/* roulang page: index */
:root{
  --bg-primary:#0A0F1F;
  --bg-secondary:#0D1428;
  --bg-footer:#070B16;
  --bg-card:rgba(255,255,255,0.04);
  --bg-card-soft:rgba(255,255,255,0.03);
  --border-card:rgba(255,255,255,0.10);
  --border-hover:rgba(0,229,204,0.45);
  --primary:#2E6BFF;
  --cyan:#00E5CC;
  --amber:#FFC03A;
  --text-main:#E6ECFF;
  --text-secondary:#8A94B8;
  --text-tertiary:#5A6790;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:999px;
  --shadow-card:0 8px 32px rgba(0,0,0,0.35);
  --shadow-hover:0 16px 48px rgba(0,0,0,0.45),0 0 24px rgba(0,229,204,0.15);
  --sp-section:96px;
  --sp-section-mobile:56px;
  --font-stack:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-stack);
  background:var(--bg-primary);
  color:var(--text-main);
  line-height:1.75;
  font-size:16px;
  margin:0;
  padding:0;
  overflow-x:hidden;
}
a{color:var(--cyan);text-decoration:none;transition:color .3s ease}
a:hover{color:var(--cyan);opacity:.85}
img{max-width:100%;height:auto}
button{font-family:inherit}
.input-group,.form-control{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.15);border-radius:var(--radius-md);color:var(--text-main)}
.form-control:focus{border-color:rgba(0,229,204,0.8);box-shadow:0 0 0 4px rgba(0,229,204,0.15);background:rgba(255,255,255,0.08);color:var(--text-main)}
.form-control::placeholder{color:var(--text-tertiary)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container{max-width:1320px}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1050;
  background:rgba(10,15,31,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.08);
  height:64px;
  transition:all .3s ease;
}
.site-header .navbar{
  height:64px;
  padding:0 16px;
}
.brand-logo{
  font-size:22px;font-weight:700;color:var(--text-main);
  background:linear-gradient(135deg,#E6ECFF,#00E5CC);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand-logo i{background:none;-webkit-text-fill-color:var(--cyan);margin-right:6px;font-size:20px}
.nav-link-custom{
  color:var(--text-secondary)!important;
  font-size:15px;font-weight:500;
  padding:8px 16px!important;
  position:relative;
  transition:color .3s ease;
  white-space:nowrap;
}
.nav-link-custom:hover,.nav-link-custom.active{
  color:var(--cyan)!important;
}
.nav-link-custom::after{
  content:'';position:absolute;left:16px;right:16px;bottom:0;
  height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--cyan));
  opacity:0;transform:scaleX(.4);
  transition:opacity .3s ease,transform .3s ease;
}
.nav-link-custom:hover::after,.nav-link-custom.active::after{
  opacity:1;transform:scaleX(1);
}
.btn-brand{
  background:linear-gradient(135deg,var(--primary) 0%,var(--cyan) 100%);
  color:#fff;border:none;border-radius:var(--radius-md);
  padding:8px 24px;font-weight:600;font-size:15px;
  transition:box-shadow .3s ease,transform .3s ease;
  box-shadow:0 4px 20px rgba(46,107,255,0.3);
}
.btn-brand:hover{
  color:#fff;transform:translateY(-1px);
  box-shadow:0 8px 32px rgba(0,229,204,0.35);
}
.btn-outline-brand{
  background:transparent;color:var(--cyan);
  border:1px solid rgba(0,229,204,0.5);border-radius:var(--radius-md);
  padding:8px 24px;font-weight:600;font-size:15px;
  transition:all .3s ease;
}
.btn-outline-brand:hover{
  background:rgba(0,229,204,0.1);color:var(--cyan);
  box-shadow:0 0 20px rgba(0,229,204,0.2);
}

/* 移动端底部Tab */
.mobile-tabbar{
  position:fixed;bottom:0;left:0;right:0;z-index:1030;
  background:rgba(7,11,22,0.95);
  backdrop-filter:blur(20px);
  border-top:1px solid rgba(255,255,255,0.08);
  display:none;
  height:60px;
  padding:0 4px calc(env(safe-area-inset-bottom,0px) + 4px);
}
.mobile-tabbar .tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:2px;
  color:var(--text-tertiary);font-size:11px;
  text-decoration:none;position:relative;
  transition:color .3s ease;
  padding-top:6px;
}
.mobile-tabbar .tab-item i{font-size:20px}
.mobile-tabbar .tab-item.active,.mobile-tabbar .tab-item:hover{
  color:var(--cyan);
}
.mobile-tabbar .tab-item.active::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:32px;height:2px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 12px var(--cyan);
}
.mobile-tabbar .tab-item.active i{
  text-shadow:0 0 12px var(--cyan);
}

/* Hero */
.hero{
  position:relative;
  min-height:680px;
  display:flex;align-items:center;
  padding:120px 0 80px;
  overflow:hidden;
  background-image:
    linear-gradient(rgba(0,229,204,0.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,229,204,0.06) 1px,transparent 1px),
    linear-gradient(135deg,rgba(10,15,31,0.6) 0%,rgba(10,15,31,0.8) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:40px 40px,40px 40px,100% 100%,cover;
  background-position:center;
}
.hero::before{
  content:'';position:absolute;top:-120px;left:-120px;
  width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,107,255,0.25) 0%,transparent 70%);
  pointer-events:none;
}
.hero .hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(0,229,204,0.1);
  border:1px solid rgba(0,229,204,0.3);
  color:var(--cyan);border-radius:var(--radius-sm);
  padding:4px 16px;font-size:13px;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,5vw,54px);
  font-weight:700;line-height:1.2;
  color:var(--text-main);
  margin-bottom:16px;
}
.hero .hero-sub{
  font-size:17px;color:var(--text-secondary);
  line-height:1.7;margin-bottom:28px;
  max-width:520px;
}
.hero .hero-tags{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:32px;
}
.hero .hero-tags span{
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--radius-sm);
  color:var(--text-secondary);
  font-size:13px;padding:6px 16px;
  display:inline-flex;align-items:center;gap:6px;
}
.hero .hero-tags i{color:var(--cyan);font-size:12px}

/* 登录面板 */
.login-panel{
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:20px;
  padding:32px;
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
  position:relative;
  max-width:420px;
  margin-left:auto;
}
.login-panel::before{
  content:'';position:absolute;top:-1px;right:-1px;
  width:100px;height:100px;
  background:radial-gradient(circle,rgba(0,229,204,0.2) 0%,transparent 70%);
  pointer-events:none;border-radius:0 20px 0 0;
}
.login-panel .panel-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(0,229,204,0.12);
  color:var(--cyan);font-size:12px;
  border-radius:var(--radius-sm);
  padding:3px 12px;
  margin-bottom:20px;
}
.login-panel .form-label{color:var(--text-secondary);font-size:13px;font-weight:500;margin-bottom:4px}
.login-panel .form-control{
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.15);
  border-radius:var(--radius-md);
  color:var(--text-main);
  padding:12px 16px;
}
.login-panel .form-control:focus{
  border-color:rgba(0,229,204,0.8);
  box-shadow:0 0 0 4px rgba(0,229,204,0.15);
}
.login-panel .btn-login{
  width:100%;padding:12px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--cyan) 100%);
  border:none;border-radius:var(--radius-md);
  color:#fff;font-weight:600;font-size:15px;
  margin-top:20px;
  transition:box-shadow .3s ease,transform .3s ease;
  box-shadow:0 4px 20px rgba(46,107,255,0.3);
}
.login-panel .btn-login:hover{
  transform:translateY(-1px);
  box-shadow:0 8px 32px rgba(0,229,204,0.4);
}
.login-panel .btn-web{
  width:100%;padding:10px;
  background:transparent;
  border:1px solid rgba(0,229,204,0.4);
  border-radius:var(--radius-md);
  color:var(--cyan);font-weight:500;font-size:14px;
  margin-top:10px;
  transition:all .3s ease;
}
.login-panel .btn-web:hover{background:rgba(0,229,204,0.1)}
.login-panel .panel-security{
  display:flex;justify-content:center;gap:16px;
  margin-top:18px;
  color:var(--text-tertiary);font-size:12px;
}

/* 区块通用 */
.section{
  padding:var(--sp-section) 0;
}
.section-alt{background:var(--bg-secondary)}
.section-title{
  font-size:clamp(24px,3vw,38px);
  font-weight:700;color:var(--text-main);
  margin-bottom:8px;
}
.section-desc{
  color:var(--text-secondary);font-size:16px;
  max-width:640px;margin-bottom:40px;
}

/* 信任数据 */
.trust-stats{
  background:linear-gradient(180deg,var(--bg-primary) 0%,var(--bg-secondary) 100%);
  padding:32px 0;
}
.trust-stats .stat-item{
  text-align:center;padding:24px 16px;
}
.trust-stats .stat-num{
  font-size:clamp(28px,3.5vw,42px);
  font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  font-family:var(--mono);
}
.trust-stats .stat-label{
  color:var(--text-secondary);font-size:14px;
  margin-top:4px;
}

/* 热门游戏 */
.game-card{
  background:var(--bg-card);
  border:1px solid var(--border-card);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  height:100%;
  position:relative;
}
.game-card:hover{
  transform:translateY(-3px);
  border-color:var(--border-hover);
  box-shadow:var(--shadow-hover);
}
.game-card .card-cover{
  position:relative;overflow:hidden;
  aspect-ratio:16/10;
}
.game-card .card-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.game-card:hover .card-cover img{transform:scale(1.03)}
.game-card .card-cover::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(10,15,31,0.7) 100%);
}
.game-card .hot-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(255,192,58,0.9);
  color:#1a1a1a;font-size:12px;font-weight:600;
  border-radius:var(--radius-sm);padding:2px 12px;
}
.game-card .online-dot{
  position:absolute;top:14px;right:14px;z-index:2;
  width:10px;height:10px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);
  animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}
.game-card .card-body{
  padding:20px 24px 24px;
}
.game-card .game-name{
  font-size:18px;font-weight:600;color:var(--text-main);
  margin:0 0 6px;
  display:flex;align-items:center;gap:8px;
}
.game-card .game-name .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--cyan);flex-shrink:0;
}
.game-card .game-desc{
  color:var(--text-secondary);font-size:14px;
  margin-bottom:14px;line-height:1.5;
}
.game-card .card-foot{
  display:flex;justify-content:space-between;align-items:center;
}
.game-card .game-rate{
  color:var(--amber);font-size:14px;font-weight:600;
}
.game-card .game-rate i{margin-right:4px}
.game-card .enter-link{
  color:var(--cyan);font-size:14px;font-weight:500;
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .3s ease;
}
.game-card .enter-link:hover{gap:10px;color:var(--cyan)}
.game-card-lg .card-cover{aspect-ratio:16/9}

/* 评价轮播 */
.testimonial-section{
  background:var(--bg-secondary);
}
.testimonial-card{
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:20px;
  padding:28px;height:100%;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.testimonial-card:hover{
  border-color:rgba(0,229,204,0.3);
  box-shadow:0 0 24px rgba(0,229,204,0.1);
}
.testimonial-card .stars{
  color:var(--amber);font-size:15px;
  margin-bottom:14px;
  letter-spacing:2px;
}
.testimonial-card .quote{
  color:var(--text-main);font-size:15px;line-height:1.7;
  margin-bottom:20px;
  min-height:80px;
}
.testimonial-card .user{
  display:flex;align-items:center;gap:12px;
}
.testimonial-card .avatar{
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:16px;
  flex-shrink:0;
}
.testimonial-card .user-name{
  font-size:15px;font-weight:600;color:var(--text-main);
  margin:0;
}
.testimonial-card .user-role{
  font-size:12px;color:var(--text-tertiary);
  margin:0;
}
.carousel-indicators{
  bottom:-40px;
}
.carousel-indicators [data-bs-target]{
  width:8px;height:8px;border-radius:50%;
  background:var(--text-tertiary);
  border:0;opacity:.5;
  transition:all .3s ease;
}
.carousel-indicators .active{
  background:var(--cyan);opacity:1;
  transform:scale(1.3);
  box-shadow:0 0 8px var(--cyan);
}
.carousel-control-prev,.carousel-control-next{
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.12);
  top:50%;transform:translateY(-50%);
  opacity:1;
  transition:all .3s ease;
}
.carousel-control-prev{left:-20px}
.carousel-control-next{right:-20px}
.carousel-control-prev:hover,.carousel-control-next:hover{
  background:rgba(0,229,204,0.15);
  border-color:var(--cyan);
  box-shadow:0 0 20px rgba(0,229,204,0.25);
}
.carousel-control-prev i,.carousel-control-next i{
  color:var(--cyan);font-size:18px;
}

/* 安全流程 */
.step-item{
  text-align:center;padding:24px 16px;position:relative;
}
.step-item .step-icon{
  width:56px;height:56px;border-radius:50%;
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.12);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;
  color:var(--cyan);font-size:20px;
  transition:all .3s ease;
  position:relative;z-index:2;
  background:var(--bg-primary);
}
.step-item:hover .step-icon{
  border-color:var(--cyan);
  box-shadow:0 0 20px rgba(0,229,204,0.25);
  transform:translateY(-2px);
}
.step-item h3{
  font-size:18px;font-weight:600;color:var(--text-main);
  margin-bottom:8px;
}
.step-item p{
  color:var(--text-secondary);font-size:14px;
  line-height:1.5;max-width:180px;margin:0 auto;
}
.step-connector{
  position:absolute;top:52px;left:50%;right:-50%;
  height:1px;
  background:linear-gradient(90deg,rgba(46,107,255,0.4),rgba(0,229,204,0.4));
  z-index:0;
}
.step-item:last-child .step-connector{display:none}

/* 资讯 */
.news-feature-card{
  display:flex;
  background:var(--bg-card);
  border:1px solid var(--border-card);
  border-radius:var(--radius-lg);
  overflow:hidden;
  height:100%;
  transition:all .3s ease;
  text-decoration:none;
  flex-direction:row;
}
.news-feature-card:hover{
  border-color:var(--border-hover);
  box-shadow:var(--shadow-hover);
  text-decoration:none;
}
.news-feature-card .news-img{
  flex:0 0 220px;
  overflow:hidden;position:relative;
  min-height:180px;
}
.news-feature-card .news-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
  position:absolute;inset:0;
}
.news-feature-card:hover .news-img img{transform:scale(1.04)}
.news-feature-card .news-body{
  padding:24px;flex:1;
  display:flex;flex-direction:column;
}
.news-feature-card .news-body .tag{
  align-self:flex-start;
  background:rgba(0,229,204,0.12);
  color:var(--cyan);font-size:12px;
  border-radius:var(--radius-sm);
  padding:2px 12px;margin-bottom:10px;
}
.news-feature-card .news-body h3{
  font-size:18px;font-weight:600;color:var(--text-main);
  margin-bottom:8px;line-height:1.4;
}
.news-feature-card .news-body p{
  color:var(--text-secondary);font-size:14px;
  margin-bottom:12px;flex:1;
}
.news-date{
  color:var(--text-tertiary);font-size:13px;
}
.news-list{
  list-style:none;padding:0;margin:0;
}
.news-list .news-item{
  border-bottom:1px solid rgba(255,255,255,0.08);
  padding:12px 0;
}
.news-list .news-item:last-child{border-bottom:none}
.news-list .news-item a{
  display:flex;flex-direction:column;gap:4px;
  color:var(--text-main);text-decoration:none;
  transition:color .3s ease;
}
.news-list .news-item a:hover{color:var(--cyan)}
.news-list .news-item .news-item-title{
  font-weight:500;font-size:15px;
  line-height:1.4;
}
.news-list .news-item .news-item-excerpt{
  color:var(--text-secondary);font-size:13px;
  overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap;
}
.news-list .news-item .news-item-date{
  color:var(--text-tertiary);font-size:12px;
}
.news-empty{
  background:var(--bg-card);
  border:1px dashed rgba(255,255,255,0.15);
  border-radius:var(--radius-lg);
  padding:48px 24px;text-align:center;
}
.news-empty i{
  font-size:40px;color:var(--text-tertiary);margin-bottom:16px;
}
.news-empty h4{color:var(--text-main);font-size:18px;margin-bottom:4px}
.news-empty p{color:var(--text-tertiary);font-size:14px}

/* FAQ */
.accordion-item{
  background:var(--bg-card);
  border:1px solid var(--border-card)!important;
  border-radius:var(--radius-lg)!important;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:var(--border-hover)!important;
  box-shadow:0 0 24px rgba(0,229,204,0.12);
}
.accordion-button{
  background:transparent;
  color:var(--text-main);
  font-weight:600;font-size:16px;
  padding:20px 24px;
  box-shadow:none!important;
}
.accordion-button:not(.collapsed){
  background:transparent;
  color:var(--cyan);
}
.accordion-button::after{
  background-image:none;
  font-family:'Font Awesome 6 Free';
  font-weight:900;
  content:'\f067';
  color:var(--cyan);
  transition:transform .3s ease;
  font-size:14px;
  width:auto;height:auto;
  display:inline-flex;align-items:center;justify-content:center;
}
.accordion-button:not(.collapsed)::after{
  content:'\f068';
  transform:rotate(180deg);
}
.accordion-body{
  padding:0 24px 24px;
  color:var(--text-secondary);font-size:15px;line-height:1.7;
}

/* CTA */
.cta-section{
  position:relative;
  padding:80px 0;
  background:
    radial-gradient(circle at center,rgba(0,229,204,0.12) 0%,rgba(10,15,31,0.6) 60%,#0A0F1F 100%),
    linear-gradient(rgba(0,229,204,0.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,229,204,0.05) 1px,transparent 1px);
  background-size:100% 100%,40px 40px,40px 40px;
  text-align:center;
  overflow:hidden;
}
.cta-section h2{
  font-size:clamp(24px,3.5vw,40px);
  font-weight:700;color:var(--text-main);
  margin-bottom:16px;
}
.cta-section p{
  color:var(--text-secondary);font-size:16px;
  max-width:560px;margin:0 auto 32px;
}
.cta-section .btn-brand{
  font-size:16px;padding:12px 40px;
  box-shadow:0 4px 32px rgba(0,229,204,0.35);
}
.cta-section .btn-brand:hover{
  box-shadow:0 0 40px rgba(0,229,204,0.5);
}
.cta-section .btn-outline-brand{margin-left:12px}

/* 页脚 */
.site-footer{
  background:var(--bg-footer);
  border-top:1px solid rgba(255,255,255,0.06);
  padding:56px 0 24px;
}
.site-footer .footer-brand{
  font-size:20px;font-weight:700;color:var(--text-main);
  margin-bottom:12px;
}
.site-footer .footer-brand span{
  color:var(--cyan);
}
.site-footer p{
  color:var(--text-tertiary);font-size:14px;
  line-height:1.6;
}
.site-footer h5{
  font-size:15px;font-weight:600;color:var(--text-main);
  margin-bottom:16px;
}
.site-footer .footer-links{
  list-style:none;padding:0;margin:0;
}
.site-footer .footer-links li{
  margin-bottom:8px;
}
.site-footer .footer-links a{
  color:var(--text-secondary);font-size:14px;
  text-decoration:none;transition:color .3s ease,padding-left .3s ease;
}
.site-footer .footer-links a:hover{
  color:var(--cyan);padding-left:4px;
}
.footer-copyright{
  border-top:1px solid rgba(255,255,255,0.06);
  padding-top:16px;margin-top:32px;
  text-align:center;
  color:var(--text-tertiary);font-size:13px;
}

/* 响应式 */
@media (max-width: 991.98px) {
  .desktop-nav{display:none!important}
  .mobile-tabbar{display:flex}
  .site-header .navbar .btn-brand{display:none}
  main{padding-bottom:80px}
  .hero{min-height:auto;padding:100px 0 60px}
  .login-panel{margin:32px auto 0;max-width:420px}
  .hero .hero-sub{max-width:100%}
  .step-connector{display:none}
  .news-feature-card{flex-direction:column}
  .news-feature-card .news-img{flex:0 0 160px;min-height:160px}
  .carousel-control-prev{left:0}
  .carousel-control-next{right:0}
}
@media (max-width: 767.98px) {
  .section{padding:var(--sp-section-mobile) 0}
  .hero h1{font-size:28px;line-height:1.25}
  .hero{padding:96px 0 48px}
  .hero .hero-sub{font-size:15px}
  .hero .hero-tags{gap:8px}
  .hero .hero-tags span{font-size:12px;padding:4px 12px}
  .login-panel{padding:20px}
  .trust-stats .stat-item{padding:16px 8px}
  .game-card .card-body{padding:16px 16px 20px}
  .cta-section .btn-outline-brand{margin-left:0;margin-top:12px}
  .footer-links{font-size:13px}
  .carousel-control-prev,.carousel-control-next{display:none!important}
  .news-feature-card .news-body{padding:16px}
  .accordion-button{font-size:14px;padding:14px 16px}
  .accordion-body{padding:0 16px 16px;font-size:14px}
  .site-footer{padding:40px 0 80px}
}
@media (max-width: 575.98px) {
  .brand-logo{font-size:17px}
  .site-header .navbar{padding:0 8px}
  .container{padding:0 16px}
  .hero .hero-tags span:nth-child(n+3){display:none}
  .hero .hero-tags{justify-content:center}
  .hero .hero-badge{font-size:12px}
}

/* roulang page: article */
:root {
            --bg-deep: #070B16;
            --bg-main: #0A0F1F;
            --bg-alt: #0D1428;
            --blue: #2E6BFF;
            --cyan: #00E5CC;
            --amber: #FFC03A;
            --text-1: #E6ECFF;
            --text-2: #8A94B8;
            --text-3: #5A6790;
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(255, 255, 255, 0.10);
            --glass-border-hover: rgba(0, 229, 204, 0.45);
            --btn-gradient: linear-gradient(135deg, #2E6BFF 0%, #00E5CC 100%);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.45), 0 0 24px rgba(0, 229, 204, 0.15);
            --font-main: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: ui-monospace, Consolas, monospace;
            --transition-base: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-main);
            color: var(--text-1);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--cyan);
            opacity: 0.85;
        }

        button,
        input {
            font-family: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
        }

        .container {
            max-width: 1320px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .navbar {
            padding-top: 0;
            padding-bottom: 0;
        }

        /* ---------- Header & Nav ---------- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(10, 15, 31, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base) ease, box-shadow var(--transition-base) ease;
        }

        .site-header .navbar {
            min-height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-1) !important;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-logo i {
            color: var(--cyan);
            font-size: 20px;
            filter: drop-shadow(0 0 8px rgba(0, 229, 204, 0.5));
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link-custom {
            position: relative;
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-2) !important;
            font-size: 15px;
            font-weight: 500;
            border-radius: 8px;
            transition: color var(--transition-base), background var(--transition-base);
        }

        .nav-link-custom::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--cyan);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.3s ease;
            box-shadow: 0 0 10px rgba(0, 229, 204, 0.7);
        }

        .nav-link-custom:hover {
            color: var(--cyan) !important;
            background: rgba(0, 229, 204, 0.06);
        }

        .nav-link-custom:hover::after,
        .nav-link-custom.active::after {
            transform: scaleX(1);
        }

        .nav-link-custom.active {
            color: var(--cyan) !important;
            font-weight: 600;
        }

        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--btn-gradient);
            color: #fff !important;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            border: none;
            box-shadow: 0 4px 20px rgba(46, 107, 255, 0.35);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
        }

        .btn-brand:hover {
            color: #fff !important;
            box-shadow: 0 0 30px rgba(0, 229, 204, 0.4), 0 4px 24px rgba(46, 107, 255, 0.45);
            transform: translateY(-1px);
        }

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

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-1) !important;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
        }

        .btn-ghost:hover {
            border-color: var(--cyan);
            box-shadow: 0 0 16px rgba(0, 229, 204, 0.2);
            background: rgba(0, 229, 204, 0.06);
            color: var(--cyan) !important;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 14px;
        }

        /* ---------- Breadcrumb ---------- */
        .breadcrumb-section {
            padding-top: 112px;
            padding-bottom: 0;
            background: linear-gradient(180deg, rgba(13, 20, 40, 0.6) 0%, var(--bg-main) 100%);
            position: relative;
            z-index: 1;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-3);
            margin-bottom: 24px;
        }

        .breadcrumb-custom a {
            color: var(--text-2);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.3s ease;
        }

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

        .breadcrumb-custom i {
            font-size: 10px;
            color: var(--text-3);
        }

        .breadcrumb-custom span {
            color: var(--cyan);
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            display: inline-block;
            vertical-align: bottom;
        }

        /* ---------- Article Hero ---------- */
        .article-hero {
            padding: 32px 0 48px;
            background: linear-gradient(135deg, rgba(13, 20, 40, 0.7) 0%, var(--bg-main) 70%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(0, 229, 204, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .article-title {
            font-size: clamp(26px, 4vw, 42px);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--text-1);
            margin-bottom: 20px;
            max-width: 860px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            margin-bottom: 24px;
            font-size: 14px;
            color: var(--text-2);
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .meta-item i {
            color: var(--cyan);
            font-size: 13px;
        }

        .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 229, 204, 0.1);
            border: 1px solid rgba(0, 229, 204, 0.25);
            color: var(--cyan);
            font-size: 13px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
        }

        .article-summary {
            font-size: 16px;
            color: var(--text-2);
            line-height: 1.8;
            max-width: 760px;
            border-left: 3px solid var(--cyan);
            padding-left: 20px;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ---------- Article Body ---------- */
        .article-main {
            padding: 56px 0 72px;
            background: var(--bg-main);
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto;
        }

        .article-body p {
            line-height: 1.8;
            margin-bottom: 1.5em;
            color: var(--text-1);
            font-size: 16.5px;
        }

        .article-body h2 {
            font-size: clamp(20px, 2.5vw, 26px);
            font-weight: 700;
            margin-top: 40px;
            margin-bottom: 16px;
            color: var(--text-1);
            position: relative;
            padding-left: 16px;
        }

        .article-body h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: var(--cyan);
            box-shadow: 0 0 12px rgba(0, 229, 204, 0.5);
        }

        .article-body h3 {
            font-size: clamp(18px, 2vw, 22px);
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            color: var(--text-1);
        }

        .article-body img {
            border-radius: var(--radius-lg);
            margin: 28px 0;
            box-shadow: var(--shadow-card);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .article-body blockquote {
            border-left: 4px solid var(--cyan);
            background: rgba(0, 229, 204, 0.06);
            border-radius: 0 12px 12px 0;
            padding: 20px 24px;
            margin: 28px 0;
            color: var(--text-2);
            font-style: italic;
            line-height: 1.7;
        }

        .article-body blockquote p {
            margin-bottom: 0;
            color: var(--text-2);
        }

        .article-body ul,
        .article-body ol {
            margin: 20px 0;
            padding-left: 28px;
            color: var(--text-1);
            line-height: 1.8;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body ul li::marker {
            color: var(--cyan);
        }

        .article-body ol li::marker {
            color: var(--cyan);
            font-weight: 600;
        }

        .article-body a {
            color: var(--cyan);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-body a:hover {
            text-decoration-color: var(--blue);
        }

        .article-body table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin: 28px 0;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-body table th,
        .article-body table td {
            padding: 12px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            text-align: left;
        }

        .article-body table th {
            background: var(--bg-alt);
            color: var(--cyan);
            font-weight: 600;
            font-size: 14px;
        }

        .article-body table td {
            color: var(--text-2);
            font-size: 14.5px;
        }

        .article-body table tr:last-child td {
            border-bottom: none;
        }

        .article-body hr {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin: 40px 0;
        }

        /* ---------- Article Empty ---------- */
        .article-empty {
            max-width: 600px;
            margin: 0 auto;
            text-align: center;
            padding: 72px 40px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            box-shadow: var(--shadow-card);
        }

        .article-empty i {
            font-size: 40px;
            color: var(--text-3);
            margin-bottom: 20px;
            display: block;
        }

        .article-empty h3 {
            font-size: 22px;
            color: var(--text-1);
            margin-bottom: 12px;
        }

        .article-empty p {
            color: var(--text-2);
            margin-bottom: 24px;
        }

        /* ---------- Related Section ---------- */
        .related-section {
            padding: 72px 0;
            background: var(--bg-alt);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .section-title {
            font-size: clamp(24px, 3vw, 38px);
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-1);
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            color: var(--text-2);
            font-size: 16px;
            margin-bottom: 36px;
            max-width: 560px;
        }

        .related-card {
            display: block;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
            position: relative;
        }

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

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

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

        .related-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-1);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .related-card-body h3 i {
            color: var(--cyan);
            font-size: 14px;
        }

        .related-card-body p {
            color: var(--text-2);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .related-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--cyan);
            font-size: 14px;
            font-weight: 500;
            transition: gap 0.3s ease;
        }

        .related-card:hover .related-link {
            gap: 10px;
        }

        /* ---------- Article Back Link ---------- */
        .article-back {
            text-align: center;
            margin-top: 40px;
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
        }

        .article-back a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-2);
            font-size: 14px;
            transition: color 0.3s ease, gap 0.3s ease;
        }

        .article-back a:hover {
            color: var(--cyan);
            gap: 12px;
        }

        /* ---------- CTA Section ---------- */
        .cta-section {
            padding: 88px 0;
            background: radial-gradient(ellipse at center, rgba(0, 229, 204, 0.12) 0%, rgba(10, 15, 31, 0.95) 70%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(0, 229, 204, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 229, 204, 0.04) 1px, transparent 1px);
            background-size: 44px 44px;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: clamp(26px, 3.5vw, 40px);
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .cta-section p {
            color: var(--text-2);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 28px;
        }

        .site-footer .row {
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-1);
            display: flex;
            align-items: center;
            gap: 4px;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .footer-brand i {
            color: var(--cyan);
        }

        .footer-brand span {
            color: var(--cyan);
            font-weight: 400;
            font-size: 20px;
        }

        .site-footer p {
            color: var(--text-3);
            font-size: 14px;
            line-height: 1.7;
            max-width: 300px;
            margin-bottom: 0;
        }

        .site-footer h5 {
            color: var(--text-1);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-2);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--cyan);
            padding-left: 4px;
        }

        .footer-links a i {
            font-size: 12px;
            color: var(--text-3);
            transition: color 0.3s ease;
        }

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

        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            text-align: center;
            color: var(--text-3);
            font-size: 13px;
            line-height: 1.6;
        }

        /* ---------- Mobile Bottom Tab ---------- */
        .mobile-bottom-tab {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(10, 15, 31, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-around;
            align-items: stretch;
            height: 60px;
            padding-bottom: env(safe-area-inset-bottom);
        }

        .bottom-tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            color: var(--text-2) !important;
            font-size: 11px;
            font-weight: 500;
            position: relative;
            transition: color 0.3s ease, background 0.3s ease;
        }

        .bottom-tab-item i {
            font-size: 20px;
            transition: color 0.3s ease, filter 0.3s ease;
        }

        .bottom-tab-item:hover {
            color: var(--cyan) !important;
        }

        .bottom-tab-item.active {
            color: var(--cyan) !important;
        }

        .bottom-tab-item.active::before {
            content: '';
            position: absolute;
            top: 0;
            left: 30%;
            right: 30%;
            height: 2px;
            background: var(--cyan);
            border-radius: 0 0 4px 4px;
            box-shadow: 0 0 10px rgba(0, 229, 204, 0.7);
        }

        .bottom-tab-item.active i {
            filter: drop-shadow(0 0 8px rgba(0, 229, 204, 0.6));
            color: var(--cyan);
        }

        /* ---------- Responsive ---------- */
        @media (max-width: 991.98px) {
            .desktop-nav {
                display: none !important;
            }

            .site-header .navbar .btn-brand {
                display: none;
            }

            .site-header .navbar {
                justify-content: flex-start;
            }

            .breadcrumb-section {
                padding-top: 92px;
            }

            .article-hero {
                padding: 24px 0 36px;
            }

            .mobile-bottom-tab {
                display: flex;
            }

            body {
                padding-bottom: 60px;
            }
        }

        @media (min-width: 992px) {
            .mobile-bottom-tab {
                display: none;
            }

            .desktop-nav {
                display: flex;
            }
        }

        @media (max-width: 767.98px) {
            .article-hero {
                padding: 20px 0 32px;
            }

            .article-title {
                font-size: 24px;
                line-height: 1.35;
            }

            .article-meta {
                gap: 14px;
                font-size: 13px;
            }

            .article-summary {
                font-size: 14.5px;
                line-height: 1.7;
                padding-left: 16px;
            }

            .article-main {
                padding: 40px 0 52px;
            }

            .article-body p {
                font-size: 15.5px;
                line-height: 1.75;
            }

            .article-body h2 {
                font-size: 20px;
                margin-top: 32px;
            }

            .related-section {
                padding: 48px 0 56px;
            }

            .cta-section {
                padding: 60px 0;
            }

            .cta-section h2 {
                font-size: 24px;
            }

            .footer-brand {
                font-size: 20px;
            }

            .footer-brand span {
                font-size: 18px;
            }

            .breadcrumb-custom span {
                max-width: 160px;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-logo {
                font-size: 19px;
            }

            .brand-logo i {
                font-size: 17px;
            }

            .article-title {
                font-size: 22px;
            }

            .article-meta {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 12px 16px;
            }

            .btn-lg {
                width: 100%;
                padding: 13px 24px;
                font-size: 15px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
                padding: 0 16px;
            }

            .cta-buttons .btn-lg {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --bg-main: #0A0F1F;
            --bg-alt: #0D1428;
            --bg-footer: #070B16;
            --primary: #2E6BFF;
            --cyan: #00E5CC;
            --amber: #FFC03A;
            --text-main: #E6ECFF;
            --text-sub: #8A94B8;
            --text-muted: #5A6790;
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(255, 255, 255, 0.10);
            --hover-border: rgba(0, 229, 204, 0.45);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.45);
            --shadow-cyan: 0 0 24px rgba(0, 229, 204, 0.15);
            --transition: 0.3s ease;
            --font-primary: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: ui-monospace, Consolas, "Courier New", monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-primary);
            background-color: var(--bg-main);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% -10%, rgba(46, 107, 255, 0.18), transparent 60%),
                radial-gradient(ellipse at 80% 40%, rgba(0, 229, 204, 0.06), transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

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

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1320px;
            position: relative;
            z-index: 1;
        }

        section {
            position: relative;
            z-index: 1;
            padding-block: 96px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            letter-spacing: 0.08em;
            color: var(--cyan);
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .section-label i {
            font-size: 12px;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 38px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 640px;
            line-height: 1.7;
        }

        /* ==== Header ==== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: rgba(10, 15, 31, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header .navbar {
            min-height: 64px;
            padding-block: 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .brand-logo i {
            color: var(--cyan);
            font-size: 20px;
        }

        .brand-logo:hover {
            color: var(--text-main);
        }

        .desktop-nav {
            gap: 4px;
        }

        .desktop-nav .nav-link-custom {
            padding: 8px 18px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .desktop-nav .nav-link-custom::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--cyan);
            box-shadow: 0 0 8px rgba(0, 229, 204, 0.56);
            transition: width var(--transition);
        }

        .desktop-nav .nav-link-custom:hover,
        .desktop-nav .nav-link-custom.active {
            color: var(--cyan);
        }

        .desktop-nav .nav-link-custom:hover::after,
        .desktop-nav .nav-link-custom.active::after {
            width: 20px;
        }

        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 8px 24px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary) 0%, var(--cyan) 100%);
            border: none;
            transition: box-shadow var(--transition), transform var(--transition), filter var(--transition);
            white-space: nowrap;
        }

        .btn-brand:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(46, 107, 255, 0.36);
            filter: brightness(1.08);
        }

        .btn-brand-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 28px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        .btn-brand-outline:hover {
            border-color: var(--hover-border);
            color: var(--cyan);
            transform: translateY(-2px);
            box-shadow: var(--shadow-cyan);
        }

        /* ==== Mobile Bottom Tabs ==== */
        .mobile-bottom-tabs {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: rgba(10, 15, 31, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-around;
            align-items: stretch;
            z-index: 1030;
            padding: 0 4px;
        }

        .mobile-bottom-tabs .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 12px;
            color: var(--text-sub);
            text-decoration: none;
            position: relative;
            transition: color var(--transition);
        }

        .mobile-bottom-tabs .tab-item i {
            font-size: 18px;
            line-height: 1;
            margin-bottom: 2px;
        }

        .mobile-bottom-tabs .tab-item span {
            font-size: 11px;
            line-height: 1;
        }

        .mobile-bottom-tabs .tab-item.active {
            color: var(--cyan);
        }

        .mobile-bottom-tabs .tab-item.active::before {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 2px;
            border-radius: 2px;
            background: var(--cyan);
            box-shadow: 0 0 10px var(--cyan);
        }

        @media (min-width: 992px) {
            .mobile-bottom-tabs {
                display: none !important;
            }
        }

        /* ==== Page Hero ==== */
        .category-hero {
            position: relative;
            padding: 72px 0 88px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 15, 31, 0.93) 0%, rgba(10, 15, 31, 0.78) 50%, rgba(10, 15, 31, 0.55) 100%);
            z-index: 1;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(1px, transparent 1px, transparent calc(100% - 1px)), linear-gradient(90deg, transparent 90%, rgba(0, 229, 204, 0.04) 100%);
            background-size: 44px 44px;
            z-index: 1;
            pointer-events: none;
        }

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

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 28px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-tag);
            display: inline-flex;
        }

        .breadcrumb-nav a {
            color: var(--text-sub);
        }

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

        .breadcrumb-nav .sep {
            color: var(--text-muted);
        }

        .breadcrumb-nav span {
            color: var(--cyan);
        }

        .category-hero h1 {
            font-size: clamp(30px, 5vw, 54px);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-main);
            max-width: 720px;
            letter-spacing: 0.01em;
        }

        .category-hero .hero-lead {
            font-size: 17px;
            color: var(--text-sub);
            line-height: 1.75;
            max-width: 600px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ==== Trust Stats ==== */
        .trust-stats-section {
            padding-block: 48px;
            background: var(--bg-alt);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .stat-item {
            text-align: center;
            padding: 20px 12px;
        }

        .stat-item .stat-number {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 700;
            color: var(--text-main);
            font-family: var(--font-mono);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-item .stat-number em {
            font-style: normal;
            color: var(--cyan);
            font-size: 0.72em;
            margin-left: 2px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        /* ==== Game Cards ==== */
        .game-center-section {
            padding-block: 96px;
        }

        .game-center-section .section-head {
            margin-bottom: 40px;
        }

        .game-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            position: relative;
        }

        .game-card:hover {
            transform: translateY(-4px);
            border-color: var(--hover-border);
            box-shadow: var(--shadow-hover), var(--shadow-cyan);
        }

        .game-card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: linear-gradient(135deg, #0D1428, #1A2440);
        }

        .game-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .game-card:hover .game-card-cover img {
            transform: scale(1.03);
        }

        .game-card-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 15, 31, 0.55) 100%);
        }

        .game-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            background: linear-gradient(135deg, rgba(255, 192, 58, 0.92), rgba(255, 152, 0, 0.88));
            color: #1a1406;
            box-shadow: 0 4px 16px rgba(255, 192, 58, 0.28);
        }

        .game-badge.cyan {
            background: linear-gradient(135deg, rgba(0, 229, 204, 0.88), rgba(0, 200, 180, 0.88));
            color: #041413;
            box-shadow: 0 4px 16px rgba(0, 229, 204, 0.22);
        }

        .game-card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .game-name-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .online-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--cyan);
            box-shadow: 0 0 8px var(--cyan);
            flex-shrink: 0;
        }

        .game-name-row h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0;
            line-height: 1.3;
        }

        .game-card-body>p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
        }

        .game-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .game-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            color: rgba(0, 229, 204, 0.78);
            background: rgba(0, 229, 204, 0.07);
            border: 1px solid rgba(0, 229, 204, 0.16);
        }

        .game-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 14px;
        }

        .game-rating {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            color: var(--amber);
            font-weight: 600;
        }

        .game-rating i {
            font-size: 12px;
        }

        .game-enter-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--cyan);
            transition: gap var(--transition);
        }

        .game-enter-link:hover {
            gap: 10px;
            color: var(--cyan);
        }

        .game-enter-link i {
            font-size: 12px;
        }

        /* Wide card horizontal */
        .game-card-wider {
            flex-direction: row;
        }

        .game-card-wider .game-card-cover {
            width: 42%;
            aspect-ratio: auto;
            min-height: 100%;
            flex-shrink: 0;
        }

        .game-card-wider .game-card-body {
            width: 58%;
            padding: 26px 28px;
        }

        .game-card-wider .game-name-row h3 {
            font-size: 22px;
        }

        .game-card-wider .game-card-body>p {
            font-size: 15px;
            line-height: 1.7;
        }

        .game-card-wider .game-tags {
            margin-bottom: 18px;
        }

        /* ==== Features ==== */
        .feature-section {
            background: var(--bg-alt);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .feature-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

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

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 229, 204, 0.08);
            border: 1px solid rgba(0, 229, 204, 0.15);
            color: var(--cyan);
            font-size: 20px;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            margin: 0;
        }

        /* ==== Process ==== */
        .process-section {
            padding-block: 96px;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-top: 44px;
            position: relative;
        }

        .process-steps::before {
            content: "";
            position: absolute;
            top: 28px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, rgba(46, 107, 255, 0.5), rgba(0, 229, 204, 0.5));
            border-radius: 2px;
            z-index: 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-step .step-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-size: 22px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(10px);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .process-step:hover .step-icon {
            border-color: var(--hover-border);
            box-shadow: 0 0 28px rgba(0, 229, 204, 0.18);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-main);
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.55;
            max-width: 180px;
            margin: 0 auto;
        }

        /* ==== FAQ ==== */
        .faq-section {
            background: var(--bg-alt);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .faq-accordion {
            max-width: 760px;
            margin: 40px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-accordion .accordion-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border) !important;
            border-radius: var(--radius-lg) !important;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--hover-border) !important;
            box-shadow: var(--shadow-cyan);
        }

        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 500;
            padding: 20px 24px;
            box-shadow: none;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .faq-accordion .accordion-button::after {
            display: none;
        }

        .faq-accordion .accordion-button::before {
            content: "+";
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 400;
            color: var(--cyan);
            position: absolute;
            right: 22px;
            top: 50%;
            transform: translateY(-50%);
            transition: transform 0.3s ease;
            line-height: 1;
        }

        .faq-accordion .accordion-button:not(.collapsed)::before {
            transform: translateY(-50%) rotate(45deg);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border: none;
            outline: 2px solid var(--cyan);
            outline-offset: -2px;
        }

        .faq-accordion .accordion-body {
            background: transparent;
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.7;
            padding: 0 24px 20px;
        }

        /* ==== CTA ==== */
        .cta-section {
            position: relative;
            padding-block: 80px;
            background: radial-gradient(ellipse at center, rgba(0, 229, 204, 0.12) 0%, var(--bg-main) 68%);
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(0, 229, 204, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 229, 204, 0.05) 1px, transparent 1px);
            background-size: 42px 42px;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: clamp(24px, 3.4vw, 40px);
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.25;
        }

        .cta-section p {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            border: none;
            box-shadow: 0 8px 28px rgba(0, 229, 204, 0.3);
            transition: box-shadow var(--transition), transform var(--transition), filter var(--transition);
        }

        .btn-cta-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(0, 229, 204, 0.4);
            filter: brightness(1.06);
        }

        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.14);
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .btn-cta-secondary:hover {
            border-color: var(--hover-border);
            color: var(--cyan);
            transform: translateY(-2px);
            box-shadow: var(--shadow-cyan);
        }

        /* ==== Footer ==== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 28px;
        }

        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }

        .site-footer .footer-brand span {
            color: var(--cyan);
            margin-left: 2px;
        }

        .site-footer p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 280px;
            margin-bottom: 0;
        }

        .site-footer h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .site-footer .footer-links a {
            font-size: 14px;
            color: var(--text-sub);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-copyright {
            margin-top: 44px;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
            line-height: 1.6;
        }

        /* ==== Responsive ==== */
        @media (max-width: 991.98px) {
            .desktop-nav {
                display: none !important;
            }

            .site-header .navbar .btn-brand {
                display: none;
            }

            .site-header .navbar {
                min-height: 56px;
            }

            .brand-logo {
                font-size: 18px;
                margin-right: auto;
            }

            section {
                padding-block: 56px;
            }

            .category-hero {
                padding: 48px 0 64px;
            }

            .category-hero h1 {
                font-size: 30px;
            }

            .category-hero .hero-lead {
                font-size: 15px;
            }

            .game-center-section {
                padding-block: 56px;
            }

            .game-center-section .section-head {
                margin-bottom: 28px;
            }

            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 20px;
            }

            .process-steps::before {
                display: none;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr) !important;
                gap: 16px;
            }

            .game-card-wider {
                flex-direction: column;
            }

            .game-card-wider .game-card-cover {
                width: 100%;
                aspect-ratio: 16 / 10;
                min-height: auto;
            }

            .game-card-wider .game-card-body {
                width: 100%;
                padding: 20px;
            }

            body {
                padding-bottom: 60px;
            }
        }

        @media (max-width: 575.98px) {
            .category-hero h1 {
                font-size: 26px;
            }

            .category-hero .hero-actions .btn-brand-outline {
                padding: 10px 20px;
                font-size: 13px;
            }

            .category-hero .hero-actions .btn-brand {
                padding: 10px 22px;
                font-size: 13px;
            }

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr) !important;
                gap: 12px;
            }

            .stat-item {
                padding: 12px 8px;
            }

            .stat-item .stat-number {
                font-size: 24px;
            }

            .stat-item .stat-label {
                font-size: 12px;
            }

            .game-card-body {
                padding: 16px;
            }

            .game-card-wider .game-card-body {
                padding: 16px;
            }

            .cta-actions .btn-cta-primary,
            .cta-actions .btn-cta-secondary {
                width: 100%;
                justify-content: center;
            }

            .process-steps {
                gap: 20px 14px;
            }

            .process-step .step-icon {
                width: 48px;
                height: 48px;
                font-size: 18px;
            }

            .section-title {
                font-size: 24px;
            }

            .section-subtitle {
                font-size: 14px;
            }

            .site-footer {
                padding-top: 48px;
            }

            .footer-copyright {
                font-size: 12px;
                padding-inline: 12px;
            }

            .breadcrumb-nav {
                margin-bottom: 20px;
                padding: 4px 14px;
                font-size: 12px;
            }
        }

        @media (min-width: 576px) and (max-width: 767.98px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 400px) {
            .category-hero h1 {
                font-size: 23px;
            }

            .stat-item .stat-number {
                font-size: 20px;
            }

            .game-card-footer {
                flex-direction: column;
                gap: 10px;
                align-items: flex-start;
            }
        }

        @media (min-width: 992px) {
            .desktop-nav {
                display: flex !important;
            }
        }

        /* Focus visible */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* Placeholder */
        ::placeholder {
            color: var(--text-muted);
        }

        input:focus {
            border-color: rgba(0, 229, 204, 0.8);
            box-shadow: 0 0 0 4px rgba(0, 229, 204, 0.15);
            outline: none;
        }

/* roulang page: category3 */
:root {
            --bg-deep: #070B16;
            --bg-main: #0A0F1F;
            --bg-alt: #0D1428;
            --blue: #2E6BFF;
            --cyan: #00E5CC;
            --amber: #FFC03A;
            --text-1: #E6ECFF;
            --text-2: #8A94B8;
            --text-3: #5A6790;
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(255, 255, 255, 0.10);
            --glass-border-hover: rgba(0, 229, 204, 0.45);
            --radius-lg: 16px;
            --radius-btn: 12px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.45), 0 0 24px rgba(0, 229, 204, 0.15);
            --grad-btn: linear-gradient(135deg, #2E6BFF 0%, #00E5CC 100%);
            --font-main: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-main);
            color: var(--text-1);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1320px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(10, 15, 31, 0.85);
            -webkit-backdrop-filter: blur(20px);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-1);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .brand-logo i {
            color: var(--cyan);
            font-size: 26px;
        }

        .brand-logo:hover {
            color: var(--cyan);
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link-custom {
            display: inline-block;
            padding: 8px 18px;
            color: var(--text-2);
            font-size: 15px;
            font-weight: 500;
            border-radius: 8px;
            position: relative;
            transition: all 0.3s ease;
        }

        .nav-link-custom:hover {
            color: var(--cyan);
        }

        .nav-link-custom::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 229, 204, 0.6);
            transition: width 0.3s ease;
        }

        .nav-link-custom:hover::after,
        .nav-link-custom.active::after {
            width: 60%;
        }

        .nav-link-custom.active {
            color: var(--cyan);
        }

        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 24px;
            background: var(--grad-btn);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(46, 107, 255, 0.3);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0, 229, 204, 0.3);
            color: #fff;
        }

        .btn-brand:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
        }

        /* 移动端只保留 logo + 小按钮 */
        @media (max-width: 991.98px) {
            .desktop-nav {
                display: none !important;
            }

            .btn-brand {
                padding: 8px 16px;
                font-size: 14px;
            }
        }

        /* ===== 底部 Tab 导航 ===== */
        .mobile-bottom-tab {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: rgba(10, 15, 31, 0.95);
            -webkit-backdrop-filter: blur(20px);
            backdrop-filter: blur(20px);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: none;
            align-items: center;
            justify-content: space-around;
            padding: 0 8px;
            z-index: 1050;
        }

        .mobile-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            padding: 6px 10px;
            color: var(--text-3);
            font-size: 11px;
            border-radius: 10px;
            position: relative;
            min-width: 60px;
            transition: all 0.3s ease;
        }

        .mobile-tab-item i {
            font-size: 20px;
            line-height: 1;
        }

        .mobile-tab-item.active {
            color: var(--cyan);
        }

        .mobile-tab-item.active::before {
            content: "";
            position: absolute;
            top: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 2px;
            background: var(--cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 229, 204, 0.6);
        }

        @media (max-width: 991.98px) {
            .mobile-bottom-tab {
                display: flex;
            }

            body {
                padding-bottom: 80px;
            }
        }

        /* ===== Banner ===== */
        .category-banner {
            position: relative;
            padding: 96px 0 56px;
            background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-alt) 100%);
            overflow: hidden;
        }

        .category-banner .container {
            position: relative;
            z-index: 2;
        }

        .category-banner::before {
            content: "";
            position: absolute;
            top: -40%;
            left: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(46, 107, 255, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-banner::after {
            content: "";
            position: absolute;
            bottom: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 229, 204, 0.10) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-banner .breadcrumb-line {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-3);
            margin-bottom: 20px;
        }

        .category-banner .breadcrumb-line a {
            color: var(--text-3);
        }

        .category-banner .breadcrumb-line a:hover {
            color: var(--cyan);
        }

        .category-banner .breadcrumb-line .separator {
            color: var(--text-3);
            opacity: 0.6;
        }

        .category-banner .breadcrumb-line .current {
            color: var(--text-1);
        }

        .category-banner .banner-title {
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .category-banner .banner-title .highlight {
            color: var(--cyan);
        }

        .category-banner .banner-subtitle {
            font-size: 17px;
            color: var(--text-2);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ===== 帮助中心主体 ===== */
        .help-main {
            padding: 0 0 96px;
            background: var(--bg-main);
        }

        .help-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 40px;
            margin-top: 0;
        }

        .help-sidebar {
            position: sticky;
            top: 96px;
            height: fit-content;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
        }

        .help-sidebar .sidebar-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-1);
            padding: 0 12px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 16px;
        }

        .help-sidebar .sidebar-actions {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .sidebar-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 10px;
            color: var(--text-2);
            font-size: 15px;
            font-weight: 500;
            background: transparent;
            border: 1px solid transparent;
            transition: all 0.3s ease;
            cursor: pointer;
            text-align: left;
            width: 100%;
        }

        .sidebar-link i {
            width: 20px;
            text-align: center;
            color: var(--text-3);
            font-size: 16px;
            transition: color 0.3s ease;
        }

        .sidebar-link:hover {
            color: var(--cyan);
            background: rgba(0, 229, 204, 0.06);
            border-color: rgba(0, 229, 204, 0.2);
        }

        .sidebar-link:hover i {
            color: var(--cyan);
        }

        .sidebar-link.active {
            color: var(--cyan);
            background: rgba(0, 229, 204, 0.08);
            border-color: rgba(0, 229, 204, 0.25);
        }

        .sidebar-link.active i {
            color: var(--cyan);
        }

        .sidebar-contact {
            margin-top: 24px;
            padding: 20px 16px;
            background: rgba(46, 107, 255, 0.08);
            border: 1px solid rgba(46, 107, 255, 0.2);
            border-radius: 12px;
            text-align: center;
        }

        .sidebar-contact .contact-icon {
            width: 44px;
            height: 44px;
            margin: 0 auto 12px;
            background: var(--grad-btn);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
        }

        .sidebar-contact h6 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 6px;
        }

        .sidebar-contact p {
            font-size: 13px;
            color: var(--text-3);
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .sidebar-contact .contact-link {
            font-size: 13px;
            color: var(--cyan);
            font-weight: 600;
        }

        .sidebar-contact .contact-link:hover {
            text-decoration: underline;
        }

        .help-content {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .help-block {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 36px;
            transition: all 0.3s ease;
        }

        .help-block:hover {
            border-color: var(--glass-border-hover);
            box-shadow: var(--shadow-hover);
        }

        .help-block .block-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 24px;
        }

        .help-block .block-header .block-icon {
            width: 48px;
            height: 48px;
            background: rgba(0, 229, 204, 0.1);
            border: 1px solid rgba(0, 229, 204, 0.25);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-size: 20px;
            flex-shrink: 0;
        }

        .help-block .block-header .block-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-1);
            margin: 0;
            line-height: 1.3;
        }

        .help-block .block-header .block-desc {
            font-size: 14px;
            color: var(--text-3);
            margin-top: 4px;
        }

        .help-block .divider {
            height: 1px;
            background: linear-gradient(90deg, rgba(0, 229, 204, 0.3), rgba(255, 255, 255, 0.05), rgba(46, 107, 255, 0.3));
            margin-bottom: 24px;
        }

        .help-block .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .help-faq-item {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .help-faq-item.open {
            border-color: rgba(0, 229, 204, 0.35);
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-1);
            background: transparent;
            border: none;
            text-align: left;
            width: 100%;
            transition: background 0.3s ease;
        }

        .faq-q:hover {
            background: rgba(0, 229, 204, 0.03);
        }

        .faq-q .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            background: rgba(0, 229, 204, 0.1);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-size: 13px;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .help-faq-item.open .faq-icon {
            background: var(--grad-btn);
            color: #fff;
        }

        .help-faq-item.open .faq-icon i {
            transform: rotate(180deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.8;
        }

        .help-faq-item.open .faq-a {
            max-height: 400px;
            padding-bottom: 20px;
        }

        .help-block .solution-steps {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 24px;
        }

        .solution-step {
            display: flex;
            gap: 16px;
        }

        .solution-step .step-num {
            width: 32px;
            height: 32px;
            background: rgba(46, 107, 255, 0.12);
            border: 1px solid rgba(46, 107, 255, 0.35);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--blue);
            flex-shrink: 0;
        }

        .solution-step .step-text {
            font-size: 15px;
            color: var(--text-2);
            line-height: 1.7;
        }

        .solution-step .step-text strong {
            color: var(--text-1);
            font-weight: 600;
        }

        /* 安全检测卡片 */
        .security-check-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
            margin-top: 20px;
        }

        .security-check-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            padding: 24px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .security-check-card:hover {
            border-color: rgba(0, 229, 204, 0.3);
            transform: translateY(-3px);
        }

        .security-check-card .check-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            background: rgba(0, 229, 204, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-size: 20px;
        }

        .security-check-card h6 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-1);
            margin-bottom: 8px;
        }

        .security-check-card p {
            font-size: 13px;
            color: var(--text-3);
            line-height: 1.5;
            margin: 0;
        }

        /* 操作指引 */
        .guide-item {
            display: flex;
            gap: 20px;
            padding: 24px;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            margin-bottom: 16px;
            transition: all 0.3s ease;
        }

        .guide-item:hover {
            border-color: rgba(0, 229, 204, 0.3);
            background: rgba(0, 229, 204, 0.03);
        }

        .guide-item .guide-icon {
            width: 44px;
            height: 44px;
            background: rgba(46, 107, 255, 0.12);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--blue);
            flex-shrink: 0;
        }

        .guide-item .guide-content h5 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-1);
            margin-bottom: 6px;
        }

        .guide-item .guide-content p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.6;
            margin: 0;
        }

        /* CTA 区块 */
        .help-cta {
            margin-top: 40px;
            background: var(--bg-alt);
            border-radius: var(--radius-lg);
            padding: 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .help-cta::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 229, 204, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .help-cta .cta-title {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }

        .help-cta .cta-desc {
            font-size: 16px;
            color: var(--text-2);
            max-width: 600px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
        }

        .help-cta .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-deep);
            padding: 72px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 16px;
        }

        .site-footer .footer-brand span {
            color: var(--cyan);
        }

        .site-footer p {
            font-size: 14px;
            color: var(--text-3);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .site-footer h5 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-1);
            margin-bottom: 18px;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .site-footer .footer-links a {
            font-size: 14px;
            color: var(--text-2);
            transition: all 0.3s ease;
        }

        .site-footer .footer-links a:hover {
            color: var(--cyan);
            padding-left: 4px;
        }

        .site-footer .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 48px;
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-3);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .category-banner {
                padding: 60px 0 40px;
            }

            .help-main {
                padding-bottom: 64px;
            }

            .help-layout {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .help-sidebar {
                position: static;
                margin-bottom: 24px;
                padding: 16px;
            }

            .sidebar-actions {
                flex-direction: row !important;
                flex-wrap: wrap;
                gap: 8px !important;
            }

            .sidebar-link {
                width: calc(50% - 8px);
                padding: 10px 14px;
                font-size: 14px;
            }

            .sidebar-link i {
                font-size: 14px;
                width: 18px;
            }

            .sidebar-contact {
                display: none;
            }

            .help-block {
                padding: 28px 20px;
            }
        }

        @media (max-width: 767.98px) {
            .category-banner .banner-title {
                font-size: 28px;
            }

            .category-banner .banner-subtitle {
                font-size: 15px;
            }

            .sidebar-link {
                width: 100%;
            }
        }

        @media (max-width: 575.98px) {
            .help-cta {
                padding: 32px 20px;
            }

            .help-cta .cta-buttons .btn-brand {
                width: 100%;
            }
        }

        /* 可访问性 */
        :focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
        }

/* roulang page: category2 */
:root{
  --bg-page:#0A0F1F;
  --bg-footer:#070B16;
  --bg-alt:#0D1428;
  --primary:#2E6BFF;
  --cyan:#00E5CC;
  --amber:#FFC03A;
  --text-1:#E6ECFF;
  --text-2:#8A94B8;
  --text-3:#5A6790;
  --glass-bg:rgba(255,255,255,0.04);
  --glass-border:rgba(255,255,255,0.10);
  --glass-border-hover:rgba(0,229,204,0.45);
  --btn-gradient:linear-gradient(135deg,#2E6BFF 0%,#00E5CC 100%);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-card:0 8px 32px rgba(0,0,0,0.35);
  --shadow-hover:0 16px 48px rgba(0,0,0,0.45),0 0 24px rgba(0,229,204,0.15);
  --space-section:96px;
  --space-section-mobile:56px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-page);
  color:var(--text-1);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .3s ease}
a:hover{color:var(--cyan)}
.container{max-width:1320px;padding-inline:24px}
@media(max-width:576px){.container{padding-inline:16px}}
h1,h2,h3,h4,h5,h6{color:var(--text-1);line-height:1.3;font-weight:700}
h1{font-size:clamp(30px,5vw,54px)}
h2{font-size:clamp(24px,3vw,38px)}
h3{font-size:clamp(18px,1.6vw,22px)}
h5{font-size:16px;font-weight:600}
p{color:var(--text-2);line-height:1.75}
section{padding-block:var(--space-section)}
@media(max-width:768px){section{padding-block:var(--space-section-mobile)}}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--btn-gradient);color:#fff;font-weight:600;
  padding:10px 24px;border-radius:var(--radius-md);border:none;
  transition:all .3s ease;text-decoration:none;box-shadow:0 4px 20px rgba(46,107,255,0.3);
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(0,229,204,0.4);color:#fff}
.btn-outline-custom{
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;color:var(--text-1);font-weight:600;
  padding:10px 24px;border-radius:var(--radius-md);border:1px solid var(--glass-border);
  transition:all .3s ease;text-decoration:none;
}
.btn-outline-custom:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.06);color:var(--text-1);font-weight:600;
  padding:10px 24px;border-radius:var(--radius-md);border:1px solid var(--glass-border);
  transition:all .3s ease;text-decoration:none;
}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(0,229,204,0.06)}
.btn-glow{
  box-shadow:0 0 20px rgba(0,229,204,0.25),0 4px 20px rgba(46,107,255,0.4);
}
.btn-glow:hover{box-shadow:0 0 40px rgba(0,229,204,0.45),0 8px 32px rgba(46,107,255,0.5)}

/* ===== HEADER ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(10,15,31,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  height:64px;
}
.site-header .navbar{
  height:64px;display:flex;align-items:center;justify-content:space-between;
  padding:0;
}
.brand-logo{
  display:flex;align-items:center;gap:8px;font-size:20px;font-weight:700;
  color:var(--text-1);text-decoration:none;
}
.brand-logo i{color:var(--cyan);font-size:22px}
.brand-logo:hover{color:var(--cyan)}
.desktop-nav{display:flex;align-items:center;gap:4px}
.nav-link-custom{
  display:inline-block;padding:8px 16px;color:var(--text-2);
  font-size:15px;font-weight:500;border-radius:var(--radius-md);
  transition:all .3s ease;position:relative;text-decoration:none;
}
.nav-link-custom::after{
  content:'';position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--cyan);border-radius:2px;transform:scaleX(0);
  transition:transform .3s ease;box-shadow:0 0 12px rgba(0,229,204,0.6);
}
.nav-link-custom:hover{color:var(--cyan);background:rgba(0,229,204,0.05)}
.nav-link-custom:hover::after{transform:scaleX(1)}
.nav-link-custom.active{color:var(--cyan);font-weight:600}
.nav-link-custom.active::after{transform:scaleX(1)}
@media(max-width:991px){
  .desktop-nav{display:none}
  .site-header .btn-brand{display:none}
  .site-header{height:56px}
  .site-header .navbar{height:56px}
}
@media(min-width:992px){
  .mobile-top-actions{display:none}
}
.mobile-top-actions .btn-brand{
  padding:8px 16px;font-size:13px;border-radius:10px;
}

/* ===== MOBILE BOTTOM NAV ===== */
.mobile-bottom-nav{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:1030;
  background:rgba(7,11,22,0.95);backdrop-filter:blur(20px);
  border-top:1px solid rgba(255,255,255,0.06);
  height:60px;padding:0 4px;
}
.bottom-nav-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:var(--text-3);font-size:11px;text-decoration:none;position:relative;
  transition:color .3s ease;gap:2px;
}
.bottom-nav-item i{font-size:20px;transition:transform .3s ease}
.bottom-nav-item.active{color:var(--cyan)}
.bottom-nav-item.active::before{
  content:'';position:absolute;top:0;left:20%;right:20%;height:2px;
  background:var(--cyan);border-radius:2px;box-shadow:0 0 12px rgba(0,229,204,0.6);
}
.bottom-nav-item.active i{
  text-shadow:0 0 16px rgba(0,229,204,0.6);
  transform:translateY(-1px);
}
.bottom-nav-item:hover{color:var(--cyan)}
@media(max-width:991px){
  .mobile-bottom-nav{display:flex}
  body{padding-bottom:80px}
}

/* ===== HERO BANNER ===== */
.hero-banner{
  position:relative;padding:140px 0 80px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(10,15,31,0.3) 0%,var(--bg-page) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero-banner::before{
  content:'';position:absolute;top:-80px;left:-80px;width:400px;height:400px;
  background:radial-gradient(circle,rgba(46,107,255,0.25) 0%,transparent 70%);
  pointer-events:none;
}
.hero-banner::after{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(0,229,204,0.04) 1px,transparent 1px),
  linear-gradient(90deg,rgba(0,229,204,0.04) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.hero-banner .container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(0,229,204,0.1);border:1px solid rgba(0,229,204,0.2);
  color:var(--cyan);font-size:13px;font-weight:500;
  padding:4px 16px;border-radius:var(--radius-pill);
  backdrop-filter:blur(8px);letter-spacing:0.08em;
}
.hero-banner h1{
  margin:20px 0 16px;
  background:linear-gradient(120deg,var(--text-1) 30%,var(--cyan) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-banner .lead-text{
  font-size:18px;color:var(--text-2);max-width:640px;line-height:1.8;
}
.hero-actions{display:flex;gap:16px;margin-top:28px;flex-wrap:wrap}
.hero-tags{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--radius-pill);padding:6px 16px;
  font-size:13px;color:var(--text-2);
}
.hero-tag i{color:var(--cyan);font-size:14px}

/* ===== STATS BAR ===== */
.stats-bar{
  background:var(--bg-alt);border-top:1px solid rgba(255,255,255,0.04);
  border-bottom:1px solid rgba(255,255,255,0.04);
  padding:32px 0;margin:0;
}
.stats-bar .stat-item{
  text-align:center;padding:8px 16px;position:relative;
}
.stats-bar .stat-item+.stat-item::before{
  content:'';position:absolute;left:0;top:25%;height:50%;width:1px;
  background:linear-gradient(to bottom,transparent,rgba(255,255,255,0.12),transparent);
}
@media(max-width:767px){
  .stats-bar .stat-item+.stat-item::before{display:none}
  .stats-bar .row{row-gap:24px}
}
.stat-number{
  font-size:clamp(28px,3.5vw,42px);font-weight:800;
  background:var(--btn-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-family:ui-monospace,Consolas,monospace;
}
.stat-label{font-size:13px;color:var(--text-3);margin-top:4px;letter-spacing:0.05em}

/* ===== SECTION HEADER ===== */
.section-head{
  text-align:center;max-width:720px;margin:0 auto 56px;
}
.section-head .sub-label{
  display:inline-block;font-size:13px;color:var(--cyan);
  letter-spacing:0.1em;margin-bottom:8px;font-weight:600;
}
.section-head h2{position:relative;padding-bottom:16px}
.section-head h2::after{
  content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  width:48px;height:3px;border-radius:3px;
  background:var(--btn-gradient);
}
.section-head p{color:var(--text-2);font-size:16px;margin-top:14px}

/* ===== ALT LIST (alternating item rows) ===== */
.alt-section{
  background:var(--bg-page);
}
.alt-item{
  display:flex;align-items:center;gap:40px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:36px;
  margin-bottom:28px;
  transition:all .4s ease;position:relative;overflow:hidden;
}
.alt-item:hover{
  border-color:var(--glass-border-hover);
  box-shadow:var(--shadow-hover);
  transform:translateY(-3px);
}
.alt-item.reversed{flex-direction:row-reverse}
.alt-media{
  flex-shrink:0;width:320px;border-radius:var(--radius-md);overflow:hidden;
  position:relative;aspect-ratio:16/10;
}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.alt-item:hover .alt-media img{transform:scale(1.05)}
.alt-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(10,15,31,0.3) 100%);
}
.rank-num{
  position:absolute;top:14px;left:14px;z-index:2;
  background:rgba(10,15,31,0.75);backdrop-filter:blur(8px);
  color:var(--amber);font-weight:800;font-size:20px;
  border-radius:10px;padding:2px 12px;
  border:1px solid rgba(255,192,58,0.3);
  font-family:ui-monospace,Consolas,monospace;
}
.alt-body{flex:1;min-width:0}
.alt-type{
  font-size:13px;color:var(--cyan);letter-spacing:0.06em;font-weight:500;
  display:flex;align-items:center;gap:8px;margin-bottom:8px;
}
.alt-body h3{margin-bottom:12px;font-size:clamp(20px,2vw,26px)}
.alt-desc{color:var(--text-2);font-size:15px;line-height:1.8;margin-bottom:18px}
.alt-tags{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.alt-tag{
  display:inline-flex;align-items:center;gap:4px;
  background:rgba(46,107,255,0.1);border:1px solid rgba(46,107,255,0.2);
  color:var(--text-2);font-size:13px;border-radius:var(--radius-pill);
  padding:4px 14px;
}
.alt-tag i{color:var(--primary);font-size:12px}
.alt-meta{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;border-top:1px solid rgba(255,255,255,0.06);
  flex-wrap:wrap;gap:12px;
}
.rating-stars{color:var(--amber);font-size:14px;letter-spacing:2px}
.rating-stars span{color:var(--text-3);font-size:12px;margin-left:6px}
.alt-enter{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--cyan);font-weight:600;font-size:15px;text-decoration:none;
  transition:all .3s ease;padding:8px 20px;
  border:1px solid rgba(0,229,204,0.3);border-radius:var(--radius-pill);
  background:rgba(0,229,204,0.06);
}
.alt-enter:hover{background:rgba(0,229,204,0.12);box-shadow:0 0 20px rgba(0,229,204,0.2);color:var(--cyan)}
@media(max-width:991px){
  .alt-item{flex-direction:column;padding:24px;gap:20px}
  .alt-item.reversed{flex-direction:column}
  .alt-media{width:100%}
}

/* ===== REASON SECTION ===== */
.reason-section{background:var(--bg-alt)}
.reason-card{
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);padding:32px 28px;height:100%;
  transition:all .35s ease;position:relative;overflow:hidden;
}
.reason-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--btn-gradient);opacity:0;transition:opacity .3s ease;
}
.reason-card:hover{transform:translateY(-4px);border-color:var(--glass-border-hover);box-shadow:var(--shadow-hover)}
.reason-card:hover::before{opacity:1}
.reason-icon{
  width:56px;height:56px;border-radius:14px;
  background:rgba(0,229,204,0.1);border:1px solid rgba(0,229,204,0.2);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
}
.reason-icon i{font-size:24px;color:var(--cyan)}
.reason-card h3{font-size:18px;margin-bottom:12px}
.reason-card p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ===== FAQ SECTION ===== */
.faq-section{background:var(--bg-page)}
.accordion-glass{
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--radius-lg) !important;
  margin-bottom:12px;overflow:hidden;
  transition:all .35s ease;
}
.accordion-glass:has(.accordion-button:not(.collapsed)){
  border-color:var(--glass-border-hover);
  box-shadow:0 0 24px rgba(0,229,204,0.1);
}
.accordion-glass .accordion-button{
  background:transparent;color:var(--text-1);
  font-size:16px;font-weight:600;padding:20px 24px;
  box-shadow:none;border-radius:0 !important;
}
.accordion-glass .accordion-button:not(.collapsed){
  background:rgba(0,229,204,0.03);color:var(--cyan);
}
.accordion-glass .accordion-button:focus{
  box-shadow:none;border-color:var(--cyan);
}
.accordion-glass .accordion-button::after{
  content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;
  background-image:none;color:var(--text-3);font-size:14px;
  transition:all .3s ease;
}
.accordion-glass .accordion-button:not(.collapsed)::after{
  color:var(--cyan);transform:rotate(180deg);
}
.accordion-glass .accordion-body{
  color:var(--text-2);font-size:15px;line-height:1.8;
  padding:0 24px 24px;background:transparent;
}

/* ===== CTA SECTION ===== */
.cta-section{
  position:relative;padding:96px 0;text-align:center;
  background:
    radial-gradient(circle at center,rgba(0,229,204,0.12) 0%,transparent 60%),
    radial-gradient(circle at center,rgba(46,107,255,0.1) 0%,transparent 70%),
    var(--bg-page);
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(0,229,204,0.04) 1px,transparent 1px),
  linear-gradient(90deg,rgba(0,229,204,0.04) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;max-width:680px;margin:0 auto}
.cta-inner h2{margin-bottom:16px}
.cta-inner p{color:var(--text-2);font-size:17px;margin-bottom:32px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
@media(max-width:768px){.cta-section{padding:56px 0}}

/* ===== FOOTER ===== */
.site-footer{
  background:var(--bg-footer);border-top:1px solid rgba(255,255,255,0.06);
  padding-top:64px;padding-bottom:32px;
}
.footer-brand{
  font-size:22px;font-weight:700;color:var(--text-1);margin-bottom:16px;
  display:flex;align-items:center;
}
.footer-brand span{color:var(--cyan);margin-left:4px}
.site-footer p{font-size:14px;color:var(--text-3);line-height:1.7;max-width:320px}
.site-footer h5{
  color:var(--text-1);font-size:15px;font-weight:600;
  margin-bottom:18px;letter-spacing:0.02em;
}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{
  color:var(--text-3);font-size:14px;text-decoration:none;transition:all .25s ease;
  display:inline-flex;align-items:center;gap:8px;
}
.footer-links a:hover{color:var(--cyan);transform:translateX(4px)}
.footer-links a i{font-size:12px;color:var(--cyan)}
.footer-copyright{
  border-top:1px solid rgba(255,255,255,0.05);
  padding-top:24px;margin-top:48px;
  text-align:center;color:var(--text-3);font-size:13px;
}
.footer-copyright a{color:var(--text-3)}
.footer-copyright a:hover{color:var(--cyan)}
@media(max-width:767px){
  .site-footer{padding-top:48px}
  .site-footer .row>div{margin-bottom:28px}
  .footer-copyright{margin-top:32px;font-size:12px}
}

/* ===== FOCUS ===== */
a:focus-visible,button:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px;
}