1 0 1 1-2 0V9H2a1 1 0 1 1 0-2h5V2a1 1 0 0 1 1-1z'/%3E%3C/svg%3E");
}
.accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231F5BD8'%3E%3Cpath d='M2 7h12a1 1 0 1 1 0 2H2a1 1 0 1 1 0-2z'/%3E%3C/svg%3E");
}
.accordion-body{padding:4px 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* CTA 条 */
.cta-band{
  background:linear-gradient(135deg,#EAF1FF 0%,#F3F7FF 60%,#FFFFFF 100%);
  border:1px solid #D9E4FA;border-radius:var(--radius-img);
  padding:52px 44px;text-align:center;
}
.cta-band h2{font-size:28px;margin-bottom:12px;}
.cta-band p{font-size:16px;color:var(--text-2);margin-bottom:26px;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}

/* 页脚 */
.site-footer{background:var(--text);color:#C7CEDA;padding:64px 0 0;margin-top:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-mark{
  width:34px;height:34px;border-radius:8px;flex:0 0 34px;
  background:var(--primary);color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.footer-name{font-size:18px;font-weight:700;color:#fff;}
.site-footer p{color:#98A2B3;font-size:14px;line-height:1.85;margin-bottom:14px;}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-keywords span{
  font-size:12px;color:#9DBBF0;background:rgba(31,91,216,.20);
  border:1px solid rgba(31,91,216,.36);border-radius:var(--radius-pill);padding:4px 12px;
}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{color:#98A2B3;font-size:14px;}
.footer-links a:hover{color:#7FA8F5;}
.footer-contact li{font-size:14px;color:#98A2B3;margin-bottom:12px;display:flex;gap:8px;align-items:flex-start;}
.footer-contact li b{color:#C7CEDA;font-weight:600;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7C8798;
}
.footer-bottom a{color:#7C8798;}
.footer-bottom a:hover{color:#7FA8F5;}

/* 响应式 */
@media (max-width:1199.98px){
  .hero h1{font-size:40px;}
  .section{padding:76px 0;}
  .nav-list .nav-link{padding:12px 9px;font-size:14.5px;}
  .stat-num{font-size:38px;}
}
@media (max-width:991.98px){
  .site-header .container{min-height:64px;}
  .navbar-collapse{
    flex-basis:100%;margin-top:12px;border-top:1px solid var(--border);padding-top:8px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;margin-left:0;width:100%;}
  .nav-list .nav-item{border-bottom:1px solid var(--border);}
  .nav-list .nav-item:last-child{border-bottom:0;}
  .nav-list .nav-link{padding:0 4px;min-height:44px;display:flex;align-items:center;font-size:15px;}
  .nav-list .nav-link::after{display:none;}
  .nav-list .nav-link.active{color:var(--primary);}
  .nav-cta{margin:16px 0 8px;width:100%;}
  .hero{padding:56px 0 64px;}
  .hero h1{font-size:34px;}
  .hero-sub{font-size:16px;}
  .hero-visual{margin-top:40px;}
  .hero-visual img{max-height:340px;}
  .section{padding:64px 0;}
  h2.section-title{font-size:27px;}
  .step-row{margin-bottom:56px;}
  .step-media{margin-bottom:28px;}
  .step-media img{height:260px;}
  .pain-offset{margin-top:0;}
  .result-card.shift{margin-top:0;}
  .news-main .news-cover{height:200px;}
  .cta-band{padding:40px 24px;}
  .cta-band h2{font-size:24px;}
  .stat-cell + .stat-cell::before{display:none;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:34px;}
  h2.section-title{font-size:24px;}
  .hero h1{font-size:29px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .btn-main,.btn-ghost{width:100%;}
  .hero-trust{gap:10px 18px;}
  .stat-num{font-size:34px;}
  .stat-cell{padding:14px 8px;}
  .step-no{width:44px;height:44px;font-size:16px;border-radius:10px;}
  .step-row h3{font-size:20px;}
  .step-media img{height:220px;}
  .result-media img{height:230px;}
  .quote-card{padding:24px;}
  .news-main h3{font-size:19px;}
  .news-main .news-body{padding:22px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:575.98px){
  .container{padding-right:16px;padding-left:16px;}
  .hero{padding:44px 0 52px;}
  .hero h1{font-size:25px;}
  .hero-visual img{max-height:250px;}
  .section{padding:44px 0;}
  .stat-num{font-size:30px;}
  .stat-label{font-size:13px;}
  .news-mini{flex-direction:row;padding:16px;}
  .news-mini img{width:64px;height:64px;flex:0 0 64px;}
  .cta-band{padding:32px 18px;}
  .cta-band h2{font-size:21px;}
  .accordion-button{padding:16px 18px;font-size:15px;}
  .accordion-body{padding:2px 18px 18px;}
}

/* roulang page: article */
:root{
  --primary:#1F5BD8;
  --primary-hover:#1747AE;
  --primary-active:#123A8F;
  --primary-soft:#EAF1FF;
  --primary-tint:#F3F7FF;
  --accent:#FF7A45;
  --teal:#12A594;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --text:#101826;
  --text-2:#4A5568;
  --text-3:#8A94A6;
  --border:#E3E8F0;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --shadow-1:0 2px 8px rgba(16,24,38,.06);
  --shadow-2:0 12px 28px rgba(16,24,38,.10);
  --ring:0 0 0 3px rgba(31,91,216,.25);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-hover);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);line-height:1.3;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:6px;}
.container{width:100%;max-width:1200px;padding-left:16px;padding-right:16px;margin:0 auto;}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;border-radius:var(--radius-btn);
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--primary);cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-main:hover{background:var(--primary-hover);border-color:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(31,91,216,.24);}
.btn-main:active{background:var(--primary-active);border-color:var(--primary-active);transform:translateY(0);box-shadow:none;color:#fff;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;border-radius:var(--radius-btn);
  background:#fff;color:var(--primary);font-size:15px;font-weight:600;
  border:1px solid var(--primary);cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-hover);transform:translateY(-1px);}
.btn-ghost:active{background:#DDE8FF;transform:translateY(0);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 4px 16px rgba(16,24,38,.07);}
.site-header .navbar{padding:0;}
.site-header .container{display:flex;align-items:center;min-height:70px;flex-wrap:nowrap;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:8px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
  box-shadow:0 4px 10px rgba(31,91,216,.28);
}
.brand-text{font-size:18px;font-weight:600;color:var(--text);letter-spacing:.01em;}
.navbar-toggler{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--border);border-radius:10px;
  background:#fff;display:flex;align-items:center;justify-content:center;padding:0;
}
.navbar-toggler:focus{box-shadow:var(--ring);}
.toggler-lines{display:block;width:20px;}
.toggler-lines i{display:block;height:2px;background:var(--text);border-radius:2px;margin:4px 0;}
.nav-list{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;
  color:var(--text-2);background:none;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;opacity:.9;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-cta{margin-left:28px;padding:10px 20px;min-height:42px;font-size:14px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border);}
.crumb-bar .container{padding-top:14px;padding-bottom:14px;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);}
.crumb-list li{display:flex;align-items:center;gap:8px;}
.crumb-list li+li::before{content:"/";color:#C4CDDB;}
.crumb-list a{color:var(--text-2);}
.crumb-list a:hover{color:var(--primary);}
.crumb-list .current{color:var(--text-3);}

/* ---------- 文章头 ---------- */
.article-hero{background:#fff;padding:36px 0 8px;}
.article-head{max-width:820px;margin:0 auto;}
.head-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag-pill.accent{background:#FFF1E9;color:#D9541F;}
.article-head h1{font-size:38px;line-height:1.28;letter-spacing:-.01em;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:20px;padding-top:18px;
  border-top:1px solid var(--border);font-size:14px;color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--primary);font-size:13px;}
.cover-frame{margin:28px 0 0;border-radius:var(--radius-img);overflow:hidden;background:var(--primary-tint);border:1px solid var(--border);}
.cover-frame img{width:100%;height:auto;object-fit:cover;}

/* ---------- 正文 ---------- */
.article-main{padding:44px 0 64px;}
.article-shell{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:40px 44px;}
.article-body{font-size:17px;line-height:1.9;color:var(--text-2);word-wrap:break-word;}
.article-body p{margin:0 0 1em;}
.article-body h2{
  font-size:24px;color:var(--text);margin:1.7em 0 .7em;padding-left:14px;
  border-left:4px solid var(--primary);line-height:1.4;
}
.article-body h3{font-size:19px;color:var(--text);margin:1.5em 0 .6em;}
.article-body h4{font-size:17px;color:var(--text);margin:1.3em 0 .5em;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.1em;}
.article-body ul li{list-style:disc;margin-bottom:.45em;}
.article-body ol li{list-style:decimal;margin-bottom:.45em;}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;background:var(--primary-tint);color:var(--text);
  border-left:4px solid var(--primary);border-radius:0 12px 12px 0;
}
.article-body img{border-radius:var(--radius-img);margin:1.4em 0;border:1px solid var(--border);}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left;}
.article-body th{background:var(--primary-tint);color:var(--text);font-weight:600;}
.article-body code{background:var(--primary-tint);padding:2px 6px;border-radius:6px;font-size:15px;color:var(--primary-active);}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--border);
  border-radius:var(--radius-card);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:24px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* ---------- 文末 ---------- */
.article-tail{max-width:820px;margin:28px auto 0;}
.tail-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:24px 28px;}
.tail-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.tail-label i{color:var(--primary);}
.tail-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tail-tag{
  display:inline-block;padding:6px 14px;border-radius:999px;background:var(--primary-tint);
  border:1px solid var(--border);font-size:13px;color:var(--text-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.tail-tag:hover{background:var(--primary-soft);color:var(--primary);border-color:#CFDDFB;}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;padding-top:20px;border-top:1px solid var(--border);}
.share-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);font-size:15px;
  transition:all .2s ease;
}
.share-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-tint);transform:translateY(-2px);}
.back-row{margin-top:22px;}
.section-title-sm{font-size:20px;margin-bottom:18px;}

/* ---------- 相关推荐 ---------- */
.related{padding:8px 0 72px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFDDFB;}
.rel-thumb{position:relative;aspect-ratio:16/9;background:var(--primary-tint);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:17px;line-height:1.5;color:var(--text);}
.rel-body p{font-size:14px;color:var(--text-2);line-height:1.7;}
.rel-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.rel-card:hover .rel-more i{transform:translateX(4px);}
.rel-more i{transition:transform .2s ease;}

/* ---------- CTA 条 ---------- */
.cta-band{padding:0 0 72px;}
.cta-inner{
  background:linear-gradient(135deg,#F3F7FF 0%,#EAF1FF 100%);
  border:1px solid #D9E5FF;border-radius:16px;padding:40px 44px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-inner h2{font-size:24px;margin-bottom:8px;}
.cta-inner p{color:var(--text-2);font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#101826;color:#B9C3D4;padding:64px 0 0;font-size:14px;line-height:1.8;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-mark{
  width:32px;height:32px;border-radius:8px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
}
.footer-name{font-size:17px;font-weight:600;color:#fff;}
.site-footer p{color:#98A3B8;margin-bottom:18px;max-width:340px;}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;}
.footer-keywords span{
  padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.07);
  font-size:12px;color:#C6D0E0;letter-spacing:.02em;
}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#98A3B8;}
.footer-links a:hover{color:#8FB4FF;}
.footer-contact li{margin-bottom:12px;color:#98A3B8;}
.footer-contact b{color:#D5DCEA;font-weight:600;}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#7E8AA0;
}
.footer-bottom a{color:#8FB4FF;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .brand-text{font-size:17px;}
  .nav-list{gap:22px;}
}
@media (max-width:991.98px){
  .site-header .container{min-height:64px;}
  .navbar-collapse{
    flex-basis:100%;background:#fff;margin-top:12px;border-top:1px solid var(--border);
    padding:8px 0 16px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;margin:0;width:100%;}
  .nav-item{border-bottom:1px solid var(--border);}
  .nav-link{display:block;padding:12px 2px;line-height:20px;font-size:15px;}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--primary);}
  .nav-cta{margin:16px 0 0;width:100%;min-height:46px;}
  .article-shell{padding:28px 24px;}
  .article-head h1{font-size:30px;}
  .related-grid{grid-template-columns:1fr;gap:18px;}
  .cta-inner{padding:32px 28px;}
}
@media (max-width:767.98px){
  .article-hero{padding:26px 0 4px;}
  .article-head h1{font-size:26px;}
  .article-meta{gap:14px;font-size:13px;}
  .article-main{padding:32px 0 48px;}
  .article-shell{padding:22px 18px;border-radius:12px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .tail-box{padding:20px;}
  .related{padding:4px 0 56px;}
  .cta-band{padding:0 0 56px;}
  .cta-inner{padding:26px 20px;border-radius:12px;}
  .cta-inner h2{font-size:20px;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .site-footer{padding-top:48px;}
}
@media (max-width:575.98px){
  .container{padding-left:14px;padding-right:14px;}
  .brand-text{font-size:16px;max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .article-head h1{font-size:23px;line-height:1.35;}
  .crumb-bar .container{padding-top:12px;padding-bottom:12px;}
  .crumb-list{font-size:13px;}
  .article-shell{padding:18px 15px;}
  .article-body{font-size:16px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .empty-state{padding:40px 18px;}
}

/* roulang page: category1 */
:root{
  --brand:#1F5BD8;
  --brand-hover:#1747AE;
  --brand-active:#123A8F;
  --brand-soft:#EAF1FF;
  --brand-tint:#F3F7FF;
  --accent:#FF7A45;
  --teal:#12A594;
  --ink:#101826;
  --ink-2:#4A5568;
  --ink-3:#8A94A6;
  --line:#E3E8F0;
  --bg:#F6F8FC;
  --white:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --sh-1:0 2px 8px rgba(16,24,38,.06);
  --sh-2:0 12px 28px rgba(16,24,38,.10);
  --focus:0 0 0 3px rgba(31,91,216,.25);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-hover);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;}
::selection{background:var(--brand-soft);color:var(--brand-active);}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px;}
.container{width:100%;max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 2px 14px rgba(16,24,38,.08);}
.site-header .navbar{padding:0;min-height:70px;flex-wrap:nowrap;}
.brand{display:flex;align-items:center;gap:10px;padding:0;margin:0;}
.brand-mark{
  width:32px;height:32px;border-radius:8px;flex:0 0 32px;
  background:linear-gradient(135deg,var(--brand) 0%,#3F7BEE 100%);
  color:#fff;font-size:16px;font-weight:700;
  display:grid;place-items:center;
}
.brand-text{font-size:18px;font-weight:600;color:var(--ink);white-space:nowrap;}
.navbar-toggler{
  border:1px solid var(--line);border-radius:8px;padding:8px 10px;
  background:var(--white);
}
.navbar-toggler:focus{box-shadow:var(--focus);}
.toggler-lines{display:block;width:20px;}
.toggler-lines i{display:block;height:2px;background:var(--ink-2);border-radius:2px;margin:4px 0;}
.nav-list{gap:28px;margin-left:auto;align-items:center;flex-direction:row;}
.nav-list .nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:24px 0;line-height:1.4;
}
.nav-list .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-list .nav-link:hover{color:var(--brand);}
.nav-list .nav-link:hover::after{transform:scaleX(1);}
.nav-list .nav-link.active{color:var(--brand);font-weight:600;}
.nav-list .nav-link.active::after{transform:scaleX(1);}
.nav-cta{margin-left:32px;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;
  border-radius:var(--r-btn);border:1px solid transparent;
  background:var(--brand);color:#fff;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 20px rgba(31,91,216,.24);}
.btn-main:active{background:var(--brand-active);transform:translateY(0);box-shadow:none;}
.btn-main:focus-visible{box-shadow:var(--focus);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;
  border-radius:var(--r-btn);border:1px solid var(--brand);
  background:var(--white);color:var(--brand);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-hover);transform:translateY(-1px);}
.btn-ghost:focus-visible{box-shadow:var(--focus);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  background:linear-gradient(180deg,var(--brand-tint) 0%,var(--bg) 100%);
  padding:56px 0 72px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(31,91,216,.10) 0%,rgba(31,91,216,0) 70%);
  pointer-events:none;
}
.crumb-nav{margin-bottom:20px;}
.crumb-nav .breadcrumb{margin:0;font-size:14px;background:transparent;padding:0;}
.crumb-nav .breadcrumb-item a{color:var(--ink-3);}
.crumb-nav .breadcrumb-item a:hover{color:var(--brand);}
.crumb-nav .breadcrumb-item.active{color:var(--ink-2);}
.crumb-nav .breadcrumb-item + .breadcrumb-item::before{color:var(--ink-3);}
.hero-tag{
  display:inline-block;margin-bottom:16px;
  padding:5px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.page-hero h1{
  font-size:44px;line-height:1.22;font-weight:700;margin-bottom:18px;
}
.page-hero .hero-sub{
  font-size:17px;line-height:1.8;color:var(--ink-2);
  max-width:560px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;}
.hero-figure{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  box-shadow:var(--sh-2);background:#DDE5F2;
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure-note{
  position:absolute;left:20px;bottom:20px;right:20px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;font-size:14px;color:var(--ink-2);
  box-shadow:var(--sh-1);
}
.hero-figure-note b{color:var(--ink);font-weight:600;}

/* ---------- section base ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--white);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--brand);margin-bottom:14px;
}
.section-tag::before{content:"";width:14px;height:3px;border-radius:2px;background:var(--brand);}
.section-head h2{font-size:32px;line-height:1.3;margin-bottom:16px;}
.section-head p{font-size:16px;line-height:1.8;color:var(--ink-2);}

/* ---------- intro points ---------- */
.intro{padding:64px 0 24px;}
.intro-lead{
  font-size:17px;line-height:1.9;color:var(--ink-2);
  max-width:860px;margin-bottom:32px;
}
.point-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.point-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.point-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9DAFB;}
.point-item i{color:var(--brand);font-size:20px;margin-bottom:12px;display:block;}
.point-item h3{font-size:17px;margin-bottom:8px;}
.point-item p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}

/* ---------- feature rows ---------- */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.feature-row + .feature-row{margin-top:72px;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{
  border-radius:var(--r-img);overflow:hidden;
  box-shadow:var(--sh-2);background:#DDE5F2;
}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.feature-body h3{font-size:20px;margin-bottom:14px;}
.feature-body p{font-size:15.5px;line-height:1.85;color:var(--ink-2);margin-bottom:16px;}
.check-list{list-style:none;padding:0;}
.check-list li{
  position:relative;padding-left:28px;margin-bottom:11px;
  font-size:15px;line-height:1.75;color:var(--ink-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:14px;height:14px;border-radius:4px;background:var(--brand-soft);
  border:1px solid #C9DAFB;
}
.check-list li::after{
  content:"";position:absolute;left:4.5px;top:13px;
  width:5px;height:5px;border-radius:50%;background:var(--brand);
}

/* ---------- steps ---------- */
.step-list{list-style:none;padding:0;margin:0;position:relative;}
.step-item{
  position:relative;
  display:grid;grid-template-columns:64px 1fr;gap:24px;
  padding:26px 28px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-item + .step-item{margin-top:16px;}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9DAFB;}
.step-num{
  width:56px;height:56px;border-radius:12px;
  background:var(--brand-tint);border:1px solid #D6E3FB;
  color:var(--brand);font-size:18px;font-weight:700;
  display:grid;place-items:center;
}
.step-body h3{font-size:19px;margin-bottom:10px;}
.step-body p{font-size:15px;line-height:1.85;color:var(--ink-2);}
.step-meta{
  margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;
}
.step-meta span{
  font-size:12px;padding:4px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-weight:500;
}
.step-meta span.warn{background:#FFF1EA;color:#C24E1B;}
.step-meta span.ok{background:#E6F6F4;color:#0C7C70;}

/* ---------- notice cards ---------- */
.notice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.notice-card{
  position:relative;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:28px 28px 26px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.notice-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:3px;
  border-radius:var(--r-card) var(--r-card) 0 0;background:var(--brand);
  opacity:.85;
}
.notice-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9DAFB;}
.notice-card h3{font-size:18px;margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.notice-card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 8px;}
.notice-card p{font-size:15px;line-height:1.85;color:var(--ink-2);}
.notice-card p + p{margin-top:10px;}

/* ---------- faq ---------- */
.cat-faq .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--white);box-shadow:var(--sh-1);overflow:hidden;
  margin-bottom:12px;
}
.cat-faq .accordion-button{
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
  background:var(--white);box-shadow:none;line-height:1.6;
}
.cat-faq .accordion-button::after{display:none;}
.cat-faq .accordion-button::before{
  content:"";order:2;margin-left:auto;flex:0 0 22px;
  width:22px;height:22px;border-radius:6px;
  background-color:var(--brand-soft);
  background-image:linear-gradient(var(--brand),var(--brand)),linear-gradient(var(--brand),var(--brand));
  background-size:10px 2px,2px 10px;
  background-position:center center;
  background-repeat:no-repeat;
  transition:background-size .22s ease;
}
.cat-faq .accordion-button:not(.collapsed){
  color:var(--brand);background:var(--brand-tint);
}
.cat-faq .accordion-button:not(.collapsed)::before{background-size:10px 2px,2px 0;}
.cat-faq .accordion-button:focus{box-shadow:var(--focus);z-index:2;}
.cat-faq .accordion-body{
  padding:4px 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 88px;}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--brand-tint);border:1px solid #D6E3FB;border-radius:16px;
  padding:48px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(31,91,216,.14) 0%,rgba(31,91,216,0) 70%);
}
.cta-inner h2{font-size:26px;line-height:1.4;margin-bottom:10px;}
.cta-inner p{font-size:15px;color:var(--ink-2);max-width:620px;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- footer ---------- */
.site-footer{background:#101826;color:#C7D0DE;padding:64px 0 0;margin-top:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-mark{
  width:32px;height:32px;border-radius:8px;flex:0 0 32px;
  background:linear-gradient(135deg,var(--brand) 0%,#3F7BEE 100%);
  color:#fff;font-weight:700;display:grid;place-items:center;font-size:16px;
}
.footer-name{color:#fff;font-size:17px;font-weight:600;}
.site-footer p{font-size:14px;line-height:1.85;color:#98A4B6;margin:0 0 18px;}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;}
.footer-keywords span{
  font-size:12px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.08);
  color:#B9C4D4;letter-spacing:.02em;
}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#98A4B6;font-size:14px;}
.footer-links a:hover{color:#7FA9FF;}
.footer-contact{list-style:none;padding:0;margin:0;font-size:14px;line-height:1.9;color:#98A4B6;}
.footer-contact li{margin-bottom:10px;}
.footer-contact b{color:#C7D0DE;font-weight:500;}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7E8AA0;
}
.footer-bottom a{color:#7FA9FF;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:38px;}
  .section{padding:72px 0;}
  .feature-row{gap:40px;}
}
@media (max-width:991px){
  .site-header .navbar{min-height:64px;}
  .navbar-collapse{
    border-top:1px solid var(--line);
    margin-top:0;padding:8px 0 20px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;margin-left:0;width:100%;}
  .nav-list .nav-item{border-bottom:1px solid var(--line);}
  .nav-list .nav-link{padding:12px 2px;min-height:44px;display:flex;align-items:center;font-size:15px;}
  .nav-list .nav-link::after{bottom:6px;}
  .nav-cta{margin:18px 0 0;width:100%;}
  .brand-text{font-size:16px;}
  .page-hero{padding:40px 0 56px;}
  .page-hero h1{font-size:34px;}
  .page-hero .hero-sub{font-size:16px;}
  .hero-figure{margin-top:32px;}
  .feature-row{grid-template-columns:1fr;gap:28px;}
  .feature-row.reverse .feature-media{order:0;}
  .point-strip{grid-template-columns:1fr 1fr;}
  .notice-grid{grid-template-columns:1fr;}
  .cta-inner{padding:36px 28px;}
  .section-head h2{font-size:27px;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:29px;}
  .page-hero .hero-sub{font-size:15.5px;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:24px;}
  .point-strip{grid-template-columns:1fr;}
  .step-item{grid-template-columns:1fr;gap:14px;padding:22px;}
  .step-num{width:48px;height:48px;font-size:16px;}
  .cta-band{padding-bottom:56px;}
  .cta-inner{padding:28px 20px;}
  .cta-inner h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .page-hero{padding:32px 0 44px;}
  .page-hero h1{font-size:26px;}
  .hero-actions{gap:14px;}
  .hero-actions .btn-main{width:100%;}
  .hero-figure-note{position:static;margin:0;border-radius:0;border-left:0;border-right:0;border-bottom:0;box-shadow:none;}
  .section{padding:44px 0;}
  .section-head h2{font-size:21px;}
  .feature-body h3{font-size:18px;}
  .faq .accordion-button{font-size:15px;padding:18px;}
  .cat-faq .accordion-body{padding:2px 18px 20px;}
}

/* roulang page: category2 */
:root{
  --brand:#1F5BD8;
  --brand-hover:#1747AE;
  --brand-active:#123A8F;
  --brand-soft:#EAF1FF;
  --brand-tint:#F3F7FF;
  --accent:#FF7A45;
  --good:#12A594;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --ink:#101826;
  --ink-2:#4A5568;
  --ink-3:#8A94A6;
  --line:#E3E8F0;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --r-pill:999px;
  --sh-card:0 2px 8px rgba(16,24,38,.06);
  --sh-hover:0 12px 28px rgba(16,24,38,.10);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-hover);}
a:focus-visible,button:focus-visible,.nav-link:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(31,91,216,.25);
  border-radius:6px;
}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:0;}
h1{font-size:46px;line-height:1.2;}
h2{font-size:32px;line-height:1.3;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{margin:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:0 6px 18px rgba(16,24,38,.07);}
.site-header .navbar{height:72px;padding:0;}
.site-header .container{display:flex;align-items:center;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:10px;padding:0;margin-right:auto;}
.brand-mark{
  width:32px;height:32px;border-radius:8px;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;
  box-shadow:0 4px 10px rgba(31,91,216,.28);
}
.brand-text{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:.01em;}
.brand:hover .brand-text{color:var(--brand);}
.navbar-toggler{
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;padding:11px 13px;
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(31,91,216,.22);}
.toggler-lines{display:block;width:20px;height:14px;position:relative;}
.toggler-lines i{position:absolute;left:0;width:100%;height:2px;border-radius:2px;background:var(--ink);transition:.2s;}
.toggler-lines i:nth-child(1){top:0;}
.toggler-lines i:nth-child(2){top:6px;}
.toggler-lines i:nth-child(3){top:12px;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-list .nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;font-weight:500;color:var(--ink-2);
  line-height:44px;
  transition:color .18s ease;
}
.nav-list .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav-list .nav-link:hover{color:var(--brand);}
.nav-list .nav-link:hover::after{transform:scaleX(1);}
.nav-list .nav-link.active{color:var(--brand);font-weight:600;}
.nav-list .nav-link.active::after{transform:scaleX(1);}
.nav-cta{margin-left:28px;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;
  background:var(--brand);color:#fff;
  font-size:15px;font-weight:600;
  border:1px solid var(--brand);border-radius:var(--r-btn);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-main:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(31,91,216,.24);}
.btn-main:active{background:var(--brand-active);border-color:var(--brand-active);transform:translateY(0);box-shadow:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;
  background:#fff;color:var(--brand);
  font-size:15px;font-weight:600;
  border:1px solid var(--brand);border-radius:var(--r-btn);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-hover);transform:translateY(-1px);box-shadow:0 8px 18px rgba(31,91,216,.14);}
.btn-ghost:active{transform:translateY(0);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* ===== 通用排版 ===== */
.section{padding:88px 0;}
.section-alt{background:var(--surface);}
.section-head{max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:var(--r-pill);
}
.section-title{margin-top:16px;}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.85;}
.divider-node{display:flex;align-items:center;gap:10px;margin:22px 0;}
.divider-node::before,.divider-node::after{content:"";height:1px;background:var(--line);flex:1;}
.divider-node span{width:8px;height:8px;background:var(--brand);border-radius:2px;transform:rotate(45deg);}

/* ===== 面包屑 ===== */
.crumb-wrap{background:var(--surface);border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--ink-3);}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:var(--ink-3);}
.crumb .current{color:var(--brand);font-weight:600;}

/* ===== Hero ===== */
.cat-hero{
  position:relative;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--brand-tint) 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;right:-120px;top:-90px;width:520px;height:520px;
  background:radial-gradient(circle at center,rgba(31,91,216,.10),rgba(31,91,216,0) 68%);
  border-radius:50%;pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:56px 0 64px;}
.cat-hero h1{margin-top:18px;}
.cat-hero .lead{margin-top:18px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:560px;}
.cat-hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:28px;}
.hero-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-hover);background:#EEF3FB;}
.hero-media img{width:100%;height:320px;object-fit:cover;}

/* ===== 导语 + 概览 ===== */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;}
.intro-text p{color:var(--ink-2);font-size:16px;line-height:1.9;}
.intro-text p + p{margin-top:16px;}
.intro-note{
  margin-top:24px;padding:18px 22px;border-radius:var(--r-card);
  background:var(--brand-tint);border-left:3px solid var(--brand);
  color:var(--ink-2);font-size:15px;line-height:1.8;
}
.overview-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:28px;
}
.overview-card h3{font-size:18px;}
.overview-list{margin-top:18px;display:grid;gap:14px;}
.overview-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);line-height:1.75;}
.overview-list li i{color:var(--good);font-size:14px;margin-top:5px;flex:none;}
.overview-list li b{color:var(--ink);font-weight:600;}

/* ===== 时间线清单 ===== */
.timeline{position:relative;margin-top:44px;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:23px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand),#C9D8F6);border-radius:2px;
}
.tl-item{position:relative;display:grid;grid-template-columns:48px 1fr;gap:22px;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-index{
  width:48px;height:48px;border-radius:12px;background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--brand);
  position:relative;z-index:2;
}
.tl-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#C9D8F6;}
.tl-body h3{margin-bottom:10px;}
.tl-body p{color:var(--ink-2);font-size:15px;line-height:1.85;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.02em;font-weight:600;
  color:var(--brand);background:var(--brand-soft);
  padding:5px 12px;border-radius:var(--r-pill);
}
.tag-soft{color:var(--ink-2);background:#F1F4F9;}

/* ===== 要点表 ===== */
.table-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;margin-top:36px;
}
.table-card .table{margin:0;border-collapse:separate;border-spacing:0;}
.table-card thead th{
  background:var(--brand-tint);
  color:var(--ink);font-size:14px;font-weight:600;
  padding:16px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.table-card tbody td{
  padding:18px 20px;font-size:15px;color:var(--ink-2);line-height:1.8;
  border-bottom:1px solid var(--line);vertical-align:top;
}
.table-card tbody tr:last-child td{border-bottom:none;}
.table-card tbody tr{transition:background .18s ease;}
.table-card tbody tr:hover{background:#FAFCFF;}
.table-card tbody td:first-child{color:var(--ink);font-weight:600;}
.pri{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--r-pill);}
.pri-high{color:#B23B12;background:#FFF1EA;}
.pri-mid{color:#0E7C70;background:#E6F6F3;}
.pri-low{color:#3A4A66;background:#EFF3FA;}

/* ===== 细节双列卡 ===== */
.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px;}
.detail-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-card);position:relative;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.detail-card::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--brand);opacity:.9;}
.detail-card:nth-child(2)::before{background:var(--accent);}
.detail-card:nth-child(3)::before{background:var(--good);}
.detail-card:nth-child(4)::before{background:#6B7CFF;}
.detail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#C9D8F6;}
.detail-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.detail-card h3{margin-bottom:10px;}
.detail-card p{color:var(--ink-2);font-size:15px;line-height:1.85;}

/* ===== FAQ ===== */
.faq-wrap{margin-top:40px;}
.faq-wrap .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card) !important;
  background:var(--surface);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-card);
}
.faq-wrap .accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);
  background:var(--surface);padding:20px 24px;box-shadow:none;
}
.faq-wrap .accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-tint);}
.faq-wrap .accordion-button:focus{box-shadow:0 0 0 3px rgba(31,91,216,.18);z-index:3;}
.faq-wrap .accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);width:auto;height:auto;transform:none;
  transition:transform .2s ease;
}
.faq-wrap .accordion-button:not(.collapsed)::after{content:"\f068";transform:none;}
.faq-wrap .accordion-body{padding:0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.85;}

/* ===== CTA ===== */
.cta-band{
  background:var(--brand-tint);border:1px solid #DCE7FB;border-radius:16px;
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:26px;}
.cta-band p{margin-top:10px;color:var(--ink-2);font-size:15px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{background:#101826;color:#B7C0CE;padding:64px 0 0;margin-top:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-mark{
  width:30px;height:30px;border-radius:8px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.footer-name{font-size:17px;font-weight:600;color:#fff;}
.site-footer p{font-size:14px;line-height:1.85;color:#98A3B3;}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-keywords span{
  font-size:12px;color:#C6D2E4;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.10);padding:5px 12px;border-radius:var(--r-pill);
}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:11px;}
.footer-links a,.footer-contact li{font-size:14px;color:#98A3B3;line-height:1.7;}
.footer-links a:hover{color:#8FB6FF;}
.footer-contact li{margin-bottom:11px;}
.footer-contact b{color:#D6DEEA;font-weight:600;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8A94A6;
}
.footer-bottom a{color:#8FB6FF;}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  h1{font-size:40px;}
  .cat-hero-grid{gap:36px;}
  .nav-list{gap:22px;}
  .nav-cta{margin-left:20px;}
}
@media (max-width:991.98px){
  .site-header .navbar{height:auto;padding:12px 0;}
  .navbar-collapse{
    margin-top:12px;border-top:1px solid var(--line);padding-top:6px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list .nav-link{
    display:block;line-height:44px;padding:0 2px;
    border-bottom:1px solid var(--line);font-size:15px;
  }
  .nav-list .nav-link::after{display:none;}
  .nav-list .nav-item:last-child .nav-link{border-bottom:none;}
  .nav-cta{margin:16px 0 6px;width:100%;}
  .cat-hero-grid{grid-template-columns:1fr;padding:40px 0 48px;}
  .hero-media img{height:260px;}
  h1{font-size:36px;}
  h2{font-size:28px;}
  .section{padding:64px 0;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  h1{font-size:31px;}
  h2{font-size:25px;}
  h3{font-size:18px;}
  .section{padding:52px 0;}
  .detail-grid{grid-template-columns:1fr;gap:18px;}
  .timeline::before{left:19px;}
  .tl-item{grid-template-columns:40px 1fr;gap:16px;padding-bottom:26px;}
  .tl-index{width:40px;height:40px;border-radius:10px;font-size:15px;}
  .tl-body{padding:20px;}
  .table-card{overflow-x:auto;}
  .table-card .table{min-width:620px;}
  .cta-band{padding:30px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .hero-media img{height:220px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:27px;}
  h2{font-size:22px;}
  .cat-hero .lead{font-size:15.5px;}
  .cat-hero-actions{gap:12px;}
  .cat-hero-actions .btn-main,.cat-hero-actions .btn-ghost{width:100%;}
  .overview-card,.detail-card{padding:22px;}
  .brand-text{font-size:16px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --brand:#1F5BD8;
  --brand-hover:#1747AE;
  --brand-active:#123A8F;
  --brand-soft:#EAF1FF;
  --brand-tint:#F3F7FF;
  --accent:#FF7A45;
  --teal:#12A594;
  --page-bg:#F6F8FC;
  --surface:#FFFFFF;
  --text:#101826;
  --text-2:#4A5568;
  --text-3:#8A94A6;
  --border:#E3E8F0;
  --dash:#101826;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(16,24,38,.06);
  --sh-2:0 12px 28px rgba(16,24,38,.10);
  --focus:0 0 0 3px rgba(31,91,216,.25);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--page-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-hover);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(16,24,38,.08);}
.site-header .navbar{padding:0;min-height:70px;}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;padding:0;}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;
  border-radius:8px;font-size:16px;font-weight:700;letter-spacing:0;
}
.brand-text{font-size:18px;font-weight:600;color:var(--text);white-space:nowrap;}
.brand:hover .brand-text{color:var(--brand);}
.navbar-toggler{
  border:1px solid var(--border);border-radius:10px;
  padding:10px 12px;background:#fff;box-shadow:none!important;
}
.toggler-lines{display:block;width:20px;}
.toggler-lines i{display:block;height:2px;background:var(--text);border-radius:2px;margin:2px 0;}
.toggler-lines i:nth-child(2){width:14px;}
.toggler-lines i:nth-child(3){width:18px;}
.navbar-collapse{justify-content:flex-end;align-items:center;gap:28px;}
.nav-list{display:flex;align-items:center;gap:28px;flex-direction:row;}
.nav-list .nav-item{list-style:none;}
.nav-list .nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;
  color:var(--text-2);background:none!important;border-radius:0;
}
.nav-list .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);
  transform-origin:left center;transition:transform .22s ease;
}
.nav-list .nav-link:hover{color:var(--brand);}
.nav-list .nav-link:hover::after{transform:scaleX(1);}
.nav-list .nav-link.active{color:var(--brand);font-weight:600;}
.nav-list .nav-link.active::after{transform:scaleX(1);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--brand);border-radius:var(--r-btn);
  box-shadow:0 2px 8px rgba(31,91,216,.18);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(31,91,216,.24);}
.btn-main:active{background:var(--brand-active);border-color:var(--brand-active);transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;
  background:#fff;color:var(--brand);font-size:15px;font-weight:600;
  border:1px solid var(--brand);border-radius:var(--r-btn);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-hover);transform:translateY(-1px);}
.btn-ghost:active{background:#dfe9ff;transform:translateY(0);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- hero ---------- */
.page-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--brand-tint) 100%);
  border-bottom:1px solid var(--border);
  padding:56px 0 48px;
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(31,91,216,.10) 0%,rgba(31,91,216,0) 70%);
  pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:18px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#C3CBD9;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .current{color:var(--brand);font-weight:600;}
.page-hero h1{
  font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.01em;
  max-width:760px;
}
.page-hero .hero-sub{
  margin-top:16px;max-width:640px;
  font-size:17px;line-height:1.8;color:var(--text-2);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--border);
  font-size:13px;font-weight:500;color:var(--text-2);
}
.tag-pill i{color:var(--brand);font-size:12px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-media{
  border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--sh-2);background:#EEF2F9;
}
.hero-media img{width:100%;height:260px;object-fit:cover;}

/* ---------- 通用区块 ---------- */
.section{padding:80px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--brand);
  margin-bottom:14px;
}
.section-eyebrow::before{content:"";width:18px;height:3px;background:var(--brand);border-radius:2px;}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-2);}
.lead-block{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:32px;
}
.lead-block p{font-size:16.5px;line-height:1.9;color:var(--text-2);}
.lead-block p+p{margin-top:14px;}
.lead-block strong{color:var(--text);}

/* ---------- 指标条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;margin-top:28px;
}
.metric{padding:26px 22px;border-right:1px solid var(--border);}
.metric:last-child{border-right:none;}
.metric .num{font-size:40px;line-height:1.1;font-weight:700;color:var(--brand);}
.metric .num.accent{color:var(--accent);}
.metric .num.teal{color:var(--teal);}
.metric .label{margin-top:8px;font-size:14px;color:var(--text-2);}

/* ---------- 双列功能卡 ---------- */
.feature-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:28px;height:100%;
  position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--brand);
  opacity:0;transition:opacity .22s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9DAFF;}
.feature-card:hover::before{opacity:1;}
.feature-icon{
  width:46px;height:46px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:19px;
  margin-bottom:18px;
}
.feature-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.feature-card p{font-size:15px;color:var(--text-2);}
.feature-list{margin-top:16px;border-top:1px dashed var(--border);padding-top:14px;}
.feature-list li{
  position:relative;padding-left:20px;font-size:14px;color:var(--text-2);
  line-height:1.9;
}
.feature-list li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:6px;height:6px;border-radius:2px;background:var(--brand);opacity:.65;
}
.feature-media{
  border-radius:12px;overflow:hidden;margin-bottom:18px;
  border:1px solid var(--border);background:#EEF2F9;
}
.feature-media img{width:100%;height:150px;object-fit:cover;}

/* ---------- 侧栏 ---------- */
.side-panel{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px;
}
.side-panel+.side-panel{margin-top:24px;position:static;}
.side-title{
  font-size:16px;font-weight:600;display:flex;align-items:center;gap:8px;
  padding-bottom:14px;border-bottom:1px solid var(--border);margin-bottom:6px;
}
.side-title i{color:var(--brand);}
.side-list li{border-bottom:1px dashed var(--border);}
.side-list li:last-child{border-bottom:none;}
.side-list a{
  display:flex;align-items:flex-start;gap:10px;
  padding:13px 0;font-size:14.5px;color:var(--text-2);line-height:1.6;
}
.side-list a:hover{color:var(--brand);}
.side-list .dot{
  flex:0 0 22px;width:22px;height:22px;border-radius:6px;margin-top:2px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.side-note{font-size:13.5px;color:var(--text-3);line-height:1.8;margin-top:12px;}
.side-cta{
  margin-top:18px;padding:20px;border-radius:12px;
  background:var(--brand-tint);border:1px solid #DCE7FF;
}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:14px;}
.side-cta .btn-main{width:100%;padding:10px 18px;font-size:14px;}

/* ---------- 更新节奏 时间线 ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:15px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,#D5E2FF 100%);
  border-radius:2px;
}
.tl-item{position:relative;padding-left:52px;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:0;top:2px;width:32px;height:32px;border-radius:10px;
  background:#fff;border:2px solid var(--brand);color:var(--brand);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.tl-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.tl-item p{font-size:15px;color:var(--text-2);}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge-outline{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--border);background:#fff;
  font-size:12.5px;font-weight:500;color:var(--text-2);
}

/* ---------- 适用场景 ---------- */
.scene-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px;height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9DAFF;}
.scene-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:var(--dash);color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;
}
.scene-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.scene-card p{font-size:15px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-wrap .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card)!important;
  box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;
}
.faq-wrap .accordion-button{
  font-size:16px;font-weight:600;color:var(--text);
  background:#fff;padding:20px 24px;box-shadow:none!important;
}
.faq-wrap .accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-tint);}
.faq-wrap .accordion-button::after{
  background-image:none;
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);width:auto;height:auto;
  display:flex;align-items:center;transform:none;
  transition:transform .22s ease;
}
.faq-wrap .accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(180deg);}
.faq-wrap .accordion-body{
  padding:4px 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq-wrap .accordion-body p+p{margin-top:10px;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--brand-soft) 0%,var(--brand-tint) 100%);
  border:1px solid #DCE7FF;border-radius:16px;
  padding:48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:28px;line-height:1.35;font-weight:700;}
.cta-band p{margin-top:12px;font-size:15.5px;color:var(--text-2);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- footer ---------- */
.site-footer{background:var(--dash);color:#C7CEDA;padding:64px 0 0;margin-top:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-mark{
  width:32px;height:32px;border-radius:8px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.footer-name{font-size:17px;font-weight:600;color:#fff;}
.site-footer p{font-size:14px;line-height:1.85;color:#9AA6BA;}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-keywords span{
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.10);
  font-size:12.5px;color:#B9C4D6;
}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:#9AA6BA;}
.footer-links a:hover{color:#7FA8FF;}
.footer-contact li{font-size:13.5px;line-height:1.9;color:#9AA6BA;margin-bottom:8px;}
.footer-contact b{color:#CFD8E6;font-weight:600;}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#8A94A6;
}
.footer-bottom a{color:#8A94A6;}
.footer-bottom a:hover{color:#7FA8FF;}

/* ---------- 占位 ---------- */
.img-fallback{background:#EEF2F9;}

/* ---------- 断点 ---------- */
@media (min-width:1200px){
  .container{max-width:1200px;}
}
@media (max-width:1199.98px){
  .page-hero h1{font-size:40px;}
  .section{padding:72px 0;}
  .brand-text{font-size:17px;}
  .nav-list,.navbar-collapse{gap:22px;}
  .nav-list{gap:22px;}
}
@media (max-width:991.98px){
  .site-header .container{flex-wrap:wrap;}
  .navbar-collapse{
    flex-basis:100%;width:100%;
    border-top:1px solid var(--border);margin-top:12px;padding:8px 0 18px;
    gap:0;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%;}
  .nav-list .nav-item{border-bottom:1px solid var(--border);}
  .nav-list .nav-link{padding:14px 4px;min-height:44px;display:flex;align-items:center;}
  .nav-list .nav-link::after{display:none;}
  .nav-list .nav-link.active{color:var(--brand);}
  .nav-cta{margin-top:16px;width:100%;}
  .page-hero{padding:44px 0 40px;}
  .page-hero h1{font-size:34px;}
  .hero-media img{height:240px;margin-top:32px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:28px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2){border-right:none;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--border);}
  .side-panel{position:static;margin-top:32px;}
  .side-panel+.side-panel{margin-top:24px;}
  .cta-band{padding:36px;}
  .cta-band h2{font-size:24px;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-sub{font-size:16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:25px;}
  .lead-block{padding:24px;}
  .feature-card,.scene-card{padding:22px;}
  .metric .num{font-size:34px;}
  .cta-band{padding:28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .brand-text{font-size:16px;}
  .page-hero{padding:36px 0 32px;}
  .page-hero h1{font-size:27px;line-height:1.28;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-right:none;border-bottom:1px solid var(--border);}
  .metric:last-child{border-bottom:none;}
  .section{padding:48px 0;}
  .section-head h2{font-size:23px;}
  .hero-media img{height:200px;}
  .faq-wrap .accordion-button{padding:16px 18px;font-size:15px;}
  .faq-wrap .accordion-body{padding:2px 18px 18px;}
  .tl-item{padding-left:44px;}
  .cta-band h2{font-size:21px;}
}