/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --primary:#2F6BFF;
  --primary-light:#EBF2FF;
  --primary-border:#D6E4FF;
  --accent:#FF8A3C;
  --accent-dark:#F07A2A;
  --accent-light:#FFF1E8;
  --bg:#F7FAFC;
  --bg-blue:#F2F8FF;
  --text:#1F2937;
  --text-secondary:#6B7280;
  --border:#E5E7EB;
  --card-divider:#F1F3F5;
  --white:#ffffff;
  --dark:#12233B;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:8px;
  --radius-full:999px;
  --shadow-card:0 4px 16px rgba(47,107,255,0.06);
  --shadow-hover:0 8px 24px rgba(47,107,255,0.12);
  --shadow-cta:0 8px 24px rgba(255,138,60,0.18);
  --shadow-header:0 2px 12px rgba(0,0,0,0.04);
  --header-h:72px;
  --space-section:88px;
  --space-mobile:48px;
  --font-stack:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
}
/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:16px;}
body{
  font-family:var(--font-stack);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
ul,ol{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--space-section) 0;}
.section-alt{background:var(--white);}
.section-blue{background:var(--bg-blue);}
.section-head{text-align:center;margin-bottom:48px;}
.section-head .tag{
  display:inline-block;
  background:var(--primary-light);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  padding:4px 14px;
  border-radius:var(--radius-full);
  margin-bottom:12px;
  letter-spacing:1px;
}
.section-head h2{
  font-size:32px;
  font-weight:700;
  color:var(--text);
  line-height:1.3;
  margin-bottom:12px;
}
.section-head p{color:var(--text-secondary);font-size:16px;max-width:560px;margin:0 auto;}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--radius-md);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:all .25s ease;
  white-space:nowrap;
  line-height:1;
  text-align:center;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 4px 12px rgba(255,138,60,0.25);
}
.btn-primary:hover{
  background:var(--accent-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(255,138,60,0.32);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(255,138,60,0.2);}
.btn-outline{
  background:transparent;
  color:var(--primary);
  border:1px solid var(--primary);
}
.btn-outline:hover{
  background:var(--primary-light);
  color:var(--primary);
  transform:translateY(-2px);
  box-shadow:0 6px 16px rgba(47,107,255,0.1);
}
.btn-outline:active{transform:translateY(0);}
.btn-block{width:100%;}
.btn-lg{height:50px;padding:0 34px;font-size:16px;}
.btn-white{
  background:#fff;
  color:var(--accent);
  border:1px solid #fff;
}
.btn-white:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,255,255,0.25);}
.btn-dark{background:var(--primary);color:#fff;}
.btn-dark:hover{background:#2458E6;color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(47,107,255,0.3);}
a.btn:focus,button.btn:focus,button:focus,input:focus,select:focus,textarea:focus{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
/* ===== 导航 ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  height:var(--header-h);
  display:flex;
  align-items:center;
  background:rgba(255,255,255,0.45);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,0.5);
  box-shadow:0 1px 8px rgba(0,0,0,0.03);
  transition:all .3s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,0.92);
  box-shadow:0 4px 18px rgba(0,0,0,0.06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-icon{
  width:38px;height:38px;
  background:var(--primary);
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:18px;
  box-shadow:0 4px 12px rgba(47,107,255,0.3);
}
.brand-text{
  font-size:20px;
  font-weight:700;
  color:var(--text);
  letter-spacing:0.5px;
  line-height:1.2;
}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  padding:8px 18px;
  color:var(--text-secondary);
  font-size:15px;
  font-weight:500;
  border-radius:var(--radius-full);
  transition:all .2s ease;
}
.main-nav a:hover{color:var(--primary);background:var(--primary-light);}
.main-nav a.active{color:var(--primary);background:var(--primary-light);font-weight:600;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--border);
  border-radius:8px;
  background:#fff;
  color:var(--text);
  font-size:18px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
/* ===== Hero ===== */
.hero{
  position:relative;
  padding:calc(var(--header-h) + 60px) 0 72px;
  background-color:var(--bg-blue);
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;
  top:-80px;right:-60px;
  width:360px;height:360px;
  border-radius:50%;
  background:rgba(47,107,255,0.08);
  z-index:0;
}
.hero::after{
  content:'';
  position:absolute;
  bottom:-40px;left:-70px;
  width:280px;height:280px;
  border:3px solid rgba(255,138,60,0.18);
  border-radius:50%;
  z-index:0;
}
.hero .grid-container{position:relative;z-index:1;}
.hero-copy{
  padding-right:32px;
}
.hero h1{
  font-size:44px;
  font-weight:800;
  color:var(--text);
  line-height:1.25;
  margin-bottom:20px;
  letter-spacing:1px;
}
.hero h1 .accent-text{
  color:var(--primary);
  position:relative;
}
.hero-sub{
  font-size:17px;
  color:var(--text-secondary);
  line-height:1.7;
  margin-bottom:32px;
  max-width:420px;
}
.hero-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}
.hero-note{
  margin-top:18px;
  font-size:13px;
  color:var(--text-secondary);
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-note i{color:var(--primary);}
.hero-scroll{
  position:absolute;
  bottom:24px;
  left:50%;
  transform:translateX(-50%);
  z-index:2;
  color:var(--text-secondary);
  font-size:20px;
  animation:bounce 2s infinite;
  cursor:pointer;
}
@keyframes bounce{
  0%,20%,50%,80%,100%{transform:translate(-50%,0);}
  40%{transform:translate(-50%,-8px);}
  60%{transform:translate(-50%,-4px);}
}
.login-panel{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:36px 32px;
  box-shadow:var(--shadow-cta);
  border:1px solid rgba(255,255,255,0.6);
}
.login-panel h3{
  font-size:22px;
  font-weight:700;
  color:var(--text);
  margin-bottom:6px;
}
.login-panel .login-sub{
  font-size:14px;
  color:var(--text-secondary);
  margin-bottom:24px;
}
.form-group{margin-bottom:18px;}
.form-label{
  display:block;
  font-size:14px;
  font-weight:500;
  color:var(--text);
  margin-bottom:6px;
}
.form-input{
  width:100%;
  height:44px;
  border:1px solid #D1D5DB;
  border-radius:var(--radius-sm);
  padding:0 14px;
  font-size:15px;
  color:var(--text);
  background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(47,107,255,0.15);
  outline:none;
}
.form-input::placeholder{color:#9CA3AF;}
.login-links{
  display:flex;
  justify-content:space-between;
  margin-top:14px;
  font-size:14px;
}
.login-links a{color:var(--text-secondary);}
.login-links a:hover{color:var(--primary);}
.login-panel .btn{margin-top:6px;}
/* ===== 数据信任条 ===== */
.stats-bar{
  background:var(--white);
  border-bottom:1px solid var(--border);
  padding:36px 0;
}
.stats-grid{
  display:flex;
  justify-content:space-between;
  gap:24px;
}
.stat-item{
  text-align:center;
  flex:1;
}
.stat-num{
  font-size:36px;
  font-weight:700;
  color:var(--primary);
  line-height:1.2;
}
.stat-num em{
  font-size:20px;
  font-style:normal;
  margin-left:2px;
}
.stat-label{
  font-size:14px;
  color:var(--text-secondary);
  margin-top:4px;
}
/* ===== 时间线 ===== */
.timeline-wrap{
  position:relative;
  padding:20px 0;
}
.timeline-wrap::before{
  content:'';
  position:absolute;
  top:0;bottom:0;
  left:50%;
  width:2px;
  background:var(--primary-border);
  transform:translateX(-50%);
}
.timeline-item{
  position:relative;
  width:50%;
  padding:0 40px 40px;
}
.timeline-item:nth-child(odd){left:0;text-align:right;}
.timeline-item:nth-child(even){left:50%;text-align:left;}
.timeline-dot{
  position:absolute;
  top:6px;
  width:30px;height:30px;
  background:var(--primary);
  border-radius:50%;
  border:4px solid #fff;
  box-shadow:0 0 0 2px var(--primary-border),0 4px 12px rgba(47,107,255,0.25);
  z-index:2;
}
.timeline-item:nth-child(odd) .timeline-dot{right:-15px;}
.timeline-item:nth-child(even) .timeline-dot{left:-15px;}
.timeline-card{
  display:inline-block;
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:22px 24px;
  box-shadow:var(--shadow-card);
  border:1px solid var(--border);
  max-width:400px;
  text-align:left;
  transition:all .25s ease;
}
.timeline-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
}
.timeline-date{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  display:inline-block;
  background:var(--primary-light);
  padding:2px 10px;
  border-radius:var(--radius-full);
  margin-bottom:8px;
}
.timeline-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:6px;}
.timeline-card p{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:0;}
/* ===== 嘉宾卡片 ===== */
.guest-card{
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow-card);
  border:1px solid var(--border);
  transition:all .3s ease;
  height:100%;
  text-align:center;
}
.guest-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
  border-color:var(--primary-border);
}
.guest-img{
  width:90px;height:90px;
  border-radius:50%;
  object-fit:cover;
  margin:0 auto 16px;
  border:3px solid var(--primary-light);
  box-shadow:0 4px 12px rgba(47,107,255,0.1);
}
.guest-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:4px;}
.guest-role{
  font-size:13px;
  color:var(--primary);
  font-weight:500;
  margin-bottom:10px;
}
.guest-desc{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:0;}
/* ===== 票种对比 ===== */
.ticket-grid{
  display:flex;
  align-items:flex-end;
  gap:24px;
  justify-content:center;
}
.ticket-card{
  flex:1;
  max-width:340px;
  background:var(--white);
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  transition:all .3s ease;
  position:relative;
}
.ticket-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.ticket-card.vip{
  border-top:4px solid var(--accent);
  box-shadow:var(--shadow-cta);
  flex:1.08;
  transform:translateY(-10px);
}
.ticket-card.vip:hover{transform:translateY(-12px);}
.ticket-badge{
  position:absolute;
  top:18px;right:-32px;
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:600;
  padding:4px 36px;
  transform:rotate(45deg);
  box-shadow:0 4px 10px rgba(255,138,60,0.3);
  z-index:2;
}
.ticket-head{
  padding:28px 28px 16px;
  text-align:center;
  border-bottom:1px solid var(--card-divider);
}
.ticket-head h3{font-size:20px;font-weight:700;color:var(--text);}
.ticket-price{
  font-size:36px;
  font-weight:700;
  color:var(--text);
  margin-top:10px;
  line-height:1.2;
}
.ticket-price span{font-size:16px;font-weight:500;color:var(--text-secondary);margin-left:4px;}
.ticket-body{padding:20px 28px 28px;}
.ticket-body ul li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text);
  padding:7px 0;
  line-height:1.5;
}
.ticket-body ul li i{
  color:var(--primary);
  margin-top:4px;
  font-size:13px;
}
.ticket-body .btn{width:100%;margin-top:18px;}
/* ===== CTA 报名区 ===== */
.cta-register{
  padding:var(--space-section) 0;
}
.cta-box{
  background:var(--accent);
  border-radius:24px;
  padding:64px 56px;
  position:relative;
  overflow:hidden;
  text-align:center;
  color:#fff;
  box-shadow:0 12px 36px rgba(255,138,60,0.28);
}
.cta-box::before{
  content:'';
  position:absolute;
  top:-60px;right:-60px;
  width:200px;height:200px;
  border-radius:50%;
  background:rgba(255,255,255,0.1);
}
.cta-box::after{
  content:'';
  position:absolute;
  bottom:-80px;left:-40px;
  width:240px;height:240px;
  border-radius:50%;
  background:rgba(255,255,255,0.08);
}
.cta-content{position:relative;z-index:2;}
.cta-box h2{
  font-size:32px;
  font-weight:700;
  margin-bottom:12px;
  color:#fff;
}
.cta-box p{font-size:15px;color:rgba(255,255,255,0.9);margin-bottom:36px;}
.cta-form{
  max-width:720px;
  margin:0 auto;
  text-align:left;
  background:rgba(255,255,255,0.12);
  border-radius:20px;
  padding:32px;
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.cta-form .form-label{color:#fff;font-weight:500;}
.cta-form .form-input{
  background:#fff;
  border-color:transparent;
}
.cta-form .form-input:focus{
  border-color:#fff;
  box-shadow:0 0 0 3px rgba(255,255,255,0.2);
}
.cta-form select.form-input{
  appearance:auto;
  -webkit-appearance:auto;
}
.cta-form textarea.form-input{
  height:76px;
  padding-top:10px;
  resize:vertical;
}
.cta-submit-row{
  text-align:center;
  margin-top:6px;
}
.cta-safe-note{
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,0.8);
  margin-top:18px;
}
.cta-safe-note i{margin-right:4px;}
/* ===== 资讯列表 ===== */
.news-card{
  display:flex;
  gap:20px;
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:20px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  transition:all .3s ease;
  height:100%;
}
.news-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
  border-color:var(--primary-border);
}
.news-thumb{
  width:150px;
  height:100px;
  border-radius:12px;
  overflow:hidden;
  flex-shrink:0;
  object-fit:cover;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{flex:1;display:flex;flex-direction:column;}
.news-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:8px;
}
.badge{
  display:inline-block;
  background:var(--primary-light);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  padding:2px 12px;
  border-radius:var(--radius-full);
}
.news-date{font-size:13px;color:var(--text-secondary);}
.news-body h3{
  font-size:17px;
  font-weight:700;
  color:var(--text);
  margin-bottom:6px;
  line-height:1.45;
}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--primary);}
.news-excerpt{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:10px;
}
.read-more{
  font-size:14px;
  font-weight:500;
  color:var(--primary);
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.read-more:hover{color:var(--accent);gap:10px;}
.read-more i{font-size:12px;transition:transform .2s ease;}
.read-more:hover i{transform:translateX(3px);}
.news-empty{
  background:var(--white);
  border:1px dashed var(--border);
  border-radius:var(--radius-lg);
  padding:48px;
  text-align:center;
  color:var(--text-secondary);
}
.news-empty img{
  width:100px;height:100px;
  object-fit:cover;
  border-radius:16px;
  margin:0 auto 16px;
  opacity:0.8;
}
.news-empty p{font-size:15px;}
/* ===== FAQ ===== */
.faq-grid{
  max-width:820px;
  margin:0 auto;
}
.faq-item{
  border:1px solid var(--border);
  border-radius:12px;
  margin-bottom:14px;
  overflow:hidden;
  background:var(--white);
  transition:all .25s ease;
}
.faq-item.active{
  border-color:var(--primary);
  box-shadow:0 4px 16px rgba(47,107,255,0.08);
}
.faq-q{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 22px;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  background:transparent;
  border:none;
  width:100%;
  text-align:left;
  transition:background .2s ease;
}
.faq-q:hover{background:var(--primary-light);}
.faq-item.active .faq-q{background:var(--bg-blue);}
.faq-q i{
  font-size:14px;
  color:var(--primary);
  transition:transform .25s ease;
  flex-shrink:0;
  margin-left:12px;
}
.faq-item.active .faq-q i{transform:rotate(180deg);}
.faq-a{
  display:none;
  padding:0 22px 20px;
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.75;
  border-top:1px solid var(--card-divider);
  margin-top:0;
  background:var(--bg-blue);
}
.faq-a p{padding-top:14px;margin-bottom:0;}
.faq-item.active .faq-a{display:block;}
/* ===== 页脚 ===== */
.site-footer{
  background:var(--dark);
  color:#A7B4C6;
  padding:64px 0 0;
}
.footer-grid{
  display:flex;
  gap:48px;
  padding-bottom:48px;
  flex-wrap:wrap;
}
.footer-brand{flex:1.4;min-width:240px;}
.footer-brand .brand{
  margin-bottom:16px;
}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{
  font-size:14px;
  line-height:1.7;
  color:#A7B4C6;
  max-width:340px;
}
.footer-col{flex:1;min-width:140px;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  color:#A7B4C6;
  font-size:14px;
  transition:color .2s ease;
}
.footer-col ul li a:hover{color:#fff;}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:8px;
  font-size:14px;
  margin-bottom:10px;
  color:#A7B4C6;
}
.footer-contact li i{color:var(--accent);margin-top:4px;width:16px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);
  padding:22px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
}
.footer-bottom p{margin-bottom:0;}
/* ===== 返回顶部 ===== */
.back-top{
  position:fixed;
  bottom:32px;right:24px;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--primary);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  box-shadow:0 6px 18px rgba(47,107,255,0.3);
  opacity:0;
  visibility:hidden;
  transition:all .3s ease;
  z-index:999;
}
.back-top.show{opacity:1;visibility:visible;}
.back-top:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(47,107,255,0.4);}
/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  :root{--space-section:64px;}
  .section-head h2{font-size:28px;}
  .hero h1{font-size:36px;}
  .ticket-grid{
    flex-wrap:wrap;
    align-items:stretch;
  }
  .ticket-card{flex:1 1 calc(50% - 16px);max-width:none;}
  .ticket-card.vip{flex:1 1 100%;transform:none;order:-1;}
  .ticket-card.vip:hover{transform:translateY(-4px);}
}
@media screen and (max-width:768px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;
    top:var(--header-h);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    background:rgba(255,255,255,0.98);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--border);
    box-shadow:0 12px 24px rgba(0,0,0,0.08);
    padding:12px;
    gap:2px;
    display:none;
  }
  .main-nav.open{display:flex;}
  .main-nav a{
    padding:14px 16px;
    border-radius:8px;
    font-size:15px;
  }
  .main-nav a.active{background:var(--primary-light);}
  .nav-cta .btn{padding:0 16px;font-size:14px;}
  .hero{
    padding-top:calc(var(--header-h) + 40px);
  }
  .hero-copy{padding-right:0;margin-bottom:40px;}
  .hero h1{font-size:32px;}
  .hero .form-group{text-align:left;}
  .timeline-wrap::before{left:15px;}
  .timeline-item{
    width:100%;
    left:0 !important;
    text-align:left !important;
    padding:0 0 36px 48px;
  }
  .timeline-item:nth-child(odd) .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot{
    left:0;
    right:auto;
  }
  .timeline-card{max-width:100%;}
  .stats-grid{flex-wrap:wrap;gap:12px;}
  .stat-item{flex:1 1 45%;}
  .cta-box{padding:40px 24px;}
  .cta-form{padding:20px;}
  .cta-box h2{font-size:26px;}
  .news-card{flex-direction:column;}
  .news-thumb{
    width:100%;
    height:auto;
    aspect-ratio:16/7;
  }
  .footer-grid{gap:32px;}
  .container{padding:0 16px;}
}
@media screen and (max-width:520px){
  :root{--space-section:48px;}
  .nav-cta .btn-primary span{display:none;}
  .nav-cta .btn-primary{width:40px;padding:0;font-size:16px;}
  .hero h1{font-size:28px;}
  .section-head h2{font-size:24px;}
  .stat-num{font-size:30px;}
  .stat-label{font-size:13px;}
  .ticket-card{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;text-align:center;}
}

/* roulang page: article */
/* ========== 设计变量 ========== */
:root {
  --primary: #2F6BFF;
  --primary-light: #EBF2FF;
  --primary-dark: #2458D6;
  --accent: #FF8A3C;
  --accent-dark: #F27121;
  --bg: #F7FAFC;
  --bg-light: #F2F8FF;
  --text: #1F2937;
  --text-sub: #6B7280;
  --border: #E5E7EB;
  --inner-border: #F1F3F5;
  --card-radius: 16px;
  --btn-radius: 10px;
  --input-radius: 8px;
  --shadow-card: 0 4px 16px rgba(47,107,255,0.06);
  --shadow-hover: 0 8px 24px rgba(47,107,255,0.12);
  --shadow-orange: 0 8px 24px rgba(255,138,60,0.18);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  --header-h: 68px;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--primary-dark); }
ul, ol { list-style-position: inside; }
button { font-family: inherit; cursor: pointer; border: none; }
input, select, textarea { font-family: inherit; }
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ========== 头部导航 ========== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.45);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.5);
  box-shadow: 0 2px 12px rgba(0,0,0,0.03);
  transition: background .3s ease, box-shadow .3s ease;
}
body.article-page .site-header,
body.inner-page .site-header,
.site-header.scrolled {
  background: rgba(255,255,255,0.92);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 16px;
  padding: 0 32px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.brand:hover { color: var(--text); }
.brand-icon {
  width: 38px; height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #5C8AFF);
  color: #fff;
  border-radius: 10px;
  font-size: 18px;
  box-shadow: 0 4px 10px rgba(47,107,255,0.25);
}
.brand-text { white-space: nowrap; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  transition: background .2s ease, color .2s ease;
}
.main-nav a:hover { background: var(--primary-light); color: var(--primary); }
.main-nav a.active {
  background: var(--primary);
  color: #fff;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--btn-radius);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: all .25s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255,138,60,0.3);
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange);
}
.btn-primary:active { transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: none;
}
.btn-outline:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange);
}

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 10px;
  font-size: 18px;
  transition: background .2s ease;
}
.nav-toggle:hover { background: #DCE9FF; }
.nav-toggle.active { background: var(--primary); color: #fff; }

/* ========== 文章页主区 ========== */
body.article-page main {
  padding-top: var(--header-h);
  background: var(--bg);
}

/* 面包屑 */
.breadcrumb-section {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  color: var(--text-sub);
}
.breadcrumb a { color: var(--text-sub); transition: color .2s ease; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #C4CBD5; }
.breadcrumb .current {
  color: var(--text);
  font-weight: 500;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 文章头部 */
.article-header-section {
  position: relative;
  padding: 48px 0 32px;
  background: var(--bg-light);
  border-bottom: 1px solid var(--inner-border);
  overflow: hidden;
}
.article-header-section::before {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.06;
  pointer-events: none;
}
.grid-container-narrow {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}
.article-header-section h1 {
  font-size: 32px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 24px;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--primary); }
.article-cover {
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: #fff;
}
.article-cover img { width: 100%; height: auto; object-fit: cover; }

/* 正文区 */
.article-content-section {
  background: #fff;
  padding: 40px 0 56px;
}
.article-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  overflow-wrap: break-word;
}
.article-body p { margin-bottom: 1.5em; }
.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 2.2rem 0 1rem;
  color: var(--text);
  line-height: 1.4;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 1.8rem 0 0.75rem;
  color: var(--text);
}
.article-body h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
}
.article-body ul,
.article-body ol {
  margin: 0 0 1.5rem 1.25rem;
  padding: 0;
}
.article-body li { margin-bottom: 0.4em; }
.article-body a { text-decoration: underline; text-underline-offset: 3px; }
.article-body img {
  border-radius: 12px;
  margin: 1.6rem auto;
  box-shadow: var(--shadow-card);
}
.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--bg-light);
  padding: 1rem 1.5rem;
  border-radius: 0 10px 10px 0;
  margin: 1.5rem 0;
  color: var(--text);
  font-style: normal;
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body code {
  background: #F3F4F6;
  padding: 0.2em 0.45em;
  border-radius: 4px;
  font-size: 0.9em;
  color: #BE3455;
}
.article-body pre {
  background: #1F2937;
  color: #F9FAFB;
  padding: 1.25rem 1.5rem;
  border-radius: 10px;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 14px;
  line-height: 1.7;
}
.article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6rem 0;
  font-size: 15px;
}
.article-body table th,
.article-body table td {
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  text-align: left;
  vertical-align: top;
}
.article-body table th {
  background: var(--bg-light);
  font-weight: 600;
  color: var(--text);
}
.article-body table tr:nth-child(even) td { background: #FAFBFD; }
.article-body hr {
  border: none;
  border-top: 1px solid var(--inner-border);
  margin: 2rem 0;
}

/* 空文章状态 */
.article-empty {
  text-align: center;
  padding: 80px 24px;
  background: #fff;
  border-radius: var(--card-radius);
}
.article-empty p {
  font-size: 20px;
  color: var(--text-sub);
  margin-bottom: 24px;
}

/* 文末区域 */
.article-after-section {
  background: #fff;
  padding: 0 0 48px;
  border-top: 1px solid var(--inner-border);
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 24px 0;
}
.article-tags .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid #D6E4FF;
  transition: background .2s ease;
}
.article-tags .tag:hover { background: var(--primary-light); }
.article-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--inner-border);
}
.pager-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all .25s ease;
  color: var(--text);
}
.pager-link:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.pager-link small {
  display: block;
  font-size: 12px;
  color: var(--text-sub);
  margin-bottom: 2px;
}
.pager-link span { font-size: 14px; font-weight: 500; line-height: 1.4; }
.pager-link i { font-size: 16px; flex-shrink: 0; color: var(--primary); }
.pager-link.next { justify-content: flex-end; text-align: right; }

/* 相关推荐 */
.related-section {
  padding: 64px 0;
  background: var(--bg);
}
.related-section .grid-container { max-width: 1200px; }
.related-section h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin-bottom: 40px;
}
.related-section h2 span {
  color: var(--primary);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border-radius: var(--card-radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.related-card .thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.related-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .thumb img { transform: scale(1.04); }
.related-card .card-body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.related-card .card-body h3 {
  font-size: 18px;
  line-height: 1.5;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
  transition: color .2s ease;
}
.related-card .card-body h3 a { color: var(--text); }
.related-card .card-body h3 a:hover { color: var(--primary); }
.related-card .card-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
}
.related-card .card-link i {
  transition: transform .2s ease;
}
.related-card:hover .card-link i { transform: translateX(4px); }

/* 文章 CTA */
.article-cta {
  padding: 24px 0 72px;
  background: var(--bg);
}
.article-cta .cta-box {
  background: linear-gradient(135deg, var(--accent), #FFA45E);
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-orange);
  position: relative;
  overflow: hidden;
}
.article-cta .cta-box::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 200px;
  height: 200px;
  border: 30px solid rgba(255,255,255,0.12);
  border-radius: 50%;
}
.article-cta .cta-box h2 {
  font-size: 28px;
  font-weight: 700;
  position: relative;
  z-index: 1;
  margin-bottom: 12px;
}
.article-cta .cta-box p {
  font-size: 16px;
  opacity: 0.92;
  position: relative;
  z-index: 1;
  margin-bottom: 28px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.article-cta .btn {
  position: relative;
  z-index: 1;
  background: #fff;
  color: var(--accent);
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}
.article-cta .btn:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
}

/* ========== 页脚 ========== */
.site-footer {
  background: #12233B;
  color: #A7B4C6;
  padding: 64px 0 0;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .brand {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand .brand:hover { color: #fff; }
.footer-brand p {
  line-height: 1.8;
  max-width: 340px;
}
.footer-brand .brand-icon {
  background: var(--accent);
  box-shadow: 0 4px 10px rgba(255,138,60,0.3);
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul li a {
  color: #A7B4C6;
  transition: color .2s ease;
}
.footer-col ul li a:hover { color: #fff; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #A7B4C6;
}
.footer-contact i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #7E8EA3;
}
.footer-bottom p {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header-inner { padding: 0 16px; }
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 4px;
    box-shadow: 0 12px 28px rgba(0,0,0,0.1);
    border-bottom: 1px solid var(--border);
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 16px;
  }
  .nav-cta .btn span { display: none; }
  .nav-cta .btn { width: 44px; padding: 0; }

  .article-header-section h1 { font-size: 26px; }
  .article-cover { border-radius: 12px; }
  .article-meta { gap: 12px; }
  .related-grid { grid-template-columns: 1fr; }
  .article-pager { grid-template-columns: 1fr; }
  .article-pager .pager-link.next { justify-content: flex-start; text-align: left; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .article-cta .cta-box { padding: 40px 24px; }
  .article-cta .cta-box h2 { font-size: 22px; }
}

@media (max-width: 520px) {
  .brand-text { font-size: 18px; }
  .brand-icon { width: 34px; height: 34px; font-size: 16px; }
  .article-header-section { padding: 32px 0 24px; }
  .article-content-section { padding: 24px 0 40px; }
  .related-section { padding: 48px 0; }
  .grid-container-narrow { padding: 0 16px; }
}

@media (max-width: 640px) {
  .article-body table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }
}

/* roulang page: category1 */
:root {
            --primary: #2F6BFF;
            --accent: #FF8A3C;
            --bg: #F7FAFC;
            --bg-light: #F2F8FF;
            --text: #1F2937;
            --text-muted: #6B7280;
            --border: #E5E7EB;
            --divider: #F1F3F5;
            --radius: 16px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 4px 16px rgba(47,107,255,0.06);
            --shadow-hover: 0 8px 24px rgba(47,107,255,0.12);
            --shadow-accent: 0 8px 24px rgba(255,138,60,0.18);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
        }

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

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

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

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

        .grid-container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

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

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(47, 107, 255, .08);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: .5px;
        }

        .section-tag.light {
            background: rgba(255, 255, 255, .2);
            color: #fff;
        }

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

        .section-head h2 {
            font-size: 30px;
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .section-head p {
            color: var(--text-muted);
            max-width: 640px;
            font-size: 15px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            line-height: 1;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(255, 138, 60, .3);
        }

        .btn-primary:hover {
            background: #f07a24;
            border-color: #f07a24;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 138, 60, .2);
        }

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

        .btn-outline:hover {
            background: #EBF2FF;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(47, 107, 255, .1);
        }

        .btn-light {
            background: #fff;
            color: var(--accent);
            border-color: #fff;
        }

        .btn-light:hover {
            background: #fff;
            color: #f07a24;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, .14);
        }

        .btn:focus {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, .5);
            box-shadow: 0 4px 16px rgba(0, 0, 0, .06);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, .97);
            box-shadow: 0 6px 24px rgba(0, 0, 0, .08);
        }

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

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.2;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #4A8DFF);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }

        .brand-text {
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width .3s ease;
        }

        .main-nav a:hover {
            color: var(--primary);
        }

        .main-nav a:hover::after {
            width: 100%;
        }

        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .main-nav a.active::after {
            width: 100%;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .nav-cta .btn {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #fff;
            color: var(--text);
            cursor: pointer;
            font-size: 18px;
            align-items: center;
            justify-content: center;
        }

        .nav-toggle:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ===== Page Hero ===== */
        .page-main {
            padding-top: 72px;
        }

        .page-hero {
            position: relative;
            padding: 120px 0 96px;
            background-color: var(--bg-light);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(242, 248, 255, .9);
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            border: 36px solid rgba(47, 107, 255, .07);
            border-radius: 50%;
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
        }

        .hero-content {
            max-width: 560px;
            flex: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(47, 107, 255, .1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 40px;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text);
        }

        .page-hero .hero-lead {
            font-size: 17px;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-card {
            width: 360px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: 0 12px 32px rgba(47, 107, 255, .12);
            padding: 28px;
            position: relative;
            flex-shrink: 0;
        }

        .hero-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 138, 60, .12);
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }

        .hero-card h3 {
            font-size: 18px;
            margin-bottom: 16px;
            color: var(--text);
        }

        .hero-card ul {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hero-card li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .hero-card .date-badge {
            background: var(--bg-light);
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
            padding: 4px 10px;
            border-radius: 6px;
            min-width: 52px;
            text-align: center;
            white-space: nowrap;
        }

        .hero-card-link {
            display: inline-block;
            margin-top: 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .hero-card-link:hover {
            color: var(--accent);
        }

        /* ===== Split Feature ===== */
        .split-feature {
            background: #fff;
        }

        .feature-media {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .feature-media img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }

        .media-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, .94);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .08);
        }

        .feature-copy {
            padding-left: 48px;
        }

        .feature-copy h2 {
            font-size: 30px;
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .feature-copy p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 16px;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 28px;
        }

        .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            font-size: 15px;
        }

        .feature-list i {
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }

        /* ===== Card Index ===== */
        .card-index {
            background: var(--bg);
        }

        .info-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all .3s ease;
            margin-bottom: 24px;
            height: calc(100% - 24px);
            display: flex;
            flex-direction: column;
        }

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

        .card-top {
            position: relative;
            overflow: hidden;
        }

        .card-top img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .95);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .06);
        }

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

        .card-body h3 {
            font-size: 19px;
            margin-bottom: 10px;
            color: var(--text);
        }

        .card-body p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s ease;
        }

        .card-more:hover {
            color: var(--accent);
            gap: 10px;
        }

        /* ===== Stats Bar ===== */
        .stats-bar {
            background: #fff;
            border-top: 1px solid var(--divider);
            border-bottom: 1px solid var(--divider);
            padding: 48px 0;
        }

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

        .stats-num {
            display: block;
            font-size: 36px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .stats-label {
            display: block;
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
        }

        .faq-intro h2 {
            font-size: 28px;
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .faq-intro p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 360px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 16px;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(47, 107, 255, .08);
        }

        .faq-question {
            width: 100%;
            background: #fff;
            border: none;
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            transition: background .2s ease;
        }

        .faq-question:hover {
            background: #f8fbff;
        }

        .faq-question:focus {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }

        .faq-question i {
            color: var(--primary);
            transition: transform .2s ease;
            font-size: 14px;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            padding: 0 24px;
            background: #F8FBFF;
        }

        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 24px 20px;
            border-top: 1px solid #EEF3FA;
        }

        .faq-answer p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg);
        }

        .cta-box {
            background: var(--accent);
            border-radius: 24px;
            padding: 56px 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(255, 138, 60, .25);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -70px;
            right: -50px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .1);
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: 30%;
            width: 100px;
            height: 100px;
            background: rgba(255, 255, 255, .06);
            border-radius: 20px;
            transform: rotate(30deg);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 500px;
        }

        .cta-content h2 {
            color: #fff;
            font-size: 30px;
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, .92);
            font-size: 15px;
            margin-bottom: 24px;
        }

        .cta-illustration {
            position: relative;
            z-index: 2;
            width: 300px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 32px rgba(0, 0, 0, .16);
            flex-shrink: 0;
        }

        .cta-illustration img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #12233B;
            color: #A7B4C6;
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand .brand {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            background: rgba(255, 138, 60, .2);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #A7B4C6;
            margin-top: 12px;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            color: #A7B4C6;
            font-size: 14px;
            transition: color .2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }

        .footer-contact i {
            color: #FF8A3C;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 13px;
            color: #7d8fa5;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-bottom i {
            margin-right: 4px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 40px;
            }

            .hero-card {
                width: 100%;
                max-width: 480px;
            }

            .feature-copy {
                padding-left: 0;
                padding-top: 32px;
            }

            .feature-media img {
                height: 300px;
            }

            .cta-box {
                padding: 44px 36px;
                flex-direction: column;
                gap: 32px;
            }

            .cta-illustration {
                width: 100%;
                max-width: 420px;
            }

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

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, .98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                gap: 0;
                padding: 12px 24px 20px;
                display: none;
                box-shadow: 0 12px 32px rgba(0, 0, 0, .1);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid var(--divider);
            }

            .main-nav a:last-child {
                border-bottom: none;
            }

            .main-nav a::after {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-cta .btn {
                display: none;
            }

            .page-hero {
                padding: 100px 0 64px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

            .section-pad {
                padding: 56px 0;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .feature-copy h2 {
                font-size: 26px;
            }

            .feature-list {
                margin-bottom: 20px;
            }

            .cta-content h2 {
                font-size: 26px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 640px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-text {
                font-size: 18px;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
                border-radius: 9px;
            }

            .page-hero h1 {
                font-size: 27px;
            }

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

            .hero-card {
                padding: 22px;
            }

            .hero-card li {
                font-size: 13px;
            }

            .hero-card .date-badge {
                min-width: 46px;
                font-size: 12px;
                padding: 3px 8px;
            }

            .feature-media img {
                height: 220px;
            }

            .card-top img {
                height: 165px;
            }

            .card-body {
                padding: 20px;
            }

            .card-body h3 {
                font-size: 18px;
            }

            .stats-num {
                font-size: 30px;
            }

            .stats-item {
                padding: 8px;
            }

            .faq-intro h2 {
                font-size: 24px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }

            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }

            .faq-answer p {
                font-size: 14px;
            }

            .cta-box {
                padding: 36px 24px;
                border-radius: 18px;
            }

            .cta-illustration img {
                height: 160px;
            }

            .cta-content h2 {
                font-size: 23px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #2F6BFF;
  --primary-light: #EBF2FF;
  --primary-line: #D6E4FF;
  --accent: #FF8A3C;
  --accent-hover: #f26e1e;
  --accent-soft: rgba(255, 138, 60, 0.12);
  --bg: #F7FAFC;
  --bg-blue: #F2F8FF;
  --text: #1F2937;
  --text-secondary: #6B7280;
  --border: #E5E7EB;
  --card-border: #F1F3F5;
  --card-shadow: 0 4px 16px rgba(47, 107, 255, 0.06);
  --card-shadow-hover: 0 8px 24px rgba(47, 107, 255, 0.12);
  --accent-shadow: 0 8px 24px rgba(255, 138, 60, 0.18);
  --footer-bg: #12233B;
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: #1f55d8; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }
.grid-container { max-width: 1200px; padding-left: 32px; padding-right: 32px; }
/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(47, 107, 255, 0.28);
}
.brand-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  transition: background .2s, color .2s;
}
.main-nav a:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.main-nav a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(47, 107, 255, 0.2);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  padding: 0 24px;
  height: 44px;
  transition: all .2s ease;
  line-height: 1;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 138, 60, 0.25);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 138, 60, 0.35);
  color: #fff;
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(255, 138, 60, 0.3);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  font-size: 18px;
  align-items: center;
  justify-content: center;
}
button:focus, a:focus, input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
/* ---------- Page Banner ---------- */
.page-banner {
  position: relative;
  margin-top: 68px;
  background: linear-gradient(135deg, rgba(242, 248, 255, 0.94), rgba(255, 255, 255, 0.88)), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  padding: 72px 0 64px;
  border-bottom: 1px solid #e9eef5;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(47, 107, 255, 0.06);
  top: -80px;
  right: -60px;
}
.page-banner::after {
  content: '';
  position: absolute;
  width: 120px;
  height: 120px;
  border: 3px solid rgba(47, 107, 255, 0.1);
  border-radius: 24px;
  bottom: -40px;
  left: 8%;
  transform: rotate(20deg);
}
.banner-inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
}
.banner-inner h1 {
  font-size: 36px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.banner-inner h1 span {
  color: var(--primary);
}
.banner-inner p {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  max-width: 520px;
}
.banner-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}
.tag i {
  color: var(--primary);
}
.banner-meta {
  display: flex;
  gap: 20px;
  margin-top: 28px;
  font-size: 14px;
  color: var(--text-secondary);
}
.banner-meta i {
  margin-right: 4px;
  color: var(--primary);
}
/* ---------- Breadcrumb ---------- */
.breadcrumb-wrap {
  background: #fff;
  border-bottom: 1px solid #eef1f5;
  padding: 14px 0;
}
.breadcrumb {
  font-size: 14px;
  color: var(--text-secondary);
}
.breadcrumb a {
  color: var(--text-secondary);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .sep {
  margin: 0 8px;
  color: #c0c8d2;
}
.breadcrumb .current {
  color: var(--primary);
  font-weight: 500;
}
/* ---------- Guide Section ---------- */
.guide-section {
  padding: 64px 0 40px;
}
.guide-sidebar {
  position: sticky;
  top: 100px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  border: 1px solid #eef1f5;
  padding: 24px;
}
.guide-sidebar h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
  position: relative;
  padding-bottom: 12px;
}
.guide-sidebar h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}
.anchor-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.anchor-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all .2s ease;
}
.anchor-list a::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #c8d2de;
  flex-shrink: 0;
  transition: background .2s;
}
.anchor-list a:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.anchor-list a:hover::before {
  background: var(--primary);
}
.guide-content {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  padding: 40px 44px;
}
.guide-lead {
  text-align: center;
  margin-bottom: 36px;
}
.guide-lead img {
  border-radius: var(--radius-lg);
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  margin-bottom: 20px;
}
.guide-lead p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 560px;
  margin: 0 auto;
}
.guide-block {
  margin-bottom: 44px;
}
.guide-block:last-child {
  margin-bottom: 0;
}
.guide-block h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--primary-light);
}
.guide-block h2 i {
  color: var(--primary);
  font-size: 20px;
}
.guide-block h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin: 24px 0 10px;
}
.guide-block p {
  color: #4b5563;
  margin-bottom: 14px;
  line-height: 1.85;
}
.guide-block ul {
  margin: 12px 0 16px;
  padding: 0;
}
.guide-block ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  color: #4b5563;
  line-height: 1.8;
}
.guide-block ul li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--primary);
  font-size: 13px;
}
.step-list {
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 16px;
}
.step-item {
  display: flex;
  gap: 14px;
  padding: 16px;
  background: #f8fbff;
  border-radius: 12px;
  border: 1px solid #eef1f5;
}
.step-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.step-desc {
  font-size: 15px;
  color: #4b5563;
  line-height: 1.7;
}
.callout {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 12px;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  margin: 20px 0;
}
.callout i {
  color: var(--accent);
  font-size: 18px;
  margin-top: 2px;
}
.callout p {
  color: #6b4226;
  font-size: 14px;
  margin: 0;
  line-height: 1.7;
}
/* ---------- Faq Section ---------- */
.faq-section {
  padding: 64px 0;
  background: var(--bg-blue);
}
.section-head {
  text-align: center;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto;
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow .2s ease;
}
.faq-item:hover {
  box-shadow: var(--card-shadow);
}
.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(47, 107, 255, 0.08);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}
.faq-q i {
  color: var(--primary);
  font-size: 14px;
  transition: transform .2s ease;
}
.faq-item.active .faq-q i {
  transform: rotate(180deg);
}
.faq-a {
  display: none;
  padding: 0 22px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: #4b5563;
  background: #f8fbff;
  border-top: 1px solid #f0f3f7;
  margin-top: 0;
}
/* ---------- Trust Strip ---------- */
.trust-strip {
  padding: 40px 0;
  background: #fff;
  border-bottom: 1px solid #eef1f5;
}
.trust-grid {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 24px;
  text-align: center;
}
.trust-item .num {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary);
}
.trust-item .label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.trust-item .num i {
  font-size: 26px;
  color: var(--accent);
  margin-right: 6px;
}
/* ---------- Cta Section ---------- */
.cta-section {
  padding: 56px 0 72px;
}
.cta-box {
  background: var(--accent);
  border-radius: var(--radius-xl);
  padding: 56px 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  top: -60px;
  right: -30px;
}
.cta-box::after {
  content: '';
  position: absolute;
  width: 90px;
  height: 90px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-radius: 18px;
  bottom: -20px;
  left: 8%;
  transform: rotate(25deg);
}
.cta-box h2 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.92);
  font-size: 16px;
  margin-bottom: 28px;
  position: relative;
  z-index: 2;
}
.cta-box .btn-cta-white {
  position: relative;
  z-index: 2;
  background: #fff;
  color: var(--accent);
  padding: 0 36px;
  height: 48px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 700;
  border: none;
  transition: all .2s ease;
}
.cta-box .btn-cta-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  color: var(--accent-hover);
}
/* ---------- Footer ---------- */
.site-footer {
  background: var(--footer-bg);
  padding: 56px 0 0;
  color: #A7B4C6;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .brand {
  margin-bottom: 16px;
}
.footer-brand .brand-text {
  color: #fff;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: #A7B4C6;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  color: #A7B4C6;
  font-size: 14px;
  transition: color .2s;
}
.footer-col ul a:hover {
  color: #fff;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #A7B4C6;
  margin-bottom: 10px;
}
.footer-contact i {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: #7a8aa0;
}
.footer-bottom i {
  color: var(--accent);
  margin-right: 4px;
}
/* ---------- Responsive ---------- */
@media screen and (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .guide-content {
    padding: 28px 24px;
  }
}
@media screen and (max-width: 768px) {
  .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .main-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 20px 16px;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform .3s ease;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
  }
  .main-nav.open {
    transform: translateY(0);
  }
  .main-nav a {
    width: 100%;
    text-align: center;
    padding: 12px;
    font-size: 16px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-cta .btn-primary span {
    display: none;
  }
  .nav-cta .btn-primary {
    width: 42px;
    padding: 0;
    font-size: 16px;
  }
  .page-banner {
    margin-top: 68px;
    padding: 48px 0 40px;
  }
  .banner-inner h1 {
    font-size: 28px;
  }
  .banner-inner p {
    font-size: 15px;
  }
  .guide-section {
    padding: 40px 0 32px;
  }
  .guide-sidebar {
    position: static;
    margin-bottom: 24px;
    padding: 16px;
  }
  .anchor-list {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .anchor-list a {
    padding: 8px 12px;
    font-size: 13px;
  }
  .anchor-list a::before {
    display: none;
  }
  .guide-content {
    padding: 20px 16px;
  }
  .guide-block h2 {
    font-size: 19px;
  }
  .guide-block p {
    font-size: 15px;
  }
  .faq-section {
    padding: 40px 0;
  }
  .cta-box {
    padding: 40px 24px;
  }
  .cta-box h2 {
    font-size: 24px;
  }
  .trust-grid {
    gap: 16px;
  }
  .trust-item .num {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .breadcrumb-wrap {
    display: none;
  }
}
@media screen and (max-width: 520px) {
  .banner-inner h1 {
    font-size: 24px;
  }
  .banner-tags .tag {
    font-size: 12px;
    padding: 5px 12px;
  }
  .banner-meta {
    flex-direction: column;
    gap: 6px;
  }
  .step-item {
    flex-direction: column;
    gap: 8px;
  }
}