/* roulang page: index */
:root{
  --primary:#0F766E;
  --primary-dark:#0B5D57;
  --primary-soft:#D1EDEA;
  --accent:#C9A063;
  --accent-dark:#A8844C;
  --bg-page:#FAF8F5;
  --bg-alt:#EFEDE8;
  --bg-card:#FFFFFF;
  --text-main:#1F2B29;
  --text-sub:#5A6866;
  --border:#E2DED7;
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 8px 30px rgba(15,118,110,.08);
  --shadow-hover:0 12px 40px rgba(15,118,110,.14);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
  --transition:all .25s ease;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.7;
  color:var(--text-main);
  background:var(--bg-page);
}
a{text-decoration:none;color:inherit;transition:var(--transition);}
img{max-width:100%;height:auto;display:block;}
ul,ol{list-style:none;}
button{font-family:inherit;}
.container{max-width:1280px;margin:0 auto;padding:0 32px;}
.section-padding{padding-top:96px;padding-bottom:96px;}
@media screen and (max-width:768px){
  .section-padding{padding-top:64px;padding-bottom:64px;}
  .container{padding:0 20px;}
}
/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  padding:14px 32px;
  font-size:16px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:var(--transition);
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 10px 25px rgba(15,118,110,.25);
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:inset 0 3px 8px rgba(0,0,0,.18);
}
.btn-outline{
  background:transparent;
  color:var(--primary);
  border-color:var(--primary);
}
.btn-outline:hover{
  background:var(--primary-soft);
  border-color:var(--primary-dark);
  transform:translateY(-2px);
}
.btn-outline:focus-visible,
.btn-primary:focus-visible{
  outline:3px solid rgba(15,118,110,.3);
  outline-offset:2px;
}
.btn-accent{
  background:var(--accent);
  color:#fff;
}
.btn-accent:hover{
  background:var(--accent-dark);
  transform:translateY(-2px);
}
/* 标签 / 徽章 */
.badge{
  display:inline-block;
  background:var(--primary-soft);
  color:var(--primary-dark);
  font-size:13px;
  font-weight:600;
  border-radius:var(--radius-sm);
  padding:4px 14px;
  line-height:1.4;
}
.badge-gold{
  background:rgba(201,160,99,.16);
  color:var(--accent-dark);
}
/* 数据徽章 */
.data-badge{
  background:var(--primary-soft);
  border-radius:var(--radius-md);
  padding:20px 16px;
  text-align:center;
  min-height:100px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
}
.data-badge .num{
  font-size:28px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.data-badge .label{
  font-size:14px;
  color:var(--text-sub);
  margin-top:6px;
}
.data-badge-round{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius:50%;
  width:64px;
  height:64px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:24px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(15,118,110,.3);
}
/* 布局 */
.app-layout{
  display:flex;
  min-height:100vh;
}
.sidebar{
  width:240px;
  flex-shrink:0;
  background:var(--bg-card);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  z-index:100;
  padding:28px 0 20px;
}
.sidebar-brand{
  padding:0 24px;
  margin-bottom:36px;
}
.sidebar-brand .logo-text{
  font-size:20px;
  font-weight:700;
  color:var(--primary-dark);
  line-height:1.35;
  display:block;
}
.sidebar-nav{
  flex:1;
}
.sidebar-nav ul li a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:13px 24px;
  font-size:15px;
  font-weight:500;
  color:var(--text-main);
  border-left:4px solid transparent;
  transition:var(--transition);
}
.sidebar-nav ul li a i{
  width:20px;
  text-align:center;
  color:var(--text-sub);
  font-size:16px;
}
.sidebar-nav ul li a:hover{
  background:rgba(15,118,110,.05);
  color:var(--primary);
}
.sidebar-nav ul li a.active{
  background:var(--primary-soft);
  border-left-color:var(--primary);
  color:var(--primary-dark);
  font-weight:600;
}
.sidebar-nav ul li a.active i{
  color:var(--primary);
}
.sidebar-footer{
  padding:20px 24px 0;
  border-top:1px solid var(--border);
  font-size:12px;
  color:var(--text-sub);
  line-height:1.6;
}
.main-content{
  flex:1;
  margin-left:240px;
  min-width:0;
}
/* 移动导航 */
.mobile-header{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:64px;
  background:var(--bg-card);
  border-bottom:1px solid var(--border);
  z-index:200;
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
}
.mobile-header .logo-text{
  font-size:18px;
  font-weight:700;
  color:var(--primary-dark);
}
.mobile-header .hamburger{
  background:none;
  border:none;
  font-size:24px;
  color:var(--text-main);
  cursor:pointer;
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.mobile-drawer{
  display:none;
  position:fixed;
  top:64px;left:0;right:0;bottom:0;
  background:var(--bg-page);
  z-index:190;
  padding:32px 24px;
  overflow-y:auto;
}
.mobile-drawer.open{display:block;}
.mobile-drawer ul li a{
  display:block;
  font-size:20px;
  font-weight:600;
  padding:16px 8px;
  border-bottom:1px solid var(--border);
  color:var(--text-main);
}
.mobile-drawer ul li a.active{
  color:var(--primary);
}
.mobile-drawer .drawer-footer{
  margin-top:40px;
  font-size:13px;
  color:var(--text-sub);
  text-align:center;
}
@media screen and (max-width:768px){
  .sidebar{display:none;}
  .main-content{margin-left:0;padding-top:64px;}
  .mobile-header{display:flex;}
}
/* 桌面顶部移动端顶部用 main 内 padding top 处理 */
/* Hero */
.hero-section{
  position:relative;
  background:linear-gradient(135deg,#0B5D57 0%,#0F766E 60%,#12897F 100%);
  padding:96px 0 120px;
  overflow:hidden;
}
.hero-section .backdrop{
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(circle at 80% 20%,rgba(255,255,255,.09) 0%,transparent 45%),
    radial-gradient(circle at 20% 80%,rgba(201,160,99,.18) 0%,transparent 45%),
    radial-gradient(circle at 60% 60%,rgba(255,255,255,.04) 0%,transparent 50%);
}
.hero-section .backdrop::after{
  content:'';
  position:absolute;
  top:0;right:0;
  width:60%;
  height:100%;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.12;
}
.hero-section .container{
  position:relative;
  z-index:2;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:64px;
  align-items:center;
}
.hero-content .hero-badge{
  background:rgba(255,255,255,.16);
  color:#fff;
  border:1px solid rgba(255,255,255,.2);
  border-radius:999px;
  padding:6px 18px;
  font-size:14px;
  display:inline-block;
  margin-bottom:24px;
  backdrop-filter:blur(4px);
}
.hero-content h1{
  font-size:44px;
  line-height:1.3;
  font-weight:700;
  color:#fff;
  letter-spacing:-.5px;
  margin-bottom:24px;
}
.hero-content p.hero-sub{
  font-size:18px;
  line-height:1.75;
  color:rgba(255,255,255,.9);
  max-width:520px;
  margin-bottom:36px;
}
.hero-cta{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}
.hero-visual{
  position:relative;
}
.hero-card{
  background:rgba(255,255,255,.1);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-lg);
  padding:32px;
  color:#fff;
  box-shadow:0 20px 50px rgba(0,0,0,.18);
}
.hero-card .mini-title{
  font-size:14px;
  color:rgba(255,255,255,.7);
  margin-bottom:20px;
  letter-spacing:1px;
}
.hero-card .feature-row{
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.hero-card .feature-row:last-child{border-bottom:none;}
.hero-card .feature-row i{
  width:36px;
  height:36px;
  background:rgba(255,255,255,.15);
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  flex-shrink:0;
}
.hero-card .feature-row .f-txt strong{
  display:block;
  font-size:15px;
  font-weight:600;
}
.hero-card .feature-row .f-txt span{
  font-size:13px;
  color:rgba(255,255,255,.7);
}
.hero-transition{
  height:50px;
  background:linear-gradient(to bottom,transparent,var(--bg-page));
  margin-top:-50px;
  position:relative;
  z-index:3;
}
@media screen and (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-content h1{font-size:36px;}
}
@media screen and (max-width:520px){
  .hero-section{padding:64px 0 80px;}
  .hero-content h1{font-size:28px;}
  .hero-content p.hero-sub{font-size:16px;}
  .hero-cta{flex-direction:column;}
  .hero-cta .btn{width:100%;}
}
/* 数据徽章带 */
.data-badge-row{
  margin-top:-40px;
  position:relative;
  z-index:4;
}
.data-badge-row .grid-x{
  max-width:1280px;
  margin:0 auto;
  padding:0 32px;
}
.data-badge-row .stat-card{
  background:var(--bg-card);
  border-radius:var(--radius-md);
  padding:22px 16px;
  text-align:center;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
}
.data-badge-row .stat-card .num{
  font-size:28px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.data-badge-row .stat-card .label{
  font-size:14px;
  color:var(--text-sub);
  margin-top:4px;
}
@media screen and (max-width:640px){
  .data-badge-row .grid-x{
    padding:0 20px;
  }
  .data-badge-row .cell:first-child,
  .data-badge-row .cell:nth-child(2){
    margin-bottom:12px;
  }
}
/* 区块通用 */
.section-header{
  text-align:center;
  max-width:680px;
  margin:0 auto 56px;
}
.section-header .sec-badge{
  display:inline-block;
  background:var(--primary-soft);
  color:var(--primary-dark);
  font-size:14px;
  font-weight:600;
  padding:4px 18px;
  border-radius:999px;
  margin-bottom:16px;
}
.section-header h2{
  font-size:30px;
  line-height:1.35;
  font-weight:700;
  color:var(--text-main);
  margin-bottom:16px;
}
.section-header p{
  font-size:16px;
  color:var(--text-sub);
  line-height:1.7;
}
/* 权益对比表 */
.compare-section{
  background:var(--bg-alt);
}
.compare-card-wrapper{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.compare-card{
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  overflow:hidden;
  position:relative;
  transition:var(--transition);
  box-shadow:var(--shadow-card);
}
.compare-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.compare-card .plan-header{
  padding:28px 24px 20px;
  text-align:center;
  border-bottom:1px solid var(--border);
  background:var(--bg-page);
}
.compare-card .plan-name{
  font-size:18px;
  font-weight:700;
  color:var(--text-main);
}
.compare-card .plan-price{
  margin-top:8px;
  font-size:14px;
  color:var(--text-sub);
}
.compare-card .plan-price strong{
  font-size:32px;
  color:var(--primary);
  font-weight:700;
  display:block;
}
.compare-card .plan-body{
  padding:24px;
}
.compare-card .plan-body ul li{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 0;
  font-size:14px;
  color:var(--text-main);
  border-bottom:1px dashed var(--border);
}
.compare-card .plan-body ul li:last-child{border-bottom:none;}
.compare-card .plan-body ul li i{
  color:var(--primary);
  font-size:13px;
  width:18px;
  flex-shrink:0;
}
.compare-card .plan-body ul li.off{
  color:var(--text-sub);
  opacity:.6;
}
.compare-card .plan-body ul li.off i{
  color:var(--text-sub);
}
.compare-card.highlight{
  border-color:var(--primary);
  box-shadow:0 12px 40px rgba(15,118,110,.15);
  background:linear-gradient(180deg,rgba(209,237,234,.3) 0%,var(--bg-card) 30%);
}
.compare-card .popular-flag{
  position:absolute;
  top:16px;
  right:-32px;
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:600;
  padding:6px 36px;
  transform:rotate(45deg);
  box-shadow:0 2px 8px rgba(168,132,76,.3);
}
.compare-card .card-cta{
  text-align:center;
  padding:8px 24px 28px;
}
@media screen and (max-width:1024px){
  .compare-card-wrapper{
    grid-template-columns:repeat(2,1fr);
    gap:20px;
  }
}
@media screen and (max-width:520px){
  .compare-card-wrapper{
    grid-template-columns:1fr;
  }
}
/* 等级亮点 */
.tier-section{
  background:var(--bg-page);
}
.tier-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.tier-card{
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  padding:32px;
  border:1px solid var(--border);
  position:relative;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
}
.tier-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.tier-card .tier-badge{
  position:absolute;
  top:24px;right:24px;
}
.tier-card .tier-level{
  font-size:14px;
  color:var(--accent-dark);
  font-weight:600;
  letter-spacing:2px;
  margin-bottom:12px;
}
.tier-card h3{
  font-size:20px;
  font-weight:600;
  color:var(--text-main);
  margin-bottom:12px;
}
.tier-card p{
  font-size:14px;
  color:var(--text-sub);
  line-height:1.7;
  margin-bottom:16px;
}
.tier-card .tier-tags{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.tier-card .tier-tags span{
  background:var(--bg-alt);
  border-radius:999px;
  font-size:12px;
  padding:4px 12px;
  color:var(--text-sub);
  transition:var(--transition);
}
.tier-card .tier-tags span:hover{
  background:var(--primary-soft);
  color:var(--primary-dark);
}
.tier-card .tier-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:20px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.tier-card .tier-link i{
  font-size:13px;
  transition:var(--transition);
}
.tier-card .tier-link:hover i{
  transform:translateX(4px);
}
@media screen and (max-width:1024px){
  .tier-grid{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:520px){
  .tier-grid{grid-template-columns:1fr;}
}
/* 专属内容预览 */
.content-section{
  background:var(--bg-alt);
}
.content-card{
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  transition:var(--transition);
  display:flex;
  flex-direction:column;
  height:100%;
}
.content-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.content-card .cover{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
}
.content-card .cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.content-card:hover .cover img{
  transform:scale(1.03);
}
.content-card .cover .cat-tag{
  position:absolute;
  top:16px;left:16px;
  background:rgba(255,255,255,.92);
  color:var(--primary-dark);
  font-size:13px;
  font-weight:600;
  border-radius:999px;
  padding:4px 14px;
  backdrop-filter:blur(4px);
}
.content-card .card-body{
  padding:28px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.content-card .card-body h3{
  font-size:18px;
  font-weight:600;
  color:var(--text-main);
  line-height:1.5;
  margin-bottom:10px;
}
.content-card .card-body p{
  font-size:14px;
  color:var(--text-sub);
  line-height:1.7;
  flex:1;
}
.content-card .card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--text-sub);
}
.content-card .card-meta a{
  color:var(--primary);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.content-card .card-meta a i{
  font-size:12px;
}
/* 三列 */
.content-grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
@media screen and (max-width:1024px){
  .content-grid-3{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:640px){
  .content-grid-3{grid-template-columns:1fr;}
}
/* 最新信息 CMS 区 */
.news-section{
  background:var(--bg-page);
}
.news-list{
  max-width:860px;
  margin:0 auto;
}
.news-item{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:28px;
  margin-bottom:16px;
  transition:var(--transition);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.news-item:hover{
  box-shadow:var(--shadow-card);
  border-color:var(--primary);
  transform:translateX(4px);
}
.news-item .news-meta{
  display:flex;
  align-items:center;
  gap:16px;
  font-size:13px;
  color:var(--text-sub);
}
.news-item .news-meta .cat{
  background:var(--primary-soft);
  display:inline-block;
  color:var(--primary-dark);
  font-weight:500;
  border-radius:6px;
  padding:2px 10px;
  font-size:12px;
}
.news-item .news-meta time{
  font-variant-numeric:tabular-nums;
}
.news-item h3{
  font-size:18px;
  font-weight:600;
  color:var(--text-main);
  line-height:1.5;
}
.news-item h3 a{
  transition:var(--transition);
}
.news-item h3 a:hover{
  color:var(--primary);
}
.news-item p{
  font-size:14px;
  color:var(--text-sub);
  line-height:1.7;
}
.news-item .read-more{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.news-item .read-more i{
  font-size:12px;
  transition:var(--transition);
}
.news-item .read-more:hover i{
  transform:translateX(4px);
}
.news-empty{
  text-align:center;
  padding:40px 24px;
  font-size:15px;
  color:var(--text-sub);
  background:var(--bg-alt);
  border-radius:var(--radius-lg);
}
/* FAQ */
.faq-section{
  background:var(--bg-alt);
}
.faq-container{
  max-width:860px;
  margin:0 auto;
}
.faq-item{
  background:var(--bg-card);
  border-radius:var(--radius-md);
  border:1px solid var(--border);
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{
  border-color:var(--primary);
}
.faq-item .faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:22px 28px;
  font-size:17px;
  font-weight:600;
  color:var(--text-main);
  cursor:pointer;
  transition:var(--transition);
}
.faq-item .faq-q .icon{
  width:24px;
  height:24px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary-dark);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  flex-shrink:0;
  transition:transform .3s ease;
}
.faq-item.is-active .faq-q .icon{
  transform:rotate(45deg);
}
.faq-item .faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
  padding:0 28px;
  color:var(--text-sub);
  font-size:15px;
  line-height:1.75;
}
.faq-item.is-active .faq-a{
  max-height:300px;
  padding-bottom:24px;
}
/* CTA 区 */
.cta-section{
  background:var(--bg-page);
  padding:120px 0;
}
.cta-card{
  background:linear-gradient(135deg,#0B5D57,#0F766E);
  border-radius:var(--radius-lg);
  padding:72px 48px;
  position:relative;
  overflow:hidden;
  text-align:center;
  color:#fff;
}
.cta-card::before{
  content:'';
  position:absolute;
  top:-60px;right:-60px;
  width:200px;height:200px;
  background:rgba(255,255,255,.06);
  border-radius:50%;
}
.cta-card::after{
  content:'';
  position:absolute;
  bottom:-80px;left:-40px;
  width:240px;height:240px;
  background:rgba(201,160,99,.15);
  border-radius:50%;
}
.cta-card .cta-badge{
  position:relative;
  z-index:1;
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,.15);
  border-radius:999px;
  padding:8px 20px;
  font-size:14px;
  margin-bottom:28px;
}
.cta-card h2{
  position:relative;
  z-index:1;
  font-size:32px;
  font-weight:700;
  line-height:1.35;
  margin-bottom:16px;
}
.cta-card p{
  position:relative;
  z-index:1;
  font-size:16px;
  color:rgba(255,255,255,.85);
  max-width:560px;
  margin:0 auto 36px;
  line-height:1.7;
}
.cta-card .cta-btn-wrap{
  position:relative;
  z-index:1;
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}
@media screen and (max-width:768px){
  .cta-card{padding:48px 24px;}
  .cta-card h2{font-size:24px;}
}
/* 页脚 */
.footer{
  background:#122A26;
  color:rgba(255,255,255,.8);
  padding:80px 0 0;
}
.footer .footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:56px;
}
.footer .footer-brand .logo-text{
  font-size:20px;
  font-weight:700;
  color:#fff;
  display:block;
  margin-bottom:16px;
}
.footer .footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.65);
}
.footer h4{
  font-size:16px;
  font-weight:600;
  color:#fff;
  margin-bottom:20px;
}
.footer ul li{
  margin-bottom:12px;
}
.footer ul li a{
  font-size:14px;
  color:rgba(255,255,255,.7);
  transition:var(--transition);
}
.footer ul li a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer .contact-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:rgba(255,255,255,.7);
  line-height:1.6;
}
.footer .contact-list li i{
  margin-top:4px;
  color:var(--accent);
}
.footer .copyright{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer .copyright .domain-text{
  color:rgba(255,255,255,.7);
}
@media screen and (max-width:1024px){
  .footer .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:40px;
  }
}
@media screen and (max-width:640px){
  .footer .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
}
/* 辅助 */
.section-alt-bg{background:var(--bg-alt);}
.text-center{text-align:center;}
.mt-16{margin-top:16px;}
.mt-24{margin-top:24px;}
.gap-24{gap:24px;}
/* 图文内页区 */
.page-hero{
  background:linear-gradient(135deg,#0B5D57 0%,#0F766E 70%);
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.page-hero .backdrop{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.12;
}
.page-hero .container{
  position:relative;
  z-index:2;
}
.page-hero h1{
  color:#fff;
  font-size:36px;
  font-weight:700;
  line-height:1.3;
  margin-bottom:12px;
}
.page-hero p{
  color:rgba(255,255,255,.85);
  font-size:16px;
  max-width:640px;
}
/* 面包屑 */
.breadcrumb{
  padding:24px 0;
  font-size:14px;
  color:var(--text-sub);
}
.breadcrumb a{
  color:var(--primary);
}
.breadcrumb .sep{
  margin:0 10px;
  color:var(--border);
}
/* 静态分类内容卡 */
.static-content-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:48px;
}
.static-content-card{
  background:#fff;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border);
  transition:var(--transition);
  box-shadow:var(--shadow-card);
  display:flex;
  flex-direction:column;
}
.static-content-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.static-content-card .card-img{
  aspect-ratio:16/9;
  overflow:hidden;
}
.static-content-card .card-img img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.static-content-card:hover .card-img img{
  transform:scale(1.04);
}
.static-content-card .card-body{
  padding:28px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.static-content-card .card-body .badge{
  align-self:flex-start;
  margin-bottom:14px;
}
.static-content-card .card-body h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
  color:var(--text-main);
}
.static-content-card .card-body p{
  font-size:14px;
  color:var(--text-sub);
  line-height:1.7;
  flex:1;
}
@media screen and (max-width:1024px){
  .static-content-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:640px){
  .static-content-grid{grid-template-columns:1fr;}
}
/* 关联链接 */
.related-links{
  display:flex;
  gap:24px;
  flex-wrap:wrap;
  margin-top:40px;
}
.related-link-card{
  flex:1;
  min-width:260px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px;
  transition:var(--transition);
  text-align:left;
  box-shadow:var(--shadow-card);
}
.related-link-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
  border-color:var(--primary);
}
.related-link-card h4{
  font-size:18px;
  font-weight:600;
  color:var(--text-main);
  margin-bottom:10px;
}
.related-link-card p{
  font-size:14px;
  color:var(--text-sub);
  line-height:1.7;
  margin-bottom:16px;
}
.related-link-card .link-btn{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.related-link-card .link-btn i{
  transition:var(--transition);
}
.related-link-card:hover .link-btn i{
  transform:translateX(4px);
}
/* 文案描写 */
.feature-band{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:48px;
}
.feature-band-item{
  padding:32px 24px;
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  text-align:center;
  transition:var(--transition);
}
.feature-band-item:hover{
  box-shadow:var(--shadow-card);
}
.feature-band-item i{
  font-size:28px;
  color:var(--primary);
  margin-bottom:16px;
}
.feature-band-item h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
}
.feature-band-item p{
  font-size:14px;
  color:var(--text-sub);
  line-height:1.7;
}
@media screen and (max-width:768px){
  .feature-band{grid-template-columns:1fr;}
}

/* roulang page: article */
:root {
    --primary: #0F766E;
    --primary-dark: #0B5D57;
    --primary-light: #D1EDEA;
    --accent: #C9A063;
    --accent-dark: #A8844C;
    --bg: #FAF8F5;
    --bg-alt: #EFEDE8;
    --card: #FFFFFF;
    --text: #1F2B29;
    --text-muted: #5A6866;
    --border: #E2DED7;
    --footer-bg: #122A26;
    --radius-lg: 20px;
    --radius-sm: 12px;
    --shadow: 0 8px 30px rgba(15,118,110,.08);
    --shadow-hover: 0 12px 40px rgba(15,118,110,.14);
    --spacing-section: 96px;
    --spacing-section-mobile: 64px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color .25s ease;
}

a:hover { color: var(--primary-dark); }

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

ul, ol { list-style: none; }

button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===== Sidebar ===== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 240px;
    height: 100vh;
    background: var(--bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 28px 20px 24px;
    z-index: 1000;
    transition: transform .3s ease;
}

.sidebar-brand {
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: .5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-text .logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
}

.sidebar-nav { flex: 1; margin-top: 24px; }

.sidebar-nav ul { display: flex; flex-direction: column; gap: 4px; }

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 15px;
    font-weight: 500;
    transition: background .2s, color .2s, box-shadow .2s;
    position: relative;
}

.sidebar-nav li a i {
    width: 20px;
    text-align: center;
    font-size: 15px;
}

.sidebar-nav li a:hover {
    background: var(--bg-alt);
    color: var(--primary-dark);
}

.sidebar-nav li a.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
    box-shadow: inset 4px 0 0 var(--primary);
}

.sidebar-bottom {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.sidebar-copyright {
    font-size: 12px;
    color: #8B9896;
    text-align: center;
    line-height: 1.5;
}

/* ===== Buttons ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--primary);
    color: #fff !important;
    border-radius: 999px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    transition: all .25s ease;
    cursor: pointer;
    line-height: 1.2;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15,118,110,.22);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: inset 0 2px 8px rgba(0,0,0,.18);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: var(--primary) !important;
    border: 1px solid var(--primary);
    border-radius: 999px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 500;
    transition: all .25s ease;
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--primary-light);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: inset 0 2px 6px rgba(0,0,0,.08);
}

.btn-cta-sidebar {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-radius: 999px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all .25s ease;
    border: 1px solid rgba(255,255,255,.1);
}

.btn-cta-sidebar:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15,118,110,.25);
    color: #fff;
}

.btn-cta-sidebar i { font-size: 13px; }

/* ===== Mobile Header ===== */
.mobile-header {
    display: none;
    position: sticky;
    top: 0;
    z-index: 999;
    height: 64px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.mobile-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.mobile-logo .logo-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 12px;
}

.hamburger {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    color: var(--text);
    background: var(--bg-alt);
    transition: background .2s;
}

.hamburger:hover { background: var(--primary-light); }

/* Mobile Drawer */
.mobile-drawer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg);
    z-index: 1100;
    padding: 24px 20px;
    transform: translateX(-100%);
    transition: transform .35s ease;
    overflow-y: auto;
}

.mobile-drawer.open {
    transform: translateX(0);
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.drawer-close {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    color: var(--text);
    transition: background .2s, transform .2s;
}

.drawer-close:hover { background: var(--primary-light); transform: rotate(90deg); }

.drawer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.drawer-nav a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    border-radius: 12px;
    transition: background .2s, color .2s;
}

.drawer-nav a:hover { background: var(--bg-alt); color: var(--primary); }
.drawer-nav a.active { color: var(--primary); background: var(--primary-light); }
.drawer-nav a i { width: 24px; text-align: center; font-size: 18px; }

.drawer-cta {
    width: 100%;
    margin-top: 32px;
}

/* ===== Main Content ===== */
.main-content {
    margin-left: 240px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    width: 100%;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    padding: 28px 0 8px;
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0;
}

.breadcrumb a {
    color: var(--primary);
    font-weight: 500;
    transition: color .2s;
}

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

.breadcrumb .sep {
    margin: 0 10px;
    color: var(--accent);
    font-size: 12px;
}

.breadcrumb .current {
    color: #8B9896;
    max-width: 480px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== Article Header ===== */
.article-hero {
    position: relative;
    background: linear-gradient(135deg, rgba(15,118,110,.94) 0%, rgba(11,93,87,.88) 100%), url('/assets/images/backpic/back-1.webp') center/cover;
    border-radius: var(--radius-lg);
    padding: 48px 48px 40px;
    margin: 24px 0 40px;
    color: #fff;
    overflow: hidden;
}

.article-hero::after {
    content: '';
    position: absolute;
    right: -60px;
    top: -60px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,.08);
}

.article-hero::before {
    content: '';
    position: absolute;
    right: 30px;
    bottom: 30px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,.06) 0%, transparent 70%);
}

.article-hero h1 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 22px;
    max-width: 80%;
    position: relative;
    z-index: 1;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    position: relative;
    z-index: 1;
}

.meta-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.14);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 999px;
    padding: 7px 16px;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255,255,255,.95);
    backdrop-filter: blur(4px);
}

.meta-badge i { font-size: 12px; color: rgba(255,255,255,.7); }

/* ===== Article Body ===== */
.article-wrap {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 32px 48px;
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: #2D3A38;
}

.article-body h2 {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text);
    margin: 48px 0 16px;
    padding-top: 8px;
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 12px;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text);
    margin: 36px 0 12px;
}

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

.article-body blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-light);
    padding: 20px 24px;
    margin: 32px 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text);
    font-weight: 400;
    line-height: 1.7;
}

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

.article-body ul,
.article-body ol {
    margin: 0 0 24px 24px;
}

.article-body ul li {
    list-style: disc;
    margin-bottom: 10px;
    padding-left: 4px;
}

.article-body ol li {
    list-style: decimal;
    margin-bottom: 10px;
    padding-left: 4px;
}

.article-body img {
    border-radius: var(--radius-sm);
    max-width: 100%;
    height: auto;
    margin: 28px 0;
    box-shadow: var(--shadow);
}

.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
    font-weight: 500;
}

.article-body a:hover {
    color: var(--primary-dark);
    text-decoration-thickness: 2px;
}

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

/* ===== Article Tags ===== */
.article-tags {
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.article-tags .tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-alt);
    border-radius: 999px;
    padding: 6px 16px;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    transition: background .2s, color .2s;
}

.article-tags .tag:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.article-tags .tag i { font-size: 11px; }

/* ===== Article Footer Nav ===== */
.article-footer-nav {
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

/* ===== Not Found ===== */
.not-found-wrap {
    max-width: 680px;
    margin: 60px auto 80px;
    text-align: center;
    padding: 0 24px;
}

.not-found-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 64px 48px;
}

.not-found-card .icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.not-found-card h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.not-found-card p {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 15px;
}

/* ===== Related ===== */
.related-section {
    padding: 64px 0 16px;
}

.related-section .section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.related-section .section-title span {
    width: 6px;
    height: 24px;
    background: var(--primary);
    border-radius: 999px;
    display: inline-block;
}

.related-section .section-sub {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 28px;
}

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

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

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(15,118,110,.3);
}

.related-card .card-img {
    position: relative;
    overflow: hidden;
    height: 180px;
}

.related-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
    border-radius: 0;
}

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

.related-card .card-body {
    padding: 24px 24px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.related-card .card-tag {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: 999px;
    padding: 4px 14px;
    display: inline-block;
    align-self: flex-start;
    margin-bottom: 14px;
}

.related-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.45;
    margin-bottom: 10px;
}

.related-card p {
    font-size: 14px;
    line-height: 1.65;
    color: var(--text-muted);
    flex: 1;
    margin-bottom: 16px;
}

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

.related-card .card-link:hover { gap: 10px; color: var(--primary-dark); }
.related-card .card-link i { font-size: 12px; }

/* ===== CTA ===== */
.cta-banner {
    margin: 72px 0 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: 48px;
    position: relative;
    overflow: hidden;
    color: #fff;
}

.cta-banner::before {
    content: '';
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 70%);
}

.cta-banner h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.cta-banner p {
    font-size: 15px;
    opacity: .9;
    max-width: 70%;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary {
    background: #fff;
    color: var(--primary) !important;
    position: relative;
    z-index: 1;
    border: 2px solid transparent;
}

.cta-banner .btn-primary:hover {
    background: var(--primary-light);
    color: var(--primary-dark) !important;
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
}

/* ===== Footer ===== */
.footer {
    background: var(--footer-bg);
    color: rgba(255,255,255,.85);
    padding: 64px 0 32px;
    margin-top: auto;
    margin-left: 0;
}

.footer .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

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

.footer h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: .5px;
}

.footer .logo-text {
    color: #fff;
    font-size: 19px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer .logo-text .logo-icon {
    width: 28px;
    height: 28px;
    background: rgba(255,255,255,.15);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.footer p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,.65);
    max-width: 300px;
}

.footer ul li {
    margin-bottom: 12px;
}

.footer ul li a {
    color: rgba(255,255,255,.7);
    font-size: 14px;
    transition: color .2s, padding-left .2s;
}

.footer ul li a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer .contact-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,.7);
    font-size: 14px;
}

.footer .contact-list i {
    width: 16px;
    color: var(--accent);
    text-align: center;
}

.copyright {
    border-top: 1px solid rgba(255,255,255,.1);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,.5);
    line-height: 1.6;
}

.copyright .domain-text {
    color: rgba(255,255,255,.7);
    font-weight: 500;
}

/* ===== Foundation Overrides ===== */
.row { max-width: none; }

.column, .columns { padding-left: 0; padding-right: 0; }

.accordion, .accordion-item { border: none; background: transparent; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-hero h1 {
        font-size: 32px;
        max-width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .cta-banner p {
        max-width: 90%;
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
        transform: translateX(-100%);
    }
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    .mobile-header {
        display: flex;
    }
    .mobile-drawer {
        display: block;
    }
    .main-content {
        margin-left: 0;
    }
    .container {
        padding: 0 20px;
    }
    .article-hero {
        padding: 36px 24px 32px;
        margin: 16px 0 28px;
        border-radius: 16px;
    }
    .article-hero h1 {
        font-size: 26px;
        line-height: 1.35;
    }
    .article-meta {
        gap: 8px;
        flex-direction: column;
        align-items: flex-start;
    }
    .meta-badge {
        font-size: 12px;
        padding: 6px 14px;
    }
    .article-wrap {
        padding: 0 20px 32px;
    }
    .article-body {
        font-size: 15px;
    }
    .article-body h2 {
        font-size: 22px;
    }
    .article-body h3 {
        font-size: 18px;
    }
    .breadcrumb .current {
        max-width: 180px;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .cta-banner {
        padding: 36px 24px;
        margin: 56px 0 16px;
    }
    .cta-banner h3 {
        font-size: 22px;
    }
    .cta-banner p {
        font-size: 14px;
        max-width: 100%;
    }
    .footer {
        padding: 48px 0 24px;
        margin-left: 0;
    }
    .footer .container {
        padding: 0 20px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .footer-brand p {
        max-width: 100%;
    }
    .not-found-card {
        padding: 40px 24px;
    }
    .article-footer-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    .article-footer-nav .btn-primary,
    .article-footer-nav .btn-secondary {
        width: 100%;
    }
}

@media (max-width: 520px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
    .article-hero h1 {
        font-size: 23px;
    }
    .breadcrumb {
        font-size: 12px;
        padding-top: 20px;
    }
    .breadcrumb .sep {
        margin: 0 6px;
    }
    .cta-banner h3 {
        font-size: 20px;
    }
}

@media (min-width: 769px) and (max-width: 1023px) {
    .sidebar {
        width: 210px;
        padding: 24px 16px;
    }
    .main-content {
        margin-left: 210px;
    }
    .container {
        padding: 0 24px;
    }
}

@media (max-width: 768px) {
    .mobile-header {
        display: flex;
    }
}

@media (min-width: 769px) {
    .mobile-header,
    .mobile-drawer {
        display: none !important;
    }
}

/* roulang page: category1 */
:root {
            --primary: #0F766E;
            --primary-dark: #0B5D57;
            --primary-light: #D1EDEA;
            --accent: #C9A063;
            --accent-dark: #A8844C;
            --page-bg: #FAF8F5;
            --alt-bg: #EFEDE8;
            --card-bg: #FFFFFF;
            --text: #1F2B29;
            --text-light: #5A6866;
            --border: #E2DED7;
            --radius-lg: 20px;
            --radius-sm: 12px;
            --shadow-sm: 0 8px 30px rgba(15, 118, 110, .08);
            --shadow-md: 0 12px 40px rgba(15, 118, 110, .14);
            --space: 96px;
            --sidebar-w: 240px;
            --content-max: 1280px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--page-bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: color .25s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.35;
            font-weight: 700;
            color: var(--text);
        }
        p {
            margin-bottom: 1rem;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(15, 118, 110, .35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--content-max);
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }
        .section {
            padding: var(--space) 0;
            position: relative;
        }
        .section-alt {
            background: var(--alt-bg);
        }
        .section-head {
            max-width: 720px;
            margin-bottom: 48px;
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: .04em;
        }
        .section-head h2 {
            font-size: 30px;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-light);
            font-size: 16px;
        }
        .row {
            max-width: 100%;
            margin: 0 auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all .28s ease;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(15, 118, 110, .25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(15, 118, 110, .32);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 8px rgba(0, 0, 0, .15);
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-w);
            height: 100vh;
            background: var(--card-bg);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            z-index: 100;
            padding: 30px 20px 24px;
        }
        .sidebar-logo {
            padding: 0 8px 24px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 24px;
        }
        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
        }
        .sidebar-logo a:hover {
            color: var(--text);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            flex-shrink: 0;
        }
        .sidebar-nav {
            flex: 1;
        }
        .sidebar-nav ul {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 14px;
            border-radius: var(--radius-sm);
            color: var(--text);
            font-weight: 500;
            border-left: 4px solid transparent;
            transition: all .25s ease;
        }
        .sidebar-nav a i {
            width: 18px;
            text-align: center;
            font-size: 15px;
        }
        .sidebar-nav a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .sidebar-nav a.active {
            background: var(--primary-light);
            color: var(--primary);
            border-left-color: var(--primary);
            font-weight: 600;
        }
        .sidebar-footer {
            padding: 16px 8px 0;
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .main-content {
            margin-left: var(--sidebar-w);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .topbar {
            display: none;
        }
        .drawer-overlay {
            display: none;
        }

        .category-hero {
            position: relative;
            background: linear-gradient(135deg, var(--primary) 0%, #0a5e58 58%, #083f3a 100%);
            color: #fff;
            padding: 90px 0 80px;
            overflow: hidden;
        }
        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .16;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(201, 160, 99, .16);
        }
        .category-hero .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 22px;
        }
        .hero-tag i {
            font-size: 12px;
        }
        .category-hero h1 {
            font-size: 42px;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: .01em;
        }
        .category-hero .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, .88);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 640px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-hero-primary {
            background: #fff;
            color: var(--primary);
            border-radius: 999px;
            padding: 14px 32px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .28s ease;
            box-shadow: 0 6px 24px rgba(0, 0, 0, .12);
            border: none;
            cursor: pointer;
        }
        .btn-hero-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, .18);
            color: var(--primary-dark);
        }
        .btn-hero-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .45);
            border-radius: 999px;
            padding: 14px 32px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .28s ease;
            cursor: pointer;
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            transform: translateY(-2px);
            color: #fff;
        }

        .stats-section {
            padding: 56px 0 40px;
            background: var(--page-bg);
        }
        .stats-section .row {
            margin: 0 -12px;
        }
        .stats-section .columns {
            padding: 0 12px;
            margin-bottom: 24px;
        }
        .stat-badge {
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            padding: 22px 16px;
            text-align: center;
            border: 1px solid rgba(15, 118, 110, .14);
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .stat-badge:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .stat-num {
            display: block;
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            font-family: "SF Mono", Consolas, "Liberation Mono", monospace;
            line-height: 1.2;
            letter-spacing: -.02em;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-light);
            margin-top: 6px;
            display: block;
        }

        .features-section .columns {
            padding: 12px;
            display: flex;
        }
        .features-section .row {
            margin: -12px;
        }
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
            width: 100%;
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(15, 118, 110, .35);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
            flex-shrink: 0;
        }
        .feature-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-light);
            font-size: 15px;
            margin-bottom: 0;
            line-height: 1.7;
        }

        .content-section {
            background: var(--page-bg);
        }
        .content-section .columns {
            padding: 12px;
            display: flex;
        }
        .content-section .row {
            margin: -12px;
        }
        .content-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all .3s ease;
            box-shadow: var(--shadow-sm);
            width: 100%;
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(15, 118, 110, .3);
        }
        .content-card .thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .content-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }
        .content-card:hover .thumb img {
            transform: scale(1.03);
        }
        .content-card .thumb .tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(15, 118, 110, .92);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            z-index: 1;
        }
        .content-card .info {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .content-card .info h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .content-card .info p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }
        .content-card .meta {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .content-card .meta i {
            font-size: 14px;
        }

        .scenario-band {
            background: var(--alt-bg);
        }
        .scenario-band .columns {
            padding: 12px;
            display: flex;
        }
        .scenario-band .row {
            margin: -12px;
        }
        .scenario-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
            width: 100%;
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scenario-card::before {
            content: '';
            position: absolute;
            right: -30px;
            top: -30px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: var(--primary-light);
            opacity: .5;
        }
        .sc-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            font-family: "SF Mono", Consolas, "Liberation Mono", monospace;
            margin-bottom: 16px;
            display: block;
            position: relative;
            z-index: 1;
        }
        .scenario-card h3 {
            font-size: 19px;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .scenario-card p {
            color: var(--text-light);
            font-size: 15px;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }

        .steps-section {
            background: var(--page-bg);
        }
        .steps-section .columns {
            padding: 12px;
            display: flex;
        }
        .steps-section .row {
            margin: -12px;
        }
        .step-item {
            padding: 8px 12px;
            position: relative;
            width: 100%;
        }
        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 28px;
            right: -22px;
            width: 20px;
            height: 1px;
            background: var(--border);
        }
        .step-dot {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 17px;
            margin-bottom: 18px;
            box-shadow: 0 4px 14px rgba(15, 118, 110, .28);
        }
        .step-item h3 {
            font-size: 17px;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .faq-section .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion {
            background: transparent;
            border: none;
            margin: 0;
            display: block;
        }
        .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow .25s ease, border-color .25s ease;
            list-style: none;
        }
        .accordion-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(15, 118, 110, .25);
        }
        .accordion-title {
            background: transparent !important;
            border: none !important;
            padding: 20px 24px !important;
            font-size: 17px;
            font-weight: 600;
            color: var(--text) !important;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin: 0 !important;
            border-radius: var(--radius-sm);
            line-height: 1.4;
        }
        .accordion-title::before {
            content: none !important;
        }
        .accordion-title::after {
            content: '+';
            font-size: 24px;
            font-weight: 300;
            color: var(--primary);
            transition: transform .3s ease;
            margin-left: 16px;
            line-height: 1;
            flex-shrink: 0;
        }
        .accordion-item.is-active .accordion-title::after {
            transform: rotate(45deg);
        }
        .accordion-content {
            border: none !important;
            background: transparent !important;
            padding: 0 24px 22px !important;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
        }
        .accordion-content p {
            margin-bottom: 0;
        }

        .related-section {
            background: var(--page-bg);
        }
        .related-section .columns {
            padding: 12px;
            display: flex;
        }
        .related-section .row {
            margin: -12px;
        }
        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: all .3s ease;
            box-shadow: var(--shadow-sm);
            flex: 1;
            color: var(--text);
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(15, 118, 110, .35);
            color: var(--text);
        }
        .related-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .related-card h3 {
            font-size: 18px;
            margin-bottom: 4px;
        }
        .related-card p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 0;
        }
        .related-arrow {
            margin-left: auto;
            color: var(--primary);
            font-size: 18px;
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .related-card:hover .related-arrow {
            transform: translateX(4px);
        }

        .cta-section {
            padding: 24px 0 var(--space);
            background: var(--page-bg);
        }
        .cta-card {
            background: linear-gradient(135deg, var(--primary) 0%, #0a5e58 55%, #07332f 100%);
            border-radius: var(--radius-lg);
            padding: 64px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -34px;
            right: 28px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(201, 160, 99, .28);
        }
        .cta-card::after {
            content: '';
            position: absolute;
            right: 80px;
            bottom: -46px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
        }
        .cta-card h2 {
            color: #fff;
            font-size: 30px;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-card p {
            color: rgba(255, 255, 255, .85);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            font-size: 16px;
        }
        .cta-card .btn {
            position: relative;
            z-index: 2;
        }

        .footer {
            background: #122A26;
            color: rgba(255, 255, 255, .72);
            padding: 64px 0 28px;
            margin-left: var(--sidebar-w);
        }
        .footer .container {
            max-width: var(--content-max);
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .65);
            max-width: 280px;
            margin-bottom: 0;
        }
        .footer h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 18px;
            font-weight: 600;
        }
        .footer ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer ul li {
            font-size: 14px;
        }
        .footer a {
            color: rgba(255, 255, 255, .68);
            transition: color .25s ease;
            font-size: 14px;
        }
        .footer a:hover {
            color: #fff;
        }
        .footer .contact-list li {
            color: rgba(255, 255, 255, .68);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }
        .footer .contact-list i {
            color: var(--accent);
            width: 16px;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 22px;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .copyright .domain-text {
            color: rgba(255, 255, 255, .65);
        }

        @media (max-width: 1024px) {
            :root {
                --space: 72px;
            }
            .category-hero h1 {
                font-size: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space: 56px;
            }
            .sidebar {
                transform: translateX(-100%);
                transition: transform .3s ease;
                box-shadow: 0 0 40px rgba(0, 0, 0, .18);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .topbar {
                display: flex;
                position: sticky;
                top: 0;
                width: 100%;
                height: 64px;
                background: var(--card-bg);
                border-bottom: 1px solid var(--border);
                align-items: center;
                justify-content: space-between;
                padding: 0 20px;
                z-index: 300;
            }
            .topbar-brand {
                font-size: 18px;
                font-weight: 700;
                color: var(--text);
                display: flex;
                align-items: center;
                gap: 10px;
            }
            .topbar-brand .logo-icon {
                width: 34px;
                height: 34px;
                background: var(--primary);
                border-radius: 8px;
                display: flex;
                align-items: center;
                justify-content: center;
                color: #fff;
                font-size: 14px;
            }
            .hamburger {
                background: none;
                border: none;
                font-size: 22px;
                color: var(--text);
                cursor: pointer;
                padding: 8px;
            }
            .drawer-overlay {
                display: block;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: rgba(0, 0, 0, .4);
                z-index: 200;
                opacity: 0;
                visibility: hidden;
                transition: opacity .3s ease, visibility .3s ease;
            }
            .drawer-overlay.open {
                opacity: 1;
                visibility: visible;
            }
            .main-content,
            .footer {
                margin-left: 0;
            }
            .container {
                padding: 0 20px;
            }
            .category-hero {
                padding: 64px 0 56px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-desc {
                font-size: 16px;
            }
            .hero-actions .btn-hero-primary,
            .hero-actions .btn-hero-outline {
                padding: 13px 24px;
                font-size: 14px;
            }
            .stat-num {
                font-size: 24px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .cta-card {
                padding: 48px 28px;
            }
            .cta-card h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .copyright {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero {
                padding: 52px 0 44px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-hero-primary,
            .hero-actions .btn-hero-outline {
                justify-content: center;
            }
            .stat-badge {
                padding: 18px 12px;
            }
            .stat-num {
                font-size: 22px;
            }
            .feature-card,
            .scenario-card {
                padding: 26px 22px;
            }
            .content-card .info {
                padding: 20px;
            }
            .accordion-title {
                font-size: 15px;
                padding: 18px 16px !important;
            }
            .accordion-content {
                padding: 0 16px 18px !important;
                font-size: 14px;
            }
            .cta-card {
                padding: 40px 20px;
            }
            .cta-card h2 {
                font-size: 22px;
            }
            .cta-card p {
                font-size: 14px;
            }
            .related-card {
                padding: 22px 20px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0F766E;
            --primary-dark: #0B5D57;
            --primary-light-bg: #D1EDEA;
            --accent: #C9A063;
            --accent-dark: #A8844C;
            --page-bg: #FAF8F5;
            --alt-bg: #EFEDE8;
            --card-bg: #FFFFFF;
            --text-main: #1F2B29;
            --text-secondary: #5A6866;
            --border: #E2DED7;
            --radius-lg: 20px;
            --radius-sm: 12px;
            --shadow: 0 8px 30px rgba(15, 118, 110, .08);
            --shadow-hover: 0 12px 40px rgba(15, 118, 110, .14);
            --space-section: 96px;
            --space-section-mobile: 64px;
            --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--page-bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }
        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius-sm);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
        }
        ul {
            list-style: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== 布局 ===== */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }
        .sidebar {
            width: 240px;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            background: var(--page-bg);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            padding: 32px 20px 24px;
            z-index: 100;
        }
        .sidebar .logo-area {
            padding: 0 8px 28px;
            border-bottom: 1px solid var(--border);
        }
        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .5px;
            line-height: 1.3;
        }
        .sidebar-nav {
            margin-top: 28px;
            flex: 1;
        }
        .sidebar-nav li {
            margin-bottom: 6px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-left: 4px solid transparent;
            transition: all .2s ease;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .sidebar-nav a:hover {
            background: var(--primary-light-bg);
            color: var(--primary);
        }
        .sidebar-nav a.active {
            background: var(--primary-light-bg);
            color: var(--primary);
            border-left-color: var(--primary);
            font-weight: 600;
        }
        .sidebar-copy {
            font-size: 12px;
            color: var(--text-secondary);
            text-align: center;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            line-height: 1.6;
        }

        .main-wrapper {
            flex: 1;
            margin-left: 240px;
            min-width: 0;
        }

        /* ===== 移动端导航 ===== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 200;
            height: 64px;
            background: var(--page-bg);
            border-bottom: 1px solid var(--border);
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }
        .mobile-header .logo-text {
            font-size: 19px;
        }
        .hamburger-btn {
            width: 42px;
            height: 42px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 8px;
            transition: background .2s ease;
        }
        .hamburger-btn:hover {
            background: var(--primary-light-bg);
        }
        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform .3s ease, opacity .3s ease;
        }
        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--page-bg);
            z-index: 150;
            padding: 32px 24px;
            transform: translateX(100%);
            transition: transform .3s ease;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-drawer a {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 20px;
            font-weight: 600;
            padding: 16px 12px;
            border-radius: 12px;
            color: var(--text-main);
            border-left: 4px solid transparent;
        }
        .mobile-drawer a:hover {
            background: var(--primary-light-bg);
            color: var(--primary);
        }
        .mobile-drawer a.active {
            background: var(--primary-light-bg);
            color: var(--primary);
            border-left-color: var(--primary);
        }

        /* ===== 通用区块 ===== */
        .section {
            padding: var(--space-section) 0;
        }
        .section-alt {
            background: var(--alt-bg);
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 40px;
        }
        .section-head {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 52px;
        }
        .section-head .section-title {
            margin-bottom: 12px;
        }
        .section-head .section-desc {
            margin: 0 auto;
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 100px 0;
            background: linear-gradient(135deg, #0F766E 0%, #0B5D57 55%, #114E47 100%);
            overflow: hidden;
        }
        .category-hero .hero-bg {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .16;
        }
        .category-hero .hero-bg::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background: radial-gradient(circle at 70% 30%, rgba(201, 160, 99, .18) 0%, transparent 60%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-inner {
            max-width: 820px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            padding: 7px 18px;
            border-radius: 999px;
            margin-bottom: 24px;
            letter-spacing: .5px;
        }
        .category-hero h1 {
            font-size: 44px;
            line-height: 1.3;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .category-hero .hero-sub {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .88);
            max-width: 620px;
            margin-bottom: 36px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 14px 34px;
            border-radius: 999px;
            border: 1px solid transparent;
            transition: all .25s ease;
            box-shadow: 0 4px 16px rgba(15, 118, 110, .24);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 118, 110, .32);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 8px rgba(0, 0, 0, .14);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-size: 16px;
            font-weight: 500;
            padding: 13px 32px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .7);
            transition: all .25s ease;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, .14);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-primary-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 14px 34px;
            border-radius: 999px;
            border: 1px solid transparent;
            transition: all .25s ease;
            box-shadow: 0 4px 16px rgba(15, 118, 110, .24);
        }
        .btn-primary-light:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 118, 110, .32);
            color: #fff;
        }

        /* ===== 等级总览 ===== */
        .tier-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .tier-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            transition: all .25s ease;
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .tier-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--primary-light-bg);
        }
        .tier-card.featured {
            border-color: rgba(201, 160, 99, .5);
            box-shadow: 0 10px 36px rgba(201, 160, 99, .16);
        }
        .tier-card.featured::before {
            content: '最受欢迎';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 18px;
            border-radius: 999px;
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .tier-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-light-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .tier-card.featured .tier-icon {
            background: rgba(201, 160, 99, .18);
            color: var(--accent-dark);
        }
        .tier-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .tier-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 20px;
        }
        .tier-list {
            margin-top: auto;
        }
        .tier-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-main);
            padding: 7px 0;
            border-bottom: 1px dashed var(--border);
        }
        .tier-list li:last-child {
            border-bottom: none;
        }
        .tier-list li i {
            color: var(--primary);
            font-size: 12px;
            flex-shrink: 0;
        }
        .tier-card.featured .tier-list li i {
            color: var(--accent-dark);
        }
        .tier-link {
            margin-top: 22px;
        }
        .tier-link a {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s ease;
        }
        .tier-link a:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ===== 开通流程 ===== */
        .process-section {
            background: var(--alt-bg);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 48px;
        }
        .process-step {
            text-align: center;
            padding: 36px 24px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            position: relative;
        }
        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            font-family: "SF Mono", "Roboto Mono", monospace;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 4px 14px rgba(15, 118, 110, .3);
        }
        .step-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .step-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .process-note {
            text-align: center;
            font-size: 15px;
            color: var(--text-secondary);
            background: var(--primary-light-bg);
            border-radius: 12px;
            padding: 18px 28px;
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ===== 数据徽章 ===== */
        .data-badges {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-badge-item {
            background: var(--primary-light-bg);
            border-radius: var(--radius-sm);
            padding: 28px 20px;
            text-align: center;
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .data-badge-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 118, 110, .12);
        }
        .data-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            font-family: "SF Mono", "Roboto Mono", monospace;
            line-height: 1.2;
        }
        .data-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ===== 专属内容预览 ===== */
        .exclusive-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .exclusive-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .28s ease;
            display: flex;
            flex-direction: column;
        }
        .exclusive-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .exclusive-card .ec-img {
            overflow: hidden;
            height: 200px;
            background: var(--alt-bg);
        }
        .exclusive-card .ec-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform .4s ease;
        }
        .exclusive-card:hover .ec-img img {
            transform: scale(1.03);
        }
        .exclusive-card .ec-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .ec-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light-bg);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 6px;
            margin-bottom: 14px;
            align-self: flex-start;
        }
        .ec-title {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .ec-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .ec-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-secondary);
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }
        .ec-link a {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap .2s ease;
        }
        .ec-link a:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* ===== FAQ ===== */
        .faq-box {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion {
            background: transparent;
            border: none;
            border-radius: 0;
        }
        .accordion .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow .2s ease;
        }
        .accordion .accordion-item:hover {
            box-shadow: 0 4px 18px rgba(15, 118, 110, .08);
        }
        .accordion .accordion-item.is-active {
            box-shadow: 0 6px 24px rgba(15, 118, 110, .1);
            border-color: var(--primary-light-bg);
        }
        .accordion .accordion-title {
            background: var(--card-bg);
            color: var(--text-main);
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            padding: 24px 28px;
            border-bottom: 1px solid transparent;
            position: relative;
            transition: background .2s ease;
        }
        .accordion .accordion-title:hover,
        .accordion .accordion-item.is-active .accordion-title {
            background: var(--alt-bg);
            color: var(--primary);
        }
        .accordion .accordion-title::after {
            content: '+';
            position: absolute;
            right: 28px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 26px;
            font-weight: 300;
            color: var(--primary);
            transition: transform .3s ease;
            line-height: 1;
        }
        .accordion .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(45deg);
            color: var(--primary);
        }
        .accordion .accordion-content {
            background: var(--alt-bg);
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
            padding: 24px 28px;
            border-top: none;
        }
        .accordion .accordion-content p {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-banner {
            position: relative;
            background: linear-gradient(135deg, #0F766E 0%, #0B5D57 60%, #114E47 100%);
            border-radius: var(--radius-lg);
            padding: 72px 48px;
            text-align: center;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '018';
            position: absolute;
            right: -30px;
            top: -40px;
            font-size: 160px;
            font-weight: 700;
            color: rgba(255, 255, 255, .06);
            font-family: "SF Mono", "Roboto Mono", monospace;
            line-height: 1;
        }
        .cta-banner .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-banner h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .cta-banner p {
            font-size: 17px;
            color: rgba(255, 255, 255, .86);
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #fff;
            font-size: 17px;
            font-weight: 600;
            padding: 16px 44px;
            border-radius: 999px;
            transition: all .25s ease;
            box-shadow: 0 6px 20px rgba(201, 160, 99, .36);
        }
        .cta-btn:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 10px 28px rgba(201, 160, 99, .44);
        }
        .cta-btn:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 8px rgba(0, 0, 0, .12);
        }

        /* ===== 关联推荐 ===== */
        .related-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow);
            transition: all .25s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--primary-light-bg);
        }
        .related-card .rc-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--primary-light-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 18px;
        }
        .related-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .related-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 18px;
        }
        .related-card .rc-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s ease;
        }
        .related-card .rc-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #122A26;
            color: rgba(255, 255, 255, .82);
            padding: 64px 0 28px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 44px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 22px;
            display: block;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .65);
            max-width: 320px;
        }
        .footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            transition: color .2s ease;
        }
        .footer ul li a:hover {
            color: var(--accent);
        }
        .contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
        }
        .contact-list i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
            text-align: center;
        }
        .domain-text {
            color: rgba(255, 255, 255, .7);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .tier-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .exclusive-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-cards {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .data-badges {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .sidebar {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .section {
                padding: var(--space-section-mobile) 0;
            }
            .container {
                padding: 0 20px;
            }
            .category-hero {
                padding: 64px 0;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .category-hero .hero-sub {
                font-size: 16px;
            }
            .hero-btns {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-btns .btn-primary,
            .hero-btns .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 26px;
            }
            .cta-banner {
                padding: 48px 24px;
            }
            .cta-banner h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .tier-cards,
            .process-grid,
            .exclusive-cards,
            .related-cards {
                grid-template-columns: 1fr;
            }
            .data-badges {
                grid-template-columns: 1fr 1fr;
            }
            .container {
                padding: 0 16px;
            }
        }