/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --primary:#0D3B2E;
  --primary-light:#175740;
  --primary-dark:#092D23;
  --accent:#FF6A00;
  --accent-dark:#E85D00;
  --accent-soft:#FFF0E5;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --surface-alt:#F0F4F2;
  --text:#17332A;
  --text-light:#527066;
  --border:#E4E9E6;
  --success:#1E8E5A;
  --font-stack:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --radius-lg:12px;
  --radius-md:8px;
  --radius-sm:6px;
  --shadow-sm:0 2px 8px rgba(13,59,46,.08);
  --shadow-hover:0 8px 24px rgba(13,59,46,.14);
  --transition:.3s ease;
  --sidebar-width:240px;
  --sidebar-collapsed:72px;
}
/* ===== Reset / Base ===== */
*{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;
}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}
::selection{background:rgba(255,106,0,.2);color:var(--primary-dark)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--surface-alt)}
::-webkit-scrollbar-thumb{background:#9BB8AC;border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--primary-light)}
/* ===== Bootstrap 覆盖 ===== */
.btn{
  border-radius:var(--radius-sm);
  padding:12px 24px;
  font-weight:600;
  border:2px solid transparent;
  transition:all var(--transition);
}
.btn-primary{
  background:var(--accent) !important;
  border-color:var(--accent) !important;
  color:#fff !important;
}
.btn-primary:hover,.btn-primary:focus{
  background:var(--accent-dark) !important;
  border-color:var(--accent-dark) !important;
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.btn-outline-primary{
  background:transparent !important;
  border-color:var(--primary) !important;
  color:var(--primary) !important;
}
.btn-outline-primary:hover{
  background:var(--primary) !important;
  color:#fff !important;
}
.btn:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
.card{
  border:none;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  background:var(--surface);
}
.navbar{background:transparent}
.form-control{
  border-radius:8px;
  height:44px;
  border:1px solid #CDD8D2;
  padding:0 16px;
  font-size:15px;
  background:var(--surface);
}
.form-control:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 2px rgba(255,106,0,.15);
}
/* ===== 布局容器 ===== */
.container-custom{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{
  padding:80px 0;
}
.section-sm{
  padding:48px 0;
}
/* ===== 左侧竖向导航 ===== */
.sidebar{
  position:fixed;
  top:0;
  left:0;
  width:var(--sidebar-width);
  height:100vh;
  background:var(--primary);
  z-index:1050;
  display:flex;
  flex-direction:column;
  padding:32px 20px;
  transition:width var(--transition);
  overflow-y:auto;
}
.sidebar .brand{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  padding:0 12px 24px;
  border-bottom:1px solid rgba(255,255,255,.1);
  margin-bottom:28px;
}
.sidebar .brand a{
  color:#fff;
  font-weight:700;
  font-size:24px;
  letter-spacing:.5px;
}
.sidebar .brand a span{color:var(--accent)}
.sidebar .brand small{
  color:rgba(255,255,255,.6);
  font-size:13px;
  letter-spacing:.8px;
  margin-top:2px;
}
.sidebar .nav-list{
  list-style:none;
  flex-grow:1;
}
.sidebar .nav-list li{
  margin-bottom:6px;
}
.sidebar .nav-list .nav-link{
  display:flex;
  align-items:center;
  gap:12px;
  color:rgba(255,255,255,.85);
  font-size:16px;
  padding:12px 16px;
  border-radius:8px;
  transition:all var(--transition);
  border-left:4px solid transparent;
}
.sidebar .nav-list .nav-link i{
  width:22px;
  text-align:center;
  font-size:18px;
}
.sidebar .nav-list .nav-link:hover{
  background:rgba(255,106,0,.18);
  color:var(--accent);
  transform:translateX(4px);
}
.sidebar .nav-list .nav-link.active{
  background:rgba(255,106,0,.12);
  color:#fff;
  border-left-color:var(--accent);
  font-weight:600;
}
.sidebar .nav-list .nav-divider{
  height:1px;
  background:rgba(255,255,255,.1);
  margin:16px 12px;
}
.sidebar .nav-list .nav-caption{
  color:rgba(255,255,255,.5);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:1px;
  padding:0 16px 8px;
}
.sidebar .sidebar-cta{
  padding:20px 0 0;
  border-top:1px solid rgba(255,255,255,.1);
}
.sidebar .sidebar-cta .btn{
  display:block;
  width:100%;
  margin-bottom:10px;
}
.sidebar .sidebar-cta .btn-login{
  background:var(--accent);
  border:none;
  color:#fff;
  padding:12px;
  border-radius:6px;
  font-weight:600;
}
.sidebar .sidebar-cta .btn-login:hover{background:var(--accent-dark)}
.sidebar .sidebar-cta .btn-signup{
  background:transparent;
  border:1px solid rgba(255,255,255,.4);
  color:#fff;
  padding:12px;
  border-radius:6px;
  font-weight:500;
}
.sidebar .sidebar-cta .btn-signup:hover{
  background:rgba(255,255,255,.1);
  border-color:var(--accent);
}
/* 侧栏折叠（平板状态 768-1199） */
@media (min-width:768px) and (max-width:1199px){
  .sidebar{width:var(--sidebar-collapsed);padding:20px 12px}
  .sidebar .brand small{display:none}
  .sidebar .brand a{font-size:18px}
  .sidebar .nav-list .nav-link span{display:none}
  .sidebar .nav-list .nav-link{justify-content:center;padding:12px 0}
  .sidebar .nav-list .nav-link i{margin:0}
  .sidebar .nav-list .nav-caption{display:none}
  .sidebar .sidebar-cta .btn span{display:none}
  .sidebar-cta .btn{font-size:0;padding:12px}
  .sidebar-cta .btn::before{font-family:"Font Awesome 6 Free";font-weight:900;font-size:18px}
  .btn-login::before{content:"\f090"}
  .btn-signup::before{content:"\f234"}
}
/* 移动端导航 */
.mobile-nav{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  background:var(--primary);
  z-index:1100;
  padding:14px 20px;
  box-shadow:var(--shadow-hover);
}
.mobile-nav .mobile-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.mobile-nav .brand-mobile{
  color:#fff;font-size:20px;font-weight:700;line-height:1;
}
.mobile-nav .brand-mobile span{color:var(--accent)}
.mobile-nav .hamburger{
  background:transparent;border:none;color:#fff;font-size:26px;
  width:44px;height:44px;border-radius:6px;
}
.mobile-nav .hamburger:focus{outline:2px solid var(--accent)}
.mobile-menu{
  display:none;
  padding:10px 0 20px;
  list-style:none;
}
.mobile-menu li a{
  display:block;
  color:rgba(255,255,255,.9);
  padding:12px 8px;
  font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.mobile-menu li a:hover{color:var(--accent)}
.mobile-menu li a.active{color:var(--accent);font-weight:600}
/* ===== 主内容区 ===== */
.main-content{
  margin-left:var(--sidebar-width);
  min-height:100vh;
  transition:margin-left var(--transition);
}
@media (min-width:768px) and (max-width:1199px){
  .main-content{margin-left:var(--sidebar-collapsed)}
}
/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:520px;
  display:flex;
  align-items:center;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:rgba(250,247,242,.85);
}
.hero .hero-content{
  position:relative;
  z-index:1;
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:60px 24px;
}
.hero .hero-badge{
  display:inline-block;
  background:var(--accent-soft);
  color:var(--accent-dark);
  border-radius:999px;
  padding:6px 16px;
  font-size:14px;
  font-weight:600;
  margin-bottom:20px;
}
.hero h1{
  font-size:40px;
  font-weight:700;
  color:var(--primary-dark);
  line-height:1.3;
  max-width:720px;
  margin-bottom:18px;
}
.hero p.lead{
  font-size:18px;
  color:var(--text-light);
  max-width:600px;
  margin-bottom:32px;
}
.hero .btn-group-hero{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}
/* ===== 价值主张 ===== */
.value-prop{
  display:grid;
  grid-template-columns:1.1fr 1.5fr;
  gap:48px;
  align-items:center;
}
.value-prop .vp-title h2{
  font-size:30px;
  color:var(--primary);
  margin-bottom:16px;
  line-height:1.3;
}
.value-prop .vp-desc p{
  margin-bottom:18px;
  color:var(--text-light);
}
.value-prop .vp-image{
  border-radius:50%;
  overflow:hidden;
  width:280px;height:280px;
  border:8px solid var(--surface-alt);
  box-shadow:var(--shadow-hover);
  margin-top:24px;
}
.value-prop .vp-image img{width:100%;height:100%;object-fit:cover}
/* ===== 功能分组 ===== */
.func-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
}
.func-card{
  background:var(--surface);
  border-radius:var(--radius-lg);
  padding:28px;
  border-left:4px solid var(--accent);
  box-shadow:var(--shadow-sm);
  transition:transform var(--transition), box-shadow var(--transition);
  display:flex;
  gap:20px;
  align-items:flex-start;
}
.func-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.func-card .func-icon{
  width:56px;height:56px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:26px;
  color:#fff;
  background:var(--primary);
  flex-shrink:0;
}
.func-card .func-icon.alt{
  background:var(--accent);
}
.func-card .func-body h3{
  font-size:20px;
  font-weight:600;
  color:var(--primary);
  margin-bottom:6px;
}
.func-card .func-body p{
  color:var(--text-light);
  font-size:14px;
  margin-bottom:12px;
}
.func-card .func-img{
  border-radius:8px;
  overflow:hidden;
  margin-top:8px;
}
.func-card .func-img img{
  width:100%;
  height:140px;
  object-fit:cover;
}
@media (max-width:992px){
  .func-grid{grid-template-columns:1fr}
}
/* ===== 使用场景 ===== */
.scene-section{
  background:var(--surface-alt);
}
.scene-steps{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:24px;
  position:relative;
}
.scene-steps::before{
  content:"";
  position:absolute;
  top:48px;left:10%;right:10%;
  height:2px;
  background:linear-gradient(to right,var(--accent),var(--primary));
  opacity:.3;
}
.scene-step{
  text-align:center;
  position:relative;
  background:var(--surface);
  border-radius:var(--radius-lg);
  padding:24px 16px;
  box-shadow:var(--shadow-sm);
  transition:all var(--transition);
}
.scene-step:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
}
.scene-step .step-icon{
  width:60px;height:60px;
  margin:0 auto 16px;
  background:var(--primary);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:24px;
  z-index:1;
  position:relative;
  border:4px solid var(--surface-alt);
}
.scene-step:nth-child(2) .step-icon{background:var(--accent)}
.scene-step:nth-child(4) .step-icon{background:var(--accent)}
.scene-step h4{
  font-size:18px;
  font-weight:600;
  margin-bottom:6px;
  color:var(--primary);
}
.scene-step p{
  font-size:14px;
  color:var(--text-light);
  margin:0;
}
.scene-step .scene-img{
  border-radius:8px;
  overflow:hidden;
  margin-top:12px;
}
.scene-step .scene-img img{height:90px;width:100%;object-fit:cover}
@media (max-width:992px){
  .scene-steps{
    grid-template-columns:1fr 1fr;
    gap:20px;
  }
  .scene-steps::before{display:none}
}
@media (max-width:600px){
  .scene-steps{grid-template-columns:1fr}
}
/* ===== 案例数据 ===== */
.stats-area{
  display:grid;
  grid-template-columns:repeat(3,1fr) 1.5fr;
  gap:32px;
  align-items:center;
  margin-bottom:48px;
}
.stat-item{
  text-align:center;
  background:var(--surface);
  border-radius:var(--radius-lg);
  padding:28px 16px;
  box-shadow:var(--shadow-sm);
}
.stat-item .stat-number{
  font-size:56px;
  font-weight:800;
  color:var(--accent);
  line-height:1;
}
.stat-item .stat-label{
  font-size:14px;
  color:var(--text-light);
  margin-top:10px;
}
.story-cards{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.story-card{
  background:var(--surface);
  border-radius:var(--radius-lg);
  padding:32px;
  box-shadow:var(--shadow-sm);
  position:relative;
  overflow:hidden;
}
.story-card::before{
  content:"\201C";
  position:absolute;
  top:0;left:20px;
  font-size:120px;
  font-family:Georgia,serif;
  color:var(--accent);
  opacity:.15;
}
.story-card p{
  font-size:15px;
  color:var(--text);
  margin-bottom:14px;
  line-height:1.7;
}
.story-card .story-author{
  font-size:14px;
  color:var(--text-light);
  display:flex;
  align-items:center;
  gap:8px;
}
.story-card .story-author i{color:var(--accent)}
@media (max-width:992px){
  .stats-area{grid-template-columns:repeat(3,1fr)}
  .story-cards{grid-template-columns:1fr}
}
@media (max-width:600px){
  .stats-area{grid-template-columns:1fr 1fr}
}
/* ===== 价格区 ===== */
.price-section{
  background:var(--surface);
}
.price-grid{
  display:flex;
  gap:24px;
  justify-content:center;
  align-items:stretch;
  flex-wrap:wrap;
}
.price-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px;
  width:320px;
  position:relative;
  transition:all var(--transition);
}
.price-card:hover{
  box-shadow:var(--shadow-hover);
}
.price-card.featured{
  background:var(--primary);
  color:#fff;
  transform:scale(1.05);
  border:none;
  box-shadow:var(--shadow-hover);
  z-index:1;
}
.price-card.featured .price-value{color:var(--accent)}
.price-card .price-label{
  font-size:14px;
  text-transform:uppercase;
  letter-spacing:1.5px;
  font-weight:600;
  color:var(--text-light);
  margin-bottom:12px;
}
.price-card.featured .price-label{color:rgba(255,255,255,.7)}
.price-card .price-value{
  font-size:44px;
  font-weight:800;
  color:var(--primary);
  margin-bottom:20px;
}
.price-card ul{
  list-style:none;
  margin-bottom:28px;
}
.price-card ul li{
  padding:6px 0;
  font-size:15px;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:10px;
}
.price-card.featured ul li{color:rgba(255,255,255,.9)}
.price-card ul li i{
  color:var(--accent);
  font-size:14px;
}
.price-card .btn{width:100%}
.price-card.featured .btn{
  background:var(--accent);
  border:none;
  color:#fff;
}
.price-card.featured .btn:hover{background:var(--accent-dark)}
@media (max-width:992px){
  .price-grid{flex-direction:column;align-items:center}
  .price-card{width:100%;max-width:400px}
  .price-card.featured{transform:none}
}
/* ===== 最新资讯 ===== */
.news-section{
  background:var(--bg);
}
.news-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.news-card{
  background:var(--surface);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:all var(--transition);
  display:flex;
  flex-direction:column;
  height:100%;
}
.news-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.news-card .news-img{
  height:160px;
  overflow:hidden;
  background:var(--surface-alt);
}
.news-card .news-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform var(--transition);
  margin:0 auto;
}
.news-card:hover .news-img img{transform:scale(1.03)}
.news-card .news-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  flex-grow:1;
}
.news-card .news-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  color:var(--text-light);
  margin-bottom:10px;
}
.news-card .news-meta .badge-tag{
  background:var(--accent-soft);
  color:var(--accent-dark);
  border-radius:999px;
  padding:4px 10px;
  font-weight:600;
}
.news-card .news-title{
  font-size:16px;
  font-weight:600;
  color:var(--primary);
  line-height:1.5;
  margin-bottom:8px;
}
.news-card .news-title a{color:inherit}
.news-card .news-title a:hover{color:var(--accent)}
.news-card .news-excerpt{
  font-size:14px;
  color:var(--text-light);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:auto;
}
.news-card .news-footer{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-top:16px;
  font-size:13px;
  color:var(--text-light);
}
.news-card .news-footer a{
  color:var(--accent);
  font-weight:600;
}
.news-empty{
  border:2px dashed var(--border);
  border-radius:var(--radius-lg);
  padding:60px 24px;
  text-align:center;
  color:var(--text-light);
  background:var(--surface-alt);
}
.news-empty i{
  font-size:40px;
  color:var(--text-light);
  opacity:.4;
  margin-bottom:12px;
}
@media (max-width:768px){
  .news-grid{grid-template-columns:1fr}
}
/* ===== FAQ ===== */
.faq-section{
  background:var(--surface-alt);
}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg) !important;
  margin-bottom:16px;
  overflow:hidden;
}
.accordion-button{
  font-size:16px;
  font-weight:600;
  color:var(--primary);
  background:var(--surface);
  padding:18px 24px;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){
  background:var(--accent-soft);
  color:var(--primary-dark);
}
.accordion-button::after{
  transition:transform var(--transition);
}
.accordion-body{
  padding:20px 24px;
  color:var(--text-light);
  font-size:15px;
  border-left:3px solid var(--accent);
  margin:0 24px 20px;
  border-radius:0 8px 8px 0;
  background:var(--surface-alt);
  padding:16px 20px;
}
/* ===== CTA ===== */
.cta-section{
  background:var(--primary);
  color:#fff;
  padding:80px 0;
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:300px;height:300px;
  background:var(--accent);
  opacity:.15;
  border-radius:50%;
}
.cta-section::after{
  content:"";
  position:absolute;
  left:20%;
  bottom:-120px;
  width:200px;height:200px;
  background:var(--accent);
  opacity:.08;
  border-radius:50%;
}
.cta-section .cta-inner{
  position:relative;
  z-index:1;
  max-width:760px;
  margin:0 auto;
  text-align:center;
}
.cta-section h2{
  font-size:32px;
  font-weight:700;
  margin-bottom:16px;
  color:#fff;
}
.cta-section p{
  color:rgba(255,255,255,.8);
  margin-bottom:28px;
  font-size:17px;
}
.cta-form{
  display:flex;
  gap:12px;
  max-width:440px;
  margin:0 auto;
}
.cta-form .form-control{
  flex:1;
  border:none;
  border-radius:6px;
  height:48px;
  background:rgba(255,255,255,.92);
}
.cta-form .form-control:focus{
  border:2px solid var(--accent);
}
.cta-form .btn{
  height:48px;
  white-space:nowrap;
}
@media (max-width:600px){
  .cta-form{flex-direction:column}
}
/* ===== 页脚 ===== */
.footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,.7);
  padding:60px 0 20px;
  font-size:14px;
}
.footer .footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.5fr;
  gap:32px;
  margin-bottom:40px;
}
.footer h5{
  color:#fff;
  font-size:16px;
  font-weight:600;
  margin-bottom:16px;
}
.footer .brand-footer{
  font-size:22px;
  font-weight:700;
  color:#fff;
  margin-bottom:8px;
}
.footer .brand-footer span{color:var(--accent)}
.footer p{font-size:14px;line-height:1.7}
.footer ul{
  list-style:none;
}
.footer ul li{
  margin-bottom:8px;
}
.footer ul li a{
  color:rgba(255,255,255,.7);
  transition:color var(--transition);
}
.footer ul li a:hover{
  color:var(--accent);
}
.footer .contact-item{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
}
.footer .contact-item i{color:var(--accent)}
.footer .copyright{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:20px;
  text-align:center;
  color:rgba(255,255,255,.4);
  font-size:13px;
}
@media (max-width:992px){
  .footer .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:600px){
  .footer .footer-grid{grid-template-columns:1fr}
}
/* ===== 通用组件 ===== */
.section-head{
  margin-bottom:48px;
  position:relative;
}
.section-head .overline{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:8px;
}
.section-head h2{
  font-size:30px;
  font-weight:700;
  color:var(--primary);
  line-height:1.3;
  margin-bottom:12px;
}
.section-head p{
  font-size:15px;
  color:var(--text-light);
  max-width:640px;
}
.text-center .section-head p{margin-left:auto;margin-right:auto}
/* ===== 移动端导航切换 ===== */
@media (max-width:768px){
  .sidebar{display:none}
  .mobile-nav{display:block}
  .main-content{margin-left:0}
  .section{padding:48px 0}
  .hero{min-height:400px}
  .hero h1{font-size:32px}
  .hero .btn-group-hero{flex-direction:column}
  .hero .btn-group-hero .btn{width:100%}
  .value-prop{grid-template-columns:1fr;gap:24px}
  .stat-item .stat-number{font-size:40px}
  .price-card.featured{transform:none}
}

/* roulang page: category1 */
:root {
      --primary: #0D3B2E;
      --primary-dark: #0B2B23;
      --accent: #FF6A00;
      --accent-dark: #E85D00;
      --bg: #FAF7F2;
      --bg-secondary: #F0F4F2;
      --text: #17332A;
      --text-muted: #6B7F78;
      --border: #E4E9E6;
      --white: #FFFFFF;
      --success: #1E8E5A;
      --radius: 12px;
      --radius-sm: 6px;
      --shadow: 0 2px 8px rgba(13,59,46,.08);
      --shadow-lg: 0 8px 24px rgba(13,59,46,.14);
      --transition: all .3s ease;
      --sidebar-width: 240px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

    ::selection {
      background: var(--accent);
      color: #fff;
    }

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

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

    .container-custom {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ===== 侧边导航 ===== */
    .sidebar {
      position: fixed;
      left: 0;
      top: 0;
      width: var(--sidebar-width);
      height: 100vh;
      background: var(--primary);
      padding: 28px 20px;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .brand {
      display: block;
      font-size: 26px;
      font-weight: 800;
      color: #fff;
      letter-spacing: 2px;
      line-height: 1.2;
      padding: 0 12px;
    }

    .brand span {
      color: var(--accent);
    }

    .brand-sub {
      font-size: 12px;
      color: rgba(255, 255, 255, .55);
      letter-spacing: 4px;
      margin-top: 4px;
      padding: 0 12px;
      line-height: 1.4;
    }

    .sidebar-menu {
      list-style: none;
      margin-top: 36px;
      flex: 1;
      padding: 0;
    }

    .sidebar-menu li {
      margin-bottom: 2px;
    }

    .sidebar-menu a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 16px;
      color: rgba(255, 255, 255, .72);
      font-size: 15px;
      border-radius: 8px;
      border-left: 3px solid transparent;
      transition: var(--transition);
      font-weight: 500;
    }

    .sidebar-menu a i {
      width: 18px;
      text-align: center;
      font-size: 14px;
      color: rgba(255, 255, 255, .45);
    }

    .sidebar-menu a:hover {
      background: rgba(255, 106, 0, .18);
      color: var(--accent);
    }

    .sidebar-menu a.active {
      background: rgba(255, 106, 0, .18);
      color: var(--accent);
      border-left-color: var(--accent);
      font-weight: 600;
    }

    .sidebar-menu a.active i {
      color: var(--accent);
    }

    .sidebar-login {
      display: block;
      padding: 13px;
      text-align: center;
      background: var(--accent);
      color: #fff;
      border-radius: 6px;
      font-weight: 600;
      font-size: 14px;
      transition: var(--transition);
      margin-top: 20px;
    }

    .sidebar-login:hover {
      background: var(--accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(255, 106, 0, .3);
      color: #fff;
    }

    .main-content {
      margin-left: var(--sidebar-width);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    /* ===== 移动端导航 ===== */
    .mobile-nav {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      background: var(--primary);
      z-index: 2000;
      box-shadow: 0 2px 12px rgba(0, 0, 0, .15);
    }

    .mobile-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 20px;
    }

    .brand-mobile {
      font-size: 22px;
      font-weight: 800;
      color: #fff;
      letter-spacing: 1px;
    }

    .brand-mobile span {
      color: var(--accent);
    }

    .hamburger {
      background: none;
      border: none;
      color: #fff;
      font-size: 22px;
      padding: 8px;
      cursor: pointer;
      border-radius: 4px;
    }

    .hamburger:focus-visible {
      outline: 2px solid var(--accent);
    }

    .mobile-menu {
      display: none;
      list-style: none;
      margin: 0;
      padding: 0 20px 16px;
      background: var(--primary);
      border-top: 1px solid rgba(255, 255, 255, .08);
    }

    .mobile-menu.show {
      display: block;
    }

    .mobile-menu li a {
      display: block;
      padding: 14px 8px;
      color: rgba(255, 255, 255, .8);
      font-size: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, .05);
    }

    .mobile-menu li a.active {
      color: var(--accent);
      font-weight: 600;
    }

    /* ===== Hero ===== */
    .hero {
      min-height: 500px;
      display: flex;
      align-items: center;
      position: relative;
      background-size: cover;
      background-position: center;
      padding: 80px 0;
    }

    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(115deg, rgba(250, 247, 242, .94) 40%, rgba(250, 247, 242, .72) 100%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 680px;
    }

    .hero .breadcrumb {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 16px;
      letter-spacing: 1px;
      background: transparent;
      padding: 0;
    }

    .hero .breadcrumb a {
      color: var(--accent);
      font-weight: 500;
    }

    .hero h1 {
      font-size: 48px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 20px;
      letter-spacing: 2px;
    }

    .hero-sub {
      font-size: 18px;
      color: var(--text);
      line-height: 1.8;
      margin-bottom: 36px;
      max-width: 560px;
    }

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

    .btn-primary-custom {
      background: var(--accent);
      color: #fff;
      border: none;
      padding: 14px 32px;
      border-radius: 6px;
      font-weight: 600;
      font-size: 15px;
      cursor: pointer;
      transition: var(--transition);
      display: inline-block;
      text-align: center;
      line-height: 1.5;
    }

    .btn-primary-custom:hover {
      background: var(--accent-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(255, 106, 0, .25);
    }

    .btn-outline-custom {
      background: transparent;
      color: var(--primary);
      border: 2px solid var(--primary);
      padding: 12px 30px;
      border-radius: 6px;
      font-weight: 600;
      font-size: 15px;
      cursor: pointer;
      transition: var(--transition);
      display: inline-block;
      text-align: center;
      line-height: 1.5;
    }

    .btn-outline-custom:hover {
      background: var(--primary);
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-primary-custom:focus-visible,
    .btn-outline-custom:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    /* ===== 通用板块 ===== */
    .section {
      padding: 80px 0;
    }

    .section-title {
      font-size: 34px;
      font-weight: 700;
      color: var(--primary);
      text-align: center;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      text-align: center;
      max-width: 560px;
      margin: 0 auto 48px;
      line-height: 1.8;
    }

    /* ===== 图文交替 ===== */
    .info-row {
      display: flex;
      align-items: center;
      gap: 56px;
      margin-bottom: 72px;
    }

    .info-row:last-child {
      margin-bottom: 0;
    }

    .info-media {
      flex: 1;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: var(--transition);
    }

    .info-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 260px;
      transition: transform .35s ease;
    }

    .info-media:hover {
      box-shadow: var(--shadow-lg);
    }

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

    .info-text {
      flex: 1;
      padding: 12px 0;
    }

    .info-text h3 {
      font-size: 26px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 16px;
      position: relative;
      padding-bottom: 14px;
      line-height: 1.3;
    }

    .info-text h3::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 48px;
      height: 3px;
      background: var(--accent);
      border-radius: 2px;
    }

    .info-text p {
      font-size: 16px;
      color: var(--text);
      line-height: 1.9;
      margin-bottom: 12px;
    }

    .info-row.reverse .info-text h3::after {
      left: auto;
      right: 0;
    }

    .btn-text {
      color: var(--accent);
      font-weight: 600;
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }

    .btn-text:hover {
      color: var(--accent-dark);
      gap: 10px;
    }

    /* ===== 观赛流程 ===== */
    .bg-secondary {
      background: var(--bg-secondary);
    }

    .steps {
      display: flex;
      gap: 0;
      align-items: flex-start;
      justify-content: center;
      flex-wrap: nowrap;
    }

    .step-item {
      flex: 1;
      background: var(--white);
      border-radius: var(--radius);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow);
      border-top: 3px solid var(--accent);
      transition: var(--transition);
      max-width: 230px;
    }

    .step-item:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .step-icon {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin: 0 auto 14px;
      transition: var(--transition);
    }

    .step-item:hover .step-icon {
      background: var(--accent);
      transform: scale(1.06);
    }

    .step-item h4 {
      font-size: 16px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .step-item p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .step-arrow {
      width: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 18px;
      padding-top: 26px;
      flex-shrink: 0;
    }

    /* ===== 数据区块 ===== */
    .stats-grid {
      display: flex;
      justify-content: center;
      gap: 48px;
      flex-wrap: wrap;
    }

    .stat-item {
      text-align: center;
      padding: 40px 48px;
      background: var(--white);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      border-bottom: 3px solid var(--accent);
      min-width: 220px;
      transition: var(--transition);
    }

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

    .stat-item h3 {
      font-size: 52px;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .stat-item p {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
      letter-spacing: 1px;
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 760px;
      margin: 0 auto;
    }

    .custom-accordion {
      background: var(--white);
      border: none;
      border-radius: var(--radius) !important;
      margin-bottom: 12px;
      box-shadow: var(--shadow);
      overflow: hidden;
      transition: var(--transition);
    }

    .custom-accordion:hover {
      box-shadow: var(--shadow-lg);
    }

    .custom-accordion .accordion-button {
      background: var(--white);
      color: var(--text);
      font-size: 16px;
      font-weight: 600;
      padding: 18px 24px;
      border: none;
      box-shadow: none;
      border-radius: 0 !important;
      transition: var(--transition);
    }

    .custom-accordion .accordion-button:not(.collapsed) {
      background: var(--bg-secondary);
      color: var(--primary);
      box-shadow: none;
    }

    .custom-accordion .accordion-button:focus {
      box-shadow: none;
      outline: 2px solid var(--accent);
      outline-offset: -2px;
      z-index: 1;
    }

    .custom-accordion .accordion-button::after {
      background-size: 14px;
      filter: hue-rotate(140deg) saturate(2);
    }

    .custom-accordion .accordion-body {
      padding: 16px 24px 20px;
      color: var(--text);
      font-size: 15px;
      line-height: 1.8;
      border-left: 3px solid var(--accent);
      background: var(--bg-secondary);
    }

    /* ===== CTA ===== */
    .cta-section {
      background: var(--primary-dark);
      padding: 72px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
      flex: 1;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: -60px;
      right: -60px;
      width: 200px;
      height: 200px;
      border-radius: 50%;
      background: rgba(255, 106, 0, .08);
    }

    .cta-section h2 {
      font-size: 34px;
      color: #fff;
      font-weight: 700;
      margin-bottom: 14px;
      position: relative;
      z-index: 1;
      line-height: 1.3;
    }

    .cta-section p {
      font-size: 16px;
      color: rgba(255, 255, 255, .7);
      margin-bottom: 32px;
      max-width: 500px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.8;
    }

    .cta-form {
      display: flex;
      gap: 12px;
      max-width: 540px;
      margin: 0 auto;
      flex-wrap: wrap;
      justify-content: center;
      position: relative;
      z-index: 1;
    }

    .cta-form input {
      flex: 1;
      min-width: 240px;
      height: 50px;
      border: 2px solid var(--primary);
      border-radius: var(--radius-sm);
      padding: 0 16px;
      font-size: 15px;
      background: var(--white);
      color: var(--text);
      transition: var(--transition);
      outline: none;
    }

    .cta-form input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(255, 106, 0, .15);
    }

    .cta-form .btn-primary-custom {
      height: 50px;
      padding: 0 28px;
    }

    /* ===== 页脚 ===== */
    .footer {
      background: var(--primary-dark);
      color: rgba(255, 255, 255, .68);
      padding: 56px 0 24px;
      flex-shrink: 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .brand-footer {
      font-size: 22px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
      letter-spacing: 2px;
    }

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

    .footer p {
      font-size: 14px;
      line-height: 1.8;
      margin-bottom: 0;
      color: rgba(255, 255, 255, .55);
    }

    .footer h5 {
      font-size: 15px;
      color: #fff;
      font-weight: 600;
      margin-bottom: 16px;
      letter-spacing: 1px;
    }

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

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

    .footer ul li a {
      font-size: 14px;
      color: rgba(255, 255, 255, .55);
      transition: var(--transition);
    }

    .footer ul li a:hover {
      color: var(--accent);
      padding-left: 4px;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      margin-bottom: 10px;
      color: rgba(255, 255, 255, .55);
    }

    .contact-item i {
      color: var(--accent);
      width: 16px;
    }

    .copyright {
      border-top: 1px solid rgba(255, 255, 255, .08);
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, .4);
    }

    .copyright p {
      margin-bottom: 0;
    }

    /* ===== 滚动条 ===== */
    ::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }

    ::-webkit-scrollbar-track {
      background: var(--bg-secondary);
    }

    ::-webkit-scrollbar-thumb {
      background: var(--primary);
      border-radius: 3px;
    }

    ::-webkit-scrollbar-thumb:hover {
      background: var(--accent);
    }

    /* ===== 响应式断点 ===== */
    @media (max-width: 1199px) {
      .section {
        padding: 64px 0;
      }

      .info-row {
        gap: 36px;
      }

      .step-arrow {
        width: 32px;
        font-size: 14px;
      }
    }

    @media (max-width: 991px) {
      .sidebar {
        width: 200px;
      }

      .main-content {
        margin-left: 200px;
      }

      .hero h1 {
        font-size: 40px;
      }

      .steps {
        flex-wrap: wrap;
        gap: 16px;
      }

      .step-arrow {
        display: none;
      }

      .step-item {
        max-width: calc(50% - 16px);
        flex: 1 1 calc(50% - 16px);
      }
    }

    @media (max-width: 767px) {
      .sidebar {
        display: none;
      }

      .main-content {
        margin-left: 0;
      }

      .mobile-nav {
        display: block;
      }

      .hero {
        min-height: 420px;
        padding: 100px 0 56px;
      }

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

      .hero-sub {
        font-size: 16px;
      }

      .section {
        padding: 56px 0;
      }

      .section-title {
        font-size: 28px;
      }

      .info-row,
      .info-row.reverse {
        flex-direction: column;
        gap: 24px;
      }

      .info-text h3 {
        font-size: 22px;
      }

      .info-media img {
        min-height: 180px;
      }

      .stats-grid {
        gap: 16px;
      }

      .stat-item {
        flex: 1 1 calc(50% - 16px);
        min-width: 140px;
        padding: 24px 16px;
      }

      .stat-item h3 {
        font-size: 40px;
      }

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

      .cta-form input {
        min-width: 100%;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
      }
    }

    @media (max-width: 520px) {
      .container-custom {
        padding: 0 16px;
      }

      .hero {
        padding-top: 88px;
      }

      .hero h1 {
        font-size: 28px;
      }

      .hero-sub {
        font-size: 15px;
      }

      .step-item {
        flex: 1 1 100%;
        max-width: 100%;
      }

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

      .stat-item {
        flex: 1 1 100%;
      }
    }

/* roulang page: article */
:root {
            --primary: #0D3B2E;
            --primary-dark: #0B2B23;
            --accent: #FF6A00;
            --accent-dark: #E85D00;
            --bg: #FAF7F2;
            --bg-secondary: #F0F4F2;
            --text: #17332A;
            --text-light: #5A7568;
            --border: #E4E9E6;
            --success: #1E8E5A;
            --white: #FFFFFF;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 8px rgba(13, 59, 46, .08);
            --shadow-lg: 0 8px 24px rgba(13, 59, 46, .14);
            --font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

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

        ::selection {
            background: rgba(255, 106, 0, .25);
        }

        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-secondary);
        }

        ::-webkit-scrollbar-thumb {
            background: #A9C4B5;
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #8CAFA0;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: 1px solid transparent;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all .2s ease;
            line-height: 1.5;
        }

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

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all .2s ease;
            line-height: 1.5;
        }

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

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

        .badge-cat {
            display: inline-block;
            background: #FFF0E5;
            color: var(--accent-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            line-height: 1.4;
            white-space: nowrap;
        }

        /* ===== 侧边导航 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 240px;
            background: var(--primary);
            display: flex;
            flex-direction: column;
            padding: 28px 16px 20px;
            z-index: 1000;
            overflow-y: auto;
        }

        .sidebar::-webkit-scrollbar {
            width: 6px;
        }

        .sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, .2);
            border-radius: 3px;
        }

        .sidebar-brand-wrap {
            padding: 0 8px;
        }

        .brand {
            display: inline-flex;
            align-items: baseline;
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .brand span {
            color: var(--accent);
        }

        .brand-sub {
            font-size: 12px;
            color: rgba(255, 255, 255, .55);
            letter-spacing: 5px;
            margin: 6px 0 30px 4px;
        }

        .sidebar-menu {
            flex: 1;
        }

        .sidebar-menu li {
            margin-bottom: 4px;
        }

        .sidebar-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, .82);
            font-size: 15px;
            border-radius: 8px;
            transition: all .2s;
            position: relative;
        }

        .sidebar-menu a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            opacity: .8;
        }

        .sidebar-menu a:hover {
            background: rgba(255, 106, 0, .18);
            color: var(--accent);
        }

        .sidebar-menu a.active {
            background: rgba(255, 106, 0, .18);
            color: var(--accent);
            font-weight: 600;
        }

        .sidebar-menu a.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            background: var(--accent);
            border-radius: 0 4px 4px 0;
        }

        .sidebar-cta {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, .1);
        }

        .sidebar-login {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 6px;
            font-size: 14px;
            transition: all .2s;
        }

        .sidebar-login:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 106, 0, .25);
        }

        /* ===== 移动端导航 ===== */
        .mobile-nav {
            display: none;
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, .18);
        }

        .mobile-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
        }

        .brand-mobile {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .brand-mobile span {
            color: var(--accent);
        }

        .hamburger {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background .2s;
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, .1);
        }

        .mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }

        .mobile-menu.open {
            max-height: 520px;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }

        .mobile-menu li {
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .mobile-menu a {
            display: block;
            padding: 14px 20px;
            color: rgba(255, 255, 255, .9);
            font-size: 15px;
            transition: background .2s, color .2s;
        }

        .mobile-menu a:hover {
            background: rgba(255, 106, 0, .18);
            color: var(--accent);
        }

        .mobile-menu a.active {
            color: var(--accent);
            font-weight: 600;
        }

        /* ===== 主内容 ===== */
        .main-wrapper {
            margin-left: 240px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .article-page {
            flex: 1;
            padding: 48px 0 72px;
        }

        .article-container {
            max-width: 920px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 48px 56px;
            border: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 28px;
            gap: 8px;
        }

        .breadcrumb a {
            color: var(--text-light);
            transition: color .2s;
        }

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

        .breadcrumb .sep {
            color: #AFC4B8;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        .article-title {
            font-size: 32px;
            line-height: 1.3;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            padding-bottom: 28px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 36px;
        }

        .article-meta i {
            color: var(--accent);
            margin-right: 4px;
        }

        .article-meta .dot {
            color: var(--border);
            margin: 0 2px;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            word-wrap: break-word;
        }

        .article-content p {
            margin-bottom: 24px;
        }

        .article-content h2 {
            font-size: 24px;
            color: var(--primary);
            font-weight: 700;
            padding-bottom: 12px;
            border-bottom: 1px solid #D5E5DD;
            margin: 40px 0 20px;
        }

        .article-content h3 {
            font-size: 20px;
            color: var(--primary);
            font-weight: 600;
            margin: 32px 0 16px;
        }

        .article-content h4 {
            font-size: 17px;
            color: var(--primary);
            font-weight: 600;
            margin: 24px 0 12px;
        }

        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            margin: 24px 0;
        }

        .article-content figure {
            margin: 24px 0;
        }

        .article-content figcaption {
            font-size: 13px;
            color: var(--text-light);
            text-align: center;
            margin-top: 8px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-secondary);
            padding: 16px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 28px 0;
            color: var(--text-light);
            font-style: normal;
        }

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

        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin-bottom: 24px;
        }

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

        .article-content ul li {
            list-style: disc;
        }

        .article-content ol li {
            list-style: decimal;
        }

        .article-content a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        .article-content a:hover {
            color: var(--accent-dark);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content th {
            background: var(--bg-secondary);
            color: var(--primary);
            font-weight: 600;
        }

        .article-content pre {
            background: var(--primary);
            color: #EAF2ED;
            padding: 18px 20px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            font-size: 14px;
            margin: 24px 0;
            line-height: 1.7;
        }

        .article-content code {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
        }

        /* 无内容状态 */
        .not-found {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-secondary);
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
        }

        .not-found i {
            font-size: 44px;
            color: #AFC4B8;
            margin-bottom: 16px;
        }

        .not-found p {
            font-size: 18px;
            color: var(--text-light);
            margin-bottom: 20px;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            margin-top: 48px;
            padding-top: 40px;
            border-top: 1px solid var(--border);
        }

        .related-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 24px;
        }

        .related-title::before {
            content: "";
            width: 4px;
            height: 22px;
            background: var(--accent);
            border-radius: 4px;
            flex-shrink: 0;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .related-card .img-wrap {
            display: block;
            height: 150px;
            overflow: hidden;
            background: var(--bg-secondary);
        }

        .related-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

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

        .related-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card .badge-cat {
            align-self: flex-start;
            margin-bottom: 10px;
        }

        .related-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .related-card h4 a {
            color: inherit;
            transition: color .2s;
        }

        .related-card h4 a:hover {
            color: var(--accent);
        }

        .related-card .card-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
            flex: 1;
        }

        .related-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }

        .card-meta i {
            margin-right: 3px;
        }

        .back-btn {
            margin-top: 32px;
            text-align: center;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .8);
            padding: 56px 0 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .brand-footer {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

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

        .footer p {
            color: rgba(255, 255, 255, .68);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer h5 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

        .footer ul a {
            color: rgba(255, 255, 255, .68);
            transition: color .2s;
        }

        .footer ul a:hover {
            color: var(--accent);
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .68);
            margin-bottom: 12px;
        }

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

        .copyright {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            text-align: center;
            color: rgba(255, 255, 255, .45);
            font-size: 13px;
        }

        .copyright p {
            margin-bottom: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 991.98px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .article-card {
                padding: 36px 32px;
            }
        }

        @media (max-width: 767.98px) {
            .sidebar {
                display: none;
            }

            .main-wrapper {
                margin-left: 0;
            }

            .mobile-nav {
                display: block;
            }

            .article-page {
                padding: 24px 0 48px;
            }

            .article-container {
                padding: 0 16px;
            }

            .article-card {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }

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

            .article-content {
                font-size: 15px;
                line-height: 1.78;
            }

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

            .article-content h3 {
                font-size: 18px;
            }

            .article-meta {
                font-size: 13px;
                gap: 6px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 32px;
            }

            .footer {
                padding-top: 40px;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .related-title {
                font-size: 20px;
            }

            .breadcrumb {
                font-size: 13px;
            }
        }

        @media (min-width: 768px) {
            .mobile-nav {
                display: none !important;
            }

            .sidebar {
                display: flex !important;
            }
        }

        @media (max-width: 520px) {
            .article-card {
                padding: 20px 16px;
            }

            .article-meta {
                display: flex;
                flex-wrap: wrap;
                gap: 4px 8px;
            }

            .article-meta .dot {
                display: none;
            }

            .related-card .img-wrap {
                height: 130px;
            }
        }

/* roulang page: category2 */
:root{
    --primary:#0D3B2E;
    --primary-dark:#0B2B23;
    --accent:#FF6A00;
    --accent-dark:#E85D00;
    --bg:#FAF7F2;
    --text:#17332A;
    --text-light:#5A7466;
    --border:#E4E9E6;
    --bg-secondary:#F0F4F2;
    --success:#1E8E5A;
    --radius-card:12px;
    --radius-btn:6px;
    --radius-img:8px;
    --shadow:0 2px 8px rgba(13,59,46,.08);
    --shadow-hover:0 8px 24px rgba(13,59,46,.14);
    --font-main:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-main);
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.75;
    overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color .25s}
button{font-family:var(--font-main)}
::selection{background:rgba(255,106,0,.22)}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--bg-secondary)}
::-webkit-scrollbar-thumb{background:#9BB8AB;border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:var(--primary)}
.container-custom{
    max-width:1200px;
    margin:0 auto;
    padding:0 28px;
}
h1,h2,h3,h4,h5{font-weight:700;line-height:1.3;color:var(--text)}
h1{font-size:40px}
h2{font-size:30px;margin-bottom:16px}
h3{font-size:22px}
@media(max-width:768px){
    h1{font-size:32px}
    h2{font-size:24px}
    h3{font-size:18px}
}

/* ===== Sidebar 左侧竖向导航 ===== */
.sidebar{
    position:fixed;
    top:0;left:0;bottom:0;
    width:240px;
    background:var(--primary);
    z-index:1000;
    display:flex;
    flex-direction:column;
    padding:32px 0 24px;
    transition:transform .3s ease;
}
.sidebar .brand{
    padding:0 24px;
    margin-bottom:36px;
}
.brand-logo{
    font-size:28px;
    font-weight:800;
    color:#fff;
    letter-spacing:1px;
    display:inline-block;
}
.brand-logo span{color:var(--accent)}
.brand-sub{
    font-size:12px;
    color:rgba(255,255,255,.6);
    letter-spacing:2px;
    margin-top:4px;
    text-transform:uppercase;
}
.side-nav{flex:1;padding:0 12px}
.side-nav ul{list-style:none}
.side-nav li{margin-bottom:4px}
.side-nav a{
    display:flex;
    align-items:center;
    gap:14px;
    padding:12px 18px;
    border-radius:10px;
    color:rgba(255,255,255,.78);
    font-size:15px;
    font-weight:500;
    transition:background .25s,color .25s,transform .2s;
    position:relative;
}
.side-nav a i{width:20px;text-align:center;font-size:16px}
.side-nav a:hover{
    background:rgba(255,106,0,.18);
    color:var(--accent);
    transform:translateX(3px);
}
.side-nav a.active{
    background:rgba(255,106,0,.16);
    color:#fff;
    font-weight:600;
}
.side-nav a.active::before{
    content:"";
    position:absolute;
    left:-12px;top:50%;
    transform:translateY(-50%);
    width:4px;height:24px;
    background:var(--accent);
    border-radius:0 4px 4px 0;
}
.side-nav a.login-link{
    color:var(--accent);
    font-weight:600;
    border:1px solid rgba(255,106,0,.4);
    margin-top:8px;
    justify-content:center;
}
.side-nav a.login-link:hover{
    background:var(--accent);
    color:#fff;
    border-color:var(--accent);
}
.sidebar-footer{
    padding:16px 24px 0;
    border-top:1px solid rgba(255,255,255,.08);
}
.sidebar-footer p{
    font-size:12px;
    color:rgba(255,255,255,.35);
    line-height:1.6;
}

/* ===== Mobile Nav 移动端顶部导航 ===== */
.mobile-nav{
    display:none;
    position:fixed;
    top:0;left:0;right:0;
    background:var(--primary);
    z-index:1200;
    box-shadow:0 2px 12px rgba(0,0,0,.18);
}
.mobile-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:14px 20px;
}
.brand-mobile{
    font-size:24px;
    font-weight:800;
    color:#fff;
}
.brand-mobile span{color:var(--accent)}
.hamburger{
    background:none;
    border:none;
    color:#fff;
    font-size:22px;
    cursor:pointer;
    padding:6px 10px;
    border-radius:8px;
    transition:background .2s;
}
.hamburger:hover{background:rgba(255,255,255,.1)}
.mobile-menu{
    display:none;
    list-style:none;
    padding:0;
    margin:0;
    border-top:1px solid rgba(255,255,255,.08);
    background:var(--primary);
    max-height:calc(100vh - 66px);
    overflow-y:auto;
}
.mobile-menu.open{display:block}
.mobile-menu li{border-bottom:1px solid rgba(255,255,255,.06)}
.mobile-menu a{
    display:block;
    padding:15px 24px;
    color:rgba(255,255,255,.85);
    font-size:16px;
    font-weight:500;
    transition:background .2s,color .2s;
}
.mobile-menu a:hover,
.mobile-menu a.active{background:rgba(255,106,0,.14);color:var(--accent)}
.mobile-menu a.login-link{color:var(--accent);font-weight:600}

/* ===== Main Content ===== */
.main-content{
    margin-left:240px;
    min-height:100vh;
    display:flex;
    flex-direction:column;
}
@media(max-width:768px){
    .main-content{margin-left:0;padding-top:60px}
}

/* ===== Banner ===== */
.page-banner{
    position:relative;
    padding:110px 0 100px;
    background:linear-gradient(135deg,rgba(13,59,46,.88) 0%,rgba(13,59,46,.65) 45%,rgba(13,59,46,.35) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    color:#fff;
}
.page-banner::after{
    content:"";
    position:absolute;
    bottom:0;left:0;right:0;
    height:80px;
    background:linear-gradient(to bottom,transparent,var(--bg));
    pointer-events:none;
}
.banner-inner{max-width:680px;position:relative;z-index:2}
.banner-tag{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(255,255,255,.14);
    backdrop-filter:blur(4px);
    border:1px solid rgba(255,255,255,.25);
    color:#fff;
    padding:6px 16px;
    border-radius:999px;
    font-size:13px;
    font-weight:500;
    margin-bottom:24px;
}
.banner-tag i{color:var(--accent)}
.page-banner h1{
    color:#fff;
    font-size:42px;
    margin-bottom:20px;
    letter-spacing:1px;
}
.banner-inner p{
    font-size:17px;
    color:rgba(255,255,255,.85);
    line-height:1.8;
    margin-bottom:32px;
}
.banner-ctas{display:flex;gap:14px;flex-wrap:wrap}
.btn-primary-cus{
    background:var(--accent);
    color:#fff;
    border:none;
    padding:13px 30px;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:background .25s,box-shadow .25s,transform .2s;
    display:inline-flex;
    align-items:center;
    gap:8px;
}
.btn-primary-cus:hover{
    background:var(--accent-dark);
    box-shadow:0 6px 18px rgba(255,106,0,.3);
    transform:translateY(-2px);
}
.btn-outline-cus{
    background:transparent;
    color:#fff;
    border:1.5px solid rgba(255,255,255,.6);
    padding:12px 28px;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:500;
    cursor:pointer;
    transition:background .25s,border-color .25s,transform .2s;
    display:inline-flex;
    align-items:center;
    gap:8px;
}
.btn-outline-cus:hover{
    background:rgba(255,255,255,.1);
    border-color:#fff;
    transform:translateY(-2px);
}

/* ===== Guide Blocks 图文模块 ===== */
.guide-section{
    padding:80px 0;
}
.guide-section .section-header{
    text-align:center;
    max-width:620px;
    margin:0 auto 56px;
}
.section-eyebrow{
    display:inline-block;
    background:#FFF0E5;
    color:var(--accent);
    font-size:13px;
    font-weight:600;
    padding:5px 14px;
    border-radius:999px;
    margin-bottom:14px;
}
.guide-section .section-header h2{
    font-size:32px;
    margin-bottom:12px;
}
.guide-section .section-header p{
    color:var(--text-light);
    font-size:15px;
    line-height:1.7;
}
.guide-blocks{
    display:flex;
    flex-direction:column;
    gap:56px;
}
.guide-block{
    display:flex;
    align-items:center;
    gap:48px;
    background:#fff;
    border-radius:16px;
    padding:36px;
    box-shadow:var(--shadow);
    border:1px solid var(--border);
    transition:box-shadow .3s,transform .3s;
}
.guide-block:hover{
    box-shadow:var(--shadow-hover);
    transform:translateY(-4px);
}
.guide-block.reverse{flex-direction:row-reverse}
.guide-media{
    flex:1.1;
    border-radius:12px;
    overflow:hidden;
    position:relative;
    min-height:240px;
}
.guide-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    border-radius:12px;
    transition:transform .5s ease;
}
.guide-block:hover .guide-media img{transform:scale(1.03)}
.guide-content{flex:1;padding:8px 0}
.guide-icon{
    width:52px;height:52px;
    border-radius:14px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:22px;
    margin-bottom:18px;
    background:var(--bg-secondary);
    color:var(--primary);
}
.guide-icon.orange{
    background:#FFF0E5;
    color:var(--accent);
}
.guide-content h3{
    font-size:22px;
    margin-bottom:12px;
    color:var(--text);
}
.guide-content p{
    color:var(--text-light);
    font-size:15px;
    line-height:1.8;
    margin-bottom:18px;
}
.guide-tags{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
}
.guide-tag{
    background:var(--bg-secondary);
    color:var(--primary);
    font-size:13px;
    font-weight:600;
    padding:5px 14px;
    border-radius:999px;
    display:inline-flex;
    align-items:center;
    gap:6px;
    transition:background .2s;
}
.guide-tag i{color:var(--accent)}
.guide-tag:hover{background:#E3F0E9}

/* ===== Steps 流程 ===== */
.steps-section{
    background:var(--bg-secondary);
    padding:80px 0;
}
.steps-wrapper{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:32px;
    margin-top:48px;
    position:relative;
}
.step-card{
    background:#fff;
    border-radius:14px;
    padding:32px 24px;
    text-align:center;
    position:relative;
    box-shadow:var(--shadow);
    border-top:4px solid var(--primary);
    transition:box-shadow .3s,transform .3s;
}
.step-card:hover{
    box-shadow:var(--shadow-hover);
    transform:translateY(-5px);
}
.step-number{
    width:46px;height:46px;
    background:var(--primary);
    color:#fff;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:20px;
    font-weight:700;
    margin:0 auto 18px;
    box-shadow:0 4px 12px rgba(13,59,46,.25);
}
.step-icon{
    font-size:30px;
    color:var(--accent);
    margin-bottom:14px;
}
.step-card h3{font-size:18px;margin-bottom:10px}
.step-card p{font-size:14px;color:var(--text-light);line-height:1.7}
.step-arrow{
    position:absolute;
    right:-26px;
    top:50%;
    transform:translateY(-50%);
    color:var(--accent);
    font-size:20px;
    z-index:2;
    background:var(--bg-secondary);
    border-radius:50%;
    width:32px;height:32px;
    display:flex;
    align-items:center;
    justify-content:center;
}
.step-card:last-child .step-arrow{display:none}

/* ===== FAQ ===== */
.faq-section{
    padding:80px 0;
    background:var(--bg);
}
.faq-grid{
    max-width:820px;
    margin:48px auto 0;
}
.accordion{
    --bs-accordion-border-color:var(--border);
    --bs-accordion-btn-focus-box-shadow:none;
    --bs-accordion-active-bg:#F0F8F4;
    --bs-accordion-active-color:var(--text);
    --bs-accordion-bg:#fff;
    border-radius:14px;
    overflow:hidden;
    box-shadow:var(--shadow);
}
.accordion-item{
    border:none;
    border-bottom:1px solid var(--border);
    background:#fff;
}
.accordion-item:last-child{border-bottom:none}
.accordion-header{
    background:#fff;
}
.accordion-button{
    background:#fff;
    color:var(--text);
    font-size:16px;
    font-weight:600;
    padding:22px 26px;
    border:none;
    box-shadow:none;
    transition:background .25s,color .25s;
    display:flex;
    align-items:center;
    gap:14px;
}
.accordion-button::after{
    background-image:none;
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    content:"\f067";
    font-size:15px;
    color:var(--accent);
    transition:transform .25s;
    width:auto;height:auto;
    flex-shrink:0;
}
.accordion-button:not(.collapsed)::after{
    content:"\f068";
    transform:none;
    background-image:none;
}
.accordion-button:hover{background:#FAFBF9}
.accordion-button:not(.collapsed){
    background:var(--bg-secondary);
    box-shadow:none;
    border-left:3px solid var(--accent);
}
.accordion-body{
    padding:8px 26px 24px;
    color:var(--text-light);
    font-size:15px;
    line-height:1.8;
    background:#fff;
    border-left:3px solid var(--accent);
    border-radius:0 0 0 8px;
}
.accordion-button:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:-2px;
    border-radius:8px;
}

/* ===== Pricing 简版价格 ===== */
.pricing-section{
    padding:80px 0;
    background:var(--bg-secondary);
}
.pricing-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:28px;
    margin-top:48px;
    align-items:center;
}
.price-card{
    background:#fff;
    border-radius:16px;
    padding:36px 30px;
    text-align:center;
    box-shadow:var(--shadow);
    border:1px solid var(--border);
    position:relative;
    transition:box-shadow .3s,transform .3s;
}
.price-card:hover{
    box-shadow:var(--shadow-hover);
    transform:translateY(-6px);
}
.price-card.highlight{
    background:var(--primary);
    color:#fff;
    transform:scale(1.04);
    padding:46px 32px;
    box-shadow:0 12px 36px rgba(13,59,46,.25);
}
.price-card.highlight:hover{transform:scale(1.04) translateY(-4px)}
.price-badge{
    position:absolute;
    top:-14px;
    left:50%;
    transform:translateX(-50%);
    background:var(--accent);
    color:#fff;
    font-size:12px;
    font-weight:700;
    padding:4px 16px;
    border-radius:999px;
    box-shadow:0 4px 10px rgba(255,106,0,.3);
    white-space:nowrap;
}
.price-name{font-size:18px;font-weight:700;margin-bottom:6px}
.price-card.highlight .price-name{color:#fff}
.price-amount{font-size:44px;font-weight:800;line-height:1.1;margin:16px 0 8px}
.price-amount small{font-size:16px;font-weight:500;color:var(--text-light)}
.price-card.highlight .price-amount small{color:rgba(255,255,255,.6)}
.price-desc{font-size:14px;color:var(--text-light);margin-bottom:22px}
.price-card.highlight .price-desc{color:rgba(255,255,255,.7)}
.price-feats{
    list-style:none;
    padding:0;
    margin:0 0 28px;
    text-align:left;
}
.price-feats li{
    padding:7px 0;
    font-size:14px;
    color:var(--text-light);
    display:flex;
    align-items:center;
    gap:10px;
}
.price-card.highlight .price-feats li{color:rgba(255,255,255,.85)}
.price-feats li i{
    color:var(--success);
    font-size:14px;
    flex-shrink:0;
}
.price-card.highlight .price-feats li i{color:#4FD68A}
.btn-price{
    display:inline-block;
    background:var(--accent);
    color:#fff;
    padding:10px 28px;
    border-radius:var(--radius-btn);
    font-size:14px;
    font-weight:600;
    transition:background .25s,transform .2s;
}
.btn-price:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
.price-card.highlight .btn-price{background:var(--accent)}
.price-card.highlight .btn-price:hover{background:var(--accent-dark)}

/* ===== Contact CTA ===== */
.contact-cta{
    padding:80px 0;
    background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);
    color:#fff;
    position:relative;
    overflow:hidden;
}
.contact-cta::before{
    content:"";
    position:absolute;
    right:-120px;top:-120px;
    width:340px;height:340px;
    border-radius:50%;
    background:rgba(255,106,0,.12);
}
.contact-cta::after{
    content:"";
    position:absolute;
    left:-80px;bottom:-80px;
    width:220px;height:220px;
    border-radius:50%;
    border:2px solid rgba(255,255,255,.08);
}
.cta-inner{
    position:relative;
    z-index:2;
    text-align:center;
    max-width:720px;
    margin:0 auto;
}
.cta-inner h2{
    color:#fff;
    font-size:34px;
    margin-bottom:16px;
}
.cta-inner p{
    color:rgba(255,255,255,.7);
    font-size:16px;
    margin-bottom:32px;
}
.cta-btns{
    display:flex;
    gap:16px;
    justify-content:center;
    flex-wrap:wrap;
    margin-bottom:36px;
}
.contact-info-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
    max-width:640px;
    margin:36px auto 0;
    border-top:1px solid rgba(255,255,255,.1);
    padding-top:32px;
}
.contact-info-item{
    display:flex;
    align-items:center;
    gap:12px;
    justify-content:center;
    font-size:14px;
    color:rgba(255,255,255,.8);
}
.contact-info-item i{
    color:var(--accent);
    font-size:18px;
}

/* ===== Footer ===== */
.footer{
    background:var(--primary-dark);
    color:rgba(255,255,255,.7);
    padding:64px 0 0;
    font-size:14px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.3fr;
    gap:48px;
    padding-bottom:48px;
}
.brand-footer{
    font-size:26px;
    font-weight:800;
    color:#fff;
    margin-bottom:12px;
}
.brand-footer span{color:var(--accent)}
.footer p{
    font-size:14px;
    line-height:1.8;
    color:rgba(255,255,255,.55);
    max-width:280px;
}
.footer h5{
    color:#fff;
    font-size:16px;
    font-weight:600;
    margin-bottom:18px;
}
.footer ul{
    list-style:none;
    padding:0;
    margin:0;
}
.footer ul li{margin-bottom:10px}
.footer ul a{
    color:rgba(255,255,255,.55);
    font-size:14px;
    transition:color .2s,padding-left .2s;
    position:relative;
}
.footer ul a:hover{
    color:var(--accent);
    padding-left:6px;
}
.contact-item{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:14px;
    margin-bottom:12px;
    color:rgba(255,255,255,.55);
}
.contact-item i{color:var(--accent)}
.copyright{
    border-top:1px solid rgba(255,255,255,.08);
    padding:22px 0;
    text-align:center;
    font-size:13px;
    color:rgba(255,255,255,.35);
}
.copyright p{margin:0}

/* ===== Buttons focus ===== */
.btn-primary-cus:focus-visible,
.btn-outline-cus:focus-visible,
.btn-price:focus-visible,
.accordion-button:focus-visible,
.hamburger:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:3px;
}

/* ===== Responsive ===== */
@media(max-width:1199px){
    .guide-block{
        padding:28px;
        gap:32px;
    }
    .pricing-grid{grid-template-columns:1fr;max-width:420px;margin-left:auto;margin-right:auto}
    .price-card.highlight{transform:none}
    .price-card.highlight:hover{transform:translateY(-6px)}
    .steps-wrapper{grid-template-columns:1fr;max-width:420px;margin-left:auto;margin-right:auto}
    .step-arrow{display:none}
    .contact-info-grid{grid-template-columns:1fr;gap:12px}
}
@media(max-width:991px){
    .guide-block,.guide-block.reverse{flex-direction:column;padding:32px 28px}
    .guide-media{width:100%;min-height:200px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:768px){
    .sidebar{display:none}
    .mobile-nav{display:block}
    .main-content{margin-left:0}
    .page-banner{padding:70px 0 60px}
    .page-banner h1{font-size:32px}
    .banner-inner p{font-size:15px}
    .guide-section,.steps-section,.faq-section,.pricing-section,.contact-cta{padding:56px 0}
    .guide-section .section-header h2{font-size:26px}
    .guide-blocks{gap:32px}
    .guide-block{padding:22px;border-radius:12px}
    .guide-block,.guide-block.reverse{flex-direction:column;gap:20px}
    .guide-media{min-height:180px}
    .guide-content h3{font-size:18px}
    .guide-content p{font-size:14px}
    .guide-tags{gap:8px}
    .steps-wrapper{grid-template-columns:1fr;max-width:100%;gap:20px}
    .step-card{padding:24px}
    .faq-grid{margin-top:32px}
    .accordion-button{font-size:15px;padding:18px 20px}
    .accordion-body{font-size:14px;padding:6px 18px 18px}
    .pricing-grid{grid-template-columns:1fr;max-width:100%}
    .price-card.highlight{transform:none;padding:36px 28px}
    .price-card.highlight:hover{transform:translateY(-4px)}
    .price-amount{font-size:36px}
    .cta-inner h2{font-size:26px}
    .contact-cta{padding:56px 0}
    .cta-btns{flex-direction:column;align-items:center;gap:12px}
    .btn-primary-cus,.btn-outline-cus{width:100%;max-width:240px;justify-content:center}
    .contact-info-grid{grid-template-columns:1fr;max-width:100%}
    .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
    .footer{padding-top:48px}
    .brand-footer{font-size:22px}
}
@media(max-width:520px){
    .container-custom{padding:0 18px}
    .guide-block{padding:18px;border-radius:10px}
    .page-banner h1{font-size:28px}
    .banner-ctas{flex-direction:column;width:100%}
    .banner-ctas .btn-primary-cus,.banner-ctas .btn-outline-cus{width:100%;justify-content:center}
    .guide-section .section-header h2{font-size:22px}
    .guide-section .section-header p{font-size:14px}
    .banner-tag{font-size:12px;padding:4px 12px}
    .step-card{padding:20px}
    .price-name{font-size:16px}
    .price-amount{font-size:32px}
}