/* roulang page: index */
:root{
  --primary:#00E5BE;
  --primary-hover:#3CF0D0;
  --primary-dim:rgba(0,229,190,0.1);
  --amber:#FFB020;
  --amber-hover:#FFC64D;
  --red:#FF4D4F;
  --bg-deep:#0B0F14;
  --bg-panel:#12181F;
  --bg-card:#1A222B;
  --bg-footer:#080C10;
  --text-main:#F2F6F8;
  --text-sub:#A7B4BE;
  --text-muted:#5C6B76;
  --border:#22303A;
  --radius:12px;
  --radius-btn:8px;
  --radius-pill:999px;
  --shadow:0 4px 12px rgba(0,0,0,0.25);
  --shadow-hover:0 8px 24px rgba(0,0,0,0.4);
  --transition:all .3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-deep);
  color:var(--text-main);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font-family:inherit;outline:none}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.signal-bar{height:3px;background:var(--primary);position:relative;z-index:1001}
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(11,15,20,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  height:64px;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:8px;background:var(--primary);
  color:var(--bg-deep);font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:-.5px;
}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.5px;color:var(--text-main);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:8px 16px;font-size:15px;font-weight:500;color:var(--text-sub);
  border-radius:var(--radius-btn);position:relative;white-space:nowrap;transition:var(--transition);
}
.nav-link:hover{color:var(--primary);background:var(--primary-dim)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{
  content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);
  width:20px;height:2px;background:var(--primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:14px}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted);position:relative}
.status-dot.live{background:var(--red);animation:pulse 1.6s infinite}
.status-dot.upcoming{background:var(--amber)}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,77,79,.5)}
  70%{box-shadow:0 0 0 10px rgba(255,77,79,0)}
  100%{box-shadow:0 0 0 0 rgba(255,77,79,0)}
}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:8px;border-radius:8px}
.hamburger span{display:block;height:2px;width:100%;background:var(--text-main);border-radius:2px;transition:var(--transition)}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.hero{
  position:relative;
  padding:80px 0 64px;
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-120px;right:-120px;width:480px;height:480px;
  background:radial-gradient(circle,var(--primary-dim),transparent 70%);
  pointer-events:none;
}
.hero-inner{display:flex;align-items:center;gap:48px;position:relative;z-index:1}
.hero-content{flex:0 0 56%;max-width:56%}
.hero-visual{
  flex:0 0 44%;max-width:44%;height:360px;border-radius:var(--radius);
  background-size:cover;background-position:center;border:1px solid var(--border);
  position:relative;overflow:hidden;
}
.hero-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(11,15,20,.75));}
.hero-status{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 14px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.4px;
}
.badge-live{background:rgba(255,77,79,.15);color:var(--red)}
.badge-upcoming{background:rgba(255,176,32,.15);color:var(--amber)}
.badge-cyan{background:var(--primary-dim);color:var(--primary)}
.hero-status-text{font-size:14px;color:var(--text-sub)}
.hero h1{font-size:40px;font-weight:700;line-height:1.2;letter-spacing:-.5px;margin-bottom:18px}
.hero-sub{font-size:17px;line-height:1.7;color:var(--text-sub);margin-bottom:32px;max-width:520px}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  transition:var(--transition);white-space:nowrap;border:1px solid transparent;
}
.btn-primary{background:var(--primary);color:var(--bg-deep)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,229,190,.25)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-dim);border-color:var(--primary-hover);color:var(--primary-hover)}
.btn-amber{background:var(--amber);color:var(--bg-deep)}
.btn-amber:hover{background:var(--amber-hover);transform:translateY(-1px);box-shadow:0 6px 20px rgba(255,176,32,.25)}
.btn-sm{padding:8px 20px;font-size:14px}

.countdown-bar{
  background:var(--bg-panel);
  border-bottom:1px solid var(--border);
  padding:28px 0;
}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.countdown-label{font-size:14px;color:var(--text-sub);font-weight:500;flex-shrink:0}
.countdown-grid{display:flex;align-items:center;gap:16px}
.cd-item{text-align:center;min-width:56px}
.cd-num{
  display:block;font-family:"DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
  font-size:40px;font-weight:700;color:var(--amber);line-height:1;
  letter-spacing:.02em;font-variant-numeric:tabular-nums;
}
.cd-label{display:block;font-size:12px;color:var(--text-muted);margin-top:6px}
.countdown-action{display:flex;align-items:center;gap:14px}
.cd-hint{font-size:13px;color:var(--text-sub)}

.section{padding:80px 0}
.section-head{margin-bottom:48px;max-width:720px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:30px;font-weight:700;line-height:1.3;letter-spacing:-.3px;margin-bottom:12px}
.section-head p{font-size:15px;color:var(--text-sub);line-height:1.7}

.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 28px;position:relative;overflow:hidden;transition:var(--transition);
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(0,229,190,.5);box-shadow:var(--shadow-hover)}
.step-num{
  font-family:"DIN Alternate","Bahnschrift",sans-serif;font-size:42px;font-weight:700;
  color:var(--primary);line-height:1;margin-bottom:18px;display:block;
}
.step-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
.step-card p{font-size:14px;color:var(--text-sub);line-height:1.75}

.timeline{position:relative;padding-left:28px}
.timeline::before{content:'';position:absolute;left:8px;top:6px;bottom:6px;width:1px;background:var(--border)}
.timeline-item{position:relative;padding:0 0 36px 24px;transition:var(--transition)}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:'';position:absolute;left:-28px;top:6px;width:17px;height:17px;border-radius:50%;
  background:var(--bg-deep);border:3px solid var(--primary);transition:var(--transition);
}
.timeline-item:hover::before{background:var(--primary);box-shadow:0 0 0 6px rgba(0,229,190,.15)}
.timeline-num{
  font-family:"DIN Alternate","Bahnschrift",sans-serif;font-size:14px;font-weight:700;
  color:var(--primary);letter-spacing:1px;display:inline-block;padding:2px 10px;
  background:var(--primary-dim);border-radius:var(--radius-pill);margin-bottom:8px;
}
.timeline-content h3{font-size:18px;font-weight:600;margin-bottom:8px}
.timeline-content p{font-size:14px;color:var(--text-sub);line-height:1.75;max-width:720px}

.subscribe-section{padding:0 0 80px}
.subscribe-card{
  background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:48px 40px;text-align:center;position:relative;overflow:hidden;
}
.subscribe-card::before{
  content:'';position:absolute;top:-80px;right:-80px;width:280px;height:280px;
  background:radial-gradient(circle,var(--primary-dim),transparent 70%);pointer-events:none;
}
.subscribe-card h2{font-size:28px;font-weight:700;margin-bottom:10px}
.subscribe-card>p{font-size:14px;color:var(--text-sub);margin-bottom:28px}
.subscribe-form{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;max-width:520px;margin:0 auto}
.subscribe-form input{
  flex:1;min-width:220px;padding:14px 18px;border-radius:var(--radius-btn);
  background:var(--bg-deep);border:1px solid var(--border);color:var(--text-main);
  font-size:15px;transition:var(--transition);
}
.subscribe-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,229,190,.12)}
.subscribe-form input::placeholder{color:var(--text-muted)}
.subscribe-form .btn{padding:14px 32px}
.privacy-note{font-size:13px;color:var(--text-muted);margin-top:16px}

.news-section{background:var(--bg-panel);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  display:flex;gap:20px;background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);padding:16px;transition:var(--transition);
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(0,229,190,.5);box-shadow:var(--shadow-hover)}
.news-thumb{
  flex:0 0 200px;height:140px;border-radius:8px;overflow:hidden;
  background:var(--bg-panel);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{flex:1;display:flex;flex-direction:column;min-width:0}
.news-body .tag{
  align-self:flex-start;padding:3px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-dim);margin-bottom:10px;
}
.news-body h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:13px;color:var(--text-sub);line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-muted);margin-top:auto}
.read-more{color:var(--primary);font-weight:500}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;background:var(--bg-card);
  border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-sub);font-size:15px;
}

.scenes-section .section-head{margin-bottom:40px}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:var(--transition);display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(0,229,190,.5);box-shadow:var(--shadow-hover)}
.scene-card .scene-img{height:180px;overflow:hidden;position:relative}
.scene-card .scene-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.scene-card:hover .scene-img img{transform:scale(1.06)}
.scene-card .scene-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(11,15,20,.55))}
.scene-body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.scene-body .badge{align-self:flex-start;margin-bottom:12px}
.scene-body h3{font-size:18px;font-weight:600;margin-bottom:10px}
.scene-body p{font-size:14px;color:var(--text-sub);line-height:1.7}

.faq-section{background:var(--bg-panel);border-top:1px solid var(--border)}
.faq-list{max-width:840px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text-main);
  text-align:left;transition:var(--transition);gap:16px;
}
.faq-question:hover{color:var(--primary)}
.faq-icon{
  width:28px;height:28px;border-radius:50%;background:var(--bg-card);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:300;
  color:var(--text-sub);transition:var(--transition);flex-shrink:0;
}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--primary);border-color:var(--primary)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .3s ease-out;
}
.faq-answer p{padding:0 24px 22px;font-size:14px;color:var(--text-sub);line-height:1.8}
.faq-item.open .faq-answer{max-height:300px}

.cta-section{
  padding:80px 0;text-align:center;position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;bottom:-160px;left:50%;transform:translateX(-50%);
  width:560px;height:560px;background:radial-gradient(circle,var(--primary-dim),transparent 65%);
  pointer-events:none;
}
.cta-section .container{position:relative;z-index:1}
.cta-section h2{font-size:32px;font-weight:700;letter-spacing:-.3px;margin-bottom:14px}
.cta-section p{font-size:16px;color:var(--text-sub);margin-bottom:36px}
.cta-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}

.site-footer{background:var(--bg-footer);border-top:1px solid var(--border);padding:64px 0 0}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px;padding-bottom:48px}
.footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-logo .logo-mark{width:38px;height:38px;font-size:17px}
.footer-logo .logo-text{font-size:20px}
.footer-brand p{font-size:14px;color:var(--text-sub);line-height:1.7;max-width:300px}
.footer-nav h4,.footer-sub h4{font-size:15px;font-weight:600;margin-bottom:18px;color:var(--text-main)}
.footer-nav a{
  display:block;padding:5px 0;font-size:14px;color:var(--text-sub);
  transition:var(--transition);
}
.footer-nav a:hover{color:var(--primary);padding-left:8px}
.footer-sub p{font-size:13px;color:var(--text-muted);margin-bottom:16px}
.footer-sub form{display:flex;gap:8px;max-width:300px}
.footer-sub input{
  flex:1;padding:10px 14px;border-radius:var(--radius-btn);
  background:var(--bg-deep);border:1px solid var(--border);color:var(--text-main);
  font-size:14px;transition:var(--transition);min-width:0;
}
.footer-sub input:focus{border-color:var(--primary)}
.footer-sub input::placeholder{color:var(--text-muted)}
.footer-bottom{border-top:1px solid var(--border);padding:20px 0}
.footer-bottom .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer-bottom span{font-size:13px;color:var(--text-muted)}

.back-top{
  position:fixed;right:28px;bottom:28px;width:46px;height:46px;border-radius:50%;
  background:var(--bg-panel);border:1px solid var(--border);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:20px;
  opacity:0;visibility:hidden;transform:translateY(16px);transition:var(--transition);z-index:999;
}
.back-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--primary);color:var(--bg-deep);border-color:var(--primary)}

@media(max-width:1024px){
  .hero-inner{flex-direction:column}
  .hero-content{flex:0 0 100%;max-width:100%}
  .hero-visual{flex:0 0 100%;max-width:100%;height:260px}
  .news-grid{grid-template-columns:1fr}
  .news-thumb{flex:0 0 180px;height:130px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:768px){
  .site-header{height:56px}
  .header-inner{height:56px}
  .main-nav{
    position:fixed;top:56px;left:0;right:0;background:var(--bg-deep);
    flex-direction:column;align-items:stretch;padding:16px 24px 24px;
    border-bottom:1px solid var(--border);transform:translateY(-120%);
    transition:transform .3s ease;z-index:999;
  }
  .main-nav.open{transform:translateY(0)}
  .nav-link{padding:14px 12px;font-size:17px}
  .hamburger{display:flex}
  .header-actions .btn-sm{display:none}
  .hero{padding:48px 0 40px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .countdown-inner{justify-content:center;flex-direction:column}
  .countdown-grid{gap:10px}
  .cd-num{font-size:32px}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .steps-grid{grid-template-columns:1fr;gap:16px}
  .subscribe-card{padding:36px 20px}
  .subscribe-form input{min-width:100%}
  .news-card{flex-direction:column}
  .news-thumb{flex:0 0 auto;height:160px;width:100%}
  .scene-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .footer-bottom .container{justify-content:center;text-align:center}
  .cta-section h2{font-size:26px}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .countdown-grid{gap:6px}
  .cd-item{min-width:44px}
  .cd-num{font-size:26px}
  .subscribe-form .btn{width:100%}
  .footer-sub form{flex-direction:column}
}

/* roulang page: article */
:root {
  --primary: #00E5BE;
  --primary-hover: #3CF0D0;
  --amber: #FFB020;
  --red: #FF4D4F;
  --bg-dark: #0B0F14;
  --bg-panel: #12181F;
  --bg-card: #1A222B;
  --text-main: #F2F6F8;
  --text-sub: #A7B4BE;
  --text-muted: #5C6B76;
  --border: #22303A;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 12px rgba(0,0,0,0.25);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.4);
  --container: 1200px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  --header-h: 64px;
  --space-section: 64px;
  --space-section-sm: 40px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; font-size: inherit; border: none; outline: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.signal-bar { height: 3px; background: var(--text-muted); }
.signal-home { background: var(--primary); }
.signal-category { background: var(--amber); }
.signal-article { background: var(--text-muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.28s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary { background: var(--primary); color: #0B0F14; }
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 4px 20px rgba(0,229,190,0.3); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-ghost { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-ghost:hover { background: rgba(0,229,190,0.12); border-color: var(--primary-hover); color: var(--primary-hover); }
.btn-sm { padding: 9px 18px; font-size: 13px; }
.btn-lg { padding: 15px 34px; font-size: 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(11,15,20,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 34px; height: 34px;
  background: var(--primary);
  color: #0B0F14;
  font-weight: 800;
  font-size: 15px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-num);
  letter-spacing: -0.02em;
  box-shadow: 0 0 20px rgba(0,229,190,0.3);
}
.logo-text { font-size: 18px; font-weight: 700; color: var(--text-main); letter-spacing: 0.02em; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: 6px;
  transition: color 0.25s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transform: translateX(-50%);
  transition: width 0.3s ease;
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { width: 20px; }
.nav-link.active { color: var(--primary); }
.nav-link.active::after { width: 20px; }
.header-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: background 0.25s;
}
.nav-toggle span { display: block; height: 2px; background: var(--text-main); border-radius: 2px; transition: all 0.3s ease; }
.nav-toggle:hover span { background: var(--primary); }
.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); }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 28px 0 0;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-sub); transition: color 0.25s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #3A4650; }
.breadcrumb .current { color: var(--text-muted); max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Article Card */
.article-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 24px;
  padding: 48px 56px;
  box-shadow: var(--shadow);
}
.article-head { text-align: center; margin-bottom: 36px; }
.article-meta-line {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.cat-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  background: rgba(0,229,190,0.12);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  transition: background 0.25s, color 0.25s;
}
.cat-badge:hover { background: rgba(0,229,190,0.22); color: var(--primary-hover); }
.meta-sep { color: #3A4650; }
.meta-time, .meta-source { color: var(--text-muted); }
.article-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--text-main);
}

/* Article Content */
.article-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-sub);
}
.article-content p { margin-bottom: 20px; }
.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--text-main);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 32px 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--primary);
  color: var(--text-main);
  line-height: 1.4;
}
.article-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 12px;
  color: var(--text-main);
}
.article-content blockquote {
  margin: 28px 0;
  padding: 18px 22px;
  background: var(--bg-card);
  border-left: 3px solid var(--amber);
  border-radius: 0 8px 8px 0;
  color: var(--text-sub);
  font-style: normal;
}
.article-content blockquote p { margin-bottom: 0; }
.article-content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 28px auto;
  box-shadow: var(--shadow);
}
.article-content ul, .article-content ol { margin: 0 0 20px; padding-left: 24px; }
.article-content li { margin-bottom: 8px; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { color: var(--primary-hover); }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  background: var(--bg-card);
  border-radius: 8px;
  overflow: hidden;
  font-size: 14px;
}
.article-content th, .article-content td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  color: var(--text-sub);
}
.article-content th {
  background: var(--bg-panel);
  color: var(--text-main);
  font-weight: 600;
}
.article-content tr:last-child td { border-bottom: none; }

/* Tags */
.article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.tags-label { font-size: 13px; color: var(--text-muted); }
.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 16px;
  font-size: 13px;
  color: var(--primary);
  background: transparent;
  border: 1px solid rgba(0,229,190,0.4);
  border-radius: 999px;
  transition: all 0.25s;
}
.tag:hover {
  background: rgba(0,229,190,0.1);
  border-color: var(--primary);
  color: var(--primary-hover);
}

/* Back to category */
.back-to-cat { margin-top: 24px; text-align: center; }
.back-to-cat a {
  font-size: 14px;
  color: var(--text-sub);
  transition: color 0.25s, padding-left 0.25s;
}
.back-to-cat a:hover { color: var(--primary); padding-left: 6px; }

/* Empty State */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 24px;
}
.empty-state p { font-size: 20px; font-weight: 600; color: var(--text-main); margin-bottom: 20px; }

/* Related Section */
.related-section { margin-top: var(--space-section); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}
.section-head h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  position: relative;
  padding-left: 16px;
}
.section-head h2::before {
  content: "";
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 3px;
  border-radius: 3px;
  background: var(--primary);
}
.section-head .section-sub { font-size: 14px; color: var(--text-muted); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  border-color: rgba(0,229,190,0.5);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.related-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover img { transform: scale(1.03); }
.related-info { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.card-tag {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(0,229,190,0.1);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.related-info h3 { font-size: 16px; font-weight: 600; color: var(--text-main); line-height: 1.4; margin-bottom: 10px; transition: color 0.25s; }
.related-card:hover .related-info h3 { color: var(--primary); }
.related-info p { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; flex: 1; }
.related-meta { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 8px; }

/* CTA Banner */
.cta-banner {
  margin-top: var(--space-section);
  background: linear-gradient(135deg, #12181F 0%, #1A222B 60%, #141D24 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(0,229,190,0.12) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-banner::after {
  content: "";
  position: absolute;
  right: 40px; bottom: -80px;
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(255,176,32,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-info { position: relative; z-index: 1; flex: 1; min-width: 260px; }
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  background: rgba(255,176,32,0.14);
  color: var(--amber);
  border-radius: 999px;
  margin-bottom: 16px;
}
.live-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--amber);
  animation: pulse 1.6s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.cta-info h2 { font-size: 26px; font-weight: 700; color: var(--text-main); line-height: 1.3; margin-bottom: 12px; }
.cta-info p { font-size: 15px; color: var(--text-sub); max-width: 420px; }
.cta-form { position: relative; z-index: 1; display: flex; gap: 12px; flex: 1; min-width: 280px; }
.cta-form input {
  flex: 1;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 15px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.cta-form input::placeholder { color: var(--text-muted); }
.cta-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,229,190,0.15);
}
.privacy-note { margin-top: 12px; font-size: 13px; color: var(--text-muted); }

/* Footer */
.site-footer {
  background: #080C10;
  border-top: 1px solid var(--border);
  margin-top: var(--space-section);
  padding-top: 56px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
}
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo .logo-mark { width: 36px; height: 36px; font-size: 16px; }
.footer-logo .logo-text { font-size: 18px; font-weight: 700; color: var(--text-main); }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.7; max-width: 320px; }
.footer-nav h4, .footer-sub h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.footer-nav a {
  display: block;
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 12px;
  transition: color 0.25s, padding-left 0.25s;
}
.footer-nav a:hover { color: var(--primary); padding-left: 6px; }
.footer-sub p { font-size: 14px; color: var(--text-muted); margin-bottom: 14px; }
.footer-sub form {
  display: flex;
  gap: 10px;
  max-width: 320px;
}
.footer-sub input {
  flex: 1;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 14px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: border-color 0.25s;
}
.footer-sub input:focus { border-color: var(--primary); }
.footer-sub input::placeholder { color: var(--text-muted); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

/* Back to top */
.back-to-top {
  position: fixed;
  right: 30px;
  bottom: 30px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-sub);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 90;
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover {
  background: var(--primary);
  color: #0B0F14;
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(0,229,190,0.35);
}

/* Responsive */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .article-card { padding: 36px 32px; }
  .cta-banner { padding: 36px 32px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  :root { --space-section: 40px; }
  .container { padding: 0 16px; }
  .header-inner { gap: 12px; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 100%;
    background: rgba(11,15,20,0.98);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 28px;
    transform: translateY(-16px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
    gap: 0;
  }
  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-link {
    display: block;
    font-size: 18px;
    padding: 14px 8px;
    border-bottom: 1px solid rgba(34,48,58,0.6);
  }
  .nav-link::after { display: none; }
  .nav-toggle { display: flex; }
  .header-right .btn { display: none; }
  .breadcrumb { padding-top: 20px; }
  .article-card { padding: 28px 20px; margin-top: 16px; }
  .article-title { font-size: 26px; }
  .article-meta-line { font-size: 12px; gap: 6px; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 21px; }
  .article-content h3 { font-size: 18px; }
  .related-grid { grid-template-columns: 1fr; gap: 16px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .cta-banner { padding: 32px 20px; flex-direction: column; }
  .cta-form { width: 100%; flex-direction: column; }
  .cta-form input { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .back-to-top { right: 16px; bottom: 16px; }
}
@media (max-width: 520px) {
  .logo-text { font-size: 16px; }
  .article-title { font-size: 22px; }
  .section-head h2 { font-size: 22px; }
  .cta-info h2 { font-size: 22px; }
  .footer-sub form { flex-direction: column; }
  .container { padding: 0 14px; }
}

/* roulang page: category1 */
:root {
  --primary: #00E5BE;
  --primary-hover: #3CF0D0;
  --amber: #FFB020;
  --red: #FF4D4F;
  --bg: #0B0F14;
  --bg-panel: #12181F;
  --bg-card: #1A222B;
  --text-main: #F2F6F8;
  --text-sub: #A7B4BE;
  --text-muted: #5C6B76;
  --border: #22303A;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 12px rgba(0,0,0,.25);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.4);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  --space: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

input, button {
  font-family: inherit;
  font-size: 16px;
}

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

section[id] {
  scroll-margin-top: 80px;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  background: rgba(11, 15, 20, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  border-top: 3px solid var(--amber);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: calc(64px - 3px);
}

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

.logo-mark {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--primary);
  border-radius: 8px;
  color: var(--bg);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -.02em;
  flex-shrink: 0;
}

.logo-mark::after {
  content: "";
  position: absolute;
  right: -7px;
  top: 50%;
  width: 10px;
  height: 2px;
  background: var(--primary);
  transform: skewX(-30deg) translateY(-50%);
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .01em;
}

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

.nav-link {
  position: relative;
  padding: 8px 0;
  color: var(--text-main);
  font-size: 15px;
  font-weight: 500;
  transition: color .2s;
}

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

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

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: all .2s;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 20px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-sub);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 0 rgba(255, 176, 32, .5);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 176, 32, .5); }
  70% { box-shadow: 0 0 0 6px rgba(255, 176, 32, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 176, 32, 0); }
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 0;
  padding: 8px;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-main);
  border-radius: 2px;
  transition: all .3s;
}

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

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all .2s;
  line-height: 1.2;
}

.btn:hover {
  transform: translateY(-1px);
}

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

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

.btn-primary {
  background: var(--primary);
  color: var(--bg);
}

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

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

.btn-secondary:hover {
  background: rgba(0, 229, 190, .08);
}

.btn-amber {
  background: var(--amber);
  color: var(--bg);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.btn.success {
  background: var(--primary);
  color: var(--bg);
}

/* Hero */
.hero {
  position: relative;
  padding: 130px 0 96px;
  background: linear-gradient(115deg, rgba(11, 15, 20, .96) 20%, rgba(11, 15, 20, .72) 60%, rgba(11, 15, 20, .55)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(0, 229, 190, .35);
  background: rgba(0, 229, 190, .08);
  color: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 44px;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-sub);
  max-width: 520px;
  margin-bottom: 28px;
}

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

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-card-media {
  position: relative;
}

.hero-card-media img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.live-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(11, 15, 20, .75);
  border: 1px solid rgba(255, 77, 79, .5);
  color: var(--text-main);
  font-size: 12px;
  border-radius: 999px;
  font-weight: 600;
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
  animation: livePulse 1.2s infinite;
}

@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

.hero-card-body {
  padding: 18px 20px;
}

.mini-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: .1em;
}

.mini-title {
  font-size: 18px;
  font-weight: 600;
  margin-top: 4px;
}

.mini-meta {
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 6px;
}

/* Sections */
.section {
  padding: var(--space) 0;
}

.section-alt {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  max-width: 640px;
  margin-bottom: 40px;
}

.section-tag {
  display: inline-block;
  padding: 5px 12px;
  background: rgba(255, 176, 32, .1);
  border: 1px solid rgba(255, 176, 32, .35);
  color: var(--amber);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 30px;
  line-height: 1.3;
  margin-bottom: 10px;
}

.section-head p {
  color: var(--text-sub);
  font-size: 16px;
}

/* Feature */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-card {
  display: flex;
  gap: 18px;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all .25s;
}

.feature-card:hover {
  border-color: rgba(0, 229, 190, .5);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0, 229, 190, .1);
  color: var(--primary);
  flex-shrink: 0;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  font-weight: 600;
}

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

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
  margin-top: 16px;
}

.steps-grid::before {
  content: "";
  position: absolute;
  top: 30px;
  left: 8%;
  right: 8%;
  height: 1px;
  border-top: 1px dashed var(--border);
}

.step-item {
  position: relative;
  text-align: center;
  padding: 0 12px;
}

.step-number {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  margin: 0 auto 18px;
  background: var(--bg-card);
  border: 1px solid var(--primary);
  border-radius: 50%;
  color: var(--primary);
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
}

.step-item h3 {
  font-size: 20px;
  margin-bottom: 10px;
  font-weight: 600;
}

.step-item p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.75;
  max-width: 260px;
  margin: 0 auto;
}

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

.scene-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .25s;
}

.scene-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 190, .45);
  box-shadow: var(--shadow-lg);
}

.scene-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.scene-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s;
}

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

.scene-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 10px;
  background: rgba(11, 15, 20, .75);
  color: var(--primary);
  border: 1px solid rgba(0, 229, 190, .3);
  font-size: 12px;
  border-radius: 999px;
}

.scene-body {
  padding: 18px 20px 22px;
}

.scene-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* Resource */
.resource-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.resource-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 26px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all .25s;
}

.resource-card:hover {
  border-color: rgba(0, 229, 190, .5);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.resource-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.resource-tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(0, 229, 190, .1);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
}

.resource-index {
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--text-muted);
}

.resource-card h3 {
  font-size: 17px;
  font-weight: 600;
}

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

/* Data band */
.data-band {
  padding: 56px 0;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.data-item {
  text-align: center;
  padding: 16px;
}

.data-num {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.data-num span {
  font-size: 16px;
  margin-left: 4px;
}

.data-unit {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 6px;
}

.data-item p {
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 8px;
}

/* FAQ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s;
}

.faq-item.open {
  border-color: rgba(0, 229, 190, .5);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 18px 20px;
  background: transparent;
  border: 0;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  transition: color .2s;
}

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

.faq-icon {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  transition: transform .2s;
}

.faq-icon::before {
  width: 14px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px;
  height: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-item.open .faq-icon::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.faq-item.open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .2s ease-out;
}

.faq-inner {
  padding: 0 20px 18px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.8;
}

/* CTA */
.cta-section {
  padding: var(--space) 0;
}

.cta-box {
  position: relative;
  padding: 56px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
}

.cta-box h2 {
  font-size: 30px;
  margin-bottom: 12px;
}

.cta-box p {
  color: var(--text-sub);
  max-width: 480px;
  margin: 0 auto 24px;
}

.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto;
}

.form-input {
  flex: 1;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  outline: none;
  transition: border-color .2s;
}

.form-input:focus {
  border-color: var(--primary);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
  text-align: center;
}

/* Back top */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
  z-index: 90;
}

.back-top.show {
  opacity: 1;
  visibility: visible;
}

.back-top:hover {
  background: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
  transform: translateY(-3px);
}

/* Footer */
.site-footer {
  background: #080C10;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  padding: 48px 0 40px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-sub);
  max-width: 360px;
  line-height: 1.8;
}

.footer-nav h4,
.footer-sub h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 14px;
}

.footer-nav a {
  display: block;
  padding: 5px 0;
  color: var(--text-sub);
  font-size: 14px;
  transition: all .2s;
}

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

.footer-sub p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.footer-sub form {
  display: flex;
  gap: 8px;
}

.footer-sub .btn {
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    background: rgba(11, 15, 20, .98);
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--border);
  }

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

  .nav-link {
    padding: 14px 0;
    font-size: 18px;
    border-bottom: 1px solid var(--border);
  }

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

  .header-actions .status-pill {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding: 120px 0 64px;
  }

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

  .hero-subtitle {
    max-width: 100%;
  }

  .steps-grid {
    gap: 24px;
  }

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

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

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

@media (max-width: 768px) {
  :root {
    --space: 40px;
  }

  .site-header {
    height: 56px;
  }

  .header-inner {
    height: calc(56px - 3px);
  }

  .main-nav {
    top: 56px;
  }

  .logo-text {
    font-size: 16px;
  }

  .btn {
    padding: 10px 18px;
  }

  .hero {
    padding: 104px 0 48px;
  }

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

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

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

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

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

  .steps-grid::before {
    display: none;
  }

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

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

  .data-num {
    font-size: 34px;
  }

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

  .subscribe-form {
    flex-direction: column;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 32px;
  }
}

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

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

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

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

  .feature-card {
    flex-direction: column;
    padding: 22px;
  }

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

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

/* roulang page: category2 */
:root {
  --primary: #00E5BE;
  --primary-hover: #3CF0D0;
  --amber: #FFB020;
  --red: #FF4D4F;
  --bg: #0B0F14;
  --panel: #12181F;
  --card: #1A222B;
  --text: #F2F6F8;
  --text-secondary: #A7B4BE;
  --text-disabled: #5C6B76;
  --border: #22303A;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 12px rgba(0,0,0,0.25);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.4);
  --container: 1200px;
  --header-h: 64px;
  --space-lg: 64px;
  --space-md: 40px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; font-size: inherit; border: none; outline: none; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow {
  max-width: 880px;
}
.signal-bar {
  height: 3px;
  background: var(--amber);
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11,15,20,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: var(--bg);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  letter-spacing: -0.5px;
}
.brand-text {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: 40px;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 2px;
  position: relative;
  transition: color .2s;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 20px;
  height: 2px;
  background: var(--primary);
  transform: translateX(-50%) scaleX(0);
  transition: transform .2s;
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { transform: translateX(-50%) scaleX(1); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after { transform: translateX(-50%) scaleX(1); }
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-disabled);
  position: relative;
}
.live-dot.online {
  background: var(--primary);
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0,229,190,0.4); }
  70% { box-shadow: 0 0 0 8px rgba(0,229,190,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,229,190,0); }
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform .3s, opacity .3s;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all .2s;
  border: 1px solid transparent;
  line-height: 1;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: rgba(0,229,190,0.1);
}
.btn-sm {
  height: 36px;
  padding: 0 18px;
  font-size: 14px;
}
.btn-success {
  background: var(--amber);
  color: var(--bg);
}

/* ===== Hero ===== */
.page-hero {
  padding: calc(var(--header-h) + 3px + 64px) 0 72px;
  background: linear-gradient(100deg, rgba(11,15,20,0.95) 0%, rgba(11,15,20,0.78) 60%, rgba(11,15,20,0.5) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,229,190,0.1);
  border: 1px solid rgba(0,229,190,0.3);
  color: var(--primary);
  font-size: 13px;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.hero-lead {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 540px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.status-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.status-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,229,190,0.1);
  color: var(--primary);
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 999px;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}
.status-time {
  font-size: 13px;
  color: var(--text-disabled);
}
.status-data {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.status-item {
  background: var(--panel);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}
.status-num {
  display: block;
  font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.status-label {
  font-size: 12px;
  color: var(--text-disabled);
}
.status-footer {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.status-footer svg {
  flex-shrink: 0;
  color: var(--primary);
}

/* ===== 通用板块 ===== */
.section {
  padding: var(--space-lg) 0;
}
.section-alt {
  background: var(--panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 24px;
}
.section-head.center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.section-tag {
  font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  display: block;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.section-desc {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 420px;
  text-align: right;
}
.section-head.center .section-desc {
  text-align: center;
  max-width: 560px;
}

/* ===== 公告卡片 ===== */
.announcement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.announcement-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
  display: flex;
  flex-direction: column;
}
.announcement-card:hover {
  border-color: rgba(0,229,190,0.5);
  box-shadow: var(--shadow-hover);
}
.card-image {
  height: 180px;
  overflow: hidden;
  position: relative;
}
.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s;
}
.announcement-card:hover .card-image img {
  transform: scale(1.03);
}
.card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(0,229,190,0.1);
  color: var(--primary);
}
.card-date {
  font-size: 13px;
  color: var(--text-disabled);
}
.card-body h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
}
.card-body > p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 分类卡片 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.category-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.category-card:hover {
  border-color: rgba(0,229,190,0.5);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.category-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(0,229,190,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}
.category-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.category-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.category-example {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-disabled);
}

/* ===== 价值 ===== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.value-item {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
  text-align: center;
  transition: border-color .3s, box-shadow .3s;
}
.value-item:hover {
  border-color: rgba(0,229,190,0.5);
  box-shadow: var(--shadow-hover);
}
.value-num {
  font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  font-size: 34px;
  font-weight: 700;
  color: var(--primary);
  display: block;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.value-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}
.value-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== 通知渠道 ===== */
.channel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.channel-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color .3s, box-shadow .3s;
}
.channel-card:hover {
  border-color: rgba(0,229,190,0.5);
  box-shadow: var(--shadow-hover);
}
.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,176,32,0.1);
  color: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
}
.channel-card h3 {
  font-size: 17px;
  font-weight: 600;
}
.channel-card p {
  font-size: 14px;
  color: var(--text-secondary);
  flex: 1;
  line-height: 1.7;
}
.channel-tag {
  font-size: 13px;
  color: var(--primary);
  background: rgba(0,229,190,0.08);
  padding: 4px 12px;
  border-radius: 999px;
  align-self: flex-start;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color .3s;
}
.faq-item.active {
  border-color: rgba(0,229,190,0.5);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: color .2s;
}
.faq-question:hover {
  color: var(--primary);
}
.faq-icon {
  font-size: 20px;
  color: var(--primary);
  transition: transform .3s;
  flex-shrink: 0;
  line-height: 1;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s ease;
}
.faq-item.active .faq-answer {
  grid-template-rows: 1fr;
}
.faq-answer-inner {
  overflow: hidden;
  padding: 0 24px;
}
.faq-answer-inner p {
  padding-bottom: 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  padding: var(--space-lg) 0;
}
.cta-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 56px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--amber));
}
.cta-box h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-box > p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.cta-form {
  display: flex;
  max-width: 480px;
  margin: 0 auto;
  gap: 12px;
}
.cta-form input {
  flex: 1;
  height: 48px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 16px;
  color: var(--text);
  transition: border-color .2s;
  min-width: 0;
}
.cta-form input:focus {
  border-color: var(--primary);
}
.cta-form input::placeholder {
  color: var(--text-disabled);
}
.form-note {
  font-size: 13px;
  color: var(--text-disabled);
  margin-top: 16px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #080C10;
  border-top: 1px solid var(--border);
  padding-top: 56px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 360px;
}
.footer-logo .logo-mark {
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: var(--bg);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 14px;
}
.footer-logo .logo-text {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}
.footer-nav h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}
.footer-nav a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  transition: color .2s, padding-left .2s;
}
.footer-nav a:hover {
  color: var(--primary);
  padding-left: 4px;
}
.footer-sub h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}
.footer-sub p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.footer-sub form {
  display: flex;
  gap: 8px;
}
.footer-sub input {
  flex: 1;
  height: 40px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  color: var(--text);
  font-size: 14px;
  min-width: 0;
}
.footer-sub input:focus {
  border-color: var(--primary);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-disabled);
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== 回顶部 ===== */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: all .3s;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.back-top.show {
  opacity: 1;
  pointer-events: auto;
}
.back-top:hover {
  background: var(--primary);
  color: var(--bg);
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-status { display: none; }
  .announcement-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .channel-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .header-inner { height: 56px; }
  .site-header { --header-h: 56px; }
  .main-nav {
    position: fixed;
    top: calc(var(--header-h) + 3px);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    padding: 16px 0 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-left: 0;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform .3s ease, opacity .3s ease;
    z-index: 999;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link {
    font-size: 18px;
    padding: 14px 24px;
    width: 100%;
    border-bottom: 1px solid var(--border);
  }
  .header-actions {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .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 {
    padding: calc(var(--header-h) + 3px + 40px) 0 48px;
  }
  .page-hero h1 { font-size: 32px; }
  .hero-lead { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .section { padding: 40px 0; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-desc { text-align: left; }
  .section-head.center { align-items: center; }
  .section-head.center .section-desc { text-align: center; }
  .announcement-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .cta-form { flex-direction: column; }
  .cta-box { padding: 40px 20px; }
  .cta-box h2 { font-size: 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .back-top { right: 16px; bottom: 16px; }
}

/* roulang page: category3 */
:root {
  --primary: #00E5BE;
  --primary-hover: #3CF0D0;
  --accent: #FFB020;
  --danger: #FF4D4F;
  --bg: #0B0F14;
  --panel: #12181F;
  --card: #1A222B;
  --text: #F2F6F8;
  --text-secondary: #A7B4BE;
  --placeholder: #5C6B76;
  --border: #22303A;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 12px rgba(0,0,0,0.25);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.4);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-digit: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  --space-section: 80px;
  --space-section-mobile: 48px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
}

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

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

ul,
ol {
  list-style: none;
}

button,
input {
  font: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
  background: none;
}

input {
  background: transparent;
}

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

.signal-bar {
  height: 3px;
  background: var(--accent);
  position: relative;
  z-index: 101;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 20, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  height: 64px;
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  height: 64px;
}

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

.logo-mark {
  width: 34px;
  height: 34px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg);
  font-weight: 800;
  font-size: 13px;
  font-family: var(--font-digit);
  box-shadow: 0 0 18px rgba(0, 229, 190, 0.25);
  position: relative;
  overflow: hidden;
}

.logo-mark::after {
  content: '';
  position: absolute;
  right: -5px;
  top: -5px;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(11, 15, 20, 0.45);
  border-left: none;
  border-bottom: none;
  transform: rotate(45deg);
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.main-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 2px;
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.3s;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 20px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: flex-end;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--placeholder);
  position: relative;
  flex-shrink: 0;
}

.status-dot.live {
  background: var(--danger);
  animation: pulse 1.2s ease infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 77, 79, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(255, 77, 79, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 77, 79, 0); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform 0.1s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 0 20px rgba(0, 229, 190, 0.25);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(0, 229, 190, 0.08);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
}

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

.btn:disabled {
  background: var(--panel);
  color: var(--placeholder);
  border-color: var(--border);
  cursor: default;
  box-shadow: none;
  opacity: 0.8;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: var(--radius-sm);
  background: var(--panel);
  border: 1px solid var(--border);
}

.menu-toggle span {
  display: block;
  height: 2px;
  width: 18px;
  margin: 0 auto;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

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

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

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

/* ===== Hero ===== */
.hero {
  padding: 120px 0 80px;
  background:
    linear-gradient(120deg, rgba(11, 15, 20, 0.96) 20%, rgba(11, 15, 20, 0.85) 55%, rgba(11, 15, 20, 0.98) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: rgba(0, 229, 190, 0.08);
  border: 1px solid rgba(0, 229, 190, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  text-transform: uppercase;
}

.hero-eyebrow i {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 1.6s infinite;
}

.hero-content h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.2;
  margin: 20px 0 16px;
}

.hero-content h1 em {
  font-style: normal;
  color: var(--primary);
}

.hero-content .lead {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.hero-note {
  font-size: 13px;
  color: var(--placeholder);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-note i {
  font-style: normal;
  color: var(--primary);
}

/* Hero Console */
.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.console-panel {
  width: 100%;
  max-width: 420px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  position: relative;
}

.console-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.console-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(18, 24, 31, 0.8);
}

.console-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.console-dot.red { background: #FF5F57; }
.console-dot.yellow { background: #FEBC2E; }
.console-dot.green { background: #28C840; }

.console-title {
  margin-left: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

.console-body {
  padding: 24px 20px;
}

.console-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
}

.console-row:last-child {
  border-bottom: none;
}

.console-row span {
  color: var(--placeholder);
}

.console-row strong {
  color: var(--text);
  font-weight: 600;
  font-family: var(--font-digit);
  letter-spacing: 0.02em;
}

.console-progress {
  margin-top: 18px;
  padding: 12px 0;
  background: rgba(0, 229, 190, 0.04);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 14px;
}

.console-progress span {
  font-size: 13px;
  color: var(--text-secondary);
  padding-left: 12px;
  flex-shrink: 0;
}

.console-progress i {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 999px;
  display: block;
  overflow: hidden;
  margin-right: 12px;
}

.console-progress em {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
}

.console-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: rgba(11, 15, 20, 0.7);
  border-top: 1px solid var(--border);
  font-size: 12px;
}

.console-status {
  color: var(--primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.console-status i {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  display: inline-block;
}

.console-tag {
  color: var(--placeholder);
  border: 1px solid var(--border);
  padding: 2px 10px;
  border-radius: 999px;
}

/* ===== Section base ===== */
.section {
  padding: var(--space-section) 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
}

.section-desc {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: 12px;
}

/* ===== Scene cards ===== */
.scene-section {
  padding: var(--space-section) 0;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.scene-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.scene-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 190, 0.45);
  box-shadow: var(--shadow-hover);
}

.scene-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

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

.scene-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(11, 15, 20, 0.82);
  border: 1px solid rgba(0, 229, 190, 0.35);
  color: var(--primary);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.scene-body {
  padding: 24px;
}

.scene-body h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

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

.scene-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.scene-points li {
  background: rgba(0, 229, 190, 0.09);
  color: var(--primary);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 500;
}

/* ===== Process ===== */
.process-section {
  background: var(--panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-section) 0;
}

.process-list {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}

.process-list::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--primary), var(--border));
}

.process-item {
  position: relative;
  padding-left: 76px;
  padding-bottom: 40px;
}

.process-item:last-child {
  padding-bottom: 0;
}

.process-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 48px;
  height: 48px;
  background: var(--bg);
  border: 1px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-family: var(--font-digit);
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 0 0 4px rgba(0, 229, 190, 0.06);
}

.process-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

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

/* ===== Feature ===== */
.feature-section {
  padding: var(--space-section) 0;
}

.feature-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.feature-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.feature-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, transparent 40%, rgba(0, 229, 190, 0.08));
}

.feature-list {
  display: grid;
  gap: 24px;
}

.feature-item {
  display: flex;
  gap: 16px;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.feature-item:hover {
  border-color: rgba(0, 229, 190, 0.4);
  transform: translateX(4px);
}

.feature-icon {
  width: 42px;
  height: 42px;
  background: rgba(0, 229, 190, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  color: var(--primary);
}

.feature-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

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

/* ===== Service stats ===== */
.service-section {
  background: var(--panel);
  border-top: 1px solid var(--border);
  padding: var(--space-section) 0;
}

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

.stat-block {
  text-align: center;
  padding: 36px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.stat-block:hover {
  border-color: rgba(0, 229, 190, 0.35);
  transform: translateY(-2px);
}

.stat-num {
  font-family: var(--font-digit);
  font-size: 44px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.stat-num small {
  font-size: 20px;
  margin-left: 2px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.stat-desc {
  font-size: 13px;
  color: var(--placeholder);
  margin-top: 4px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--space-section) 0;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item.active {
  border-color: rgba(0, 229, 190, 0.45);
  box-shadow: 0 0 0 1px rgba(0, 229, 190, 0.15);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  transition: color var(--transition);
}

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

.faq-icon {
  font-size: 24px;
  color: var(--text-secondary);
  transition: transform 0.25s, color 0.25s;
  flex-shrink: 0;
  line-height: 1;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

.faq-answer p {
  padding: 0 20px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  margin: 0 0 0 20px;
  padding-left: 0;
  padding-top: 14px;
}

/* ===== CTA ===== */
.cta-section {
  padding: var(--space-section) 0;
  background:
    linear-gradient(180deg, rgba(11, 15, 20, 0.94) 0%, rgba(11, 15, 20, 0.94) 100%),
    url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  border-top: 1px solid var(--border);
}

.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
}

.cta-inner .cta-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-top: 12px;
}

.cta-form-row {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  text-align: left;
}

.cta-form-row input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text);
  font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.cta-form-row input::placeholder {
  color: var(--placeholder);
}

.cta-form-row input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 229, 190, 0.1);
}

.cta-form-row .btn {
  padding-left: 28px;
  padding-right: 28px;
}

.cta-note {
  font-size: 13px;
  color: var(--placeholder);
  margin-top: 14px;
}

/* ===== Footer ===== */
.site-footer {
  background: #080C10;
  border-top: 1px solid var(--border);
  padding-top: 56px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand {
  max-width: 360px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo .logo-mark {
  width: 34px;
  height: 34px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg);
  font-weight: 800;
  font-size: 13px;
  font-family: var(--font-digit);
}

.footer-logo .logo-text {
  font-size: 18px;
  font-weight: 700;
}

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

.footer-nav h4,
.footer-sub h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.footer-nav a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 5px 0;
  transition: color var(--transition), padding-left var(--transition);
}

.footer-nav a:hover {
  color: var(--primary);
  padding-left: 6px;
}

.footer-sub p {
  font-size: 13px;
  color: var(--placeholder);
  margin-bottom: 14px;
}

.footer-sub form {
  display: flex;
  gap: 8px;
}

.footer-sub input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  min-width: 0;
  transition: border-color var(--transition);
}

.footer-sub input::placeholder {
  color: var(--placeholder);
}

.footer-sub input:focus {
  border-color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--placeholder);
}

/* ===== Back top ===== */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition), border-color var(--transition);
  z-index: 90;
}

.back-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .header-inner {
    grid-template-columns: auto 1fr;
    gap: 16px;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(11, 15, 20, 0.98);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    display: none;
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
  }

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

  .nav-link {
    padding: 14px 8px;
    font-size: 17px;
    border-bottom: 1px solid rgba(34, 48, 58, 0.6);
  }

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

  .menu-toggle {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-visual {
    justify-content: center;
  }

  .console-panel {
    max-width: 480px;
  }

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

  .feature-media img {
    aspect-ratio: 16 / 9;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .site-header {
    height: 56px;
  }

  .header-inner {
    height: 56px;
  }

  .main-nav {
    top: 56px;
  }

  .logo-text {
    font-size: 16px;
  }

  .logo-mark {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }

  .hero {
    padding: 80px 0 48px;
  }

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

  .hero-content .lead {
    font-size: 16px;
  }

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

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

  .section {
    padding: var(--space-section-mobile) 0;
  }

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

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

  .process-list::before {
    left: 18px;
  }

  .process-item {
    padding-left: 58px;
    padding-bottom: 32px;
  }

  .process-num {
    width: 38px;
    height: 38px;
    font-size: 15px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .stat-num {
    font-size: 36px;
  }

  .cta-form-row {
    flex-direction: column;
    gap: 10px;
  }

  .cta-form-row .btn {
    width: 100%;
  }

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

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

  .back-top {
    right: 16px;
    bottom: 16px;
  }
}

@media (max-width: 520px) {
  .hero-content h1 {
    font-size: 26px;
  }

  .console-panel {
    transform: scale(0.96);
    transform-origin: center top;
  }

  .feature-item {
    flex-direction: column;
    gap: 10px;
  }
}

/* roulang page: category4 */
:root {
  --primary: #00E5BE;
  --primary-hover: #3CF0D0;
  --primary-dim: rgba(0, 229, 190, 0.10);
  --amber: #FFB020;
  --red: #FF4D4F;
  --bg-deep: #0B0F14;
  --bg-panel: #12181F;
  --bg-card: #1A222B;
  --bg-footer: #080C10;
  --text-main: #F2F6F8;
  --text-sub: #A7B4BE;
  --text-muted: #5C6B76;
  --border: #22303A;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.4);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  --container: 1200px;
  --gap: 64px;
  --gap-mobile: 40px;
  --transition: all 0.25s ease;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  background: var(--bg-deep);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  color: inherit;
}
button {
  cursor: pointer;
}
ul, ol {
  list-style: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(11, 15, 20, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: var(--bg-deep);
  font-size: 16px;
  font-weight: 800;
  border-radius: 6px;
  letter-spacing: -0.02em;
  position: relative;
}
.logo-mark::after {
  content: "";
  position: absolute;
  right: -5px;
  top: -3px;
  width: 10px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
  transform: rotate(28deg);
  opacity: 0.7;
}
.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  padding: 6px 2px;
  position: relative;
  transition: var(--transition);
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link:hover::after {
  width: 20px;
}
.nav-link.active {
  color: var(--primary);
}
.nav-link.active::after {
  width: 20px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}
.status-dot.live {
  background: var(--red);
  animation: pulse 1.4s infinite;
}
.status-dot.upcoming {
  background: var(--amber);
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 77, 79, 0.5);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(255, 77, 79, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 77, 79, 0);
  }
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: var(--bg-deep);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary-dim);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: var(--radius-pill);
}
.btn-amber {
  background: var(--amber);
  color: var(--bg-deep);
}
.btn-amber:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
}
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.burger span {
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}
.burger:hover span {
  background: var(--primary);
}
.mobile-panel {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-deep);
  padding: 32px 24px;
  z-index: 99;
  flex-direction: column;
  gap: 8px;
}
.mobile-panel.open {
  display: flex;
}
.mobile-nav-link {
  font-size: 24px;
  font-weight: 600;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
  transition: var(--transition);
}
.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--primary);
}
.mobile-panel .btn {
  margin-top: 24px;
  justify-content: center;
}
.ticker-bar {
  margin-top: 64px;
  height: 3px;
  background: var(--amber);
}
.page-hero {
  position: relative;
  padding: 88px 0 64px;
  background: var(--bg-panel);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}
.page-hero::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(0, 229, 190, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.hero-content {
  flex: 1;
  max-width: 720px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-dim);
  border: 1px solid rgba(0, 229, 190, 0.3);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}
.hero-badge i {
  font-size: 12px;
}
.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 16px;
}
.page-hero h1 span {
  color: var(--primary);
}
.hero-sub {
  font-size: 18px;
  line-height: 1.75;
  color: var(--text-sub);
  max-width: 640px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-side {
  flex-shrink: 0;
  width: 280px;
  text-align: center;
}
.hero-side-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px 20px;
  box-shadow: var(--shadow-card);
}
.hero-side-card .num-big {
  font-family: var(--font-num);
  font-size: 44px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.02em;
}
.hero-side-card .num-label {
  font-size: 14px;
  color: var(--text-sub);
  margin-top: 4px;
}
.hero-side-card .icon-ring {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 22px;
  margin-bottom: 16px;
}
.section {
  padding: 64px 0;
}
.section-alt {
  background: var(--bg-panel);
}
.section-head {
  margin-bottom: 40px;
  max-width: 680px;
}
.section-head .tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.section-head .tagline::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--primary);
  display: inline-block;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-sub);
  font-size: 15px;
}
.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.quick-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-card);
}
.quick-card:hover {
  border-color: rgba(0, 229, 190, 0.5);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.quick-card .icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--primary-dim);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.quick-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
}
.quick-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  flex: 1;
}
.quick-card .card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.quick-card .card-link:hover {
  gap: 12px;
}
.faq-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
}
.faq-side {
  position: sticky;
  top: 88px;
  align-self: start;
}
.faq-side h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}
.faq-side-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.faq-side-nav a {
  font-size: 14px;
  color: var(--text-sub);
  padding: 8px 12px;
  border-radius: 6px;
  transition: var(--transition);
  border-left: 2px solid transparent;
}
.faq-side-nav a:hover {
  color: var(--primary);
  background: var(--primary-dim);
}
.faq-side-nav a.active {
  color: var(--primary);
  border-left-color: var(--primary);
  background: var(--primary-dim);
}
.faq-group {
  margin-bottom: 40px;
}
.faq-group-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.faq-group-title::before {
  content: "";
  width: 4px;
  height: 20px;
  background: var(--primary);
  border-radius: 2px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}
.faq-item:hover {
  border-color: rgba(0, 229, 190, 0.3);
}
.faq-item.active {
  border-color: rgba(0, 229, 190, 0.5);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  transition: var(--transition);
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
  font-size: 18px;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease-out;
}
.faq-answer-inner {
  padding: 0 20px 20px;
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.8;
}
.faq-answer-inner ul {
  margin-top: 8px;
  padding-left: 4px;
}
.faq-answer-inner ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 4px;
  font-size: 14px;
}
.faq-answer-inner ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative;
}
.process-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}
.process-step:hover {
  border-color: rgba(0, 229, 190, 0.4);
  transform: translateY(-4px);
}
.step-num {
  font-family: var(--font-num);
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.process-step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
}
.process-step p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}
.cta-block {
  position: relative;
  padding: 64px 0;
  background: var(--bg-panel);
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-block::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 229, 190, 0.07) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}
.cta-inner p {
  color: var(--text-sub);
  font-size: 16px;
  margin-bottom: 28px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 32px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-logo .logo-mark {
  width: 28px;
  height: 28px;
  font-size: 14px;
}
.footer-logo .logo-text {
  font-size: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
  max-width: 340px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-nav h4,
.footer-sub h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}
.footer-nav a {
  font-size: 14px;
  color: var(--text-sub);
  transition: var(--transition);
}
.footer-nav a:hover {
  color: var(--primary);
  padding-left: 6px;
}
.footer-sub p {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 12px;
}
.footer-sub form {
  display: flex;
  gap: 8px;
  max-width: 320px;
}
.footer-sub input {
  flex: 1;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text-main);
  transition: var(--transition);
}
.footer-sub input:focus {
  outline: none;
  border-color: var(--primary);
}
.footer-sub input::placeholder {
  color: var(--text-muted);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
}
.footer-bottom span {
  font-size: 13px;
  color: var(--text-muted);
}
.back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 90;
}
.back-top.show {
  opacity: 1;
  visibility: visible;
}
.back-top:hover {
  background: var(--primary);
  color: var(--bg-deep);
  transform: translateY(-4px);
}
@media (max-width: 1024px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .header-actions .status-dot {
    display: none;
  }
  .main-nav {
    gap: 20px;
  }
  .hero-side {
    width: 220px;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .faq-side {
    position: static;
  }
  .faq-side-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }
  .faq-side-nav a {
    border-left: none;
    border-bottom: 2px solid transparent;
  }
  .faq-side-nav a.active {
    border-left: none;
    border-bottom-color: var(--primary);
  }
}
@media (max-width: 768px) {
  .main-header {
    height: 56px;
  }
  .header-inner {
    height: 56px;
    padding-left: 16px;
    padding-right: 16px;
  }
  .ticker-bar {
    margin-top: 56px;
  }
  .main-nav {
    display: none;
  }
  .header-actions .btn {
    display: none;
  }
  .burger {
    display: flex;
  }
  .logo-text {
    font-size: 16px;
  }
  .page-hero {
    padding: 64px 0 48px;
  }
  .hero-inner {
    flex-direction: column;
    gap: 32px;
    text-align: left;
  }
  .hero-side {
    width: 100%;
  }
  .page-hero h1 {
    font-size: 30px;
  }
  .hero-sub {
    font-size: 16px;
  }
  .section {
    padding: 40px 0;
  }
  .section-head h2 {
    font-size: 22px;
  }
  .quick-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .cta-block {
    padding: 40px 0;
  }
  .cta-inner h2 {
    font-size: 24px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .back-top {
    bottom: 20px;
    right: 20px;
  }
  .hero-actions .btn,
  .cta-actions .btn {
    width: 100%;
  }
}
@media (max-width: 520px) {
  .footer-bottom .container {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-sub form {
    flex-direction: column;
    width: 100%;
  }
  .footer-sub .btn {
    width: 100%;
  }
  .faq-question {
    font-size: 15px;
    padding: 16px;
  }
  .faq-answer-inner {
    padding: 0 16px 16px;
    font-size: 14px;
  }
}