/* roulang page: index */
:root{
  --bg-dark:#07101F;
  --bg-secondary:#0D1830;
  --bg-deep:#050A14;
  --brand-blue:#1E6FFF;
  --brand-cyan:#14E0C8;
  --danger:#FF4D6D;
  --text-light:#EDF2FF;
  --text-secondary:#8A9BBC;
  --text-dim:#566181;
  --glass-bg:rgba(255,255,255,0.05);
  --glass-border:rgba(255,255,255,0.08);
  --radius-sm:12px;
  --radius-lg:16px;
  --shadow-card:0 4px 16px rgba(0,0,0,0.2);
  --shadow-hover:0 12px 32px rgba(0,0,0,0.35);
  --shadow-nav:0 8px 32px rgba(0,0,0,0.3);
  --font-display:"DIN Alternate","Barlow Condensed","Rajdhani",sans-serif;
  --font-body:"PingFang SC","Microsoft YaHei UI","Noto Sans SC","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--bg-dark);
  color:var(--text-light);
  line-height:1.7;
  font-size:15px;
  overflow-x:hidden;
}
a{color:var(--brand-cyan);text-decoration:none;transition:color .3s ease}
a:hover{color:var(--brand-blue)}
img{max-width:100%;display:block}
.container{max-width:1200px}
.section{padding:80px 0}
.glass{
  background:var(--glass-bg);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
}
.section-title-wrap{text-align:center;max-width:640px;margin:0 auto 56px}
.section-label{
  display:inline-block;
  font-size:13px;
  letter-spacing:1px;
  color:var(--brand-cyan);
  border:1px solid rgba(20,224,200,.3);
  border-radius:100px;
  padding:4px 16px;
  margin-bottom:16px;
  font-weight:500;
}
.section-title{font-size:28px;font-weight:600;letter-spacing:1px;margin-bottom:12px}
.section-sub{color:var(--text-secondary);font-size:15px}
.btn{
  border-radius:50px;
  padding:12px 28px;
  font-weight:500;
  font-size:15px;
  border:none;
  transition:all .3s ease;
  position:relative;
}
.btn:focus{outline:none;box-shadow:0 0 0 3px rgba(20,224,200,.35)}
.btn-brand{
  background:var(--brand-blue);
  color:#fff;
  box-shadow:0 0 24px rgba(30,111,255,.45);
}
.btn-brand:hover{
  background:#2a7aff;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 0 32px rgba(30,111,255,.6);
}
.btn-brand:active{transform:translateY(0)}
.btn-cyan{
  background:var(--brand-cyan);
  color:#07101F;
  box-shadow:0 0 24px rgba(20,224,200,.4);
}
.btn-cyan:hover{color:#07101F;transform:translateY(-2px);box-shadow:0 0 32px rgba(20,224,200,.5)}
.btn-outline-light{
  background:rgba(255,255,255,.06);
  color:var(--text-light);
  border:1px solid rgba(255,255,255,.25);
  backdrop-filter:blur(10px);
}
.btn-outline-light:hover{
  border-color:var(--brand-cyan);
  color:var(--brand-cyan);
  background:rgba(20,224,200,.08);
  transform:translateY(-2px);
}
.btn-lg{padding:16px 40px;font-size:16px}
.btn-sm{padding:8px 20px;font-size:14px}
/* ===== Header / Nav ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1040;
  background:rgba(10,18,36,.4);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(7,16,31,.92);
  box-shadow:var(--shadow-nav);
  border-bottom-color:transparent;
}
.navbar{padding:0;min-height:70px}
.navbar-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:700;
  color:var(--text-light);
  letter-spacing:1px;
}
.navbar-brand:hover{color:var(--brand-cyan)}
.brand-wave{flex-shrink:0}
.brand-name{position:relative}
.brand-name::after{
  content:'';
  position:absolute;
  left:0;bottom:-2px;
  width:100%;height:3px;
  background:var(--brand-cyan);
  border-radius:2px;
  box-shadow:0 0 8px rgba(20,224,200,.6);
}
.navbar-nav{gap:6px}
.nav-link{
  color:var(--text-secondary);
  font-size:14px;
  font-weight:500;
  padding:8px 14px;
  border-radius:100px;
  transition:color .3s ease;
  position:relative;
}
.nav-link::after{
  content:'';
  position:absolute;
  left:50%;bottom:2px;
  transform:translateX(-50%);
  width:0;height:4px;
  background:var(--brand-cyan);
  border-radius:2px;
  box-shadow:0 0 8px rgba(20,224,200,.6);
  transition:width .3s ease;
}
.nav-link:hover,.nav-link.active{color:var(--brand-cyan)}
.nav-link:hover::after,.nav-link.active::after{width:20px}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-search{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid transparent;
  border-radius:50%;
  color:var(--text-secondary);
  transition:all .3s ease;
}
.nav-search:hover{
  color:var(--brand-cyan);
  border-color:rgba(20,224,200,.3);
  box-shadow:0 0 12px rgba(20,224,200,.2);
}
.navbar-toggler{
  border:none;
  padding:8px;
  font-size:22px;
  color:var(--text-light);
  background:transparent;
}
.navbar-toggler:focus{box-shadow:none;outline:2px solid rgba(20,224,200,.4)}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23EDF2FF' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
  width:26px;height:26px;
}
/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  padding:120px 0 80px;
  background:
    linear-gradient(135deg,rgba(7,16,31,.88) 0%,rgba(13,24,48,.72) 60%,rgba(7,16,31,.9) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow:hidden;
}
.hero-grid{
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:60px 60px;
  pointer-events:none;
}
.hero-beam{
  position:absolute;
  left:-120px;top:-60px;
  width:420px;height:420px;
  background:radial-gradient(circle,rgba(20,224,200,.2),transparent 70%);
  filter:blur(20px);
  pointer-events:none;
  animation:beamFloat 6s ease-in-out infinite alternate;
}
@keyframes beamFloat{
  0%{transform:translateY(0) scale(1);opacity:.7}
  100%{transform:translateY(30px) scale(1.1);opacity:1}
}
.hero-spectrum{
  position:absolute;
  bottom:0;left:0;right:0;
  height:200px;
  display:flex;
  align-items:flex-end;
  justify-content:center;
  gap:8px;
  opacity:.3;
  pointer-events:none;
  overflow:hidden;
}
.hero-spectrum span{
  width:6px;
  background:linear-gradient(to top,var(--brand-blue),var(--brand-cyan));
  border-radius:3px 3px 0 0;
  animation:spectrumPulse 1.2s ease-in-out infinite alternate;
  transform-origin:bottom;
}
@keyframes spectrumPulse{
  0%{transform:scaleY(.6)}
  100%{transform:scaleY(1)}
}
.hero-content{position:relative;z-index:2}
.hero h1{
  font-size:clamp(36px,5vw,56px);
  font-weight:700;
  letter-spacing:2px;
  color:var(--text-light);
  text-shadow:0 0 30px rgba(30,111,255,.4);
  margin-bottom:20px;
}
.hero-subtitle{
  font-size:clamp(16px,2vw,22px);
  color:var(--text-secondary);
  max-width:520px;
  margin-bottom:36px;
  line-height:1.6;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
/* ===== Stats ===== */
.stats-section{
  padding:0;
  margin-top:-60px;
  position:relative;
  z-index:10;
}
.stat-card{
  padding:32px 24px;
  text-align:center;
  transition:box-shadow .3s ease;
}
.stat-card:hover{box-shadow:0 0 24px rgba(20,224,200,.15),var(--shadow-card)}
.stat-number{
  font-family:var(--font-display);
  font-variant-numeric:tabular-nums;
  font-size:44px;
  font-weight:700;
  color:var(--brand-cyan);
  line-height:1.2;
  margin-bottom:6px;
}
.stat-number span{font-size:24px;color:var(--brand-blue)}
.stat-label{color:var(--text-secondary);font-size:14px;letter-spacing:1px}
/* ===== Timeline ===== */
.timeline{position:relative;max-width:960px;margin:0 auto;padding:20px 0}
.timeline::before{
  content:'';
  position:absolute;
  left:50%;top:0;bottom:0;
  border-left:1px dashed rgba(255,255,255,.15);
  transform:translateX(-50%);
}
.timeline-item{
  position:relative;
  width:calc(50% - 44px);
  margin-bottom:44px;
}
.timeline-item:nth-child(odd){margin-left:0;margin-right:auto;text-align:right}
.timeline-item:nth-child(even){margin-left:auto;margin-right:0}
.timeline-card{
  background:var(--glass-bg);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:24px 28px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.timeline-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(20,224,200,.25);
}
.timeline-dot{
  position:absolute;
  top:28px;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--brand-cyan);
  box-shadow:0 0 12px rgba(20,224,200,.8),0 0 24px rgba(20,224,200,.4);
  transition:box-shadow .3s ease;
}
.timeline-item:nth-child(odd) .timeline-dot{right:-50px}
.timeline-item:nth-child(even) .timeline-dot{left:-50px}
.timeline-item:hover .timeline-dot{box-shadow:0 0 20px rgba(20,224,200,1),0 0 40px rgba(20,224,200,.6)}
.timeline-time{
  font-family:var(--font-display);
  font-variant-numeric:tabular-nums;
  font-size:20px;
  font-weight:600;
  color:var(--brand-cyan);
  margin-bottom:6px;
}
.timeline-card h3{font-size:18px;font-weight:600;color:var(--text-light);margin-bottom:8px}
.timeline-card p{color:var(--text-secondary);font-size:14px;margin-bottom:10px}
.timeline-tag{
  display:inline-block;
  font-size:12px;
  color:var(--text-secondary);
  border:1px solid rgba(255,255,255,.15);
  border-radius:100px;
  padding:3px 12px;
  background:rgba(255,255,255,.04);
}
/* ===== Speakers ===== */
.speaker-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--glass-bg);
  backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  height:100%;
}
.speaker-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(20,224,200,.3);
}
.speaker-photo{
  position:relative;
  aspect-ratio:1/1;
  overflow:hidden;
}
.speaker-photo img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.speaker-card:hover .speaker-photo img{transform:scale(1.03)}
.speaker-info{padding:20px 20px 22px}
.speaker-info h3{font-size:19px;font-weight:600;color:var(--text-light);margin-bottom:4px}
.speaker-role{color:var(--text-secondary);font-size:13px;margin-bottom:14px;line-height:1.5}
.speaker-tags{display:flex;gap:6px;flex-wrap:wrap}
.speaker-tags span{
  font-size:12px;
  color:var(--brand-cyan);
  border:1px solid rgba(20,224,200,.3);
  border-radius:100px;
  padding:2px 10px;
  background:rgba(20,224,200,.05);
}
/* ===== Pricing ===== */
.pricing-wrap{display:flex;align-items:center;justify-content:center;gap:24px;flex-wrap:wrap}
.pricing-card{
  position:relative;
  flex:1 1 280px;
  max-width:340px;
  background:var(--glass-bg);
  backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:36px 28px 32px;
  text-align:center;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(20,224,200,.2)}
.pricing-card.featured{
  background:rgba(255,255,255,.08);
  transform:scale(1.03);
  border-color:rgba(20,224,200,.3);
  box-shadow:0 0 40px rgba(30,111,255,.15);
}
.pricing-card.featured:hover{transform:scale(1.03) translateY(-4px)}
.featured-badge{
  position:absolute;
  top:-14px;left:50%;
  transform:translateX(-50%);
  background:var(--danger);
  color:#fff;
  font-size:12px;
  font-weight:500;
  padding:4px 18px;
  border-radius:100px;
  white-space:nowrap;
  box-shadow:0 4px 16px rgba(255,77,109,.4);
}
.featured-badge::after{
  content:'';
  position:absolute;
  bottom:-6px;left:50%;
  transform:translateX(-50%);
  border-left:6px solid transparent;
  border-right:6px solid transparent;
  border-top:6px solid var(--danger);
}
.pricing-name{font-size:18px;font-weight:600;color:var(--text-light);margin-bottom:8px}
.pricing-price{
  font-family:var(--font-display);
  font-variant-numeric:tabular-nums;
  font-size:44px;
  font-weight:700;
  color:var(--brand-cyan);
  line-height:1.2;
  margin-bottom:6px;
}
.pricing-price .currency{font-size:22px;vertical-align:super;margin-right:2px}
.pricing-price.standard{color:var(--brand-blue)}
.pricing-period{font-size:13px;color:var(--text-dim);margin-bottom:24px}
.pricing-features{list-style:none;padding:0;margin:0 0 28px;text-align:left}
.pricing-features li{
  font-size:14px;
  color:var(--text-secondary);
  padding:8px 0;
  display:flex;
  align-items:center;
  gap:10px;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.pricing-features li:last-child{border-bottom:none}
.pricing-features li i{color:var(--brand-cyan);font-size:13px;width:16px;text-align:center}
.pricing-card .btn{width:100%}
/* ===== Register ===== */
.register-section{
  position:relative;
  background:
    radial-gradient(ellipse at 50% 0%,rgba(30,111,255,.25),transparent 60%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat,
    var(--bg-secondary);
  overflow:hidden;
}
.register-section::before{
  content:'';
  position:absolute;
  inset:0;
  background:rgba(7,16,31,.82);
  pointer-events:none;
}
.register-wrap{position:relative;z-index:2;max-width:620px;margin:0 auto;text-align:center}
.register-wrap h2{font-size:32px;font-weight:700;margin-bottom:14px;color:var(--text-light)}
.register-wrap .lead-text{color:var(--text-secondary);margin-bottom:36px;font-size:16px}
.register-form{
  background:var(--glass-bg);
  backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:36px 32px;
  text-align:left;
}
.form-control,.form-select{
  background:rgba(7,16,31,.5);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text-light);
  border-radius:var(--radius-sm);
  padding:12px 16px;
  font-size:15px;
  transition:border-color .3s ease,box-shadow .3s ease;
  height:auto;
}
.form-control::placeholder{color:var(--text-dim)}
.form-control:focus,.form-select:focus{
  background:rgba(7,16,31,.65);
  border-color:var(--brand-cyan);
  box-shadow:0 0 0 3px rgba(20,224,200,.2);
  color:var(--text-light);
}
.form-select option{background:var(--bg-secondary);color:var(--text-light)}
.form-hint{font-size:13px;color:var(--text-dim);margin-top:14px;text-align:center}
/* ===== News ===== */
.news-card{
  display:block;
  background:var(--glass-bg);
  backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  height:100%;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(20,224,200,.25);
  color:var(--text-light);
}
.news-card-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.news-card-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.news-card:hover .news-card-cover img{transform:scale(1.05)}
.news-cat{
  position:absolute;
  top:14px;left:14px;
  font-size:12px;
  color:var(--brand-cyan);
  background:rgba(7,16,31,.75);
  border:1px solid rgba(20,224,200,.3);
  border-radius:100px;
  padding:3px 12px;
  backdrop-filter:blur(8px);
  z-index:2;
}
.news-card-body{padding:20px}
.news-card-body h3{
  font-size:16px;
  font-weight:600;
  color:var(--text-light);
  line-height:1.45;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card-body p{
  font-size:14px;
  color:var(--text-secondary);
  margin-bottom:14px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-dim);
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:12px;
}
.read-more{color:var(--brand-cyan);font-size:13px;display:inline-flex;align-items:center;gap:6px}
.news-card:hover .read-more{text-decoration:underline}
.empty-state{
  border:2px dashed rgba(255,255,255,.15);
  border-radius:var(--radius-lg);
  padding:60px 20px;
  text-align:center;
  color:var(--text-secondary);
}
.empty-state i{font-size:36px;color:var(--text-dim);margin-bottom:12px;display:block}
/* ===== FAQ ===== */
.accordion{max-width:820px;margin:0 auto}
.accordion-item{
  background:var(--glass-bg);
  backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color .3s ease;
}
.accordion-item:hover{border-color:rgba(20,224,200,.15)}
.accordion-header{border:none}
.accordion-button{
  background:transparent;
  color:var(--text-light);
  font-size:16px;
  font-weight:500;
  padding:20px 24px;
  border:none;
  transition:background .3s ease,color .3s ease;
}
.accordion-button:not(.collapsed){
  background:rgba(255,255,255,.06);
  color:var(--brand-cyan);
  box-shadow:none;
}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(20,224,200,.3);border-radius:var(--radius-lg)}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2314E0C8'%3E%3Cpath d='M8 4a.75.75 0 0 1 .75.75v2.5h2.5a.75.75 0 0 1 0 1.5h-2.5v2.5a.75.75 0 0 1-1.5 0v-2.5h-2.5a.75.75 0 0 1 0-1.5h2.5v-2.5A.75.75 0 0 1 8 4z'/%3E%3C/svg%3E");
  transition:transform .3s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq-q{
  font-family:var(--font-display);
  color:var(--brand-cyan);
  font-weight:700;
  margin-right:10px;
  font-size:18px;
}
.accordion-body{
  padding:0 24px 24px;
  color:var(--text-secondary);
  font-size:15px;
  line-height:1.7;
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:14px;
  margin-top:0;
}
/* ===== Footer ===== */
.site-footer{
  background:var(--bg-deep);
  padding:80px 0 0;
  border-top:1px solid rgba(255,255,255,.05);
}
.footer-brand{font-size:22px;font-weight:700;color:var(--text-light);margin-bottom:12px;display:inline-flex;align-items:center;gap:10px}
.footer-desc{color:var(--text-secondary);font-size:14px;line-height:1.6;margin-bottom:24px}
.footer-title{font-size:15px;font-weight:600;color:var(--text-light);margin-bottom:20px;letter-spacing:1px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-secondary);font-size:14px;transition:color .3s ease}
.footer-links a:hover{color:var(--brand-cyan)}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:12px;
  color:var(--text-secondary);
  font-size:14px;
}
.footer-contact span{display:flex;align-items:center;gap:10px}
.footer-contact i{color:var(--brand-cyan);width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  margin-top:48px;
  padding:20px 0;
  text-align:center;
  font-size:13px;
  color:var(--text-dim);
}
.footer-bottom a{color:var(--text-dim);transition:color .3s ease}
.footer-bottom a:hover{color:var(--brand-cyan)}
/* ===== Responsive ===== */
@media (max-width:1199px){
  .pricing-card{max-width:300px}
}
@media (max-width:991px){
  .navbar{min-height:58px}
  .navbar-collapse{
    position:fixed;
    top:58px;left:0;right:0;
    background:rgba(7,16,31,.96);
    backdrop-filter:blur(20px);
    border-bottom:1px solid var(--glass-border);
    padding:24px;
    z-index:1030;
  }
  .navbar-nav{gap:2px}
  .nav-link{font-size:16px;padding:10px 14px}
  .nav-actions{margin-top:16px;justify-content:space-between}
  .hero{min-height:85vh}
  .timeline::before{left:8px}
  .timeline-item{
    width:100%;
    margin-left:0 !important;
    margin-right:0 !important;
    text-align:left !important;
    padding-left:36px;
  }
  .timeline-dot,.timeline-item:nth-child(even) .timeline-dot{left:2px;right:auto}
  .pricing-card.featured{transform:none}
  .pricing-card.featured:hover{transform:translateY(-4px)}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .section-title{font-size:24px;margin-bottom:10px}
  .hero{padding:100px 0 64px}
  .hero-actions .btn{width:100%}
  .hero-actions{flex-direction:column}
  .stats-section{margin-top:-40px}
  .stat-number{font-size:36px}
  .timeline-card{padding:20px}
  .register-form{padding:24px 20px}
  .register-wrap h2{font-size:28px}
  .footer-bottom{font-size:12px}
  .nav-actions .btn{width:100%}
}

/* roulang page: article */
:root{
    --bg-primary:#07101F;
    --bg-secondary:#0D1830;
    --bg-footer:#050A14;
    --brand-blue:#1E6FFF;
    --brand-cyan:#14E0C8;
    --accent-pink:#FF4D6D;
    --text-primary:#EDF2FF;
    --text-secondary:#8A9BBC;
    --text-muted:#566181;
    --border-glass:rgba(255,255,255,0.08);
    --radius-lg:16px;
    --radius-md:12px;
    --shadow-card:0 4px 16px rgba(0,0,0,0.2);
    --shadow-hover:0 12px 32px rgba(0,0,0,0.35);
    --font-cn:"PingFang SC","Microsoft YaHei UI","Noto Sans SC","Source Han Sans SC",sans-serif;
    --font-num:"DIN Alternate","Barlow Condensed","Rajdhani",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-cn);
    background:var(--bg-primary);
    color:var(--text-secondary);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
a{text-decoration:none;color:inherit;transition:color .25s ease}
img{max-width:100%;display:block}
button:focus, a:focus, input:focus, select:focus, textarea:focus{
    outline:2px solid rgba(20,224,200,0.5);
    outline-offset:2px;
}
.container{max-width:1200px;padding-left:20px;padding-right:20px}

/* 导航 */
.site-header{
    position:absolute;
    top:0;left:0;right:0;
    z-index:1050;
    background:rgba(10,18,36,0.4);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(255,255,255,0.06);
    transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
    position:fixed;
    background:rgba(7,16,31,0.92);
    box-shadow:0 8px 32px rgba(0,0,0,0.35);
}
.navbar{
    padding:12px 0;
    min-height:70px;
}
.navbar-brand{
    display:flex;
    align-items:center;
    gap:10px;
    color:var(--text-primary) !important;
    font-weight:700;
    font-size:20px;
    letter-spacing:1px;
}
.navbar-brand:hover{color:var(--brand-cyan) !important}
.brand-wave{
    flex-shrink:0;
    filter:drop-shadow(0 0 8px rgba(20,224,200,0.3));
}
.brand-name{white-space:nowrap}
.navbar-nav{gap:4px}
.navbar-nav .nav-link{
    color:var(--text-secondary);
    font-size:14px;
    font-weight:500;
    padding:8px 16px !important;
    position:relative;
    border-radius:8px;
    transition:color .25s ease;
}
.navbar-nav .nav-link::after{
    content:"";
    position:absolute;
    left:16px;right:16px;bottom:2px;
    height:3px;
    border-radius:3px;
    background:var(--brand-cyan);
    box-shadow:0 0 10px rgba(20,224,200,0.6);
    opacity:0;
    transform:scaleX(0.6);
    transition:opacity .25s ease,transform .25s ease;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active{
    color:var(--brand-cyan);
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after{
    opacity:1;
    transform:scaleX(1);
}
.nav-actions{
    display:flex;
    align-items:center;
    gap:14px;
}
.nav-search{
    width:38px;height:38px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    color:var(--text-secondary);
    font-size:15px;
    border:1px solid transparent;
    transition:all .3s ease;
}
.nav-search:hover{
    color:var(--brand-cyan);
    border-color:rgba(20,224,200,0.4);
    box-shadow:0 0 14px rgba(20,224,200,0.15);
}
.btn-brand{
    background:linear-gradient(135deg,var(--brand-blue),#0B4FD0);
    color:#fff;
    border:none;
    font-weight:600;
    font-size:14px;
    padding:10px 22px;
    border-radius:100px;
    box-shadow:0 0 24px rgba(30,111,255,0.45);
    transition:transform .25s ease,box-shadow .25s ease;
}
.btn-brand:hover{
    transform:translateY(-2px);
    color:#fff;
    box-shadow:0 0 32px rgba(30,111,255,0.65);
}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
    background:rgba(255,255,255,0.04);
    color:var(--text-primary);
    border:1px solid rgba(255,255,255,0.2);
    font-weight:500;
    font-size:14px;
    padding:10px 22px;
    border-radius:100px;
    transition:all .25s ease;
}
.btn-ghost:hover{
    border-color:var(--brand-cyan);
    color:var(--brand-cyan);
    background:rgba(20,224,200,0.08);
    box-shadow:0 0 20px rgba(20,224,200,0.12);
    transform:translateY(-2px);
}
.navbar-toggler{
    border:none;
    background:transparent;
    padding:6px;
}
.navbar-toggler:focus{
    box-shadow:none;
    outline:2px solid rgba(20,224,200,0.4);
}
.navbar-toggler-icon{
    background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23EDF2FF' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media(max-width:991px){
    .navbar-collapse{
        background:rgba(7,16,31,0.95);
        backdrop-filter:blur(20px);
        border:1px solid var(--border-glass);
        border-radius:var(--radius-lg);
        padding:20px;
        margin-top:12px;
    }
    .navbar-nav{gap:2px}
    .nav-actions{margin-top:14px;justify-content:flex-start}
}

/* 文章页横幅 */
.article-banner{
    position:relative;
    padding:170px 0 70px;
    background:
        linear-gradient(135deg,rgba(7,16,31,0.88),rgba(13,24,48,0.72)),
        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    border-bottom:1px solid rgba(255,255,255,0.04);
}
.article-banner::before{
    content:"";
    position:absolute;
    left:0;top:0;bottom:0;
    width:120px;
    background:linear-gradient(90deg,rgba(20,224,200,0.12),transparent);
    pointer-events:none;
}
.cms-breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    font-size:14px;
    color:var(--text-muted);
    margin-bottom:24px;
}
.cms-breadcrumb a{
    color:var(--text-secondary);
    transition:color .25s ease;
}
.cms-breadcrumb a:hover{color:var(--brand-cyan)}
.bc-sep{color:var(--text-muted);font-size:12px}
.bc-cat{
    color:var(--brand-cyan);
    font-weight:500;
}
.bc-title{
    color:var(--text-secondary);
    max-width:360px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
}
.article-banner h1{
    font-size:clamp(30px,4.5vw,44px);
    font-weight:700;
    color:var(--text-primary);
    letter-spacing:1px;
    line-height:1.3;
    margin-bottom:20px;
    max-width:820px;
    text-shadow:0 4px 24px rgba(0,0,0,0.3);
}
.article-meta{
    display:flex;
    flex-wrap:wrap;
    gap:20px;
    align-items:center;
}
.meta-item{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:var(--text-secondary);
    background:rgba(255,255,255,0.04);
    border:1px solid rgba(255,255,255,0.07);
    padding:6px 14px;
    border-radius:100px;
}
.meta-item i{color:var(--brand-cyan);font-size:13px}

/* 正文区域 */
.article-section{
    padding:60px 0 80px;
    position:relative;
}
.article-shell{
    background:rgba(255,255,255,0.03);
    border:1px solid var(--border-glass);
    border-radius:var(--radius-lg);
    padding:clamp(24px,4vw,48px);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    box-shadow:var(--shadow-card);
}
.article-cover{
    border-radius:var(--radius-lg);
    overflow:hidden;
    aspect-ratio:16/9;
    margin-bottom:36px;
    border:1px solid rgba(255,255,255,0.06);
}
.article-cover img{
    width:100%;
    height:100%;
    object-fit:cover;
}
.article-body{
    color:var(--text-secondary);
    font-size:16px;
    line-height:1.85;
}
.article-body h2{
    font-size:24px;
    font-weight:700;
    color:var(--text-primary);
    margin:36px 0 16px;
    padding-left:14px;
    border-left:3px solid var(--brand-cyan);
}
.article-body h3{
    font-size:20px;
    font-weight:600;
    color:var(--text-primary);
    margin:28px 0 12px;
}
.article-body p{
    margin-bottom:20px;
}
.article-body img{
    width:100%;
    border-radius:var(--radius-md);
    margin:24px 0;
}
.article-body blockquote{
    border-left:4px solid var(--brand-cyan);
    background:rgba(20,224,200,0.07);
    padding:16px 22px;
    border-radius:0 var(--radius-md) var(--radius-md) 0;
    margin:24px 0;
    color:var(--text-primary);
    font-style:normal;
}
.article-body blockquote p{margin-bottom:0}
.article-body ul,.article-body ol{
    padding-left:1.4rem;
    margin-bottom:20px;
}
.article-body li{margin-bottom:8px}
.article-body table{
    width:100%;
    border-collapse:collapse;
    margin:24px 0;
    background:rgba(255,255,255,0.03);
    border-radius:var(--radius-md);
    overflow:hidden;
}
.article-body th,.article-body td{
    padding:12px 16px;
    border:1px solid rgba(255,255,255,0.09);
}
.article-body th{
    background:rgba(30,111,255,0.14);
    color:var(--text-primary);
    font-weight:600;
}
.article-body code{
    background:rgba(255,255,255,0.08);
    padding:3px 8px;
    border-radius:6px;
    font-size:0.9em;
    color:var(--brand-cyan);
}
.article-body pre{
    background:var(--bg-secondary);
    border:1px solid rgba(255,255,255,0.1);
    padding:20px;
    border-radius:var(--radius-md);
    overflow-x:auto;
    margin:24px 0;
}
.article-body pre code{
    background:none;
    padding:0;
    color:var(--text-primary);
}
.article-body a{
    color:var(--brand-cyan);
    text-decoration:underline;
    text-underline-offset:4px;
    transition:color .25s ease;
}
.article-body a:hover{color:#5ff0dc}

/* 文章未找到 */
.article-not-found{
    text-align:center;
    padding:60px 20px;
    background:rgba(255,255,255,0.03);
    border:1px dashed rgba(255,255,255,0.15);
    border-radius:var(--radius-lg);
}
.article-not-found h3{
    font-size:24px;
    color:var(--text-primary);
    margin-bottom:14px;
}
.article-not-found p{
    color:var(--text-secondary);
    margin-bottom:24px;
}

/* 标签与分享 */
.article-tags{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:36px;
    padding-top:28px;
    border-top:1px solid rgba(255,255,255,0.07);
}
.tag-item{
    display:inline-block;
    background:rgba(20,224,200,0.07);
    border:1px solid rgba(20,224,200,0.3);
    color:var(--brand-cyan);
    font-size:13px;
    font-weight:500;
    padding:6px 16px;
    border-radius:100px;
    transition:all .25s ease;
}
.tag-item:hover{
    background:rgba(20,224,200,0.14);
    border-color:var(--brand-cyan);
    box-shadow:0 0 14px rgba(20,224,200,0.12);
}
.article-share{
    display:flex;
    align-items:center;
    gap:12px;
    margin-top:24px;
}
.share-label{
    font-size:14px;
    color:var(--text-secondary);
    margin-right:4px;
}
.share-icon{
    width:40px;height:40px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    background:rgba(255,255,255,0.04);
    border:1px solid var(--border-glass);
    color:var(--text-secondary);
    font-size:15px;
    transition:all .25s ease;
}
.share-icon:hover{
    color:var(--brand-cyan);
    border-color:rgba(20,224,200,0.4);
    box-shadow:0 0 16px rgba(20,224,200,0.15);
    transform:translateY(-2px);
}

/* 相关推荐 */
.related-section{
    padding:70px 0 60px;
    background:linear-gradient(180deg,var(--bg-primary) 0%,rgba(13,24,48,0.4) 100%);
}
.section-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-bottom:32px;
}
.section-head h2{
    font-size:28px;
    font-weight:600;
    color:var(--text-primary);
    letter-spacing:1px;
    margin:0;
}
.section-head h2::after{
    content:"";
    display:block;
    width:42px;height:3px;
    background:var(--brand-cyan);
    border-radius:3px;
    margin-top:8px;
    box-shadow:0 0 12px rgba(20,224,200,0.4);
}
.more-link{
    color:var(--text-secondary);
    font-size:14px;
    font-weight:500;
    display:inline-flex;
    align-items:center;
    gap:8px;
    transition:color .25s ease;
}
.more-link:hover{
    color:var(--brand-cyan);
}
.related-card{
    background:rgba(255,255,255,0.04);
    border:1px solid var(--border-glass);
    border-radius:var(--radius-lg);
    overflow:hidden;
    height:100%;
    transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.related-card:hover{
    transform:translateY(-5px);
    border-color:rgba(20,224,200,0.35);
    box-shadow:var(--shadow-hover);
}
.related-card .card-cover{
    aspect-ratio:16/9;
    overflow:hidden;
    position:relative;
}
.related-card .card-cover img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .45s ease;
}
.related-card:hover .card-cover img{
    transform:scale(1.04);
}
.related-card .card-cover::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:0;
    height:40%;
    background:linear-gradient(transparent,rgba(7,16,31,0.5));
    pointer-events:none;
}
.related-card .card-cat{
    position:absolute;
    top:14px;left:14px;
    z-index:2;
    background:rgba(20,224,200,0.9);
    color:#07101F;
    font-size:12px;
    font-weight:600;
    padding:4px 12px;
    border-radius:100px;
}
.related-card .card-body{
    padding:20px;
}
.related-card h3{
    font-size:17px;
    font-weight:600;
    color:var(--text-primary);
    line-height:1.5;
    margin-bottom:10px;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    min-height:24px;
}
.related-card h3 a{
    transition:color .25s ease;
}
.related-card h3 a:hover{
    color:var(--brand-cyan);
}
.related-card .card-summary{
    font-size:14px;
    color:var(--text-secondary);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    margin-bottom:14px;
}
.related-card .card-meta{
    display:flex;
    justify-content:space-between;
    align-items:center;
    font-size:13px;
    color:var(--text-muted);
}
.related-card .card-meta .read-link{
    color:var(--brand-cyan);
    font-weight:500;
    display:inline-flex;
    align-items:center;
    gap:6px;
    transition:gap .25s ease;
}
.related-card:hover .read-link{
    gap:10px;
}

/* 返回列表 */
.back-cta{
    padding:10px 0 80px;
}
.back-list-btn{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--text-secondary);
    font-size:15px;
    font-weight:500;
    padding:12px 24px;
    background:rgba(255,255,255,0.03);
    border:1px solid var(--border-glass);
    border-radius:100px;
    transition:all .25s ease;
}
.back-list-btn:hover{
    color:var(--brand-cyan);
    border-color:rgba(20,224,200,0.4);
    background:rgba(20,224,200,0.06);
    transform:translateX(-4px);
    box-shadow:0 0 18px rgba(20,224,200,0.1);
}

/* 页脚 */
.site-footer{
    background:var(--bg-footer);
    padding:70px 0 0;
    border-top:1px solid rgba(255,255,255,0.04);
}
.site-footer .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    color:var(--text-primary);
    font-size:22px;
    font-weight:700;
    margin-bottom:16px;
}
.site-footer .footer-brand:hover{color:var(--brand-cyan)}
.footer-desc{
    font-size:14px;
    color:var(--text-secondary);
    line-height:1.8;
    margin-bottom:16px;
    max-width:340px;
}
.footer-title{
    font-size:15px;
    font-weight:600;
    color:var(--text-primary);
    margin-bottom:18px;
    letter-spacing:1px;
}
.footer-title::after{
    content:"";
    display:block;
    width:24px;height:2px;
    background:var(--brand-cyan);
    margin-top:8px;
    border-radius:2px;
}
.footer-links{
    list-style:none;
    padding:0;
    margin:0;
}
.footer-links li{
    margin-bottom:10px;
}
.footer-links a{
    color:var(--text-secondary);
    font-size:14px;
    transition:all .25s ease;
    display:inline-block;
}
.footer-links a:hover{
    color:var(--brand-cyan);
    padding-left:5px;
}
.footer-contact{
    display:flex;
    flex-direction:column;
    gap:14px;
    font-size:14px;
    color:var(--text-secondary);
}
.footer-contact span{
    display:flex;
    align-items:center;
    gap:10px;
}
.footer-contact i{
    color:var(--brand-cyan);
    width:16px;
    text-align:center;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,0.05);
    padding:22px 0;
    margin-top:50px;
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    align-items:center;
    gap:18px;
    font-size:13px;
    color:var(--text-muted);
}
.footer-bottom a{
    color:var(--text-muted);
    transition:color .25s ease;
}
.footer-bottom a:hover{
    color:var(--brand-cyan);
}

/* 响应式 */
@media(max-width:991px){
    .navbar{min-height:58px;}
    .article-banner{padding:150px 0 50px;}
    .article-banner h1{font-size:32px;}
    .article-section{padding:44px 0 60px;}
    .related-section{padding:56px 0 44px;}
    .section-head h2{font-size:24px;}
    .site-footer{padding-top:50px;}
}
@media(max-width:767px){
    .article-banner{padding:130px 0 40px;}
    .article-banner h1{font-size:26px;}
    .article-meta{gap:10px;}
    .meta-item{font-size:13px;padding:5px 12px;}
    .article-shell{padding:18px;}
    .article-body{font-size:15px;}
    .article-body h2{font-size:21px;}
    .article-body h3{font-size:18px;}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
    .related-section{padding:44px 0 36px;}
    .back-cta{padding:6px 0 60px;}
    .footer-bottom{flex-direction:column;gap:8px;text-align:center;}
}
@media(max-width:520px){
    .container{padding-left:16px;padding-right:16px;}
    .navbar-brand{font-size:17px;}
    .article-shell{padding:14px;}
    .bc-title{max-width:160px;}
    .article-share{flex-wrap:wrap;}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
    --bg-primary: #07101F;
    --bg-secondary: #0D1830;
    --bg-deeper: #050A14;
    --brand-blue: #1E6FFF;
    --brand-cyan: #14E0C8;
    --accent-coral: #FF4D6D;
    --text-primary: #EDF2FF;
    --text-secondary: #8A9BBC;
    --text-muted: #566181;
    --glass-bg: rgba(255,255,255,0.05);
    --glass-border: rgba(255,255,255,0.08);
    --glass-highlight: rgba(255,255,255,0.12);
    --radius-sm: 12px;
    --radius-lg: 16px;
    --shadow-card: 0 4px 16px rgba(0,0,0,0.2);
    --shadow-hover: 0 12px 32px rgba(0,0,0,0.35);
    --shadow-cta: 0 8px 32px rgba(0,0,0,0.3);
    --transition-fast: all 0.2s ease;
    --transition-base: all 0.3s ease;
    --font-sans: "PingFang SC", "Microsoft YaHei UI", "Noto Sans SC", "Source Han Sans SC", sans-serif;
    --font-number: "DIN Alternate", "Barlow Condensed", "Rajdhani", sans-serif;
}

/* ========== Reset / 基础 ========== */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    background-image:
        radial-gradient(circle at 15% 20%, rgba(30,111,255,0.08) 0%, transparent 35%),
        radial-gradient(circle at 85% 70%, rgba(20,224,200,0.05) 0%, transparent 28%);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: var(--brand-cyan);
    text-decoration: none;
    transition: var(--transition-fast);
}
a:hover { color: #54f0da; }

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

button:focus, a:focus, input:focus, select:focus, .accordion-button:focus {
    outline: 2px solid rgba(20,224,200,0.6) !important;
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(20,224,200,0.15) !important;
}

::selection { background: rgba(30,111,255,0.35); color: #fff; }

/* ========== 排版 ========== */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-top: 0;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.section-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 40px;
    letter-spacing: 0.3px;
}
.text-cyan { color: var(--brand-cyan) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-number { font-family: var(--font-number); font-variant-numeric: tabular-nums; }

/* ========== 容器 / 区块间距 ========== */
.container { max-width: 1200px; }
.section { padding: 80px 0; position: relative; }

.section-label {
    display: inline-block;
    color: var(--brand-cyan);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
    padding: 4px 14px;
    border: 1px solid rgba(20,224,200,0.25);
    border-radius: 100px;
    background: rgba(20,224,200,0.06);
}

/* ========== 顶部导航 ========== */
.site-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10,18,36,0.4);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition-base);
}
.site-header.scrolled {
    position: fixed;
    background: rgba(7,16,31,0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.site-header .navbar { padding: 12px 0; min-height: 70px; transition: var(--transition-base); }
.site-header.scrolled .navbar { padding: 8px 0; min-height: 62px; }

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary) !important;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 0;
}
.navbar-brand .brand-wave { flex-shrink: 0; filter: drop-shadow(0 0 6px rgba(20,224,200,0.35)); }
.navbar-brand .brand-name { position: relative; }
.navbar-brand .brand-name::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 26px;
    height: 3px;
    border-radius: 3px;
    background: var(--brand-cyan);
    box-shadow: 0 0 10px rgba(20,224,200,0.6);
}

.navbar-nav { gap: 6px; }
.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px !important;
    border-radius: 8px;
    position: relative;
    transition: var(--transition-base);
}
.navbar-nav .nav-link::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: var(--brand-cyan);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    box-shadow: 0 0 8px rgba(20,224,200,0.5);
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--text-primary) !important;
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    transform: scaleX(1);
}

.nav-actions { display: flex; align-items: center; gap: 14px; margin-left: 12px; }
.nav-search {
    color: var(--text-secondary);
    font-size: 15px;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    transition: var(--transition-base);
    background: transparent;
}
.nav-search:hover { color: var(--brand-cyan); border-color: rgba(20,224,200,0.4); box-shadow: 0 0 16px rgba(20,224,200,0.2); }

.navbar-toggler { border: 1px solid rgba(255,255,255,0.15); padding: 6px 10px; border-radius: 8px; }
.navbar-toggler:focus { box-shadow: 0 0 0 2px rgba(20,224,200,0.4) !important; }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23EDF2FF' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991.98px) {
    .site-header .navbar { min-height: 58px; }
    .navbar-collapse {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 300px;
        max-width: 85vw;
        padding: 100px 30px 40px;
        background: rgba(7,16,31,0.95);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-left: 1px solid rgba(255,255,255,0.08);
        box-shadow: -20px 0 60px rgba(0,0,0,0.5);
        transition: transform 0.35s ease;
        z-index: 1050;
        flex-direction: column;
        overflow-y: auto;
    }
    .navbar-collapse.collapsing, .navbar-collapse.show { display: block; }
    .navbar-nav { flex-direction: column; gap: 12px; margin-bottom: 30px; }
    .navbar-nav .nav-link { font-size: 18px; padding: 12px 8px !important; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .navbar-nav .nav-link::after { display: none; }
    .nav-actions { margin-left: 0; margin-top: 20px; }
}

/* ========== 按钮 ========== */
.btn {
    border-radius: 100px;
    font-weight: 600;
    font-size: 14px;
    padding: 10px 26px;
    letter-spacing: 0.5px;
    transition: var(--transition-base);
    position: relative;
}
.btn-brand {
    background: var(--brand-blue);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 0 24px rgba(30,111,255,0.45);
}
.btn-brand:hover {
    background: #2e7bff;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 0 32px rgba(30,111,255,0.6);
}
.btn-brand:active { transform: translateY(0); box-shadow: 0 0 24px rgba(30,111,255,0.45); }

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.btn-ghost:hover {
    color: var(--brand-cyan);
    border-color: var(--brand-cyan);
    box-shadow: 0 0 20px rgba(20,224,200,0.2);
    transform: translateY(-2px);
}
.btn-ghost:active { transform: translateY(0); }

.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-lg { padding: 14px 40px; font-size: 15px; }

/* ========== Hero 分类页 ========== */
.hero-category {
    position: relative;
    padding: 190px 0 110px;
    min-height: 640px;
    display: flex;
    align-items: center;
    background:
        linear-gradient(135deg, rgba(7,16,31,0.55) 0%, rgba(7,16,31,0.85) 60%, rgba(13,24,48,0.95) 100%),
        url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    overflow: hidden;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.hero-visual {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}
.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 500px;
    background: radial-gradient(ellipse, rgba(30,111,255,0.18) 0%, transparent 70%);
    z-index: 0;
}
.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
}
.eq-bars {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 170px;
    display: flex;
    align-items: flex-end;
    gap: 5px;
    padding: 0 4%;
    z-index: 0;
    opacity: 0.35;
}
.eq-bars span {
    flex: 1;
    max-width: 18px;
    border-radius: 4px 4px 0 0;
    background: linear-gradient(to top, rgba(30,111,255,0.6), rgba(20,224,200,0.8));
    height: 20%;
    animation: eqPulse 2.4s ease-in-out infinite;
    transform-origin: bottom;
}
.eq-bars span:nth-child(1)  { animation-delay: 0s;   height: 28%; }
.eq-bars span:nth-child(2)  { animation-delay: 0.1s; height: 45%; }
.eq-bars span:nth-child(3)  { animation-delay: 0.2s; height: 35%; }
.eq-bars span:nth-child(4)  { animation-delay: 0.3s; height: 68%; }
.eq-bars span:nth-child(5)  { animation-delay: 0.4s; height: 52%; }
.eq-bars span:nth-child(6)  { animation-delay: 0.5s; height: 78%; }
.eq-bars span:nth-child(7)  { animation-delay: 0.6s; height: 42%; }
.eq-bars span:nth-child(8)  { animation-delay: 0.7s; height: 65%; }
.eq-bars span:nth-child(9)  { animation-delay: 0.8s; height: 88%; }
.eq-bars span:nth-child(10) { animation-delay: 0.9s; height: 56%; }
.eq-bars span:nth-child(11) { animation-delay: 1.0s; height: 72%; }
.eq-bars span:nth-child(12) { animation-delay: 1.1s; height: 40%; }
.eq-bars span:nth-child(13) { animation-delay: 1.2s; height: 62%; }
.eq-bars span:nth-child(14) { animation-delay: 1.3s; height: 82%; }
.eq-bars span:nth-child(15) { animation-delay: 1.4s; height: 48%; }
.eq-bars span:nth-child(16) { animation-delay: 1.5s; height: 30%; }

@keyframes eqPulse {
    0%, 100% { transform: scaleY(0.65); opacity: 0.75; }
    50% { transform: scaleY(1.08); opacity: 1; }
}

.hero-category .container { position: relative; z-index: 2; }
.hero-content { max-width: 800px; }
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    border-radius: 100px;
    background: rgba(20,224,200,0.08);
    border: 1px solid rgba(20,224,200,0.25);
    color: var(--brand-cyan);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 22px;
}
.hero-eyebrow i { font-size: 12px; }

.hero-content h1 {
    font-size: clamp(36px, 5vw, 54px);
    font-weight: 700;
    letter-spacing: 2px;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 2px 24px rgba(7,16,31,0.6), 0 0 60px rgba(30,111,255,0.15);
}
.hero-content h1 .text-cyan {
    color: var(--brand-cyan);
    margin: 0 8px;
    font-weight: 400;
}
.hero-desc {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 620px;
    margin-bottom: 34px;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 16px; }

.hero-tags {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.hero-tags .tag-chip {
    font-size: 12px;
    color: var(--text-secondary);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 4px 14px;
    border-radius: 100px;
    background: rgba(255,255,255,0.03);
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.hero-tags .tag-chip i { color: var(--brand-cyan); font-size: 10px; }
.hero-tags .tag-chip:hover { border-color: rgba(20,224,200,0.4); color: var(--text-primary); }

@media (max-width: 767.98px) {
    .hero-category { min-height: 80vh; padding: 150px 0 70px; }
    .hero-content h1 { font-size: 34px; }
    .hero-desc { font-size: 14px; }
}

/* ========== 左图右文 分类介绍 ========== */
.about-info { padding: 80px 0 40px; }
.about-media {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--glass-border);
    height: 100%;
    min-height: 360px;
    background: var(--bg-secondary);
}
.about-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}
.about-media:hover img { transform: scale(1.02); }
.about-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7,16,31,0.1) 0%, rgba(7,16,31,0.4) 100%);
    pointer-events: none;
}
.about-media .media-badge {
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 2;
    padding: 5px 16px;
    border-radius: 100px;
    background: rgba(7,16,31,0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(20,224,200,0.3);
    color: var(--brand-cyan);
    font-size: 12px;
    font-weight: 500;
}

.about-content { padding: 20px 0 20px 30px; }
.about-content .section-label { margin-bottom: 14px; }
.about-content h2 { font-size: 30px; margin-bottom: 18px; line-height: 1.35; }
.about-content p.lead {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.9;
    margin-bottom: 22px;
}
.about-list { list-style: none; padding: 0; margin: 0 0 30px; }
.about-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 11px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 15px;
    color: var(--text-primary);
}
.about-list li:last-child { border-bottom: none; }
.about-list .li-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(20,224,200,0.12);
    border: 1px solid rgba(20,224,200,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-cyan);
    font-size: 10px;
    flex-shrink: 0;
    margin-top: 4px;
}

@media (max-width: 991.98px) {
    .about-content { padding: 30px 0 0; }
    .about-media { min-height: 300px; }
}

/* ========== 特色卡片 ========== */
.feature-section { padding: 60px 0 70px; background: var(--bg-secondary); position: relative; overflow: hidden; }
.feature-section::before {
    content: "";
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30,111,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 32px 24px 28px;
    height: 100%;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: var(--transition-base);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--brand-cyan), transparent);
    opacity: 0;
    transition: var(--transition-base);
}
.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(20,224,200,0.25);
    box-shadow: var(--shadow-hover);
}
.feature-card:hover::before { opacity: 0.6; }

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--brand-cyan);
    background: linear-gradient(135deg, rgba(20,224,200,0.15), rgba(30,111,255,0.1));
    border: 1px solid rgba(20,224,200,0.2);
    margin-bottom: 20px;
    box-shadow: 0 0 20px rgba(20,224,200,0.08);
}
.feature-card h3 { font-size: 18px; margin-bottom: 10px; }
.feature-card p { color: var(--text-secondary); font-size: 14px; margin-bottom: 0; line-height: 1.7; }

/* ========== 活动类型标签 ========== */
.type-section { padding: 80px 0 30px; }
.type-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 24px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.type-pill {
    padding: 8px 22px;
    border-radius: 100px;
    border: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.03);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition-base);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.type-pill i { font-size: 11px; color: var(--brand-cyan); }
.type-pill:hover, .type-pill.active {
    background: rgba(20,224,200,0.1);
    border-color: rgba(20,224,200,0.35);
    color: var(--text-primary);
    box-shadow: 0 0 16px rgba(20,224,200,0.1);
}

/* ========== 精选活动卡片 ========== */
.featured-events { padding: 50px 0 80px; }
.event-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow-card);
}
.event-card:hover {
    transform: translateY(-6px);
    border-color: rgba(20,224,200,0.25);
    box-shadow: var(--shadow-hover);
}
.event-card .card-media {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--bg-secondary);
}
.event-card .card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.event-card:hover .card-media img { transform: scale(1.03); }
.event-card .card-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    padding: 4px 13px;
    border-radius: 100px;
    background: rgba(7,16,31,0.65);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(20,224,200,0.3);
    color: var(--brand-cyan);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
}
.event-card .card-body { padding: 20px 20px 16px; display: flex; flex-direction: column; flex: 1; }
.event-card .card-title { font-size: 17px; margin-bottom: 8px; line-height: 1.5; font-weight: 600; }
.event-card .card-text {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.event-card .card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-muted);
    font-size: 12px;
}
.event-card .card-meta i { color: var(--brand-cyan); font-size: 11px; margin-right: 5px; }
.event-card .card-meta .read-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition-fast);
}
.event-card .card-meta .read-link:hover { color: var(--brand-cyan); gap: 10px; }
.event-card .card-meta .read-link i { font-size: 11px; }

/* ========== 流程步骤 ========== */
.flow-section { padding: 80px 0; background: var(--bg-secondary); position: relative; overflow: hidden; }
.flow-section::before {
    content: "";
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(20,224,200,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.flow-wrap { position: relative; z-index: 2; }
.flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px; }
.flow-item {
    text-align: center;
    padding: 32px 20px 28px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition-base);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.flow-item:hover { transform: translateY(-4px); border-color: rgba(20,224,200,0.3); box-shadow: var(--shadow-hover); }
.flow-step {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(30,111,255,0.8), rgba(20,224,200,0.5));
    color: #fff;
    font-family: var(--font-number);
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    box-shadow: 0 0 24px rgba(20,224,200,0.35);
}
.flow-item h3 { font-size: 17px; margin-bottom: 8px; }
.flow-item p { color: var(--text-secondary); font-size: 13px; margin-bottom: 0; }
.flow-arrow {
    position: absolute;
    top: 50%;
    right: -16px;
    color: var(--brand-cyan);
    font-size: 14px;
    z-index: 3;
    opacity: 0.5;
    transform: translateY(-50%);
}
@media (max-width: 991.98px) {
    .flow-steps { grid-template-columns: repeat(2, 1fr); }
    .flow-arrow { display: none; }
}
@media (max-width: 575.98px) {
    .flow-steps { grid-template-columns: 1fr; }
}

/* ========== 数据统计 ========== */
.stats-section { padding: 60px 0; position: relative; background: linear-gradient(135deg, rgba(30,111,255,0.06) 0%, rgba(20,224,200,0.03) 100%); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 30px 20px;
    text-align: center;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: var(--transition-base);
}
.stat-card:hover { border-color: rgba(20,224,200,0.2); box-shadow: var(--shadow-card); }
.stat-number {
    font-family: var(--font-number);
    font-size: 46px;
    font-weight: 700;
    color: var(--brand-cyan);
    line-height: 1;
    margin-bottom: 8px;
    text-shadow: 0 0 30px rgba(20,224,200,0.2);
}
.stat-label { color: var(--text-secondary); font-size: 13px; letter-spacing: 0.5px; }
@media (max-width: 767.98px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ========== FAQ ========== */
.faq-section { padding: 80px 0; }
.faq-wrap { max-width: 840px; margin: 0 auto; }
.accordion {
    --bs-accordion-bg: transparent;
    --bs-accordion-border-width: 0;
    --bs-accordion-btn-bg: transparent;
    --bs-accordion-active-bg: transparent;
    --bs-accordion-btn-color: var(--text-primary);
    --bs-accordion-active-color: var(--brand-cyan);
    --bs-accordion-body-padding-x: 22px;
    --bs-accordion-body-padding-y: 18px;
}

.accordion-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-sm) !important;
    margin-bottom: 14px;
    overflow: hidden;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: var(--transition-base);
    box-shadow: var(--shadow-card);
}
.accordion-item:hover { border-color: rgba(20,224,200,0.2) !important; }
.accordion-button {
    font-size: 15px;
    font-weight: 600;
    padding: 20px 22px;
    gap: 12px;
    color: var(--text-primary) !important;
    background: transparent !important;
    border-radius: var(--radius-sm);
    letter-spacing: 0.3px;
}
.accordion-button::before {
    content: "Q";
    font-family: var(--font-number);
    font-size: 18px;
    font-weight: 700;
    color: var(--brand-cyan);
    background: rgba(20,224,200,0.1);
    border: 1px solid rgba(20,224,200,0.25);
    border-radius: 8px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-right: 4px;
}
.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2314E0C8'%3e%3cpath fill-rule='evenodd' d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3e%3c/svg%3e");
    background-size: 14px;
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}
.accordion-button:not(.collapsed)::after {
    transform: rotate(45deg);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2314E0C8'%3e%3cpath fill-rule='evenodd' d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3e%3c/svg%3e");
}
.accordion-button:hover { color: var(--brand-cyan) !important; }
.accordion-body {
    padding: 0 22px 20px 68px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

/* ========== CTA 报名区 ========== */
.cta-section {
    padding: 90px 0;
    position: relative;
    background:
        linear-gradient(135deg, rgba(7,16,31,0.55) 0%, rgba(13,24,48,0.75) 100%),
        url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
    overflow: hidden;
    border-top: 1px solid rgba(255,255,255,0.04);
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.cta-section::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 900px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(30,111,255,0.35) 0%, transparent 70%);
    pointer-events: none;
}
.cta-inner {
    position: relative;
    z-index: 2;
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
}
.cta-inner h2 { font-size: 32px; margin-bottom: 14px; }
.cta-inner p { color: var(--text-secondary); font-size: 15px; margin-bottom: 30px; }

.cta-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    text-align: left;
}
.cta-form .form-control, .cta-form .form-select {
    background: rgba(7,16,31,0.6);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    padding: 12px 16px;
    height: auto;
    transition: var(--transition-base);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.cta-form .form-control::placeholder { color: var(--text-muted); }
.cta-form .form-control:focus, .cta-form .form-select:focus {
    background: rgba(7,16,31,0.8);
    border-color: var(--brand-cyan);
    box-shadow: 0 0 20px rgba(20,224,200,0.2) !important;
    color: var(--text-primary);
}
.cta-form .form-select option { background: var(--bg-secondary); color: var(--text-primary); }
.cta-form .btn { grid-column: 1 / -1; margin-top: 6px; font-size: 15px; padding: 14px 30px; }
.form-hint {
    grid-column: 1 / -1;
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 2px;
    margin-bottom: 0;
}

@media (max-width: 575.98px) {
    .cta-form { grid-template-columns: 1fr; }
    .cta-form .btn { grid-column: 1; }
}

/* ========== 页脚 ========== */
.site-footer {
    background: var(--bg-deeper);
    padding: 70px 0 0;
    border-top: 1px solid rgba(255,255,255,0.03);
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 19px;
    font-weight: 700;
    color: var(--text-primary) !important;
    margin-bottom: 14px;
    letter-spacing: 1px;
}
.footer-brand .brand-wave { filter: drop-shadow(0 0 6px rgba(20,224,200,0.3)); }
.footer-desc { color: var(--text-secondary); font-size: 13px; line-height: 1.9; max-width: 320px; }
.footer-title {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}
.footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 22px;
    height: 2px;
    background: var(--brand-cyan);
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(20,224,200,0.4);
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.footer-links a::before { content: "\f105"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 11px; color: var(--brand-cyan); opacity: 0.6; }
.footer-links a:hover { color: var(--brand-cyan); padding-left: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact span { color: var(--text-secondary); font-size: 13px; display: flex; align-items: center; gap: 10px; }
.footer-contact i { color: var(--brand-cyan); width: 16px; text-align: center; font-size: 14px; }
.footer-bottom {
    margin-top: 50px;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.04);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.footer-bottom p { color: var(--text-muted); font-size: 12px; margin: 0; }
.footer-bottom a { color: var(--text-muted); font-size: 12px; }
.footer-bottom a:hover { color: var(--brand-cyan); }

@media (max-width: 767.98px) {
    .footer-bottom { flex-direction: column; text-align: center; }
    .site-footer { padding-top: 50px; }
}

/* ========== 响应式断点 ========== */
@media (max-width: 1199.98px) {
    .container { max-width: 960px; }
}
@media (max-width: 991.98px) {
    .section { padding: 60px 0; }
    .section-title { font-size: 25px; }
}
@media (max-width: 767.98px) {
    .section { padding: 48px 0; }
    .section-title { font-size: 22px; }
    .section-subtitle { font-size: 14px; }
    .event-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stat-number { font-size: 36px; }
    .about-content { padding-left: 0; }
}
@media (max-width: 575.98px) {
    .hero-btns .btn { width: 100%; }
    .hero-tags { justify-content: center; }
    .type-filter { padding: 14px; gap: 8px; }
}

/* roulang page: category2 */
:root {
  --bg-primary: #07101F;
  --bg-secondary: #0D1830;
  --bg-deep: #050A14;
  --bg-card: rgba(255, 255, 255, 0.05);
  --border-card: rgba(255, 255, 255, 0.08);
  --brand-blue: #1E6FFF;
  --brand-cyan: #14E0C8;
  --brand-coral: #FF4D6D;
  --text-title: #EDF2FF;
  --text-body: #B6C2DC;
  --text-muted: #8A9BBC;
  --text-dim: #566181;
  --radius-sm: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-nav: 0 8px 32px rgba(0, 0, 0, 0.3);
  --glow-blue: 0 0 24px rgba(30, 111, 255, 0.45);
  --glow-cyan: 0 0 24px rgba(20, 224, 200, 0.4);
  --font-cn: "PingFang SC", "Microsoft YaHei UI", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Barlow Condensed", "Rajdhani", sans-serif;
  --transition: all 0.3s ease;
  --spacer: 80px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.7;
  background: var(--bg-primary);
  color: var(--text-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a {
  color: var(--brand-cyan);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: #fff;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button,
input,
select,
textarea {
  font-family: inherit;
}
.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding: var(--spacer) 0;
  position: relative;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-head .subtitle {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--brand-cyan);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
  border: 1px solid rgba(20, 224, 200, 0.3);
  padding: 4px 16px;
  border-radius: 100px;
  background: rgba(20, 224, 200, 0.06);
}
.section-head h2 {
  font-size: 32px;
  font-weight: 600;
  color: var(--text-title);
  letter-spacing: 1px;
  margin: 0 0 16px;
}
.section-head p {
  color: var(--text-muted);
  font-size: 16px;
  margin: 0;
}
.bg-band {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

/* ===== Header / Nav ===== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 18, 36, 0.4);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition);
}
.site-header.scrolled {
  position: fixed;
  background: rgba(7, 16, 31, 0.92);
  box-shadow: var(--shadow-nav);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}
.site-header .navbar {
  min-height: 70px;
  padding: 0;
}
.site-header .navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: 1px;
  padding: 0;
}
.site-header .navbar-brand:hover {
  color: #fff;
}
.brand-wave {
  flex-shrink: 0;
}
.brand-name {
  position: relative;
}
.brand-name::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--brand-cyan), transparent);
}
.site-header .navbar-nav {
  gap: 6px;
}
.site-header .nav-link {
  font-size: 14px;
  font-weight: 500;
  color: rgba(237, 242, 255, 0.75);
  padding: 8px 14px;
  border-radius: 100px;
  position: relative;
  transition: var(--transition);
}
.site-header .nav-link:hover {
  color: var(--brand-cyan);
}
.site-header .nav-link.active {
  color: var(--brand-cyan);
}
.site-header .nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 22px;
  height: 4px;
  border-radius: 100px;
  background: var(--brand-cyan);
  box-shadow: 0 0 12px rgba(20, 224, 200, 0.7);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text-body);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  font-size: 14px;
  transition: var(--transition);
}
.nav-search:hover {
  color: var(--brand-cyan);
  border-color: var(--brand-cyan);
  box-shadow: 0 0 18px rgba(20, 224, 200, 0.25);
}
.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 6px 10px;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(20, 224, 200, 0.3);
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media (max-width: 991.98px) {
  .site-header .navbar-collapse {
    background: rgba(7, 16, 31, 0.97);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 20px;
    margin-top: 12px;
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-nav);
  }
  .site-header .navbar-nav {
    gap: 4px;
    margin-bottom: 16px;
  }
  .site-header .nav-link {
    font-size: 16px;
    padding: 12px 16px;
    border-radius: 10px;
  }
  .site-header .nav-link.active {
    background: rgba(20, 224, 200, 0.08);
  }
  .site-header .nav-link.active::after {
    display: none;
  }
  .nav-actions {
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }
}

/* ===== Buttons ===== */
.btn {
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 14px 30px;
  border: 1px solid transparent;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn:focus {
  box-shadow: 0 0 0 3px rgba(20, 224, 200, 0.35);
  outline: none;
}
.btn:active {
  transform: translateY(0);
}
.btn-brand {
  background: var(--brand-blue);
  color: #fff;
  border-color: rgba(30, 111, 255, 0.7);
  box-shadow: var(--glow-blue);
}
.btn-brand:hover {
  background: #3184ff;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(30, 111, 255, 0.65);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-title);
  border-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  border-color: var(--brand-cyan);
  color: var(--brand-cyan);
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(20, 224, 200, 0.2);
}
.btn-cyan {
  background: var(--brand-cyan);
  color: #04262b;
  border-color: rgba(20, 224, 200, 0.7);
  box-shadow: var(--glow-cyan);
}
.btn-cyan:hover {
  background: #35e8d2;
  color: #04262b;
  transform: translateY(-2px);
}
.btn-sm {
  padding: 10px 22px;
  font-size: 14px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(7, 16, 31, 0.45) 0%, rgba(7, 16, 31, 0.75) 100%),
    url('/assets/images/backpic/back-2.png') center center / cover no-repeat,
    var(--bg-primary);
  padding: 160px 0 100px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  top: -120px;
  left: 8%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 111, 255, 0.35), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}
.hero-eq {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 140px;
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  gap: 6px;
  padding: 0 4%;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}
.hero-eq span {
  width: 10px;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, var(--brand-cyan), var(--brand-blue));
  animation: eqBreathe 2.4s ease-in-out infinite alternate;
  transform-origin: bottom;
}
.hero-eq span:nth-child(1) { height: 40%; animation-delay: 0s; }
.hero-eq span:nth-child(2) { height: 70%; animation-delay: 0.2s; }
.hero-eq span:nth-child(3) { height: 50%; animation-delay: 0.4s; }
.hero-eq span:nth-child(4) { height: 90%; animation-delay: 0.1s; }
.hero-eq span:nth-child(5) { height: 60%; animation-delay: 0.5s; }
.hero-eq span:nth-child(6) { height: 80%; animation-delay: 0.3s; }
.hero-eq span:nth-child(7) { height: 45%; animation-delay: 0.7s; }
.hero-eq span:nth-child(8) { height: 100%; animation-delay: 0.6s; }
.hero-eq span:nth-child(9) { height: 55%; animation-delay: 0.15s; }
.hero-eq span:nth-child(10) { height: 75%; animation-delay: 0.45s; }
.hero-eq span:nth-child(11) { height: 42%; animation-delay: 0.35s; }
.hero-eq span:nth-child(12) { height: 88%; animation-delay: 0.55s; }
.hero-eq span:nth-child(13) { height: 62%; animation-delay: 0.25s; }
.hero-eq span:nth-child(14) { height: 72%; animation-delay: 0.65s; }
.hero-eq span:nth-child(15) { height: 50%; animation-delay: 0.05s; }
.hero-eq span:nth-child(16) { height: 82%; animation-delay: 0.75s; }
@keyframes eqBreathe {
  0% { transform: scaleY(0.55); opacity: 0.7; }
  100% { transform: scaleY(1); opacity: 1; }
}
.hero-pulse {
  position: absolute;
  right: -80px;
  bottom: 80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(20, 224, 200, 0.25);
  animation: pulseRipple 4s ease-out infinite;
  pointer-events: none;
}
.hero-pulse::before,
.hero-pulse::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(20, 224, 200, 0.15);
}
.hero-pulse::before {
  animation: pulseRipple 4s ease-out infinite 1.2s;
}
.hero-pulse::after {
  animation: pulseRipple 4s ease-out infinite 2.4s;
}
@keyframes pulseRipple {
  0% { transform: scale(0.6); opacity: 1; }
  80% { transform: scale(1.4); opacity: 0; }
  100% { opacity: 0; }
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
}
.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(20, 224, 200, 0.08);
  border: 1px solid rgba(20, 224, 200, 0.25);
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: 2px;
  line-height: 1.2;
  margin: 0 0 20px;
  text-shadow: 0 6px 40px rgba(0, 0, 0, 0.4), 0 0 60px rgba(30, 111, 255, 0.2);
}
.hero h1 .accent {
  color: var(--brand-cyan);
}
.hero .lead {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(237, 242, 255, 0.75);
  max-width: 620px;
  margin: 0 0 36px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
@media (max-width: 767.98px) {
  .hero {
    min-height: 80vh;
    padding: 140px 0 80px;
  }
  .hero .lead {
    font-size: 15px;
  }
  .hero-actions .btn {
    width: 100%;
  }
}

/* ===== Breadcrumb ===== */
.page-crumb {
  padding: 120px 0 0;
  background: var(--bg-primary);
  position: relative;
}
.page-crumb .crumb-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.page-crumb a {
  color: var(--text-muted);
}
.page-crumb a:hover {
  color: var(--brand-cyan);
}
.page-crumb .sep {
  color: var(--text-dim);
}
.page-crumb .current {
  color: var(--text-title);
}

/* ===== Stats band ===== */
.stats-band {
  padding: 40px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.stat-card {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  backdrop-filter: blur(18px);
  transition: var(--transition);
}
.stat-card:hover {
  box-shadow: 0 0 32px rgba(20, 224, 200, 0.12);
  border-color: rgba(20, 224, 200, 0.2);
}
.stat-card .num {
  font-family: var(--font-num);
  font-size: 48px;
  font-weight: 700;
  color: var(--brand-cyan);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.stat-card .label {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
@media (max-width: 767.98px) {
  .stat-card .num {
    font-size: 38px;
  }
}

/* ===== Insight Cards (double column) ===== */
.insight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.insight-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  backdrop-filter: blur(18px);
  transition: var(--transition);
  overflow: hidden;
}
.insight-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
  opacity: 0;
  transition: var(--transition);
}
.insight-card:hover {
  border-color: rgba(20, 224, 200, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.insight-card:hover::before {
  opacity: 1;
}
.insight-card .icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--brand-cyan);
  background: rgba(20, 224, 200, 0.1);
  border: 1px solid rgba(20, 224, 200, 0.2);
  margin-bottom: 20px;
}
.insight-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-title);
  margin: 0 0 10px;
  letter-spacing: 0.5px;
}
.insight-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}
@media (max-width: 767.98px) {
  .insight-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .insight-card {
    padding: 24px 22px;
  }
}

/* ===== Featured Content (double column) ===== */
.feat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.feat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(18px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.feat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(20, 224, 200, 0.25);
}
.feat-card .thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.feat-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.feat-card:hover .thumb img {
  transform: scale(1.04);
}
.feat-card .thumb .badge-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(7, 16, 31, 0.85);
  backdrop-filter: blur(8px);
  color: var(--brand-cyan);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid rgba(20, 224, 200, 0.3);
}
.feat-card .body {
  padding: 24px 26px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.feat-card .meta {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.feat-card .meta i {
  color: var(--brand-cyan);
  font-size: 12px;
}
.feat-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-title);
  line-height: 1.45;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.feat-card .desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 0 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.feat-card .more {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-cyan);
}
.feat-card .more i {
  transition: transform 0.3s;
}
.feat-card .more:hover i {
  transform: translateX(4px);
}
@media (max-width: 767.98px) {
  .feat-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ===== Process Timeline ===== */
.process-timeline {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 0;
}
.process-timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  border-left: 1px dashed rgba(255, 255, 255, 0.15);
}
.timeline-item {
  position: relative;
  width: 50%;
  padding-right: 48px;
  text-align: right;
  margin-bottom: 40px;
}
.timeline-item:nth-child(even) {
  left: 50%;
  padding-right: 0;
  padding-left: 48px;
  text-align: left;
}
.timeline-node {
  position: absolute;
  top: 28px;
  right: -6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--brand-cyan);
  box-shadow: 0 0 0 6px rgba(20, 224, 200, 0.15), 0 0 20px rgba(20, 224, 200, 0.5);
  z-index: 1;
}
.timeline-item:nth-child(even) .timeline-node {
  right: auto;
  left: -6px;
}
.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  backdrop-filter: blur(18px);
  transition: var(--transition);
  text-align: left;
}
.timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(20, 224, 200, 0.2);
}
.timeline-card .step {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-cyan);
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.timeline-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-title);
  margin: 0 0 10px;
}
.timeline-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}
@media (max-width: 767.98px) {
  .process-timeline {
    padding-left: 24px;
  }
  .process-timeline::before {
    left: 12px;
    right: auto;
  }
  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    left: 0;
    padding-left: 36px;
    padding-right: 0;
    text-align: left;
  }
  .timeline-node,
  .timeline-item:nth-child(even) .timeline-node {
    left: 5px;
    right: auto;
  }
  .timeline-card {
    padding: 20px 18px;
  }
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  overflow: hidden;
  backdrop-filter: blur(18px);
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(20, 224, 200, 0.2);
}
.faq-item.show {
  background: rgba(20, 224, 200, 0.04);
}
.faq-q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  text-decoration: none;
}
.faq-q .q-mark {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  color: var(--brand-cyan);
  flex-shrink: 0;
}
.faq-q .q-text {
  flex: 1;
}
.faq-q .q-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-body);
  transition: var(--transition);
}
.faq-q[aria-expanded="true"] .q-icon {
  transform: rotate(45deg);
  color: var(--brand-cyan);
  border-color: var(--brand-cyan);
}
.faq-a {
  padding: 0 24px 22px 56px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 100px 0;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(30, 111, 255, 0.35), transparent 60%),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat,
    var(--bg-primary);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(7, 16, 31, 0.78);
  backdrop-filter: blur(4px);
}
.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
}
.cta-inner h2 {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 600;
  color: var(--text-title);
  letter-spacing: 1px;
  margin: 0 0 16px;
}
.cta-inner p {
  font-size: 16px;
  color: var(--text-muted);
  margin: 0 0 36px;
}
.cta-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  text-align: left;
}
.cta-form .form-control,
.cta-form .form-select {
  background: rgba(7, 16, 31, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  color: var(--text-title);
  padding: 14px 18px;
  font-size: 15px;
  min-height: 50px;
  transition: var(--transition);
}
.cta-form .form-control:focus,
.cta-form .form-select:focus {
  background: rgba(7, 16, 31, 0.85);
  border-color: var(--brand-cyan);
  box-shadow: 0 0 0 4px rgba(20, 224, 200, 0.15);
  color: #fff;
}
.cta-form .form-control::placeholder {
  color: var(--text-dim);
}
.cta-form .form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%238A9BBC' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 14px;
}
.cta-form .form-select option {
  background: var(--bg-secondary);
  color: var(--text-title);
}
.cta-form .btn {
  height: 50px;
  width: 100%;
  grid-column: 1 / -1;
}
.cta-note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
}
@media (max-width: 767.98px) {
  .cta-form {
    grid-template-columns: 1fr;
  }
  .cta-form .btn {
    grid-column: auto;
  }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 64px 0 32px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 16px;
}
.footer-brand:hover {
  color: #fff;
}
.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 320px;
  margin: 0;
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-title);
  margin: 0 0 18px;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--brand-cyan);
  border-radius: 100px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--brand-cyan);
  padding-left: 4px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
}
.footer-contact span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i {
  color: var(--brand-cyan);
  font-size: 13px;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
}
.footer-bottom a {
  color: var(--text-dim);
  font-size: 13px;
}
.footer-bottom a:hover {
  color: var(--brand-cyan);
}
@media (max-width: 767.98px) {
  .site-footer {
    padding: 48px 0 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== Focus visibility & misc ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid rgba(20, 224, 200, 0.6);
  outline-offset: 2px;
}
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.text-glow {
  text-shadow: 0 0 30px rgba(20, 224, 200, 0.3);
}
@media (max-width: 991.98px) {
  :root {
    --spacer: 60px;
  }
  .section-head h2 {
    font-size: 28px;
  }
}
@media (max-width: 767.98px) {
  :root {
    --spacer: 48px;
  }
  .section-head {
    margin-bottom: 32px;
  }
}

/* roulang page: category3 */
:root {
  --bg-primary: #07101F;
  --bg-secondary: #0D1830;
  --bg-deeper: #050A14;
  --brand-blue: #1E6FFF;
  --brand-cyan: #14E0C8;
  --accent-red: #FF4D6D;
  --text-primary: #EDF2FF;
  --text-secondary: #8A9BBC;
  --text-muted: #566181;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.08);
  --radius-sm: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-nav: 0 8px 32px rgba(0, 0, 0, 0.3);
  --space-section: 80px;
  --font-main: "PingFang SC", "Microsoft YaHei UI", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Barlow Condensed", "Rajdhani", sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color .25s ease;
}
a:hover {
  color: var(--brand-cyan);
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid rgba(20, 224, 200, 0.5);
  outline-offset: 2px;
}
.container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}
section {
  padding: var(--space-section) 0;
  position: relative;
}

/* ===== 导航 ===== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 18, 36, 0.4);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.site-header.scrolled {
  position: fixed;
  background: rgba(7, 16, 31, 0.92);
  box-shadow: var(--shadow-nav);
  border-color: rgba(255, 255, 255, 0.04);
}
.navbar {
  padding: 0;
  min-height: 70px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
  padding: 0;
}
.navbar-brand:hover {
  color: var(--text-primary);
}
.brand-wave {
  flex-shrink: 0;
}
.brand-name {
  font-weight: 700;
  color: var(--text-primary);
}
.brand-name::after {
  content: '';
  display: block;
  height: 3px;
  width: 100%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--brand-cyan), transparent);
  margin-top: 2px;
}
.navbar-nav {
  gap: 4px;
}
.navbar-nav .nav-link {
  color: rgba(237, 242, 255, 0.75);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px !important;
  border-radius: 8px;
  position: relative;
  letter-spacing: 0.5px;
  transition: color .25s ease;
}
.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%) scaleX(0);
  width: 24px;
  height: 4px;
  border-radius: 100px;
  background: var(--brand-cyan);
  box-shadow: 0 0 12px rgba(20, 224, 200, 0.6);
  transition: transform .3s ease;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--brand-cyan);
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 14px;
  transition: color .25s ease, box-shadow .25s ease;
}
.nav-search:hover {
  color: var(--brand-cyan);
  box-shadow: 0 0 16px rgba(20, 224, 200, 0.2);
}
.navbar-toggler {
  border: none;
  padding: 6px;
  border-radius: 8px;
}
.navbar-toggler:focus {
  box-shadow: none;
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='%23EDF2FF' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== 按钮 ===== */
.btn {
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  padding: 10px 24px;
  border: none;
  transition: all .3s ease;
  letter-spacing: 0.5px;
}
.btn:focus {
  box-shadow: 0 0 0 0.25rem rgba(20, 224, 200, 0.2);
}
.btn-brand {
  background: linear-gradient(135deg, var(--brand-blue), #1448C0);
  color: #fff;
  box-shadow: 0 0 24px rgba(30, 111, 255, 0.45);
}
.btn-brand:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(30, 111, 255, 0.6);
}
.btn-brand:active {
  transform: translateY(0);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  border-color: var(--brand-cyan);
  color: var(--brand-cyan);
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(20, 224, 200, 0.15);
}
.btn-ghost:active {
  transform: translateY(0);
}
.btn-cyan {
  background: linear-gradient(135deg, var(--brand-cyan), #0FAE9C);
  color: #07101F;
  box-shadow: 0 0 24px rgba(20, 224, 200, 0.35);
}
.btn-cyan:hover {
  color: #07101F;
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(20, 224, 200, 0.5);
}
.btn-sm {
  padding: 7px 18px;
  font-size: 13px;
}

/* ===== Hero 区域 ===== */
.page-hero {
  min-height: 66vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 140px 0 80px;
  background-color: var(--bg-primary);
}
.page-hero .hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.55;
}
.page-hero .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 16, 31, 0.72) 0%, rgba(7, 16, 31, 0.84) 50%, var(--bg-primary) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 100px;
  background: rgba(20, 224, 200, 0.12);
  border: 1px solid rgba(20, 224, 200, 0.35);
  color: var(--brand-cyan);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 24px;
  box-shadow: 0 0 24px rgba(20, 224, 200, 0.12);
}
.hero-content h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 1.25;
  margin-bottom: 18px;
  text-shadow: 0 4px 24px rgba(30, 111, 255, 0.2);
}
.hero-content h1 .cyan {
  color: var(--brand-cyan);
}
.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== 数据统计 ===== */
.stats-section {
  padding: 60px 0;
  background: var(--bg-primary);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: box-shadow .3s ease;
}
.stat-card:hover {
  box-shadow: 0 0 24px rgba(20, 224, 200, 0.08);
}
.stat-number {
  font-family: var(--font-num);
  font-size: clamp(30px, 3.5vw, 42px);
  font-weight: 700;
  color: var(--brand-cyan);
  font-variant-numeric: tabular-nums;
  display: block;
  line-height: 1.15;
}
.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
  display: block;
  letter-spacing: 0.5px;
}

/* ===== 时间线 ===== */
.timeline-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}
.timeline-section .section-head {
  text-align: center;
  margin-bottom: 64px;
}
.section-kicker {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--brand-cyan);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-head p {
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
}
.timeline-list {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 0;
}
.timeline-list::before {
  content: '';
  position: absolute;
  left: 40px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(20, 224, 200, 0.6), rgba(30, 111, 255, 0.15));
  border-radius: 4px;
}
.timeline-item {
  position: relative;
  margin-bottom: 48px;
  padding-left: 104px;
}
.timeline-item:last-child {
  margin-bottom: 0;
}
.timeline-dot {
  position: absolute;
  left: 33px;
  top: 26px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--brand-cyan);
  box-shadow: 0 0 0 6px rgba(20, 224, 200, 0.2), 0 0 20px rgba(20, 224, 200, 0.7);
  z-index: 2;
}
.timeline-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(20, 224, 200, 0.35);
}
.timeline-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.timeline-date {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  color: var(--brand-cyan);
  letter-spacing: 0.5px;
  font-variant-numeric: tabular-nums;
  background: rgba(20, 224, 200, 0.08);
  padding: 3px 14px;
  border-radius: 100px;
  border: 1px solid rgba(20, 224, 200, 0.2);
}
.timeline-badge {
  display: inline-block;
  padding: 3px 14px;
  border-radius: 100px;
  background: rgba(30, 111, 255, 0.15);
  border: 1px solid rgba(30, 111, 255, 0.35);
  color: #7FA8FF;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.timeline-body {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.timeline-img-wrap {
  flex-shrink: 0;
  width: 180px;
  height: 120px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.timeline-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.timeline-card:hover .timeline-img-wrap img {
  transform: scale(1.04);
}
.timeline-content {
  flex: 1;
}
.timeline-content h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
  line-height: 1.4;
}
.timeline-content p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.7;
}
.timeline-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-cyan);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .3s ease;
}
.timeline-link:hover {
  color: #7FF2E4;
  gap: 10px;
}
.timeline-empty {
  text-align: center;
  padding: 40px;
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  font-size: 15px;
}

/* ===== 品牌特色 ===== */
.feature-section {
  background: var(--bg-primary);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(20, 224, 200, 0.3);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(30, 111, 255, 0.2), rgba(20, 224, 200, 0.15));
  color: var(--brand-cyan);
  border: 1px solid rgba(20, 224, 200, 0.25);
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.7;
}

/* ===== CTA 横幅 ===== */
.cta-banner {
  padding: 90px 0;
  background: linear-gradient(135deg, rgba(30, 111, 255, 0.85), rgba(20, 224, 200, 0.75)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(7, 16, 31, 0.6);
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(237, 242, 255, 0.85);
  margin-bottom: 28px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-actions .btn-ghost {
  border-color: rgba(255, 255, 255, 0.5);
}
.cta-actions .btn-ghost:hover {
  border-color: var(--brand-cyan);
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-secondary);
}
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-section .section-head {
  text-align: center;
  margin-bottom: 48px;
}
.accordion-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-lg) !important;
  margin-bottom: 16px;
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: border-color .3s ease, background .3s ease;
}
.accordion-item:hover {
  border-color: rgba(20, 224, 200, 0.25) !important;
}
.accordion-button {
  background: transparent;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  padding: 20px 24px;
  border: none;
  box-shadow: none !important;
  position: relative;
}
.accordion-button::after {
  content: '\002B';
  font-family: var(--font-num);
  font-size: 24px;
  width: auto;
  height: auto;
  background-image: none;
  color: var(--brand-cyan);
  font-weight: 400;
  transition: transform .3s ease;
}
.accordion-button:not(.collapsed)::after {
  transform: rotate(45deg);
}
.accordion-button:not(.collapsed) {
  background: rgba(20, 224, 200, 0.06);
  color: var(--text-primary);
}
.accordion-item:has(.accordion-button:not(.collapsed)) {
  background: rgba(20, 224, 200, 0.03);
  border-color: rgba(20, 224, 200, 0.2) !important;
}
.accordion-body {
  padding: 0 24px 22px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
}
.qa-prefix {
  color: var(--brand-cyan);
  font-family: var(--font-num);
  font-weight: 700;
  margin-right: 8px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-deeper);
  padding: 64px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.footer-brand:hover {
  color: var(--text-primary);
}
.footer-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 320px;
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--brand-cyan), transparent);
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color .25s ease, padding-left .25s ease;
}
.footer-links a:hover {
  color: var(--brand-cyan);
  padding-left: 4px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-contact span {
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i {
  color: var(--brand-cyan);
  width: 16px;
  text-align: center;
  font-size: 13px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding: 22px 0;
  margin-top: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}
.footer-bottom a {
  color: var(--text-muted);
}
.footer-bottom a:hover {
  color: var(--brand-cyan);
}

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 991px) {
  .navbar {
    min-height: 58px;
  }
  .navbar-collapse {
    background: rgba(7, 16, 31, 0.97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-radius: 16px;
    padding: 20px;
    margin-top: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
  }
  .navbar-nav {
    gap: 4px;
  }
  .navbar-nav .nav-link {
    padding: 10px 16px !important;
    font-size: 15px;
  }
  .nav-actions {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }
  .page-hero {
    min-height: 60vh;
    padding: 120px 0 60px;
  }
}
@media (max-width: 767px) {
  :root {
    --space-section: 48px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .stat-card {
    padding: 20px 14px;
  }
  .timeline-item {
    padding-left: 0;
  }
  .timeline-list {
    padding-left: 30px;
  }
  .timeline-list::before {
    left: 10px;
  }
  .timeline-dot {
    left: 3px;
  }
  .timeline-card {
    padding: 18px;
  }
  .timeline-body {
    flex-direction: column;
    gap: 14px;
  }
  .timeline-img-wrap {
    width: 100%;
    height: 180px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 32px;
  }
  .cta-banner {
    padding: 60px 0;
  }
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  .cta-actions .btn {
    width: 100%;
    max-width: 300px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .stat-number {
    font-size: 28px;
  }
  .timeline-img-wrap {
    height: 150px;
  }
  .hero-content h1 {
    font-size: 30px;
    letter-spacing: 1px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

/* roulang page: category4 */
:root{
  --bg-main:#07101F;
  --bg-panel:#0D1830;
  --brand:#1E6FFF;
  --accent:#14E0C8;
  --danger:#FF4D6D;
  --title:#EDF2FF;
  --body:#8A9BBC;
  --muted:#566181;
  --glass:rgba(255,255,255,0.05);
  --glass-border:rgba(255,255,255,0.08);
  --radius-sm:12px;
  --radius-lg:16px;
  --shadow-card:0 4px 16px rgba(0,0,0,0.2);
  --shadow-hover:0 12px 32px rgba(0,0,0,0.35);
  --shadow-nav:0 8px 32px rgba(0,0,0,0.3);
  --font-cn:"PingFang SC","Microsoft YaHei UI","Noto Sans SC","Source Han Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow Condensed","Rajdhani",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-cn);
  background:var(--bg-main);
  color:var(--body);
  font-size:16px;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none;transition:all .25s ease;}
a:hover{color:#fff;}
img{max-width:100%;height:auto;display:block;}
ul{list-style:none;padding:0;margin:0;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}

/* ===== Header ===== */
.site-header{
  position:absolute;top:0;left:0;right:0;z-index:1000;
  height:70px;
  background:rgba(10,18,36,0.4);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:all .35s ease;
}
.site-header.scrolled{
  position:fixed;
  height:66px;
  background:rgba(7,16,31,0.92);
  box-shadow:var(--shadow-nav);
}
.navbar{padding-top:0;padding-bottom:0;height:100%;}
.navbar-brand{
  display:flex;align-items:center;gap:10px;
  color:var(--title) !important;
  font-size:19px;font-weight:700;letter-spacing:1px;
}
.brand-wave{flex-shrink:0;filter:drop-shadow(0 0 6px rgba(20,224,200,0.4));}
.brand-name{position:relative;color:var(--title);}
.brand-name::after{
  content:"";position:absolute;left:0;bottom:-3px;width:100%;height:2px;
  background:linear-gradient(90deg,var(--accent),transparent);
  border-radius:2px;
}
.navbar-nav{gap:4px;}
.navbar-nav .nav-link{
  color:var(--body) !important;
  font-size:14px;font-weight:500;letter-spacing:.5px;
  padding:8px 14px !important;border-radius:8px;
  position:relative;transition:all .25s ease;
}
.navbar-nav .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--accent);opacity:0;
  box-shadow:0 0 10px rgba(20,224,200,0.6);
  transition:all .25s ease;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active{
  color:var(--accent) !important;
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after{opacity:1;bottom:0;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-search{
  color:var(--body);font-size:16px;width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid transparent;
  transition:all .25s ease;
}
.nav-search:hover{color:var(--accent);border-color:rgba(20,224,200,.4);box-shadow:0 0 14px rgba(20,224,200,.15);}
.navbar-toggler{
  border:1px solid rgba(255,255,255,.15);border-radius:8px;
  width:42px;height:38px;padding:0;display:flex;align-items:center;justify-content:center;
  box-shadow:none !important;outline:none !important;
}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%2314E0C8' stroke-linecap='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E") !important;
  width:22px;height:22px;
}
@media(max-width:991.98px){
  .site-header{height:58px;}
  .navbar-collapse{
    background:rgba(7,16,31,0.97);
    backdrop-filter:blur(20px);
    border:1px solid var(--glass-border);
    border-radius:16px;
    padding:18px 20px;
    margin-top:10px;
    box-shadow:var(--shadow-hover);
  }
  .navbar-nav{gap:0;}
  .navbar-nav .nav-link{padding:12px 10px !important;font-size:16px;border-bottom:1px solid rgba(255,255,255,.05);border-radius:0;}
  .navbar-nav .nav-link::after{display:none;}
  .nav-actions{margin-top:14px;justify-content:space-between;}
}

/* ===== Hero ===== */
.category-hero{
  position:relative;
  min-height:520px;
  padding:150px 0 90px;
  display:flex;align-items:center;
  background:
    linear-gradient(120deg,rgba(7,16,31,.88) 0%,rgba(7,16,31,.72) 50%,rgba(30,111,255,.28) 100%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat,
    var(--bg-main);
  overflow:hidden;
}
.category-hero::before{
  content:"";position:absolute;left:-100px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(20,224,200,.18),transparent 65%);
  pointer-events:none;
}
.category-hero::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(30,111,255,.18),transparent 65%);
  pointer-events:none;
}
.hero-grid-lines{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.024) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.024) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}
.hero-soundbars{
  position:absolute;left:0;right:0;bottom:0;height:70px;
  display:flex;align-items:flex-end;gap:4px;padding:0 20px;
  opacity:.35;pointer-events:none;
}
.hero-soundbars i{
  display:block;flex:1;max-width:8px;
  background:linear-gradient(180deg,var(--accent),transparent);
  border-radius:4px 4px 0 0;
  animation:sbPulse 2.4s ease-in-out infinite;
}
.hero-soundbars i:nth-child(2n){animation-delay:.3s;height:40% !important;}
.hero-soundbars i:nth-child(3n){animation-delay:.6s;height:65% !important;}
.hero-soundbars i:nth-child(5n){animation-delay:.9s;height:75% !important;}
.hero-soundbars i:nth-child(7n){animation-delay:1.2s;height:50% !important;}
@keyframes sbPulse{
  0%,100%{height:20%;}
  50%{height:85%;}
}
.category-hero .container{position:relative;z-index:2;}
.breadcrumb-custom{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
  margin-bottom:20px;
  padding:6px 16px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:100px;
  backdrop-filter:blur(10px);
}
.breadcrumb-custom a{color:var(--body);}
.breadcrumb-custom a:hover{color:var(--accent);}
.breadcrumb-custom .sep{color:var(--muted);font-size:11px;}
.breadcrumb-custom .current{color:var(--accent);}
.category-hero h1{
  font-size:clamp(36px,5vw,54px);
  font-weight:700;color:var(--title);
  letter-spacing:2px;line-height:1.2;
  margin-bottom:18px;
  text-shadow:0 0 30px rgba(30,111,255,.3);
}
.category-hero .lead{
  font-size:16px;max-width:560px;color:var(--body);
  line-height:1.8;margin-bottom:28px;
}
.hero-badge-row{display:flex;gap:10px;flex-wrap:wrap;}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--body);
  padding:6px 14px;border-radius:100px;
  background:var(--glass);border:1px solid var(--glass-border);
}

/* ===== Stats ===== */
.stats-section{padding:60px 0 40px;position:relative;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stats-card{
  background:var(--glass);
  backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-sm);
  padding:30px 24px;text-align:center;
  transition:box-shadow .3s ease;
}
.stats-card:hover{box-shadow:0 0 30px rgba(20,224,200,.08);}
.stats-num{
  font-family:var(--font-num);
  font-size:42px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.1;
  text-shadow:0 0 18px rgba(20,224,200,.25);
}
.stats-label{font-size:13px;color:var(--muted);margin-top:8px;}

/* ===== Section General ===== */
.section{padding:80px 0;position:relative;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--accent);letter-spacing:.5px;
  padding:4px 16px;border-radius:100px;
  background:rgba(20,224,200,.08);
  border:1px solid rgba(20,224,200,.2);
  margin-bottom:14px;
  text-transform:uppercase;
}
.section-title{
  font-size:28px;font-weight:600;color:var(--title);
  letter-spacing:1px;margin-bottom:14px;
}
.section-sub{color:var(--body);max-width:640px;margin-bottom:40px;font-size:15px;}

/* ===== Story Intro ===== */
.story-intro{
  background:linear-gradient(180deg,var(--bg-main) 0%,var(--bg-panel) 100%);
  border-top:1px solid rgba(255,255,255,.04);
  border-bottom:1px solid rgba(255,255,255,.04);
}
.intro-cols{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;}
.intro-copy p{font-size:15px;line-height:1.9;color:var(--body);margin-bottom:18px;}
.intro-copy p strong{color:var(--title);font-weight:600;}
.intro-points{display:grid;gap:14px;margin-top:8px;}
.intro-point{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--glass);border:1px solid var(--glass-border);
  border-radius:var(--radius-sm);padding:18px 20px;
  transition:all .3s ease;
}
.intro-point:hover{border-color:rgba(20,224,200,.3);transform:translateY(-2px);}
.intro-point .icon{
  width:36px;height:36px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;font-size:14px;
  background:rgba(20,224,200,.12);color:var(--accent);
  border:1px solid rgba(20,224,200,.18);
}
.intro-point h4{font-size:15px;color:var(--title);font-weight:600;margin-bottom:4px;}
.intro-point p{font-size:13px;color:var(--body);line-height:1.6;margin:0;}

/* ===== Gallery ===== */
.gallery-section{background:var(--bg-main);}
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.gallery-card{
  grid-column:span 4;
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--glass-border);
  background:var(--bg-panel);
  box-shadow:var(--shadow-card);
  transition:all .35s ease;
}
.gallery-card.large{grid-column:span 6;grid-row:span 2;}
.gallery-card.medium{grid-column:span 6;}
.gallery-card .card-img{
  position:relative;overflow:hidden;
  aspect-ratio:16/10;
}
.gallery-card.large .card-img{aspect-ratio:auto;height:100%;min-height:420px;}
.gallery-card .card-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.gallery-card:hover .card-img img{transform:scale(1.04);}
.gallery-card .img-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(7,16,31,.92) 100%);
  pointer-events:none;
}
.gallery-card .card-body{
  position:absolute;left:0;right:0;bottom:0;
  padding:24px;z-index:2;
}
.gallery-card .cat-tag{
  display:inline-block;
  font-size:12px;color:var(--accent);
  background:rgba(20,224,200,.13);
  border:1px solid rgba(20,224,200,.25);
  border-radius:100px;padding:3px 12px;
  margin-bottom:10px;
  }

.gallery-card .card-title{
  font-size:18px;font-weight:600;color:var(--title);
  line-height:1.45;margin-bottom:8px;
}
.gallery-card.large .card-title{font-size:24px;}
.gallery-card .card-excerpt{
  font-size:14px;color:var(--body);
  line-height:1.7;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gallery-card .read-more{
  font-size:13px;color:var(--accent);font-weight:500;
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .25s ease;
}
.gallery-card .read-more:hover{gap:12px;color:#fff;}

/* ===== Featured Big Story ===== */
.feature-section{
  background:var(--bg-panel) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  position:relative;
}
.feature-section::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,16,31,.93) 30%,rgba(7,16,31,.55) 100%);
}
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;
  position:relative;z-index:2;
}
.feature-media{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-hover);
  position:relative;
}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.feature-media::after{
  content:"▶";position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:70px;height:70px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(30,111,255,.75);color:#fff;font-size:22px;
  box-shadow:0 0 0 14px rgba(30,111,255,.18),0 0 30px rgba(30,111,255,.5);
  transition:all .3s ease;cursor:pointer;
}
.feature-media:hover::after{
  transform:translate(-50%,-50%) scale(1.08);
  box-shadow:0 0 0 20px rgba(30,111,255,.2),0 0 40px rgba(30,111,255,.6);
}
.feature-copy h3{
  font-size:28px;font-weight:600;color:var(--title);
  line-height:1.4;margin-bottom:16px;
}
.feature-copy p{font-size:15px;line-height:1.9;color:var(--body);margin-bottom:20px;}
.feature-meta{
  display:flex;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ===== People ===== */
.people-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.people-card{
  display:grid;grid-template-columns:140px 1fr;gap:20px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-sm);
  padding:20px;
  backdrop-filter:blur(14px);
  transition:all .3s ease;
}
.people-card:hover{border-color:rgba(20,224,200,.25);box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.people-avatar{
  width:140px;height:140px;border-radius:14px;overflow:hidden;
  border:1px solid var(--glass-border);
}
.people-avatar img{width:100%;height:100%;object-fit:cover;}
.people-info h4{font-size:17px;color:var(--title);font-weight:600;margin-bottom:4px;}
.people-info .role{font-size:13px;color:var(--accent);margin-bottom:10px;}
.people-info .quote{font-size:13px;color:var(--body);line-height:1.7;margin-bottom:12px;}
.people-info .people-tags{display:flex;gap:6px;flex-wrap:wrap;}

/* ===== Timeline Milestones ===== */
.milestone-section{background:linear-gradient(180deg,var(--bg-main),var(--bg-panel));}
.mile-timeline{position:relative;max-width:720px;margin:0 auto;}
.mile-timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;
  width:2px;transform:translateX(-50%);
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.2) 0 6px,transparent 6px 12px);
}
.mile-item{
  position:relative;width:50%;
  padding:20px 40px 20px 0;
  text-align:right;
}
.mile-item:nth-child(even){
  margin-left:50%;text-align:left;padding:20px 0 20px 40px;
}
.mile-dot{
  position:absolute;top:28px;right:-7px;
  width:14px;height:14px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 6px rgba(20,224,200,.15),0 0 18px rgba(20,224,200,.6);
}
.mile-item:nth-child(even) .mile-dot{left:-7px;right:auto;}
.mile-year{
  font-family:var(--font-num);
  font-size:30px;font-weight:700;color:var(--title);
  letter-spacing:1px;line-height:1.1;
}
.mile-text{
  font-size:14px;color:var(--body);line-height:1.7;margin-top:8px;
}
.mile-card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-sm);
  padding:18px 20px;
  display:inline-block;
  backdrop-filter:blur(10px);
  transition:border-color .3s ease;
}
.mile-card:hover{border-color:rgba(20,224,200,.35);}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-sm);
  margin-bottom:14px;
  overflow:hidden;
  backdrop-filter:blur(10px);
  transition:all .3s ease;
}
.faq-item.active{background:rgba(255,255,255,.07);border-color:rgba(20,224,200,.25);}
.faq-q{
  display:flex;align-items:center;gap:14px;
  padding:20px 24px;cursor:pointer;
  user-select:none;
}
.faq-q .q-mark{
  font-family:var(--font-num);font-size:18px;font-weight:700;
  color:var(--accent);flex-shrink:0;
}
.faq-q .q-title{font-size:15px;color:var(--title);font-weight:500;flex:1;}
.faq-q .q-icon{
  width:28px;height:28px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--glass-border);border-radius:50%;
  font-size:14px;color:var(--accent);
  transition:transform .3s ease;
}
.faq-item.active .q-icon{transform:rotate(45deg);background:rgba(20,224,200,.12);border-color:rgba(20,224,200,.3);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.faq-a-inner{padding:0 24px 20px 60px;color:var(--body);font-size:14px;line-height:1.8;}

/* ===== CTA ===== */
.cta-section{
  position:relative;padding:90px 0;
  background:
    radial-gradient(ellipse at 50% 100%,rgba(30,111,255,.35),transparent 60%),
    var(--bg-main);
  text-align:center;
  overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;left:50%;bottom:-40px;
  transform:translateX(-50%);
  width:600px;height:200px;
  background:radial-gradient(ellipse,rgba(20,224,200,.18),transparent 70%);
  pointer-events:none;
}
.cta-content{max-width:560px;margin:0 auto;position:relative;z-index:2;}
.cta-content h2{
  font-size:clamp(26px,3.6vw,38px);font-weight:700;color:var(--title);
  margin-bottom:14px;letter-spacing:1px;
}
.cta-content p{color:var(--body);font-size:15px;margin-bottom:30px;}
.btn{
  border-radius:10px;font-size:14px;font-weight:600;
  padding:12px 28px;
  transition:all .3s ease;
  border:1px solid transparent;
}
.btn:focus{outline:2px solid rgba(20,224,200,.5);outline-offset:2px;box-shadow:0 0 0 4px rgba(20,224,200,.15);}
.btn-brand{
  background:var(--brand);color:#fff;
  box-shadow:0 0 24px rgba(30,111,255,.45);
}
.btn-brand:hover{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 0 34px rgba(30,111,255,.6);
  background:#2b7aff;
}
.btn-brand:active{transform:translateY(0);}
.btn-accent{
  background:transparent;color:var(--accent);
  border:1px solid rgba(20,224,200,.45);
}
.btn-accent:hover{
  color:var(--accent);border-color:var(--accent);
  box-shadow:0 0 24px rgba(20,224,200,.3);
  transform:translateY(-2px);
}
.btn-lg{padding:14px 40px;font-size:15px;}
.btn-sm{padding:8px 20px;font-size:13px;border-radius:8px;}

/* ===== Footer ===== */
.site-footer{
  background:#050A14;
  padding:70px 0 0;
  border-top:1px solid rgba(255,255,255,.04);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--title);
  margin-bottom:16px;
}
.footer-desc{font-size:13px;color:var(--muted);line-height:1.8;max-width:300px;margin-bottom:10px;}
.footer-title{font-size:15px;color:var(--title);font-weight:600;margin-bottom:18px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--body);transition:all .25s ease;}
.footer-links a:hover{color:var(--accent);padding-left:5px;}
.footer-contact span{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--body);margin-bottom:12px;
}
.footer-contact i{color:var(--accent);font-size:14px;width:16px;}
.footer-bottom{
  margin-top:50px;
  border-top:1px solid rgba(255,255,255,.05);
  padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:8px;
}
.footer-bottom p{font-size:12px;color:var(--muted);margin:0;}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--accent);}

/* ===== Responsive ===== */
@media(max-width:1199px){
  .gallery-card{grid-column:span 6;}
  .gallery-card.large{grid-column:span 12;grid-row:auto;}
}
@media(max-width:991px){
  .section{padding:60px 0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .intro-cols{grid-template-columns:1fr;gap:36px;}
  .feature-row{grid-template-columns:1fr;gap:36px;}
  .people-grid{grid-template-columns:1fr;}
  .category-hero{min-height:460px;padding:120px 0 70px;}
  .mile-timeline::before{left:12px;transform:none;}
  .mile-item{margin-left:0 !important;width:100%;text-align:left !important;padding:14px 0 14px 44px !important;}
  .mile-dot{left:5px !important;right:auto !important;}
}
@media(max-width:767px){
  .section{padding:44px 0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stats-num{font-size:30px;}
  .gallery-grid{grid-template-columns:1fr;}
  .gallery-card,.gallery-card.large,.gallery-card.medium{grid-column:span 1;}
  .gallery-card.large .card-img{min-height:280px;}
  .feature-media::after{width:54px;height:54px;font-size:18px;}
  .category-hero{padding:100px 0 50px;min-height:420px;}
  .people-card{grid-template-columns:1fr;text-align:center;}
  .people-avatar{margin:0 auto;width:120px;height:120px;}
  .people-info .people-tags{justify-content:center;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .category-hero h1{font-size:32px;}
}