/* roulang page: index */
:root{
  --bg:#0A0D16;
  --bg-2:#0e1220;
  --panel:#121828;
  --panel-2:#1A2133;
  --panel-3:#151B2D;
  --text:#F0F2F8;
  --muted:#A9B4D0;
  --faint:#68738F;
  --purple:#8C5CFF;
  --magenta:#FF4D8C;
  --teal:#23E6CC;
  --warning:#FFC65E;
  --success:#2DDE9A;
  --danger:#FF5B6A;
  --border:rgba(255,255,255,0.09);
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 4px 20px rgba(0,0,0,0.18);
  --shadow-lg:0 18px 48px rgba(0,0,0,0.26);
  --grad:linear-gradient(135deg,#8C5CFF 0%,#FF4D8C 100%);
  --grad-soft:linear-gradient(135deg,rgba(140,92,255,0.16) 0%,rgba(255,77,140,0.10) 100%);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","-apple-system",BlinkMacSystemFont,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--teal);text-decoration:none;transition:color .24s ease;}
a:hover{color:var(--purple);}
button,input,select,textarea{font-family:inherit;font-size:1rem;outline:none;}
p,h1,h2,h3,h4{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:2;}
.section{padding:96px 0;position:relative;}
.section-title{
  font-size:34px;
  font-weight:700;
  line-height:1.2;
  margin-bottom:16px;
  color:var(--text);
}
.section-sub{
  font-size:17px;
  color:var(--muted);
  line-height:1.8;
  max-width:680px;
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:48px;
}
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:transparent;
}
.neon-line{
  display:inline-flex;
  width:44px;
  height:4px;
  border-radius:99px;
  background:linear-gradient(90deg,#8C5CFF,#23E6CC);
  box-shadow:0 0 14px rgba(35,230,204,0.5);
  margin-bottom:20px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  letter-spacing:.01em;
  cursor:pointer;
  border:1px solid transparent;
  transition:all .28s ease;
  text-align:center;
  white-space:nowrap;
}
.btn svg,.btn i{font-size:14px;}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 8px 30px rgba(140,92,255,0.25);
}
.btn-primary:hover{
  transform:translateY(-2px);
  color:#fff;
  box-shadow:0 14px 42px rgba(140,92,255,0.36);
}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96);}
.btn-ghost{
  background:rgba(255,255,255,0.02);
  color:#ECECFF;
  border-color:rgba(255,255,255,0.24);
}
.btn-ghost:hover{
  border-color:var(--purple);
  color:#fff;
  box-shadow:0 0 0 4px rgba(140,92,255,0.12),0 8px 24px rgba(0,0,0,0.18);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:none;}
.btn:focus-visible,.faq-trigger:focus-visible,.nav-toggle:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:3px;
}

/* header & nav */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:90;
  height:72px;
  background:rgba(11,14,22,0.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,0.07);
}
.nav-inner{
  max-width:1320px;
  height:72px;
  margin:0 auto;
  padding:0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.brand-icon{
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--grad);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:17px;
  box-shadow:0 6px 18px rgba(140,92,255,0.32);
}
.brand-text{
  font-size:18px;
  font-weight:700;
  color:#fff;
  letter-spacing:.01em;
  line-height:1.2;
}
.brand-text strong{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  font-weight:800;
}
.main-nav ul{
  display:flex;
  align-items:center;
  gap:4px;
}
.main-nav a{
  display:inline-flex;
  align-items:center;
  height:72px;
  padding:0 16px;
  color:var(--muted);
  font-size:15px;
  font-weight:500;
  position:relative;
  transition:color .24s ease;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:10px;
  height:3px;
  border-radius:99px;
  background:linear-gradient(90deg,#8C5CFF,#FF4D8C);
  box-shadow:0 0 10px rgba(255,77,140,0.44);
  opacity:0;
  transform:scaleX(.4);
  transition:all .26s ease;
}
.main-nav a:hover{
  color:#fff;
  text-shadow:0 0 10px rgba(255,255,255,0.55);
}
.main-nav a:hover::after{
  opacity:.6;
  transform:scaleX(.9);
}
.main-nav a.active{
  color:#fff;
  text-shadow:0 0 10px rgba(255,255,255,0.6);
}
.main-nav a.active::after{
  opacity:1;
  transform:scaleX(1);
}
.nav-cta{
  display:flex;
  align-items:center;
  gap:16px;
  flex:0 0 auto;
}
.nav-cta .btn{
  height:42px;
  padding:0 22px;
  font-size:14px;
}
.nav-toggle{
  display:none;
  width:46px;
  height:42px;
  border-radius:999px;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  color:#fff;
  font-size:18px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:all .2s;
}
.nav-toggle:hover{background:rgba(140,92,255,0.14);}
.mobile-menu{
  display:none;
  flex-direction:column;
  background:#0B0E16;
  border-bottom:1px solid rgba(255,255,255,0.08);
  padding:12px 20px 24px;
}
.mobile-menu.open{display:flex;}
.mobile-menu a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 18px;
  color:var(--muted);
  font-size:18px;
  font-weight:500;
  border-radius:14px;
}
.mobile-menu a:hover,.mobile-menu a.active{
  color:#fff;
  background:rgba(140,92,255,0.08);
}
.mobile-menu a.active{
  box-shadow:inset 0 0 0 1px rgba(140,92,255,0.28);
}
.mobile-menu .menu-cta{
  margin-top:14px;
}

/* hero */
.hero{
  position:relative;
  min-height:780px;
  display:flex;
  align-items:center;
  background:var(--bg);
  overflow:hidden;
  padding:120px 0 80px;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:1;
  background-image:linear-gradient(105deg,rgba(6,8,14,0.96) 10%,rgba(10,13,22,0.82) 52%,rgba(90,20,80,0.42) 100%),url('/assets/images/backpic/back-1.png');
  background-position:right center,center;
  background-size:cover,cover;
  background-repeat:no-repeat;
}
.hero-bg::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-80px;
  width:560px;
  height:560px;
  background:radial-gradient(circle,rgba(140,92,255,0.32) 0%,rgba(255,77,140,0.12) 44%,transparent 70%);
  filter:blur(60px);
  pointer-events:none;
}
.hero-grid{
  display:flex;
  align-items:center;
  gap:64px;
}
.hero-copy{
  flex:1.1;
  position:relative;
  z-index:3;
}
.hero-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 18px;
  border-radius:999px;
  background:rgba(35,230,204,0.10);
  border:1px solid rgba(35,230,204,0.24);
  color:#BFFBF4;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  margin-bottom:24px;
}
.hero h1{
  font-size:46px;
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.01em;
  color:#fff;
  margin-bottom:20px;
}
.hero h1 span{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-lead{
  font-size:18px;
  color:var(--muted);
  max-width:520px;
  margin-bottom:18px;
  line-height:1.8;
}
.hero-mini{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--faint);
  font-size:14px;
  margin-bottom:34px;
}
.hero-mini i{color:var(--teal);}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;align-items:center;}
.hero-actions-bottom{margin-top:38px;}
.scroll-down{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--faint);
  font-size:13px;
  transition:color .2s;
}
.scroll-down i{transition:transform .2s;}
.scroll-down:hover{color:#fff;}
.scroll-down:hover i{transform:translateY(4px);}

.hero-visual{
  flex:.9;
  position:relative;
  z-index:3;
}
.hero-card{
  position:relative;
  border-radius:32px;
  border:1px solid rgba(255,255,255,0.12);
  background:rgba(18,24,40,0.78);
  backdrop-filter:blur(12px);
  padding:18px;
  box-shadow:0 20px 70px rgba(0,0,0,0.40);
}
.hero-shot{
  border-radius:24px;
  overflow:hidden;
  background:#1A2133;
  aspect-ratio:4/3;
  min-height:300px;
}
.hero-shot img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-statusbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 6px 6px;
  font-size:13px;
  color:var(--muted);
}
.status-dot{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--success);
}
.status-dot i{font-size:8px;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  margin-top:18px;
}
.mini-stat{
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  padding:14px 12px;
  border-radius:18px;
}
.mini-stat strong{
  display:block;
  font-size:22px;
  font-weight:800;
  letter-spacing:-.5px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.mini-stat span{
  display:block;
  margin-top:4px;
  font-size:12px;
  color:var(--faint);
  line-height:1.4;
}
.floating-badge{
  position:absolute;
  background:rgba(18,24,40,0.9);
  border:1px solid rgba(35,230,204,0.24);
  border-radius:16px;
  padding:12px 16px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  box-shadow:0 12px 40px rgba(0,0,0,0.3);
  backdrop-filter:blur(10px);
}
.floating-badge i{
  width:34px;
  height:34px;
  border-radius:50%;
  background:rgba(35,230,204,0.12);
  color:var(--teal);
  display:flex;
  align-items:center;
  justify-content:center;
}
.float-1{top:-26px;left:18px;transform:rotate(-3deg);}
.float-1 i{color:var(--warning);background:rgba(255,198,94,0.12);}
.float-2{bottom:36px;right:-20px;}
.float-2 i{color:var(--success);background:rgba(45,222,154,0.12);}
@media (max-width:1024px){
  .floating-badge.float-2{right:10px;bottom:-12px;}
}

/* value section */
.value-section{
  position:relative;
  background:var(--bg-2);
  overflow:hidden;
}
.value-section::before{
  content:"";
  position:absolute;
  left:-220px;
  bottom:-220px;
  width:520px;
  height:520px;
  background:radial-gradient(circle,rgba(255,77,140,0.10) 0%,transparent 70%);
  pointer-events:none;
}
.value-grid{
  display:flex;
  align-items:center;
  gap:70px;
}
.value-media{
  flex:.95;
  position:relative;
}
.value-media-img{
  border-radius:32px;
  overflow:hidden;
  background:#1A2133;
  box-shadow:var(--shadow-lg);
  position:relative;
  z-index:2;
}
.value-media-img img{
  width:100%;
  height:100%;
  min-height:420px;
  object-fit:cover;
}
.value-media::after{
  content:"";
  position:absolute;
  right:-20px;
  bottom:-20px;
  width:60%;
  height:60%;
  border-radius:32px;
  border:1px solid rgba(140,92,255,0.26);
  z-index:1;
}
.value-content{
  flex:1.05;
}
.value-title{
  font-size:34px;
  font-weight:800;
  color:#fff;
  line-height:1.3;
  margin:14px 0 18px;
}
.value-desc{
  color:var(--muted);
  margin-bottom:12px;
  font-size:15px;
}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  margin-top:30px;
}
.feature-item{
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.07);
  border-radius:20px;
  padding:22px 18px;
  display:flex;
  gap:14px;
  transition:all .28s ease;
}
.feature-item:hover{
  border-color:rgba(140,92,255,0.36);
  background:rgba(140,92,255,0.05);
  transform:translateY(-3px);
  box-shadow:0 12px 26px rgba(0,0,0,0.16);
}
.feature-icon{
  width:44px;
  height:44px;
  flex:0 0 44px;
  border-radius:14px;
  background:var(--grad-soft);
  color:var(--purple);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
}
.feature-item h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:6px;}
.feature-item p{font-size:13px;color:var(--muted);line-height:1.65;}

/* news cms */
.news-section{
  background:var(--bg);
}
.news-frame{
  display:flex;
  flex-wrap:wrap;
  gap:32px;
}
.news-main-col{
  flex:1.1;
  min-width:320px;
}
.news-side-col{
  flex:.95;
  min-width:280px;
}
.feature-card{
  height:100%;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:28px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,border .25s ease,box-shadow .25s ease;
}
.feature-card:hover{
  transform:translateY(-4px);
  border-color:rgba(140,92,255,0.5);
  box-shadow:0 18px 48px rgba(0,0,0,0.34),0 0 26px rgba(140,92,255,0.10);
}
.feature-card-media{
  position:relative;
  overflow:hidden;
  min-height:230px;
  background:#0E1322;
}
.feature-card-media img{
  width:100%;
  height:260px;
  object-fit:cover;
  transition:transform .4s ease;
}
.feature-card:hover .feature-card-media img{transform:scale(1.03);}
.feature-card-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 52%,rgba(8,10,16,0.84) 100%);
}
.badge-cat{
  position:absolute;
  z-index:4;
  top:16px;
  left:16px;
  background:rgba(140,92,255,0.9);
  color:#fff;
  font-size:12px;
  font-weight:600;
  padding:6px 14px;
  border-radius:999px;
}
.feature-card-body{
  padding:24px 28px 26px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.feature-card-body h3{
  font-size:22px;
  line-height:1.45;
  color:#fff;
  font-weight:700;
  margin-bottom:12px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.feature-card-body p{
  color:var(--muted);
  font-size:14px;
  margin-bottom:18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-footer-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--faint);
}
.card-footer-meta .tag{
  color:var(--teal);
  font-weight:500;
  background:rgba(35,230,204,0.06);
  padding:4px 12px;
  border-radius:999px;
}
.news-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.news-list-item{
  display:flex;
  gap:16px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:22px;
  padding:14px;
  transition:all .24s ease;
}
.news-list-item:hover{
  transform:translateY(-2px);
  border-color:rgba(140,92,255,0.36);
  background:var(--panel-3);
  box-shadow:0 10px 28px rgba(0,0,0,0.16);
}
.news-list-thumb{
  width:112px;
  flex:0 0 112px;
  border-radius:16px;
  overflow:hidden;
  background:#1A2133;
  min-height:84px;
}
.news-list-thumb img{
  width:100%;
  height:100%;
  min-height:84px;
  object-fit:cover;
}
.news-list-body{
  flex:1;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  min-width:0;
}
.news-list-body h3{
  font-size:16px;
  font-weight:700;
  color:#fff;
  line-height:1.5;
  margin-bottom:6px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-list-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  color:var(--faint);
}
.news-list-meta .tag{
  color:var(--purple);
  background:rgba(140,92,255,0.10);
  padding:3px 10px;
  border-radius:999px;
}
.empty-state{
  background:var(--panel);
  border:1px dashed rgba(255,255,255,0.14);
  height:180px;
  border-radius:24px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  color:var(--faint);
  font-size:15px;
}

/* category portal */
.portal-section{
  background:var(--bg-2);
}
.portal-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.portal-card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:28px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:all .26s ease;
}
.portal-card:hover{
  transform:translateY(-6px);
  border-color:rgba(140,92,255,0.46);
  box-shadow:0 18px 44px rgba(0,0,0,0.24);
}
.portal-card-media{
  height:156px;
  overflow:hidden;
  background:#1A2133;
  position:relative;
}
.portal-card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s;
}
.portal-card:hover .portal-card-media img{transform:scale(1.05);}
.portal-card-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,8,14,0.0) 40%,rgba(6,8,14,0.85) 100%);
}
.portal-body{
  padding:22px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.portal-body h3{
  font-size:19px;
  font-weight:700;
  color:#fff;
  margin-bottom:8px;
}
.portal-body p{
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
  flex:1;
  margin-bottom:18px;
}
.portal-link{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--teal);
  font-size:14px;
  font-weight:600;
}
.portal-link i{transition:transform .2s;}
.portal-card:hover .portal-link i{transform:translateX(5px);}
@media(max-width:980px){
  .portal-grid{grid-template-columns:repeat(2,1fr);}
}

/* safety & stats */
.safety-section{
  position:relative;
  background:
    radial-gradient(circle at 70% 20%,rgba(140,92,255,0.10),transparent 46%),
    var(--bg);
  overflow:hidden;
}
.safety-panel{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:36px;
  padding:56px 56px 48px;
  position:relative;
  overflow:hidden;
}
.safety-panel::before{
  content:"";
  position:absolute;
  right:-90px;
  top:-90px;
  width:250px;
  height:250px;
  border-radius:50%;
  background:radial-gradient(circle,#8C5CFF,transparent 70%);
  opacity:.12;
  filter:blur(16px);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:34px;
  margin-top:30px;
}
.stat-item{
  text-align:center;
  padding:14px 4px;
  border-radius:24px;
  transition:all .25s ease;
}
.stat-item:hover{
  background:rgba(255,255,255,0.025);
}
.stat-icon{
  width:52px;
  height:52px;
  margin:0 auto 14px;
  border-radius:16px;
  background:linear-gradient(135deg,rgba(140,92,255,0.12),rgba(255,77,140,0.10));
  color:var(--purple);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
}
.stat-item strong{
  display:block;
  font-size:40px;
  font-weight:800;
  letter-spacing:-.5px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  margin:4px 0 6px;
}
.stat-item span{
  color:var(--muted);
  font-size:14px;
}
.safety-subline{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
  margin-top:38px;
}
.safety-chip{
  padding:10px 20px;
  background:rgba(255,255,255,0.036);
  border:1px solid var(--border);
  border-radius:999px;
  color:var(--muted);
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.safety-chip i{color:var(--teal);font-size:13px;}

/* faq */
.faq-section{
  background:var(--bg);
}
.faq-wrap{
  max-width:860px;
  margin-left:auto;
  margin-right:auto;
}
.faq-head{
  text-align:center;
  margin-bottom:46px;
}
.faq-head .section-title{margin-bottom:10px;}
.faq-head .section-sub{margin:0 auto;}
.faq-list{
  display:grid;
  gap:14px;
}
.faq-item{
  background:var(--panel-3);
  border:1px solid var(--border);
  border-radius:20px;
  transition:border-color .28s ease,background .28s ease;
}
.faq-item.active{
  border-color:rgba(140,92,255,0.36);
  background:var(--panel);
}
.faq-trigger{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 24px;
  background:transparent;
  border:0;
  color:#fff;
  font-size:16px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  border-radius:20px;
  line-height:1.5;
}
.faq-icon{
  flex:0 0 32px;
  width:32px;
  height:32px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(140,92,255,0.1);
  color:var(--purple);
  font-size:16px;
  transition:transform .3s ease,background .3s ease;
}
.faq-item.active .faq-icon{
  transform:rotate(45deg);
  background:var(--grad);
  color:#fff;
}
.faq-content{
  padding:0 24px;
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease,padding .3s ease;
}
.faq-item.active .faq-content{
  padding:0 24px 20px;
  max-height:300px;
}
.faq-content p{
  color:var(--muted);
  font-size:14px;
  line-height:1.85;
}
.faq-foot{
  text-align:center;
  margin-top:38px;
}
.faq-foot .btn{height:44px;}

/* cta */
.cta-section{
  position:relative;
  background:var(--bg-2);
  padding:90px 0;
}
.cta-card{
  background:linear-gradient(135deg,rgba(140,92,255,0.16),rgba(255,77,140,0.10)),var(--panel);
  border:1px solid rgba(140,92,255,0.24);
  border-radius:36px;
  padding:64px 56px;
  position:relative;
  overflow:hidden;
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-180px;
  top:-80px;
  width:360px;
  height:360px;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.16;
  border-radius:50%;
  filter:blur(2px);
}
.cta-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  position:relative;
  z-index:4;
}
.cta-copy{
  flex:1;
  min-width:280px;
}
.cta-copy h2{
  font-size:30px;
  font-weight:800;
  line-height:1.4;
  color:#fff;
  margin-bottom:10px;
}
.cta-copy p{color:var(--muted);font-size:15px;}
.cta-form-col{
  flex:.6;
  min-width:300px;
}
.sub-form{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:16px;
}
.sub-input{
  flex:1;
  min-width:220px;
  height:48px;
  background:rgba(10,13,22,0.5);
  border:1px solid rgba(255,255,255,0.16);
  border-radius:999px;
  padding:0 20px;
  color:#fff;
  font-size:15px;
  transition:all .24s ease;
}
.sub-input::-webkit-input-placeholder{color:var(--faint);}
.sub-input::placeholder{color:var(--faint);}
.sub-input:focus{
  border-color:var(--purple);
  box-shadow:0 0 0 4px rgba(140,92,255,0.16);
}
.sub-form .btn-primary{height:48px;}
.form-success,.form-error{
  font-size:13px;
  margin-top:12px;
  display:none;
  align-items:center;
  gap:7px;
}
.form-success.show{display:inline-flex;color:var(--success);}
.form-error.show{display:inline-flex;color:var(--danger);}

/* footer */
.site-footer{
  background:#070A11;
  padding:70px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .9fr .9fr 1.1fr;
  gap:42px;
  padding-bottom:46px;
}
.footer-about{
  max-width:340px;
}
.footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
  color:#fff;
  font-size:18px;
  font-weight:700;
}
.footer-logo .brand-text{font-size:17px;}
.footer-logo strong{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  font-weight:800;
}
.footer-about p{
  color:var(--faint);
  font-size:14px;
  line-height:1.8;
}
.footer-col h4{
  color:#fff;
  font-size:16px;
  margin-bottom:14px;
  font-weight:600;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{
  color:var(--faint);
  font-size:14px;
  line-height:1.6;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{
  color:var(--purple);
  padding-left:4px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:26px 0;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  color:var(--faint);
  font-size:13px;
}
.footer-bottom a{color:var(--faint);}
.footer-bottom a:hover{color:var(--teal);}

/* responsive */
@media (max-width:1024px){
  .section{padding:78px 0;}
  .main-nav,.desktop-nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .mobile-menu{display:none;}
  .mobile-menu.open{display:flex;}
  .hero-grid{flex-direction:column;gap:52px;}
  .hero-copy{width:100%;}
  .hero-visual{width:100%;max-width:560px;}
  .hero{padding-top:130px;min-height:auto;}
  .value-grid{flex-direction:column-reverse;gap:56px;}
  .value-content,.value-media{width:100%;}
  .cta-card{padding:46px 32px;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .nav-inner{padding:0 20px;}
  .container{padding:0 20px;}
  .section-title{font-size:26px;}
  .hero h1{font-size:34px;}
  .feature-grid{grid-template-columns:1fr;}
  .news-frame{flex-direction:column;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .portal-grid{grid-template-columns:1fr 1fr;gap:16px;}
}
@media (max-width:520px){
  .hero h1{font-size:29px;}
  .hero-lead{font-size:16px;}
  .hero-btns .btn{width:100%;}
  .hero-btns .btn-ghost{margin-left:0;}
  .portal-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-item strong{font-size:30px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-card{padding:38px 22px;border-radius:28px;}
  .sub-form .sub-input{width:100%;flex-basis:100%;}
  .sub-form .btn{width:100%;}
  .safety-panel{padding:34px 22px;}
  .hero-card{padding:12px;}
  .news-list-thumb{width:92px;flex-basis:92px;}
  .value-media-img img{min-height:282px;}
  .feature-card-body h3{font-size:18px;}
}

/* roulang page: category1 */
:root {
    --primary: #8C5CFF;
    --primary-light: #A87FFF;
    --pink: #FF4D8C;
    --cyan: #23E6CC;
    --warning: #FFC65E;
    --success: #2DDE9A;
    --danger: #FF5B6A;
    --text-main: #F0F2F8;
    --text-sub: #A9B4D0;
    --text-mute: #68738F;
    --panel: #121828;
    --panel-light: #1A2133;
    --panel-soft: #151B2D;
    --bg-dark: #0A0D16;
    --bg-header: #0B0E16;
    --border-light: rgba(255,255,255,0.09);
    --gradient-brand: linear-gradient(135deg, #8C5CFF 0%, #FF4D8C 100%);
    --gradient-text: linear-gradient(135deg, #8C5CFF 0%, #FF4D8C 100%);
    --radius-card: 24px;
    --radius-lg: 32px;
    --shadow-card: 0 4px 20px rgba(0,0,0,0.18);
    --shadow-hover: 0 18px 48px rgba(0,0,0,0.26), 0 0 30px rgba(140,92,255,0.12);
    --space-section: 96px;
    --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "-apple-system", sans-serif;
  }

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

  html { scroll-behavior: smooth; }

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

  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; transition: all .25s ease; }
  ul, ol { list-style: none; }
  button { font-family: inherit; cursor: pointer; }

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

  .section-space { padding: 96px 0; }

  /* ======= Buttons ======= */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 32px;
    border-radius: 999px;
    border: none;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: .02em;
    transition: all .25s ease;
    text-align: center;
    line-height: 1;
    white-space: nowrap;
  }
  .btn i { font-size: 14px; }

  .btn-primary {
    background: var(--gradient-brand);
    color: #fff;
    box-shadow: 0 10px 34px rgba(140, 92, 255, 0.25), 0 4px 12px rgba(0,0,0,0.2);
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 44px rgba(140, 92, 255, 0.35), 0 6px 18px rgba(255, 77, 140, 0.15);
    color: #fff;
  }
  .btn-primary:active { transform: translateY(0); filter: brightness(.88); }

  .btn-secondary {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.16);
    color: #ECECFF;
    backdrop-filter: blur(8px);
  }
  .btn-secondary:hover {
    border-color: rgba(140, 92, 255, .7);
    box-shadow: 0 0 24px rgba(140, 92, 255, 0.14);
    color: #fff;
  }

  .btn-sm { height: 40px; padding: 0 20px; font-size: 14px; }
  .btn-lg { height: 54px; padding: 0 44px; font-size: 16px; }

  :focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
    border-radius: 6px;
  }
  :focus { outline: none; }
  a:focus-visible, button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

  /* ======= Header/Nav ======= */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(11, 14, 22, .93);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,255,255,.07);
    height: 72px;
    display: flex;
    align-items: center;
  }

  .nav-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    width: 100%;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    margin-right: 8px;
  }
  .brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--gradient-brand);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 0 20px rgba(140, 92, 255, 0.28);
  }
  .brand-text {
    font-size: 18px;
    font-weight: 500;
    color: #fff;
    letter-spacing: .01em;
  }
  .brand-text strong {
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-left: 2px;
  }

  .main-nav { flex: 1; }
  .main-nav ul {
    display: flex;
    align-items: center;
    gap: 2px;
    margin: 0;
    justify-content: center;
  }
  .main-nav a {
    display: block;
    padding: 10px 22px;
    color: var(--text-sub);
    font-size: 15px;
    font-weight: 500;
    border-radius: 999px;
    position: relative;
    transition: all .25s;
    letter-spacing: .01em;
  }
  .main-nav a:hover {
    color: #fff;
    background: rgba(255,255,255,.05);
  }
  .main-nav a.active {
    color: #fff;
    text-shadow: 0 0 10px rgba(255,255,255,.55);
  }
  .main-nav a.active::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 2px;
    transform: translateX(-50%);
    width: 34px;
    height: 3px;
    border-radius: 4px;
    background: var(--gradient-brand);
    box-shadow: 0 0 12px rgba(140, 92, 255, .7);
  }

  .desktop-nav-cta { flex-shrink: 0; }

  .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    background: rgba(255,255,255,.04);
    color: #fff;
    font-size: 17px;
    align-items: center;
    justify-content: center;
    transition: all .25s;
    flex-shrink: 0;
  }
  .nav-toggle:hover { border-color: rgba(140,92,255,.6); background: rgba(140,92,255,.12); }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 99;
    background: rgba(10, 13, 22, .97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,.08);
    padding: 18px 24px 26px;
    box-shadow: 0 24px 40px rgba(0,0,0,.4);
  }
  .mobile-menu.show { display: block; }
  .mobile-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    margin-bottom: 4px;
    border-radius: 16px;
    color: var(--text-sub);
    font-size: 16px;
    font-weight: 500;
  }
  .mobile-menu a i { width: 18px; font-size: 15px; opacity: .8; }
  .mobile-menu a:hover { background: rgba(255,255,255,.06); color: #fff; }
  .mobile-menu a.active {
    background: rgba(140,92,255,.14);
    color: #fff;
    border: 1px solid rgba(140,92,255,.28);
  }
  .menu-cta.btn { margin-top: 10px; width: 100%; justify-content: center; }

  /* ======= Page Hero ======= */
  .page-hero {
    position: relative;
    padding: 180px 0 90px;
    background: var(--bg-dark);
    overflow: hidden;
  }
  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    opacity: .35;
  }
  .page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10,13,22,.82) 0%, rgba(10,13,22,.75) 50%, rgba(10,13,22,.94) 100%);
  }
  .page-hero .container { position: relative; z-index: 2; }

  .page-hero .tag-line {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 999px;
    background: rgba(140,92,255,.14);
    border: 1px solid rgba(140,92,255,.3);
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
    margin-bottom: 22px;
  }
  .page-hero .tag-line i { color: var(--cyan); font-size: 12px; }

  .page-hero h1 {
    font-size: 50px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    color: #fff;
    letter-spacing: -.01em;
  }
  .page-hero h1 .gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  .page-hero .lead {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-sub);
    max-width: 640px;
    margin-bottom: 34px;
  }
  .page-hero .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

  .hero-badge-card {
    background: rgba(18,24,40,.6);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 20px;
    padding: 24px;
    backdrop-filter: blur(4px);
    max-width: 320px;
    margin-top: 30px;
  }
  .hero-badge-card .mini-stat-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 14px;
    color: var(--text-sub);
    padding: 8px 0;
  }
  .hero-badge-card .mini-stat-row i { color: var(--cyan); }
  .hero-badge-card .mini-stat-row strong { color: #fff; font-weight: 700; }
  .hero-badge-card .divider { height: 1px; background: var(--border-light); margin: 6px 0; }

  /* ======= Filter Bar ======= */
  .filter-section { padding: 40px 0 8px; position: relative; z-index: 3; }
  .filter-wrap {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    background: var(--panel);
    border: 1px solid var(--border-light);
    border-radius: 999px;
    padding: 8px 12px;
  }
  .filter-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-mute);
    font-size: 13px;
    font-weight: 600;
    padding: 0 12px;
  }
  .filter-label i { color: var(--primary-light); }
  .filter-chip {
    display: inline-flex;
    align-items: center;
    padding: 9px 20px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.09);
    background: transparent;
    color: var(--text-sub);
    font-size: 14px;
    transition: all .25s;
  }
  .filter-chip:hover { border-color: rgba(140,92,255,.4); color: var(--primary-light); }
  .filter-chip.active {
    background: rgba(140,92,255,.16);
    border-color: rgba(140,92,255,.4);
    color: #fff;
    font-weight: 500;
  }

  /* ======= Mixed List / Horizontal Cards ======= */
  .mixed-list-section { padding: 64px 0 20px; }

  .section-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.25;
    color: #fff;
    margin-bottom: 12px;
  }
  .section-desc { color: var(--text-sub); font-size: 15px; max-width: 640px; margin-bottom: 38px; }

  .horizontal-media-card {
    display: flex;
    align-items: stretch;
    gap: 24px;
    background: var(--panel);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: var(--radius-card);
    padding: 0 16px 0 0;
    margin-bottom: 20px;
    overflow: hidden;
    transition: all .3s ease;
    position: relative;
  }
  .horizontal-media-card:hover {
    transform: translateY(-4px);
    border-color: rgba(140,92,255,.32);
    box-shadow: var(--shadow-hover);
  }
  .hmc-thumb {
    flex: 0 0 280px;
    position: relative;
    min-height: 190px;
    overflow: hidden;
    border-radius: 18px;
    margin: 16px;
    background: linear-gradient(135deg, rgba(140,92,255,.25), rgba(255,77,140,.15)), var(--panel-light);
  }
  .hmc-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
    transition: transform .5s ease;
  }
  .horizontal-media-card:hover .hmc-thumb img { transform: scale(1.05); }
  .hmc-thumb .badge {
    position: absolute;
    left: 12px;
    top: 12px;
    z-index: 2;
  }
  .hmc-body { padding: 14px 8px 14px 0; flex: 1; display: flex; flex-direction: column; justify-content: center; }
  .hmc-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; }
  .hmc-meta .tag {
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
  }
  .hmc-meta .date { color: var(--text-mute); font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
  .hmc-body h3 {
    font-size: 22px;
    line-height: 1.3;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    transition: color .2s;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .horizontal-media-card:hover .hmc-body h3 { color: var(--primary-light); }
  .hmc-body p {
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
  }
  .hmc-link {
    color: var(--cyan);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .hmc-link i { transition: transform .25s ease; }
  .hmc-link:hover { color: var(--primary-light); }
  .hmc-link:hover i { transform: translateX(5px); }

  .badge {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    border-radius: 999px;
    padding: 5px 13px;
    font-weight: 600;
    line-height: 1.4;
  }
  .badge-primary { background: rgba(140,92,255,.14); color: #b49bff; }
  .badge-cyan { background: rgba(35,230,204,.1); color: var(--cyan); }
  .badge-pink { background: rgba(255,77,140,.12); color: #ff9dbb; }
  .badge-warning { background: rgba(255,198,94,.12); color: var(--warning); }
  .badge-success { background: rgba(45,222,154,.1); color: var(--success); }

  /* ======= Featured Main Story ======= */
  .featured-block { padding: 72px 0 20px; }
  .featured-card {
    background: var(--panel);
    border: 1px solid var(--border-light);
    border-radius: 28px;
    padding: 36px;
    display: flex;
    gap: 40px;
    align-items: center;
    overflow: hidden;
    position: relative;
    transition: all .3s ease;
  }
  .featured-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(140,92,255,.25);
    transform: translateY(-3px);
  }
  .featured-card::after {
    content: '';
    position: absolute;
    right: -100px;
    top: -100px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(140,92,255,0.16) 0%, transparent 70%);
    pointer-events: none;
    border-radius: 50%;
  }
  .featured-media {
    flex: 0 0 46%;
    min-height: 260px;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, rgba(140,92,255,.25), rgba(35,230,204,.15)), var(--panel-light);
  }
  .featured-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
    transition: transform .55s ease;
  }
  .featured-card:hover .featured-media img { transform: scale(1.04); }
  .featured-media .badge {
    position: absolute;
    left: 16px;
    top: 16px;
    z-index: 2;
  }
  .featured-content { flex: 1; padding-right: 20px; }
  .featured-content .fm-meta { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; }
  .featured-content .fm-meta span { font-size: 13px; color: var(--text-mute); display: inline-flex; align-items: center; gap: 6px; }
  .featured-content .fm-meta span i { font-size: 12px; }
  .featured-content h2 { font-size: 26px; line-height: 1.4; margin-bottom: 16px; color: #fff; }
  .featured-content p { font-size: 15px; line-height: 1.75; color: var(--text-sub); margin-bottom: 30px; }

  /* ======= Two Column Highlight ======= */
  .highlight-panel { padding: 64px 0; }
  .hl-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .hl-card {
    background: var(--panel);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    padding: 32px 30px;
    position: relative;
    transition: all .3s ease;
    overflow: hidden;
  }
  .hl-card:hover { transform: translateY(-5px); border-color: rgba(140,92,255,.3); box-shadow: var(--shadow-hover); }
  .hl-card .hl-icon {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 14px;
    font-size: 18px;
    background: rgba(140,92,255,.14);
    color: var(--primary-light);
    margin-bottom: 20px;
  }
  .hl-card h3 { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 10px; }
  .hl-card p { color: var(--text-sub); font-size: 14px; line-height: 1.75; }
  .hl-footer-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    color: var(--cyan);
    font-size: 13px;
    font-weight: 600;
  }
  .hl-footer-link i { transition: transform .2s; }
  .hl-footer-link:hover i { transform: translateX(4px); }

  /* ======= Timeline Section ======= */
  .timeline-section { padding: 72px 0 96px; }
  .update-timeline { position: relative; padding-left: 34px; }
  .update-timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, rgba(140,92,255,.5), rgba(255,77,140,.15), transparent);
  }
  .tl-item { position: relative; margin-bottom: 26px; }
  .tl-item::before {
    content: '';
    position: absolute;
    left: -31px;
    top: 8px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(140,92,255,.15), 0 0 16px rgba(140,92,255,.3);
  }
  .tl-card {
    background: var(--panel);
    border: 1px solid var(--border-light);
    border-radius: 22px;
    padding: 26px 30px;
    transition: all .25s;
  }
  .tl-card:hover { border-color: rgba(255,77,140,.35); }
  .tl-date { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-mute); margin-bottom: 8px; }
  .tl-date i { color: var(--cyan); }
  .tl-card h3 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 8px; }
  .tl-card p { font-size: 14px; color: var(--text-sub); line-height: 1.7; }

  /* ======= CTA Banner ======= */
  .cta-section { padding: 24px 0 80px; }
  .cta-banner {
    background: var(--gradient-brand);
    border-radius: 32px;
    padding: 60px 60px;
    position: relative;
    overflow: hidden;
    text-align: center;
  }
  .cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 20% 20%, rgba(255,255,255,.08) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(0,0,0,0.16) 0%, transparent 60%);
  }
  .cta-banner .container-inner { position: relative; z-index: 2; }
  .cta-banner h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 14px; line-height: 1.3; }
  .cta-banner p { color: rgba(255,255,255,.88); font-size: 16px; max-width: 520px; margin: 0 auto 34px; }
  .cta-banner .cta-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
  .cta-banner .btn-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 48px;
    padding: 0 32px;
    border-radius: 999px;
    background: rgba(255,255,255,0.95);
    color: var(--primary);
    font: 600 15px/1 var(--font-family);
    transition: all .25s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.18);
  }
  .cta-banner .btn-white:hover { background: #fff; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,.2); }
  .cta-banner .btn-outline-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 48px;
    padding: 0 32px;
    border-radius: 999px;
    background: transparent;
    border: 1px solid rgba(255,255,255,.5);
    color: #fff;
    font: 600 15px/1 var(--font-family);
    transition: all .25s;
  }
  .cta-banner .btn-outline-white:hover { background: rgba(255,255,255,.1); border-color: #fff; }

  /* ======= FAQ ======= */
  .faq-section { padding: 120px 0; background: transparent; position: relative; }
  .faq-inner { max-width: 900px; margin: 0 auto; }
  .faq-head { text-align: center; margin-bottom: 50px; }
  .faq-head .section-title { font-size: 34px; }
  .faq-grid { display: flex; flex-direction: column; gap: 12px; }
  .faq-card {
    background: var(--panel-soft);
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 22px;
    padding: 0;
    transition: border-color .25s ease;
    overflow: hidden;
  }
  .faq-card.open { border-color: rgba(140,92,255,.4); }
  .faq-q {
    background: transparent;
    border: none;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 28px 28px 28px 32px;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: .01em;
    line-height: 1.4;
    transition: all .2s;
  }
  .faq-q:hover { color: var(--primary-light); }
  .faq-q .fa-chevron-down { transition: transform .4s ease; flex-shrink: 0; margin-left: 16px; color: var(--primary-light); font-size: 14px; opacity: .8; }
  .faq-card.open .faq-q .fa-chevron-down { transform: rotate(180deg); }
  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .35s ease;
    padding: 0 32px;
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.85;
  }
  .faq-card.open .faq-a { max-height: 500px; padding: 0 32px 28px; border-top: 0; }
  .faq-card.open .faq-a p { padding: 14px 0 0; margin: 0; }

  /* ======= Footer ======= */
  .site-footer {
    background: #070A11;
    border-top: 1px solid rgba(255,255,255,.05);
    padding-top: 64px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr 1fr;
    gap: 44px;
    padding-bottom: 44px;
  }
  .footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    margin-bottom: 16px;
  }
  .footer-logo .brand-text { font-size: 17px; }
  .footer-about p { color: var(--text-mute); font-size: 13px; line-height: 1.8; max-width: 300px; margin-top: 12px; }
  .footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: .02em;
  }
  .footer-col ul li { margin-bottom: 11px; }
  .footer-col ul a {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.6;
    transition: all .2s;
    display: inline-block;
  }
  .footer-col ul a:hover { color: var(--cyan); transform: translateX(4px); }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.06);
    padding: 24px 0;
    font-size: 13px;
    color: var(--text-mute);
  }
  .footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 0; padding-bottom: 0; }

  /* Floating decorative */
  .bg-glow-top { position: absolute; top: -200px; right: -120px; width: 500px; height: 500px; background: radial-gradient(circle, rgba(140,92,255,.18), transparent 65%); pointer-events: none; }

  /* helper */
  .text-mute { color: var(--text-mute); }
  .text-center { text-align: center; }
  .mt-1 { margin-top: 8px; }
  .mt-2 { margin-top: 16px; }
  .mt-3 { margin-top: 24px; }
  .mb-3 { margin-bottom: 24px; }

  /* ======= Responsive ======= */
  @media (max-width: 1024px) {
    .main-nav, .desktop-nav-cta { display: none; }
    .nav-toggle { display: flex; }
    .container { padding-left: 20px; padding-right: 20px; max-width: 100%; }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; gap: 36px; }
    .featured-card { flex-direction: column; padding: 28px; }
    .featured-media { width: 100%; min-height: 220px; flex: none; }
    .featured-content { padding-right: 0; }
    .horizontal-media-card { flex-direction: column; padding: 16px; }
    .hmc-thumb { flex: none; width: 100%; min-height: 180px; margin: 0; }
    .hmc-body { padding: 8px 4px 12px; }
  }

  @media (max-width: 768px) {
    :root { --space-section: 72px; }
    .section-space { padding: 72px 0; }
    .page-hero { padding: 150px 0 60px; }
    .page-hero h1 { font-size: 34px; }
    .page-hero .lead { font-size: 16px; }
    .filter-wrap { border-radius: 28px; padding: 14px; align-items: flex-start; }
    .filter-label { width: 100%; padding: 0 4px; }
    .filter-chips { display: flex; flex-wrap: wrap; gap: 8px; }
    .filter-chip { padding: 8px 15px; font-size: 13px; }
    .hl-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-about { grid-column: 1 / -1; }
    .cta-banner { padding: 44px 24px; }
    .cta-banner h2 { font-size: 26px; }
    .section-title { font-size: 26px; }
    .tl-card { padding: 22px; }
    .featured-block, .mixed-list-section, .timeline-section, .faq-section, .cta-section { padding-left: 0; padding-right: 0; }
  }

  @media (max-width: 520px) {
    .page-hero h1 { font-size: 28px; line-height: 1.25; }
    .page-hero .hero-actions { flex-direction: column; width: 100%; }
    .page-hero .hero-actions .btn { width: 100%; }
    .brand-text { font-size: 15px; }
    .brand-icon { width: 34px; height: 34px; font-size: 15px; border-radius: 10px; }
    .section-title { font-size: 24px; }
    .hmc-meta { gap: 10px; flex-wrap: wrap; }
    .footer-bottom .container { flex-direction: column; text-align: center; align-items: center; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-about p { max-width: 100%; }
    .faq-head .section-title { font-size: 24px; }
    .section-desc { font-size: 14px; }
    .featured-card, .hl-card { padding: 22px; }
  }

/* roulang page: article */
:root{
  --bg:#0A0D16;
  --bg-deep:#070A11;
  --panel:#121828;
  --panel-light:#1A2133;
  --panel-soft:#151B2D;
  --text:#F0F2F8;
  --text-weak:#A9B4D0;
  --muted:#68738F;
  --primary:#8C5CFF;
  --primary-strong:#FF4D8C;
  --cyan:#23E6CC;
  --warn:#FFC65E;
  --success:#2DDE9A;
  --danger:#FF5B6A;
  --line:rgba(255,255,255,.09);
  --radius-lg:32px;
  --radius-md:24px;
  --radius-sm:16px;
  --shadow-sm:0 4px 20px rgba(0,0,0,.18);
  --shadow-md:0 18px 48px rgba(0,0,0,.26);
  --shadow-primary:0 16px 60px rgba(140,92,255,.18);
  --gradient:linear-gradient(135deg,#8C5CFF 0%,#FF4D8C 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
ul,ol{padding:0;margin:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5,p{margin:0;font-weight:normal}
.container{width:min(1200px,100% - 40px);margin-inline:auto}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  cursor:pointer;
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
  vertical-align:middle;
}
.btn i{font-size:14px}
.btn-primary{
  background:var(--gradient);
  color:#fff;
  box-shadow:0 8px 24px rgba(140,92,255,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,77,140,.24)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  border-color:rgba(255,255,255,.16);
  background:rgba(255,255,255,.02);
  color:#ECECFF;
}
.btn-ghost:hover{border-color:var(--primary);color:#fff;box-shadow:0 0 0 4px rgba(140,92,255,.12)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-lg{height:54px;padding:0 34px;font-size:16px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  background:rgba(11,14,22,.92);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.nav-inner{
  width:min(1200px,100% - 40px);
  height:72px;
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  font-size:18px;
  color:#fff;
}
.brand-icon{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--gradient);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:16px;
  box-shadow:0 8px 18px rgba(140,92,255,.28);
}
.brand-text{font-weight:600;letter-spacing:.02em}
.brand-text strong{
  background:var(--gradient);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-weight:800;
}
.main-nav{
  margin-left:auto;
}
.main-nav ul{
  display:flex;
  align-items:center;
  gap:4px;
}
.main-nav a{
  display:inline-block;
  padding:9px 16px;
  border-radius:999px;
  color:var(--text-weak);
  font-size:15px;
  font-weight:500;
  position:relative;
  transition:color .25s ease,background .25s ease;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.05)}
.main-nav a.active{
  color:#fff;
  text-shadow:0 0 12px rgba(255,255,255,.55);
}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:18px;right:18px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--gradient);
  box-shadow:0 0 8px rgba(255,77,140,.45);
}
.nav-cta{margin-left:4px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.03);
  color:#fff;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  font-size:18px;
  transition:background .25s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.08)}
.mobile-menu{
  display:none;
}
.article-page{
  padding-top:72px;
  background:var(--bg);
}
.article-hero{
  position:relative;
  padding:72px 0 44px;
  overflow:hidden;
}
.article-hero .container{
  position:relative;
  z-index:1;
}
.article-hero-card{
  position:relative;
  border:1px solid var(--line);
  border-radius:36px;
  padding:44px 48px 50px;
  overflow:hidden;
  background:
    linear-gradient(135deg,rgba(10,13,22,.92) 0%,rgba(42,17,68,.86) 52%,rgba(18,24,40,.9) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  box-shadow:var(--shadow-sm);
}
.article-hero-card::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(140,92,255,.22),rgba(255,77,140,.04) 65%,transparent 70%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 12px;
  padding:0;
  margin:0 0 24px;
  color:var(--muted);
  font-size:14px;
  position:relative;
  z-index:1;
}
.breadcrumb a{
  color:var(--text-weak);
  transition:color .25s ease;
}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb i{font-size:12px;opacity:.6}
.breadcrumb .current{
  color:#fff;
  display:inline-flex;
  align-items:center;
  max-width:520px;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.article-title{
  position:relative;
  z-index:1;
  font-size:44px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
  max-width:920px;
  margin:0 0 24px;
}
.article-meta{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 22px;
  color:var(--text-weak);
  font-size:14px;
}
.article-meta li{display:inline-flex;align-items:center;gap:8px}
.article-meta i{color:var(--primary);font-size:14px}
.article-meta .category-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 14px;
  border-radius:999px;
  background:rgba(140,92,255,.14);
  color:#ceb9ff;
  font-size:13px;
  font-weight:600;
}
.article-meta .category-tag i{color:#d9ccff}
.article-meta time{color:var(--text-weak)}
.article-reading{
  position:relative;
  padding:52px 0 0;
}
.article-body-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:32px;
  padding:clamp(24px,4vw,52px);
  box-shadow:var(--shadow-sm);
}
.cms-body{
  font-size:17px;
  line-height:1.95;
  color:var(--text);
  overflow-wrap:break-word;
}
.cms-body p{
  margin:0 0 22px;
  color:var(--text);
}
.cms-body > h2,
.cms-body h2{
  font-size:30px;
  font-weight:700;
  line-height:1.35;
  color:#fff;
  margin:44px 0 18px;
}
.cms-body > h3,
.cms-body h3{
  font-size:24px;
  font-weight:700;
  line-height:1.4;
  color:#fff;
  margin:36px 0 16px;
}
.cms-body > h4,
.cms-body h4{
  font-size:19px;
  font-weight:600;
  color:var(--text);
  margin:28px 0 14px;
}
.cms-body > p:first-child{
  font-size:18px;
  color:#dce1ee;
}
.cms-body ul,
.cms-body ol{
  margin:0 0 24px;
  padding-left:24px;
  list-style:disc;
  color:var(--text-weak);
}
.cms-body ol{list-style:decimal}
.cms-body li{
  margin-bottom:8px;
  padding-left:6px;
}
.cms-body li::marker{color:var(--primary)}
.cms-body img{
  border-radius:24px;
  margin:28px 0;
  width:100%;
  object-fit:cover;
  box-shadow:var(--shadow-sm);
}
.cms-body blockquote{
  margin:32px 0;
  padding:26px 30px;
  border-left:4px solid var(--primary);
  border-radius:0 20px 20px 0;
  background:#1A2133;
  color:#c9d1e2;
  font-size:17px;
  line-height:1.8;
}
.cms-body blockquote p{margin-bottom:0}
.cms-body a{
  color:var(--cyan);
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-color:rgba(35,230,204,.35);
}
.cms-body a:hover{color:#8ff5ea}
.cms-body strong{color:#fff;font-weight:700}
.cms-body table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  margin:28px 0;
  background:var(--panel-light);
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
}
.cms-body th,
.cms-body td{
  padding:14px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
.cms-body th{
  background:rgba(140,92,255,.12);
  color:#fff;
  font-weight:700;
}
.cms-body tr:last-child td{border-bottom:0}
.cms-body hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:40px 0;
}
.article-end-links{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:14px;
  margin-top:32px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.article-end-links .btn{
  min-width:150px;
}
.related-section{
  padding:88px 0 40px;
}
.section-head{
  text-align:center;
  margin-bottom:42px;
}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 18px;
  border-radius:999px;
  background:rgba(140,92,255,.12);
  color:#c8b5ff;
  font-size:13px;
  font-weight:600;
}
.section-head h2{
  font-size:34px;
  line-height:1.25;
  font-weight:800;
  color:#fff;
  margin-top:18px;
}
.section-head p{
  color:var(--text-weak);
  font-size:15px;
  margin-top:12px;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.related-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:24px;
  overflow:hidden;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.related-card:hover{
  transform:translateY(-5px);
  border-color:rgba(140,92,255,.52);
  box-shadow:0 18px 44px rgba(0,0,0,.34),0 0 0 1px rgba(140,92,255,.16);
}
.related-card .rc-thumb{
  display:block;
  height:150px;
  overflow:hidden;
  position:relative;
  background:#101728;
}
.related-card .rc-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.related-card:hover .rc-thumb img{transform:scale(1.05)}
.related-card .rc-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:22px 20px;
  flex:1;
}
.related-card .rc-tag{
  display:inline-flex;
  font-size:12px;
  font-weight:700;
  color:var(--cyan);
  letter-spacing:.04em;
}
.related-card strong{
  font-size:18px;
  line-height:1.45;
  font-weight:700;
  color:#fff;
}
.related-card small{
  color:var(--text-weak);
  font-size:14px;
  line-height:1.7;
}
.related-card .rc-arrow{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#b9a9ff;
  font-size:14px;
  font-weight:600;
  transition:gap .25s ease,color .25s ease;
}
.related-card:hover .rc-arrow{gap:12px;color:#fff}
.article-cta{
  padding:64px 0 90px;
}
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:32px;
  background:
    linear-gradient(135deg, rgba(140,92,255,.18),rgba(255,77,140,.1)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat,
    var(--panel-light);
  border:1px solid rgba(255,255,255,.1);
  padding:46px 50px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-primary);
}
.cta-panel::after{
  content:"";
  position:absolute;
  width:300px;height:300px;
  right:-90px;bottom:-180px;
  background:radial-gradient(circle,rgba(255,77,140,.16),transparent 70%);
  pointer-events:none;
}
.cta-panel > div{position:relative;z-index:1}
.cta-panel h2{font-size:30px;font-weight:800;color:#fff;line-height:1.3;margin-bottom:10px}
.cta-panel p{color:var(--text-weak);font-size:15px;max-width:560px}
.cta-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.not-found{
  min-height:70vh;
  display:flex;
  align-items:center;
  padding:110px 0 80px;
}
.not-found-card{
  max-width:680px;
  width:100%;
  margin-inline:auto;
  text-align:center;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:32px;
  padding:60px 40px;
  box-shadow:var(--shadow-sm);
}
.not-found-card .nf-icon{
  width:72px;height:72px;
  border-radius:24px;
  margin:0 auto 24px;
  background:rgba(255,91,106,.1);
  color:var(--danger);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:28px;
}
.not-found-card h1{
  font-size:30px;
  font-weight:800;
  color:#fff;
  margin-bottom:12px;
}
.not-found-card p{
  color:var(--text-weak);
  font-size:15px;
  max-width:440px;
  margin:0 auto 28px;
}
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-about .footer-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  color:#fff;
  margin-bottom:16px;
}
.footer-logo strong{
  background:var(--gradient);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.footer-about p{
  color:var(--muted);
  font-size:14px;
  line-height:1.85;
  max-width:360px;
}
.footer-col h4{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin:0 0 18px;
}
.footer-col ul li{
  margin-bottom:12px;
}
.footer-col a{
  color:var(--muted);
  font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{
  color:var(--primary);
  padding-left:4px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:22px 0;
  color:var(--muted);
  font-size:13px;
}
.footer-bottom .container{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px;
}
@media(max-width:1023px){
  .main-nav,.desktop-nav-cta{display:none}
  .nav-toggle{
    display:inline-flex;
    margin-left:auto;
  }
  .mobile-menu{
    display:flex;
    flex-direction:column;
    position:fixed;
    top:72px;
    left:0;right:0;
    background:rgba(10,13,22,.96);
    backdrop-filter:blur(22px);
    -webkit-backdrop-filter:blur(22px);
    border-bottom:1px solid var(--line);
    padding:16px 20px 28px;
    gap:4px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-12px);
    pointer-events:none;
    transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
  }
  .mobile-menu.open{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
    pointer-events:auto;
  }
  .mobile-menu a{
    display:flex;
    align-items:center;
    gap:12px;
    color:var(--text-weak);
    padding:14px 16px;
    border-radius:16px;
    font-size:16px;
    font-weight:600;
    transition:background .2s ease,color .2s ease;
  }
  .mobile-menu a:hover{background:rgba(255,255,255,.05);color:#fff}
  .mobile-menu a.menu-cta{
    justify-content:center;
    margin-top:12px;
  }
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-about{grid-column:1/-1}
  .related-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
  .article-hero{padding:44px 0 28px}
  .article-hero-card{padding:28px 22px 34px;border-radius:28px}
  .article-title{font-size:30px;line-height:1.3}
  .article-reading{padding-top:26px}
  .article-body-card{
    padding:22px 18px;
    border-radius:24px;
  }
  .cms-body{font-size:16px;line-height:1.85}
  .cms-body > h2,
  .cms-body h2{font-size:24px}
  .cms-body > h3,
  .cms-body h3{font-size:20px}
  .cms-body blockquote{
    padding:20px 18px;
    font-size:16px;
  }
  .cms-body th,
  .cms-body td{
    padding:10px 12px;
    font-size:14px;
  }
  .article-end-links{
    flex-direction:column;
    align-items:stretch;
  }
  .article-end-links .btn{width:100%}
  .related-section{padding:64px 0 28px}
  .section-head h2{font-size:26px}
  .related-grid{grid-template-columns:1fr}
  .related-card .rc-thumb{height:170px}
  .article-cta{padding:44px 0 56px}
  .cta-panel{padding:30px 22px;border-radius:24px}
  .cta-actions,.cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom .container{
    flex-direction:column;
    gap:6px;
  }
}
@media(max-width:520px){
  .container{width:calc(100% - 32px)}
  .nav-inner{width:calc(100% - 24px);gap:12px}
  .brand-text{font-size:16px}
  .brand-icon{width:34px;height:34px}
  .article-meta{
    gap:10px 14px;
    font-size:13px;
  }
  .cta-panel h2{font-size:24px}
}

/* roulang page: category2 */
:root{
  --bg:#0A0D16;
  --bg-deep:#070A11;
  --panel:#121828;
  --card:#1A2133;
  --card2:#151B2D;
  --line:rgba(255,255,255,0.09);
  --text:#F0F2F8;
  --sub:#A9B4D0;
  --muted:#68738F;
  --violet:#8C5CFF;
  --pink:#FF4D8C;
  --cyan:#23E6CC;
  --amber:#FFC65E;
  --danger:#FF5B6A;
  --success:#2DDE9A;
  --radius:24px;
  --radius-sm:16px;
  --grad:linear-gradient(135deg, #8C5CFF 0%, #FF4D8C 100%);
  --shadow:0 4px 20px rgba(0,0,0,0.18);
  --shadow-lg:0 18px 48px rgba(0,0,0,0.26), 0 0 24px rgba(140,92,255,0.08);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,"Segoe UI",sans-serif;
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::selection{background:rgba(140,92,255,.35);color:#fff;}
.container{
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
a{text-decoration:none;color:inherit;}
p,h1,h2,h3,h4{margin:0;}
button,input,textarea{font-family:inherit;color:inherit;background:none;border:none;}
.fa,.fas,.fab,.far{line-height:1;}

/* header */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:999;
  height:72px;
  background:rgba(11,14,22,.9);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.nav-inner{
  max-width:1280px;
  margin:0 auto;
  height:72px;
  padding:0 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:600;
  color:#fff;
  letter-spacing:.02em;
  flex-shrink:0;
  line-height:1.2;
}
.brand-icon{
  width:38px;height:38px;
  border-radius:13px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
  box-shadow:0 8px 24px rgba(140,92,255,.35);
}
.brand-icon i{margin:0;line-height:1;}
.brand-text{white-space:nowrap;}
.brand-text strong{
  background:linear-gradient(135deg,#a17dff,#ff6fa5);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  font-weight:700;
}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav a{
  display:block;
  position:relative;
  padding:8px 16px;
  color:var(--sub);
  font-size:15px;
  border-radius:999px;
  transition:color .25s,background .25s;
  font-weight:500;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.05);}
.main-nav a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.main-nav a.active{
  color:#fff;
  text-shadow:0 0 12px rgba(255,255,255,.55);
}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:18px;right:18px;bottom:-2px;
  height:3px;
  border-radius:3px;
  background:var(--grad);
  box-shadow:0 0 12px rgba(255,77,140,.7);
}
.nav-cta{display:flex;align-items:center;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  height:48px;
  padding:0 26px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s,background .25s,color .25s;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 8px 24px rgba(140,92,255,.32);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 36px rgba(140,92,255,.42);
  color:#fff;
}
.btn-primary:active{
  transform:translateY(0);
  filter:brightness(.92);
}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.14);
  color:#ECECFF;
  box-shadow:0 4px 16px rgba(0,0,0,.2);
}
.btn-ghost:hover{
  border-color:rgba(140,92,255,.7);
  box-shadow:0 0 24px rgba(140,92,255,.22);
  transform:translateY(-2px);
  color:#fff;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:18px;
  cursor:pointer;
  transition:background .25s,border .25s;
}
.nav-toggle:hover{background:rgba(140,92,255,.18);border-color:rgba(140,92,255,.6);}
.nav-toggle:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.mobile-menu{
  display:none;
  background:rgba(11,14,22,.96);
  border-bottom:1px solid rgba(255,255,255,.07);
  padding:14px 20px 22px;
  position:fixed;
  top:72px;left:0;right:0;
  z-index:998;
}
.mobile-menu.open{display:block;}
.mobile-menu a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:13px 18px;
  border-radius:14px;
  color:var(--text);
  font-size:16px;
  font-weight:500;
  margin-bottom:6px;
  transition:background .2s,color .2s;
}
.mobile-menu a i{width:20px;color:var(--violet);text-align:center;}
.mobile-menu a:hover{background:rgba(255,255,255,.06);color:#fff;}
.mobile-menu a.active{background:rgba(140,92,255,.15);color:#fff;box-shadow:inset 0 0 0 1px rgba(140,92,255,.45);}
.mobile-menu .menu-cta{margin-top:8px;justify-content:center;height:48px;}
.mobile-menu .desktop-nav-cta{
  display:none;
}

/* banner category */
.main{padding-top:72px;}
.cat-banner{
  position:relative;
  padding:92px 0 76px;
  overflow:hidden;
}
.cat-banner-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.7;
}
.cat-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(100deg, #0A0D16 12%, rgba(10,13,22,.78) 48%, rgba(13,10,26,.45) 85%),
    linear-gradient(180deg, rgba(10,13,22,.9) 0%, rgba(10,13,22,.28) 60%, var(--bg) 100%);
}
.cat-banner::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-120px;top:-160px;
  background:radial-gradient(circle,rgba(140,92,255,.32),transparent 65%);
  pointer-events:none;
}
.cat-banner-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-size:13px;
  margin-bottom:22px;
}
.breadcrumb i{color:var(--violet);font-size:12px;}
.eyebrow-cat{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  background:rgba(140,92,255,.14);
  border:1px solid rgba(140,92,255,.35);
  border-radius:999px;
  color:#cbb7ff;
  font-size:13px;
  font-weight:500;
  margin-bottom:20px;
}
.cat-banner h1{
  font-size:clamp(32px,4vw,52px);
  line-height:1.18;
  font-weight:800;
  max-width:780px;
  letter-spacing:.01em;
}
.cat-banner h1 strong{
  background:linear-gradient(120deg,#b08cff,#ff5d97 60%,#ffae7d);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  font-weight:800;
}
.cat-banner .lead-text{
  color:var(--sub);
  font-size:17px;
  line-height:1.9;
  max-width:680px;
  margin:22px 0 30px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;}
.banner-feat{
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  margin-top:34px;
}
.banner-feat span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--sub);
  font-size:13px;
}
.banner-feat .b-feat-ico{
  width:22px;height:22px;
  border-radius:50%;
  background:rgba(35,230,204,.1);
  border:1px solid rgba(35,230,204,.3);
  color:var(--cyan);
  align-items:center;
  justify-content:center;
  display:flex;
  font-size:10px;
}

/* filtering pills */
.topic-pill-wrap{
  border-top:1px solid var(--line);
  background:rgba(18,24,40,.72);
  padding:18px 0;
}
.pill-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px 12px;
  align-items:center;
  justify-content:center;
}
.pill-label{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--amber);
  font-size:13px;
  font-weight:600;
  margin-right:4px;
}
.pill-row a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--sub);
  font-size:13px;
  border-radius:999px;
  padding:8px 16px;
  transition:all .25s;
}
.pill-row a:hover{
  color:#fff;
  border-color:rgba(140,92,255,.7);
  background:rgba(140,92,255,.14);
  box-shadow:0 0 16px rgba(140,92,255,.15);
  transform:translateY(-2px);
}

/* guide layout */
.guide-section{
  padding:80px 0 96px;
  position:relative;
}
.guide-section::before{
  content:"";
  position:absolute;
  top:120px;left:-200px;
  width:370px;height:370px;
  background:radial-gradient(circle,rgba(140,92,255,.12),transparent 65%);
  pointer-events:none;
}
.content-grid{
  display:grid;
  grid-template-columns:285px minmax(0,1fr);
  gap:36px;
  position:relative;
  z-index:2;
  align-items:start;
}
.side-wrap{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:linear-gradient(180deg,#131A29,#0F1522);
  border:1px solid var(--line);
  border-radius:22px;
  padding:24px;
}
.side-card .side-title{
  font-size:18px;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  margin-bottom:18px;
}
.side-card .side-title span{
  width:32px;height:32px;
  background:rgba(140,92,255,.16);
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.side-card .side-title i{
  color:#b08cff;
  font-size:13px;
}
.side-nav li{margin-bottom:4px;}
.side-nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--sub);
  padding:10px 12px;
  border-radius:12px;
  font-size:14px;
  font-weight:500;
  transition:all .2s;
}
.side-nav a:hover{
  color:#fff;
  background:rgba(255,255,255,.05);
  padding-left:16px;
}
.side-nav a .num{
  color:var(--muted);
  font-size:12px;
  font-variant-numeric:tabular-nums;
  min-width:22px;
}
.side-nav a:hover .num,.side-nav a:focus-visible .num{color:#b08cff;}
.side-nav a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.side-nav .anchor-line{
  width:3px;height:3px;
  border-radius:3px;
  background:var(--violet);
  flex:0 0 3px;
  margin:0 auto 0 0;
}
.side-btn{
  width:100%;
  margin-top:4px;
}
.side-note{
  background:rgba(255,198,94,.06);
  border:1px solid rgba(255,198,94,.22);
  border-radius:16px;
  padding:16px 16px 18px;
  color:var(--sub);
  font-size:13px;
}
.side-note b{color:var(--amber);font-weight:600;}
.side-note p{margin:6px 0 0;}
.side-note i{color:var(--amber);margin-right:6px;}

/* content right */
.main-col{
  display:flex;
  flex-direction:column;
  gap:28px;
}
.guide-intro-head{
  padding:4px 0 2px;
}
.guide-intro-head h2{
  font-size:26px;
  font-weight:700;
  color:#fff;
  margin-bottom:8px;
}
.guide-intro-head h2 i{
  color:var(--violet);
  margin-right:6px;
}
.guide-intro-head p{
  color:var(--sub);
  font-size:15px;
}
.divider-line{
  height:4px;
  width:56px;
  border-radius:4px;
  background:var(--grad);
  margin:20px 0 8px;
}
.guide-card{
  display:flex;
  align-items:stretch;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.guide-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(140,92,255,.42);
}
.guide-card-thumb{
  position:relative;
  flex:0 0 270px;
  min-height:170px;
  overflow:hidden;
}
.guide-card-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.guide-card:hover .guide-card-thumb img{transform:scale(1.04);}
.guide-card-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(10,13,22,.55));
  pointer-events:none;
}
.guide-thumb-badge{
  position:absolute;
  left:14px;top:14px;
  z-index:2;
  background:rgba(8,10,16,.65);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.15);
  color:#fff;
  border-radius:999px;
  padding:5px 14px;
  font-size:12px;
  font-weight:500;
}
.guide-thumb-number{
  position:absolute;
  right:14px;bottom:12px;
  z-index:2;
  color:rgba(255,255,255,.9);
  font-size:26px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  text-shadow:0 2px 14px rgba(0,0,0,.45);
  opacity:.05;
}
.guide-card-body{
  flex:1;
  padding:26px 28px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.guide-tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
}
.guide-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(140,92,255,.13);
  border:1px solid rgba(140,92,255,.32);
  color:#c9b3ff;
  font-size:12px;
  font-weight:500;
  border-radius:999px;
  padding:3px 12px;
}
.guide-update{
  font-size:12px;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.guide-update i{color:var(--success);font-size:10px;}
.guide-card-body h3{
  font-size:22px;
  font-weight:700;
  line-height:1.35;
  color:#fff;
  margin:4px 0 10px;
  transition:color .2s;
}
.guide-card:hover .guide-card-body h3{color:#c7b1ff;}
.guide-card-body > p{
  color:var(--sub);
  font-size:15px;
  line-height:1.75;
  margin-bottom:14px;
}
.guide-points{
  display:flex;
  flex-wrap:wrap;
  gap:9px 18px;
  margin:2px 0 18px;
}
.guide-points li{
  display:flex;
  align-items:center;
  gap:7px;
  color:var(--sub);
  font-size:13px;
}
.guide-points li::before{
  content:"\f058";
  font-family:"Font Awesome 6 Free";
  font-weight:400;
  color:var(--violet);
  font-size:12px;
}
.guide-chain{
  margin-top:auto;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:20px;
}
.guide-action{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#d3c1ff;
  font-size:14px;
  font-weight:600;
  position:relative;
  transition:gap .25s,color .2s;
}
.guide-action::after{
  content:"";
  position:absolute;
  left:0;bottom:-4px;
  height:2px;width:0;
  background:var(--grad);
  transition:width .3s;
}
.guide-action:hover{color:#fff;gap:12px;}
.guide-action:hover::after{width:100%;}
.guide-meta-note{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--muted);
  font-size:12px;
}

/* section heading */
.section-head{
  text-align:center;
  padding:10px 0 28px;
}
.section-head .sec-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--cyan);
  font-size:13px;
  padding:6px 16px;
  border-radius:999px;
  border:1px solid rgba(35,230,204,.25);
  background:rgba(35,230,204,.06);
  margin-bottom:18px;
}
.section-head h2{
  font-size:clamp(26px,3vw,38px);
  font-weight:800;
  color:#fff;
  letter-spacing:.02em;
}
.section-head .line{
  width:58px;height:5px;
  margin:16px auto 0;
  border-radius:6px;
  background:var(--grad);
}
.section-head p.sub{
  margin:14px auto 0;
  max-width:640px;
  font-size:15px;
  color:var(--sub);
}
.faq-section{background:rgba(10,13,22,.75);padding:88px 0 100px;position:relative;}
.faq-section::before{
  content:"";
  position:absolute;
  right:-200px;top:100px;
  width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,77,140,.1),transparent 65%);
}
.section-inner{max-width:880px;margin:0 auto;position:relative;}
.faq-widget{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px;
  margin-top:24px;
}
.faq-box{
  background:#121828;
  border:1px solid var(--line);
  border-radius:20px;
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color .3s,box-shadow .3s;
}
.faq-box.is-active{
  border-color:rgba(140,92,255,.6);
  box-shadow:0 0 0 1px rgba(140,92,255,.28),0 12px 34px rgba(0,0,0,.24);
}
.faq-box .faq-q{
  width:100%;
  text-align:left;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  color:#fff;
  cursor:pointer;
  transition:background .25s;
}
.faq-box .faq-q:hover{background:rgba(255,255,255,.03);}
.faq-box .faq-q:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px;}
.faq-q .q-ico{
  flex:0 0 28px;
  width:28px;height:28px;
  border-radius:50%;
  background:rgba(140,92,255,.12);
  color:#b08cff;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
}
.faq-q .chev{
  flex:0 0 24px;
  width:24px;height:24px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  transition:transform .3s,color .3s;
  font-size:14px;
}
.faq-box.is-active .chev{
  transform:rotate(45deg);
  color:#ff6fa5;
}
.faq-a{
  display:none;
  padding:0 24px 22px 68px;
  color:var(--sub);
  font-size:15px;
  line-height:1.9;
}
.faq-a p{margin-bottom:10px;}
.faq-a a{
  color:var(--cyan);
  box-shadow:0 1px 0 rgba(35,230,204,.3);
}
.faq-a a:hover{color:#fff;}
.faq-box.open .faq-a{display:block;} 
.faq-box .faq-a{display:none;}
.faq-box.is-expanded .faq-a{display:block;}
.faq-box.is-active .faq-q .chev{transform:rotate(45deg);}
.faq-box.is-expanded .faq-q .chev{transform:rotate(45deg);}

/* CTA zone */
.cta-zone{padding:70px 0 80px;}
.cta-panel{
  position:relative;
  padding:56px 48px;
  border-radius:36px;
  overflow:hidden;
  background:linear-gradient(135deg,#17132B,#11192B 50%,#25152a);
  border:1px solid rgba(140,92,255,.3);
  text-align:center;
}
.cta-panel::before{
  content:"";
  position:absolute;
  width:350px;height:350px;
  left:-90px;top:-120px;
  background:radial-gradient(circle,rgba(140,92,255,.32),transparent 65%);
}
.cta-panel::after{
  content:"";
  position:absolute;
  width:340px;height:340px;
  right:-120px;bottom:-180px;
  background:radial-gradient(circle,rgba(255,77,140,.3),transparent 65%);
}
.cta-inner{position:relative;z-index:4;}
.cta-icon{
  width:58px;height:58px;
  margin:0 auto 20px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--grad);
  border-radius:18px;
  color:#fff;
  font-size:24px;
  box-shadow:0 12px 34px rgba(140,92,255,.4);
}
.cta-panel h2{
  font-size:clamp(26px,3vw,36px);
  font-weight:800;
  color:#fff;
  margin-bottom:12px;
}
.cta-panel p{
  max-width:560px;
  margin:0 auto 28px;
  color:var(--sub);
  font-size:15px;
}
.cta-btns{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;}

/* footer */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:70px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-logo .brand-text strong{
  background:linear-gradient(120deg,#a787ff,#ff7aa9);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.footer-about p{
  margin-top:14px;
  color:var(--muted);
  font-size:14px;
  max-width:340px;
  line-height:1.8;
}
.footer-col h4{
  color:#fff;
  font-size:16px;
  font-weight:600;
  margin-bottom:18px;
  position:relative;
  padding-bottom:12px;
}
.footer-col h4::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:24px;
  height:3px;
  border-radius:3px;
  background:var(--grad);
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{
  color:var(--sub);
  font-size:14px;
  transition:color .2s,padding-left .2s;
}
.footer-col a:hover{color:#c7b1ff;padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:22px 0;
  color:var(--muted);
  font-size:13px;
}

/* responsive */
@media(max-width:1100px){
  .content-grid{grid-template-columns:250px minmax(0,1fr);gap:26px;}
}
@media(max-width:1024px){
  .main-nav,.desktop-nav-cta{display:none;}
  .nav-toggle{
    display:inline-flex;
  }
  .content-grid{grid-template-columns:1fr;}
  .side-wrap{
    position:static;
    flex-direction:column;
    order:2;
  }
  .side-card{
    max-width:100%;
  }
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media(max-width:768px){
  .cat-banner{padding:60px 0 56px;}
  .cat-banner h1{font-size:33px;}
  .cat-banner .lead-text{font-size:15px;}
  .guide-card{
    flex-direction:column;
  }
  .guide-card-thumb{
    flex:none;
    width:100%;
    height:195px;
  }
  .guide-card-body{padding:22px;}
  .cta-panel{padding:44px 26px;}
  .footer-bottom .container{
    flex-direction:column;
    text-align:center;
  }
}
@media(max-width:520px){
  .container{padding-left:20px;padding-right:20px;}
  .nav-inner{padding:0 14px;}
  .guide-section{padding:58px 0 70px;}
  .guide-section .side-card{padding:20px;}
  .guide-intro-head h2{font-size:22px;}
  .guide-card-body h3{font-size:19px;}
  .guide-card-thumb{height:165px;}
  .pill-row{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;}
  .pill-row a{flex:0 0 auto;}
  .cta-panel{padding:36px 18px;border-radius:28px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{text-align:center;}
}

/* roulang page: category3 */
:root {
  --primary: #8C5CFF;
  --primary-light: #A87FFF;
  --secondary: #FF4D8C;
  --accent: #23E6CC;
  --warn: #FFC65E;
  --success: #2DDE9A;
  --danger: #FF5B6A;
  --bg-deep: #0A0D16;
  --bg-header: #0B0E16;
  --bg-footer: #070A11;
  --bg-panel: #121828;
  --bg-card: #1A2133;
  --bg-card-hover: #1D2538;
  --text-main: #F0F2F8;
  --text-sub: #A9B4D0;
  --text-dim: #68738F;
  --border-light: rgba(255,255,255,0.09);
  --border-hover: rgba(140,92,255,0.45);
  --gradient-brand: linear-gradient(135deg, #8C5CFF 0%, #FF4D8C 100%);
  --gradient-dark: linear-gradient(145deg, #10162A 0%, #17203A 100%);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 4px 20px rgba(0,0,0,0.18);
  --shadow-hover: 0 18px 48px rgba(0,0,0,0.26);
  --shadow-glow: 0 12px 36px rgba(140,92,255,0.16);
  --shadow-cta: 0 16px 60px rgba(140,92,255,0.18);
  --space-section-desktop: 96px;
  --space-section-tablet: 72px;
  --space-section-mobile: 48px;
  --transition-fast: 0.2s ease;
  --transition-base: 0.25s ease;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-base);
}
a:hover {
  color: var(--secondary);
}
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.row {
  max-width: 1200px;
  margin: 0 auto;
}
ul {
  list-style: none;
}
button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ===== Header Navigation ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 14, 22, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  height: 72px;
}
.nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity var(--transition-fast);
}
.brand:hover {
  opacity: 0.88;
}
.brand-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-brand);
  border-radius: 14px;
  font-size: 20px;
  color: #fff;
  box-shadow: 0 4px 18px rgba(140,92,255,0.35);
}
.brand-text {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-main);
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.brand-text strong {
  font-weight: 700;
  background: linear-gradient(135deg, #B28CFF 0%, #FF7DAC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav li a {
  color: var(--text-sub);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 8px;
  display: block;
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.main-nav li a:hover {
  color: #fff;
  background: rgba(140,92,255,0.08);
}
.main-nav li a.active {
  color: #fff;
  text-shadow: 0 0 10px rgba(255,255,255,0.5);
}
.main-nav li a.active::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 3px;
  border-radius: 4px;
  background: var(--gradient-brand);
  box-shadow: 0 0 12px rgba(255,77,140,0.6);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.btn-primary {
  background: var(--gradient-brand);
  color: #fff !important;
  border-radius: 999px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 6px 24px rgba(140,92,255,0.3);
  transition: all var(--transition-base);
  min-height: 44px;
  justify-content: center;
}
.btn-primary:hover {
  box-shadow: 0 8px 36px rgba(255,77,140,0.4);
  transform: translateY(-2px);
  color: #fff;
}
.btn-primary:active {
  transform: translateY(0);
  filter: brightness(0.92);
}
.btn-sm {
  padding: 9px 20px;
  font-size: 14px;
  min-height: 40px;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  color: var(--text-main);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  background: rgba(140,92,255,0.1);
  transition: all var(--transition-fast);
}
.nav-toggle:hover {
  border-color: var(--primary);
  color: var(--primary-light);
}
.mobile-menu {
  display: none;
}
.mobile-menu-btn {
  display: none;
}

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  padding: 162px 0 64px;
  text-align: center;
  background: var(--bg-deep);
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.2;
}
.page-banner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(10,13,22,0.92) 0%, rgba(10,13,22,0.6) 55%, rgba(10,13,22,0.96) 100%);
}
.page-banner > .container {
  position: relative;
  z-index: 2;
}
.page-banner .banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(140,92,255,0.15);
  border: 1px solid rgba(140,92,255,0.35);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: 13px;
  color: #B28CFF;
  margin-bottom: 18px;
}
.page-banner h1 {
  font-size: 46px;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 16px;
}
.page-banner h1 span {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-banner p {
  color: var(--text-sub);
  font-size: 17px;
  max-width: 720px;
  margin: 0 auto;
}

/* ===== Timeline Section ===== */
.timeline-section {
  padding: 60px 0 96px;
  background: var(--bg-deep);
  position: relative;
}
.timeline-control {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 44px;
  padding: 0 8px;
}
.timeline-control .tl-intro h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 6px;
}
.timeline-control .tl-intro span {
  color: var(--primary-light);
}
.timeline-control .tl-intro p {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0;
}
.tl-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tl-filter .filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,0.03);
  color: var(--text-sub);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition-fast);
}
.tl-filter .filter-btn i {
  font-size: 12px;
}
.tl-filter .filter-btn:hover,
.tl-filter .filter-btn.active {
  border-color: rgba(140,92,255,0.5);
  background: rgba(140,92,255,0.12);
  color: #B28CFF;
}
.timeline-wrap {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding-left: 60px;
}
.timeline-wrap::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, rgba(140,92,255,0.65) 0%, rgba(255,77,140,0.25) 50%, rgba(35,230,204,0.4) 100%);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(140,92,255,0.15);
}
.timeline-item {
  position: relative;
  margin-bottom: 44px;
  animation: fadeUp 0.6s ease both;
}
.timeline-item:last-child {
  margin-bottom: 0;
}
.timeline-node {
  position: absolute;
  left: -48px;
  top: 24px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(140,92,255,0.14), 0 0 16px rgba(140,92,255,0.3);
  z-index: 2;
}
.timeline-item.has-success .timeline-node {
  border-color: var(--success);
  box-shadow: 0 0 0 4px rgba(45,222,154,0.12), 0 0 16px rgba(45,222,154,0.25);
}
.timeline-item.has-warn .timeline-node {
  border-color: var(--warn);
  box-shadow: 0 0 0 4px rgba(255,198,94,0.12), 0 0 16px rgba(255,198,94,0.25);
}
.timeline-item.has-danger .timeline-node {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px rgba(255,91,106,0.12), 0 0 16px rgba(255,91,106,0.25);
}
.timeline-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 30px 32px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.timeline-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent 60%);
  opacity: 0.6;
}
.timeline-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.tl-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 10px;
}
.tl-date-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.tl-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-dim);
}
.tl-date i {
  color: var(--accent);
}
.tl-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(140,92,255,0.12);
  color: #B28CFF;
}
.tl-status.status-done {
  background: rgba(45,222,154,0.1);
  color: var(--success);
}
.tl-status.status-warn {
  background: rgba(255,198,94,0.1);
  color: var(--warn);
}
.tl-status.status-plan {
  background: rgba(255,91,106,0.1);
  color: var(--danger);
}
.tl-rank {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-light);
  color: var(--text-sub);
  font-size: 13px;
  font-weight: 700;
}
.tl-card-body h2,
.tl-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.45;
}
.tl-card-body .link-line {
  color: var(--text-sub);
  font-size: 15px;
  transition: color var(--transition-fast);
}
.tl-card-body .link-line:hover {
  color: var(--accent);
}
.tl-card-body p {
  color: var(--text-sub);
  font-size: 15px;
  margin-top: 8px;
}
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 500;
  font-size: 14px;
  transition: gap var(--transition-fast), color var(--transition-fast);
}
.btn-link:hover {
  gap: 10px;
  color: var(--secondary);
}
.more-btn {
  text-align: center;
  margin: 48px 0 0 0;
}
.more-btn .load-more {
  background: transparent;
  border: 1px solid var(--border-light);
  padding: 12px 34px;
  border-radius: 999px;
  color: var(--text-sub);
  font-size: 14px;
  transition: all var(--transition-fast);
}
.more-btn .load-more:hover {
  border-color: var(--primary);
  color: #B28CFF;
  background: rgba(140,92,255,0.08);
}

/* ===== Highlight Panel ===== */
.highlight-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  margin: 0 auto 88px;
  position: relative;
  overflow: hidden;
}
.highlight-panel .panel-head {
  text-align: center;
  margin-bottom: 48px;
}
.highlight-panel .panel-head span {
  display: inline-block;
  background: rgba(35,230,204,0.08);
  border: 1px solid rgba(35,230,204,0.2);
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 22px;
  margin: 0 auto 16px;
}
.highlight-panel .panel-head h3 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.highlight-panel .panel-head p {
  color: var(--text-dim);
  font-size: 14px;
  max-width: 660px;
  margin: 0 auto;
}
.panel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.panel-item {
  text-align: center;
  padding: 24px 18px;
}
.panel-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(140,92,255,0.1);
  color: #B28CFF;
  font-size: 18px;
  transition: all var(--transition-fast);
}
.panel-item:hover .panel-icon {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 6px 18px rgba(140,92,255,0.35);
}
.panel-item h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}
.panel-item p {
  color: var(--text-dim);
  font-size: 13px;
  margin: 0;
}
.panel-bottom-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  border-top: 1px solid var(--border-light);
  padding-top: 32px;
}
.panel-bottom-grid .message-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  color: var(--text-sub);
  font-size: 13px;
  text-align: center;
  min-height: 50px;
  transition: all var(--transition-fast);
}
.panel-bottom-grid .message-item:hover {
  border-color: rgba(35,230,204,0.3);
  color: var(--accent);
}
.panel-bottom-grid .message-item i {
  color: var(--accent);
}

/* ===== Guide Banner CTA ===== */
.cta-panel {
  max-width: 1200px;
  margin: 0 auto 100px;
  padding: 0 24px;
}
.cta-inner {
  position: relative;
  border-radius: 32px;
  padding: 64px 64px;
  background: var(--gradient-dark);
  border: 1px solid var(--border-light);
  overflow: hidden;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}
.cta-inner::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(140,92,255,0.18);
  filter: blur(80px);
  left: -80px;
  top: -100px;
}
.cta-inner::after {
  content: '';
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255,77,140,0.15);
  filter: blur(60px);
  right: -40px;
  bottom: -60px;
}
.cta-content {
  position: relative;
  z-index: 2;
  flex: 1;
}
.cta-content h3 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.cta-content p {
  color: var(--text-sub);
  font-size: 16px;
  margin: 0;
}
.cta-action {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
  flex-wrap: wrap;
}
.btn-secondary {
  border: 1px solid var(--border-light);
  border-radius: 999px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  background: rgba(255,255,255,0.04);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-base);
  min-height: 48px;
  justify-content: center;
}
.btn-secondary:hover {
  border-color: var(--primary);
  color: #B28CFF;
  box-shadow: 0 0 24px rgba(140,92,255,0.18);
}

/* ===== News tips ===== */
.tips-section {
  padding: 0 0 96px;
}
.tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tips-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: all var(--transition-base);
  position: relative;
}
.tips-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.tips-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(140,92,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: #B28CFF;
  margin-bottom: 16px;
}
.tips-card h4 {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}
.tips-card p {
  color: var(--text-sub);
  font-size: 14px;
  margin-bottom: 16px;
  line-height: 1.85;
}
.tips-card ul {
  margin: 0;
}
.tips-card ul li {
  color: var(--text-dim);
  font-size: 13px;
  padding: 3px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tips-card ul li i {
  font-size: 12px;
  color: var(--accent);
}

/* ===== FAQ ===== */
.faq-section {
  padding: 0 0 96px;
  position: relative;
}
.faq-head {
  text-align: center;
  margin-bottom: 44px;
}
.faq-head span {
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 2px;
  display: block;
  margin-bottom: 8px;
}
.faq-head h2 {
  font-size: 34px;
  font-weight: 700;
  color: #fff;
  position: relative;
  padding-bottom: 0;
}
.faq-wrap {
  max-width: 960px;
  margin: 0 auto;
}
.faq-item {
  background: #151B2D;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition-fast);
}
.faq-item.active {
  border-color: rgba(140,92,255,0.45);
  box-shadow: 0 0 24px rgba(140,92,255,0.08);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 20px 28px;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  background: transparent;
  transition: color var(--transition-fast);
}
.faq-question:hover {
  color: #B28CFF;
}
.faq-item.active .faq-question {
  color: #fff;
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-sub);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
}
.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-body-inner {
  padding: 0 28px 20px;
  color: var(--text-sub);
  font-size: 15px;
}
.faq-body-inner p {
  margin-bottom: 8px;
}
.faq-more {
  text-align: center;
  margin-top: 28px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 48px;
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-about p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.85;
  max-width: 360px;
  margin-bottom: 20px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: var(--text-sub);
  font-size: 14px;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}
.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 22px 0;
}
.footer-bottom span {
  color: var(--text-dim);
  font-size: 13px;
}
.footer-bottom span a {
  color: var(--text-dim);
  font-size: 13px;
}
.footer-bottom span a:hover {
  color: var(--accent);
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Responsive Styles ===== */
@media screen and (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .desktop-nav-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
  .mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(11,14,22,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    padding: 24px 32px 32px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
    border-radius: 0 0 0 0;
  }
  .mobile-menu.open {
    transform: translateY(0);
  }
  .mobile-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 12px;
    color: var(--text-sub);
    font-size: 15px;
    transition: all var(--transition-fast);
  }
  .mobile-menu a i {
    width: 20px;
    color: var(--accent);
  }
  .mobile-menu a:hover,
  .mobile-menu a.active {
    background: rgba(140,92,255,0.1);
    color: #fff;
  }
  .mobile-menu .menu-cta {
    margin-top: 16px;
    display: flex;
    justify-content: center;
  }
  .page-banner h1 {
    font-size: 38px;
  }
  .panel-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .panel-bottom-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-inner {
    padding: 48px 40px;
    flex-direction: column;
    text-align: center;
  }
  .cta-action {
    justify-content: center;
  }
  .tips-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media screen and (max-width: 640px) {
  .nav-inner {
    padding: 0 20px;
  }
  .brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    font-size: 16px;
  }
  .brand-text {
    font-size: 17px;
  }
  .page-banner {
    padding: 130px 0 48px;
  }
  .page-banner h1 {
    font-size: 30px;
  }
  .page-banner p {
    font-size: 15px;
  }
  .timeline-section {
    padding-top: 24px;
  }
  .timeline-control {
    flex-direction: column;
    padding: 0;
  }
  .timeline-control .tl-intro {
    text-align: center;
  }
  .tl-filter {
    justify-content: center;
  }
  .timeline-wrap {
    padding-left: 48px;
  }
  .timeline-wrap::before {
    left: 20px;
  }
  .timeline-node {
    left: 12px;
    width: 18px;
    height: 18px;
    top: 22px;
  }
  .timeline-card {
    padding: 22px 18px;
  }
  .tl-card-top {
    flex-direction: column;
    margin-bottom: 14px;
  }
  .tl-card-body h3 {
    font-size: 16px;
  }
  .tl-card-body p {
    font-size: 14px;
  }
  .highlight-panel {
    padding: 32px 20px;
    margin-bottom: 60px;
  }
  .highlight-panel .panel-head {
    margin-bottom: 24px;
  }
  .highlight-panel .panel-head h3 {
    font-size: 20px;
  }
  .panel-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0px;
  }
  .panel-item {
    padding: 18px 8px;
  }
  .panel-icon {
    width: 40px;
    height: 40px;
    font-size: 15px;
  }
  .panel-item h4 {
    font-size: 15px;
  }
  .panel-bottom-grid {
    grid-template-columns: 1fr 1fr;
    padding-top: 20px;
  }
  .panel-bottom-grid .message-item {
    font-size: 12px;
    min-height: 44px;
    padding: 8px 10px;
    border-radius: 12px;
  }
  .cta-panel {
    padding: 0 16px;
    margin-bottom: 60px;
  }
  .cta-inner {
    padding: 36px 24px;
    border-radius: 24px;
    gap: 24px;
    text-align: center;
  }
  .cta-action {
    width: 100%;
  }
  .cta-action .btn-primary,
  .cta-action .btn-secondary {
    width: 100%;
  }
  .faq-wrap {
    padding: 0 4px;
  }
  .faq-question {
    padding: 18px 18px;
    font-size: 15px;
  }
  .faq-body-inner {
    padding: 0 18px 16px;
    font-size: 14px;
  }
  .faq-head h2 {
    font-size: 24px;
  }
  .tips-grid {
    padding: 0;
  }
  .tips-card {
    padding: 24px 20px;
  }
  .tips-card h4 {
    font-size: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-about p {
    font-size: 14px;
  }
  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
  .footer-bottom span {
    font-size: 12px;
  }
}

/* roulang page: category4 */
:root {
  --bg-deep: #070A11;
  --bg-night: #0A0D16;
  --bg-panel: #121828;
  --bg-card: #151B2D;
  --bg-inner: #1A2133;
  --brand-purple: #8C5CFF;
  --brand-pink: #FF4D8C;
  --brand-gradient: linear-gradient(135deg, #8C5CFF 0%, #FF4D8C 100%);
  --accent-cyan: #23E6CC;
  --warm: #FFC65E;
  --success: #2DDE9A;
  --danger: #FF5B6A;
  --text-main: #F0F2F8;
  --text-sub: #A9B4D0;
  --text-dim: #68738F;
  --border-soft: rgba(255, 255, 255, 0.09);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.18);
  --shadow-hover: 0 18px 48px rgba(0, 0, 0, 0.26);
  --spacing-section: 96px;
  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "-apple-system", sans-serif;
}

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

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

body {
  margin: 0;
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--bg-night);
  -webkit-font-smoothing: antialiased;
}

body.no-scroll {
  overflow: hidden;
}

img,
svg,
video,
canvas {
  max-width: 100%;
  height: auto;
  border: 0;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, opacity 0.25s ease;
}

a:hover,
a:focus {
  color: #FF7FAE;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  letter-spacing: 0;
}

h1 {
  font-size: 48px;
  line-height: 1.18;
}

h2 {
  font-size: 34px;
}

h3 {
  font-size: 24px;
}

p {
  margin: 0 0 1.2em;
}

ul {
  padding: 0;
  margin: 0 0 1.2em;
  list-style: none;
}

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

.grid-container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

.grid-container .grid-container {
  padding-left: 0;
  padding-right: 0;
}

.grid-padding-x > .cell {
  padding-left: 16px;
  padding-right: 16px;
}

.section-space {
  padding-top: var(--spacing-section);
  padding-bottom: var(--spacing-section);
}

.section-sub {
  position: relative;
  background: var(--bg-night);
}

.text-gradient {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-cyan {
  color: var(--accent-cyan);
}

/* Header Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1200;
  width: 100%;
  height: 72px;
  background: rgba(7, 10, 17, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  border-radius: 14px;
}

.brand:hover .brand-text strong {
  text-shadow: 0 0 18px rgba(255, 77, 140, 0.65);
}

.brand-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--brand-gradient);
  color: #fff;
  font-size: 18px;
  box-shadow: 0 8px 24px rgba(140, 92, 255, 0.35);
}

.brand-text {
  color: #fff;
  font-size: 17px;
  font-weight: 400;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.brand-text strong {
  color: #F4D9FF;
  font-weight: 700;
  transition: text-shadow 0.25s ease;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
}

.main-nav a {
  display: inline-block;
  padding: 9px 14px;
  border-radius: 14px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.5;
  position: relative;
}

.main-nav a:hover,
.main-nav a:focus {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.main-nav a.active {
  color: #fff;
  font-weight: 600;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
  background: rgba(140, 92, 255, 0.08);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: -2px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand-purple), var(--brand-pink));
  box-shadow: 0 0 12px rgba(140, 92, 255, 0.8);
}

.nav-cta {
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 0;
  cursor: pointer;
  transition: all 0.25s ease;
  padding: 0 22px;
  height: 46px;
  line-height: 1;
  background: transparent;
  color: var(--text-main);
}

.btn-primary {
  background: var(--brand-gradient);
  box-shadow: 0 8px 24px rgba(140, 92, 255, 0.28);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 38px rgba(140, 92, 255, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
  filter: brightness(0.92);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-soft);
  color: #ECECFF;
}

.btn-ghost:hover,
.btn-ghost:focus {
  color: #fff;
  border-color: rgba(140, 92, 255, 0.8);
  box-shadow: 0 0 24px rgba(140, 92, 255, 0.25);
  background: rgba(140, 92, 255, 0.1);
  transform: translateY(-2px);
}

.btn-sm {
  height: 40px;
  padding: 0 18px;
  font-size: 14px;
}

.btn-lg {
  height: 52px;
  padding: 0 32px;
  font-size: 16px;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle:hover {
  border-color: rgba(140, 92, 255, 0.6);
  box-shadow: 0 0 16px rgba(140, 92, 255, 0.3);
}

.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  z-index: 1190;
  background: rgba(10, 13, 22, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.mobile-menu.open {
  max-height: 560px;
}

.mobile-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-sub);
  padding: 15px 24px;
  font-size: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.mobile-menu a i {
  width: 18px;
  text-align: center;
  color: var(--brand-purple);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  background: linear-gradient(90deg, rgba(140, 92, 255, 0.1), rgba(255, 77, 140, 0.06));
  color: #fff;
}

.mobile-menu a.menu-cta {
  margin: 14px 20px;
  border-radius: 999px;
  justify-content: center;
  border: 0;
  color: #fff;
}

/* Page Hero */
.story-hero {
  position: relative;
  padding: 170px 0 84px;
  overflow: hidden;
  background: var(--bg-night);
}

.story-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(10, 13, 22, 0.92) 0%, rgba(10, 13, 22, 0.78) 50%, rgba(10, 13, 22, 0.62) 100%),
    url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
}

.story-hero::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  top: 70px;
  right: 10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 77, 140, 0.16), transparent 65%);
  filter: blur(16px);
  z-index: 0;
  pointer-events: none;
}

.story-hero .grid-container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 34px;
}

.breadcrumb a {
  color: var(--text-sub);
}

.breadcrumb a:hover {
  color: #fff;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-cyan);
  font-size: 13px;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
  background: rgba(35, 230, 204, 0.1);
  border: 1px solid rgba(35, 230, 204, 0.24);
  border-radius: 999px;
  padding: 6px 14px;
}

.story-hero h1 {
  max-width: 760px;
  color: #fff;
  font-size: 52px;
  margin-bottom: 20px;
}

.story-hero h1 .text-gradient {
  display: inline-block;
}

.hero-lead {
  color: #C1C9DD;
  font-size: 18px;
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 32px;
}

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

@media (max-width: 639px) {
  .story-hero {
    padding: 136px 0 64px;
  }

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

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

/* Story Intro */
.story-intro {
  background: var(--bg-night);
  position: relative;
}

.story-intro .grid-x {
  align-items: center;
}

.story-photo {
  position: relative;
  margin: 0;
  border-radius: 32px;
  overflow: hidden;
  background: linear-gradient(145deg, #1A2133, #121828);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
}

.story-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.photo-badge {
  position: absolute;
  left: 22px;
  bottom: 22px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(10, 13, 22, 0.78);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 8px 18px 8px 10px;
  backdrop-filter: blur(8px);
  color: var(--text-sub);
  font-size: 14px;
}

.photo-badge b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--brand-gradient);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}

.intro-copy {
  padding-left: 18px;
}

.section-kicker {
  color: var(--brand-purple);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-kicker.cyan {
  color: var(--accent-cyan);
}

.intro-copy h2,
.section-head h2 {
  font-size: 36px;
  margin-bottom: 16px;
}

.intro-copy p,
.section-head p {
  color: var(--text-sub);
  margin-bottom: 22px;
}

.check-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 28px;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #D5DBEA;
  font-size: 15px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 10px 14px;
}

.check-list li i {
  color: var(--success);
  font-size: 14px;
}

@media (max-width: 1023px) {
  .intro-copy {
    padding-left: 0;
    padding-top: 32px;
  }
}

@media (max-width: 640px) {
  .check-list {
    grid-template-columns: 1fr;
  }

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

/* Brand Principle */
.principle-section {
  background: #0B0F1A;
  position: relative;
  overflow: hidden;
  padding: var(--spacing-section) 0;
}

.principle-section::before {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  left: -120px;
  bottom: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(35, 230, 204, 0.07), transparent 65%);
  pointer-events: none;
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

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

.principle-item {
  display: flex;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 24px;
  padding: 28px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  box-shadow: var(--shadow-card);
}

.principle-item:hover {
  transform: translateY(-4px);
  border-color: rgba(140, 92, 255, 0.5);
  box-shadow: var(--shadow-hover);
  background: #171E32;
}

.principle-icon {
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: rgba(140, 92, 255, 0.12);
  color: #C5A8FF;
  font-size: 20px;
}

.principle-item h3 {
  font-size: 19px;
  margin-bottom: 6px;
}

.principle-item p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

@media (max-width: 800px) {
  .principle-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .principle-item {
    flex-direction: column;
  }
}

/* Journey Timeline */
.journey-section {
  background: var(--bg-night);
  padding: var(--spacing-section) 0;
  overflow: hidden;
}

.journey {
  margin-top: 48px;
  position: relative;
}

.journey-item {
  display: grid;
  grid-template-columns: 1fr 96px 1fr;
  gap: 36px;
  align-items: center;
  margin-bottom: 72px;
}

.journey-item:last-child {
  margin-bottom: 0;
}

.journey-copy {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 28px;
  padding: 36px;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.journey-copy:hover {
  border-color: rgba(140, 92, 255, 0.45);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.26);
  transform: translateY(-3px);
}

.step-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-cyan);
  background: rgba(35, 230, 204, 0.08);
  border: 1px solid rgba(35, 230, 204, 0.2);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.journey-copy h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.journey-copy p {
  color: var(--text-sub);
  font-size: 15px;
  margin-bottom: 0;
}

.journey-axis {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.journey-axis::before {
  content: "";
  position: absolute;
  top: -72px;
  bottom: -72px;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, rgba(140, 92, 255, 0.55) 18%, rgba(255, 77, 140, 0.55) 82%, transparent);
  opacity: 0.35;
}

.journey-axis:first-child::before {
  top: 40px;
}

.journey-dot {
  position: relative;
  z-index: 1;
  min-width: 76px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
  box-shadow: 0 0 0 6px rgba(140, 92, 255, 0.12), 0 12px 34px rgba(140, 92, 255, 0.35);
  white-space: nowrap;
}

.journey-item:nth-child(even) .journey-media {
  grid-column: 1;
  grid-row: 1;
}

.journey-item:nth-child(even) .journey-copy {
  grid-column: 3;
  grid-row: 1;
}

.journey-media {
  grid-column: 3;
  grid-row: 1;
}

.journey-media figure {
  margin: 0;
  border-radius: 32px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
  background: var(--bg-inner);
  position: relative;
}

.journey-media figure::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(10, 13, 22, 0) 70%, rgba(10, 13, 22, 0.2) 100%);
  pointer-events: none;
}

.journey-media img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform 0.45s ease;
  display: block;
}

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

@media (max-width: 1023px) {
  .journey-item,
  .journey-item:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .journey-axis::before {
    display: none;
  }

  .journey-dot {
    min-width: auto;
    width: auto;
    height: auto;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 13px;
  }

  .journey-media,
  .journey-item:nth-child(even) .journey-media,
  .journey-copy,
  .journey-item:nth-child(even) .journey-copy {
    grid-column: 1;
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .journey-copy {
    padding: 24px;
  }

  .journey-copy h3 {
    font-size: 18px;
  }
}

/* Quote Band */
.quote-band {
  position: relative;
  padding: 110px 0;
  background:
    linear-gradient(180deg, rgba(7, 10, 17, 0.88), rgba(10, 13, 22, 0.9)),
    url("/assets/images/backpic/back-3.webp") center / cover no-repeat;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  text-align: center;
}

.quote-band .grid-container {
  position: relative;
  z-index: 2;
  max-width: 900px;
  text-align: center;
}

.quote-band blockquote {
  margin: 0 0 36px;
  border: 0;
  padding: 0;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.5;
  color: #fff;
  text-shadow: 0 6px 38px rgba(0, 0, 0, 0.3);
}

.quote-band .quote-line {
  width: 54px;
  height: 4px;
  border-radius: 999px;
  background: var(--brand-gradient);
  margin: 0 auto 22px;
}

.metric-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 52px;
}

.metric-item {
  background: rgba(10, 13, 22, 0.72);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-soft);
  border-radius: 26px;
  padding: 24px 20px;
  text-align: center;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.metric-item:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 77, 140, 0.5);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
}

.metric-item b {
  display: block;
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.1;
  background: linear-gradient(135deg, #fff, #D9C7FF);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}

.metric-item span {
  display: block;
  color: #AEB8D2;
  font-size: 13px;
}

@media (max-width: 800px) {
  .metric-band {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .quote-band blockquote {
    font-size: 21px;
  }

  .metric-band {
    grid-template-columns: 1fr;
  }
}

/* FAQ */
.faq-section {
  background: #0B0F1A;
  padding: var(--spacing-section) 0;
  position: relative;
}

.faq-section .section-head {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.faq-panel {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 22px;
  padding: 0;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.faq-item[open] {
  border-color: rgba(140, 92, 255, 0.45);
  background: #171E32;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.26);
}

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

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

.faq-item summary::after {
  content: "\f054";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 13px;
  color: var(--accent-cyan);
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-soft);
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.faq-item[open] summary::after {
  transform: rotate(90deg);
  background: rgba(140, 92, 255, 0.16);
  color: #C5A8FF;
}

.faq-item p {
  color: var(--text-sub);
  font-size: 15px;
  padding: 0 24px 22px;
  margin: 0;
  line-height: 1.8;
}

@media (max-width: 520px) {
  .faq-item summary {
    font-size: 15px;
    padding: 16px 18px;
  }

  .faq-item p {
    padding: 0 18px 18px;
  }
}

/* CTA */
.cta-section {
  background: var(--bg-night);
  padding: var(--spacing-section) 0;
}

.cta-card {
  background: linear-gradient(145deg, rgba(140, 92, 255, 0.16), rgba(255, 77, 140, 0.14)), var(--bg-panel);
  border: 1px solid rgba(140, 92, 255, 0.32);
  border-radius: 36px;
  padding: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 44px;
  box-shadow: 0 16px 56px rgba(140, 92, 255, 0.12);
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(35, 230, 204, 0.08), transparent 65%);
  pointer-events: none;
}

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

.cta-card p {
  color: var(--text-sub);
  margin-bottom: 0;
  font-size: 16px;
  max-width: 520px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .cta-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 36px 28px;
  }
}

@media (max-width: 520px) {
  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

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

/* Footer */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 52px;
}

.footer-about .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 16px;
}

.footer-about .footer-logo .brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  font-size: 16px;
}

.footer-about .brand-text strong {
  color: #F4D9FF;
}

.footer-about p {
  margin-top: 18px;
  color: var(--text-dim);
  font-size: 14px;
  max-width: 360px;
  line-height: 1.8;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 99px;
  background: var(--brand-gradient);
}

.footer-col ul {
  margin: 0;
}

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

.footer-col a {
  color: var(--text-sub);
  font-size: 14px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  color: var(--text-dim);
  font-size: 13px;
}

.footer-bottom .container {
  align-items: center;
}

@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .site-footer {
    padding-top: 48px;
  }

  .footer-bottom .container {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }
}

/* Responsive Breakpoints */
@media (max-width: 1023px) {
  .main-nav,
  .desktop-nav-cta {
    display: none;
  }

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

  .nav-inner {
    padding: 0 20px;
  }
}

@media (max-width: 520px) {
  :root {
    --spacing-section: 56px;
  }

  .section-space {
    padding-top: var(--spacing-section);
    padding-bottom: var(--spacing-section);
  }

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

  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  h1 {
    font-size: 30px;
  }

  h2 {
    font-size: 24px;
  }

  h3 {
    font-size: 18px;
  }

  body {
    font-size: 15px;
  }

  .brand-text {
    font-size: 15px;
  }
}