/* roulang page: index */
:root{
  --bg-page:#F5F8FC;
  --primary:#1F5E9E;
  --primary-deep:#174B80;
  --deep-navy:#142C40;
  --amber:#D98E2D;
  --cyan:#4C93B3;
  --line:#E1E8F1;
  --ink:#1F2D3D;
  --ink-soft:#64758A;
  --card-bg:#FFFFFF;
  --radius-lg:14px;
  --radius-md:8px;
  --shadow-card:0 6px 18px rgba(20,44,64,0.07);
  --shadow-hover:0 18px 36px rgba(20,44,64,0.12);
  --shadow-nav:0 1px 0 rgba(20,44,64,0.06);
  --font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --ease:all 0.2s ease-out;
}

*,
*::before,
*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  background:var(--bg-page);
  color:var(--ink);
  font-family:var(--font-family);
  font-size:1rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--ease)}
a:hover{color:var(--primary-deep)}
button,input,select,textarea{font-family:inherit}
button{background:none;border:none;cursor:pointer}
ul,ol{list-style:none}

.container{max-width:1240px;margin:0 auto;padding:0 28px}
.section{padding:96px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:0.9rem;font-weight:600;color:var(--primary);
  border:1px solid rgba(31,94,158,0.18);
  background:rgba(31,94,158,0.06);
  padding:4px 14px;border-radius:999px;margin-bottom:18px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:36px;
}
.section-title{
  font-size:2rem;
  font-weight:700;
  color:var(--ink);
  line-height:1.3;
  padding-left:14px;
  border-left:4px solid var(--primary);
  letter-spacing:0.01em;
}
.section-lead{
  max-width:560px;
  color:var(--ink-soft);
  font-size:0.95rem;
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:0.95rem;font-weight:600;color:var(--primary);
  transition:var(--ease);
}
.text-link:hover{gap:10px;color:var(--primary-deep)}
.asterisk{color:var(--amber);font-size:0.85rem}

/* 按钮系统 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:10px 26px;
  border-radius:var(--radius-md);
  font-size:1rem;
  font-weight:600;
  transition:var(--ease);
  white-space:nowrap;
  border:1.5px solid transparent;
  text-align:center;
  line-height:1.4;
}
.btn:focus-visible{outline:3px solid rgba(76,147,179,0.45);outline-offset:2px}
.btn-amber{
  background:var(--amber);
  color:#2E2010;
  box-shadow:0 8px 18px rgba(217,142,45,0.16);
}
.btn-amber:hover{
  background:#C97A1B;
  color:#FFFFFF;
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(217,142,45,0.26);
}
.btn-outline-primary{
  background:#FFFFFF;
  border-color:rgba(31,94,158,0.35);
  color:var(--primary);
}
.btn-outline-primary:hover{
  border-color:var(--primary);
  background:rgba(31,94,158,0.08);
  color:var(--primary-deep);
  transform:translateY(-2px);
}
.btn-navy{
  background:rgba(255,255,255,0.1);
  color:#FFFFFF;
  border:1px solid rgba(255,255,255,0.25);
}
.btn-navy:hover{background:rgba(255,255,255,0.18);color:#fff}
.btn-light{
  background:#fff;
  color:var(--primary);
}
.btn-light:hover{background:#F0F5FB;color:var(--primary-deep)}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;
  align-items:center;
  padding:3px 13px;
  font-size:0.8rem;
  font-weight:500;
  border-radius:999px;
  background:#EAF1F8;
  color:var(--primary);
  white-space:nowrap;
}
.badge-amber{
  background:rgba(217,142,45,0.13);
  color:#A3671B;
}
.badge-cyan{
  background:rgba(76,147,179,0.12);
  color:#3B7796;
}
.badge-white{
  background:rgba(255,255,255,0.15);
  color:#fff;
}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:1200;
  height:72px;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(20,44,64,0.06);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  max-width:1240px;
  margin:0 auto;
  padding:0 28px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:38px;
  height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#FFFFFF;
  background:var(--primary);
  border-radius:11px;
  box-shadow:0 6px 14px rgba(31,94,158,0.2);
}
.logo-name{
  font-size:1.16rem;
  font-weight:700;
  color:var(--ink);
  letter-spacing:0.01em;
  line-height:1.2;
}
.logo-name span{color:var(--primary);font-weight:600}
.primary-nav{
  display:flex;
  align-items:center;
  gap:34px;
  margin-left:auto;
}
.primary-nav a{
  position:relative;
  color:var(--ink);
  font-size:0.96rem;
  font-weight:500;
  padding:20px 0 16px;
}
.primary-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:6px;
  height:2px;
  width:0;
  background:var(--primary);
  border-radius:4px;
  transition:all 0.2s ease-out;
}
.primary-nav a:hover{color:var(--primary)}
.primary-nav a:hover::after{width:100%}
.primary-nav a.active{color:var(--primary);font-weight:600}
.primary-nav a.active::after{width:100%}
.header-cta{
  margin-left:10px;
  min-height:42px;
  padding:8px 22px;
  font-size:0.94rem;
  border-radius:999px;
  flex-shrink:0;
}
.nav-burger{
  display:none;
  margin-left:12px;
  width:44px;
  height:44px;
  border-radius:10px;
  align-items:center;
  justify-content:center;
  background:rgba(31,94,158,0.06);
  flex-shrink:0;
}
.nav-burger svg{stroke:var(--ink)}
.nav-burger:hover{background:rgba(31,94,158,0.12)}

/* 移动抽屉导航 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:1500;
  visibility:hidden;
  opacity:0;
  transition:opacity 0.25s ease-out,visibility 0.25s ease-out;
  pointer-events:none;
}
.mobile-drawer.open{
  visibility:visible;
  opacity:1;
  pointer-events:auto;
}
.drawer-panel{
  position:absolute;
  top:0;
  right:0;
  width:min(420px,88vw);
  height:100%;
  background:#FFFFFF;
  padding:32px 32px 38px;
  box-shadow:-18px 0 46px rgba(20,44,64,0.2);
  transform:translateX(4%);
  transition:transform 0.28s ease-out;
  display:flex;
  flex-direction:column;
}
.mobile-drawer.open .drawer-panel{transform:translateX(0)}
.drawer-close{
  margin-left:auto;
  width:44px;
  height:44px;
  border-radius:50%;
  background:rgba(31,94,158,0.07);
  color:var(--ink);
  font-size:1.6rem;
  line-height:1;
  transition:var(--ease);
}
.drawer-close:hover{background:rgba(31,94,158,0.14);transform:rotate(90deg)}
.drawer-links{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-top:52px;
}
.drawer-links a{
  font-size:1.32rem;
  font-weight:600;
  color:var(--ink);
  padding:14px 8px;
  border-bottom:1px solid var(--line);
  transition:var(--ease);
}
.drawer-links a:hover,
.drawer-links a.active{color:var(--primary);padding-left:18px}
.drawer-cta{
  margin-top:auto;
  border-radius:999px;
  width:100%;
}

/* hero */
.hero{
  position:relative;
  overflow:hidden;
  background:#F5F8FC;
  min-height:640px;
  display:flex;
  align-items:center;
  padding:60px 0 70px;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:left top;
  opacity:0.18;
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  right:-10%;
  top:-20%;
  width:560px;
  height:560px;
  background:radial-gradient(circle,rgba(76,147,179,0.12) 0%,rgba(255,255,255,0) 68%);
  pointer-events:none;
}
.hero-content{
  position:relative;
  z-index:2;
}
.hero-badge{
  display:inline-flex;
  gap:8px;
  align-items:center;
  background:rgba(255,255,255,0.85);
  border:1px solid var(--line);
  padding:5px 14px;
  border-radius:999px;
  font-size:0.86rem;
  color:var(--primary);
  font-weight:600;
  box-shadow:var(--shadow-card);
}
.hero-title{
  font-size:clamp(2.3rem,4.2vw,3.2rem);
  line-height:1.24;
  font-weight:700;
  color:var(--ink);
  max-width:14em;
  margin:22px 0 20px;
  letter-spacing:0.01em;
}
.hero-title strong{color:var(--primary)}
.hero-desc{
  max-width:590px;
  font-size:1.06rem;
  color:var(--ink-soft);
  line-height:2;
  margin-bottom:34px;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:44px;
}
.hero-trust{
  display:flex;
  flex-wrap:wrap;
  gap:12px 18px;
  max-width:640px;
}
.trust-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:0.92rem;
  color:#244059;
  background:rgba(255,255,255,0.7);
  border:1px solid var(--line);
  padding:8px 14px;
  border-radius:999px;
}
.trust-chip svg{stroke:var(--primary)}
.hero-media{
  position:relative;
  z-index:1;
  height:100%;
  min-height:470px;
}
.hero-photo{
  position:absolute;
  top:30px;
  right:10px;
  width:460px;
  max-width:none;
  border-radius:20px;
  border:8px solid #fff;
  box-shadow:var(--shadow-hover);
  transform:rotate(1.4deg);
}
.hero-card-float{
  position:absolute;
  right:90px;
  bottom:20px;
  background:#FFFFFF;
  box-shadow:var(--shadow-hover);
  border-radius:14px;
  padding:16px 20px;
  display:flex;
  align-items:center;
  gap:14px;
  border-left:4px solid var(--amber);
}
.hero-card-float small{display:block;color:var(--ink-soft);font-size:0.8rem}

/* 信任背书 */
.trustbar{
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  padding:14px 0;
}
.trustbar .grid-x{
  align-items:center;
}
.trust-item{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  color:#3B506D;
  font-size:0.95rem;
  padding:10px 0;
}
.trust-item svg{stroke:var(--amber)}

/* 核心服务 */
.services{background:#FFFFFF}
.services-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.service-card{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 28px;
  box-shadow:var(--shadow-card);
  position:relative;
  transition:var(--ease);
  overflow:hidden;
}
.service-card::before{
  content:"";
  position:absolute;
  left:0;
  top:24px;
  bottom:24px;
  width:4px;
  background:var(--primary);
  border-radius:0 4px 4px 0;
  opacity:0;
  transition:var(--ease);
}
.service-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(31,94,158,0.28);
}
.service-card:hover::before{opacity:1}
.service-card.offer-main{grid-column:span 5}
.service-card.offer-sub{grid-column:span 7}
.service-card.offer-wide{grid-column:span 6}
.service-card .icon-holder{
  width:48px;
  height:48px;
  border-radius:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(31,94,158,0.08);
  color:var(--primary);
  margin-bottom:18px;
}
.service-card h3{
  font-size:1.22rem;
  font-weight:700;
  color:var(--ink);
  margin-bottom:10px;
  line-height:1.5;
}
.service-card.offer-main p,
.service-card.offer-sub p,
.service-card.offer-wide p{
  color:var(--ink-soft);
  font-size:0.95rem;
  margin-bottom:18px;
}
.service-card ul{margin-bottom:16px}
.service-card ul li{
  display:flex;
  gap:10px;
  font-size:0.92rem;
  color:var(--ink-soft);
  padding:5px 0;
  align-items:center;
}
.service-card ul li svg{flex-shrink:0;stroke:var(--cyan)}
.capability-line{
  grid-column:span 7;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.capability-pill{
  background:#F5F8FC;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:18px 20px;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:0.95rem;
  color:var(--ink);
  font-weight:500;
  transition:var(--ease);
}
.capability-pill:hover{background:#EAF1F8;border-color:rgba(31,94,158,0.25)}
.capability-pill svg{stroke:var(--primary);flex-shrink:0}

/* 数据 */
.stats{
  background:#EEF3FA;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:64px 0;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat-item{text-align:center;padding:12px 0;position:relative}
.stat-item:not(:last-child)::after{
  content:"✦";
  position:absolute;
  right:-12px;
  top:50%;
  transform:translateY(-50%);
  color:var(--amber);
  font-size:0.75rem;
}
.stat-num{
  font-size:3.2rem;
  font-weight:800;
  color:var(--primary);
  line-height:1.2;
  letter-spacing:-0.02em;
}
.stat-label{
  color:var(--ink-soft);
  margin-top:8px;
  font-size:0.95rem;
}

/* 专题案例 */
.case-wrap{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:26px;
  align-items:center;
}
.case-item{
  grid-column:span 6;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:var(--ease);
  display:flex;
  flex-direction:column;
}
.case-item:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
}
.case-media{
  position:relative;
  overflow:hidden;
  line-height:0;
}
.case-media img{width:100%;height:230px;object-fit:cover;transition:transform 0.4s ease-out}
.case-item:hover .case-media img{transform:scale(1.04)}
.case-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.case-item h3{
  font-size:1.2rem;
  font-weight:700;
  margin:12px 0 10px;
  color:var(--ink);
}
.case-item h3 a{color:var(--ink)}
.case-item h3 a:hover{color:var(--primary)}
.case-item p{
  color:var(--ink-soft);
  font-size:0.95rem;
  line-height:1.85;
  margin-bottom:14px;
}
.case-result{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:auto;
  padding-top:12px;
}
.case-banner{
  grid-column:span 12;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  align-items:center;
}
.case-banner-media img{height:230px;width:100%;object-fit:cover}
.case-banner-body{padding:28px 36px}
.case-banner-body h3{font-size:1.2rem;font-weight:700;margin:12px 0 10px}
.case-banner-body p{color:var(--ink-soft);font-size:0.95rem;margin-bottom:12px}

/* 流程场景 */
.workflow{background:#FFFFFF;border-top:1px solid var(--line)}
.workflow-wrap{
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:36px;
}
.workflow-step{
  display:flex;
  gap:20px;
  padding:24px 20px 20px 0;
  border-bottom:1px solid var(--line);
  align-items:flex-start;
}
.workflow-step:last-child{border-bottom:none}
.step-index{
  width:40px;height:40px;
  border-radius:50%;
  color:#FFFFFF;
  background:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;flex-shrink:0;
}
.workflow-step:hover .step-index{background:var(--amber)}
.workflow-step h4{
  font-size:1.06rem;
  color:var(--ink);
  margin-bottom:8px;
  font-weight:600;
}
.workflow-step p{color:var(--ink-soft);font-size:0.93rem;max-width:420px}

/* 最新资讯 */
.news{background:#F5F8FC}
.news-layout{
  display:grid;
  grid-template-columns:1fr 0.42fr;
  gap:26px;
}
.news-main-card{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:16px 24px;
  box-shadow:var(--shadow-card);
}
.post-row{
  padding:20px 2px;
  border-bottom:1px solid var(--line);
  transition:var(--ease);
}
.post-row:last-child{border-bottom:none}
.post-row:hover{padding-left:14px}
.post-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:8px;
  font-size:0.84rem;
  color:var(--cyan);
}
.post-row h3{
  font-size:1.06rem;
  font-weight:600;
  margin-bottom:7px;
  line-height:1.6;
}
.post-row h3 a{color:var(--ink)}
.post-row h3 a:hover{color:var(--primary)}
.post-summary{
  color:var(--ink-soft);
  font-size:0.92rem;
  line-height:1.7;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-more{font-size:0.88rem;color:var(--primary);font-weight:600}
.news-side{
  display:flex;
  flex-direction:column;
  gap:18px;
}
.navcard{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-card);
}
.navcard h4{
  font-size:1.02rem;
  margin-bottom:18px;
  color:var(--ink);
  padding-left:12px;
  border-left:3px solid var(--primary);
}
.cat-nav-list li{margin-bottom:10px}
.cat-nav-list a{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  background:#F5F8FC;
  border:1px solid var(--line);
  border-radius:8px;
  padding:10px 12px 10px 14px;
  color:var(--ink);
  font-size:0.93rem;
  font-weight:500;
  transition:var(--ease);
}
.cat-nav-list a:hover{border-color:rgba(31,94,158,0.35);color:var(--primary);background:rgba(31,94,158,0.05)}
.cat-nav-list span{color:var(--cyan);font-size:0.82rem}
.empty-state{
  text-align:center;
  padding:66px 20px;
  color:var(--ink-soft);
}
.empty-state .empty-date-line{
  color:var(--primary);
  font-weight:600;
  margin-bottom:12px;
}

/* FAQ */
.faq{background:#FFFFFF}
.faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px 28px;
}
.faq-item{
  background:#F7FAFD;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  margin-bottom:10px;
  overflow:hidden;
}
.faq-q{
  display:flex;
  gap:12px;
  align-items:center;
  padding:18px 20px;
  font-size:1rem;
  color:var(--ink);
  font-weight:600;
  text-align:left;
  font-family:var(--font-family);
  width:100%;
  transition:var(--ease);
}
.faq-q:hover{background:rgba(31,94,158,0.04)}
.faq-q .q-icon{
  color:var(--primary);
  font-weight:800;
  flex-shrink:0;
}
.faq-q .faq-toggle-icon{
  margin-left:auto;
  color:var(--cyan);
  font-size:1.3rem;
  transition:transform 0.22s ease-out;
  flex-shrink:0;
}
.faq-item.open .faq-toggle-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 0.28s ease-out;
  color:var(--ink-soft);
  font-size:0.94rem;
  line-height:1.85;
}
.faq-item.open .faq-a{max-height:160px}
.faq-a p{padding:0 20px 18px 44px}
.faq-footer{margin-top:16px;text-align:center;font-size:0.94rem;color:var(--ink-soft)}
.faq-footer a{font-weight:600;color:var(--primary);margin-left:6px}
.faq-footer a:hover{color:var(--primary-deep)}

/* 联系转化 */
.contact{
  background:var(--deep-navy);
  position:relative;
  overflow:hidden;
  color:#FFFFFF;
}
.contact::before{
  content:"";
  position:absolute;
  left:-10%;
  bottom:-30%;
  width:480px;
  height:480px;
  border-radius:50%;
  background:rgba(31,94,158,0.18);
  filter:blur(80px);
  pointer-events:none;
}
.contact-wrap{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 0.85fr;
  gap:62px;
  align-items:center;
}
.contact-info h2{
  color:#fff;
  font-size:2rem;
  font-weight:700;
  margin-bottom:16px;
}
.contact-info > p{
  color:rgba(255,255,255,0.72);
  margin-bottom:26px;
  max-width:460px;
}
.contact-meta{
  display:grid;
  gap:14px;
  margin-top:18px;
}
.contact-meta li{
  display:inline-flex;
  gap:12px;
  align-items:flex-start;
  color:rgba(255,255,255,0.84);
  font-size:0.97rem;
}
.contact-meta svg{stroke:var(--amber);flex-shrink:0;margin-top:4px}
.contact-card{
  background:#FFFFFF;
  border-radius:18px;
  padding:34px 34px 30px;
  box-shadow:0 24px 52px rgba(0,0,0,0.27);
  color:var(--ink);
}
.contact-card h3{
  font-size:1.25rem;
  color:var(--ink);
  margin-bottom:6px;
}
.contact-card-sub{
  color:var(--ink-soft);
  font-size:0.9rem;
  margin-bottom:22px;
}
.field-group{margin-bottom:18px}
.field-group label{
  font-size:0.86rem;
  font-weight:600;
  color:var(--ink);
  margin-bottom:6px;
  display:block;
}
.field-group input,
.field-group textarea{
  width:100%;
  border:1.5px solid var(--line);
  background:#FBFCFE;
  border-radius:8px;
  padding:11px 14px;
  font-size:1rem;
  color:var(--ink);
  transition:var(--ease);
  outline:none;
}
.field-group input:focus,
.field-group textarea:focus{
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(76,147,179,0.18);
  background:#fff;
}
.field-group textarea{min-height:84px;resize:vertical}
.form-submit-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  margin-top:6px;
}
.form-promise{font-size:0.82rem;color:var(--ink-soft)}
.form-note{margin-top:10px;font-size:0.88rem;color:var(--primary);font-weight:600;min-height:24px}

/* footer */
.site-footer{
  background:#0E202F;
  color:rgba(255,255,255,0.7);
  padding:58px 0 24px;
  border-top:1px solid rgba(255,255,255,0.05);
}
.footer-brand{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.footer-logo{
  display:flex;
  align-items:center;
  gap:12px;
  color:#FFFFFF;
}
.footer-logo .logo-mark{
  width:40px;
  height:40px;
  background:#fff;
  color:var(--primary);
}
.footer-logo span{
  font-size:1.2rem;
  font-weight:700;
  color:#fff;
}
.footer-about{
  font-size:0.92rem;
  color:rgba(255,255,255,0.6);
  max-width:380px;
  line-height:1.9;
}
.footer-title{
  font-size:0.88rem;
  font-weight:700;
  color:#fff;
  letter-spacing:.05em;
  margin-bottom:18px;
}
.footer-links a{
  display:block;
  color:rgba(255,255,255,0.65);
  font-size:0.92rem;
  padding:7px 0;
  transition:var(--ease);
}
.footer-links a:hover{color:var(--amber);padding-left:6px}
.footer-contact li{
  color:rgba(255,255,255,0.65);
  font-size:0.92rem;
  padding:7px 0;
}
.footer-bottom{
  margin-top:42px;
  border-top:1px solid rgba(255,255,255,0.08);
  padding-top:20px;
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  color:rgba(255,255,255,0.38);
  font-size:0.8rem;
}
.footer-bottom a{color:rgba(255,255,255,0.45)}
.footer-bottom a:hover{color:var(--amber)}

/* Foundation 栅格覆盖 */
.grid-container{max-width:1240px}
.grid-container .grid-container{padding-left:0;padding-right:0}
.cell{
  margin-bottom:0;
}

/* 响应式 */
@media screen and (max-width:1024px){
  .primary-nav{display:none}
  .nav-burger{display:inline-flex}
  .header-cta{display:none}
  .hero-media{display:none}
  .hero{padding-bottom:54px}
  .hero-title{max-width:780px}
  .service-card.offer-main,
  .service-card.offer-sub,
  .service-card.offer-wide{grid-column:span 6}
  .capability-line{grid-column:span 12}
  .case-wrap{gap:20px}
  .case-banner{grid-template-columns:1fr;max-width:650px;margin:0 auto}
}

@media screen and (max-width:900px){
  .section{padding:68px 0}
  .stats-grid{grid-template-columns:1fr 1fr;gap:28px}
  .stat-item:not(:last-child)::after{display:none}
  .workflow-wrap{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr;gap:36px}
  .contact-info{padding-top:10px}
  .service-card.offer-main,
  .service-card.offer-sub,
  .service-card.offer-wide{grid-column:span 12}
  .capability-line{grid-column:span 12}
  .footer-links{margin-top:28px}
  .faq-grid{grid-template-columns:1fr}
}

@media screen and (max-width:640px){
  .container,
  .header-inner{padding-left:18px;padding-right:18px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;gap:12px}
  .section-title{font-size:1.65rem}
  .hero-title{font-size:2.1rem}
  .hero-desc{font-size:1rem}
  .hero{padding-top:36px;padding-bottom:44px;min-height:0}
  .hero-actions .btn{width:100%}
  .trust-chip{padding:6px 10px;font-size:0.82rem}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-num{font-size:2.4rem}
  .case-item{grid-column:span 12}
  .case-banner .case-banner-body{padding:22px}
  .capability-line{grid-template-columns:1fr}
  .workflow-step{padding-right:0}
  .news-main-card{padding:4px 14px}
  .post-row{padding:16px 4px}
  .contact-card{padding:24px}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
  .faq-grid{gap:0}
}

/* roulang page: article */
:root {
    --sky: #F5F8FC;
    --primary: #1F5E9E;
    --primary-dark: #174B80;
    --deep: #142C40;
    --amber: #D98E2D;
    --teal: #4C93B3;
    --line: #E1E8F1;
    --text: #1F2D3D;
    --muted: #64758A;
    --card: #FFFFFF;
    --radius-lg: 14px;
    --radius: 8px;
    --shadow: 0 6px 18px rgba(20, 44, 64, 0.07);
    --shadow-hover: 0 18px 36px rgba(20, 44, 64, 0.12);
    --nav-shadow: 0 1px 0 rgba(20, 44, 64, 0.06);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--sky);
    color: var(--text);
    font-size: 1rem;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

body.nav-open {
    overflow: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s ease-out;
}

a:hover,
a:focus {
    color: var(--primary-dark);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.row {
    max-width: 1200px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: inherit;
    line-height: 1.4;
    color: var(--text);
}

p {
    line-height: 1.8;
}

button,
input,
textarea,
select {
    font-family: inherit;
    font-size: 1rem;
}

button {
    border: none;
    cursor: pointer;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    font-weight: 700;
    border: 0;
    cursor: pointer;
    text-decoration: none;
    transition: all .2s ease-out;
}

.btn-amber {
    background: var(--amber);
    color: #142C40;
    padding: 11px 26px;
    font-size: 15px;
}

.btn-amber:hover,
.btn-amber:focus {
    background: #f0a13e;
    color: #0d1c26;
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(217, 142, 45, .24);
    outline: none;
}

.btn-outline {
    background: #FFFFFF;
    color: var(--primary);
    border: 1.5px solid #d8e2ed;
    padding: 10px 22px;
}

.btn-outline:hover,
.btn-outline:focus {
    border-color: var(--primary);
    background: #eef4fa;
    color: var(--primary-dark);
    outline: none;
}

.btn:focus-visible,
.site-nav a:focus-visible,
.brand-logo:focus-visible,
.nav-toggle:focus-visible,
.form-control:focus-visible {
    outline: 3px solid rgba(31, 94, 158, .28);
    outline-offset: 2px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(255, 255, 255, .94);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--nav-shadow);
}

.header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: .02em;
    white-space: nowrap;
}

.brand-logo:hover,
.brand-logo:focus {
    color: var(--primary-dark);
}

.logo-mark {
    display: inline-flex;
    color: var(--amber);
    flex: 0 0 auto;
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.primary-nav > a {
    position: relative;
    display: inline-block;
    padding: 10px 15px;
    color: var(--text);
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.4;
    border-radius: 8px;
    transition: color .2s ease-out, background .2s ease-out;
}

.primary-nav > a:hover,
.primary-nav > a:focus {
    color: var(--primary);
    background: #f0f5fb;
}

.primary-nav > a.active {
    color: var(--primary);
}

.primary-nav > a.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.nav-cta {
    margin-left: 18px;
    flex: 0 0 auto;
}

.nav-toggle {
    display: none;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 3px;
    margin: 4px 0;
    transition: transform .2s ease-out, opacity .2s ease-out, background .2s ease-out;
}

@media (max-width: 899px) {
    .header-inner {
        height: 64px;
    }

    .nav-toggle {
        display: inline-flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 42px;
        height: 42px;
        background: transparent;
        border-radius: 8px;
        padding: 5px 7px;
        margin-left: auto;
        flex: 0 0 auto;
    }

    .nav-toggle:hover span {
        background: var(--primary);
    }

    body.nav-open .nav-toggle span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    body.nav-open .nav-toggle span:nth-child(2) {
        opacity: 0;
    }

    body.nav-open .nav-toggle span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .primary-nav {
        position: fixed;
        inset: 0;
        z-index: 40;
        background: #fff;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 0 48px;
        gap: 30px;
        display: none;
        margin: 0;
    }

    body.nav-open .primary-nav {
        display: flex;
    }

    .primary-nav > a {
        font-size: 1.4rem;
        padding: 8px 4px;
        color: var(--text);
    }

    .primary-nav > a.active::after {
        left: 0;
        right: 100%;
        width: 28px;
        bottom: 2px;
    }

    .nav-cta {
        position: fixed;
        bottom: 42px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 41;
        display: none;
        margin: 0;
        width: max-content;
        white-space: nowrap;
    }

    body.nav-open .nav-cta {
        display: inline-flex;
    }

    body.nav-open .brand-logo,
    body.nav-open .nav-toggle {
        z-index: 60;
        position: relative;
    }
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--amber);
    font-weight: 700;
    font-size: .82rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-eyebrow::before {
    content: "";
    width: 18px;
    height: 2px;
    background: var(--amber);
    border-radius: 3px;
}

/* Article Main */
.article-page {
    padding: 56px 0 72px;
}

.article-shell {
    max-width: 900px;
    margin: 0 auto;
    background: var(--card);
    border: 1px solid rgba(225, 232, 241, .8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 48px 54px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: .87rem;
    color: var(--muted);
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 20px;
}

.breadcrumb a {
    color: var(--muted);
}

.breadcrumb a:hover,
.breadcrumb a:focus {
    color: var(--primary);
}

.crumb-sep {
    color: #b8c6d4;
    pointer-events: none;
}

.crumb-current {
    color: var(--muted);
    max-width: 360px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-head {
    margin-bottom: 26px;
}

.article-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    line-height: 1.35;
    font-weight: 700;
    letter-spacing: -.01em;
    margin: 8px 0 18px;
    color: var(--text);
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 18px;
    color: var(--muted);
    font-size: .875rem;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line);
}

.article-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.article-meta svg {
    color: var(--teal);
}

.article-cat {
    display: inline-block;
    background: #eaf2f9;
    color: var(--primary);
    border-radius: 999px;
    padding: 3px 13px;
    font-size: .78rem;
    font-weight: 600;
}

.article-content {
    color: var(--text);
    font-size: 1rem;
    line-height: 1.9;
}

.article-content p {
    margin: 0 0 1.4em;
}

.article-content h2 {
    font-size: clamp(1.35rem, 2.6vw, 1.7rem);
    font-weight: 700;
    margin: 2em 0 .7em;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    line-height: 1.4;
}

.article-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 1.6em 0 .6em;
    color: var(--primary-dark);
}

.article-content blockquote {
    margin: 1.6em 0;
    padding: 18px 22px;
    background: #eef4fa;
    border-left: 3px solid var(--primary);
    border-radius: 0 10px 10px 0;
    color: #33475b;
}

.article-content ul,
.article-content ol {
    margin: 0 0 1.4em;
    padding-left: 1.4em;
}

.article-content li {
    margin-bottom: .4em;
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content a:hover {
    color: var(--primary-dark);
}

.article-content img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin: 2em auto;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.6em 0;
}

.article-content th,
.article-content td {
    border: 1px solid var(--line);
    padding: 10px 14px;
    text-align: left;
}

.article-content th {
    background: #eef4fa;
    color: var(--text);
}

.article-content code {
    background: #eef4fa;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: .9em;
}

.article-tail {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 18px;
    padding: 24px 0;
    margin-top: 24px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.article-tags a {
    display: inline-block;
    background: #f2f5f9;
    border: 1px solid var(--line);
    color: var(--muted);
    padding: 4px 13px;
    border-radius: 999px;
    font-size: .8rem;
    transition: all .2s ease-out;
}

.article-tags a:hover,
.article-tags a:focus {
    background: #eaf2f9;
    border-color: var(--primary);
    color: var(--primary);
}

.share-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.share-label {
    color: var(--muted);
    font-size: .875rem;
    margin-right: 4px;
}

.share-icon {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f2f5f9;
    border-radius: 50%;
    color: var(--text);
    transition: all .2s ease-out;
}

.share-icon:hover,
.share-icon:focus {
    background: var(--primary);
    color: #fff;
}

.article-pager {
    margin: 36px 0 10px;
    border-top: 1px solid var(--line);
}

.article-footer-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    padding-top: 22px;
}

.btn-small {
    padding: 8px 18px;
    font-size: 14px;
}

/* 相关推荐 */
.related-section {
    padding: 12px 0 56px;
}

.related-inner {
    max-width: 980px;
    margin: 0 auto;
}

.related-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 24px;
    padding-left: 4px;
}

.related-head .section-title {
    margin: 0;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    line-height: 1.3;
}

.related-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.related-card {
    display: flex;
    align-items: stretch;
    background: var(--card);
    border: 1px solid rgba(225, 232, 241, .85);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
}

.related-card:hover,
.related-card:focus-within {
    box-shadow: var(--shadow-hover);
    border-color: #d0dcea;
    transform: translateY(-2px);
}

.related-thumb {
    flex: 0 0 180px;
    min-height: 128px;
    overflow: hidden;
}

.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-info {
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.related-info h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 6px;
}

.related-info h3 a {
    color: var(--text);
    display: inline;
}

.related-info h3 a:hover {
    color: var(--primary);
}

.related-desc {
    color: var(--muted);
    font-size: .875rem;
    margin: 0 0 10px;
}

.related-meta {
    color: var(--teal);
    font-size: .8rem;
}

/* 空态 */
.empty-state {
    max-width: 820px;
    margin: 0 auto;
    padding: 80px 28px;
    text-align: center;
    background: var(--card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(225, 232, 241, .8);
    box-shadow: var(--shadow);
}

.empty-state-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #eaf2f9;
    color: var(--primary);
    margin-bottom: 18px;
}

.empty-state h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 14px;
}

.empty-state p {
    color: var(--muted);
    margin: 0 0 26px;
}

.empty-back {
    display: inline-block;
}

/* 联系转化区 */
.contact-cta {
    background: var(--deep);
    padding: 72px 0;
}

.contact-cta-inner {
    max-width: 1120px;
    margin: 0 auto;
}

.contact-intro h2 {
    color: #FFFFFF;
    font-size: clamp(1.7rem, 3vw, 2.1rem);
    font-weight: 700;
    margin: 0 0 14px;
    line-height: 1.35;
}

.contact-intro p {
    color: #b8c7d6;
    line-height: 1.8;
    max-width: 480px;
}

.contact-meta-list {
    list-style: none;
    padding: 0;
    margin: 24px 0 0;
}

.contact-meta-list li {
    color: #b8c7d6;
    font-size: .9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.contact-meta-list li svg {
    color: var(--amber);
    flex: 0 0 auto;
}

.contact-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 34px 30px;
    box-shadow: 0 16px 36px rgba(0, 0, 0, .18);
}

.contact-card .form-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 20px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: .875rem;
    color: var(--muted);
    margin-bottom: 6px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    background: #f7f9fc;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 11px 14px;
    color: var(--text);
    transition: border-color .2s ease-out, box-shadow .2s ease-out, background .2s ease-out;
}

.form-control:focus {
    background: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(31, 94, 158, .12);
    outline: none;
}

textarea.form-control {
    resize: vertical;
    min-height: 92px;
}

.form-submit {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.form-note {
    font-size: .82rem;
    color: var(--muted);
}

/* Footer */
.site-footer {
    background: var(--deep);
    color: #b8c7d6;
    padding: 60px 0 0;
    font-size: .875rem;
}

.footer-brand {
    margin-bottom: 14px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 9px;
    color: #FFFFFF;
    font-size: 1.15rem;
    font-weight: 800;
}

.footer-about {
    color: #9aabc0;
    font-size: .875rem;
    line-height: 1.8;
    max-width: 320px;
    margin: 14px 0 0;
}

.site-footer .footer-title {
    color: #FFFFFF;
    font-size: .95rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: #b8c7d6;
    padding: 4px 0;
    transition: color .2s ease-out, transform .2s ease-out;
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--amber);
    transform: translateX(4px);
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    padding: 4px 0;
    color: #b8c7d6;
}

.footer-bottom {
    margin-top: 44px;
    padding: 18px 0;
    border-top: 1px solid rgba(255, 255, 255, .1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px 18px;
    color: #7f92a6;
    font-size: .8rem;
}

.footer-bottom span {
    color: #7f92a6;
}

@media (max-width: 1023px) {
    .article-shell {
        padding: 38px 34px;
    }

    .related-thumb {
        flex-basis: 150px;
    }

    .contact-cta-inner {
        padding: 0;
    }
}

@media (max-width: 767px) {
    .article-page {
        padding: 32px 0 48px;
    }

    .article-shell {
        padding: 28px 22px;
    }

    .breadcrumb {
        font-size: .8rem;
    }

    .article-title {
        font-size: 1.65rem;
    }

    .article-tail {
        flex-direction: column;
        align-items: flex-start;
    }

    .article-tags {
        width: 100%;
    }

    .related-thumb {
        flex: 0 0 112px;
        min-height: 100px;
    }

    .related-info {
        padding: 14px 16px;
    }

    .related-info h3 {
        font-size: .95rem;
    }

    .empty-state {
        padding: 54px 20px;
    }

    .contact-cta {
        padding: 54px 0;
    }

    .contact-card {
        margin-top: 30px;
        padding: 26px 20px;
    }
}

@media (max-width: 519px) {
    .container {
        padding: 0 16px;
    }

    .article-shell {
        border-radius: 10px;
        padding: 22px 16px;
    }

    .breadcrumb {
        align-items: flex-start;
    }

    .crumb-current {
        max-width: 180px;
    }

    .related-card {
        flex-direction: column;
    }

    .related-thumb {
        flex: none;
        width: 100%;
        height: 140px;
    }

    .related-thumb img {
        object-fit: cover;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* roulang page: category1 */
:root {
  --bg: #F5F8FC;
  --white: #FFFFFF;
  --primary: #1F5E9E;
  --primary-deep: #174B80;
  --deep: #142C40;
  --amber: #D98E2D;
  --teal: #4C93B3;
  --border: #E1E8F1;
  --text: #1F2D3D;
  --muted: #64758A;
  --shadow-card: 0 6px 18px rgba(20,44,64,0.07);
  --shadow-hover: 0 18px 36px rgba(20,44,64,0.12);
  --radius-large: 14px;
  --radius: 8px;
  --cubic: 0.2s ease-out;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

figure,
p,
h1,
h2,
h3,
h4,
ul,
ol {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(31, 94, 158, 0.32);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(20, 44, 64, 0.06);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  color: var(--deep);
}

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 14px rgba(31, 94, 158, 0.2);
}

.brand-text {
  font-weight: 800;
  font-size: 1.2rem;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--deep);
}

.brand-text span {
  color: var(--primary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.desktop-nav a {
  position: relative;
  display: inline-block;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text);
  line-height: 1.4;
  transition: color var(--cubic), background var(--cubic);
}

.desktop-nav a:hover {
  color: var(--primary);
  background: rgba(31, 94, 158, 0.06);
}

.desktop-nav a.active {
  color: var(--primary);
}

.desktop-nav a.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
}

.header-cta {
  background: var(--amber);
  border-radius: 999px;
  color: var(--deep);
  font-weight: 700;
  padding: 10px 22px;
  white-space: nowrap;
  transition: background var(--cubic), color var(--cubic), transform var(--cubic);
}

.header-cta:hover {
  background: var(--deep);
  color: #fff;
  transform: translateY(-1px);
}

.menu-trigger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  cursor: pointer;
  color: var(--deep);
}

.menu-trigger svg {
  width: 22px;
  height: 22px;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 420;
  width: min(88vw, 340px);
  height: 100vh;
  background: var(--white);
  box-shadow: -12px 0 32px rgba(20, 44, 64, 0.16);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.28s ease-out;
  visibility: hidden;
}

.drawer-open .mobile-drawer {
  transform: translateX(0);
  visibility: visible;
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.drawer-close {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: var(--radius);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.drawer-nav a {
  padding: 14px 0;
  font-size: 1.22rem;
  font-weight: 600;
  border-bottom: 1px solid #eef2f7;
  color: var(--deep);
  transition: color var(--cubic);
}

.drawer-nav a:hover,
.drawer-nav a.active {
  color: var(--primary);
}

.drawer-cta {
  margin-top: auto;
  display: block;
  text-align: center;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: rgba(20, 44, 64, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--cubic), visibility var(--cubic);
}

.drawer-open .drawer-overlay {
  opacity: 1;
  visibility: visible;
}

.category-banner {
  padding: clamp(48px, 7vw, 72px) 0 60px;
  background: #edf3fa;
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--primary);
  transition: color var(--cubic);
}

.breadcrumb a:hover {
  color: var(--amber);
}

.breadcrumb span {
  color: #a3afbc;
}

.banner-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(31, 94, 158, 0.08);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.banner-kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
}

.category-banner h1 {
  font-size: clamp(2.3rem, 5vw, 3.1rem);
  line-height: 1.2;
  font-weight: 800;
  color: var(--deep);
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}

.banner-desc {
  max-width: 660px;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 30px;
}

.banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  line-height: 1.4;
  transition: background var(--cubic), color var(--cubic), transform var(--cubic), box-shadow var(--cubic);
}

.btn-amber {
  background: var(--amber);
  color: var(--deep);
  box-shadow: 0 8px 18px rgba(217, 142, 45, 0.2);
}

.btn-amber:hover {
  background: var(--deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-soft {
  background: #e6eef6;
  color: var(--primary);
}

.btn-soft:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.banner-figure {
  position: relative;
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  background: var(--white);
}

.banner-figure img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.banner-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 44, 64, 0.0001) 62%, rgba(20, 44, 64, 0.18) 100%);
  pointer-events: none;
}

.content-card {
  background: var(--white);
  border: 1px solid #e9eef5;
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--cubic), transform var(--cubic);
}

.content-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.section {
  padding: clamp(64px, 8vw, 104px) 0;
}

.section-white {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  margin-bottom: 44px;
  max-width: 860px;
}

.section-head-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head-center .section-intro {
  margin-left: auto;
  margin-right: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--amber);
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 3px;
  border-radius: 3px;
  background: var(--amber);
}

.section-title {
  font-size: clamp(1.75rem, 3.2vw, 2.15rem);
  line-height: 1.35;
  color: var(--deep);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.section-intro {
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 760px;
  line-height: 1.9;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  padding: 30px 28px;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: box-shadow var(--cubic), transform var(--cubic);
}

.process-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.process-num {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: rgba(31, 94, 158, 0.18);
  line-height: 1;
  margin-bottom: 18px;
}

.process-title {
  font-size: 1.15rem;
  color: var(--deep);
  font-weight: 700;
  margin-bottom: 8px;
}

.process-desc {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
  height: 100%;
}

.row-card {
  display: flex;
  align-items: stretch;
  background: var(--white);
  border: 1px solid #e9eef5;
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--cubic), transform var(--cubic);
}

.row-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.thumb-img {
  width: 34%;
  min-height: 150px;
  object-fit: cover;
  flex-shrink: 0;
  align-self: stretch;
}

.row-card-body {
  flex: 1;
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 7px;
}

.mini-tag {
  font-size: 0.78rem;
  color: var(--teal);
  background: rgba(76, 147, 179, 0.1);
  border-radius: 999px;
  padding: 5px 13px;
  font-weight: 600;
}

.row-card-body h3 {
  font-size: 1.16rem;
  margin: 0;
  color: var(--deep);
}

.row-card-body h3 a {
  color: inherit;
  transition: color var(--cubic);
}

.row-card-body h3 a:hover {
  color: var(--primary);
}

.row-card-body p {
  color: var(--muted);
  font-size: 0.91rem;
  line-height: 1.75;
  margin-top: 4px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.95rem;
  transition: color var(--cubic), gap var(--cubic);
}

.text-link:hover {
  color: var(--amber);
}

.text-link svg {
  width: 15px;
  height: 15px;
}

.focus-card {
  height: 100%;
}

.focus-card .card-media {
  background: #eaf0f6;
}

.focus-card .card-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.card-body {
  padding: 26px;
}

.card-body h3 {
  color: var(--deep);
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 10px;
  margin-bottom: 8px;
}

.card-body p {
  color: var(--muted);
  font-size: 0.96rem;
}

.corner-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}

.corner-note span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eaf1f8;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
}

.notice-row {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  padding: clamp(24px, 4vw, 42px);
  box-shadow: var(--shadow-card);
}

.notice-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(31, 94, 158, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 1.4rem;
}

.notice-content h3 {
  color: var(--deep);
  font-size: 1.28rem;
  margin-bottom: 12px;
}

.notice-list {
  display: grid;
  gap: 14px;
  margin-top: 6px;
}

.notice-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text);
  line-height: 1.8;
}

.notice-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  flex: 0 0 auto;
  margin-top: 0.72em;
}

.faq-section {
  background: var(--bg);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card);
  padding: 0;
  overflow: hidden;
  transition: box-shadow var(--cubic);
}

.faq-item[open] {
  box-shadow: var(--shadow-hover);
}

.faq-item summary {
  cursor: pointer;
  padding: 22px 26px;
  display: flex;
  gap: 16px;
  align-items: center;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-q {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: rgba(31, 94, 158, 0.1);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 800;
}

.faq-question {
  flex: 1;
  color: var(--deep);
  font-weight: 700;
  font-size: 1.02rem;
}

.faq-icon {
  background: #eef2f6;
  color: var(--primary);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--cubic), background var(--cubic), color var(--cubic);
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-answer {
  padding: 0 26px 24px 76px;
  color: var(--muted);
  line-height: 1.9;
  font-size: 0.96rem;
}

.faq-help {
  margin-top: 40px;
  text-align: center;
  color: var(--muted);
  font-size: 0.98rem;
}

.faq-help a {
  color: var(--primary);
  font-weight: 700;
}

.faq-help a:hover {
  color: var(--amber);
}

.contact-cta {
  background: var(--deep);
  color: #fff;
  padding: clamp(56px, 7vw, 84px) 0;
}

.contact-cta h2 {
  font-size: clamp(1.75rem, 3vw, 2.15rem);
  color: #fff;
  margin-bottom: 14px;
}

.contact-cta p {
  color: rgba(255, 255, 255, 0.72);
  max-width: 660px;
  margin-bottom: 30px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.contact-mail {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.96rem;
}

.site-footer {
  background: var(--deep);
  padding: 68px 0 32px;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 1.18rem;
  line-height: 1.4;
}

.footer-logo .logo-mark {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: none;
  color: var(--amber);
}

.footer-about {
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.9;
  margin-top: 18px;
  font-size: 0.94rem;
}

.footer-title {
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.94rem;
  transition: color var(--cubic);
}

.footer-links a:hover {
  color: var(--amber);
}

.footer-contact {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.94rem;
  display: grid;
  gap: 10px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 52px;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.85rem;
}

@media (max-width: 1100px) {
  .process-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 1023.98px) {
  .desktop-nav {
    display: none;
  }

  .menu-trigger {
    display: inline-flex;
  }

  .header-inner {
    height: 66px;
  }

  .process-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767.98px) {
  .section {
    padding: 56px 0;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .row-card {
    flex-direction: column;
  }

  .thumb-img {
    width: 100%;
    min-height: 0;
    aspect-ratio: 16 / 9;
    object-fit: cover;
  }

  .row-card-body {
    padding: 20px 22px;
  }

  .category-banner .grid-x {
    row-gap: 28px;
  }

  .banner-figure img {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 520px) {
  .process-grid {
    grid-template-columns: 1fr;
  }

  .header-cta {
    padding: 9px 16px;
    font-size: 0.9rem;
  }

  .site-brand .brand-text {
    font-size: 1.05rem;
  }

  .notice-row {
    flex-direction: column;
    gap: 16px;
  }

  .faq-answer {
    padding-left: 24px;
    padding-right: 18px;
  }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --primary: #1F5E9E;
  --primary-dark: #174B80;
  --primary-light: #4C93B3;
  --bg-main: #F5F8FC;
  --bg-card: #FFFFFF;
  --bg-deep: #142C40;
  --accent: #D98E2D;
  --accent-hover: #c57f24;
  --text-main: #1F2D3D;
  --text-sub: #64758A;
  --border: #E1E8F1;
  --radius-lg: 14px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 6px 18px rgba(20, 44, 64, 0.07);
  --shadow-hover: 0 18px 36px rgba(20, 44, 64, 0.12);
  --shadow-nav: 0 1px 0 rgba(20, 44, 64, 0.06);
  --transition: 0.2s ease-out;
}

/* ========== Reset / 基础 ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.8;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition);
}
ul, ol {
  list-style: none;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  border: none;
  outline: none;
}
:focus-visible {
  outline: 2px solid rgba(31, 94, 158, 0.5);
  outline-offset: 2px;
}
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 96px 0;
}
.section--tight {
  padding: 64px 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.section-label::before {
  content: '';
  width: 22px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
  border-radius: 2px;
}
.h2-title {
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 12px;
}
.section-desc {
  font-size: 1rem;
  color: var(--text-sub);
  line-height: 1.7;
  max-width: 640px;
}

/* ========== Header 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-nav);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  flex-wrap: wrap;
}
.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.logo-text {
  font-size: 1.3125rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.02em;
}
.primary-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.primary-nav a.nav-link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 6px;
  line-height: 1.4;
  position: relative;
  transition: color var(--transition), background-color var(--transition);
}
.primary-nav a.nav-link:hover {
  color: var(--primary);
  background: rgba(31, 94, 158, 0.06);
}
.primary-nav a.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.primary-nav a.nav-link.active::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -2px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 24px;
  background-color: var(--accent);
  color: var(--text-main);
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  margin-left: 10px;
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.nav-cta:hover {
  background-color: var(--accent-hover);
  transform: translateY(1px);
  color: var(--text-main);
}
.hamburger {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  width: 44px;
  height: 44px;
  line-height: 1;
  cursor: pointer;
  color: var(--text-main);
  font-size: 1.5rem;
}
/* 移动端抽屉导航背景层 */
.off-canvas {
  display: none;
}

/* ========== 页面独立 Banner（活动资讯分类） ========== */
.cat-banner {
  position: relative;
  background-color: var(--bg-main);
  padding: 72px 0 56px;
  overflow: hidden;
}
.cat-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center 35%;
  opacity: 0.16;
  z-index: 0;
}
.cat-banner::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(20,44,64,0.30) 0%, rgba(245,248,252,0.42) 50%, rgba(245,248,252,0.18) 100%);
  z-index: 1;
}
.cat-banner .banner-body {
  position: relative;
  z-index: 2;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--text-sub);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.breadcrumb-nav a {
  color: var(--text-sub);
  transition: color var(--transition);
}
.breadcrumb-nav a:hover {
  color: var(--primary);
}
.breadcrumb-nav .sep {
  color: #9FB2C7;
  font-size: 0.75rem;
}
.cat-h1 {
  font-size: clamp(2.1rem, 4.5vw, 3rem);
  font-weight: 700;
  color: var(--bg-deep);
  line-height: 1.25;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.cat-intro {
  font-size: 1.0625rem;
  color: var(--text-main);
  max-width: 720px;
  line-height: 1.7;
}

/* ========== 通用卡片 / 列表组件 ========== */
.card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(225, 232, 241, 0.7);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: rgba(31, 94, 158, 0.14);
}
.card-media {
  position: relative;
  overflow: hidden;
  background: #EAF0F6;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-media .tag-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
}
.card-body {
  padding: 22px 22px 18px;
}
.card-title {
  font-size: 1.1875rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 8px;
  transition: color var(--transition);
}
a .card-title:hover {
  color: var(--primary);
}
.card-text {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 12px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(76, 147, 179, 0.12);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  line-height: 1.5;
  border: 1px solid rgba(76, 147, 179, 0.2);
}
.tag--solid {
  background: var(--primary);
  color: #fff;
  border: none;
}
.tag--accent {
  background: rgba(217, 142, 45, 0.14);
  color: #a6691c;
  border: 1px solid rgba(217, 142, 45, 0.25);
}
.meta-date {
  font-size: 0.8125rem;
  color: var(--primary-light);
  font-weight: 500;
}
.link-arrow {
  font-size: 0.875rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary);
}
.link-arrow:hover {
  color: var(--primary-dark);
}

/* ========== 活动玩法双列区块 ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feat-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(225, 232, 241, 0.8);
  padding: 30px 28px;
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  border-left: 4px solid transparent;
}
.feat-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-left-color: var(--primary);
}
.feat-icon {
  width: 48px;
  height: 48px;
  background: rgba(31, 94, 158, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 16px;
}
.feat-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.5;
}
.feat-desc {
  font-size: 0.9375rem;
  color: var(--text-sub);
  line-height: 1.75;
  margin-bottom: 14px;
}
.feat-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}

/* ========== 玩法分解：步骤 / 时间线 ========== */
.step-panel {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
}
.step-list {
  margin-top: 8px;
}
.step-item {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.step-item:last-child {
  border-bottom: none;
}
.step-index {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  min-width: 44px;
  transition: color var(--transition);
  font-style: normal;
}
.step-item:hover .step-index {
  color: var(--accent);
}
.step-content .step-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
  line-height: 1.5;
}
.step-content p {
  font-size: 0.9375rem;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ========== 资讯列表 ========== */
.activity-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.media-card {
  display: flex;
  flex-direction: column;
}
.media-card .media-top {
  aspect-ratio: 16/10;
}
.media-card .card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.media-card .card-body .card-text {
  flex-grow: 1;
}

/* ========== 案例引用 / 深色 CTA ========== */
.cta-panel {
  background-color: var(--bg-deep);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-title {
  font-size: clamp(1.4rem, 2.5vw, 1.875rem);
  font-weight: 700;
  color: #F2F7FB;
  margin-bottom: 8px;
  line-height: 1.3;
}
.cta-text {
  color: #AFC1D2;
  font-size: 0.95rem;
  max-width: 480px;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 40px;
  background: var(--accent);
  color: var(--text-main);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: background-color var(--transition), transform var(--transition);
  box-shadow: 0 4px 16px rgba(217, 142, 45, 0.2);
}
.cta-btn:hover {
  background: var(--accent-hover);
  color: var(--text-main);
  transform: translateY(-2px);
}

/* ========== 专题模块 ========== */
.topic-card {
  display: flex;
  gap: 24px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
  align-items: stretch;
}
.topic-card .topic-cover {
  flex: 0 0 32%;
  min-height: 230px;
  background-color: #EAF0F6;
}
.topic-card .topic-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.topic-card .topic-content {
  flex: 1;
  padding: 28px 30px 24px 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.topic-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.topic-card .topic-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--text-main);
}
.topic-card .topic-content p {
  color: var(--text-sub);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 10px;
}
.topic-card .topic-content .meta-date {
  font-size: 0.8125rem;
  color: var(--primary-light);
  margin-bottom: 12px;
}

/* ========== 小贴士 ========== */
.tip-strip {
  background: #EEF4F9;
  border-left: 4px solid var(--primary);
  padding: 20px 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  display: flex;
  gap: 14px;
  margin: 48px 0;
  align-items: flex-start;
}
.tip-strip .tip-icon {
  color: var(--accent);
  flex-shrink: 0;
}
.tip-strip p {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.7;
}

/* ========== CTA 返回按钮 ========== */
.text-center {
  text-align: center;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 28px;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: background-color var(--transition), color var(--transition), transform var(--transition);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}
.btn-outline--light {
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}
.btn-outline--light:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

/* ========== FAQ ========== */
.faq-section {
  background: #EDF3F9;
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 28px;
}
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 10px rgba(20,44,64,0.04);
  overflow: hidden;
  border: 1px solid rgba(225,232,241,0.6);
  transition: box-shadow var(--transition);
}
.faq-item:hover {
  box-shadow: var(--shadow-card);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-main);
  font-size: 0.94rem;
  background: #fff;
}
.faq-question .q-mark {
  background: rgba(31,94,158,0.1);
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--primary);
  flex-shrink: 0;
}
.faq-question .faq-icon {
  color: var(--text-sub);
  font-size: 1rem;
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-question.open .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  display: none;
  padding: 2px 20px 18px 20px;
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.7;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
  margin-top: -4px;
}
.faq-answer.show {
  display: block;
}

/* ========== Footer ========== */
.site-footer {
  background-color: var(--bg-deep);
  color: #AFC1D2;
  font-size: 0.875rem;
}
.site-footer .container {
  padding-top: 64px;
  padding-bottom: 28px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 1.225rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-brand .logo-mark {
  color: #fff;
}
.footer-about {
  font-size: 0.875rem;
  line-height: 1.8;
  color: #93A8BB;
  max-width: 300px;
}
.footer-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #D7E3ED;
  margin-bottom: 14px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  color: #93A8BB;
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-contact {
  list-style: none;
}
.footer-contact li {
  font-size: 0.875rem;
  color: #93A8BB;
  margin-bottom: 6px;
  line-height: 1.6;
}
.footer-contact li:first-child {
  color: #C6D6E2;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 40px;
  padding-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: #7d93a8;
  flex-wrap: wrap;
  gap: 8px;
}

/* ========== 网格重排内页顶部导航快捷键 ========== */
.quick-card-link {
  display: block;
}

/* ========== responsive ========== */
@media screen and (max-width: 1024px) {
  .section {
    padding: 80px 0;
  }
  .topic-card .topic-cover {
    flex-basis: 40%;
  }
  .activity-list {
    gap: 18px;
  }
}
@media screen and (max-width: 900px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}
@media screen and (max-width: 768px) {
  body {
    font-size: 0.9688rem;
  }
  .container {
    padding: 0 20px;
  }
  .section {
    padding: 56px 0;
  }
  .section--tight {
    padding: 48px 0;
  }
  .header-inner {
    height: 64px;
  }
  /* hamburger 显示 */
  .desktop-nav {
    display: none;
  }
  .hamburger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .primary-nav {
    display: none;
  }
  .topic-card {
    flex-direction: column;
  }
  .topic-card .topic-cover {
    min-height: 170px;
    min-height: auto;
  }
  .topic-card .topic-content {
    padding: 18px;
  }
  .topic-card .topic-cover img {
    width: 100%;
    height: 200px;
  }
  .topic-card:first-child {
    margin-top: 8px;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .activity-list {
    grid-template-columns: 1fr;
  }
  .cat-banner {
    padding: 48px 0;
  }
  .cta-panel {
    padding: 36px 24px;
  }
  .cta-title {
    font-size: 1.4rem;
  }
  .step-item {
    padding: 16px 0;
  }
  .site-footer .container {
    padding-top: 40px;
  }
  .footer-logo {
    margin-bottom: 10px;
  }
  .footer-contact {
    margin-left: 0;
  }
  .media-card .media-top {
    aspect-ratio: 16/8;
  }
  .btn-group-mobile {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }
  .btn-group-mobile .btn-outline {
    width: 100%;
    justify-content: center;
  }
  .nav-cta {
    margin-left: 8px;
  }
}
@media screen and (max-width: 520px) {
  .logo-text {
    font-size: 1.1rem;
  }
  .logo-mark {
    width: 30px;
    height: 30px;
  }
  .cat-h1 {
    font-size: 1.9rem;
  }
  .cat-intro {
    font-size: 0.9688rem;
  }
  .breadcrumb-nav {
    font-size: 0.8125rem;
  }
  .feat-card {
    padding: 20px 18px;
  }
  .card-title {
    font-size: 1.06rem;
  }
  .section-label {
    font-size: 0.75rem;
  }
  .faq-question {
    font-size: 0.875rem;
    padding: 14px 16px;
  }
  .faq-answer {
    padding: 2px 16px 16px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    line-height: 1.6;
  }
  .cta-btn {
    width: 100%;
    padding: 13px 24px;
  }
  .card-media .tag-cat {
    top: 10px;
    left: 10px;
  }
}

/* foundation reset 覆盖 */
.row {
  max-width: 1240px;
}
.grid-container {
  padding-left: 16px;
  padding-right: 16px;
}

/* roulang page: category3 */
:root{
  --brand-blue:#1F5E9E;
  --brand-blue-deep:#174B80;
  --ink:#1F2D3D;
  --muted:#64758A;
  --line:#E1E8F1;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --amber:#D98E2D;
  --sky:#4C93B3;
  --deep:#142C40;
  --radius-lg:14px;
  --radius:8px;
  --shadow:0 6px 18px rgba(20,44,64,.07);
  --shadow-hover:0 18px 36px rgba(20,44,64,.12);
  --font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
section[id]{scroll-margin-top:88px}
body{
  font-family:var(--font-family);
  color:var(--ink);
  background:var(--bg);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
ul,ol{list-style:none}
a{text-decoration:none;color:inherit;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,opacity .2s ease-out}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit;font-size:1rem}
button{cursor:pointer;border:0;background:none}
.container,.grid-container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:1.25rem;padding-right:1.25rem}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid rgba(31,94,158,.45);outline-offset:2px}

/* ===== Button ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:.78rem 1.6rem;
  border-radius:999px;
  font-size:.98rem;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
}
.btn-amber{background:var(--amber);color:#1F2D3D;box-shadow:0 8px 18px rgba(217,142,45,.18)}
.btn-amber:hover{background:#c57a1e;color:#fff;transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.06)}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff;transform:translateY(-1px)}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(20,44,64,.06);
  box-shadow:0 1px 0 rgba(20,44,64,.05);
}
.header-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:72px;
  gap:1rem;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  flex-shrink:0;
}
.logo-mark{
  display:flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:9px;
  background:#EAF1F8;
  color:var(--brand-blue);
}
.logo-text{
  font-size:1.16rem;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--ink);
  white-space:nowrap;
}
.header-bar .primary-nav{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.2rem;
  margin:0 1rem;
}
.header-bar .primary-nav a{
  display:inline-block;
  padding:.5rem .78rem;
  font-size:.98rem;
  font-weight:500;
  color:var(--ink);
  border-bottom:2px solid transparent;
  border-radius:4px 4px 0 0;
}
.header-bar .primary-nav a:hover{color:var(--brand-blue)}
.header-bar .primary-nav a.active{color:var(--brand-blue);border-bottom-color:var(--brand-blue);font-weight:600}
.header-right{display:flex;align-items:center;gap:.65rem;flex-shrink:0}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:38px;
  padding:.4rem 1.15rem;
  border-radius:999px;
  background:var(--amber);
  color:#1F2D3D;
  font-size:.92rem;
  font-weight:700;
  box-shadow:0 4px 14px rgba(217,142,45,.18);
  transition:color .2s ease-out,background-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.nav-cta:hover{
  background:#c57a1e;
  color:#fff;
  transform:translateY(-1px);
}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--radius);
  background:var(--bg);
  border:1px solid var(--line);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.menu-toggle span{width:20px;height:2px;background:var(--ink);border-radius:3px;transition:transform .2s ease-out,opacity .2s ease-out}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none}
@media (max-width:900px){
  .header-bar .primary-nav,
  .header-bar .nav-cta{display:none}
  .menu-toggle{display:flex}
  .mobile-menu{
    display:block;
    position:fixed;
    left:0;
    right:0;
    top:72px;
    bottom:0;
    background:#fff;
    overflow:auto;
    z-index:96;
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    pointer-events:none;
    transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out;
  }
  .mobile-menu.is-open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
  .mobile-menu .primary-nav{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:1.2rem 1.25rem;
  }
  .mobile-menu .primary-nav a{
    display:block;
    font-size:1.2rem;
    font-weight:600;
    color:var(--ink);
    padding:1rem .35rem;
    border-bottom:1px solid #EEF3F8;
    border-radius:0;
  }
  .mobile-menu .primary-nav a:hover{color:var(--brand-blue);background:#F8FAFD}
  .mobile-menu .primary-nav a.active{color:var(--brand-blue);font-weight:700;background:transparent;border-bottom:1px solid #DDE7F1}
  .mobile-menu .mobile-cta{
    display:flex;
    margin:1.5rem 1.25rem 2rem;
  }
}
body.no-scroll{overflow:hidden}

/* ===== Page banner ===== */
.cat-banner{
  position:relative;
  overflow:hidden;
  background:var(--deep);
  color:#fff;
  padding:82px 0 90px;
}
.cat-banner-bg{
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.42;
}
.cat-banner-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(20,44,64,.88) 0%,rgba(20,44,64,.62) 60%,rgba(20,44,64,.4) 100%);
}
.cat-banner-inner{position:relative;z-index:2;max-width:780px}
.cat-breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:.55rem;
  font-size:.9rem;
  color:rgba(255,255,255,.66);
  margin-bottom:1.2rem;
}
.cat-breadcrumb a:hover{color:#fff}
.cat-breadcrumb .sep{color:rgba(255,255,255,.45)}
.cat-banner h1{
  font-size:clamp(2.2rem,4.4vw,3.2rem);
  font-weight:800;
  line-height:1.25;
  color:#fff;
  margin-bottom:.9rem;
}
.cat-banner p{
  font-size:1.06rem;
  color:rgba(255,255,255,.78);
  max-width:640px;
}
.cat-banner-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}

/* ===== Section spacing ===== */
.section-space{padding:92px 0}
.section-space-sm{padding:64px 0}
.section-white{background:#fff}
.section-soft{background:#EEF4FA}
.section-overline{
  display:inline-flex;
  align-items:center;
  color:var(--brand-blue);
  font-size:.86rem;
  font-weight:700;
  letter-spacing:.12em;
}
.section-title{
  font-size:clamp(1.6rem,2.6vw,2.2rem);
  font-weight:800;
  line-height:1.35;
  color:var(--ink);
  margin:.55rem 0 1.3rem;
}
.section-intro{
  max-width:740px;
  color:var(--muted);
  font-size:1.02rem;
}
.section-head{
  margin-bottom:2.4rem;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  color:var(--brand-blue);
  font-weight:600;
}
.text-link:hover{color:var(--brand-blue-deep)}
.text-link svg{transition:transform .2s ease-out}
.text-link:hover svg{transform:translateX(4px)}

/* ===== Feature cards ===== */
.card-feature{
  position:relative;
  background:var(--card);
  border-radius:var(--radius-lg);
  padding:1.5rem 1.4rem;
  height:100%;
  box-shadow:var(--shadow);
  border:1px solid rgba(20,44,64,.04);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card-feature::before{
  content:"";
  position:absolute;
  left:0;
  top:24px;
  bottom:24px;
  width:3px;
  border-radius:3px;
  background:transparent;
  transition:background-color .2s ease-out;
}
.card-feature:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
  border-color:#E8EEF6;
}
.card-feature:hover::before{background:var(--brand-blue)}
.feature-icon{
  width:46px;
  height:46px;
  border-radius:11px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#EAF1F8;
  color:var(--brand-blue);
  margin-bottom:1.15rem;
}
.card-feature h3{font-size:1.1rem;font-weight:700;margin-bottom:.5rem}
.card-feature p{font-size:.92rem;color:var(--muted);line-height:1.7;margin-bottom:0}

/* ===== Scenario ===== */
.scenario-copy .media-box{
  border-radius:var(--radius-lg);
  overflow:hidden;
  margin-top:1.2rem;
  box-shadow:var(--shadow);
}
.scenario-copy .media-box img{width:100%;height:220px;object-fit:cover}
.scenario-list{display:flex;flex-direction:column;gap:1.1rem}
.scenario-item{
  display:flex;
  align-items:flex-start;
  gap:1.1rem;
  background:#fff;
  border-radius:var(--radius-lg);
  padding:1.25rem 1.3rem;
  box-shadow:var(--shadow);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.scenario-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.scenario-num{
  display:flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  flex-shrink:0;
  border-radius:50%;
  background:#EAF1F8;
  color:var(--brand-blue);
  font-weight:800;
}
.scenario-item h3{font-size:1.05rem;font-weight:700;margin-bottom:.25rem}
.scenario-item p{font-size:.94rem;color:var(--muted);margin:0}

/* ===== Process ===== */
.process-area{background:var(--bg)}
.process-list{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.process-item{
  display:flex;
  gap:1.2rem;
  padding:1.5rem 1.5rem;
  border-bottom:1px solid var(--line);
}
.process-item:last-child{border-bottom:0}
.process-num{
  color:var(--brand-blue);
  font-size:1.2rem;
  font-weight:800;
  letter-spacing:.03em;
  font-variant-numeric:tabular-nums;
  min-width:48px;
  padding-top:.1rem;
}
.process-item:hover .process-num{color:var(--amber)}
.process-item h3{font-size:1.08rem;font-weight:700}
.process-item p{font-size:.94rem;color:var(--muted);margin:.2rem 0 0}

/* ===== Topic cards ===== */
.topic-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  height:100%;
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.topic-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.topic-card img{
  width:100%;
  height:280px;
  object-fit:cover;
  transition:transform .3s ease-out;
}
.topic-card .topic-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:1.5rem 1.5rem 1.6rem;
}
.topic-card:hover img{transform:scale(1.02)}
.topic-tag,.topic-time{
  display:inline-block;
  padding:.2rem .68rem;
  border-radius:999px;
  font-size:.8rem;
  background:#EAF0F6;
  color:var(--sky);
  align-self:flex-start;
  margin-bottom:.7rem;
}
.topic-card h3{font-size:1.18rem;font-weight:700;line-height:1.45}
.topic-card h3:hover{color:var(--brand-blue)}
.topic-card p{color:var(--muted);font-size:.95rem;margin:.65rem 0 .9rem;flex:1}
.topic-link{color:var(--brand-blue);font-weight:600;font-size:.95rem}
.topic-link:hover{color:var(--brand-blue-deep)}
.topic-mini{
  display:flex;
  gap:1rem;
  background:#fff;
  border-radius:var(--radius-lg);
  padding:1rem;
  box-shadow:var(--shadow);
  margin-bottom:1rem;
  align-items:center;
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.topic-mini:last-child{margin-bottom:0}
.topic-mini:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.topic-mini img{
  width:150px;
  height:96px;
  object-fit:cover;
  border-radius:var(--radius);
  flex-shrink:0;
}
.topic-mini .mini-body{flex:1;min-width:0}
.topic-mini .topic-tag{margin-bottom:.3rem}
.topic-mini h3{font-size:1rem;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-mini h3:hover{color:var(--brand-blue)}
.topic-mini p{font-size:.88rem;color:var(--muted);margin:.25rem 0 .2rem}
.topic-mini .mini-time{font-size:.8rem;color:var(--sky)}

@media (max-width:640px){
  .topic-card img{height:190px}
  .topic-mini{flex-direction:column;align-items:flex-start}
  .topic-mini img{width:100%;height:180px}
}

/* ===== FAQ ===== */
.faq-section{background:#fff}
.faq-item{
  background:var(--bg);
  border-radius:var(--radius-lg);
  border:1px solid transparent;
  padding:.4rem 1.2rem;
  margin-bottom:1rem;
  transition:border-color .2s ease-out,background-color .2s ease-out;
}
.faq-item.open{border-color:#D3E0EF;background:#F6FAFE}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1rem 0 .9rem;
  text-align:left;
  font-size:1.02rem;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
}
.faq-q:hover{color:var(--brand-blue)}
.faq-q-icon{
  width:26px;
  height:26px;
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:#DDE9F5;
  color:var(--brand-blue);
  font-size:1.2rem;
  font-weight:600;
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out;
}
.faq-item.open .faq-q-icon{transform:rotate(45deg);background:var(--brand-blue);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out}
.faq-item.open .faq-a{max-height:320px}
.faq-a-inner{padding:0 0 1.1rem;color:var(--muted);font-size:.95rem;line-height:1.8}

/* ===== Contact CTA ===== */
.cta-note{background:transparent}
.cta-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:2rem;
  flex-wrap:wrap;
  background:var(--deep);
  border-radius:20px;
  color:#fff;
  padding:3rem 3.2rem;
  box-shadow:0 24px 48px rgba(20,44,64,.18);
}
.cta-info h2{font-size:clamp(1.45rem,2.4vw,2rem);font-weight:800;color:#fff;margin:.7rem 0 .7rem}
.cta-info p{color:rgba(255,255,255,.72);margin:0;max-width:560px}
.cta-info .light-label{color:var(--amber)}
.cta-action{display:flex;flex-direction:column;align-items:flex-start;gap:.7rem}
.cta-action .note{font-size:.9rem;color:rgba(255,255,255,.6)}
@media (max-width:820px){
  .cta-card{padding:2rem 1.5rem}
}

/* ===== Footer ===== */
.site-footer{
  background:var(--deep);
  color:#D3E1EF;
  padding:66px 0 30px;
  font-size:.94rem;
}
.site-footer a{color:#D3E1EF}
.site-footer a:hover{color:var(--amber)}
.footer-brand{margin-bottom:1.3rem}
.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  font-size:1.2rem;
  font-weight:700;
  color:#fff;
  margin-bottom:1rem;
}
.logo-mark-footer{
  width:32px;
  height:32px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:9px;
  background:rgba(255,255,255,.12);
  color:var(--amber);
}
.footer-about{color:rgba(215,227,239,.62);max-width:360px;line-height:1.8}
.footer-title{
  color:#fff;
  font-weight:600;
  font-size:1rem;
  margin-bottom:1rem;
  padding-bottom:.5rem;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-links{display:flex;flex-direction:column;gap:.55rem;font-size:.92rem}
.footer-links a:hover{color:var(--amber)}
.footer-contact{font-size:.9rem;color:rgba(215,227,239,.66)}
.footer-contact li{display:flex;align-items:flex-start;gap:.5rem;margin-bottom:.45rem}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:2.6rem;
  padding-top:1.4rem;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:.7rem;
  color:rgba(215,227,239,.5);
  font-size:.85rem;
}

/* ===== Responsive tweaks ===== */
@media (max-width:1024px){
  .section-space{padding:72px 0}
  .brand-logo .logo-text{font-size:1.02rem}
  .header-bar .primary-nav a{padding:.5rem .55rem}
}
@media (max-width:900px){
  .section-space{padding:64px 0}
  .header-bar .primary-nav{display:none}
}
@media (max-width:640px){
  .cat-banner{padding:56px 0 66px}
  .cat-banner-actions .btn{width:100%}
  .section-intro{font-size:.96rem}
  .card-feature{padding:1.2rem}
  .scenario-item{flex-direction:row}
  .process-item{padding:1.15rem 1rem}
  .cta-card{flex-direction:column;align-items:flex-start}
  .footer-links,.footer-title,.footer-contact,.footer-bottom{max-width:100%}
}
@media (max-width:639px){
  .grid-x > .cell{flex:0 0 100%;max-width:100%}
}