/* roulang page: index */
:root{
  --primary:#1D4E89;
  --primary-light:#4A90D9;
  --accent:#E8A33D;
  --bg:#F4F7FA;
  --card:#FFFFFF;
  --text:#1C2B3A;
  --text-muted:#5B6B7C;
  --border:#E4E9EF;
  --dark:#122A44;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 4px 20px rgba(29,78,137,0.06);
  --shadow-hover:0 12px 32px rgba(29,78,137,0.14);
  --shadow-cta:0 8px 24px rgba(232,163,61,0.25);
  --transition:all 0.25s ease;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit;transition:var(--transition);}
img{max-width:100%;height:auto;display:block;}
ul,ol{list-style:none;}
.container{max-width:1280px;padding-left:24px;padding-right:24px;}
.btn{border-radius:var(--radius-sm);font-weight:600;padding:12px 28px;transition:var(--transition);font-size:16px;line-height:1.5;border:2px solid transparent;min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;}
.btn:focus,.btn:active,.btn:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px;}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:var(--shadow-cta);}
.btn-accent:hover{background:#d4912c;border-color:#d4912c;color:#fff;transform:translateY(-2px);box-shadow:0 12px 30px rgba(232,163,61,0.35);}
.btn-outline-primary{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline-primary:hover{background:rgba(29,78,137,0.08);border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.form-control,.form-select{height:46px;border-radius:var(--radius-sm);border:1px solid #D6DEE6;padding:0 16px;font-size:16px;transition:var(--transition);background:#fff;color:var(--text);}
.form-control:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,78,137,0.12);}
textarea.form-control{height:auto;padding:12px 16px;resize:vertical;}
.card{border:none;border-radius:var(--radius-md);background:var(--card);box-shadow:var(--shadow-sm);transition:var(--transition);}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.section{padding:88px 0;}
.section-title{font-size:32px;font-weight:750;color:var(--text);letter-spacing:-0.5px;line-height:1.3;margin-bottom:12px;}
.section-subtitle{font-size:16px;color:var(--text-muted);max-width:640px;line-height:1.7;margin-bottom:40px;}
.text-gradient{background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}

/* ===== Header ===== */
.site-header{
  background:#fff;
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:1000;
  box-shadow:0 2px 12px rgba(29,78,137,0.04);
}
.header-top{padding:10px 0;border-bottom:1px solid #f0f2f5;}
.logo{display:inline-flex;align-items:center;font-size:22px;font-weight:800;color:var(--primary);letter-spacing:-0.3px;line-height:1;}
.logo .logo-dot{width:8px;height:8px;background:var(--accent);border-radius:50%;margin-right:8px;display:inline-block;}
.header-search{position:relative;max-width:280px;margin:0 auto;}
.header-search input{height:36px;border-radius:20px;border:1px solid var(--border);padding:0 38px 0 14px;font-size:14px;width:100%;background:#f8fafb;transition:var(--transition);}
.header-search input:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(74,144,217,0.12);background:#fff;}
.header-search button{position:absolute;right:4px;top:50%;transform:translateY(-50%);border:none;background:transparent;color:var(--text-muted);font-size:14px;padding:8px;cursor:pointer;}
.header-search button:hover{color:var(--primary);}
.login-link{font-size:14px;color:var(--text-muted);font-weight:500;}
.login-link:hover{color:var(--primary);}
.header-nav{background:#fff;transition:var(--transition);}
.header-nav .nav-inner{display:flex;align-items:center;gap:0;min-height:56px;}
.nav-list{display:flex;align-items:center;margin:0;padding:0;gap:0;flex-shrink:0;}
.nav-list li{margin:0;}
.nav-list a{
  display:inline-block;padding:16px 18px;font-size:15px;font-weight:500;color:var(--text);
  position:relative;transition:var(--transition);border-bottom:3px solid transparent;line-height:1.5;
}
.nav-list a:hover{color:var(--primary);background:rgba(74,144,217,0.06);}
.nav-list li.active a{color:var(--primary);font-weight:600;border-bottom-color:var(--primary);}
.hot-tags{margin-left:auto;display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted);flex-shrink:1;overflow:hidden;white-space:nowrap;}
.hot-tags span{flex-shrink:0;}
.hot-tags a{
  background:#f0f2f5;border-radius:20px;padding:4px 12px;font-size:12px;color:var(--text-muted);
  line-height:1.4;transition:var(--transition);white-space:nowrap;
}
.hot-tags a:hover{background:rgba(74,144,217,0.15);color:var(--primary);}
.navbar-toggler{border:none;background:transparent;font-size:22px;color:var(--primary);padding:8px 12px;border-radius:var(--radius-sm);}
.navbar-toggler:focus{outline:none;box-shadow:none;}
.mobile-menu{border-top:1px solid var(--border);background:#fff;}
.mobile-menu a{
  display:block;padding:14px 24px;font-size:15px;font-weight:500;color:var(--text);
  border-bottom:1px solid #f5f6f8;transition:var(--transition);
}
.mobile-menu a:hover{background:rgba(74,144,217,0.06);color:var(--primary);}
.mobile-menu a.active{color:var(--primary);font-weight:600;border-left:3px solid var(--primary);}

/* ===== Hero ===== */
.hero{
  background:linear-gradient(135deg,#E8F1FA 0%,#F9FBFF 55%,#FFFFFF 100%);
  padding:80px 0 70px;
  position:relative;
  overflow:hidden;
}
.hero .bg-decoration{
  position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:rgba(74,144,217,0.08);pointer-events:none;
}
.hero .bg-decoration-2{
  position:absolute;right:200px;bottom:-120px;width:280px;height:280px;border-radius:50%;
  background:rgba(74,144,217,0.05);pointer-events:none;
}
.hero .row{position:relative;z-index:2;align-items:center;}
.hero-text{padding-right:30px;}
.hero-badge{
  display:inline-flex;align-items:center;background:rgba(29,78,137,0.08);
  color:var(--primary);font-size:13px;font-weight:600;padding:6px 16px;border-radius:20px;margin-bottom:20px;
}
.hero-badge i{margin-right:6px;}
.hero h1{
  font-size:42px;font-weight:800;line-height:1.3;color:var(--text);letter-spacing:-1px;margin-bottom:20px;
}
.hero h1 .highlight{color:var(--primary);}
.hero .hero-desc{
  font-size:16px;color:var(--text-muted);line-height:1.8;max-width:520px;margin-bottom:32px;
}
.hero .hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
.hero-image{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:0 20px 50px rgba(29,78,137,0.15);
  min-height:380px;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero-image .hero-card{
  position:absolute;bottom:20px;left:20px;right:20px;
  background:rgba(255,255,255,0.92);backdrop-filter:blur(8px);
  border-radius:var(--radius-md);padding:18px 22px;
  box-shadow:0 8px 24px rgba(29,78,137,0.12);
}
.hero-card .card-lable{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px;}
.hero-card .card-value{font-size:18px;font-weight:700;color:var(--primary);}
.hero-image::before{
  content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(18,42,68,0.25),transparent 60%);
}

/* ===== Stats ===== */
.stats-section{padding:56px 0;background:#fff;border-bottom:1px solid var(--border);}
.stat-item{text-align:center;padding:20px 16px;}
.stat-item .num{font-size:38px;font-weight:800;color:var(--primary);font-family:'Arial',Helvetica,sans-serif;font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-item .label{font-size:14px;color:var(--text-muted);margin-top:8px;}

/* ===== Timeline ===== */
.timeline-section{background:var(--bg);}
.timeline{position:relative;padding-left:32px;}
.timeline::before{
  content:'';position:absolute;left:8px;top:0;bottom:0;width:2px;background:#D6E4F2;
}
.timeline-item{
  position:relative;padding:20px 24px;background:#fff;
  border:1px solid var(--border);border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);margin-bottom:28px;transition:var(--transition);
}
.timeline-item:hover{box-shadow:var(--shadow-hover);border-left:3px solid var(--primary);}
.timeline-item::before{
  content:'';position:absolute;left:-29px;top:28px;width:12px;height:12px;border-radius:50%;
  background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 3px rgba(29,78,137,0.2);
}
.timeline-time{font-size:14px;font-weight:700;color:var(--primary);font-family:'Arial',Helvetica,sans-serif;margin-bottom:4px;}
.timeline-title{font-size:18px;font-weight:700;color:var(--text);margin-bottom:6px;}
.timeline-desc{font-size:14px;color:var(--text-muted);line-height:1.6;}
.timeline-date{font-size:12px;color:var(--text-muted);background:#f0f4f8;display:inline-block;padding:2px 10px;border-radius:12px;margin-bottom:8px;}

/* ===== Highlights ===== */
.highlights-section{background:#fff;}
.highlight-card{
  border-radius:var(--radius-md);overflow:hidden;background:var(--card);
  box-shadow:var(--shadow-sm);border:1px solid #f0f2f5;height:100%;transition:var(--transition);
  display:flex;flex-direction:column;
}
.highlight-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.highlight-card .img-wrap{height:220px;overflow:hidden;position:relative;}
.highlight-card .img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease;}
.highlight-card:hover .img-wrap img{transform:scale(1.05);}
.highlight-card .img-wrap .cat-badge{
  position:absolute;top:14px;left:14px;background:rgba(29,78,137,0.9);color:#fff;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:16px;backdrop-filter:blur(4px);
}
.highlight-card .content{padding:22px 20px;flex:1;display:flex;flex-direction:column;}
.highlight-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px;line-height:1.4;}
.highlight-card p{font-size:14px;color:var(--text-muted);line-height:1.6;flex:1;}

/* ===== Pricing ===== */
.pricing-section{background:var(--bg);}
.pricing-card{
  background:#fff;border-radius:var(--radius-lg);padding:36px 30px;
  box-shadow:var(--shadow-sm);border:1px solid var(--border);height:100%;
  position:relative;transition:var(--transition);display:flex;flex-direction:column;
}
.pricing-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.pricing-card.featured{
  border:2px solid var(--primary);box-shadow:0 16px 40px rgba(29,78,137,0.16);
}
.pricing-card.featured::before{
  content:'推荐';position:absolute;top:-14px;right:24px;background:var(--accent);color:#fff;
  font-size:12px;font-weight:700;padding:4px 16px;border-radius:16px;box-shadow:var(--shadow-cta);
}
.pricing-name{font-size:18px;font-weight:700;color:var(--text);margin-bottom:4px;}
.pricing-price{font-size:38px;font-weight:800;color:var(--primary);font-family:'Arial',Helvetica,sans-serif;line-height:1.2;margin-bottom:4px;}
.pricing-price .unit{font-size:16px;font-weight:400;color:var(--text-muted);}
.pricing-desc{font-size:13px;color:var(--text-muted);margin-bottom:20px;}
.pricing-options{margin-bottom:24px;flex:1;}
.pricing-options li{font-size:14px;color:var(--text);padding:7px 0;display:flex;align-items:flex-start;gap:10px;}
.pricing-options li i{color:var(--primary-light);font-size:14px;margin-top:3px;flex-shrink:0;}
.pricing-cta{width:100%;}

/* ===== Signup ===== */
.signup-section{background:linear-gradient(135deg,#122A44 0%,#1D4E89 100%);padding:88px 0;}
.signup-section .section-title{color:#fff;}
.signup-section .section-subtitle{color:rgba(255,255,255,0.7);}
.signup-section .info-text{color:rgba(255,255,255,0.8);font-size:15px;line-height:1.8;margin-bottom:30px;}
.signup-form-wrapper{
  background:#fff;border-radius:var(--radius-lg);padding:40px;box-shadow:0 20px 50px rgba(0,0,0,0.2);
}
.signup-form-wrapper .form-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.signup-form-wrapper .form-select{color:var(--text);}
.signup-form-wrapper .btn-accent{width:100%;}
.signup-security{
  font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:6px;margin-top:14px;justify-content:center;
}
.signup-security i{color:var(--primary-light);}
/* Contact info list */
.contact-list{list-style:none;padding:0;margin:0 0 30px;}
.contact-list li{
  color:rgba(255,255,255,0.85);font-size:15px;padding:10px 0;display:flex;align-items:center;gap:14px;
}
.contact-list li i{color:var(--accent);width:20px;text-align:center;font-size:16px;flex-shrink:0;}

/* ===== News List ===== */
.news-section{background:#fff;}
.news-card{
  display:flex;gap:20px;background:var(--bg);border:1px solid #f0f2f5;
  border-radius:var(--radius-md);padding:20px;transition:var(--transition);margin-bottom:20px;align-items:flex-start;
}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);background:#fff;}
.news-card .news-thumb{
  width:120px;height:90px;border-radius:10px;overflow:hidden;flex-shrink:0;background:#E8F1FA;
  display:flex;align-items:center;justify-content:center;color:var(--primary-light);font-size:28px;
}
.news-card .news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-card .news-content{flex:1;min-width:0;}
.news-card h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:6px;line-height:1.4;}
.news-card h3 a{color:inherit;}
.news-card h3 a:hover{color:var(--primary);}
.news-card .news-summary{font-size:14px;color:var(--text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-muted);}
.news-meta .tag{
  background:rgba(74,144,217,0.12);color:var(--primary);padding:2px 10px;border-radius:12px;font-weight:600;
}
.news-meta .time{display:flex;align-items:center;gap:4px;}
.news-meta .time i{font-size:12px;}
.empty-state{
  border:2px dashed var(--border);border-radius:var(--radius-md);padding:48px 24px;text-align:center;color:var(--text-muted);
}
.empty-state i{font-size:40px;color:#c0cbd6;margin-bottom:16px;display:block;}
.empty-state p{font-size:14px;}

/* ===== FAQ ===== */
.faq-section{background:var(--bg);}
.accordion-item{
  border:1px solid var(--border) !important;border-radius:var(--radius-md) !important;
  margin-bottom:16px;overflow:hidden;background:#fff;
}
.accordion-item:first-of-type,.accordion-item:last-of-type{border-radius:var(--radius-md) !important;}
.accordion-button{
  font-size:16px;font-weight:700;color:var(--text);padding:20px 24px;background:#fff;box-shadow:none !important;
  border-bottom:1px solid transparent;
}
.accordion-button:not(.collapsed){
  background:#F0F6FC;color:var(--primary);border-bottom-color:var(--border);
}
.accordion-button:focus{box-shadow:none;}
.accordion-button::after{
  transition:transform 0.3s ease;filter:hue-rotate(150deg);
}
.accordion-body{
  padding:20px 24px;font-size:14px;color:var(--text-muted);line-height:1.8;background:#fff;
}

/* ===== Bottom CTA ===== */
.bottom-cta{
  background:linear-gradient(135deg,#1D4E89,#4A90D9);padding:64px 0;color:#fff;text-align:center;
}
.bottom-cta h2{font-size:30px;font-weight:800;margin-bottom:12px;}
.bottom-cta p{color:rgba(255,255,255,0.85);max-width:560px;margin:0 auto 28px;font-size:15px;}
.bottom-cta .btn-back-top{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.15);border:1px solid rgba(255,255,255,0.4);
  color:#fff;padding:10px 24px;border-radius:30px;font-size:14px;transition:var(--transition);
}
.bottom-cta .btn-back-top:hover{background:rgba(255,255,255,0.25);transform:translateY(-2px);}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,0.75);padding:64px 0 0;}
.site-footer h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;}
.site-footer .footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:8px;}
.site-footer .footer-desc{font-size:13px;line-height:1.7;color:rgba(255,255,255,0.6);max-width:300px;}
.site-footer .footer-links li{margin-bottom:8px;}
.site-footer .footer-links a{font-size:14px;color:rgba(255,255,255,0.7);transition:var(--transition);}
.site-footer .footer-links a:hover{color:var(--primary-light);padding-left:4px;}
.site-footer .footer-contact li{font-size:14px;padding:4px 0;color:rgba(255,255,255,0.65);display:flex;gap:10px;align-items:center;}
.site-footer .footer-contact li i{color:var(--primary-light);width:16px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.12);padding:20px 0;margin-top:48px;
  font-size:13px;color:rgba(255,255,255,0.5);text-align:center;
}

/* ===== Responsive ===== */
@media (max-width:991px){
  .hero{padding:60px 0 50px;}
  .hero h1{font-size:32px;}
  .hero-text{padding-right:0;margin-bottom:40px;}
  .hero-image{min-height:300px;}
  .section{padding:64px 0;}
  .section-title{font-size:28px;}
  .stat-item .num{font-size:30px;}
  .pricing-card{margin-bottom:24px;}
  .pricing-card.featured{margin-bottom:24px;}
  .hot-tags{display:none !important;}
  .header-top .row .col-auto:nth-child(2){margin-left:auto;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .hero h1{font-size:27px;letter-spacing:-0.5px;}
  .hero .hero-actions .btn{width:100%;}
  .hero-image{min-height:240px;margin-top:20px;}
  .stat-item .num{font-size:26px;}
  .section{padding:48px 0;}
  .section-title{font-size:24px;}
  .timeline{padding-left:28px;}
  .timeline-item{padding:16px 18px;}
  .news-card{flex-direction:column;}
  .news-card .news-thumb{width:100%;height:160px;}
  .signup-form-wrapper{padding:24px;}
  .bottom-cta h2{font-size:24px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{margin-top:32px;}
  .nav-list{display:none;}
  .hot-tags{display:none;}
}
@media (min-width:768px){
  .mobile-menu{display:none;visibility:hidden;}
}
@media (max-width:767px){
  .mobile-menu{display:block;}
  .nav-list{display:none;}
}
/* Bootstrap overrides */
.btn-primary{
  background:var(--primary);border-color:var(--primary);
}
.btn-primary:hover{
  background:#164070;border-color:#164070;
}
.btn-outline-primary{
  --bs-btn-color:var(--primary);
  --bs-btn-border-color:var(--primary);
  --bs-btn-hover-bg:rgba(29,78,137,0.1);
  --bs-btn-hover-border-color:var(--primary);
  --bs-btn-hover-color:var(--primary);
  --bs-btn-active-bg:rgba(29,78,137,0.2);
  --bs-btn-active-border-color:var(--primary);
  --bs-btn-active-color:var(--primary);
}
.table{--bs-table-hover-bg:rgba(74,144,217,0.05);}
.accordion-button:not(.collapsed){box-shadow:none;}

/* roulang page: category1 */
:root{
  --primary:#1D4E89;
  --primary-light:#4A90D9;
  --accent:#E8A33D;
  --bg:#F4F7FA;
  --card:#FFFFFF;
  --text:#1C2B3A;
  --text-muted:#5B6B7C;
  --border:#E4E9EF;
  --dark:#122A44;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 4px 20px rgba(29,78,137,0.06);
  --shadow-hover:0 12px 32px rgba(29,78,137,0.14);
  --shadow-accent:0 8px 24px rgba(232,163,61,0.25);
  --font-main:PingFang SC,Microsoft YaHei,Noto Sans SC,sans-serif;
  --font-en:Arial,Helvetica,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:var(--font-main);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:var(--primary);transition:color .25s}
a:hover{color:var(--primary-light)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1280px;padding-left:24px;padding-right:24px}
.btn{border-radius:var(--radius-sm);font-weight:600;padding:12px 28px;transition:all .25s;border:none}
.btn-accent{
  background:var(--accent) !important;
  color:#fff !important;
  box-shadow:var(--shadow-accent) !important;
}
.btn-accent:hover,.btn-accent:focus{
  background:#d6912f !important;
  color:#fff !important;
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(232,163,61,0.35) !important;
}
.btn-accent:active{transform:translateY(0);box-shadow:0 6px 18px rgba(232,163,61,0.3) !important}
.btn-outline-primary{
  background:transparent !important;
  border:2px solid var(--primary) !important;
  color:var(--primary) !important;
}
.btn-outline-primary:hover{
  background:rgba(29,78,137,0.08) !important;
  border-color:var(--primary-light) !important;
  color:var(--primary-light) !important;
  transform:translateY(-2px);
}
.btn-outline-primary:active{transform:translateY(0)}
.btn-primary-custom{
  background:var(--primary) !important;
  color:#fff !important;
  border:none !important;
  box-shadow:0 6px 20px rgba(29,78,137,0.2) !important;
}
.btn-primary-custom:hover{
  background:#163d6e !important;
  transform:translateY(-2px);
  box-shadow:0 10px 28px rgba(29,78,137,0.3) !important;
}
.btn-primary-custom:active{transform:translateY(0)}

/* Header */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  box-shadow:0 2px 12px rgba(29,78,137,.06);
}
.header-top{
  height:44px;
  background:#fff;
  border-bottom:1px solid var(--border);
}
.header-top .row{height:44px}
.logo{
  font-size:20px;font-weight:800;color:var(--primary);
  display:flex;align-items:center;gap:8px;
  letter-spacing:.5px;
}
.logo-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--accent);
  display:inline-block;
  box-shadow:0 0 0 3px rgba(232,163,61,.25);
}
.header-search{
  display:flex;align-items:center;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:20px;
  height:34px;
  padding:0 4px 0 14px;
  max-width:360px;
  transition:border-color .25s,box-shadow .25s;
}
.header-search:focus-within{
  border-color:var(--primary-light);
  box-shadow:0 0 0 3px rgba(74,144,217,.15);
}
.header-search input{
  flex:1;border:none;background:transparent;
  font-size:13px;color:var(--text);
  outline:none;min-width:0;
}
.header-search button{
  width:30px;height:30px;border-radius:50%;
  border:none;background:var(--primary);
  color:#fff;font-size:12px;
  display:flex;align-items:center;justify-content:center;
  transition:background .25s;
}
.header-search button:hover{background:var(--primary-light)}
.login-link{
  font-size:14px;color:var(--text-muted);
  display:inline-flex;align-items:center;gap:4px;
}
.login-link:hover{color:var(--primary)}
.header-nav{height:56px;background:#fff;border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;height:56px;gap:0}
.nav-list{
  list-style:none;display:flex;margin:0;padding:0;
  height:56px;align-items:center;
}
.nav-list li{
  margin:0;
  position:relative;
  height:56px;
  display:flex;align-items:center;
}
.nav-list li a{
  color:var(--text);
  font-size:15px;font-weight:600;
  padding:0 18px;
  height:56px;
  display:inline-flex;align-items:center;
  position:relative;
  transition:color .25s;
}
.nav-list li a:hover{
  color:var(--primary);
  background:rgba(74,144,217,.06);
}
.nav-list li.active a{
  color:var(--primary);
}
.nav-list li.active a::after{
  content:'';
  position:absolute;left:18px;right:18px;bottom:0;
  height:3px;
  background:var(--primary);
  border-radius:3px 3px 0 0;
}
.hot-tags{
  margin-left:auto;
  display:flex;align-items:center;gap:6px;
  font-size:12px;color:var(--text-muted);
  white-space:nowrap;
  padding-right:8px;
}
.hot-tags a{
  display:inline-block;
  padding:3px 12px;
  background:#f0f4f8;
  border-radius:14px;
  color:var(--text-muted);
  font-size:12px;
  font-weight:500;
  transition:background .25s,color .25s;
}
.hot-tags a:hover{
  background:rgba(74,144,217,.15);
  color:var(--primary);
}
.navbar-toggler{
  border:none;background:transparent;
  font-size:22px;color:var(--primary);
  width:42px;height:42px;
  border-radius:8px;
}
.navbar-toggler:focus{
  outline:none;
  box-shadow:0 0 0 3px rgba(29,78,137,.15);
}
.mobile-menu{
  background:#fff;
  border-top:1px solid var(--border);
  padding:12px 0;
  box-shadow:0 12px 24px rgba(29,78,137,.1);
}
.mobile-menu a{
  display:block;
  padding:12px 24px;
  color:var(--text);
  font-weight:600;
  font-size:15px;
  border-left:3px solid transparent;
}
.mobile-menu a:hover{
  background:var(--bg);
  color:var(--primary);
}
.mobile-menu a.active{
  border-left-color:var(--primary);
  color:var(--primary);
  background:rgba(74,144,217,.06);
}

/* Hero */
.page-hero{
  background:linear-gradient(135deg,#E8F1FA 0%,#FFFFFF 70%);
  padding:76px 0 68px;
  position:relative;
  overflow:hidden;
}
.page-hero::before{
  content:'';
  position:absolute;
  top:-120px;right:-60px;
  width:380px;height:380px;
  border-radius:50%;
  background:rgba(74,144,217,.08);
}
.page-hero::after{
  content:'';
  position:absolute;
  bottom:-80px;left:-40px;
  width:260px;height:260px;
  border-radius:50%;
  background:rgba(232,163,61,.06);
}
.page-hero .container{position:relative;z-index:1}
.hero-badge{
  display:inline-flex;align-items:center;
  gap:8px;
  padding:6px 18px;
  background:rgba(74,144,217,.1);
  border-radius:20px;
  font-size:13px;
  color:var(--primary);
  font-weight:600;
  margin-bottom:20px;
}
.hero-badge i{font-size:12px}
.page-hero h1{
  font-size:42px;
  font-weight:800;
  color:var(--text);
  line-height:1.25;
  margin-bottom:16px;
  letter-spacing:.5px;
}
.page-hero h1 span{color:var(--primary)}
.page-hero .lead{
  font-size:17px;
  color:var(--text-muted);
  max-width:640px;
  margin-bottom:24px;
  line-height:1.8;
}
.hero-metrics{
  display:flex;
  gap:32px;
  margin-top:28px;
  padding-top:24px;
  border-top:1px solid rgba(29,78,137,.1);
}
.hero-metric{
  display:flex;flex-direction:column;
}
.hero-metric .num{
  font-size:28px;
  font-weight:800;
  color:var(--primary);
  font-family:var(--font-en);
  font-feature-settings:'tnum';
  line-height:1.2;
}
.hero-metric .label{
  font-size:13px;
  color:var(--text-muted);
  margin-top:4px;
}
.hero-img-wrap{
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-hover);
  position:relative;
  background:#D6E4F2;
  min-height:280px;
}
.hero-img-wrap img{
  width:100%;height:100%;
  object-fit:cover;
  min-height:280px;
}
.hero-img-wrap .img-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(29,78,137,.4));
}

/* Section */
.section{padding:72px 0}
.section-alt{background:#fff}
.section-sm{padding:48px 0}
.section-head{
  text-align:left;
  margin-bottom:40px;
  max-width:760px;
}
.section-head .eyebrow{
  display:inline-flex;align-items:center;
  gap:6px;
  color:var(--primary-light);
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head .eyebrow::before{
  content:'';
  width:24px;height:2px;
  background:var(--accent);
  display:inline-block;
}
.section-head h2{
  font-size:30px;
  font-weight:750;
  color:var(--text);
  line-height:1.3;
  margin-bottom:10px;
}
.section-head p{
  color:var(--text-muted);
  font-size:15px;
  margin-top:8px;
}

/* Timeline list */
.schedule-timeline{
  position:relative;
  max-width:960px;
}
.schedule-timeline::before{
  content:'';
  position:absolute;
  left:19px;top:0;bottom:0;
  width:2px;
  background:#D6E4F2;
}
.timeline-item{
  position:relative;
  padding:0 0 28px 60px;
}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{
  position:absolute;
  left:11px;top:8px;
  width:18px;height:18px;
  border-radius:50%;
  background:#fff;
  border:4px solid var(--primary);
  box-shadow:0 0 0 4px rgba(29,78,137,.1);
}
.timeline-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px 24px;
  cursor:default;
  transition:border-color .3s,box-shadow .3s,transform .3s;
  box-shadow:var(--shadow);
}
.timeline-card:hover{
  border-left-color:var(--primary-light);
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
}
.timeline-date{
  display:flex;align-items:center;gap:16px;
  margin-bottom:8px;
  flex-wrap:wrap;
}
.timeline-date .date{
  font-weight:700;
  color:var(--primary);
  font-family:var(--font-en);
  font-feature-settings:'tnum';
  background:rgba(74,144,217,.08);
  padding:3px 14px;
  border-radius:16px;
  font-size:14px;
}
.timeline-date .phase{
  font-size:13px;
  color:var(--text-muted);
  display:flex;align-items:center;gap:6px;
}
.timeline-date .phase i{color:var(--accent);font-size:11px}
.timeline-card h3{
  font-size:18px;
  font-weight:700;
  color:var(--text);
  margin-bottom:6px;
}
.timeline-card p{
  font-size:14px;
  color:var(--text-muted);
  margin:0;
  line-height:1.7;
}

/* Category cards */
.category-cards .row{gap:24px 0}
.cat-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  height:100%;
  transition:box-shadow .3s,transform .3s;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
}
.cat-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-3px);
}
.cat-icon{
  width:52px;height:52px;
  border-radius:12px;
  background:rgba(74,144,217,.1);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
  font-size:20px;
  margin-bottom:16px;
}
.cat-card h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:8px;
  color:var(--text);
}
.cat-card p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
  margin-bottom:12px;
  flex-grow:1;
}
.cat-tag{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-size:12px;
  color:var(--primary-light);
  font-weight:600;
}

/* Stats band */
.stats-band{
  background:var(--dark);
  border-radius:20px;
  padding:48px 32px;
  position:relative;
  overflow:hidden;
  color:#fff;
}
.stats-band::before{
  content:'';
  position:absolute;
  top:-100px;right:-80px;
  width:260px;height:260px;
  border-radius:50%;
  background:rgba(74,144,217,.2);
}
.stats-band::after{
  content:'';
  position:absolute;
  bottom:-80px;left:20px;
  width:180px;height:180px;
  border-radius:50%;
  background:rgba(232,163,61,.1);
}
.stats-band .container-inner{position:relative;z-index:1}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.stat-item{
  text-align:center;
  padding:16px 12px;
}
.stat-item .icon{
  font-size:26px;
  color:var(--accent);
  margin-bottom:10px;
}
.stat-item .number{
  font-size:36px;
  font-weight:800;
  font-family:var(--font-en);
  font-feature-settings:'tnum';
  line-height:1.2;
  color:#fff;
}
.stat-item .desc{
  font-size:14px;
  color:rgba(255,255,255,.7);
  margin-top:6px;
}

/* Feature split */
.feature-split{
  background:#fff;
  border:1px solid var(--border);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.feature-split .row{--bs-gutter-x:0}
.feature-img{
  min-height:300px;
  height:100%;
}
.feature-img img{
  width:100%;height:100%;
  object-fit:cover;
  min-height:300px;
}
.feature-content{
  padding:44px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.feature-content .badge-soft{
  display:inline-flex;
  align-self:flex-start;
  background:rgba(232,163,61,.12);
  color:var(--accent);
  font-size:12px;
  font-weight:700;
  padding:4px 14px;
  border-radius:16px;
  margin-bottom:16px;
}
.feature-content h3{
  font-size:24px;
  font-weight:750;
  margin-bottom:12px;
  color:var(--text);
}
.feature-content p{
  color:var(--text-muted);
  font-size:15px;
  margin-bottom:16px;
}
.feature-list{
  list-style:none;
  padding:0;
  margin:0;
}
.feature-list li{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 0;
  font-size:15px;
  color:var(--text);
}
.feature-list li i{
  color:var(--primary);
  font-size:14px;
  width:20px;height:20px;
  border-radius:50%;
  background:rgba(74,144,217,.12);
  display:flex;align-items:center;justify-content:center;
}

/* Faq */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:#fff;
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .3s;
}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-item.summary-open{
  background:var(--bg);
  box-shadow:var(--shadow);
}
.faq-question{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 24px;
  cursor:pointer;
  font-weight:700;
  font-size:16px;
  color:var(--text);
  background:transparent;
  border:none;
  width:100%;text-align:left;
  transition:color .25s;
}
.faq-question:hover{color:var(--primary)}
.faq-question .arrow{
  width:28px;height:28px;
  border-radius:50%;
  background:rgba(74,144,217,.1);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
  color:var(--primary);
  transition:transform .3s;
  flex-shrink:0;
}
.faq-item.summary-open .faq-question .arrow{
  transform:rotate(45deg);
  background:var(--accent);
  color:#fff;
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-answer .inner{
  padding:0 24px 20px;
  font-size:15px;
  color:var(--text-muted);
  line-height:1.8;
}

/* CTA band */
.cta-band{
  background:linear-gradient(135deg,var(--primary) 0%,#2a6bb8 100%);
  border-radius:20px;
  padding:56px 48px;
  position:relative;
  overflow:hidden;
  color:#fff;
}
.cta-band::before{
  content:'';
  position:absolute;
  top:-60px;right:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-band::after{
  content:'';
  position:absolute;
  bottom:-80px;left:10%;
  width:200px;height:200px;
  border-radius:50%;
  background:rgba(232,163,61,.12);
}
.cta-band .cta-inner{position:relative;z-index:1}
.cta-band h2{
  font-size:30px;
  font-weight:800;
  margin-bottom:12px;
  color:#fff;
}
.cta-band p{
  font-size:16px;
  color:rgba(255,255,255,.85);
  max-width:640px;
  margin-bottom:28px;
}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap}
.cta-actions .btn-accent{
  background:var(--accent);
  color:#fff;
  border:none;
  padding:14px 32px;
  font-size:16px;
  border-radius:10px;
}
.cta-actions .btn-outline-light{
  background:transparent;
  border:2px solid rgba(255,255,255,.7);
  color:#fff;
  padding:13px 30px;
  border-radius:10px;
  font-weight:600;
  transition:all .25s;
}
.cta-actions .btn-outline-light:hover{
  background:rgba(255,255,255,.1);
  border-color:#fff;
  transform:translateY(-2px);
}
.cta-actions .btn-outline-light:active{transform:translateY(0)}

/* Footer */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.75);
  padding:64px 0 0;
}
.site-footer .footer-brand{
  font-size:22px;font-weight:800;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.5px;
}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  margin-bottom:20px;
}
.site-footer h4{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
  position:relative;
  padding-bottom:10px;
}
.site-footer h4::after{
  content:'';
  position:absolute;
  left:0;bottom:0;
  width:28px;height:2px;
  background:var(--accent);
}
.footer-links{
  list-style:none;padding:0;margin:0;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  color:rgba(255,255,255,.6);
  font-size:14px;
  transition:color .25s,padding-left .25s;
}
.footer-links a:hover{
  color:var(--primary-light);
  padding-left:4px;
}
.footer-contact{
  list-style:none;padding:0;margin:0;
}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.6);
  margin-bottom:10px;
}
.footer-contact li i{
  width:16px;
  color:var(--accent);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  margin-top:48px;
}
.footer-bottom span{
  font-size:13px;
  color:rgba(255,255,255,.45);
}

/* Responsive */
@media (max-width:991px){
  .page-hero{padding:48px 0}
  .page-hero h1{font-size:32px}
  .hero-img-wrap{margin-top:28px;min-height:220px}
  .hero-img-wrap img{min-height:220px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .section{padding:56px 0}
  .section-head h2{font-size:26px}
  .feature-content{padding:32px 24px}
  .feature-content h3{font-size:20px}
  .cta-band{padding:40px 28px}
  .cta-band h2{font-size:24px}
}
@media (max-width:767px){
  .header-search{max-width:100%}
  .page-hero h1{font-size:28px}
  .page-hero .lead{font-size:15px}
  .hero-metrics{gap:20px;flex-wrap:wrap}
  .hero-metric .num{font-size:22px}
  .section{padding:48px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:23px}
  .timeline-item{padding-left:48px}
  .schedule-timeline::before{left:15px}
  .timeline-dot{left:7px;width:16px;height:16px}
  .timeline-card{padding:18px 18px}
  .timeline-date{gap:8px;flex-direction:column;align-items:flex-start}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-item .number{font-size:28px}
  .cat-card{padding:22px}
  .feature-content{padding:24px 20px}
  .feature-list li{font-size:14px}
  .cta-band{padding:36px 20px}
  .cta-actions .btn{padding:12px 20px;font-size:14px}
  .footer-bottom span{display:block;line-height:1.7}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .page-hero h1{font-size:24px}
  .hero-metrics{flex-direction:column;gap:14px}
  .stats-grid{grid-template-columns:1fr;gap:8px}
  .feature-img{min-height:200px}
  .feature-img img{min-height:200px}
  .timeline-item{padding-left:42px}
  .timeline-card h3{font-size:16px}
  .timeline-card p{font-size:13px}
  .hero-badge{font-size:12px;padding:4px 14px}
  .section-head h2{font-size:21px}
}
/* Focus visible for accessibility */
a:focus-visible,.btn:focus-visible,.faq-question:focus-visible,.navbar-toggler:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(74,144,217,.5);
  outline-offset:2px;
  border-radius:4px;
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
    :root {
        --primary: #1D4E89;
        --primary-light: #4A90D9;
        --accent: #E8A33D;
        --accent-dark: #d18e2c;
        --bg: #F4F7FA;
        --card-bg: #FFFFFF;
        --text-main: #1C2B3A;
        --text-muted: #5B6B7C;
        --border: #E4E9EF;
        --dark-block: #122A44;
        --radius-card: 14px;
        --radius-btn: 10px;
        --shadow-card: 0 4px 20px rgba(29, 78, 137, 0.06);
        --shadow-hover: 0 12px 32px rgba(29, 78, 137, 0.14);
        --shadow-cta: 0 8px 24px rgba(232, 163, 61, 0.25);
        --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --font-num: "Arial", "Helvetica", sans-serif;
        --transition: all 0.25s ease;
    }

    /* ===== Reset / Base ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font-main);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-main);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: var(--primary-light);
    }
    img {
        max-width: 100%;
        height: auto;
    }
    button,
    input,
    select {
        border: none;
        outline: none;
        font-family: inherit;
    }
    ul {
        list-style: none;
    }
    .container {
        max-width: 1280px;
        padding-left: 24px;
        padding-right: 24px;
    }

    /* ===== Header / Navigation ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: #ffffff;
        box-shadow: 0 2px 12px rgba(29, 78, 137, 0.06);
        transition: var(--transition);
    }
    .site-header.scrolled .header-top {
        max-height: 0;
        padding: 0;
        overflow: hidden;
        border-bottom: none;
    }
    .site-header.scrolled .header-nav {
        box-shadow: 0 4px 16px rgba(29, 78, 137, 0.10);
    }
    .header-top {
        max-height: 44px;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        border-bottom: 1px solid var(--border);
    }
    .header-top .container {
        min-height: 44px;
    }
    .header-top .row {
        min-height: 44px;
    }
    .logo {
        display: flex;
        align-items: center;
        font-size: 24px;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: 0.5px;
    }
    .logo .logo-dot {
        display: inline-block;
        width: 9px;
        height: 9px;
        border-radius: 50%;
        background: var(--accent);
        margin-right: 8px;
    }
    .logo:hover {
        color: var(--primary);
    }
    .header-search {
        display: flex;
        align-items: center;
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: 40px;
        height: 34px;
        max-width: 280px;
        transition: var(--transition);
    }
    .header-search input {
        flex: 1;
        background: transparent;
        border: none;
        font-size: 13px;
        padding: 0 14px;
        color: var(--text-main);
        min-width: 0;
    }
    .header-search input::placeholder {
        color: #9aa8b6;
    }
    .header-search button {
        background: transparent;
        color: var(--primary);
        padding: 0 14px;
        font-size: 14px;
        cursor: pointer;
        border-radius: 0 40px 40px 0;
        transition: var(--transition);
    }
    .header-search button:hover {
        color: var(--primary-light);
    }
    .login-link {
        font-size: 14px;
        color: var(--text-muted);
        font-weight: 500;
        padding: 6px 14px;
        border-radius: 20px;
        transition: var(--transition);
    }
    .login-link:hover {
        background: var(--bg);
        color: var(--primary);
    }
    .header-nav {
        background: #fff;
        border-top: 1px solid var(--border);
    }
    .nav-inner {
        display: flex;
        align-items: center;
        min-height: 56px;
        flex-wrap: nowrap;
    }
    .nav-list {
        display: flex;
        margin: 0;
        padding: 0;
        list-style: none;
        height: 56px;
    }
    .nav-list li {
        display: flex;
        align-items: center;
        position: relative;
    }
    .nav-list li a {
        display: block;
        padding: 0 18px;
        font-size: 15px;
        font-weight: 600;
        color: var(--text-main);
        line-height: 56px;
        white-space: nowrap;
        transition: var(--transition);
        position: relative;
    }
    .nav-list li a::after {
        content: '';
        position: absolute;
        left: 18px;
        right: 18px;
        bottom: 0;
        height: 3px;
        border-radius: 3px 3px 0 0;
        background: var(--primary);
        opacity: 0;
        transform: scaleX(0.4);
        transition: var(--transition);
    }
    .nav-list li a:hover {
        color: var(--primary);
        background: rgba(74, 144, 217, 0.06);
    }
    .nav-list li.active a {
        color: var(--primary);
        font-weight: 700;
    }
    .nav-list li.active a::after {
        opacity: 1;
        transform: scaleX(1);
    }
    .hot-tags {
        display: flex;
        align-items: center;
        flex-wrap: nowrap;
        margin-left: auto;
        padding-left: 12px;
        overflow: hidden;
        white-space: nowrap;
        font-size: 12px;
        color: var(--text-muted);
    }
    .hot-tags span {
        margin-right: 4px;
    }
    .hot-tags a {
        display: inline-block;
        padding: 3px 12px;
        margin: 0 3px;
        background: #eef2f6;
        border-radius: 30px;
        font-size: 12px;
        color: var(--text-muted);
        font-weight: 500;
        transition: var(--transition);
    }
    .hot-tags a:hover {
        background: var(--primary);
        color: #fff;
    }
    .navbar-toggler {
        border: none;
        background: transparent;
        font-size: 20px;
        color: var(--primary);
        padding: 6px 10px;
        border-radius: 8px;
        cursor: pointer;
        transition: var(--transition);
    }
    .navbar-toggler:hover {
        background: var(--bg);
    }
    .mobile-menu {
        background: #fff;
        border-top: 1px solid var(--border);
        padding: 8px 0 16px;
    }
    .mobile-menu a {
        display: block;
        padding: 12px 24px;
        font-size: 16px;
        font-weight: 600;
        color: var(--text-main);
        border-bottom: 1px solid #f0f2f5;
    }
    .mobile-menu a:hover {
        background: var(--bg);
        color: var(--primary);
    }
    .mobile-menu a.active {
        color: var(--primary);
        background: rgba(74, 144, 217, 0.06);
    }

    /* ===== Hero ===== */
    .category-hero {
        background: linear-gradient(135deg, #E8F1FA 0%, #FFFFFF 70%);
        padding: 72px 0 72px;
        position: relative;
        overflow: hidden;
    }
    .category-hero::after {
        content: '';
        position: absolute;
        right: -120px;
        top: 50%;
        transform: translateY(-50%);
        width: 520px;
        height: 520px;
        background: radial-gradient(circle, rgba(74,144,217,0.14) 0%, transparent 70%);
        border-radius: 50%;
        z-index: 0;
    }
    .category-hero .container {
        position: relative;
        z-index: 1;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 40px;
    }
    .category-hero-text {
        max-width: 640px;
        flex: 1;
    }
    .category-hero-text .breadcrumb-custom {
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
    }
    .category-hero-text .breadcrumb-custom a {
        color: var(--text-muted);
    }
    .category-hero-text .breadcrumb-custom a:hover {
        color: var(--primary);
    }
    .category-hero-text .breadcrumb-custom i {
        font-size: 10px;
        color: #b0becb;
    }
    .category-hero h1 {
        font-size: 44px;
        font-weight: 900;
        line-height: 1.25;
        color: var(--primary);
        margin-bottom: 20px;
        letter-spacing: 1px;
    }
    .category-hero .hero-lead {
        font-size: 18px;
        color: var(--text-muted);
        line-height: 1.8;
        margin-bottom: 28px;
        max-width: 560px;
    }
    .hero-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
    }
    .btn-custom-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--accent);
        color: #fff;
        font-weight: 700;
        font-size: 15px;
        padding: 12px 28px;
        border-radius: var(--radius-btn);
        border: none;
        box-shadow: var(--shadow-cta);
        transition: var(--transition);
        cursor: pointer;
    }
    .btn-custom-primary:hover {
        background: var(--accent-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 12px 30px rgba(232, 163, 61, 0.32);
    }
    .btn-custom-primary:active {
        transform: translateY(0);
        box-shadow: var(--shadow-cta);
    }
    .btn-custom-outline {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: transparent;
        color: var(--primary);
        font-weight: 700;
        font-size: 15px;
        padding: 12px 28px;
        border-radius: var(--radius-btn);
        border: 2px solid var(--primary);
        transition: var(--transition);
        cursor: pointer;
    }
    .btn-custom-outline:hover {
        background: rgba(29, 78, 137, 0.06);
        color: var(--primary);
        transform: translateY(-2px);
    }
    .btn-custom-outline:active {
        transform: translateY(0);
        background: rgba(29, 78, 137, 0.12);
    }
    .category-hero-media {
        flex: 1;
        max-width: 480px;
        border-radius: 20px;
        background: linear-gradient(150deg, #1D4E89, #4A90D9);
        min-height: 300px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 20px 50px rgba(29, 78, 137, 0.18);
        position: relative;
        overflow: hidden;
    }
    .category-hero-media i {
        font-size: 100px;
        color: rgba(255, 255, 255, 0.30);
    }
    .category-hero-media::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        opacity: 0.15;
    }
    .hero-badge {
        position: absolute;
        bottom: 20px;
        left: 20px;
        background: rgba(255, 255, 255, 0.92);
        border-radius: 30px;
        padding: 8px 18px;
        font-size: 13px;
        font-weight: 700;
        color: var(--primary);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.10);
        backdrop-filter: blur(4px);
    }

    /* ===== Section general ===== */
    .section-block {
        padding: 80px 0;
    }
    .section-block.bg-white {
        background: #fff;
    }
    .section-head {
        margin-bottom: 48px;
        text-align: center;
    }
    .section-head .section-tag {
        display: inline-block;
        background: rgba(74, 144, 217, 0.12);
        color: var(--primary);
        font-size: 13px;
        font-weight: 700;
        padding: 5px 16px;
        border-radius: 30px;
        margin-bottom: 14px;
        letter-spacing: 1px;
    }
    .section-head h2 {
        font-size: 34px;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 12px;
        line-height: 1.3;
    }
    .section-head p {
        max-width: 680px;
        margin: 0 auto;
        color: var(--text-muted);
        font-size: 16px;
        line-height: 1.8;
    }
    .section-title-left {
        text-align: left;
    }
    .section-title-left p {
        margin-left: 0;
    }

    /* ===== Highlight Type Cards ===== */
    .highlight-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .highlight-card {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 32px 24px;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-card);
        position: relative;
        overflow: hidden;
        cursor: default;
    }
    .highlight-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--primary-light);
        opacity: 0;
        transition: var(--transition);
    }
    .highlight-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(74, 144, 217, 0.40);
    }
    .highlight-card:hover::before {
        opacity: 1;
    }
    .highlight-icon {
        width: 64px;
        height: 64px;
        border-radius: 16px;
        background: linear-gradient(135deg, rgba(74,144,217,0.16), rgba(29,78,137,0.10));
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 18px;
        font-size: 24px;
        color: var(--primary);
        transition: var(--transition);
    }
    .highlight-card:hover .highlight-icon {
        background: var(--primary);
        color: #fff;
        transform: scale(1.06);
    }
    .highlight-card h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 10px;
    }
    .highlight-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 14px;
    }
    .highlight-tag {
        display: inline-block;
        font-size: 12px;
        color: var(--primary);
        background: rgba(74, 144, 217, 0.10);
        padding: 3px 12px;
        border-radius: 20px;
        font-weight: 600;
        transition: var(--transition);
    }
    .highlight-card:hover .highlight-tag {
        background: rgba(74, 144, 217, 0.18);
    }

    /* ===== Classic Review Alternating ===== */
    .feature-row {
        margin-bottom: 64px;
        align-items: center;
        gap: 0;
    }
    .feature-row:last-child {
        margin-bottom: 0;
    }
    .feature-media {
        border-radius: 18px;
        overflow: hidden;
        box-shadow: var(--shadow-card);
        position: relative;
        background: #ecf1f6;
    }
    .feature-media img {
        width: 100%;
        height: 320px;
        object-fit: cover;
        display: block;
        transition: transform 0.5s ease;
    }
    .feature-row:hover .feature-media img {
        transform: scale(1.03);
    }
    .feature-media .media-badge {
        position: absolute;
        top: 16px;
        left: 16px;
        background: rgba(29, 78, 137, 0.88);
        color: #fff;
        font-size: 13px;
        font-weight: 700;
        padding: 5px 14px;
        border-radius: 30px;
        backdrop-filter: blur(4px);
    }
    .feature-text {
        padding: 16px 8px 16px 40px;
    }
    .feature-text .feature-kicker {
        font-size: 13px;
        font-weight: 700;
        color: var(--accent);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 8px;
        display: block;
    }
    .feature-text h3 {
        font-size: 28px;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 14px;
        line-height: 1.3;
    }
    .feature-text p {
        font-size: 15px;
        color: var(--text-muted);
        line-height: 1.8;
        margin-bottom: 18px;
    }
    .feature-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 13px;
        color: var(--text-muted);
    }
    .feature-meta span {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .feature-meta i {
        color: var(--primary-light);
    }
    .order-lg-2 .feature-text {
        padding: 16px 40px 16px 8px;
    }

    /* ===== Stats Block ===== */
    .stats-section {
        background: var(--dark-block);
        padding: 80px 0;
        position: relative;
        overflow: hidden;
    }
    .stats-section::before {
        content: '';
        position: absolute;
        top: -80px;
        right: -80px;
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(74,144,217,0.22) 0%, transparent 70%);
        border-radius: 50%;
    }
    .stats-wrap {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
        text-align: center;
    }
    .stat-item {
        padding: 24px 16px;
        border: 1px solid rgba(255, 255, 255, 0.10);
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.04);
        transition: var(--transition);
    }
    .stat-item:hover {
        background: rgba(255, 255, 255, 0.07);
        transform: translateY(-4px);
    }
    .stat-num {
        font-family: var(--font-num);
        font-size: 44px;
        font-weight: 800;
        color: #fff;
        line-height: 1.2;
        margin-bottom: 6px;
        letter-spacing: 1px;
        font-variant-numeric: tabular-nums;
    }
    .stat-label {
        font-size: 15px;
        color: rgba(255, 255, 255, 0.72);
    }
    .stat-item .stat-num span {
        color: var(--accent);
    }

    /* ===== Process Steps ===== */
    .process-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
        position: relative;
    }
    .process-grid::before {
        content: '';
        position: absolute;
        top: 40px;
        left: 12%;
        right: 12%;
        height: 2px;
        background: #d6e4f2;
        z-index: 0;
    }
    .process-step {
        text-align: center;
        padding: 0 8px;
        position: relative;
        z-index: 1;
    }
    .process-icon {
        width: 80px;
        height: 80px;
        line-height: 80px;
        margin: 0 auto 20px;
        border-radius: 50%;
        background: #fff;
        border: 2px solid var(--primary-light);
        font-size: 28px;
        color: var(--primary);
        box-shadow: 0 0 0 6px rgba(74, 144, 217, 0.08);
        transition: var(--transition);
    }
    .process-step:hover .process-icon {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
        transform: scale(1.06);
    }
    .process-step .step-num {
        display: inline-block;
        font-size: 12px;
        font-weight: 700;
        background: rgba(74, 144, 217, 0.12);
        color: var(--primary);
        padding: 3px 12px;
        border-radius: 20px;
        margin-bottom: 10px;
    }
    .process-step h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
    }
    .process-step p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.6;
    }

    /* ===== FAQ ===== */
    .faq-panel {
        max-width: 840px;
        margin: 0 auto;
    }
    .faq-panel .accordion-item {
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        margin-bottom: 14px;
        background: #fff;
        overflow: hidden;
        transition: var(--transition);
        box-shadow: 0 2px 10px rgba(29, 78, 137, 0.03);
    }
    .faq-panel .accordion-item:hover {
        border-color: rgba(74, 144, 217, 0.35);
        box-shadow: 0 6px 20px rgba(29, 78, 137, 0.08);
    }
    .faq-panel .accordion-button {
        background: #fff;
        color: var(--text-main);
        font-size: 16px;
        font-weight: 700;
        padding: 20px 24px;
        border-radius: var(--radius-card) var(--radius-card) 0 0 !important;
        transition: var(--transition);
    }
    .faq-panel .accordion-button:not(.collapsed) {
        background: #F0F6FC;
        color: var(--primary);
    }
    .faq-panel .accordion-button:focus {
        box-shadow: 0 0 0 3px rgba(29, 78, 137, 0.12);
    }
    .faq-panel .accordion-button::after {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%231D4E89' viewBox='0 0 16 16'%3E%3Cpath d='M8 0a1 1 0 0 1 1 1v6h6a1 1 0 1 1 0 2H9v6a1 1 0 1 1-2 0V9H1a1 1 0 0 1 0-2h6V1a1 1 0 0 1 1-1z'/%3E%3C/svg%3E");
        transition: transform 0.3s ease;
    }
    .faq-panel .accordion-button:not(.collapsed)::after {
        transform: rotate(45deg);
    }
    .faq-panel .accordion-body {
        padding: 18px 24px 24px;
        font-size: 15px;
        color: var(--text-muted);
        line-height: 1.8;
        border-top: 1px solid #eef2f6;
        background: #fff;
    }

    /* ===== CTA ===== */
    .cta-section {
        background: linear-gradient(135deg, #1D4E89 0%, #2A6CB8 60%, #4A90D9 100%);
        padding: 72px 0;
        position: relative;
        overflow: hidden;
        text-align: center;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        top: -100px;
        left: -100px;
        width: 400px;
        height: 400px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.06);
    }
    .cta-section::after {
        content: '';
        position: absolute;
        bottom: -80px;
        right: -80px;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: rgba(232, 163, 61, 0.18);
    }
    .cta-inner {
        position: relative;
        z-index: 1;
        max-width: 720px;
        margin: 0 auto;
    }
    .cta-inner h2 {
        color: #fff;
        font-size: 36px;
        font-weight: 800;
        margin-bottom: 16px;
    }
    .cta-inner p {
        color: rgba(255, 255, 255, 0.82);
        font-size: 17px;
        margin-bottom: 30px;
        line-height: 1.8;
    }
    .cta-inner .btn-custom-primary {
        font-size: 17px;
        padding: 14px 40px;
    }
    .cta-note {
        margin-top: 18px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.55);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
    .cta-note i {
        font-size: 12px;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--dark-block);
        color: rgba(255, 255, 255, 0.75);
        padding-top: 64px;
        font-size: 14px;
        line-height: 1.8;
    }
    .site-footer .footer-brand {
        font-size: 26px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 14px;
        letter-spacing: 1px;
    }
    .footer-desc {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.62);
        margin-bottom: 0;
        max-width: 360px;
    }
    .site-footer h4 {
        color: #fff;
        font-size: 17px;
        font-weight: 700;
        margin-bottom: 16px;
        position: relative;
        padding-bottom: 10px;
    }
    .site-footer h4::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 28px;
        height: 3px;
        border-radius: 3px;
        background: var(--accent);
    }
    .footer-links {
        margin: 0;
        padding: 0;
    }
    .footer-links li {
        margin-bottom: 8px;
    }
    .footer-links a {
        color: rgba(255, 255, 255, 0.64);
        font-size: 14px;
        transition: var(--transition);
    }
    .footer-links a:hover {
        color: var(--primary-light);
        text-decoration: none;
        padding-left: 4px;
    }
    .footer-contact {
        margin: 0;
        padding: 0;
    }
    .footer-contact li {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 10px;
        color: rgba(255, 255, 255, 0.64);
    }
    .footer-contact i {
        color: var(--accent);
        font-size: 14px;
        width: 18px;
        text-align: center;
    }
    .footer-bottom {
        margin-top: 48px;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding: 22px 0;
        text-align: center;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.45);
    }

    /* ===== Responsive ===== */
    @media (max-width: 991.98px) {
        .nav-list li a {
            padding: 0 12px;
            font-size: 14px;
        }
        .hot-tags {
            display: none;
        }
        .category-hero h1 {
            font-size: 36px;
        }
        .highlight-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .process-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 36px 24px;
        }
        .process-grid::before {
            display: none;
        }
        .stats-wrap {
            grid-template-columns: repeat(2, 1fr);
        }
        .feature-text {
            padding: 24px 8px 8px;
        }
        .order-lg-2 .feature-text {
            padding: 24px 8px 8px;
        }
        .category-hero-media {
            max-width: 380px;
        }
    }
    @media (max-width: 767.98px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }
        .section-block {
            padding: 56px 0;
        }
        .header-top .container {
            min-height: 52px;
        }
        .logo {
            font-size: 22px;
        }
        .category-hero {
            padding: 48px 0 48px;
        }
        .category-hero .container {
            flex-direction: column;
            gap: 28px;
        }
        .category-hero-text {
            max-width: 100%;
        }
        .category-hero h1 {
            font-size: 32px;
            margin-bottom: 14px;
        }
        .category-hero .hero-lead {
            font-size: 16px;
        }
        .category-hero-media {
            max-width: 100%;
            min-height: 220px;
            width: 100%;
        }
        .highlight-grid {
            grid-template-columns: 1fr;
        }
        .process-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .stats-wrap {
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .stat-num {
            font-size: 36px;
        }
        .feature-media img {
            height: 220px;
        }
        .feature-text h3 {
            font-size: 22px;
        }
        .section-head h2 {
            font-size: 28px;
        }
        .section-head p {
            font-size: 15px;
        }
        .cta-inner h2 {
            font-size: 28px;
        }
        .cta-inner .btn-custom-primary {
            width: 100%;
            justify-content: center;
        }
        .hero-actions {
            flex-direction: column;
        }
        .hero-actions .btn-custom-primary,
        .hero-actions .btn-custom-outline {
            width: 100%;
            justify-content: center;
        }
        .site-footer .row>div {
            margin-bottom: 32px;
        }
    }
    @media (max-width: 520px) {
        .category-hero h1 {
            font-size: 28px;
        }
        .category-hero-media {
            min-height: 180px;
        }
        .section-head h2 {
            font-size: 24px;
        }
        .feature-meta {
            flex-direction: column;
            gap: 8px;
        }
        .footer-desc {
            max-width: 100%;
        }
    }

/* roulang page: article */
:root {
    --primary: #1D4E89;
    --primary-light: #4A90D9;
    --accent: #E8A33D;
    --bg: #F4F7FA;
    --card-bg: #FFFFFF;
    --text: #1C2B3A;
    --text-muted: #5B6B7C;
    --border: #E4E9EF;
    --dark: #122A44;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 4px 20px rgba(29,78,137,0.06);
    --shadow-hover: 0 12px 32px rgba(29,78,137,0.14);
    --shadow-cta: 0 8px 24px rgba(232,163,61,0.25);
    --transition: 0.25s;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: all var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: 100%; line-height: 1.15; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 3px solid rgba(29,78,137,0.25);
    outline-offset: 2px;
}
.container { max-width: 100%; }
@media (min-width: 576px) { .container { max-width: 540px; } }
@media (min-width: 768px) { .container { max-width: 720px; } }
@media (min-width: 992px) { .container { max-width: 960px; } }
@media (min-width: 1200px) { .container { max-width: 1240px; } }
@media (min-width: 1400px) { .container { max-width: 1280px; } }
.site-header { position: sticky; top: 0; z-index: 1030; background: #fff; box-shadow: 0 2px 12px rgba(29,78,137,0.08); }
.header-top { max-height: 60px; opacity: 1; transition: max-height 0.3s ease, opacity 0.25s ease, margin 0.3s ease; overflow: hidden; background: #fff; padding: 8px 0; }
.site-header.header-scrolled .header-top { max-height: 0; opacity: 0; margin-bottom: -1px; }
.header-nav { background: #fff; border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; gap: 12px; min-height: 56px; }
.logo { display: inline-flex; align-items: center; gap: 8px; font-size: 22px; font-weight: 800; color: var(--primary); white-space: nowrap; }
.logo:hover { color: var(--primary); }
.logo-dot { width: 10px; height: 10px; background: var(--accent); border-radius: 50%; display: inline-block; flex-shrink: 0; }
.header-search { display: flex; align-items: center; background: #F0F3F7; border-radius: 24px; padding: 0 16px; height: 40px; max-width: 320px; width: 100%; }
.header-search input { border: none; background: transparent; flex: 1; outline: none; font-size: 14px; color: var(--text); min-width: 0; }
.header-search input::placeholder { color: #9AA7B5; }
.header-search button { border: none; background: transparent; color: #8492A6; cursor: pointer; padding: 0 4px; }
.header-search button i { font-size: 14px; }
.login-link { color: var(--text-muted); font-size: 14px; display: inline-flex; align-items: center; }
.login-link:hover { color: var(--primary); }
.nav-list { display: flex; list-style: none; margin: 0; padding: 0; }
.nav-list li a { display: block; padding: 15px 18px; font-weight: 600; color: var(--text); border-bottom: 3px solid transparent; font-size: 15px; }
.nav-list li.active a { color: var(--primary); border-bottom-color: var(--primary); }
.nav-list li a:hover { color: var(--primary); background: #EAF2FB; }
.hot-tags { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); white-space: nowrap; margin-left: auto; }
.hot-tags a { background: #F0F3F7; padding: 4px 12px; border-radius: 20px; color: var(--text-muted); font-size: 12px; white-space: nowrap; }
.hot-tags a:hover { background: var(--primary); color: #fff; }
.navbar-toggler { border: 1px solid var(--border); background: #fff; color: var(--primary); padding: 6px 14px; border-radius: 8px; cursor: pointer; display: flex; align-items: center; gap: 8px; }
.navbar-toggler:hover { background: #EAF2FB; }
.mobile-menu { background: #fff; border-bottom: 1px solid var(--border); padding: 8px 0; box-shadow: 0 8px 20px rgba(29,78,137,0.06); }
.mobile-menu a { display: block; padding: 12px 24px; color: var(--text); border-left: 3px solid transparent; font-weight: 500; }
.mobile-menu a.active { border-left-color: var(--primary); color: var(--primary); font-weight: 700; }
.mobile-menu a:hover { background: #F4F8FC; }
.mobile-menu .header-search { max-width: 100%; margin-top: 4px; }
.article-hero {
    background: url('/assets/images/backpic/back-1.webp') right top / cover no-repeat, linear-gradient(135deg, #E8F1FA 0%, #FFFFFF 100%);
    position: relative;
    padding: 68px 0 56px;
    border-bottom: 1px solid rgba(228,233,239,0.6);
}
.article-hero::before {
    content: "";
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background: linear-gradient(90deg, rgba(244,248,252,0.96) 0%, rgba(232,241,250,0.88) 55%, rgba(232,241,250,0.55) 100%);
    z-index: 1;
}
.article-hero .container { position: relative; z-index: 2; }
.breadcrumb-nav { font-size: 14px; color: #8A99AB; margin-bottom: 28px; letter-spacing: 0.02em; }
.breadcrumb-nav a { color: var(--text-muted); }
.breadcrumb-nav a:hover { color: var(--primary); }
.breadcrumb-nav .sep { margin: 0 8px; color: #C1CBD6; }
.breadcrumb-nav .current { color: var(--text); font-weight: 500; }
.article-hero-title { font-size: 38px; font-weight: 800; line-height: 1.3; color: var(--primary); max-width: 820px; margin-bottom: 16px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 16px 24px; font-size: 14px; color: var(--text-muted); margin-top: 10px; }
.article-meta i { color: var(--primary-light); margin-right: 6px; }
.article-meta .category-pill { display: inline-block; background: #EAF2FB; color: var(--primary); padding: 4px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; }
.article-main { padding: 48px 0 24px; }
.article-box { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px 44px; border: 1px solid rgba(228,233,239,0.6); }
.article-content { font-size: 16px; line-height: 1.85; color: #2A3B4D; word-break: break-word; }
.article-content p { margin-bottom: 24px; }
.article-content h2 { font-size: 24px; font-weight: 700; color: var(--primary); margin: 36px 0 20px; line-height: 1.4; }
.article-content h3 { font-size: 20px; font-weight: 700; color: var(--text); margin: 28px 0 16px; line-height: 1.4; }
.article-content h4 { font-size: 18px; font-weight: 700; margin: 24px 0 12px; }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 24px; }
.article-content li { margin-bottom: 8px; }
.article-content a { text-decoration: underline; text-underline-offset: 2px; }
.article-content img { border-radius: 12px; margin: 24px 0; box-shadow: var(--shadow); width: 100%; height: auto; }
.article-content blockquote { border-left: 4px solid var(--primary); background: #F4F8FC; padding: 16px 24px; margin: 24px 0; border-radius: 0 12px 12px 0; color: var(--text-muted); font-style: normal; }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
.article-content table th { background: #F0F6FC; }
.article-content table th, .article-content table td { border: 1px solid var(--border); padding: 12px 16px; }
.article-content pre { background: #122A44; color: #EAF2FB; padding: 20px 24px; border-radius: 12px; overflow-x: auto; margin: 24px 0; font-size: 14px; line-height: 1.7; }
.article-content hr { border: none; border-top: 1px solid var(--border); margin: 36px 0; }
.not-found { text-align: center; padding: 60px 24px; }
.not-found .nf-icon { font-size: 52px; color: #B8C4D0; margin-bottom: 16px; display: block; }
.not-found h2 { font-size: 26px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.not-found p { color: var(--text-muted); margin-bottom: 20px; }
.btn-outline-primary { display: inline-block; border: 1.5px solid var(--primary); color: var(--primary); background: transparent; padding: 10px 24px; border-radius: 10px; font-weight: 600; transition: all var(--transition); }
.btn-outline-primary:hover { background: var(--primary); color: #fff; }
.sidebar-sticky { position: sticky; top: 120px; }
.sidebar-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; margin-bottom: 24px; border: 1px solid rgba(228,233,239,0.6); }
.sidebar-title { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 16px; padding-left: 14px; position: relative; }
.sidebar-title::before { content: ""; position: absolute; left: 0; top: 6px; width: 4px; height: 18px; background: var(--primary); border-radius: 2px; }
.sidebar-list { list-style: none; padding: 0; margin: 0; }
.sidebar-list li { padding: 12px 0; border-bottom: 1px dashed var(--border); }
.sidebar-list li:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-list li:first-child { padding-top: 0; }
.sidebar-list li a { color: var(--text); font-size: 14px; font-weight: 500; display: block; line-height: 1.5; }
.sidebar-list li a:hover { color: var(--primary); }
.sidebar-list .date { font-size: 12px; color: #9AA7B5; margin-top: 3px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a { background: #F0F3F7; border-radius: 20px; padding: 5px 14px; font-size: 13px; color: var(--text-muted); transition: all var(--transition); }
.tag-cloud a:hover { background: var(--primary); color: #fff; }
.related-section { background: #fff; padding: 64px 0; margin-top: 48px; border-top: 1px solid var(--border); }
.section-heading { font-size: 30px; font-weight: 750; color: var(--primary); margin-bottom: 8px; position: relative; }
.section-sub { color: var(--text-muted); font-size: 15px; margin-bottom: 36px; }
.related-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all var(--transition); height: 100%; display: flex; flex-direction: column; }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card .thumb { width: 100%; height: 190px; object-fit: cover; }
.related-card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.badge-tag { display: inline-block; background: #EAF2FB; color: var(--primary); border-radius: 20px; padding: 4px 12px; font-size: 12px; font-weight: 600; align-self: flex-start; }
.related-card h3 { font-size: 17px; font-weight: 700; margin: 12px 0 8px; line-height: 1.5; }
.related-card h3 a { color: var(--text); }
.related-card h3 a:hover { color: var(--primary); }
.related-card p { font-size: 14px; color: var(--text-muted); margin: 0 0 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.65; }
.related-meta { font-size: 13px; color: #9AA7B5; margin-top: auto; }
.related-meta i { margin-right: 5px; }
.article-cta { background: var(--dark); padding: 56px 0; color: #fff; }
.article-cta h2 { color: #fff; font-size: 28px; font-weight: 700; margin-bottom: 12px; }
.article-cta p { color: rgba(255,255,255,0.75); font-size: 15px; margin-bottom: 24px; max-width: 720px; }
.cta-btn { display: inline-block; background: var(--accent); color: #fff; font-weight: 700; padding: 14px 32px; border-radius: 10px; box-shadow: var(--shadow-cta); transition: all var(--transition); border: none; cursor: pointer; font-size: 16px; }
.cta-btn:hover { background: #D6922F; transform: translateY(-2px); color: #fff; }
.outline-btn-light { display: inline-block; border: 2px solid rgba(255,255,255,0.8); color: #fff; padding: 12px 28px; border-radius: 10px; font-weight: 600; background: transparent; transition: all var(--transition); }
.outline-btn-light:hover { background: #fff; color: var(--dark); }
.site-footer { background: var(--dark); color: rgba(255,255,255,0.7); padding-top: 56px; }
.footer-brand { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); margin-bottom: 0; }
.site-footer h4 { color: #fff; font-size: 16px; font-weight: 600; margin: 8px 0 16px; letter-spacing: 0.02em; }
.footer-links, .footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-links li, .footer-contact li { margin-bottom: 10px; }
.footer-links a, .footer-contact a { color: rgba(255,255,255,0.6); font-size: 14px; transition: all var(--transition); }
.footer-links a:hover, .footer-contact a:hover { color: var(--primary-light); }
.footer-contact i { margin-right: 8px; color: var(--primary-light); width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 16px 0; margin-top: 40px; font-size: 13px; color: rgba(255,255,255,0.45); }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; align-items: center; gap: 8px; }
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: #fff; }
@media (max-width: 991.98px) {
    .hot-tags { display: none; }
    .nav-list { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .nav-list li a { padding: 14px 16px; font-size: 14px; white-space: nowrap; }
    .nav-list::-webkit-scrollbar { display: none; }
    .article-hero { padding: 48px 0 40px; }
    .article-hero-title { font-size: 30px; }
    .article-box { padding: 28px 24px; }
    .related-section { padding: 48px 0; }
    .section-heading { font-size: 26px; }
}
@media (max-width: 767.98px) {
    .article-hero-title { font-size: 26px; }
    .article-box { padding: 24px 18px; }
    .article-meta { gap: 10px 16px; }
    .sidebar-sticky { position: static; }
    .article-main { padding: 32px 0 16px; }
    .related-card .thumb { height: 220px; }
    .article-cta { padding: 44px 0; }
    .cta-btn, .outline-btn-light { width: 100%; text-align: center; margin-bottom: 10px; }
    .footer-bottom .container { flex-direction: column; text-align: center; }
}

/* roulang page: category3 */
:root {
      --brand: #1D4E89;
      --brand-light: #4A90D9;
      --accent: #E8A33D;
      --accent-dark: #c9872a;
      --bg: #F4F7FA;
      --card: #FFFFFF;
      --text: #1C2B3A;
      --text-secondary: #5B6B7C;
      --border: #E4E9EF;
      --dark: #122A44;
      --radius: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 4px 20px rgba(29, 78, 137, 0.06);
      --shadow-md: 0 12px 32px rgba(29, 78, 137, 0.14);
      --shadow-accent: 0 8px 24px rgba(232, 163, 61, 0.25);
      --transition: 0.25s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.75;
      margin: 0;
      padding: 0;
    }

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

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

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

    .container {
      max-width: 1280px;
      padding-left: 24px;
      padding-right: 24px;
    }

    .section-pad {
      padding: 80px 0;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 750;
      color: var(--text);
      margin-bottom: 12px;
      letter-spacing: -0.02em;
      line-height: 1.3;
    }

    .section-subtitle {
      color: var(--text-secondary);
      font-size: 1rem;
      max-width: 680px;
      margin-bottom: 40px;
      line-height: 1.75;
    }

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

    /* ===== Header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 3px 12px rgba(29, 78, 137, 0.07);
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: saturate(180%) blur(10px);
    }

    .header-top {
      background: var(--card);
      border-bottom: 1px solid var(--border);
      height: 44px;
      display: flex;
      align-items: center;
    }

    .header-top .container,
    .header-top .row {
      height: 44px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--brand);
      letter-spacing: -0.01em;
    }

    .logo-dot {
      width: 10px;
      height: 10px;
      background: var(--accent);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 0 4px rgba(232, 163, 61, 0.18);
    }

    .header-search {
      display: flex;
      align-items: center;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 999px;
      height: 34px;
      padding: 0 12px;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .header-search:focus-within {
      border-color: var(--brand-light);
      box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.12);
    }

    .header-search input {
      border: none;
      outline: none;
      background: transparent;
      width: 200px;
      font-size: 0.86rem;
      color: var(--text);
    }

    .header-search input::placeholder {
      color: var(--text-secondary);
    }

    .header-search button {
      border: none;
      background: transparent;
      color: var(--text-secondary);
      padding: 0 4px;
      cursor: pointer;
      transition: color var(--transition);
    }

    .header-search button:hover {
      color: var(--brand);
    }

    .login-link {
      font-size: 0.88rem;
      color: var(--text-secondary);
      font-weight: 500;
      transition: color var(--transition);
    }

    .login-link:hover {
      color: var(--brand);
    }

    .header-nav {
      background: var(--card);
      border-bottom: 1px solid var(--border);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      height: 56px;
    }

    .nav-list {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 4px;
    }

    .nav-list li a {
      display: inline-block;
      padding: 14px 18px;
      font-size: 0.96rem;
      font-weight: 600;
      color: var(--text);
      border-bottom: 3px solid transparent;
      transition: color var(--transition), background var(--transition), border-color var(--transition);
    }

    .nav-list li a:hover {
      color: var(--brand);
      background: rgba(74, 144, 217, 0.06);
    }

    .nav-list li.active a {
      color: var(--brand);
      border-bottom-color: var(--brand);
    }

    .hot-tags {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: auto;
      font-size: 0.78rem;
      color: var(--text-secondary);
      white-space: nowrap;
      overflow: hidden;
    }

    .hot-tags a {
      background: #eef2f7;
      border-radius: 999px;
      padding: 3px 12px;
      color: var(--text-secondary);
      font-size: 0.78rem;
      transition: background var(--transition), color var(--transition);
    }

    .hot-tags a:hover {
      background: rgba(74, 144, 217, 0.14);
      color: var(--brand);
    }

    .navbar-toggler {
      border: none;
      background: transparent;
      font-size: 1.2rem;
      color: var(--brand);
      padding: 6px 10px;
      transition: background var(--transition);
    }

    .navbar-toggler:hover {
      background: rgba(74, 144, 217, 0.08);
      border-radius: 8px;
    }

    .mobile-menu {
      background: var(--card);
      border-top: 1px solid var(--border);
      box-shadow: 0 8px 24px rgba(29, 78, 137, 0.08);
      padding: 10px 0;
    }

    .mobile-menu a {
      display: block;
      padding: 12px 24px;
      font-size: 1rem;
      font-weight: 600;
      color: var(--text);
      transition: background var(--transition), color var(--transition);
    }

    .mobile-menu a:hover {
      background: rgba(74, 144, 217, 0.06);
      color: var(--brand);
    }

    .mobile-menu a.active {
      color: var(--brand);
      background: rgba(74, 144, 217, 0.08);
    }

    /* ===== Page Hero ===== */
    .page-hero {
      background: linear-gradient(135deg, #E8F1FA 0%, #f6fafd 50%, #ffffff 100%);
      padding: 72px 0 64px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border);
    }

    .page-hero::before {
      content: "";
      position: absolute;
      top: -80px;
      right: -40px;
      width: 380px;
      height: 380px;
      background: radial-gradient(circle, rgba(74, 144, 217, 0.12) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .hero-left {
      padding-right: 30px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(74, 144, 217, 0.1);
      color: var(--brand);
      border: 1px solid rgba(74, 144, 217, 0.2);
      border-radius: 999px;
      padding: 6px 18px;
      font-size: 0.82rem;
      font-weight: 600;
      margin-bottom: 18px;
    }

    .page-hero h1 {
      font-size: 2.7rem;
      font-weight: 800;
      line-height: 1.2;
      color: var(--text);
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }

    .page-hero h1 span {
      color: var(--brand);
    }

    .page-hero p.lead {
      font-size: 1.05rem;
      color: var(--text-secondary);
      margin-bottom: 28px;
      line-height: 1.8;
      max-width: 540px;
    }

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

    .btn-accent {
      background: var(--accent);
      border: none;
      color: #fff;
      font-size: 1rem;
      font-weight: 600;
      padding: 12px 30px;
      border-radius: 10px;
      box-shadow: var(--shadow-accent);
      transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    .btn-accent:hover {
      background: var(--accent-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(232, 163, 61, 0.32);
    }

    .btn-accent:active {
      transform: translateY(0);
      box-shadow: 0 4px 12px rgba(232, 163, 61, 0.2);
    }

    .btn-outline-brand {
      background: transparent;
      border: 2px solid var(--brand);
      color: var(--brand);
      font-size: 1rem;
      font-weight: 600;
      padding: 10px 28px;
      border-radius: 10px;
      transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
    }

    .btn-outline-brand:hover {
      background: rgba(74, 144, 217, 0.08);
      color: var(--brand);
      border-color: var(--brand-light);
      transform: translateY(-2px);
    }

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

    .hero-right {
      text-align: center;
    }

    .hero-right img {
      border-radius: 18px;
      box-shadow: 0 20px 48px rgba(29, 78, 137, 0.16);
      max-height: 340px;
      width: 100%;
      object-fit: cover;
      transition: transform var(--transition);
    }

    .hero-right img:hover {
      transform: scale(1.02);
    }

    /* ===== Ticket Cards ===== */
    .ticket-section {
      background: #fff;
    }

    .ticket-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      padding: 32px 26px;
      height: 100%;
      transition: box-shadow var(--transition), transform var(--transition);
      position: relative;
      display: flex;
      flex-direction: column;
    }

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

    .ticket-card .ticket-img {
      border-radius: 14px;
      overflow: hidden;
      height: 170px;
      margin-bottom: 22px;
      background: var(--bg);
    }

    .ticket-card .ticket-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .ticket-name {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .ticket-price {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text);
      line-height: 1.2;
      margin-bottom: 14px;
    }

    .ticket-price small {
      font-size: 0.9rem;
      font-weight: 400;
      color: var(--text-secondary);
    }

    .ticket-desc {
      color: var(--text-secondary);
      font-size: 0.92rem;
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .ticket-list {
      list-style: none;
      padding: 0;
      margin: 0 0 22px;
      flex-grow: 1;
    }

    .ticket-list li {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      font-size: 0.88rem;
      color: var(--text);
      padding: 5px 0;
    }

    .ticket-list li i {
      color: var(--brand-light);
      margin-top: 5px;
    }

    .btn-choose {
      width: 100%;
      background: var(--brand);
      color: #fff;
      border: none;
      border-radius: 10px;
      padding: 12px 20px;
      font-size: 1rem;
      font-weight: 600;
      transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
    }

    .btn-choose:hover {
      background: #16406f;
      box-shadow: 0 8px 20px rgba(29, 78, 137, 0.25);
      color: #fff;
      transform: translateY(-1px);
    }

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

    .ticket-card.vip {
      border: 2px solid var(--brand);
      box-shadow: 0 16px 40px rgba(29, 78, 137, 0.2);
      background: linear-gradient(180deg, #f8fbff 0%, #fff 100%);
    }

    .ticket-card.vip .ticket-name {
      color: var(--brand);
    }

    .recommend-badge {
      position: absolute;
      top: -14px;
      right: 20px;
      background: var(--accent);
      color: #fff;
      border-radius: 999px;
      padding: 5px 18px;
      font-size: 0.78rem;
      font-weight: 700;
      box-shadow: 0 6px 16px rgba(232, 163, 61, 0.35);
    }

    .ticket-card.group {
      background: linear-gradient(180deg, #f2f8ff 0%, #fff 100%);
      border-color: rgba(74, 144, 217, 0.35);
    }

    .ticket-card.group .btn-choose {
      background: var(--brand-light);
    }

    .ticket-card.group .btn-choose:hover {
      background: var(--brand);
    }

    /* ===== Steps ===== */
    .steps-section {
      background: var(--bg);
      padding: 90px 0;
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      margin-top: 20px;
    }

    .step-item {
      position: relative;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: box-shadow var(--transition), transform var(--transition);
    }

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

    .step-item::after {
      content: "→";
      position: absolute;
      top: 50%;
      right: -26px;
      transform: translateY(-50%);
      font-size: 1.4rem;
      color: rgba(74, 144, 217, 0.5);
      z-index: 2;
    }

    .step-item:last-child::after {
      display: none;
    }

    .step-num {
      width: 40px;
      height: 40px;
      background: var(--brand);
      color: #fff;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 16px;
    }

    .step-item h3 {
      font-size: 1.12rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-item p {
      color: var(--text-secondary);
      font-size: 0.9rem;
      line-height: 1.7;
      margin: 0;
    }

    .steps-grid .step-item:nth-child(2) .step-num {
      background: var(--brand-light);
    }

    .steps-grid .step-item:nth-child(3) .step-num {
      background: var(--accent);
    }

    .steps-grid .step-item:nth-child(4) .step-num {
      background: #2f9d7a;
    }

    /* ===== Compare Table ===== */
    .compare-section {
      background: #fff;
      padding: 90px 0;
    }

    .table-wrap {
      background: var(--card);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      overflow-x: auto;
      padding: 10px;
    }

    .compare-table {
      width: 100%;
      min-width: 720px;
      border-collapse: separate;
      border-spacing: 0;
      font-size: 0.92rem;
    }

    .compare-table th,
    .compare-table td {
      padding: 14px 20px;
      text-align: center;
      border-bottom: 1px solid var(--border);
      vertical-align: middle;
    }

    .compare-table th {
      background: #f0f5fb;
      font-weight: 600;
      color: var(--text);
      font-size: 0.9rem;
    }

    .compare-table th:first-child {
      text-align: left;
      min-width: 120px;
    }

    .compare-table td:first-child {
      text-align: left;
      font-weight: 500;
      color: var(--text-secondary);
    }

    .compare-table td {
      color: var(--text);
      font-size: 0.9rem;
    }

    .compare-table tr:last-child th,
    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .compare-table .col-vip {
      background: #f7fbff;
      border-left: 2px solid var(--brand);
      border-right: 2px solid var(--brand);
      font-weight: 600;
      position: relative;
    }

    .compare-table .col-plus {
      color: var(--brand);
      font-weight: 700;
    }

    .compare-table .col-minus {
      color: #b6c0cc;
    }

    .table-recommend {
      display: inline-block;
      background: var(--accent);
      color: #fff;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 999px;
      margin-left: 6px;
      vertical-align: middle;
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: var(--bg);
      padding: 90px 0;
    }

    .faq-container {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: box-shadow var(--transition);
    }

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

    .faq-item .accordion-button {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text);
      background: var(--card);
      padding: 20px 24px;
      border: none;
      box-shadow: none;
      transition: background var(--transition), color var(--transition);
    }

    .faq-item .accordion-button:not(.collapsed) {
      background: #f0f6fc;
      color: var(--brand);
    }

    .faq-item .accordion-button:focus {
      box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.12);
    }

    .faq-item .accordion-body {
      padding: 0 24px 20px;
      color: var(--text-secondary);
      font-size: 0.92rem;
      line-height: 1.75;
    }

    .faq-item .accordion-button::after {
      background-image: none;
      content: "+";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      color: var(--brand);
      font-size: 1.2rem;
      transform: none;
      transition: transform var(--transition);
      width: auto;
      height: auto;
      background-size: auto;
    }

    .faq-item .accordion-button:not(.collapsed)::after {
      transform: rotate(45deg);
      color: var(--accent);
    }

    /* ===== Signup Section ===== */
    .signup-section {
      background: linear-gradient(135deg, #122A44 0%, #1D4E89 100%);
      color: #fff;
      position: relative;
      overflow: hidden;
      padding: 100px 0;
    }

    .signup-section::before {
      content: "";
      position: absolute;
      top: -100px;
      right: -60px;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(74, 144, 217, 0.2) 0%, transparent 70%);
      border-radius: 50%;
    }

    .signup-left {
      padding-right: 40px;
    }

    .signup-left h2 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 20px;
      line-height: 1.3;
    }

    .signup-left p {
      color: rgba(255, 255, 255, 0.8);
      font-size: 1rem;
      margin-bottom: 32px;
      line-height: 1.8;
    }

    .signup-points {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 30px;
    }

    .signup-point {
      display: flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 999px;
      padding: 8px 20px;
      font-size: 0.88rem;
      font-weight: 500;
    }

    .signup-point i {
      color: var(--accent);
    }

    .signup-contact {
      display: flex;
      align-items: center;
      gap: 12px;
      color: rgba(255, 255, 255, 0.85);
      font-size: 1.15rem;
      font-weight: 600;
    }

    .signup-contact i {
      color: var(--accent);
      font-size: 1.3rem;
    }

    .signup-form-wrap {
      background: var(--card);
      border-radius: var(--radius-lg);
      padding: 40px;
      color: var(--text);
      box-shadow: 0 20px 48px rgba(0, 0, 0, 0.25);
      max-width: 520px;
      margin-left: auto;
    }

    .signup-form-wrap h3 {
      font-size: 1.5rem;
      font-weight: 750;
      margin-bottom: 6px;
    }

    .signup-form-wrap .form-desc {
      font-size: 0.88rem;
      color: var(--text-secondary);
      margin-bottom: 24px;
    }

    .signup-form-wrap .form-label {
      color: var(--text);
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .signup-form-wrap .form-control,
    .signup-form-wrap .form-select {
      height: 48px;
      border: 1px solid #d6dee6;
      border-radius: 10px;
      padding: 10px 14px;
      font-size: 0.95rem;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .signup-form-wrap .form-control:focus,
    .signup-form-wrap .form-select:focus {
      border-color: var(--brand-light);
      box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.12);
    }

    .signup-form-wrap textarea.form-control {
      height: auto;
      min-height: 100px;
      resize: vertical;
    }

    .btn-submit {
      background: var(--accent);
      border: none;
      color: #fff;
      width: 100%;
      padding: 14px;
      font-size: 1rem;
      font-weight: 700;
      border-radius: 10px;
      transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
    }

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

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

    .form-safe {
      font-size: 0.78rem;
      color: var(--text-secondary);
      margin-top: 14px;
      text-align: center;
    }

    .form-safe i {
      color: #2f9d7a;
    }

    /* ===== CTA Banner ===== */
    .cta-section {
      padding: 80px 0;
      background: #fff;
    }

    .cta-banner {
      background: linear-gradient(135deg, #E8F1FA 0%, #f6fafd 100%);
      border: 1px solid rgba(74, 144, 217, 0.14);
      border-radius: 20px;
      padding: 60px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      flex-wrap: wrap;
    }

    .cta-banner h2 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text);
      margin-bottom: 10px;
    }

    .cta-banner p {
      color: var(--text-secondary);
      font-size: 1rem;
      margin-bottom: 0;
    }

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

    .btn-dark-brand {
      background: var(--brand);
      border: none;
      color: #fff;
      padding: 13px 30px;
      border-radius: 10px;
      font-size: 1rem;
      font-weight: 600;
      transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    .btn-dark-brand:hover {
      background: #16406f;
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(29, 78, 137, 0.25);
    }

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

    .btn-light-outline {
      background: transparent;
      border: 2px solid var(--brand);
      color: var(--brand);
      padding: 11px 28px;
      border-radius: 10px;
      font-size: 1rem;
      font-weight: 600;
      transition: background var(--transition), color var(--transition), transform var(--transition);
    }

    .btn-light-outline:hover {
      background: rgba(29, 78, 137, 0.06);
      color: var(--brand);
      transform: translateY(-2px);
    }

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

    /* ===== Footer ===== */
    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, 0.78);
      padding: 70px 0 0;
      font-size: 0.92rem;
    }

    .site-footer .footer-brand {
      font-size: 1.4rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
    }

    .site-footer .footer-desc {
      color: rgba(255, 255, 255, 0.65);
      line-height: 1.8;
      font-size: 0.88rem;
      margin-bottom: 24px;
    }

    .site-footer h4 {
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }

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

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

    .site-footer .footer-links a {
      color: rgba(255, 255, 255, 0.65);
      font-size: 0.88rem;
      transition: color var(--transition);
    }

    .site-footer .footer-links a:hover {
      color: var(--brand-light);
      padding-left: 3px;
    }

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

    .site-footer .footer-contact li {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 10px;
      color: rgba(255, 255, 255, 0.65);
      font-size: 0.88rem;
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      margin-top: 50px;
      padding: 18px 0;
      font-size: 0.82rem;
      color: rgba(255, 255, 255, 0.5);
      text-align: center;
    }

    /* ===== Back to top ===== */
    .back-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 44px;
      height: 44px;
      background: var(--brand);
      color: #fff;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 8px 24px rgba(29, 78, 137, 0.25);
      opacity: 0;
      visibility: hidden;
      transform: translateY(10px);
      transition: opacity var(--transition), transform var(--transition), background var(--transition);
      z-index: 999;
    }

    .back-top.show {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .back-top:hover {
      background: var(--brand-light);
      color: #fff;
    }

    /* ===== Responsive ===== */
    @media (max-width: 991px) {
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }

      .step-item::after {
        display: none;
      }

      .hero-left {
        padding-right: 0;
        margin-bottom: 36px;
      }

      .page-hero h1 {
        font-size: 2.2rem;
      }

      .section-title {
        font-size: 1.7rem;
      }

      .signup-form-wrap {
        margin-left: 0;
        margin-top: 40px;
        max-width: 100%;
      }

      .cta-banner {
        padding: 40px 28px;
      }
    }

    @media (max-width: 767px) {
      .section-pad {
        padding: 52px 0;
      }

      .page-hero {
        padding: 44px 0 44px;
      }

      .page-hero h1 {
        font-size: 1.7rem;
      }

      .page-hero p.lead {
        font-size: 0.95rem;
      }

      .btn-accent,
      .btn-outline-brand {
        width: 100%;
        text-align: center;
        justify-content: center;
      }

      .hero-actions {
        flex-direction: column;
      }

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

      .ticket-card {
        margin-bottom: 20px;
      }

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

      .signup-form-wrap {
        padding: 28px 20px;
      }

      .cta-banner {
        flex-direction: column;
        text-align: center;
      }

      .cta-banner .cta-right {
        justify-content: center;
      }

      .back-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .page-hero h1 {
        font-size: 1.5rem;
      }

      .section-title {
        font-size: 1.45rem;
      }

      .compare-table th,
      .compare-table td {
        padding: 12px 10px;
        font-size: 0.82rem;
      }
    }

    /* ===== Focus states ===== */
    a:focus-visible,
    button:focus-visible {
      outline: 3px solid rgba(74, 144, 217, 0.45);
      outline-offset: 2px;
      border-radius: 4px;
    }