/* roulang page: index */
:root{
  --primary:#0C3A34;
  --primary-dark:#082A25;
  --accent:#00C9A7;
  --accent-dark:#00B090;
  --orange:#FF8A3D;
  --orange-dark:#E97622;
  --bg:#FAF8F4;
  --bg-light:#F1EFE8;
  --text:#1F2A28;
  --text-secondary:#5E7671;
  --border:#DCE4E1;
  --white:#ffffff;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-sm:0 2px 8px rgba(12,58,52,.06),0 10px 30px rgba(12,58,52,.08);
  --shadow-hover:0 4px 16px rgba(12,58,52,.10),0 16px 40px rgba(12,58,52,.14);
  --transition:.2s ease;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  padding-bottom:64px;
  -webkit-font-smoothing:antialiased;
}
body.no-bar{padding-bottom:0}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
img{max-width:100%;display:block;border:0}
button{font-family:inherit;cursor:pointer;border:0;background:none}
ul,ol{list-style:none}
.container{max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-alt{background:var(--bg-light)}
.section-head{max-width:680px;margin-bottom:48px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent-dark);letter-spacing:.08em;background:rgba(0,201,167,.10);padding:6px 16px;border-radius:var(--radius-pill);margin-bottom:16px}
.section-head .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.section-head h2{font-size:32px;font-weight:700;line-height:1.35;color:var(--primary)}
.section-head p{color:var(--text-secondary);font-size:16px;margin-top:12px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;
  transition:all var(--transition);line-height:1;white-space:nowrap;
}
.btn-primary{background:var(--orange);color:var(--primary-dark);box-shadow:0 4px 16px rgba(255,138,61,.28)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,138,61,.32)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(12,58,52,.06)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent-dark);font-weight:600;font-size:15px;transition:gap var(--transition)}
.text-link:hover{gap:10px}
.text-link .arrow{transition:transform var(--transition)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(250,248,244,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{width:36px;height:36px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-text{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:.02em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;font-size:14px;font-weight:500;
  color:var(--text-secondary);border-radius:8px;transition:color var(--transition);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform var(--transition);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-mega{position:relative}
.nav-mega-btn{
  display:inline-flex;align-items:center;gap:6px;padding:10px 14px;font-size:14px;font-weight:500;
  color:var(--text-secondary);border-radius:8px;cursor:pointer;transition:color var(--transition);white-space:nowrap;
}
.nav-mega-btn:hover{color:var(--primary)}
.nav-mega-btn svg{transition:transform var(--transition)}
.nav-mega:hover .nav-mega-btn svg,.nav-mega:focus-within .nav-mega-btn svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:540px;background:var(--white);
  border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-hover);
  display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity var(--transition),transform var(--transition),visibility var(--transition);
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-panel::before{content:"";position:absolute;top:-12px;right:30px;width:0;height:0;border:12px solid transparent;border-top-color:var(--white);transform:rotate(180deg)}
.mega-title{font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:12px;letter-spacing:.06em}
.mega-col a{
  display:block;padding:10px 14px;border-radius:10px;font-size:15px;color:var(--text);
  transition:background var(--transition),color var(--transition);
}
.mega-col a:hover{background:rgba(0,201,167,.10);color:var(--primary)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:10px;z-index:1101}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--primary);border-radius:2px;transition:all var(--transition)}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{
  position:relative;background:linear-gradient(135deg,rgba(12,58,52,.92) 0%,rgba(8,42,37,.80) 60%,rgba(12,58,52,.88) 100%),
  url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;padding:120px 0 100px;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:50%;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,201,167,.18) 0%,transparent 70%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(0,201,167,.14);
  border:1px solid rgba(0,201,167,.35);border-radius:var(--radius-pill);padding:6px 18px;
  font-size:13px;font-weight:500;color:#b8f5e9;margin-bottom:24px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,201,167,.2)}
.hero h1{font-size:44px;font-weight:800;line-height:1.25;margin-bottom:20px;letter-spacing:.01em}
.hero h1 .hl{color:var(--accent)}
.hero-sub{font-size:18px;line-height:1.8;color:rgba(255,255,255,.82);margin-bottom:36px;max-width:620px}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.hero-info{display:flex;gap:24px;margin-top:56px;padding-top:32px;border-top:1px solid rgba(255,255,255,.14)}
.hero-info-item strong{display:block;font-size:24px;font-weight:800;color:var(--accent)}
.hero-info-item span{font-size:13px;color:rgba(255,255,255,.65)}

/* 卖点三连 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  position:relative;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:36px 28px 32px;box-shadow:var(--shadow-sm);transition:all var(--transition);overflow:hidden;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(0,201,167,.4)}
.feature-card .num{
  position:absolute;top:20px;right:24px;font-size:42px;font-weight:800;color:rgba(12,58,52,.08);line-height:1;
}
.feature-icon{width:56px;height:56px;border-radius:14px;background:rgba(0,201,167,.12);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.feature-card h3{font-size:19px;font-weight:700;color:var(--primary);margin-bottom:10px;line-height:1.4}
.feature-card p{font-size:14px;color:var(--text-secondary);line-height:1.75}
.feature-card.dark{
  background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 12px 36px rgba(12,58,52,.24);
}
.feature-card.dark .num{color:rgba(255,255,255,.10)}
.feature-card.dark .feature-icon{background:rgba(0,201,167,.18)}
.feature-card.dark h3{color:#fff}
.feature-card.dark p{color:rgba(255,255,255,.75)}

/* 场景演示 */
.showcase-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.showcase-visual{position:relative}
.browser-frame{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-hover);overflow:hidden;
}
.browser-bar{display:flex;align-items:center;gap:8px;padding:14px 20px;background:var(--bg-light);border-bottom:1px solid var(--border)}
.browser-bar i{width:12px;height:12px;border-radius:50%;display:block}
.browser-bar i:nth-child(1){background:#FF5F57}
.browser-bar i:nth-child(2){background:#FEBC2E}
.browser-bar i:nth-child(3){background:#28C840}
.browser-bar .bar-url{flex:1;margin-left:12px;background:var(--white);border:1px solid var(--border);border-radius:6px;padding:6px 14px;font-size:12px;color:var(--text-secondary)}
.showcase-visual img{width:100%;height:auto;display:block}
.showcase-float{
  position:absolute;bottom:24px;left:-20px;background:var(--primary);color:#fff;border-radius:16px;
  padding:16px 22px;box-shadow:0 12px 32px rgba(12,58,52,.3);display:flex;align-items:center;gap:14px;
}
.showcase-float .f-icon{width:40px;height:40px;border-radius:10px;background:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.showcase-float strong{display:block;font-size:15px;line-height:1.3}
.showcase-float span{font-size:12px;color:rgba(255,255,255,.7)}
.showcase-content h2{font-size:30px;font-weight:700;color:var(--primary);line-height:1.4;margin-bottom:16px}
.showcase-content>p{color:var(--text-secondary);font-size:15px;margin-bottom:28px}
.check-list{display:flex;flex-direction:column;gap:24px;margin-bottom:32px}
.check-item{display:flex;gap:16px}
.check-icon{
  width:28px;height:28px;border-radius:50%;background:rgba(0,201,167,.12);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.check-item h4{font-size:17px;font-weight:600;color:var(--primary);margin-bottom:4px}
.check-item p{font-size:14px;color:var(--text-secondary)}

/* 社会认同 */
.stats-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:56px;
  background:var(--primary);border-radius:var(--radius-lg);padding:44px 36px;position:relative;overflow:hidden;
}
.stats-row::after{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,201,167,.15),transparent 70%);
}
.stat-item{text-align:center;position:relative;z-index:1}
.stat-item strong{display:block;font-size:46px;font-weight:800;color:var(--accent);line-height:1.2;letter-spacing:.02em}
.stat-item span{font-size:14px;color:rgba(255,255,255,.72)}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;
  box-shadow:var(--shadow-sm);transition:all var(--transition);position:relative;
}
.testimonial-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.testimonial-card::before{
  content:"“";position:absolute;top:12px;right:20px;font-size:64px;line-height:1;color:rgba(0,201,167,.18);font-family:Georgia,serif;
}
.testimonial-card p{font-size:14px;color:var(--text-secondary);line-height:1.75;margin-bottom:20px}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-author .avatar{
  width:40px;height:40px;border-radius:50%;background:var(--bg-light);display:flex;align-items:center;
  justify-content:center;font-weight:700;color:var(--primary);font-size:14px;flex-shrink:0;border:1px solid var(--border);
}
.testimonial-author strong{font-size:14px;color:var(--primary)}
.testimonial-author span{display:block;font-size:12px;color:var(--text-secondary)}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);transition:border-color var(--transition),box-shadow var(--transition);overflow:hidden}
.faq-item:hover{border-color:rgba(0,201,167,.4)}
.faq-item[open]{box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 24px;font-size:16px;font-weight:600;color:var(--primary);cursor:pointer;transition:color var(--transition);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:32px;height:32px;border-radius:50%;background:var(--bg-light);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:400;color:var(--primary);
  transition:all var(--transition);
}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--accent);color:var(--primary)}
.faq-answer{padding:0 24px 22px;color:var(--text-secondary);font-size:14px;line-height:1.75;max-width:96%}

/* 资讯列表 */
.news-section{background:var(--bg-light)}
.news-grid{display:flex;flex-direction:column;gap:16px}
.news-item{
  display:grid;grid-template-columns:140px 1fr;gap:24px;align-items:center;
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px 28px;transition:all var(--transition);
}
.news-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:rgba(0,201,167,.4)}
.news-date-box{
  background:var(--bg-light);border-radius:var(--radius-md);padding:14px;text-align:center;
  display:flex;flex-direction:column;align-items:center;justify-content:center;transition:background var(--transition);
}
.news-item:hover .news-date-box{background:rgba(0,201,167,.12)}
.news-date-box strong{font-size:22px;font-weight:800;color:var(--primary);line-height:1.2}
.news-date-box span{font-size:12px;color:var(--text-secondary)}
.news-right{min-width:0}
.news-tags{display:flex;gap:8px;margin-bottom:8px;flex-wrap:wrap}
.news-cat{
  display:inline-block;background:rgba(0,201,167,.12);color:var(--primary);font-size:12px;font-weight:600;
  padding:3px 12px;border-radius:var(--radius-pill);
}
.news-title{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:6px;line-height:1.45;transition:color var(--transition)}
.news-item:hover .news-title{color:var(--accent-dark)}
.news-summary{font-size:14px;color:var(--text-secondary);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.news-more{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:var(--accent-dark)}
.news-more .arrow{transition:transform var(--transition)}
.news-item:hover .news-more .arrow{transform:translateX(4px)}
.news-empty{
  background:var(--white);border:1px dashed var(--border);border-radius:var(--radius-lg);
  padding:48px 24px;text-align:center;color:var(--text-secondary);font-size:15px;
}

/* CTA */
.cta-section{
  position:relative;background:linear-gradient(135deg,rgba(12,58,52,.94),rgba(8,42,37,.86)),
  url('/assets/images/backpic/back-3.png') center/cover no-repeat;color:#fff;padding:88px 0;text-align:center;
}
.cta-inner{max-width:680px;margin:0 auto}
.cta-inner h2{font-size:32px;font-weight:800;line-height:1.4;margin-bottom:16px}
.cta-inner p{color:rgba(255,255,255,.82);font-size:16px;margin-bottom:32px}
.cta-inner .btn{min-width:160px}

/* 页脚 */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.75);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:44px}
.footer-brand .logo-text{color:#fff;font-size:22px}
.footer-brand p{font-size:14px;line-height:1.75;margin-top:14px;color:rgba(255,255,255,.6);max-width:280px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.65);padding:6px 0;transition:color var(--transition)}
.footer-col a:hover{color:var(--accent)}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact span{font-size:14px;color:rgba(255,255,255,.65);display:flex;align-items:center;gap:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:24px;display:flex;justify-content:space-between;
  align-items:center;gap:16px;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap;
}

/* 底部固定转化条 */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:900;background:var(--primary);
  padding:12px 24px;display:flex;align-items:center;justify-content:center;gap:20px;
  transform:translateY(110%);transition:transform .35s ease;box-shadow:0 -8px 30px rgba(12,58,52,.24);
}
.convert-bar.show{transform:translateY(0)}
.convert-bar.hidden{display:none}
.convert-bar .cb-text{color:#fff;font-size:15px;font-weight:500}
.convert-bar .btn{padding:10px 24px;font-size:14px}
.convert-bar-close{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);transition:background var(--transition);
}
.convert-bar-close:hover{background:rgba(255,255,255,.12)}

/* 响应式 */
@media (max-width:1024px){
  .feature-grid{grid-template-columns:1fr 1fr}
  .feature-card.dark{order:-1;grid-column:1/-1}
  .showcase-wrap{grid-template-columns:1fr;gap:48px}
  .stats-row{grid-template-columns:1fr 1fr;gap:32px}
  .testimonial-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .site-header{height:64px}
  .nav-wrap{height:64px;position:relative}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;top:64px;left:0;right:0;background:var(--bg);
    flex-direction:column;align-items:stretch;padding:16px 20px 28px;border-bottom:1px solid var(--border);
    display:none;overflow-y:auto;max-height:calc(100vh - 64px);box-shadow:var(--shadow-hover);
  }
  .nav-menu.nav-open{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:14px 12px;font-size:15px}
  .nav-link::after{left:12px;right:auto;width:24px}
  .nav-mega{width:100%}
  .nav-mega-btn{padding:14px 12px;width:100%;justify-content:space-between}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    grid-template-columns:1fr;gap:16px;box-shadow:none;border:0;border-radius:0;
    padding:16px 8px 8px;border-top:1px solid var(--border);margin-top:8px;
  }
  .mega-panel::before{display:none}
  .hero{padding:72px 0 64px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .hero-info{flex-wrap:wrap;gap:16px;margin-top:40px}
  .hero-info-item strong{font-size:20px}
  .feature-grid{grid-template-columns:1fr}
  .feature-card.dark{order:initial}
  .stats-row{grid-template-columns:1fr 1fr;padding:32px 20px}
  .stat-item strong{font-size:36px}
  .testimonial-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:100px 1fr;padding:20px}
  .news-date-box strong{font-size:18px}
  .section-head h2{font-size:26px}
  .showcase-content h2{font-size:26px}
  .cta-inner h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{justify-content:center;text-align:center}
  .convert-bar{padding:10px 48px 10px 16px;gap:12px}
  .convert-bar .cb-text{font-size:14px}
  .convert-bar .btn{padding:10px 18px;font-size:14px}
}
@media (max-width:520px){
  body{padding-bottom:56px}
  .container{padding:0 16px}
  .section{padding:48px 0}
  .news-item{grid-template-columns:1fr;gap:12px}
  .news-date-box{flex-direction:row;gap:8px;padding:10px 14px;align-items:baseline}
  .news-date-box strong{font-size:16px}
  .news-date-box span{font-size:12px}
  .feature-card{padding:28px 20px}
  .stats-row{grid-template-columns:1fr 1fr;gap:20px;padding:24px 16px}
  .stat-item strong{font-size:30px}
  .testimonial-card{padding:22px}
  .hero-info{flex-direction:column;gap:12px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .convert-bar .cb-text{max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
}
@media (min-width:1200px){
  .feature-card{padding:44px 32px 36px}
}

/* roulang page: category1 */
:root {
  --primary: #0C3A34;
  --primary-light: #15534A;
  --accent: #00C9A7;
  --accent-dark: #00A88A;
  --orange: #FF8A3D;
  --orange-dark: #E67320;
  --bg: #FAF8F4;
  --bg-gray: #F1EFE8;
  --text: #1F2A28;
  --text-secondary: #5E7671;
  --border: #DCE4E1;
  --white: #FFFFFF;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(12,58,52,0.06), 0 10px 30px rgba(12,58,52,0.08);
  --shadow-hover: 0 6px 20px rgba(12,58,52,0.10), 0 18px 40px rgba(12,58,52,0.12);
  --transition: 0.2s ease;
  --container: 1240px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  padding-bottom: 64px;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: inline-block;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  border-radius: 8px;
  position: relative;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

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

.nav-mega {
  position: relative;
  margin-left: 8px;
}

.nav-mega-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg);
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-mega-btn:hover {
  color: var(--primary);
  border-color: var(--accent);
  background: var(--white);
}

.nav-mega-btn svg {
  transition: transform 0.2s ease;
}

.nav-mega:hover .nav-mega-btn svg,
.nav-mega:focus-within .nav-mega-btn svg {
  transform: rotate(180deg);
}

.mega-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
  width: 520px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s ease;
  z-index: 999;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 24px;
}

.nav-mega:hover .mega-panel,
.nav-mega:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.mega-col a {
  display: block;
  padding: 8px 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid rgba(220,228,225,0.5);
}

.mega-col a:hover {
  color: var(--accent-dark);
  padding-left: 4px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== Category Hero ========== */
.cat-hero {
  position: relative;
  padding: 100px 0 90px;
  background: linear-gradient(135deg, rgba(12,58,52,0.92) 0%, rgba(12,58,52,0.78) 60%, rgba(21,83,74,0.85) 100%);
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: var(--white);
}

.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(12,58,52,0.92) 0%, rgba(12,58,52,0.75) 55%, rgba(12,58,52,0.6) 100%);
}

.cat-hero .container {
  position: relative;
  z-index: 1;
  max-width: 920px;
  text-align: center;
}

.cat-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,201,167,0.15);
  border: 1px solid rgba(0,201,167,0.4);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.cat-hero h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--white);
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.cat-hero p.lead {
  font-size: 18px;
  line-height: 1.75;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  cursor: pointer;
  line-height: 1.4;
}

.btn-primary {
  background: var(--orange);
  color: var(--text);
  border: 2px solid var(--orange);
}

.btn-primary:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,138,61,0.35);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.7);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: rgba(0,201,167,0.08);
  border-color: var(--accent-dark);
  color: var(--primary);
}

/* ========== Section Common ========== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-gray);
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 12px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ========== Features ========== */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

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

.feature-card.feature-dark {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.feature-card.feature-dark p {
  color: rgba(255,255,255,0.8);
}

.feature-card.feature-dark .feature-num {
  color: rgba(0,201,167,0.6);
}

.feature-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  display: block;
  margin-bottom: 16px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(0,201,167,0.12);
  color: var(--accent);
}

.feature-dark .feature-icon {
  background: rgba(0,201,167,0.18);
  color: var(--accent);
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
}

.feature-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.feature-dark h3 {
  color: var(--white);
}

.feature-dark p {
  color: rgba(255,255,255,0.78);
}

/* ========== Showcase ========== */
.showcase {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}

.showcase-media {
  position: relative;
}

.showcase-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  background: var(--white);
}

.showcase-frame-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--bg-gray);
  border-bottom: 1px solid var(--border);
}

.showcase-frame-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #E2B93B;
}

.showcase-frame-top span:first-child {
  background: #E05B5B;
}

.showcase-frame-top span:nth-child(2) {
  background: #E2B93B;
}

.showcase-frame-top span:nth-child(3) {
  background: #4CAF8D;
}

.showcase-frame img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

.showcase-content h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 28px;
}

.showcase-points {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
}

.showcase-points li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 20px;
}

.showcase-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,201,167,0.18);
}

.showcase-points strong {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.showcase-points p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  transition: gap 0.2s ease;
}

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

.text-link .arrow {
  font-size: 18px;
  line-height: 1;
}

/* ========== Stats ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
  text-align: center;
}

.stat-item .stat-num {
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

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

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
}

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

.testimonial-card::before {
  content: "“";
  position: absolute;
  top: 10px;
  left: 20px;
  font-size: 56px;
  color: var(--accent);
  opacity: 0.25;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card p {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 20px;
  padding-top: 20px;
  min-height: 90px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

.testimonial-avatar.orange {
  background: var(--orange);
}

.testimonial-avatar.dark {
  background: var(--primary);
  color: var(--white);
}

.testimonial-author .avatar-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.testimonial-author .avatar-meta {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-gray);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.faq-item:hover {
  border-color: var(--border);
  background: var(--white);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq-item[open] summary .faq-icon {
  transform: rotate(45deg);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 90px 0;
  background: linear-gradient(135deg, rgba(12,58,52,0.9), rgba(12,58,52,0.8)), url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  text-align: center;
  color: var(--white);
}

.cta-section h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 14px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--primary);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 24px;
  margin-top: 0;
}

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

.footer-brand .logo .logo-text {
  color: var(--white);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  margin-top: 16px;
  color: rgba(255,255,255,0.6);
  max-width: 280px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  padding: 6px 0;
  transition: color 0.2s ease;
}

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

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact span {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ========== Fixed Bottom CTA ========== */
.fixed-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary);
  border-top: 1px solid rgba(0,201,167,0.3);
  padding: 12px 20px;
  z-index: 999;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  box-shadow: 0 -4px 20px rgba(12,58,52,0.2);
}

.fixed-cta.show {
  transform: translateY(0);
}

.fixed-cta .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.fixed-cta p {
  font-size: 15px;
  color: var(--white);
  font-weight: 500;
}

.fixed-cta .btn {
  padding: 10px 24px;
  font-size: 14px;
  flex-shrink: 0;
}

.fixed-cta-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 20px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.fixed-cta-close:hover {
  background: rgba(255,255,255,0.1);
  color: var(--white);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .features-grid {
    gap: 16px;
  }
  .feature-card {
    padding: 24px 20px;
  }
  .showcase {
    gap: 32px;
  }
  .cta-section {
    padding: 70px 0;
  }
}

@media (max-width: 960px) {
  .nav-list {
    display: none;
  }
  .nav-mega {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-menu {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0;
    flex-direction: column;
    align-items: stretch;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    box-shadow: 0 12px 30px rgba(12,58,52,0.08);
  }
  .nav-menu.open {
    max-height: 480px;
    overflow-y: auto;
  }
  .nav-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px 16px;
  }
  .nav-list li {
    width: 100%;
  }
  .nav-link {
    display: block;
    padding: 14px 16px;
    border-radius: 8px;
  }
  .nav-link::after {
    display: none;
  }
  .nav-link.active {
    background: rgba(0,201,167,0.1);
  }
  .nav-mega {
    display: block;
    margin-left: 0;
    padding: 0 16px 16px;
  }
  .nav-mega-btn {
    display: none;
  }
  .mega-panel {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    width: 100%;
    box-shadow: none;
    border: 1px solid var(--border);
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px;
  }
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
  .feature-card:last-child {
    grid-column: span 2;
  }
  .showcase {
    grid-template-columns: 1fr;
  }
  .showcase-media.order-first {
    order: -1;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px 16px;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .section {
    padding: 56px 0;
  }
  .cat-hero {
    padding: 70px 0 60px;
  }
  .cat-hero h1 {
    font-size: 34px;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 56px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .fixed-cta {
    padding: 8px 12px;
  }
  .fixed-cta p {
    font-size: 13px;
    line-height: 1.4;
  }
  .fixed-cta .btn {
    padding: 8px 16px;
    font-size: 13px;
    white-space: nowrap;
  }
}

@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-card:last-child {
    grid-column: auto;
  }
  .showcase-frame img {
    height: 240px;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stat-item .stat-num {
    font-size: 36px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  .cat-hero h1 {
    font-size: 28px;
  }
  .cat-hero p.lead {
    font-size: 15px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .cta-section h2 {
    font-size: 26px;
  }
  .fixed-cta p {
    display: none;
  }
  .fixed-cta .container {
    justify-content: center;
  }
}

/* roulang page: article */
:root {
  --primary: #0C3A34;
  --primary-light: #145048;
  --accent: #00C9A7;
  --accent-dark: #00997F;
  --cta: #FF8A3D;
  --cta-dark: #F2742A;
  --bg: #FAF8F4;
  --bg-gray: #F1EFE8;
  --text: #1F2A28;
  --text-secondary: #5E7671;
  --border: #DCE4E1;
  --white: #FFFFFF;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow: 0 2px 8px rgba(12,58,52,0.06), 0 10px 30px rgba(12,58,52,0.08);
  --shadow-hover: 0 6px 16px rgba(12,58,52,0.10), 0 18px 44px rgba(12,58,52,0.12);
  --transition: 0.2s ease;
  --container: 1240px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  padding-bottom: 64px;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  list-style: none;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: all var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
  gap: 8px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--cta);
  color: var(--text);
  border-color: var(--cta);
}

.btn-primary:hover {
  background: var(--cta-dark);
  border-color: var(--cta-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 138, 61, 0.28);
}

.btn-primary:active {
  transform: scale(0.98);
}

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

.btn-outline:hover {
  background: rgba(12, 58, 52, 0.06);
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: scale(0.98);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.section-head .section-more {
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}

.section-head .section-more:hover {
  gap: 12px;
  color: var(--accent-dark);
}

/* ========== Header / Nav ========== */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 1px 4px rgba(12, 58, 52, 0.04);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-list .nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.nav-list .nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 4px;
  border-radius: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition);
}

.nav-list .nav-link:hover {
  color: var(--primary);
}

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

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

.nav-mega {
  position: relative;
}

.nav-mega-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition);
}

.nav-mega-btn:hover,
.nav-mega:hover .nav-mega-btn {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.mega-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 520px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 100;
}

.nav-mega:hover .mega-panel,
.nav-mega:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: none;
  margin-bottom: 14px;
}

.mega-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mega-col a {
  font-size: 14px;
  color: var(--text);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.mega-col a:hover {
  color: var(--accent-dark);
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
  transition: background var(--transition);
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle:hover {
  background: var(--bg-gray);
}

/* ========== Breadcrumb ========== */
.page-breadcrumb {
  background: var(--bg-gray);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.breadcrumb-list a {
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.breadcrumb-sep {
  color: #A8BCB7;
}

.breadcrumb-current {
  color: var(--text);
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========== Article Main ========== */
.article-main {
  padding: 48px 0 80px;
  background: var(--bg);
}

.article-layout {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

.article-head {
  text-align: center;
  padding: 20px 0 36px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 44px;
}

.article-category-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 201, 167, 0.12);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
  border: 1px solid rgba(0, 201, 167, 0.25);
}

.article-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--primary);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-secondary);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent-dark);
}

/* ========== Article Body ========== */
.article-body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
  max-width: 760px;
  margin: 0 auto;
}

.article-body > * + * {
  margin-top: 1.1em;
}

.article-body p {
  margin: 0;
  line-height: 1.85;
}

.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
  margin-top: 2em;
  padding-bottom: 0.5em;
  border-bottom: 1px solid var(--border);
}

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 1.8em;
  line-height: 1.4;
}

.article-body h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 1.5em;
}

.article-body a {
  color: var(--accent-dark);
  border-bottom: 1px solid rgba(0, 153, 127, 0.35);
  transition: border-color var(--transition);
}

.article-body a:hover {
  border-bottom-color: var(--accent-dark);
}

.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: var(--bg-gray);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5em 0;
  color: var(--text-secondary);
  font-style: normal;
}

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

.article-body img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  margin: 1.8em auto;
  box-shadow: var(--shadow);
}

.article-body ul,
.article-body ol {
  margin: 1.2em 0;
  padding-left: 1.6em;
}

.article-body ul li {
  list-style: disc;
  margin: 0.5em 0;
  padding-left: 0.3em;
}

.article-body ol li {
  list-style: decimal;
  margin: 0.5em 0;
  padding-left: 0.3em;
}

.article-body li::marker {
  color: var(--accent-dark);
}

.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2em 0;
}

.article-body strong {
  font-weight: 700;
  color: var(--primary);
}

/* ========== Article Footer ========== */
.article-footer {
  max-width: 760px;
  margin: 48px auto 0;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.article-footer-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.article-tag {
  padding: 5px 14px;
  background: var(--bg-gray);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.article-tag:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: rgba(0, 201, 167, 0.06);
}

/* ========== Empty State ========== */
.article-empty {
  text-align: center;
  padding: 80px 20px;
  max-width: 760px;
  margin: 0 auto;
}

.article-empty .empty-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--accent-dark);
  border: 2px solid var(--border);
}

.article-empty h1 {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 12px;
}

.article-empty p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* ========== Related Section ========== */
.related-section {
  padding: 80px 0;
  background: var(--bg-gray);
}

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

.article-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

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

.article-card-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}

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

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

.article-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-badge {
  display: inline-flex;
  align-self: flex-start;
  padding: 4px 12px;
  background: rgba(0, 201, 167, 0.12);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

.article-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.45;
  transition: color var(--transition);
}

.article-card:hover .article-card-body h3 {
  color: var(--accent-dark);
}

.article-card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

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

/* ========== CTA Section ========== */
.cta-section {
  background: var(--primary);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(0, 201, 167, 0.08) 0%, transparent 45%),
              radial-gradient(circle at 80% 50%, rgba(255, 138, 61, 0.06) 0%, transparent 40%);
}

.cta-inner {
  position: relative;
  text-align: center;
  max-width: 660px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.3;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  margin-bottom: 28px;
}

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

/* ========== Footer ========== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo .logo-text {
  color: var(--white);
}

.footer-brand > p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
  max-width: 280px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 18px;
}

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

.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition), padding-left var(--transition);
}

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

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

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

/* ========== Footer Bar ========== */
.footer-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary);
  border-top: 1px solid rgba(0, 201, 167, 0.3);
  transform: translateY(100%);
  transition: transform 0.35s ease;
  z-index: 998;
}

.footer-bar.show {
  transform: translateY(0);
}

.footer-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 20px;
  min-height: 64px;
}

.footer-bar-inner p {
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
  margin: 0;
}

.footer-bar-inner .btn {
  flex-shrink: 0;
}

.footer-bar-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition);
  flex-shrink: 0;
}

.footer-bar-close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
}

/* ========== Responsive ========== */
@media (max-width: 1199px) {
  .related-grid {
    gap: 20px;
  }

  .article-card-body {
    padding: 20px;
  }

  .footer-grid {
    gap: 32px;
  }
}

@media (max-width: 960px) {
  .nav-list {
    gap: 0;
  }

  .nav-list .nav-link {
    padding: 10px 10px;
    font-size: 13px;
  }

  .nav-mega-btn {
    padding: 10px 12px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .article-title {
    font-size: 32px;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 56px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px 20px;
    gap: 16px;
    display: none;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 4px;
  }

  .nav-list .nav-link {
    display: block;
    padding: 12px 12px;
    font-size: 15px;
    border-radius: 8px;
  }

  .nav-list .nav-link::after {
    display: none;
  }

  .nav-list .nav-link:hover,
  .nav-list .nav-link.active {
    background: var(--bg-gray);
  }

  .nav-mega {
    width: 100%;
  }

  .nav-mega-btn {
    width: 100%;
    justify-content: space-between;
    background: var(--white);
  }

  .mega-panel {
    position: static;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 16px;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-top: 8px;
    display: none;
  }

  .nav-mega.open .mega-panel {
    display: grid;
  }

  .article-main {
    padding: 32px 0 56px;
  }

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

  .article-body {
    font-size: 15px;
  }

  .article-body h2 {
    font-size: 22px;
  }

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

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

  .cta-section {
    padding: 48px 0;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bar-inner {
    min-height: 56px;
    padding: 8px 16px;
  }

  .footer-bar-inner p {
    font-size: 13px;
  }

  .footer-bar-inner .btn {
    padding: 8px 16px;
    font-size: 13px;
  }
}

@media (max-width: 520px) {
  .related-grid {
    grid-template-columns: 1fr;
  }

  .article-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .breadcrumb-current {
    max-width: 160px;
  }

  .article-card-body {
    padding: 18px;
  }

  .cta-btns .btn {
    width: 100%;
  }
}

/* roulang page: category3 */
:root {
  --primary: #0C3A34;
  --accent: #00C9A7;
  --orange: #FF8A3D;
  --bg: #FAF8F4;
  --bg-light: #F1EFE8;
  --text: #1F2A28;
  --text-sub: #5E7671;
  --border: #DCE4E1;
  --radius-lg: 16px;
  --radius-sm: 12px;
  --shadow: 0 2px 8px rgba(12,58,52,0.06), 0 10px 30px rgba(12,58,52,0.08);
  --shadow-hover: 0 8px 20px rgba(12,58,52,0.10), 0 18px 40px rgba(12,58,52,0.14);
  --transition: 0.2s ease;
  --container: 1240px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: 64px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

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

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

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* 页面 Hero */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(12,58,52,0.92) 0%, rgba(12,58,52,0.76) 60%, rgba(0,201,167,0.20) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding: 88px 0 96px;
  color: #fff;
  overflow: hidden;
}

.page-hero .hero-inner {
  max-width: 820px;
}

.page-hero .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,201,167,0.16);
  border: 1px solid rgba(0,201,167,0.35);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
  letter-spacing: 0.5px;
}

.page-hero .hero-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}

.page-hero .hero-sub {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255,255,255,0.86);
  max-width: 680px;
  margin-bottom: 30px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--orange);
  color: var(--primary);
  font-size: 15px;
  font-weight: 700;
  padding: 13px 30px;
  border-radius: 999px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(255,138,61,0.28);
}

.btn-primary:hover {
  background: #f07a26;
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,138,61,0.36);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.65);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.10);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: scale(0.98);
}

/* 活动类型 */
.section-block {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 56px;
}

.section-header .section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-header h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--primary);
  margin-bottom: 14px;
}

.section-header p {
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.8;
}

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

.activity-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 24px 32px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.activity-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--orange));
  opacity: 0;
  transition: opacity var(--transition);
}

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

.activity-card:hover::after {
  opacity: 1;
}

.activity-card .card-icon {
  width: 48px;
  height: 48px;
  background: rgba(0,201,167,0.12);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}

.activity-card .card-icon svg {
  width: 24px;
  height: 24px;
}

.activity-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}

.activity-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
}

.activity-card .card-tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(0,201,167,0.08);
  padding: 3px 10px;
  border-radius: 999px;
}

/* 活动流程 */
.flow-section {
  background: var(--bg-light);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: flow-step;
}

.flow-step {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

.flow-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.flow-step .step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--accent);
  font-size: 15px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}

.flow-step h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}

.flow-step p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* 数据区 */
.stats-section {
  background: var(--primary);
  color: #fff;
  padding: 64px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item .stat-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}

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

.stat-item .stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.72);
}

/* 精选活动 */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.featured-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.featured-card .featured-cover {
  height: 180px;
  background: var(--bg-light) center/cover no-repeat;
  position: relative;
}

.featured-card .featured-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-card .featured-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(12,58,52,0.86);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: none;
}

.featured-card .featured-body {
  padding: 22px 22px 26px;
}

.featured-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.5;
}

.featured-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 14px;
}

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

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

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

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: background var(--transition);
}

.faq-item[open] {
  background: #fff;
  box-shadow: var(--shadow);
}

.faq-item summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  list-style: none;
  outline: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0,201,167,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
  transition: transform var(--transition), background var(--transition);
}

.faq-item summary .faq-icon svg {
  width: 16px;
  height: 16px;
}

.faq-item[open] summary .faq-icon {
  transform: rotate(45deg);
  background: var(--accent);
  color: #fff;
}

.faq-item .faq-answer {
  padding: 0 24px 22px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
}

/* CTA */
.cta-section {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--primary) 0%, #0e4a42 100%);
  text-align: center;
  color: #fff;
}

.cta-section h2 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,0.78);
  margin-bottom: 28px;
}

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

/* Header */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 72px;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
}

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

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

.nav-list .nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  padding: 26px 0;
  position: relative;
  transition: color var(--transition);
}

.nav-list .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: 4px 4px 0 0;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.nav-list .nav-link:hover,
.nav-list .nav-link.active {
  color: var(--primary);
}

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

.nav-mega {
  position: relative;
  cursor: pointer;
}

.nav-mega-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  padding: 26px 0;
  transition: color var(--transition);
}

.nav-mega-btn svg {
  transition: transform var(--transition);
}

.nav-mega:hover .nav-mega-btn,
.nav-mega:focus-within .nav-mega-btn {
  color: var(--primary);
}

.nav-mega:hover .nav-mega-btn svg,
.nav-mega:focus-within .nav-mega-btn svg {
  transform: rotate(180deg);
}

.nav-mega:hover .mega-panel,
.nav-mega:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-panel {
  position: absolute;
  top: calc(100% - 0px);
  right: 0;
  width: 520px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 200;
}

.mega-panel::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
  background: transparent;
}

.mega-col {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mega-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-sub);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.mega-col a {
  display: block;
  font-size: 14px;
  color: var(--text);
  padding: 6px 8px;
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
}

.mega-col a:hover {
  background: rgba(0,201,167,0.08);
  color: var(--primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: var(--bg-light);
  border-radius: 8px;
  align-items: center;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Footer */
.site-footer {
  background: var(--primary);
  color: rgba(255,255,255,0.72);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-text {
  color: #fff;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.56);
  max-width: 280px;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a {
  font-size: 13px;
  color: rgba(255,255,255,0.60);
  transition: color var(--transition);
}

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

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.56);
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: rgba(255,255,255,0.40);
}

/* 底部转化条 */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary);
  color: #fff;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  z-index: 900;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  box-shadow: 0 -4px 20px rgba(12,58,52,0.24);
}

.bottom-bar.visible {
  transform: translateY(0);
}

.bottom-bar .bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  width: 100%;
  gap: 20px;
}

.bottom-bar p {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bottom-bar .btn-orange {
  background: var(--orange);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 9px 24px;
  border-radius: 999px;
  transition: background var(--transition), transform var(--transition);
  flex-shrink: 0;
}

.bottom-bar .btn-orange:hover {
  background: #f07a26;
  transform: scale(1.03);
}

.bottom-bar .bottom-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  transition: background var(--transition);
  flex-shrink: 0;
}

.bottom-bar .bottom-close:hover {
  background: rgba(255,255,255,0.20);
}

/* 响应式 */
@media (max-width: 1199px) {
  .activity-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 960px) {
  .section-block {
    padding: 56px 0;
  }

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

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

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

  .mega-panel {
    right: -20px;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 56px;
  }

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

  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 16px 0;
  }

  .nav-list .nav-link {
    padding: 14px 0;
    font-size: 16px;
    width: 100%;
    border-bottom: 1px solid var(--border);
  }

  .nav-list .nav-link::after {
    display: none;
  }

  .nav-mega {
    width: 100%;
    padding: 14px 0;
  }

  .nav-mega-btn {
    padding: 6px 0 10px;
    font-size: 16px;
  }

  .mega-panel {
    position: static;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 16px;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    margin-top: 10px;
  }

  .page-hero {
    padding: 64px 0 72px;
  }

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

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

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

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

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

  .stat-item .stat-number {
    font-size: 36px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 6px;
    text-align: center;
  }

  .bottom-bar {
    height: 56px;
    padding: 0 16px;
  }

  .bottom-bar p {
    font-size: 13px;
  }

  .bottom-bar .btn-orange {
    padding: 8px 18px;
    font-size: 12px;
  }

  .cqp-close-wrap {
    position: static;
  }
}

@media (max-width: 480px) {
  .section-header h2 {
    font-size: 24px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .stat-item .stat-number {
    font-size: 30px;
  }

  .activity-card {
    padding: 22px 18px 26px;
  }

  .mega-panel {
    grid-template-columns: 1fr;
  }
}

/* roulang page: category2 */
:root {
  --primary: #0C3A34;
  --accent: #00C9A7;
  --orange: #FF8A3D;
  --bg: #FAF8F4;
  --bg-alt: #F1EFE8;
  --text: #1F2A28;
  --text-secondary: #5E7671;
  --border: #DCE4E1;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(12,58,52,0.06), 0 10px 30px rgba(12,58,52,0.08);
  --shadow-hover: 0 6px 16px rgba(12,58,52,0.10), 0 16px 40px rgba(12,58,52,0.14);
  --transition: 0.2s ease;
  --container: 1240px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  background: rgba(250, 248, 244, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--primary);
  white-space: nowrap;
}

.site-footer .logo-text {
  color: #fff;
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
  flex: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  display: inline-block;
  padding: 8px 2px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 3px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--accent);
}

.nav-mega {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-mega-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.nav-mega-btn:hover {
  background: var(--bg-alt);
  border-color: var(--border);
}

.mega-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  width: 520px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  z-index: 120;
}

.nav-mega:hover .mega-panel,
.nav-mega:focus-within .mega-panel,
.nav-mega.open .mega-panel {
  display: grid;
}

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

.mega-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.mega-col a {
  font-size: 14px;
  color: var(--text);
  padding: 6px 0;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition), padding-left var(--transition);
}

.mega-col a:hover {
  color: var(--primary);
  background: rgba(0, 201, 167, 0.08);
  padding-left: 8px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
  z-index: 130;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Page Hero ---------- */
.page-hero {
  position: relative;
  background: linear-gradient(105deg, rgba(12, 58, 52, 0.94), rgba(12, 58, 52, 0.78)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  padding: 72px 0 80px;
  color: #fff;
  text-align: center;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.72);
}

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

.breadcrumb-sep {
  color: rgba(255, 255, 255, 0.35);
}

.breadcrumb .current {
  color: rgba(255, 255, 255, 0.9);
}

.page-hero h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
  max-width: 680px;
  margin: 0 auto 30px;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--orange);
  color: var(--text);
  border-color: var(--orange);
}

.btn-primary:hover {
  background: #f2751f;
  border-color: #f2751f;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 138, 61, 0.25);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: scale(0.98);
}

/* ---------- Sections ---------- */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: rgba(0, 201, 167, 0.12);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 12px;
}

.section-head p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- Feature Cards ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px 24px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.feature-card.featured {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.feature-card.featured:hover {
  border-color: var(--accent);
}

.feature-num {
  position: absolute;
  top: 18px;
  right: 24px;
  font-size: 44px;
  font-weight: 800;
  color: rgba(12, 58, 52, 0.07);
  line-height: 1;
  letter-spacing: -0.03em;
}

.feature-card.featured .feature-num {
  color: rgba(255, 255, 255, 0.12);
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(0, 201, 167, 0.1);
  color: var(--primary);
  margin-bottom: 18px;
}

.feature-card.featured .feature-icon {
  background: rgba(0, 201, 167, 0.16);
  color: var(--accent);
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

.feature-card.featured h3 {
  color: #fff;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.feature-card.featured p {
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- Content Showcase ---------- */
.split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.split-info .section-tag {
  margin-bottom: 12px;
}

.split-info h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
}

.split-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}

.split-list {
  display: flex;
  flex-direction: column;
}

.split-list li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.split-list li:last-child {
  border-bottom: 0;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 10px;
  flex-shrink: 0;
}

.split-list h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.split-list p {
  font-size: 14px;
  color: var(--text-secondary);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 8px;
  transition: gap var(--transition);
}

.text-link::after {
  content: '→';
  transition: transform var(--transition);
}

.text-link:hover {
  gap: 10px;
}

/* ---------- Steps ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-item {
  background: var(--bg-alt);
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.step-item:hover {
  background: #fff;
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.step-num {
  display: block;
  font-size: 34px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 16px;
}

.step-item h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.step-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- Tags ---------- */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 860px;
  margin: 0 auto;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: all var(--transition);
}

.tag-pill:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(12, 58, 52, 0.18);
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-list details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-list details[open] {
  border-color: rgba(0, 201, 167, 0.45);
  box-shadow: var(--shadow);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary:hover {
  color: var(--primary);
}

.faq-list summary::after {
  content: '+';
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  transition: transform var(--transition), background var(--transition);
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
  background: var(--orange);
}

.faq-body {
  padding: 0 24px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ---------- CTA ---------- */
.cta-section {
  padding-bottom: 80px;
}

.cta-box {
  position: relative;
  background: var(--primary);
  border-radius: 20px;
  padding: 52px 40px;
  text-align: center;
  color: #fff;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(0, 201, 167, 0.14);
}

.cta-box::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -30px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(255, 138, 61, 0.12);
}

.cta-box h2 {
  position: relative;
  z-index: 1;
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.cta-box p {
  position: relative;
  z-index: 1;
  max-width: 520px;
  margin: 0 auto 28px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
}

.cta-box .btn {
  position: relative;
  z-index: 1;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}

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

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition), padding-left var(--transition);
}

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

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.48);
}

/* ---------- Responsive ---------- */
@media (max-width: 1199px) {
  .feature-grid {
    gap: 20px;
  }

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

@media (max-width: 960px) {
  .section {
    padding: 64px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    box-shadow: 0 20px 30px rgba(12, 58, 52, 0.1);
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 12px 4px;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
  }

  .nav-mega {
    width: 100%;
    position: static;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-mega-btn {
    width: 100%;
    justify-content: space-between;
    padding: 12px 4px;
    border-radius: 0;
    border-bottom: 1px solid var(--border);
    background: transparent;
  }

  .nav-mega-btn:hover {
    background: transparent;
    border-color: var(--border);
  }

  .mega-panel {
    position: static;
    width: 100%;
    display: none;
    grid-template-columns: 1fr;
    gap: 16px;
    border: 0;
    background: transparent;
    box-shadow: none;
    padding: 12px 0 0;
  }

  .nav-mega.open .mega-panel {
    display: grid;
  }

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

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

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

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

@media (max-width: 768px) {
  .section {
    padding: 48px 0;
  }

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

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

  .feature-card.featured {
    grid-column: auto;
  }

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

  .cta-box {
    padding: 40px 24px;
  }

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

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

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

  .page-hero {
    padding: 56px 0 64px;
  }

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

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

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .feature-card {
    padding: 24px 20px 20px;
  }

  .split-info h2 {
    font-size: 22px;
  }

  .section-tag {
    padding: 5px 12px;
    font-size: 12px;
  }

  .btn {
    padding: 13px 22px;
    font-size: 14px;
  }

  .tag-pill {
    padding: 8px 16px;
    font-size: 13px;
  }

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

  .faq-body {
    padding: 0 18px 16px;
  }
}