/* roulang page: index */
:root{
  --brand-primary:#1C6BD9;
  --brand-primary-hover:#1656B0;
  --brand-primary-light:rgba(28,107,217,.08);
  --brand-primary-border:rgba(28,107,217,.22);
  --ink:#132A46;
  --body:#4A5B70;
  --accent:#F08A24;
  --bg:#F4F7FC;
  --card-bg:#FFFFFF;
  --border:#E4EAF2;
  --success:#1FA76B;
  --shadow:0 6px 24px rgba(19,42,70,.06);
  --shadow-hover:0 14px 40px rgba(19,42,70,.12);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-pill:999px;
  --transition:all .25s ease;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--body);
  line-height:1.75;
  font-size:1rem;
  padding-top:76px;
}
a{color:var(--brand-primary); text-decoration:none; transition:var(--transition);}
a:hover{color:var(--brand-primary-hover);}
a:focus-visible,button:focus-visible,.btn:focus-visible,.form-control:focus-visible{
  outline:4px solid rgba(28,107,217,.2);
  outline-offset:2px;
}
img{max-width:100%; display:block; background:var(--bg);}
.container{max-width:1240px; padding-left:24px; padding-right:24px;}
.section{padding:6rem 0;}
.section-alt{background:#fff;}
.section-heading{max-width:760px; margin-bottom:3rem;}
.eyebrow{
  display:inline-block;
  background:var(--brand-primary-light);
  color:var(--brand-primary);
  font-size:.8125rem;
  font-weight:600;
  padding:.3rem .85rem;
  border-radius:var(--radius-pill);
  letter-spacing:.02em;
  margin-bottom:.75rem;
}
.section-heading h2{
  font-size:1.75rem;
  font-weight:700;
  color:var(--ink);
  line-height:1.3;
  margin-bottom:1rem;
}
.section-heading p{color:var(--body); line-height:1.8; margin-bottom:0;}
.num{font-feature-settings:"tnum"; font-variant-numeric:tabular-nums;}
.text-accent{color:var(--accent);}
.text-brand{color:var(--brand-primary);}

/* 按钮 */
.btn{
  border-radius:var(--radius-pill);
  font-weight:600;
  transition:var(--transition);
  padding:.8rem 1.9rem;
}
.btn-primary{
  --bs-btn-bg:var(--brand-primary);
  --bs-btn-border-color:var(--brand-primary);
  --bs-btn-hover-bg:var(--brand-primary-hover);
  --bs-btn-hover-border-color:var(--brand-primary-hover);
  --bs-btn-active-bg:#0f3f7d;
  --bs-btn-active-border-color:#0f3f7d;
  --bs-btn-focus-shadow-rgb:28,107,217;
  border-radius:var(--radius-pill);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 28px rgba(28,107,217,.28);
}
.btn-outline-primary{
  --bs-btn-color:var(--brand-primary);
  --bs-btn-border-color:var(--brand-primary);
  --bs-btn-hover-bg:var(--brand-primary-light);
  --bs-btn-hover-border-color:var(--brand-primary);
  --bs-btn-hover-color:var(--brand-primary-hover);
  --bs-btn-active-bg:var(--brand-primary-light);
  border-radius:var(--radius-pill);
  font-weight:600;
}
.btn-outline-primary:hover{transform:translateY(-2px);}

/* 导航 */
.site-header{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(19,42,70,.06);
  z-index:1050;
  height:76px;
}
.site-header .navbar{padding:1rem 0; height:76px;}
.navbar-brand{
  font-size:1.35rem;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.01em;
  display:flex;
  align-items:center;
  gap:.55rem;
}
.navbar-brand .brand-mark{
  width:36px;
  height:36px;
  background:var(--brand-primary);
  color:#fff;
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:1rem;
  flex-shrink:0;
}
.navbar-brand:hover{color:var(--brand-primary);}
.navbar-nav{gap:.25rem;}
.navbar-nav .nav-link{
  color:var(--body);
  font-weight:500;
  font-size:.9625rem;
  margin:0 .15rem;
  padding:.55rem 1rem;
  border-radius:var(--radius-pill);
  transition:var(--transition);
  position:relative;
}
.navbar-nav .nav-link:hover{color:var(--brand-primary); background:var(--brand-primary-light);}
.navbar-nav .nav-link.active{
  color:var(--brand-primary);
  background:var(--brand-primary-light);
  font-weight:600;
}
.navbar-nav .nav-link.active::after{
  content:'';
  position:absolute;
  left:1rem;
  right:1rem;
  bottom:.1rem;
  height:2px;
  background:var(--brand-primary);
  border-radius:2px;
}
.navbar-toggler{border:none; padding:.4rem .6rem; color:var(--ink); font-size:1.3rem; box-shadow:none;}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(28,107,217,.2);}
@media (max-width:991.98px){
  .navbar-nav .nav-link{padding:.8rem 1.25rem; margin:0; border-radius:var(--radius-md);}
  .navbar-nav .nav-link.active::after{display:none;}
  .navbar-collapse{
    background:#fff;
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-hover);
    padding:1rem;
    margin-top:1rem;
    border:1px solid var(--border);
  }
}

/* Hero */
.hero{
  position:relative;
  min-height:92vh;
  display:flex;
  align-items:center;
  color:#fff;
  background:
    linear-gradient(105deg, rgba(19,42,70,.8) 0%, rgba(28,107,217,.4) 54%, rgba(19,42,70,.2) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:130px 0 100px;
}
.hero .container{position:relative; z-index:2;}
.hero-title{
  font-size:clamp(2rem,4.5vw,3.5rem);
  font-weight:800;
  line-height:1.15;
  color:#fff;
  margin-bottom:1rem;
}
.hero-title .brand-line{display:block;}
.hero-title .tagline-line{
  display:block;
  font-size:clamp(1.25rem,2.6vw,1.9rem);
  font-weight:600;
  color:rgba(255,255,255,.94);
  margin-top:.4rem;
}
.hero-caption{
  font-size:1.125rem;
  color:rgba(255,255,255,.9);
  max-width:560px;
  line-height:1.8;
  margin-top:1rem;
}
.hero-buttons{margin-top:2.25rem; display:flex; flex-wrap:wrap; gap:1rem;}
.btn-hero{
  background:#fff;
  color:var(--ink);
  border:1px solid transparent;
  padding:.85rem 2.2rem;
  border-radius:var(--radius-pill);
  font-weight:700;
  font-size:1rem;
  transition:var(--transition);
  box-shadow:0 4px 14px rgba(0,0,0,.08);
}
.btn-hero:hover{background:rgba(255,255,255,.88); color:var(--brand-primary-hover); transform:translateY(-2px); box-shadow:0 10px 26px rgba(0,0,0,.16);}
.btn-hero-outline{
  background:rgba(255,255,255,.08);
  color:#fff;
  border:2px solid rgba(255,255,255,.9);
  padding:.8rem 1.9rem;
  border-radius:var(--radius-pill);
  font-weight:700;
  font-size:1rem;
  transition:var(--transition);
}
.btn-hero-outline:hover{background:rgba(255,255,255,.18); color:#fff; transform:translateY(-2px);}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:1rem;
  margin-top:3rem;
}
.stat-pill{
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(8px);
  border-radius:var(--radius-lg);
  padding:1.1rem 1.5rem;
  min-width:160px;
  transition:var(--transition);
}
.stat-pill:hover{background:rgba(255,255,255,.2);}
.stat-pill strong{
  display:block;
  font-size:1.8rem;
  font-weight:800;
  color:#fff;
  font-feature-settings:"tnum";
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-pill span{font-size:.875rem; color:rgba(255,255,255,.84);}

/* 玩法指南 */
.play-guide .row{align-items:center;}
.timeline{position:relative; margin:0; padding:0; list-style:none;}
.timeline::before{
  content:'';
  position:absolute;
  left:2.15rem;
  top:.5rem;
  bottom:.5rem;
  border-left:2px dashed var(--brand-primary-border);
}
.timeline-item{position:relative; padding:0 0 2rem 5.4rem;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-step{
  position:absolute;
  left:0;
  top:0;
  width:4.4rem;
  height:4.4rem;
  border-radius:var(--radius-lg);
  background:#fff;
  box-shadow:var(--shadow);
  border:1px solid var(--border);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  color:var(--brand-primary);
  gap:.15rem;
  z-index:1;
}
.timeline-step i{font-size:1.25rem;}
.timeline-step small{font-size:.65rem; font-weight:800; letter-spacing:.06em; color:var(--body);}
.timeline-item h3{font-size:1.125rem; font-weight:700; color:var(--ink); margin-bottom:.35rem;}
.timeline-item p{color:var(--body); line-height:1.75; margin-bottom:0; font-size:.9375rem;}
.guide-figure{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-hover);
}
.guide-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:16/11;
}
.guide-figure .figure-caption{
  position:absolute;
  left:1rem;
  right:1rem;
  bottom:1rem;
  background:rgba(19,42,70,.74);
  backdrop-filter:blur(10px);
  color:#fff;
  padding:.8rem 1.25rem;
  border-radius:var(--radius-md);
  font-size:.875rem;
  border:1px solid rgba(255,255,255,.14);
}

/* 奖励 */
.rewards-section{background:#fff;}
.reward-scroll{
  display:flex;
  gap:1.25rem;
  overflow-x:auto;
  padding-bottom:1.25rem;
  margin-bottom:-.5rem;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.reward-scroll::-webkit-scrollbar{display:none;}
.reward-card{
  flex:0 0 280px;
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:var(--transition);
  scroll-snap-align:start;
  position:relative;
  border:1px solid var(--border);
}
.reward-card:hover{transform:translateY(-4px); box-shadow:var(--shadow-hover); border-color:var(--brand-primary-border);}
.reward-cover{position:relative; height:160px; overflow:hidden;}
.reward-cover img{width:100%; height:100%; object-fit:cover; transition:transform .5s ease;}
.reward-card:hover .reward-cover img{transform:scale(1.05);}
.reward-ribbon{
  position:absolute;
  top:.875rem;
  right:.875rem;
  background:var(--accent);
  color:#fff;
  font-size:.75rem;
  font-weight:700;
  padding:.25rem .7rem;
  border-radius:var(--radius-pill);
  box-shadow:0 2px 10px rgba(0,0,0,.15);
  z-index:2;
}
.reward-body{padding:1.25rem 1.25rem 1.5rem;}
.reward-body h3{font-size:1.0625rem; font-weight:700; color:var(--ink); margin-bottom:.5rem; line-height:1.4;}
.reward-value{
  display:inline-block;
  background:var(--brand-primary-light);
  color:var(--brand-primary);
  font-size:.8125rem;
  font-weight:600;
  padding:.2rem .7rem;
  border-radius:var(--radius-pill);
  margin-bottom:.75rem;
}
.reward-link{color:var(--brand-primary); font-weight:600; font-size:.875rem; text-decoration:none;}
.reward-link:hover{color:var(--brand-primary-hover);}
.reward-feature{
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  border:1px solid var(--border);
}
.reward-feature .reward-cover{height:220px; flex-shrink:0;}
.reward-feature .reward-body{flex:1; display:flex; flex-direction:column;}
.reward-feature .reward-body h3{font-size:1.35rem;}
.reward-feature .reward-body p{color:var(--body); line-height:1.8; font-size:.9375rem; flex:1;}
.join-count{
  font-size:.875rem;
  color:var(--body);
  border-top:1px solid var(--border);
  padding-top:1rem;
  margin-top:auto;
}
.join-count strong{color:var(--brand-primary); font-feature-settings:"tnum";}

/* 任务进度 */
.challenge-grid{
  display:grid;
  grid-template-columns:40% 60%;
  gap:1.5rem;
  align-items:stretch;
}
@media (max-width:991.98px){.challenge-grid{grid-template-columns:1fr;}}
.challenge-main,.task-panel{
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:2rem;
}
.challenge-main h3{font-size:1.25rem; font-weight:700; color:var(--ink); margin-bottom:.25rem;}
.challenge-deadline{color:var(--body); font-size:.875rem; margin-bottom:1.5rem;}
.circle-progress{
  width:132px;
  height:132px;
  position:relative;
  margin:1.5rem auto;
}
.circle-progress svg{width:100%; height:100%; transform:rotate(-90deg);}
.circle-progress .track{fill:none; stroke:var(--border); stroke-width:10;}
.circle-progress .bar{fill:none; stroke:var(--brand-primary); stroke-width:10; stroke-linecap:round;}
.circle-progress span{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.5rem;
  font-weight:800;
  color:var(--ink);
  font-feature-settings:"tnum";
}
.challenge-desc{color:var(--body); line-height:1.75; font-size:.9375rem; text-align:center;}
.task-list{list-style:none; margin:0; padding:0;}
.task-item{
  display:flex;
  gap:1rem;
  padding:1.15rem 0;
  border-bottom:1px solid var(--border);
  align-items:flex-start;
}
.task-item:first-child{padding-top:0;}
.task-item:last-child{border-bottom:0; padding-bottom:0;}
.task-icon{
  width:44px;
  height:44px;
  border-radius:var(--radius-md);
  background:var(--brand-primary-light);
  color:var(--brand-primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.125rem;
  flex-shrink:0;
}
.task-item.done .task-icon{background:rgba(31,167,107,.12); color:var(--success);}
.task-info{flex:1; min-width:0;}
.task-name{
  font-weight:600;
  color:var(--ink);
  font-size:.9375rem;
  display:flex;
  justify-content:space-between;
  gap:.5rem;
  flex-wrap:wrap;
}
.task-pct{font-feature-settings:"tnum"; font-variant-numeric:tabular-nums; color:var(--brand-primary); font-weight:700;}
.task-item.done .task-name{color:var(--body);}
.task-progress{height:8px; background:var(--border); border-radius:999px; overflow:hidden; margin-top:.6rem;}
.task-progress .progress-bar{background:var(--brand-primary); border-radius:999px; height:100%;}
.task-progress .progress-bar.success{background:var(--success);}
.task-reward{
  display:inline-block;
  margin-top:.5rem;
  background:rgba(240,138,36,.1);
  color:var(--accent);
  font-size:.75rem;
  font-weight:700;
  padding:.15rem .6rem;
  border-radius:var(--radius-pill);
}
.task-complete{
  color:var(--success);
  font-size:.75rem;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:.3rem;
  background:rgba(31,167,107,.1);
  padding:.15rem .6rem;
  border-radius:var(--radius-pill);
}
.challenge-cta{text-align:center; margin-top:3rem;}

/* 资讯 */
.news-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:1.75rem;
  height:100%;
  transition:var(--transition);
  border:1px solid transparent;
}
.news-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
  border-color:var(--brand-primary-border);
}
.news-card .badge{
  background:var(--brand-primary-light);
  color:var(--brand-primary);
  font-weight:600;
  font-size:.75rem;
  padding:.4rem .8rem;
  border-radius:var(--radius-pill);
  align-self:flex-start;
  margin-bottom:.25rem;
}
.news-card h3{font-size:1.125rem; font-weight:700; color:var(--ink); margin:1rem 0 .5rem; line-height:1.5;}
.news-card h3 a{color:inherit; text-decoration:none; transition:var(--transition);}
.news-card h3 a:hover{color:var(--brand-primary);}
.news-card p{color:var(--body); font-size:.9375rem; line-height:1.75; flex:1; margin-bottom:.5rem;}
.news-meta{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-top:1.25rem;
  padding-top:1rem;
  border-top:1px solid var(--border);
  color:var(--body);
  font-size:.85rem;
}
.news-meta a{color:var(--brand-primary); font-weight:600; text-decoration:none;}
.news-meta a:hover{color:var(--brand-primary-hover);}
.empty-state{
  background:#fff;
  border-radius:var(--radius-lg);
  border:1px dashed var(--border);
  padding:3.5rem 2rem;
  text-align:center;
  color:var(--body);
}
.empty-state .btn{margin-top:.5rem;}
.badge{font-weight:600;}

/* 品牌信任 */
.trust-section{background:#fff; border-top:1px solid var(--border);}
.trust-quote{max-width:860px; margin:0 auto 2.5rem; text-align:center;}
.trust-quote h2{
  font-size:clamp(1.5rem,3vw,2.25rem);
  font-weight:700;
  color:var(--ink);
  line-height:1.4;
  margin-bottom:.5rem;
}
.trust-quote h2 span{color:var(--brand-primary);}
.trust-logos{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:1.5rem 3rem;
  padding:1.5rem 0 .5rem;
}
.trust-logos span{
  color:var(--body);
  font-size:1.125rem;
  font-weight:700;
  opacity:.5;
  transition:opacity .25s;
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  letter-spacing:.02em;
}
.trust-logos span:hover{opacity:1;}

/* FAQ */
.faq-accordion .accordion-item{
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  background:#fff;
  margin-bottom:1rem;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.faq-accordion .accordion-button{
  background:#fff;
  box-shadow:none;
  color:var(--ink);
  font-size:1.0625rem;
  font-weight:600;
  padding:1.25rem 1.5rem;
  transition:var(--transition);
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--brand-primary);
  background:var(--brand-primary-light);
}
.faq-accordion .accordion-button:focus{
  box-shadow:0 0 0 3px rgba(28,107,217,.15);
}
.faq-accordion .accordion-button::after{
  transition:transform .25s;
  background-size:1rem;
}
.faq-accordion .accordion-body{
  color:var(--body);
  line-height:1.85;
  font-size:.9375rem;
  padding:.25rem 1.5rem 1.5rem;
  background:#fff;
}

/* 底部CTA */
.bottom-cta .cta-card{
  background:
    linear-gradient(135deg, rgba(28,107,217,.08), rgba(240,138,36,.08)),
    #fff;
  border:1px solid var(--border);
  border-radius:24px;
  padding:4rem 2rem;
  text-align:center;
  box-shadow:var(--shadow);
}
.cta-card h2{
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:800;
  color:var(--ink);
  margin-bottom:1rem;
  line-height:1.3;
}
.cta-card p{color:var(--body); font-size:1.0625rem; max-width:560px; margin:0 auto 2.25rem;}
.cta-card .btn{padding:1rem 3rem; font-size:1.0625rem;}

/* 页脚 */
.site-footer{
  background:var(--ink);
  color:#AFC0D4;
  padding:4.5rem 0 0;
  font-size:.9375rem;
}
.footer-brand{
  font-size:1.5rem;
  font-weight:800;
  color:#fff;
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  margin-bottom:1rem;
}
.footer-brand .brand-mark{
  width:38px;
  height:38px;
  background:var(--brand-primary);
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:1rem;
  flex-shrink:0;
}
.footer-about{line-height:1.85; color:#AFC0D4; margin:0;}
.site-footer h4{
  color:#fff;
  font-size:1.0625rem;
  font-weight:700;
  margin-bottom:1.25rem;
}
.footer-links{list-style:none; margin:0; padding:0;}
.footer-links li{margin-bottom:.75rem;}
.footer-links a{color:#AFC0D4; text-decoration:none; transition:color .25s;}
.footer-links a:hover{color:#fff;}
.footer-contact{list-style:none; margin:0; padding:0;}
.footer-contact li{margin-bottom:.75rem; display:flex; gap:.5rem; align-items:flex-start; color:#AFC0D4;}
.footer-contact i{color:var(--brand-primary); margin-top:.3rem;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:3.5rem;
  padding:1.5rem 0;
  text-align:center;
  color:#8CA0B5;
  font-size:.875rem;
}
.footer-bottom a{color:#AFC0D4;}
.footer-bottom a:hover{color:#fff;}

/* 移动端固定CTA */
.mobile-fixed-cta{display:none;}

@media (max-width:991.98px){
  body{padding-bottom:66px;}
  .mobile-fixed-cta{
    display:flex;
    gap:.625rem;
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(10px);
    border-top:1px solid var(--border);
    padding:.75rem 1rem;
    z-index:1040;
    box-shadow:0 -4px 16px rgba(19,42,70,.06);
  }
  .mobile-fixed-cta .btn{flex:1;}
  .section{padding:4rem 0;}
  .hero{padding:120px 0 70px;}
}

@media (max-width:767.98px){
  .hero-stats{gap:.75rem;}
  .stat-pill{min-width:calc(50% - .375rem); padding:1rem;}
  .timeline-item{padding-left:4.6rem;}
  .timeline::before{left:1.85rem;}
  .timeline-step{width:3.8rem; height:3.8rem;}
  .reward-card{flex-basis:240px;}
  .challenge-main,.task-panel{padding:1.5rem;}
  .cta-card{padding:3rem 1.25rem;}
}

@media (max-width:575.98px){
  .hero-title{font-size:1.95rem;}
  .hero-caption{font-size:1rem;}
  .hero-buttons .btn-hero,.hero-buttons .btn-hero-outline{width:100%; text-align:center;}
  .section-heading h2{font-size:1.5rem;}
  .stat-pill strong{font-size:1.5rem;}
  .reward-scroll{padding-right:1rem;}
  .news-card{padding:1.5rem;}
  .site-footer{padding-top:3rem;}
  .footer-bottom{margin-top:2rem;}
}

/* roulang page: article */
:root {
  --brand-primary: #1C6BD9;
  --brand-hover: #1656B0;
  --brand-soft: rgba(28, 107, 217, .08);
  --brand-border: rgba(28, 107, 217, .22);
  --ink: #132A46;
  --body: #4A5B70;
  --accent: #F08A24;
  --bg: #F4F7FC;
  --card-bg: #FFFFFF;
  --border: #E4EAF2;
  --success: #1FA76B;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow: 0 6px 24px rgba(19, 42, 70, .06);
  --shadow-hover: 0 14px 40px rgba(19, 42, 70, .12);
  --transition: all .25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--brand-hover);
}

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

button,
input {
  font-family: inherit;
}

.container {
  max-width: 1240px;
}

.btn {
  border-radius: var(--radius-pill);
  font-weight: 500;
  padding: 0.625rem 1.625rem;
  transition: var(--transition);
  font-size: 0.9375rem;
}

.btn-primary {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--brand-hover);
  border-color: var(--brand-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(28, 107, 217, .25);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-outline-primary {
  border: 2px solid var(--brand-primary);
  color: var(--brand-primary);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--brand-soft);
  color: var(--brand-hover);
  border-color: var(--brand-hover);
}

.btn-lg {
  padding: 0.875rem 2.25rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.45rem 1.25rem;
  font-size: 0.875rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: #fff;
  box-shadow: 0 2px 12px rgba(19, 42, 70, .06);
}

.site-header .navbar {
  padding: 0.875rem 0;
}

.navbar-brand {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0.625rem;
  letter-spacing: -0.01em;
}

.navbar-brand:hover {
  color: var(--ink);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--brand-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.0625rem;
  transition: var(--transition);
}

.site-header .nav-link {
  color: var(--body);
  font-weight: 500;
  padding: 0.55rem 1rem !important;
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  margin: 0 0.125rem;
}

.site-header .nav-link:hover,
.site-header .nav-link:focus {
  color: var(--brand-primary);
  background: var(--brand-soft);
}

.site-header .nav-link.active {
  color: var(--brand-primary);
  font-weight: 600;
  background: var(--brand-soft);
}

.site-header .navbar-toggler {
  border: none;
  color: var(--ink);
  font-size: 1.25rem;
  padding: 0.375rem 0.625rem;
}

.site-header .navbar-toggler:focus {
  box-shadow: none;
}

.breadcrumb-section {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 1.125rem 0;
}

.breadcrumb {
  margin: 0;
  padding: 0;
  background: transparent;
  font-size: 0.875rem;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  color: #A8B8CC;
}

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

.breadcrumb-item a:hover {
  color: var(--brand-primary);
}

.breadcrumb-item.active {
  color: var(--ink);
  font-weight: 500;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-section {
  padding: 3.5rem 0 4.5rem;
}

.article-wrap {
  max-width: 860px;
  margin: 0 auto;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 4vw, 3.5rem);
}

.article-title {
  font-size: clamp(1.75rem, 3vw, 2.375rem);
  line-height: 1.35;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  color: #8494A8;
  font-size: 0.875rem;
  margin: 1.25rem 0 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.badge-cat {
  display: inline-flex;
  align-items: center;
  background: var(--brand-soft);
  color: var(--brand-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.875rem;
  border-radius: var(--radius-pill);
}

.meta-divider {
  width: 1px;
  height: 14px;
  background: #D8E0EA;
}

.article-content {
  color: var(--body);
  font-size: 1rem;
  line-height: 1.85;
}

.article-content p {
  margin-bottom: 1.5em;
}

.article-content h2 {
  font-size: 1.75rem;
  color: var(--ink);
  font-weight: 700;
  margin: 2.25rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--brand-soft);
}

.article-content h3 {
  font-size: 1.375rem;
  color: var(--ink);
  font-weight: 700;
  margin: 2rem 0 0.875rem;
}

.article-content h4 {
  font-size: 1.125rem;
  color: var(--ink);
  font-weight: 600;
  margin: 1.75rem 0 0.75rem;
}

.article-content img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 2rem auto;
  box-shadow: var(--shadow);
}

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

.article-content blockquote {
  border-left: 4px solid var(--brand-primary);
  background: var(--brand-soft);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
  color: var(--ink);
}

.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-content ul,
.article-content ol {
  margin: 0 0 1.5em 1.25rem;
  padding-left: 0.5rem;
}

.article-content li {
  margin-bottom: 0.5em;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.75rem 0;
  font-size: 0.9375rem;
}

.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  text-align: left;
}

.article-content th {
  background: var(--brand-soft);
  color: var(--ink);
  font-weight: 600;
}

.article-content code {
  background: var(--brand-soft);
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
  font-size: 0.875em;
  color: var(--brand-hover);
}

.article-content pre {
  background: var(--ink);
  color: #E8EEF6;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1.75rem 0;
}

.article-content pre code {
  background: none;
  color: inherit;
  padding: 0;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 2.5rem;
}

.article-tags a {
  display: inline-block;
  background: var(--brand-soft);
  color: var(--brand-primary);
  font-size: 0.8125rem;
  padding: 0.375rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: var(--transition);
}

.article-tags a:hover {
  background: #fff;
  border-color: var(--brand-border);
  color: var(--brand-hover);
  transform: translateY(-2px);
}

.article-pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
}

.article-pager a {
  color: var(--body);
  font-size: 0.875rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.article-pager a:hover {
  color: var(--brand-primary);
}

.article-pager .next-link {
  margin-left: auto;
}

.article-actions {
  text-align: center;
  margin-top: 2.5rem;
}

.article-empty {
  padding: 3rem 1rem;
}

.article-empty i {
  font-size: 3rem;
  color: #C3CFE0;
  margin-bottom: 1.25rem;
  display: block;
}

.article-empty h2 {
  font-size: 1.5rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.article-empty p {
  color: var(--body);
  margin-bottom: 1.5rem;
}

.related-section {
  background: var(--bg);
  padding: 4.5rem 0;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ink);
  text-align: center;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  text-align: center;
  color: var(--body);
  font-size: 0.9375rem;
  margin-bottom: 2.75rem;
}

.related-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.related-img-link {
  display: block;
  overflow: hidden;
}

.related-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform .4s ease;
}

.related-card:hover .related-img {
  transform: scale(1.04);
}

.related-body {
  padding: 1.5rem;
  flex: 1;
}

.related-date {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: #94A3B8;
  margin-bottom: 0.75rem;
}

.related-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
  margin: 0;
}

.related-title a {
  color: inherit;
}

.related-title a:hover {
  color: var(--brand-primary);
}

.related-empty {
  padding: 2rem 0;
  text-align: center;
}

.related-empty p {
  color: var(--body);
  margin-bottom: 1.5rem;
}

.cta-section {
  padding: 4.5rem 0;
  background: linear-gradient(135deg, #EBF2FC 0%, #DCE9F8 100%);
}

.cta-kicker {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-primary);
  background: rgba(255, 255, 255, .7);
  padding: 0.375rem 1rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
}

.cta-section h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.125rem);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.875rem;
  text-align: center;
}

.cta-desc {
  text-align: center;
  color: var(--body);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.cta-form {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  max-width: 440px;
  margin: 0 auto;
}

.cta-form .form-control {
  height: 52px;
  border-radius: var(--radius-pill);
  border: 1px solid #CCD6E3;
  padding: 0 1.375rem;
  font-size: 0.9375rem;
  background: #fff;
  color: var(--ink);
  transition: var(--transition);
}

.cta-form .form-control::placeholder {
  color: #A8B8CC;
}

.cta-form .form-control:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 4px rgba(28, 107, 217, .15);
}

.cta-form .btn {
  height: 52px;
  padding: 0 2rem;
  flex-shrink: 0;
}

.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, .8);
  padding: 4rem 0 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.375rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.125rem;
}

.site-footer .brand-mark {
  background: rgba(255, 255, 255, .12);
  color: #F4F7FC;
}

.footer-about {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .65);
  max-width: 360px;
}

.site-footer h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

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

.footer-links li,
.footer-contact li {
  margin-bottom: 0.625rem;
}

.footer-links a {
  color: rgba(255, 255, 255, .65);
  font-size: 0.875rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #fff;
  padding-left: 0.25rem;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, .65);
}

.footer-contact i {
  color: rgba(255, 255, 255, .4);
  width: 18px;
  text-align: center;
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, .12);
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, .45);
}

@media (max-width: 991.98px) {
  .site-header .navbar-collapse {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 0.75rem;
    box-shadow: var(--shadow);
    margin-top: 0.875rem;
  }

  .site-header .nav-link {
    padding: 0.625rem 0.875rem !important;
  }

  .navbar-nav .btn {
    margin: 0.5rem 0 0.25rem;
  }
}

@media (max-width: 767.98px) {
  .article-section {
    padding: 1.5rem 0 3rem;
  }

  .article-wrap {
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius-md);
  }

  .article-meta {
    gap: 0.625rem;
  }

  .related-section {
    padding: 3rem 0;
  }

  .cta-section {
    padding: 3rem 0;
  }

  .site-footer {
    padding: 3rem 0 1.5rem;
  }
}

@media (max-width: 575.98px) {
  .breadcrumb-item.active {
    max-width: 150px;
  }

  .cta-form {
    flex-direction: column;
  }

  .cta-form .btn {
    width: 100%;
  }
}

/* roulang page: category1 */
:root {
            --brand-primary: #1C6BD9;
            --brand-primary-hover: #1656B0;
            --brand-primary-soft: rgba(28, 107, 217, .08);
            --brand-primary-border: rgba(28, 107, 217, .22);
            --ink: #132A46;
            --body: #4A5B70;
            --accent: #F08A24;
            --bg: #F4F7FC;
            --card-bg: #FFFFFF;
            --border: #E4EAF2;
            --success: #1FA76B;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow: 0 6px 24px rgba(19, 42, 70, .06);
            --shadow-hover: 0 14px 40px rgba(19, 42, 70, .12);
            --transition: all .25s ease;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            color: var(--body);
            line-height: 1.75;
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: var(--brand-primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--brand-primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            background: var(--border);
        }
        .container {
            max-width: 1240px;
        }
        .section {
            padding: 6rem 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            background: var(--brand-primary-soft);
            color: var(--brand-primary);
            font-size: .8125rem;
            font-weight: 600;
            padding: .4rem 1rem;
            border-radius: var(--radius-pill);
            letter-spacing: .04em;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
            margin: 1rem 0 .5rem;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--body);
            max-width: 640px;
            line-height: 1.7;
        }
        .btn {
            border-radius: var(--radius-pill);
            padding: .75rem 1.75rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary {
            background: var(--brand-primary);
            border-color: var(--brand-primary);
        }
        .btn-primary:hover {
            background: var(--brand-primary-hover);
            border-color: var(--brand-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(28, 107, 217, .25);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline-primary {
            border: 2px solid var(--brand-primary);
            color: var(--brand-primary);
        }
        .btn-outline-primary:hover {
            background: var(--brand-primary-soft);
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--ink);
            border: none;
        }
        .btn-light:hover {
            background: #f0f4fa;
            color: var(--brand-primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
        }
        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, .8);
            color: #fff;
            background: transparent;
            padding: .75rem 1.75rem;
            font-weight: 600;
        }
        .btn-outline-light:hover {
            background: #fff;
            color: var(--brand-primary);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(228, 234, 242, .7);
            box-shadow: 0 2px 12px rgba(19, 42, 70, .06);
        }
        .site-header .navbar {
            padding: .75rem 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: .5rem;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ink);
        }
        .navbar-brand:hover {
            color: var(--brand-primary);
        }
        .brand-mark {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--brand-primary), #3f8af0);
            color: #fff;
            border-radius: 10px;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .navbar .nav-link {
            font-weight: 500;
            color: var(--ink);
            padding: .5rem 1rem !important;
            border-radius: var(--radius-pill);
            position: relative;
        }
        .navbar .nav-link:hover {
            color: var(--brand-primary);
            background: var(--brand-primary-soft);
        }
        .navbar .nav-link.active {
            color: var(--brand-primary);
            font-weight: 600;
        }
        .navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--brand-primary);
            border-radius: 999px;
        }
        .navbar-toggler {
            border: none;
            color: var(--ink);
            font-size: 1.25rem;
            padding: .35rem .5rem;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(28, 107, 217, .15);
        }
        .page-hero {
            position: relative;
            min-height: 68vh;
            display: flex;
            align-items: center;
            background: linear-gradient(120deg, rgba(19, 42, 70, .82) 0%, rgba(28, 107, 217, .55) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: #fff;
            padding-top: 120px;
            padding-bottom: 80px;
        }
        .page-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: rgba(255, 255, 255, .15);
            border: 1px solid rgba(255, 255, 255, .25);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: .875rem;
            font-weight: 500;
            padding: .4rem 1rem;
            border-radius: var(--radius-pill);
        }
        .page-hero h1 {
            font-size: clamp(2.4rem, 5vw, 3.5rem);
            font-weight: 700;
            line-height: 1.2;
            margin: 1.25rem 0 1rem;
            letter-spacing: .02em;
            color: #fff;
        }
        .page-hero .lead {
            font-size: 1.125rem;
            max-width: 560px;
            opacity: .95;
            margin-bottom: 2rem;
        }
        .page-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: .875rem;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 3.5rem;
            padding: 1.5rem 2rem;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(8px);
        }
        .hero-stats .stat-item .stat-num {
            font-size: 1.625rem;
            font-weight: 700;
            color: #fff;
            font-feature-settings: "tnum";
            line-height: 1.2;
        }
        .hero-stats .stat-item .stat-label {
            font-size: .8125rem;
            opacity: .85;
            margin-top: .25rem;
        }
        .event-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            border: none;
        }
        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .event-card .event-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .event-card .event-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .event-card:hover .event-thumb img {
            transform: scale(1.04);
        }
        .event-card .event-thumb .event-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: .75rem;
            font-weight: 600;
            padding: .3rem .75rem;
            border-radius: var(--radius-pill);
            letter-spacing: .03em;
        }
        .event-card .event-body {
            padding: 1.75rem;
        }
        .event-card .event-body h3 {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: .625rem;
        }
        .event-card .event-body p {
            font-size: .9375rem;
            color: var(--body);
            margin-bottom: 1.25rem;
            line-height: 1.7;
        }
        .event-card .event-meta {
            display: flex;
            flex-wrap: wrap;
            gap: .5rem 1rem;
            font-size: .8125rem;
            color: #6b7d94;
            margin-bottom: 1.25rem;
        }
        .event-card .event-meta i {
            color: var(--brand-primary);
            width: 16px;
        }
        .event-link {
            display: inline-flex;
            align-items: center;
            gap: .375rem;
            font-weight: 600;
            font-size: .9375rem;
            color: var(--brand-primary);
        }
        .event-link:hover {
            color: var(--brand-primary-hover);
            gap: .625rem;
        }
        .process-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .process-step {
            position: relative;
            text-align: center;
            padding: 2rem 1.5rem;
            border-radius: var(--radius-lg);
            transition: var(--transition);
            height: 100%;
        }
        .process-step:hover {
            background: var(--brand-primary-soft);
        }
        .process-step .step-num {
            display: inline-block;
            font-size: .875rem;
            font-weight: 700;
            color: var(--brand-primary);
            background: var(--brand-primary-soft);
            padding: .25rem .875rem;
            border-radius: var(--radius-pill);
            margin-bottom: 1rem;
            font-feature-settings: "tnum";
        }
        .process-step .step-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 1.25rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #eef4fd;
            color: var(--brand-primary);
            border-radius: 18px;
            font-size: 1.5rem;
        }
        .process-step h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: .5rem;
        }
        .process-step p {
            font-size: .875rem;
            color: var(--body);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .stats-section {
            background: var(--ink);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: rgba(28, 107, 217, .15);
            border-radius: 50%;
        }
        .stats-section .stat-card {
            text-align: center;
            padding: 2rem 1rem;
        }
        .stats-section .stat-card .num {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            font-feature-settings: "tnum";
            line-height: 1.2;
        }
        .stats-section .stat-card .label {
            font-size: .875rem;
            color: rgba(255, 255, 255, .75);
            margin-top: .5rem;
        }
        .schedule-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
            margin-bottom: .875rem;
        }
        .schedule-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .schedule-date {
            text-align: center;
            min-width: 64px;
            background: var(--brand-primary-soft);
            border-radius: var(--radius-md);
            padding: .5rem .75rem;
            color: var(--brand-primary);
            font-weight: 700;
        }
        .schedule-date .day {
            font-size: 1.25rem;
            line-height: 1.1;
            font-feature-settings: "tnum";
        }
        .schedule-date .month {
            font-size: .75rem;
            font-weight: 600;
        }
        .schedule-info {
            flex: 1;
        }
        .schedule-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 .25rem;
        }
        .schedule-info p {
            font-size: .8125rem;
            color: var(--body);
            margin: 0;
        }
        .schedule-status {
            font-size: .8125rem;
            font-weight: 600;
            padding: .35rem .875rem;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }
        .schedule-status.open {
            background: rgba(31, 167, 107, .12);
            color: var(--success);
        }
        .schedule-status.closing {
            background: rgba(240, 138, 36, .12);
            color: var(--accent);
        }
        .faq-section .accordion-item {
            border: 2px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: .875rem;
            overflow: hidden;
            box-shadow: var(--shadow);
            background: #fff;
        }
        .faq-section .accordion-button {
            font-weight: 600;
            color: var(--ink);
            background: #fff;
            padding: 1.25rem 1.5rem;
            font-size: 1rem;
        }
        .faq-section .accordion-button:not(.collapsed) {
            color: var(--brand-primary);
            background: var(--brand-primary-soft);
            box-shadow: none;
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(28, 107, 217, .15);
        }
        .faq-section .accordion-button::after {
            transition: transform .25s ease;
        }
        .faq-section .accordion-body {
            padding: 1.25rem 1.5rem;
            font-size: .9375rem;
            color: var(--body);
            line-height: 1.75;
            border-top: 1px solid var(--border);
        }
        .cta-section {
            background: linear-gradient(135deg, var(--brand-primary) 0%, #3f8af0 100%);
            border-radius: var(--radius-lg);
            padding: 4rem 2rem;
            text-align: center;
            color: #fff;
            margin: 6rem 0;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: .75rem;
        }
        .cta-section p {
            opacity: .9;
            max-width: 480px;
            margin: 0 auto 2rem;
        }
        .cta-section .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .2);
        }
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, .75);
            padding: 4rem 0 2rem;
            margin-top: 2rem;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: .5rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .site-footer .footer-brand .brand-mark {
            background: linear-gradient(135deg, var(--brand-primary), #3f8af0);
            color: #fff;
        }
        .site-footer .footer-about {
            font-size: .875rem;
            line-height: 1.7;
            margin-bottom: 0;
            opacity: .75;
        }
        .site-footer h4 {
            font-size: .9375rem;
            color: #fff;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .site-footer .footer-links,
        .site-footer .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li,
        .site-footer .footer-contact li {
            margin-bottom: .625rem;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, .7);
            font-size: .875rem;
        }
        .site-footer .footer-links a:hover {
            color: #fff;
        }
        .site-footer .footer-contact li {
            font-size: .875rem;
            display: flex;
            align-items: center;
            gap: .5rem;
        }
        .site-footer .footer-contact i {
            color: var(--brand-primary);
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            margin-top: 3rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: .8125rem;
            opacity: .65;
        }
        @media (max-width:991px) {
            .section {
                padding: 4rem 0;
            }
            .navbar-collapse {
                background: #fff;
                border-radius: var(--radius-md);
                padding: 1rem;
                box-shadow: var(--shadow-hover);
                margin-top: .75rem;
            }
            .navbar-nav .nav-link {
                padding: .625rem 1rem !important;
            }
            .navbar-nav .nav-link.active::after {
                display: none;
            }
            .navbar-nav .nav-link.active {
                background: var(--brand-primary-soft);
            }
            .navbar-nav .btn {
                width: 100%;
                margin-top: .5rem;
            }
            .page-hero {
                min-height: auto;
                padding-top: 120px;
            }
        }
        @media (max-width:767px) {
            .page-hero h1 {
                font-size: 2rem;
            }
            .hero-stats {
                gap: 1.25rem;
                padding: 1.25rem;
            }
            .hero-stats .stat-item .stat-num {
                font-size: 1.25rem;
            }
            .schedule-item {
                flex-wrap: wrap;
                gap: .75rem;
            }
            .schedule-status {
                margin-left: auto;
            }
        }
        @media (max-width:575px) {
            .section {
                padding: 3rem 0;
            }
            .btn {
                width: 100%;
            }
            .page-hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }
            .cta-section {
                padding: 3rem 1.5rem;
                margin: 3rem 0;
            }
            .cta-section .btn {
                width: 100%;
            }
            .event-card .event-body {
                padding: 1.25rem;
            }
        }

/* roulang page: category2 */
:root {
            --brand-primary: #1C6BD9;
            --brand-primary-hover: #1656B0;
            --brand-primary-light: rgba(28, 107, 217, 0.08);
            --brand-primary-border: rgba(28, 107, 217, 0.22);
            --ink: #132A46;
            --body: #4A5B70;
            --accent: #F08A24;
            --accent-light: rgba(240, 138, 36, 0.12);
            --bg: #F4F7FC;
            --card-bg: #FFFFFF;
            --border: #E4EAF2;
            --success: #1FA76B;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 6px 24px rgba(19, 42, 70, 0.06);
            --shadow-hover: 0 14px 40px rgba(19, 42, 70, 0.12);
            --transition: all 0.25s ease;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--brand-primary-hover);
        }

        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 5rem 0;
        }

        .section-tight {
            padding: 3.5rem 0;
        }

        .section-head {
            margin-bottom: 2.75rem;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-primary);
            background: var(--brand-primary-light);
            border: 1px solid var(--brand-primary-border);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-pill);
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink);
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }

        .section-sub {
            font-size: 1rem;
            color: var(--body);
            max-width: 680px;
        }

        .text-accent {
            color: var(--accent) !important;
        }

        .bg-soft {
            background: linear-gradient(180deg, #EDF3FB 0%, var(--bg) 100%);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(228, 234, 242, 0.8);
            box-shadow: 0 2px 12px rgba(19, 42, 70, 0.06);
            transition: var(--transition);
        }

        .site-header .navbar {
            padding: 0.875rem 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--ink) !important;
            letter-spacing: -0.02em;
        }

        .navbar-brand:hover {
            color: var(--brand-primary) !important;
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--brand-primary) 0%, #4A90E2 100%);
            border-radius: 10px;
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 4px 12px rgba(28, 107, 217, 0.28);
            flex-shrink: 0;
        }

        .navbar .nav-link {
            font-weight: 500;
            font-size: 0.9375rem;
            color: var(--body) !important;
            padding: 0.5rem 1rem !important;
            border-radius: var(--radius-pill);
            position: relative;
            transition: var(--transition);
        }

        .navbar .nav-link:hover {
            color: var(--brand-primary) !important;
            background: var(--brand-primary-light);
        }

        .navbar .nav-link.active {
            color: var(--brand-primary) !important;
            background: var(--brand-primary-light);
            font-weight: 600;
        }

        .navbar .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--brand-primary);
        }

        .navbar-toggler {
            border: none !important;
            color: var(--ink) !important;
            font-size: 1.25rem;
            padding: 0.25rem 0.5rem;
            box-shadow: none !important;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .btn-primary {
            background: var(--brand-primary);
            border-color: var(--brand-primary);
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0.65rem 1.5rem;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(28, 107, 217, 0.25);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--brand-primary-hover);
            border-color: var(--brand-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(28, 107, 217, 0.32);
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-outline-primary {
            border: 2px solid var(--brand-primary);
            color: var(--brand-primary);
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0.6rem 1.4rem;
            transition: var(--transition);
            background: transparent;
        }

        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            background: var(--brand-primary-light);
            color: var(--brand-primary-hover);
            border-color: var(--brand-primary-hover);
            transform: translateY(-2px);
        }

        .btn-outline-primary:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-accent {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0.65rem 1.5rem;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(240, 138, 36, 0.25);
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background: #E07D1A;
            border-color: #E07D1A;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(240, 138, 36, 0.32);
        }

        .btn-accent:active {
            transform: translateY(0) scale(0.98);
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 6rem 0 5rem;
            background: linear-gradient(135deg, #0F2A4E 0%, #1C3F6E 55%, #26659E 100%);
            color: #fff;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.28;
            mix-blend-mode: luminosity;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(15, 42, 78, 0.92) 30%, rgba(28, 63, 110, 0.72) 70%, rgba(38, 101, 158, 0.6) 100%);
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-pill);
            padding: 0.4rem 1.1rem;
            font-size: 0.8125rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            margin-bottom: 1.25rem;
        }

        .page-hero h1 {
            font-size: clamp(1.75rem, 4vw, 2.75rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .page-hero .hero-desc {
            font-size: 1.0625rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-bottom: 1.75rem;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
        }

        .hero-stat {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-md);
            padding: 0.75rem 1.25rem;
            backdrop-filter: blur(6px);
            min-width: 150px;
        }

        .hero-stat .stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat .stat-label {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.72);
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.875rem;
            align-items: center;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: transparent;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb-bar .breadcrumb {
            margin: 0;
            font-size: 0.8125rem;
        }

        .breadcrumb-bar .breadcrumb-item a {
            color: var(--body);
        }

        .breadcrumb-bar .breadcrumb-item a:hover {
            color: var(--brand-primary);
        }

        .breadcrumb-bar .breadcrumb-item.active {
            color: var(--ink);
            font-weight: 500;
        }

        .breadcrumb-item+.breadcrumb-item::before {
            color: #A0B0C4;
        }

        /* ===== Feature cards ===== */
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 2rem;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--brand-primary-border);
        }

        .feature-card .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: var(--brand-primary-light);
            border-radius: 12px;
            color: var(--brand-primary);
            font-size: 1.35rem;
            margin-bottom: 1.25rem;
        }

        .feature-card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.625rem;
        }

        .feature-card p {
            font-size: 0.9375rem;
            color: var(--body);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== Alternating list (Category 2 main layout) ===== */
        .split-item {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            margin-bottom: 4rem;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 2rem;
        }

        .split-item:last-child {
            margin-bottom: 0;
        }

        .split-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .split-item .split-media {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/10;
            background: #E8EDF5;
        }

        .split-item .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

        .split-item:hover .split-media img {
            transform: scale(1.04);
        }

        .split-item .split-body {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .split-item .split-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--brand-primary-light);
            border: 1px solid var(--brand-primary-border);
            padding: 0.3rem 0.875rem;
            border-radius: var(--radius-pill);
            align-self: flex-start;
            margin-bottom: 0.875rem;
        }

        .split-item .split-tag.hot {
            color: var(--accent);
            background: var(--accent-light);
            border-color: rgba(240, 138, 36, 0.3);
        }

        .split-item h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.625rem;
            letter-spacing: -0.015em;
        }

        .split-item p {
            font-size: 0.9375rem;
            color: var(--body);
            line-height: 1.75;
            margin-bottom: 1.25rem;
        }

        .split-item .point-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.25rem;
        }

        .split-item .point-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.625rem;
            font-size: 0.9375rem;
            color: var(--body);
            margin-bottom: 0.625rem;
        }

        .split-item .point-list li i {
            color: var(--success);
            font-size: 0.875rem;
            margin-top: 0.375rem;
            flex-shrink: 0;
        }

        .split-item .btn {
            align-self: flex-start;
        }

        /* ===== Anchors / Index ===== */
        .anchor-nav {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.75rem;
            box-shadow: var(--shadow-sm);
            margin-top: 2.5rem;
        }

        .anchor-nav h3 {
            font-size: 0.9375rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.875rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .anchor-nav h3 i {
            color: var(--brand-primary);
        }

        .anchor-nav .anchor-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.625rem;
        }

        .anchor-nav .anchor-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            font-size: 0.8125rem;
            font-weight: 500;
            color: var(--body);
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 0.4rem 1rem;
            transition: var(--transition);
        }

        .anchor-nav .anchor-links a:hover {
            color: var(--brand-primary);
            border-color: var(--brand-primary-border);
            background: var(--brand-primary-light);
        }

        .anchor-nav .anchor-links a i {
            font-size: 0.75rem;
            color: var(--brand-primary);
        }

        /* ===== Detail cards with anchors ===== */
        .detail-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 2.25rem;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            margin-bottom: 1.75rem;
            scroll-margin-top: 110px;
            transition: var(--transition);
        }

        .detail-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .detail-card .detail-head {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1.25rem;
        }

        .detail-card .detail-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            background: var(--brand-primary-light);
            border-radius: 12px;
            color: var(--brand-primary);
            font-size: 1.125rem;
            flex-shrink: 0;
        }

        .detail-card .detail-icon.gold {
            background: var(--accent-light);
            color: var(--accent);
        }

        .detail-card .detail-icon.green {
            background: rgba(31, 167, 107, 0.12);
            color: var(--success);
        }

        .detail-card .detail-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.25rem;
        }

        .detail-card .detail-sub {
            font-size: 0.8125rem;
            color: #8A9BB0;
            font-weight: 500;
        }

        .detail-card .detail-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.625rem;
        }

        .detail-card .detail-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.625rem;
            font-size: 0.9375rem;
            color: var(--body);
            background: var(--bg);
            border-radius: 10px;
            padding: 0.625rem 0.875rem;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .detail-card .detail-list li:hover {
            border-color: var(--brand-primary-border);
            background: var(--brand-primary-light);
        }

        .detail-card .detail-list li i {
            color: var(--brand-primary);
            font-size: 0.8125rem;
            margin-top: 0.3rem;
            flex-shrink: 0;
        }

        .detail-card .detail-list li.highlight {
            border-color: rgba(240, 138, 36, 0.3);
            background: var(--accent-light);
        }

        .detail-card .detail-list li.highlight i {
            color: var(--accent);
        }

        /* ===== How it works ===== */
        .steps-section {
            background: var(--card-bg);
            position: relative;
        }

        .step-wrap {
            position: relative;
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
            margin-bottom: 1.5rem;
            padding: 1.5rem;
            background: var(--bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
        }

        .step-wrap:hover {
            border-color: var(--brand-primary-border);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .step-num {
            font-size: 1.875rem;
            font-weight: 800;
            color: var(--brand-primary);
            opacity: 0.35;
            line-height: 1;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.04em;
            flex-shrink: 0;
            min-width: 44px;
        }

        .step-wrap h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.375rem;
        }

        .step-wrap p {
            font-size: 0.875rem;
            color: var(--body);
            margin-bottom: 0;
            line-height: 1.65;
        }

        .step-connector {
            display: none;
        }

        /* ===== Stats Band ===== */
        .stats-band {
            background: var(--ink);
            color: #fff;
            padding: 3.5rem 0;
            position: relative;
            overflow: hidden;
        }

        .stats-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            opacity: 0.1;
        }

        .stats-band .container {
            position: relative;
            z-index: 2;
        }

        .stats-band .stat-cell {
            text-align: center;
            padding: 1rem;
        }

        .stats-band .stat-cell .num {
            font-size: 2.25rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
            margin-bottom: 0.25rem;
        }

        .stats-band .stat-cell .label {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--card-bg);
            margin-bottom: 0.875rem;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-card:hover {
            border-color: var(--brand-primary-border);
        }

        .faq-card .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
            transition: var(--transition);
            margin: 0;
            user-select: none;
        }

        .faq-card .faq-q:hover {
            color: var(--brand-primary);
        }

        .faq-card .faq-q .faq-toggle {
            color: var(--brand-primary);
            font-size: 0.875rem;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--brand-primary-light);
            border-radius: 50%;
            transition: var(--transition);
        }

        .faq-card.open .faq-q .faq-toggle {
            transform: rotate(45deg);
            background: var(--brand-primary);
            color: #fff;
        }

        .faq-card .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            font-size: 0.9375rem;
            color: var(--body);
            line-height: 1.75;
            border-top: 0 solid transparent;
        }

        .faq-card.open .faq-a {
            max-height: 500px;
            padding: 0 1.5rem 1.25rem;
            border-top-width: 1px;
            border-top-color: var(--border);
            margin-top: 0;
            padding-top: 1rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 5rem 0;
            background: linear-gradient(180deg, var(--bg) 0%, #EAF1FA 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(28, 107, 217, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-box {
            background: var(--card-bg);
            border-radius: calc(var(--radius-lg) + 8px);
            padding: 3.5rem 3rem;
            text-align: center;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border);
            position: relative;
            z-index: 1;
        }

        .cta-box h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.875rem;
            letter-spacing: -0.02em;
        }

        .cta-box p {
            font-size: 1.0625rem;
            color: var(--body);
            max-width: 520px;
            margin: 0 auto 1.75rem;
        }

        .cta-box .btn-accent,
        .cta-box .btn-primary {
            min-width: 180px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.7);
            padding: 4rem 0 0;
            font-size: 0.9375rem;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .site-footer .footer-brand .brand-mark {
            background: var(--brand-primary);
        }

        .footer-about {
            font-size: 0.875rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 0;
        }

        .site-footer h4 {
            font-size: 0.9375rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

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

        .footer-links li {
            margin-bottom: 0.625rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
            transition: var(--transition);
            text-decoration: none;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0.625rem;
        }

        .footer-contact li i {
            color: var(--brand-primary);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.25rem 0;
            margin-top: 3rem;
            text-align: center;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ===== Responsive ===== */
        @media (min-width: 768px) {
            .split-item {
                flex-direction: row;
                align-items: center;
                padding: 2.5rem;
            }

            .split-item .split-media {
                flex: 0 0 48%;
            }

            .split-item:nth-child(even) {
                flex-direction: row-reverse;
            }

            .split-item .split-body {
                flex: 1;
                padding: 0 1.5rem;
            }
        }

        @media (max-width: 991px) {
            .site-header .navbar-collapse {
                background: #fff;
                border-radius: var(--radius-md);
                padding: 1rem 1.25rem;
                margin-top: 0.75rem;
                box-shadow: var(--shadow-hover);
                border: 1px solid var(--border);
            }

            .navbar .nav-link {
                padding: 0.625rem 1rem !important;
            }

            .navbar .nav-link.active::after {
                display: none;
            }

            .section {
                padding: 3.5rem 0;
            }
        }

        @media (max-width: 767px) {
            .page-hero {
                padding: 4rem 0 3.5rem;
            }

            .page-hero .hero-stats {
                flex-direction: column;
                gap: 0.75rem;
            }

            .hero-stat {
                width: 100%;
            }

            .detail-card .detail-list {
                grid-template-columns: 1fr;
            }

            .split-item {
                padding: 1.5rem;
            }

            .split-item .split-body {
                padding: 0;
            }

            .step-wrap {
                flex-direction: row;
                padding: 1.25rem;
            }

            .cta-box {
                padding: 2.5rem 1.5rem;
            }

            .cta-box .btn-primary,
            .cta-box .btn-accent {
                width: 100%;
                display: block;
            }
        }

        @media (max-width: 575px) {
            .navbar-brand {
                font-size: 1.1rem;
            }

            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 0.9375rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .detail-card {
                padding: 1.5rem;
            }

            .detail-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }

            .anchor-nav {
                padding: 1.25rem;
            }
        }

/* roulang page: category3 */
:root {
      --brand-primary: #1C6BD9;
      --brand-hover: #1656B0;
      --brand-soft: rgba(28, 107, 217, .08);
      --brand-border: rgba(28, 107, 217, .22);
      --ink: #132A46;
      --body: #4A5B70;
      --accent: #F08A24;
      --bg: #F4F7FC;
      --card: #FFFFFF;
      --line: #E4EAF2;
      --success: #1FA76B;
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-pill: 999px;
      --shadow: 0 6px 24px rgba(19, 42, 70, .06);
      --shadow-hover: 0 14px 40px rgba(19, 42, 70, .12);
      --transition: all .25s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
      background: var(--bg);
      color: var(--body);
      line-height: 1.75;
      font-size: 1rem;
      -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, h4, h5, h6 {
      color: var(--ink);
      font-weight: 700;
      line-height: 1.3;
      margin: 0 0 0.5rem;
    }

    p {
      margin: 0 0 1rem;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }

    img {
      max-width: 100%;
      display: block;
      object-fit: cover;
    }

    ul {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .container {
      max-width: 1240px;
    }

    /* ========== Header / Nav ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(255, 255, 255, .96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--line);
    }

    .site-header .navbar {
      padding: 0.75rem 0;
      min-height: 70px;
    }

    .navbar-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 1.35rem;
      color: var(--ink);
      letter-spacing: .02em;
    }

    .navbar-brand:hover {
      color: var(--brand-primary);
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--brand-primary), #3B82E8);
      color: #fff;
      border-radius: 10px;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(28, 107, 217, .25);
    }

    .site-header .navbar-nav {
      gap: .4rem;
    }

    .site-header .nav-link {
      color: var(--body);
      font-weight: 500;
      padding: .5rem .9rem;
      border-radius: var(--radius-pill);
      position: relative;
      display: flex;
      align-items: center;
    }

    .site-header .nav-link:hover {
      color: var(--brand-primary);
      background: var(--brand-soft);
    }

    .site-header .nav-link.active {
      color: var(--brand-primary);
      background: var(--brand-soft);
      font-weight: 600;
    }

    .site-header .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 50%;
      transform: translateX(-50%);
      width: 22px;
      height: 3px;
      border-radius: 99px;
      background: var(--brand-primary);
    }

    .site-header .btn-primary {
      padding: .5rem 1.3rem;
      font-weight: 600;
    }

    .navbar-toggler {
      border: none;
      color: var(--ink);
      font-size: 1.3rem;
      padding: .25rem .5rem;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 3px rgba(28, 107, 217, .15);
    }

    @media (max-width: 991.98px) {
      .site-header .navbar-collapse {
        background: #fff;
        border-radius: 14px;
        margin-top: 10px;
        padding: 12px;
        box-shadow: 0 10px 30px rgba(19, 42, 70, .08);
      }

      .site-header .navbar-nav {
        gap: .2rem;
      }

      .site-header .nav-link {
        padding: .65rem .9rem;
      }

      .site-header .nav-link.active::after {
        display: none;
      }
    }

    /* ========== Buttons ========== */
    .btn {
      border-radius: var(--radius-pill);
      transition: var(--transition);
      font-weight: 600;
    }

    .btn-primary {
      background: var(--brand-primary);
      border-color: var(--brand-primary);
      color: #fff;
      padding: .75rem 1.75rem;
      box-shadow: 0 4px 14px rgba(28, 107, 217, .22);
    }

    .btn-primary:hover {
      background: var(--brand-hover);
      border-color: var(--brand-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(28, 107, 217, .3);
      color: #fff;
    }

    .btn-primary:active {
      transform: translateY(0);
    }

    .btn-outline-primary {
      border: 2px solid var(--brand-primary);
      color: var(--brand-primary);
      background: transparent;
      padding: .55rem 1.5rem;
    }

    .btn-outline-primary:hover {
      background: var(--brand-soft);
      color: var(--brand-hover);
      border-color: var(--brand-hover);
      transform: translateY(-2px);
    }

    .btn-light {
      background: #fff;
      border-color: #fff;
      color: var(--ink);
      padding: .75rem 1.75rem;
    }

    .btn-light:hover {
      background: rgba(255, 255, 255, .9);
      transform: translateY(-2px);
      color: var(--brand-primary);
    }

    /* ========== Hero ========== */
    .academy-hero {
      position: relative;
      min-height: 64vh;
      display: flex;
      align-items: center;
      background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      padding: 120px 0 90px;
      color: #fff;
    }

    .academy-hero .overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(110deg, rgba(19, 42, 70, .82) 0%, rgba(28, 107, 217, .55) 60%, rgba(19, 42, 70, .35) 100%);
    }

    .academy-hero .container {
      position: relative;
      z-index: 2;
      text-align: center;
    }

    .breadcrumb-custom {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, .14);
      border-radius: var(--radius-pill);
      padding: .35rem .95rem;
      font-size: .85rem;
      color: rgba(255, 255, 255, .85);
      margin-bottom: 1.5rem;
      backdrop-filter: blur(6px);
      border: 1px solid rgba(255, 255, 255, .15);
    }

    .breadcrumb-custom a {
      color: rgba(255, 255, 255, .9);
    }

    .breadcrumb-custom a:hover {
      color: #fff;
    }

    .breadcrumb-custom i {
      font-size: .7rem;
      opacity: .7;
    }

    .hero-title {
      font-size: clamp(2rem, 4.5vw, 3.5rem);
      color: #fff;
      margin-bottom: .75rem;
      letter-spacing: .02em;
      text-shadow: 0 4px 20px rgba(0, 0, 0, .2);
    }

    .hero-desc {
      max-width: 680px;
      margin: 0 auto 1.75rem;
      font-size: 1.1rem;
      color: rgba(255, 255, 255, .9);
      line-height: 1.7;
    }

    .hero-btns {
      display: flex;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 2rem;
    }

    .anchor-nav {
      display: inline-flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .16);
      backdrop-filter: blur(8px);
      border-radius: var(--radius-pill);
      padding: .5rem .6rem;
      max-width: 100%;
    }

    .anchor-nav a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: .45rem 1.05rem;
      border-radius: var(--radius-pill);
      color: rgba(255, 255, 255, .9);
      font-size: .9rem;
      font-weight: 500;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .anchor-nav a i {
      font-size: .8rem;
    }

    .anchor-nav a:hover {
      background: rgba(255, 255, 255, .18);
      color: #fff;
    }

    @media (max-width: 767.98px) {
      .academy-hero {
        min-height: auto;
        padding: 100px 0 70px;
      }

      .anchor-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        max-width: 100%;
        border-radius: 24px;
      }

      .anchor-nav::-webkit-scrollbar {
        display: none;
      }

      .hero-btns .btn {
        width: 100%;
      }
    }

    /* ========== Stats ========== */
    .stats-section {
      position: relative;
      z-index: 3;
      margin-top: -55px;
      padding-bottom: 0;
    }

    .stat-card {
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      padding: 1.25rem 1rem;
      text-align: center;
      height: 100%;
      transition: var(--transition);
      border: 1px solid rgba(228, 234, 242, .6);
    }

    .stat-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .stat-num {
      font-size: 1.9rem;
      font-weight: 700;
      color: var(--brand-primary);
      font-feature-settings: "tnum";
      line-height: 1.2;
      margin-bottom: .25rem;
    }

    .stat-label {
      font-size: .88rem;
      color: var(--body);
      font-weight: 500;
    }

    @media (max-width: 767.98px) {
      .stats-section {
        margin-top: -35px;
      }

      .stat-card {
        padding: .9rem .6rem;
      }

      .stat-num {
        font-size: 1.4rem;
      }
    }

    /* ========== Course Sections ========== */
    .course-section {
      padding: 55px 0;
    }

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

    .course-card {
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      overflow: hidden;
      border: 1px solid rgba(228, 234, 242, .6);
      transition: var(--transition);
      height: 100%;
    }

    .course-card:hover {
      box-shadow: var(--shadow-hover);
    }

    .course-media {
      position: relative;
      height: 100%;
      min-height: 280px;
      overflow: hidden;
    }

    .course-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 280px;
      transition: transform .5s ease;
    }

    .course-card:hover .course-media img {
      transform: scale(1.03);
    }

    .course-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      background: var(--accent);
      color: #fff;
      font-size: .8rem;
      font-weight: 600;
      padding: .25rem .8rem;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 12px rgba(240, 138, 36, .3);
      z-index: 2;
    }

    .course-body {
      padding: 2rem 2.2rem;
      display: flex;
      flex-direction: column;
      justify-content: center;
      height: 100%;
    }

    .course-icon {
      width: 48px;
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--brand-soft);
      color: var(--brand-primary);
      border-radius: 12px;
      font-size: 1.25rem;
      margin-bottom: 1rem;
    }

    .course-body h2 {
      font-size: 1.75rem;
      margin-bottom: .5rem;
    }

    .course-body .lead-text {
      color: var(--body);
      margin-bottom: 1rem;
      font-size: .95rem;
    }

    .point-list {
      margin-bottom: 1.25rem;
    }

    .point-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: .35rem 0;
      font-size: .92rem;
      color: var(--body);
    }

    .point-list li i {
      color: var(--success);
      font-size: .85rem;
      margin-top: .3rem;
      flex-shrink: 0;
    }

    @media (max-width: 991.98px) {
      .course-media {
        min-height: 220px;
      }

      .course-media img {
        min-height: 220px;
      }

      .course-body {
        padding: 1.5rem 1.4rem;
      }
    }

    /* Gear cards */
    .gear-card {
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      padding: 1.75rem 1.5rem;
      height: 100%;
      border: 1px solid rgba(228, 234, 242, .6);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .gear-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--brand-primary), #3B82E8);
      opacity: 0;
      transition: var(--transition);
    }

    .gear-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .gear-card:hover::before {
      opacity: 1;
    }

    .gear-card .gear-icon {
      width: 52px;
      height: 52px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--brand-primary), #3B82E8);
      color: #fff;
      border-radius: 14px;
      font-size: 1.3rem;
      margin-bottom: 1rem;
      box-shadow: 0 6px 16px rgba(28, 107, 217, .2);
    }

    .gear-card h3 {
      font-size: 1.1rem;
      margin-bottom: .4rem;
    }

    .gear-card p {
      font-size: .9rem;
      color: var(--body);
      margin-bottom: 0;
    }

    /* ========== Learning Ways ========== */
    .learning-section {
      padding: 70px 0;
      background: var(--bg);
    }

    .section-head {
      text-align: center;
      margin-bottom: 2.5rem;
    }

    .section-head .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--brand-soft);
      color: var(--brand-primary);
      font-size: .82rem;
      font-weight: 600;
      padding: .3rem 1rem;
      border-radius: var(--radius-pill);
      border: 1px solid var(--brand-border);
      margin-bottom: .6rem;
    }

    .section-head h2 {
      font-size: 1.9rem;
    }

    .section-head p {
      color: var(--body);
      max-width: 620px;
      margin: 0 auto;
      font-size: .95rem;
    }

    .learning-card {
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      padding: 2rem 1.75rem;
      height: 100%;
      text-align: center;
      transition: var(--transition);
      border: 1px solid rgba(228, 234, 242, .6);
    }

    .learning-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .learning-card .learn-icon {
      width: 62px;
      height: 62px;
      margin: 0 auto 1.1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 18px;
      font-size: 1.5rem;
      color: #fff;
      box-shadow: 0 8px 20px rgba(28, 107, 217, .18);
    }

    .learning-card:nth-child(1) .learn-icon {
      background: linear-gradient(135deg, #1C6BD9, #3B82E8);
    }

    .learning-card:nth-child(2) .learn-icon {
      background: linear-gradient(135deg, #F08A24, #F5A95A);
    }

    .learning-card:nth-child(3) .learn-icon {
      background: linear-gradient(135deg, #1FA76B, #35C88B);
    }

    .learning-card h3 {
      font-size: 1.1rem;
      margin-bottom: .5rem;
    }

    .learning-card p {
      font-size: .9rem;
      color: var(--body);
      margin-bottom: 0;
    }

    /* ========== FAQ ========== */
    .faq-section {
      padding: 70px 0;
    }

    .faq-wrap {
      max-width: 820px;
      margin: 0 auto;
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      padding: 2rem 1.8rem;
      border: 1px solid rgba(228, 234, 242, .6);
    }

    .accordion-item {
      border: none;
      border-bottom: 1px solid var(--line);
      background: transparent;
    }

    .accordion-item:last-child {
      border-bottom: none;
    }

    .accordion-button {
      background: transparent;
      color: var(--ink);
      font-weight: 600;
      font-size: 1rem;
      padding: 1.1rem .5rem;
      box-shadow: none;
      border: none;
    }

    .accordion-button:not(.collapsed) {
      background: var(--brand-soft);
      color: var(--brand-primary);
    }

    .accordion-button:focus {
      box-shadow: none;
      border-left: 3px solid var(--brand-primary);
    }

    .accordion-button::after {
      background-image: none;
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      content: "\f067";
      font-size: .85rem;
      color: var(--brand-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
    }

    .accordion-button:not(.collapsed)::after {
      content: "\f068";
    }

    .accordion-body {
      padding: .5rem .5rem 1.2rem;
      color: var(--body);
      font-size: .92rem;
      line-height: 1.7;
    }

    /* ========== CTA ========== */
    .cta-section {
      padding: 90px 0;
      background: linear-gradient(110deg, rgba(19, 42, 70, .9) 0%, rgba(28, 107, 217, .78) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      color: #fff;
      text-align: center;
      position: relative;
    }

    .cta-section h2 {
      color: #fff;
      font-size: clamp(1.7rem, 3vw, 2.5rem);
      margin-bottom: .75rem;
    }

    .cta-section p {
      color: rgba(255, 255, 255, .85);
      max-width: 560px;
      margin: 0 auto 1.75rem;
      font-size: 1rem;
    }

    .cta-section .btn {
      padding: .85rem 2.2rem;
      font-size: 1rem;
    }

    /* ========== Footer ========== */
    .site-footer {
      background: var(--ink);
      color: rgba(255, 255, 255, .75);
      padding: 60px 0 0;
    }

    .site-footer .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: .75rem;
    }

    .site-footer .footer-about {
      font-size: .9rem;
      line-height: 1.7;
      color: rgba(255, 255, 255, .6);
      max-width: 360px;
    }

    .site-footer h4 {
      color: #fff;
      font-size: 1rem;
      margin-bottom: 1.1rem;
      font-weight: 600;
    }

    .site-footer .footer-links li,
    .site-footer .footer-contact li {
      margin-bottom: .55rem;
      font-size: .9rem;
      line-height: 1.5;
    }

    .site-footer .footer-links a {
      color: rgba(255, 255, 255, .65);
    }

    .site-footer .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .site-footer .footer-contact li {
      color: rgba(255, 255, 255, .65);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .site-footer .footer-contact i {
      color: var(--brand-primary);
      width: 16px;
      font-size: .85rem;
    }

    .footer-bottom {
      margin-top: 45px;
      border-top: 1px solid rgba(255, 255, 255, .08);
      padding: 20px 0;
      text-align: center;
      font-size: .85rem;
      color: rgba(255, 255, 255, .4);
    }

    @media (max-width: 767.98px) {
      .site-footer {
        padding-top: 40px;
      }

      .footer-bottom {
        margin-top: 30px;
      }
    }

    /* ========== Section spacing tweaks ========== */
    .pb-0 {
      padding-bottom: 0 !important;
    }

    .section-mini {
      padding: 40px 0;
    }

    @media (max-width: 767.98px) {
      .course-section {
        padding: 40px 0;
      }

      .learning-section,
      .faq-section,
      .cta-section {
        padding: 50px 0;
      }

      .faq-wrap {
        padding: 1.4rem 1rem;
      }

      .course-body {
        padding: 1.3rem 1.1rem;
      }
    }