/* roulang page: index */
:root{
  --bg-dark:#0b1220;
  --bg-deep:#101a2e;
  --panel:#101a2e;
  --brand:#1e5eff;
  --green:#3dffb8;
  --orange:#ff7a45;
  --heading:#f2f6ff;
  --body:#b8c4de;
  --muted:#73809a;
  --glass:rgba(255,255,255,.06);
  --glass-border:rgba(255,255,255,.08);
  --glass-highlight:inset 0 1px 0 rgba(255,255,255,.1);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-block:24px;
  --shadow-card:0 8px 32px rgba(0,0,0,.3);
  --shadow-hover:0 16px 48px rgba(30,94,255,.25);
  --shadow-glow:0 0 20px rgba(61,255,184,.4);
  --shadow-glow-hover:0 0 36px rgba(61,255,184,.6);
  --container:1200px;
  --space-section:96px;
  --space-section-m:56px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",sans-serif;
  --font-num:"DIN Alternate","Bebas Neue","Roboto Condensed","Arial Narrow",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  background:var(--bg-dark);
  color:var(--body);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .25s ease}
img{max-width:100%;height:auto;display:block;border:0}
button,input,textarea{font-family:inherit;font-size:inherit;border:none;outline:none}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
i.fa-solid,i.fa-regular,i.fa-brands{font-family:"Font Awesome 6 Free","Font Awesome 6 Brands";}
::selection{background:rgba(61,255,184,.25);color:#fff}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:var(--radius-btn);
  font-weight:700;
  font-size:15px;
  line-height:1;
  cursor:pointer;
  transition:all .3s ease;
  text-align:center;
  border:1px solid transparent;
  min-height:44px;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--green));
  color:#061224;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{
  box-shadow:var(--shadow-glow-hover);
  transform:translateY(-2px);
}
.btn-primary:active{
  transform:translateY(0) scale(.98);
}
.btn-primary:focus-visible{
  outline:2px solid rgba(61,255,184,.5);
  outline-offset:3px;
}
.btn-outline{
  background:transparent;
  border-color:rgba(255,255,255,.3);
  color:var(--body);
}
.btn-outline:hover{
  border-color:rgba(255,255,255,.7);
  color:#fff;
  transform:translateY(-2px);
}
.btn-outline:active{transform:translateY(0) scale(.98)}
.btn-outline:focus-visible{
  outline:2px solid rgba(255,255,255,.4);
  outline-offset:3px;
}
.btn-sm{padding:9px 18px;font-size:13px;min-height:38px}
.btn-block{width:100%}
.btn .arrow{transition:transform .25s ease}
.btn:hover .arrow{transform:translateX(4px)}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  height:72px;
  background:rgba(11,18,32,.75);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .35s ease,box-shadow .35s ease;
}
.site-header.scrolled{
  background:rgba(11,18,32,.88);
  box-shadow:0 8px 30px rgba(0,0,0,.35);
}
.nav-wrap{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-icon{
  width:38px;height:38px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--green));
  display:flex;align-items:center;justify-content:center;
  color:#061224;font-size:18px;
  box-shadow:0 0 18px rgba(61,255,184,.35);
}
.brand-text{
  font-size:20px;
  font-weight:800;
  color:var(--heading);
  letter-spacing:.5px;
  white-space:nowrap;
}
.brand-text em{
  font-style:normal;
  font-size:12px;
  font-weight:500;
  color:var(--green);
  background:rgba(61,255,184,.12);
  border:1px solid rgba(61,255,184,.3);
  border-radius:var(--radius-pill);
  padding:2px 8px;
  margin-left:4px;
  vertical-align:middle;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  display:block;
  padding:9px 16px;
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  color:var(--body);
  transition:all .25s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link.active{
  color:#fff;
  background:rgba(30,94,255,.15);
  box-shadow:inset 0 0 0 1px rgba(30,94,255,.3);
}
.nav-extra{
  display:flex;
  align-items:center;
  gap:14px;
}
.countdown-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(11,18,32,.7);
  border:1px solid rgba(255,255,255,.1);
  padding:7px 14px;
  border-radius:var(--radius-pill);
  font-size:12px;
  color:var(--muted);
  white-space:nowrap;
}
.countdown-badge .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--green);
  box-shadow:0 0 10px var(--green);
  animation:pulse 1.8s infinite;
}
.countdown-badge b{
  font-family:var(--font-num);
  color:var(--orange);
  font-size:14px;
  font-weight:700;
  letter-spacing:1px;
}
@keyframes pulse{
  0%,100%{opacity:1}
  50%{opacity:.3}
}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:10px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.menu-toggle span{
  display:block;
  width:18px;height:2px;
  background:#fff;
  border-radius:2px;
  transition:all .3s ease;
}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mobile drawer */
.mobile-drawer{
  display:none;
  position:fixed;
  top:72px;left:0;right:0;
  background:var(--bg-dark);
  border-bottom:1px solid rgba(255,255,255,.06);
  padding:16px 24px 28px;
  z-index:99;
  box-shadow:0 20px 40px rgba(0,0,0,.4);
}
.mobile-drawer.open{display:block}
.mobile-drawer .nav-link{
  padding:14px 12px;
  font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.04);
}
.mobile-drawer .nav-link.active{
  color:var(--green);
  background:transparent;
  box-shadow:none;
}
.mobile-drawer .drawer-cta{
  margin-top:18px;
  display:grid;
  gap:10px;
}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:720px;
  min-height:100vh;
  display:flex;
  align-items:center;
  background:
    radial-gradient(ellipse at 18% 15%,rgba(30,94,255,.35),transparent 50%),
    radial-gradient(circle at 82% 35%,rgba(61,255,184,.14),transparent 32%),
    linear-gradient(112deg,rgba(11,18,32,.92) 0%,rgba(11,18,32,.78) 55%,rgba(16,26,46,.9) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0px,transparent 2px,transparent 28px);
  pointer-events:none;
}
.hero-content{
  position:relative;
  z-index:2;
  max-width:640px;
  padding-top:80px;
  padding-bottom:80px;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(30,94,255,.15);
  border:1px solid rgba(30,94,255,.35);
  color:#aac7ff;
  font-size:13px;
  font-weight:500;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  letter-spacing:1px;
  text-transform:uppercase;
  margin-bottom:24px;
}
.hero-tag i{color:var(--green)}
.hero-title{
  font-size:84px;
  font-weight:800;
  line-height:1.08;
  color:var(--heading);
  letter-spacing:-1px;
  margin-bottom:22px;
}
.hero-title .grad{
  background:linear-gradient(120deg,#4d8bff,var(--green));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-subtitle{
  font-size:17px;
  line-height:1.8;
  color:var(--body);
  margin-bottom:36px;
  max-width:520px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-bottom:16px;
}
.hero-note{
  font-size:13px;
  color:var(--muted);
  margin-top:16px;
}
.hero-scroll{
  position:absolute;
  bottom:36px;left:50%;
  transform:translateX(-50%);
  z-index:3;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  color:var(--muted);
  font-size:12px;
  letter-spacing:2px;
}
.hero-scroll i{
  font-size:18px;
  animation:bounceDown 1.6s infinite;
}
@keyframes bounceDown{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(8px)}
}
.hero-card{
  position:absolute;
  right:60px;
  bottom:90px;
  z-index:3;
  width:250px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  padding:18px 20px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card),var(--glass-highlight);
}
.hero-card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:10px;
}
.hero-card-top .label{
  font-size:12px;color:var(--muted);
}
.hero-card-top i{color:var(--green);font-size:18px}
.hero-card-metric{
  font-family:var(--font-num);
  font-size:32px;
  font-weight:700;
  color:var(--heading);
  line-height:1.2;
}
.hero-card-metric small{
  font-size:13px;
  color:var(--muted);
  font-family:var(--font-cn);
  font-weight:400;
  margin-left:4px;
}
.hero-card-bottom{
  display:flex;
  align-items:center;
  gap:6px;
  margin-top:10px;
  font-size:12px;
  color:var(--green);
}
.hero-card-bottom .bar{
  flex:1;
  height:4px;
  background:rgba(255,255,255,.1);
  border-radius:2px;
  overflow:hidden;
}
.hero-card-bottom .bar span{
  display:block;
  height:100%;
  background:linear-gradient(90deg,var(--brand),var(--green));
  width:86%;
  border-radius:2px;
}

/* ===== Sections common ===== */
.section{
  padding:var(--space-section) 0;
  position:relative;
}
.section-solid{
  background:var(--bg-deep);
}
.section-header{
  text-align:center;
  max-width:640px;
  margin:0 auto 48px;
}
.section-tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--green);
  background:rgba(61,255,184,.1);
  border:1px solid rgba(61,255,184,.25);
  border-radius:var(--radius-pill);
  padding:6px 14px;
  margin-bottom:16px;
}
.section-title{
  font-size:34px;
  font-weight:800;
  color:var(--heading);
  line-height:1.25;
  margin-bottom:14px;
}
.section-subtitle{
  font-size:16px;
  color:var(--muted);
  line-height:1.7;
}

/* ===== Features ===== */
.features-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.feature-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  padding:28px;
  overflow:hidden;
  box-shadow:var(--shadow-card),var(--glass-highlight);
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.feature-card::before{
  content:"";
  position:absolute;
  top:0;left:24px;right:24px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(61,255,184,.2);
}
.feature-card--wide{
  grid-column:span 2;
}
.feature-num{
  position:absolute;
  top:20px;right:22px;
  font-family:var(--font-num);
  font-size:38px;
  font-weight:700;
  color:rgba(255,255,255,.07);
  line-height:1;
}
.feature-icon{
  width:52px;height:52px;
  border-radius:14px;
  background:linear-gradient(135deg,rgba(30,94,255,.2),rgba(61,255,184,.15));
  border:1px solid rgba(61,255,184,.2);
  display:flex;align-items:center;justify-content:center;
  color:var(--green);
  font-size:22px;
  margin-bottom:20px;
}
.feature-card--wide .feature-icon{
  width:60px;height:60px;font-size:26px;
}
.feature-card h3{
  font-size:20px;
  font-weight:700;
  color:var(--heading);
  margin-bottom:10px;
}
.feature-card--wide h3{
  font-size:24px;
}
.feature-card p{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
}
.feature-card--wide .feature-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
  margin-top:18px;
}
.feature-list li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--body);
}
.feature-list li i{
  color:var(--green);
  font-size:13px;
  flex-shrink:0;
}

/* ===== Showcase ===== */
.showcase-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.showcase-panel{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-block);
  padding:32px;
  box-shadow:var(--shadow-card),var(--glass-highlight);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.panel-title{
  font-size:14px;
  color:var(--muted);
  letter-spacing:1px;
  margin-bottom:24px;
  display:flex;
  align-items:center;
  gap:8px;
}
.panel-title i{color:var(--green)}
.data-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.data-item{
  background:rgba(11,18,32,.55);
  border:1px solid rgba(255,255,255,.06);
  border-radius:14px;
  padding:20px;
}
.data-item .value{
  font-family:var(--font-num);
  font-size:38px;
  font-weight:700;
  color:var(--heading);
  line-height:1.1;
}
.data-item .value .unit{
  font-size:16px;
  color:var(--muted);
  font-family:var(--font-cn);
  font-weight:400;
  margin-left:3px;
}
.data-item .label-text{
  font-size:13px;
  color:var(--muted);
  margin-top:6px;
}
.data-trend{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-size:12px;
  font-weight:600;
  color:var(--green);
  margin-top:8px;
  background:rgba(61,255,184,.1);
  padding:3px 8px;
  border-radius:6px;
}
.progress-group{
  margin-top:26px;
}
.progress-row{
  margin-bottom:16px;
}
.progress-head{
  display:flex;
  justify-content:space-between;
  font-size:13px;
  color:var(--body);
  margin-bottom:8px;
}
.progress-head b{
  font-family:var(--font-num);
  color:var(--heading);
}
.progress-track{
  height:6px;
  background:rgba(255,255,255,.07);
  border-radius:3px;
  overflow:hidden;
}
.progress-bar{
  height:100%;
  border-radius:3px;
  background:linear-gradient(90deg,var(--brand),var(--green));
  width:0;
  transition:width 1.2s ease;
}
.progress-bar.is-orange{
  background:linear-gradient(90deg,#ff9a5a,var(--orange));
}
.showcase-visual{
  position:relative;
  border-radius:var(--radius-block);
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--bg-deep);
  box-shadow:var(--shadow-card);
}
.showcase-visual img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.showcase-visual:hover img{transform:scale(1.03)}
.showcase-visual .visual-tag{
  position:absolute;
  top:16px;left:16px;
  background:rgba(11,18,32,.75);
  backdrop-filter:blur(8px);
  border:1px solid rgba(61,255,184,.3);
  color:var(--green);
  font-size:12px;
  font-weight:600;
  padding:6px 12px;
  border-radius:var(--radius-pill);
}
.showcase-visual .play-btn{
  position:absolute;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:64px;height:64px;
  border-radius:50%;
  background:rgba(61,255,184,.85);
  color:#061224;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
  box-shadow:0 0 40px rgba(61,255,184,.5);
  transition:all .3s ease;
}
.showcase-visual .play-btn:hover{
  transform:translate(-50%,-50%) scale(1.1);
  box-shadow:0 0 60px rgba(61,255,184,.7);
}

/* ===== Proof ===== */
.proof-list{
  display:flex;
  flex-direction:column;
  gap:48px;
}
.proof-item{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.proof-item:nth-child(even){
  direction:rtl;
}
.proof-item>*{
  direction:ltr;
}
.proof-image{
  border-radius:var(--radius-block);
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--bg-deep);
  box-shadow:var(--shadow-card);
  position:relative;
}
.proof-image img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.proof-image:hover img{transform:scale(1.04)}
.proof-image .proof-badge{
  position:absolute;
  bottom:14px;left:14px;
  background:rgba(11,18,32,.78);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.12);
  border-radius:10px;
  padding:8px 14px;
  font-size:13px;
  color:var(--heading);
  font-weight:600;
}
.proof-content{}
.proof-content .proof-name{
  font-size:23px;
  font-weight:800;
  color:var(--heading);
  margin-bottom:8px;
}
.proof-content .proof-org{
  font-size:14px;
  color:var(--muted);
  margin-bottom:14px;
  display:flex;align-items:center;gap:6px;
}
.proof-content .proof-org i{color:var(--orange)}
.proof-content .proof-desc{
  font-size:15px;
  color:var(--body);
  line-height:1.75;
  margin-bottom:18px;
}
.proof-stats{
  display:flex;
  gap:32px;
  flex-wrap:wrap;
}
.proof-stats .stat{
  text-align:center;
  padding:12px 20px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:14px;
  min-width:110px;
}
.proof-stats .stat b{
  display:block;
  font-family:var(--font-num);
  font-size:28px;
  color:var(--heading);
  line-height:1.2;
}
.proof-stats .stat span{
  font-size:12px;
  color:var(--muted);
}
.brands-strip{
  margin-top:64px;
  text-align:center;
}
.brands-strip .strip-title{
  font-size:13px;
  color:var(--muted);
  letter-spacing:2px;
  margin-bottom:22px;
  text-transform:uppercase;
}
.brands-row{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:18px 40px;
}
.brand-logo-text{
  font-size:16px;
  font-weight:700;
  color:rgba(255,255,255,.35);
  letter-spacing:1px;
  transition:color .3s ease;
  filter:grayscale(1);
  white-space:nowrap;
}
.brand-logo-text:hover{
  color:var(--heading);
  filter:none;
}

/* ===== Pricing ===== */
.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:start;
}
.pricing-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-block);
  padding:32px 28px;
  text-align:center;
  box-shadow:var(--shadow-card),var(--glass-highlight);
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.pricing-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.pricing-card--featured{
  background:linear-gradient(160deg,rgba(30,94,255,.12),rgba(61,255,184,.06)),var(--glass);
  border-color:rgba(61,255,184,.35);
  box-shadow:0 0 30px rgba(61,255,184,.15),var(--shadow-card);
  transform:translateY(-12px);
  z-index:2;
}
.pricing-card--featured:hover{
  transform:translateY(-16px);
  box-shadow:0 0 44px rgba(61,255,184,.24),var(--shadow-hover);
}
.pricing-badge{
  position:absolute;
  top:-12px;left:50%;
  transform:translateX(-50%);
  background:linear-gradient(135deg,var(--brand),var(--green));
  color:#061224;
  font-size:12px;
  font-weight:800;
  padding:5px 16px;
  border-radius:var(--radius-pill);
  white-space:nowrap;
  box-shadow:0 4px 16px rgba(61,255,184,.35);
}
.pricing-name{
  font-size:17px;
  font-weight:700;
  color:var(--heading);
  margin-bottom:8px;
}
.pricing-price{
  font-family:var(--font-num);
  font-size:40px;
  font-weight:700;
  color:var(--heading);
  line-height:1.1;
  margin-bottom:4px;
}
.pricing-price small{
  font-size:14px;
  color:var(--muted);
  font-family:var(--font-cn);
  font-weight:400;
}
.pricing-desc{
  font-size:13px;
  color:var(--muted);
  margin-bottom:22px;
}
.pricing-list{
  text-align:left;
  margin-bottom:26px;
}
.pricing-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--body);
  padding:8px 0;
  border-bottom:1px solid rgba(255,255,255,.04);
}
.pricing-list li:last-child{border-bottom:none}
.pricing-list li i{
  color:var(--green);
  font-size:13px;
  margin-top:4px;
  flex-shrink:0;
}

/* ===== FAQ ===== */
.qa-wrap{
  display:grid;
  grid-template-columns:1fr 1.6fr;
  gap:56px;
  align-items:start;
}
.qa-intro .section-title{
  text-align:left;
}
.qa-intro .section-subtitle{
  text-align:left;
  margin-bottom:26px;
}
.qa-contact-btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card),var(--glass-highlight);
  transition:border-color .3s ease;
}
.faq-item.open{
  border-color:rgba(61,255,184,.25);
}
.faq-question{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 22px;
  cursor:pointer;
  user-select:none;
}
.faq-q-icon{
  width:30px;height:30px;
  border-radius:50%;
  background:rgba(30,94,255,.15);
  border:1px solid rgba(30,94,255,.3);
  color:#aac7ff;
  font-size:14px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.faq-question h4{
  flex:1;
  font-size:16px;
  font-weight:600;
  color:var(--heading);
  line-height:1.4;
}
.faq-toggle{
  width:26px;height:26px;
  border-radius:50%;
  background:rgba(255,255,255,.06);
  color:var(--muted);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
  transition:all .35s ease;
  flex-shrink:0;
}
.faq-item.open .faq-toggle{
  transform:rotate(45deg);
  color:var(--green);
  background:rgba(61,255,184,.12);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .4s ease;
}
.faq-answer-inner{
  padding:0 22px 22px 66px;
  font-size:14px;
  color:var(--body);
  line-height:1.8;
  border-top:1px solid rgba(255,255,255,.04);
  padding-top:14px;
}

/* ===== News / CMS list ===== */
.news-list{
  display:flex;
  flex-direction:column;
  gap:16px;
  max-width:820px;
  margin:0 auto 32px;
}
.news-item{
  display:grid;
  grid-template-columns:150px 1fr 44px;
  gap:24px;
  align-items:center;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  padding:22px 26px;
  box-shadow:var(--shadow-card),var(--glass-highlight);
  transition:transform .3s ease,box-shadow .3s ease,border-left-color .3s ease;
  border-left:3px solid transparent;
}
.news-item:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
  border-left-color:var(--brand);
}
.news-date-block{
  text-align:center;
  background:rgba(11,18,32,.5);
  border:1px solid rgba(255,255,255,.06);
  border-radius:14px;
  padding:10px 6px;
}
.news-date-block .day{
  display:block;
  font-family:var(--font-num);
  font-size:34px;
  font-weight:700;
  color:var(--orange);
  line-height:1;
}
.news-date-block .month{
  display:block;
  font-size:12px;
  color:var(--muted);
  margin-top:4px;
}
.news-date-block .cat{
  display:inline-block;
  font-size:11px;
  color:var(--green);
  background:rgba(61,255,184,.1);
  border-radius:4px;
  padding:2px 8px;
  margin-top:8px;
}
.news-content .news-title{
  font-size:18px;
  font-weight:700;
  color:var(--heading);
  margin-bottom:6px;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .25s ease;
}
.news-item:hover .news-title{color:var(--green)}
.news-content .news-excerpt{
  font-size:14px;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  line-height:1.7;
}
.news-arrow{
  width:44px;height:44px;
  border-radius:50%;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);
  font-size:16px;
  transition:all .3s ease;
}
.news-item:hover .news-arrow{
  background:var(--brand);
  color:#fff;
  border-color:var(--brand);
  transform:translateX(3px);
}
.news-empty{
  text-align:center;
  padding:60px 20px;
  background:var(--glass);
  border:1px dashed rgba(255,255,255,.12);
  border-radius:var(--radius-card);
  color:var(--muted);
  font-size:15px;
}
.news-more{
  text-align:center;
  margin-top:16px;
}
.news-more .btn{display:inline-flex}

/* ===== CTA section ===== */
.cta-section{
  position:relative;
  padding:96px 0;
  background:
    radial-gradient(ellipse at 20% 40%,rgba(30,94,255,.25),transparent 50%),
    radial-gradient(circle at 80% 60%,rgba(61,255,184,.12),transparent 30%),
    linear-gradient(135deg,rgba(11,18,32,.92),rgba(16,26,46,.88)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  text-align:center;
  overflow:hidden;
}
.cta-inner{
  position:relative;
  z-index:2;
  max-width:640px;
  margin:0 auto;
}
.cta-title{
  font-size:40px;
  font-weight:800;
  color:var(--heading);
  line-height:1.25;
  margin-bottom:18px;
}
.cta-title .grad{
  background:linear-gradient(120deg,#4d8bff,var(--green));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.cta-desc{
  font-size:16px;
  color:var(--body);
  margin-bottom:34px;
}
.cta-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:16px;
}

/* ===== Footer ===== */
.site-footer{
  background:#070d18;
  border-top:1px solid rgba(255,255,255,.05);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-text{font-size:18px}
.footer-desc{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
  max-width:300px;
}
.footer-col h5{
  font-size:15px;
  font-weight:700;
  color:var(--heading);
  margin-bottom:18px;
}
.footer-col ul li{
  margin-bottom:10px;
}
.footer-col ul a{
  font-size:14px;
  color:var(--muted);
  transition:color .25s ease,padding-left .25s ease;
}
.footer-col ul a:hover{
  color:var(--green);
  padding-left:4px;
}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--muted);
  margin-bottom:12px;
}
.footer-contact li i{
  color:var(--green);
  margin-top:4px;
  width:16px;
  text-align:center;
}
.footer-social{
  display:flex;
  gap:10px;
  margin-top:6px;
}
.footer-social a{
  width:38px;height:38px;
  border-radius:10px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);
  font-size:16px;
  transition:all .3s ease;
}
.footer-social a:hover{
  color:#061224;
  background:var(--green);
  border-color:var(--green);
  transform:translateY(-3px);
  box-shadow:0 8px 20px rgba(61,255,184,.25);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.05);
  padding:22px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:var(--muted);
}

/* ===== Float mobile CTA ===== */
.float-cta{
  display:none;
  position:fixed;
  right:16px;
  bottom:16px;
  z-index:98;
  width:54px;height:54px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--green));
  color:#061224;
  font-size:22px;
  box-shadow:0 0 28px rgba(61,255,184,.5);
  align-items:center;
  justify-content:center;
  transition:transform .3s ease;
}
.float-cta:hover{transform:scale(1.08)}

/* ===== Responsive ===== */
@media (min-width:1024px){
  .main-nav{display:flex}
  .mobile-drawer{display:none!important}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .menu-toggle{display:flex}
  .countdown-badge{display:none}
  .hero-title{font-size:52px}
  .hero-card{display:none}
  .showcase-wrap{grid-template-columns:1fr;gap:40px}
  .proof-item{grid-template-columns:1fr;gap:28px}
  .proof-item:nth-child(even){direction:ltr}
  .pricing-grid{grid-template-columns:1fr 1fr}
  .pricing-card--featured{transform:translateY(0)}
  .pricing-card--featured:hover{transform:translateY(-4px)}
  .qa-wrap{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{--space-section:72px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hero{min-height:640px}
  .hero-title{font-size:38px}
  .hero-subtitle{font-size:15px}
  .hero-actions .btn{flex:1 1 100%;justify-content:center}
  .hero-scroll{display:none}
  .section{--space-section:56px}
  .section-title{font-size:26px}
  .features-grid{grid-template-columns:1fr}
  .feature-card--wide{grid-column:span 1}
  .feature-card--wide .feature-list{grid-template-columns:1fr}
  .data-grid{grid-template-columns:1fr 1fr;gap:14px}
  .data-item .value{font-size:28px}
  .pricing-grid{grid-template-columns:1fr}
  .pricing-card--featured{transform:translateY(0);order:-1}
  .pricing-card--featured:hover{transform:translateY(-4px)}
  .news-item{grid-template-columns:1fr;gap:14px;padding:18px}
  .news-date-block{display:flex;align-items:center;gap:14px;text-align:left;padding:10px 14px}
  .news-date-block .day{font-size:24px}
  .news-date-block .cat{margin-top:0}
  .news-arrow{display:none}
  .qa-intro .section-title{text-align:left}
  .faq-answer-inner{padding-left:22px}
  .cta-title{font-size:30px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .float-cta{display:flex}
}
@media (max-width:520px){
  .brand-text{font-size:16px}
  .brand-icon{width:34px;height:34px;font-size:16px}
  .hero-title{font-size:32px}
  .hero-subtitle{font-size:14px}
  .data-grid{grid-template-columns:1fr}
  .showcase-panel{padding:20px}
  .proof-stats{gap:14px}
  .proof-stats .stat{min-width:90px;padding:10px 14px}
  .proof-stats .stat b{font-size:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg-primary:#0B1220;
  --bg-secondary:#101A2E;
  --brand-blue:#1E5EFF;
  --accent-green:#3DFFB8;
  --warning-orange:#FF7A45;
  --text-title:#F2F6FF;
  --text-body:#B8C4DE;
  --text-muted:#73809A;
  --success:#34D399;
  --error:#F87171;
  --glass-bg:rgba(255,255,255,0.06);
  --glass-border:rgba(255,255,255,0.08);
  --glass-highlight:inset 0 1px 0 rgba(255,255,255,0.1);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-badge:999px;
  --shadow-card:0 8px 32px rgba(0,0,0,0.3);
  --shadow-card-hover:0 16px 48px rgba(30,94,255,0.25);
  --font-cn:'PingFang SC','Microsoft YaHei','Noto Sans CJK SC','Helvetica Neue',Arial,sans-serif;
  --font-num:'DIN Alternate','Roboto Condensed','Bebas Neue',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-cn);background:var(--bg-primary);color:var(--text-body);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:all .25s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section-title{font-size:28px;font-weight:700;color:var(--text-title);letter-spacing:.01em}
.section-subtitle{font-size:15px;color:var(--text-muted);margin-top:8px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(11,18,32,.85);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{
  width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--brand-blue),var(--accent-green));
  display:flex;align-items:center;justify-content:center;color:#061224;font-size:16px;box-shadow:0 0 16px rgba(61,255,184,.35);
}
.brand-text{font-size:22px;font-weight:800;color:var(--text-title);letter-spacing:.02em}
.brand-text em{font-style:normal;color:var(--accent-green)}
.main-nav{display:flex;align-items:center;gap:32px}
.nav-link{
  font-size:15px;font-weight:500;color:var(--text-body);padding:8px 2px;position:relative;
  letter-spacing:.03em;
}
.nav-link::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;
  background:linear-gradient(90deg,var(--brand-blue),var(--accent-green));
  transition:width .3s ease;border-radius:2px;
}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--text-title)}
.header-actions{display:flex;align-items:center;gap:16px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;border-radius:var(--radius-btn);
  padding:12px 24px;transition:all .3s ease;cursor:pointer;border:1px solid transparent;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-blue),var(--accent-green));
  color:#061224;box-shadow:0 0 20px rgba(61,255,184,.35);font-weight:700;
}
.btn-primary:hover{box-shadow:0 0 36px rgba(61,255,184,.6);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus{outline:2px solid rgba(61,255,184,.5);outline-offset:2px}
.btn-outline{
  background:transparent;border:1px solid rgba(255,255,255,.3);color:var(--text-body);
}
.btn-outline:hover{border-color:var(--accent-green);color:#fff}
.btn-sm{padding:8px 18px;font-size:14px}
.menu-toggle{display:none;width:42px;height:42px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:8px;background:rgba(255,255,255,.06)}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--text-title);border-radius:2px;transition:all .3s ease}

/* ===== Article Banner ===== */
.article-banner{
  position:relative;padding:60px 0 40px;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(11,18,32,.92),rgba(16,26,46,.88) 70%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.article-banner .container{position:relative;z-index:2}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(61,255,184,.1);border:1px solid rgba(61,255,184,.35);
  color:var(--accent-green);font-size:12px;font-weight:600;
  padding:5px 16px;border-radius:var(--radius-badge);letter-spacing:.08em;text-transform:uppercase;
}
.banner-tag i{font-size:10px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:20px;font-size:13px;color:var(--text-muted)}
.breadcrumb a{color:var(--text-muted);transition:color .2s}
.breadcrumb a:hover{color:var(--accent-green)}
.bc-sep{opacity:.5}
.bc-current{color:var(--text-body);max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== Article Layout ===== */
.article-section{padding:64px 0 32px}
.article-layout{display:flex;gap:32px;align-items:flex-start}
.article-main{flex:0 1 780px;min-width:0}
.article-sidebar{width:300px;flex-shrink:0;position:sticky;top:96px;display:flex;flex-direction:column;gap:24px}

.article-card{
  background:var(--bg-secondary);
  border:1px solid var(--glass-border);
  border-top:3px solid var(--brand-blue);
  border-radius:var(--radius-card);
  padding:40px;
  box-shadow:var(--shadow-card);
}
.article-header h1{
  font-size:36px;line-height:1.3;color:var(--text-title);font-weight:800;
  margin-bottom:16px;letter-spacing:.01em;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:28px}
.meta-item{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-muted)}
.meta-item i{color:var(--accent-green);font-size:12px}
.category-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(30,94,255,.15);border:1px solid rgba(30,94,255,.3);
  color:#8fb4ff;font-size:12px;font-weight:600;
  padding:3px 14px;border-radius:var(--radius-badge);
}
.category-badge i{font-size:10px}

.article-content{font-size:16px;line-height:1.8;color:var(--text-body)}
.article-content p{margin:0 0 1.4em}
.article-content h2{
  font-size:24px;font-weight:700;color:var(--text-title);
  margin:1.6em 0 .8em;padding-left:16px;border-left:3px solid var(--brand-blue);
}
.article-content h3{font-size:19px;font-weight:600;color:var(--text-title);margin:1.4em 0 .6em}
.article-content blockquote{
  margin:1.6em 0;padding:20px 24px;
  background:rgba(30,94,255,.08);
  border-left:4px solid var(--brand-blue);
  border-radius:0 12px 12px 0;
  color:var(--text-body);font-size:15px;
}
.article-content blockquote p{margin:0}
.article-content img{border-radius:12px;margin:20px 0;box-shadow:var(--shadow-card)}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:24px}
.article-content li{margin-bottom:.5em}
.article-content ul li{list-style:disc}
.article-content ol li{list-style:decimal}
.article-content a{color:var(--accent-green);border-bottom:1px solid rgba(61,255,184,.3)}
.article-content a:hover{color:#fff;border-bottom-color:#fff}
.article-content figcaption,.article-content .image-caption{font-size:13px;color:var(--text-muted);text-align:center;margin:-12px 0 20px}

/* ===== Not Found ===== */
.not-found{text-align:center;padding:60px 20px}
.not-found i{font-size:48px;color:var(--text-muted);margin-bottom:16px}
.not-found h2{font-size:28px;color:var(--text-title);margin-bottom:12px}
.not-found p{color:var(--text-muted);margin-bottom:28px}

/* ===== Sidebar ===== */
.sidebar-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-card);
}
.sidebar-title{
  font-size:18px;font-weight:700;color:var(--text-title);
  padding-bottom:14px;margin-bottom:18px;position:relative;
}
.sidebar-title::after{
  content:'';position:absolute;left:0;bottom:0;width:36px;height:3px;
  background:linear-gradient(90deg,var(--brand-blue),var(--accent-green));
  border-radius:3px;
}
.toc-list li{margin-bottom:10px}
.toc-list a{
  display:block;font-size:14px;color:var(--text-body);
  padding:6px 12px;border-radius:8px;
  border-left:2px solid transparent;
  transition:all .2s;
}
.toc-list a:hover{
  color:var(--accent-green);background:rgba(61,255,184,.06);
  border-left-color:var(--accent-green);
}
.toc-list a.toc-sub{padding-left:28px;font-size:13px;color:var(--text-muted)}
.popular-list li{margin-bottom:6px}
.popular-list a{
  display:flex;align-items:flex-start;gap:12px;
  padding:12px;border-radius:12px;
  transition:background .2s;
}
.popular-list a:hover{background:rgba(61,255,184,.06)}
.popular-num{
  font-family:var(--font-num);font-size:20px;font-weight:700;
  color:var(--warning-orange);opacity:.7;line-height:1;
  min-width:28px;
}
.popular-info{flex:1;min-width:0}
.popular-title{
  display:block;font-size:14px;font-weight:500;color:var(--text-body);
  line-height:1.4;margin-bottom:4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.popular-list a:hover .popular-title{color:var(--accent-green)}
.popular-date{font-family:var(--font-num);font-size:12px;color:var(--text-muted)}

/* ===== Related ===== */
.related-section{padding:48px 0 32px}
.related-section .container{max-width:780px;margin:0 auto}
.related-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:28px;
}
.related-header h2{font-size:26px;font-weight:700;color:var(--text-title);position:relative}
.related-header h2::after{
  content:'';position:absolute;left:0;bottom:-8px;width:32px;height:3px;
  background:linear-gradient(90deg,var(--brand-blue),var(--accent-green));
  border-radius:3px;
}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
.related-card-media{aspect-ratio:16/10;overflow:hidden}
.related-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-card-media img{transform:scale(1.05)}
.related-card-body{padding:16px 18px 18px}
.related-card-body h3{
  font-size:15px;font-weight:600;color:var(--text-title);
  line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-date{font-family:var(--font-num);font-size:12px;color:var(--text-muted)}
.related-footer{text-align:center;margin-top:40px}

/* ===== CTA ===== */
.cta-section{
  position:relative;padding:72px 0;margin-top:48px;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(11,18,32,.9) 0%,rgba(16,26,46,.85) 60%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  text-align:center;
}
.cta-section::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(61,255,184,.15),transparent 70%);
}
.cta-inner{position:relative;z-index:2}
.cta-inner h2{font-size:32px;font-weight:800;color:var(--text-title);margin-bottom:12px}
.cta-inner p{font-size:16px;color:var(--text-muted);margin-bottom:32px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-inner .btn{font-size:16px;padding:14px 36px}

/* ===== Footer ===== */
.site-footer{background:#060B16;border-top:1px solid rgba(255,255,255,.05);padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.05)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand-blue),var(--accent-green));display:flex;align-items:center;justify-content:center;color:#061224;font-size:15px}
.footer-brand .brand-text{font-size:20px;font-weight:800;color:var(--text-title)}
.footer-brand .brand-text em{font-style:normal;color:var(--accent-green)}
.footer-desc{font-size:14px;color:var(--text-muted);line-height:1.7;max-width:320px}
.footer-col h5{font-size:15px;font-weight:600;color:var(--text-title);margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--text-muted);transition:color .2s}
.footer-col ul a:hover{color:var(--accent-green)}
.footer-contact li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted)}
.footer-contact i{color:var(--accent-green);width:16px;text-align:center}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);font-size:15px;transition:all .3s;
}
.footer-social a:hover{background:rgba(61,255,184,.15);color:var(--accent-green);border-color:rgba(61,255,184,.3)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:22px 0;font-size:13px;color:var(--text-muted)}
.footer-bottom span{display:inline-flex;align-items:center;gap:6px}

/* ===== Responsive ===== */
@media(max-width:1023px){
  .article-layout{flex-direction:column}
  .article-main{flex:1 1 100%;max-width:780px;margin:0 auto}
  .article-sidebar{
    width:100%;position:static;flex-direction:row;flex-wrap:wrap;
    max-width:780px;margin:24px auto 0;
  }
  .sidebar-card{flex:1 1 calc(50% - 12px);min-width:260px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:767px){
  .container{padding:0 16px}
  .header-inner{height:64px}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;
    background:var(--bg-primary);
    flex-direction:column;gap:0;
    padding:0 24px 24px;
    transform:translateY(-120%);opacity:0;
    transition:transform .35s ease,opacity .35s ease;
    border-bottom:1px solid rgba(255,255,255,.06);
    box-shadow:0 16px 32px rgba(0,0,0,.4);
    z-index:999;display:flex;
  }
  .main-nav.open{transform:translateY(0);opacity:1}
  .nav-link{padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.05);font-size:16px}
  .menu-toggle{display:flex}
  .menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .menu-toggle.active span:nth-child(2){opacity:0}
  .menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
  .header-actions .btn-sm{display:none}
  .article-banner{padding:40px 0 28px}
  .article-card{padding:24px 18px}
  .article-header h1{font-size:28px}
  .article-meta{flex-direction:column;align-items:flex-start;gap:8px}
  .breadcrumb{font-size:12px}
  .bc-current{max-width:160px}
  .related-grid{grid-template-columns:1fr}
  .cta-inner h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
}
@media(max-width:520px){
  .related-grid{grid-template-columns:1fr}
  .section-title{font-size:24px}
  .article-card{padding:20px 14px}
  .article-content h2{font-size:20px}
  .sidebar-card{flex:1 1 100%}
}

/* roulang page: category1 */
:root {
  --bg-primary: #0B1220;
  --bg-secondary: #101A2E;
  --bg-elevated: #141E36;
  --card-glass: rgba(255, 255, 255, 0.06);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --brand-blue: #1E5EFF;
  --accent-green: #3DFFB8;
  --warning-orange: #FF7A45;
  --text-title: #F2F6FF;
  --text-body: #B8C4DE;
  --text-weak: #73809A;
  --success: #34D399;
  --error: #F87171;
  --radius-card: 16px;
  --radius-large: 24px;
  --radius-btn: 10px;
  --radius-badge: 999px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 16px 48px rgba(30, 94, 255, 0.25);
  --glow-green: 0 0 20px rgba(61, 255, 184, 0.4);
  --glow-green-hover: 0 0 36px rgba(61, 255, 184, 0.6);
  --container: 1200px;
  --nav-height: 72px;
  --section-space: 96px;
  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", "Arial Narrow", sans-serif;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-cn);
  background: var(--bg-primary);
  color: var(--text-body);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color .3s ease;
}
ul {
  list-style: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / Navigation ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(11, 18, 32, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background .4s ease, box-shadow .4s ease;
}
.site-header.scrolled {
  background: rgba(11, 18, 32, 0.92);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}
.header-inner {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: 32px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-blue), var(--accent-green));
  color: #061224;
  font-size: 17px;
  box-shadow: 0 0 18px rgba(30, 94, 255, 0.35);
}
.brand-text {
  font-size: 21px;
  font-weight: 800;
  color: var(--text-title);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.brand-text em {
  font-style: normal;
  background: linear-gradient(90deg, var(--brand-blue), var(--accent-green));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-left: 2px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: auto;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 18px;
  border-radius: var(--radius-badge);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-body);
  transition: all .3s ease;
  position: relative;
}
.nav-link:hover {
  color: var(--text-title);
  background: rgba(255, 255, 255, 0.05);
}
.nav-link.active {
  color: var(--text-title);
  background: rgba(30, 94, 255, 0.18);
  box-shadow: inset 0 0 0 1px rgba(30, 94, 255, 0.3);
}
.header-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: rgba(61, 255, 184, 0.1);
  border: 1px solid rgba(61, 255, 184, 0.35);
  border-radius: var(--radius-badge);
  font-size: 13px;
  color: var(--accent-green);
  font-weight: 600;
  white-space: nowrap;
}
.live-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse 1.6s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.btn-header {
  height: 40px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  background: linear-gradient(90deg, var(--brand-blue), var(--accent-green));
  color: #061224;
  font-size: 14px;
  font-weight: 700;
  box-shadow: var(--glow-green);
  transition: all .3s ease;
  white-space: nowrap;
}
.btn-header:hover {
  box-shadow: var(--glow-green-hover);
  transform: translateY(-2px);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 1100;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-title);
  border-radius: 4px;
  transition: all .35s ease;
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Buttons ===== */
.btn-glow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 52px;
  padding: 0 34px;
  border-radius: var(--radius-btn);
  background: linear-gradient(90deg, var(--brand-blue), var(--accent-green));
  color: #061224;
  font-size: 16px;
  font-weight: 700;
  box-shadow: var(--glow-green);
  transition: all .3s ease;
  border: none;
  cursor: pointer;
}
.btn-glow:hover {
  box-shadow: var(--glow-green-hover);
  transform: translateY(-2px);
}
.btn-glow:active {
  transform: translateY(1px);
}
.btn-glow:focus-visible {
  outline: 2px solid rgba(61, 255, 184, 0.5);
  outline-offset: 3px;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 52px;
  padding: 0 34px;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--text-body);
  font-size: 16px;
  font-weight: 600;
  background: transparent;
  transition: all .3s ease;
  cursor: pointer;
}
.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-green);
  font-size: 15px;
  font-weight: 600;
  transition: all .3s ease;
}
.btn-text i {
  transition: transform .3s ease;
}
.btn-text:hover i {
  transform: translateX(4px);
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-height) + 60px) 0 70px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16/6;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(11, 18, 32, 0.95) 0%, rgba(11, 18, 32, 0.75) 50%, rgba(11, 18, 32, 0.4) 100%),
    radial-gradient(ellipse at 80% 30%, rgba(30, 94, 255, 0.25), transparent 60%);
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: repeating-linear-gradient(115deg, transparent 0px, transparent 20px, rgba(255, 255, 255, 0.02) 21px, transparent 22px);
}
.hero-inner {
  position: relative;
  z-index: 2;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent-green);
  text-transform: uppercase;
  margin-bottom: 18px;
  padding: 6px 16px;
  border-radius: var(--radius-badge);
  background: rgba(61, 255, 184, 0.08);
  border: 1px solid rgba(61, 255, 184, 0.25);
}
.hero-inner h1 {
  font-size: 64px;
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.1;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.hero-inner h1 span {
  background: linear-gradient(90deg, var(--brand-blue), var(--accent-green));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-inner p {
  max-width: 620px;
  font-size: 17px;
  color: var(--text-body);
  margin-bottom: 34px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 36px;
  height: 36px;
  color: rgba(255, 255, 255, 0.4);
  animation: bounce 2s ease infinite;
  display: flex;
  align-items: center;
  justify-content: center;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== Section Base ===== */
.section {
  padding: var(--section-space) 0;
}
.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 52px;
}
.section-kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-green);
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== Featured Card ===== */
.featured-section {
  background: var(--bg-primary);
  position: relative;
}
.featured-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(30, 94, 255, 0.2), transparent 70%);
  pointer-events: none;
}
.feature-card {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  background: var(--bg-secondary);
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-glass);
  transition: box-shadow .4s ease;
}
.feature-card:hover {
  box-shadow: var(--shadow-card-hover);
}
.feature-media {
  position: relative;
  min-height: 360px;
  overflow: hidden;
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
  transition: transform .6s ease;
}
.feature-card:hover .feature-media img {
  transform: scale(1.03);
}
.feature-body {
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.feature-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  margin-bottom: 16px;
  border-radius: var(--radius-badge);
  background: rgba(255, 122, 69, 0.12);
  border: 1px solid rgba(255, 122, 69, 0.3);
  color: var(--warning-orange);
  font-size: 13px;
  font-weight: 600;
  align-self: flex-start;
}
.feature-body h3 {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.35;
  margin-bottom: 14px;
}
.feature-body > p {
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 22px;
}
.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  margin-bottom: 26px;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-body);
}
.feature-list i {
  color: var(--accent-green);
  font-size: 15px;
  flex-shrink: 0;
}

/* ===== Services Grid ===== */
.services-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}
.services-section::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  right: -160px;
  top: -160px;
  background: radial-gradient(circle, rgba(61, 255, 184, 0.08), transparent 70%);
  pointer-events: none;
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.service-card {
  position: relative;
  padding: 30px;
  border-radius: var(--radius-card);
  background: var(--card-glass);
  border: 1px solid var(--border-glass);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-card);
  transition: transform .4s ease, box-shadow .4s ease;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--accent-green));
  border-radius: 0 0 4px 0;
  opacity: 0;
  transition: opacity .4s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.service-card:hover::before {
  opacity: 1;
}
.service-card.card-span {
  grid-column: span 2;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 24px;
  padding: 36px 32px;
}
.card-num {
  position: absolute;
  top: 18px;
  right: 22px;
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.18);
}
.card-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(30, 94, 255, 0.25), rgba(61, 255, 184, 0.15));
  color: var(--accent-green);
  font-size: 20px;
  margin-bottom: 18px;
  border: 1px solid rgba(61, 255, 184, 0.2);
}
.service-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 10px;
}
.service-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}
.card-span .card-icon {
  grid-row: span 2;
  width: 60px;
  height: 60px;
  font-size: 24px;
  margin-bottom: 0;
}
.card-span h3 {
  font-size: 22px;
}
.card-span p {
  font-size: 15px;
  max-width: 90%;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
  grid-column: 2;
}
.card-tags span {
  padding: 5px 14px;
  border-radius: var(--radius-badge);
  background: rgba(30, 94, 255, 0.12);
  border: 1px solid rgba(30, 94, 255, 0.25);
  color: var(--text-body);
  font-size: 13px;
}

/* ===== Scenario Section ===== */
.scenario-section {
  background: var(--bg-primary);
}
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.scenario-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.scenario-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(30, 94, 255, 0.18);
  border-color: rgba(30, 94, 255, 0.3);
}
.scenario-media {
  overflow: hidden;
  aspect-ratio: 4/3;
}
.scenario-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.scenario-card:hover .scenario-media img {
  transform: scale(1.06);
}
.scenario-body {
  padding: 20px 20px 24px;
}
.scenario-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 7px;
}
.scenario-body p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.6;
}

/* ===== Process Section ===== */
.process-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 20%;
  width: 700px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(30, 94, 255, 0.12), transparent 70%);
  transform: translateX(-50%);
  pointer-events: none;
}
.process-grid {
  display: flex;
  align-items: stretch;
  gap: 16px;
}
.process-card {
  flex: 1;
  padding: 32px 26px;
  border-radius: var(--radius-card);
  background: var(--card-glass);
  border: 1px solid var(--border-glass);
  border-top: 2px solid rgba(30, 94, 255, 0.5);
  box-shadow: var(--shadow-card);
  transition: transform .4s ease, box-shadow .4s ease;
  position: relative;
}
.process-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.process-step {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-green);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.process-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 10px;
}
.process-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}
.process-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  font-size: 20px;
  flex-shrink: 0;
  width: 24px;
}

/* ===== Stats Section ===== */
.stats-section {
  background: var(--bg-primary);
  position: relative;
}
.stats-section::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: radial-gradient(ellipse at 20% 100%, rgba(30, 94, 255, 0.18), transparent 60%);
  pointer-events: none;
}
.stats-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  background: var(--bg-secondary);
  border-radius: var(--radius-large);
  padding: 48px 50px;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.stats-panel::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  right: -80px;
  top: -80px;
  background: radial-gradient(circle, rgba(61, 255, 184, 0.08), transparent 70%);
  pointer-events: none;
}
.stats-info h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-title);
  margin-bottom: 14px;
}
.stats-info > p {
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 30px;
}
.progress-item {
  display: grid;
  grid-template-columns: 120px 1fr 52px;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.progress-label {
  font-size: 13px;
  color: var(--text-body);
}
.progress-track {
  height: 8px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.progress-track span {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--brand-blue), var(--accent-green));
  box-shadow: 0 0 12px rgba(61, 255, 184, 0.4);
}
.progress-item strong {
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--accent-green);
  text-align: right;
}
.stats-numbers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-content: center;
}
.stat-card {
  padding: 30px 24px;
  border-radius: var(--radius-card);
  background: var(--card-glass);
  border: 1px solid var(--border-glass);
  text-align: center;
  transition: transform .4s ease, box-shadow .4s ease;
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.stat-value {
  display: block;
  font-family: var(--font-num);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-title);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.stat-value em {
  font-style: normal;
  color: var(--accent-green);
}
.stat-label {
  font-size: 13px;
  color: var(--text-weak);
}

/* ===== FAQ Section ===== */
.faq-section {
  background: var(--bg-secondary);
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.4fr;
  gap: 50px;
}
.faq-heading h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.3;
  margin-bottom: 16px;
}
.faq-heading p {
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  border-radius: var(--radius-card);
  background: var(--card-glass);
  border: 1px solid var(--border-glass);
  overflow: hidden;
  transition: border-color .3s ease, background .3s ease;
}
.faq-item.active {
  border-color: rgba(30, 94, 255, 0.4);
  background: rgba(255, 255, 255, 0.08);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  text-align: left;
  transition: color .3s ease;
}
.faq-question:hover {
  color: var(--accent-green);
}
.faq-q-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(30, 94, 255, 0.18);
  border: 1px solid rgba(30, 94, 255, 0.35);
  color: var(--brand-blue);
  font-size: 13px;
  font-weight: 800;
}
.faq-question-text {
  flex: 1;
}
.faq-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  position: relative;
  margin-left: auto;
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: var(--text-body);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: all .35s ease;
}
.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.faq-item.active .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
  padding: 0 22px;
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.8;
}
.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 22px 20px;
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--bg-primary);
  position: relative;
  padding: 90px 0;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 18, 32, 0.92) 0%, rgba(11, 18, 32, 0.82) 50%, rgba(11, 18, 32, 0.92) 100%);
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: 40px;
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.3;
  margin-bottom: 16px;
}
.cta-content p {
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 34px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 40px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-desc {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h5 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 18px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-weak);
  transition: color .3s ease;
}
.footer-col ul li a:hover {
  color: var(--accent-green);
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-weak);
}
.footer-contact i {
  width: 16px;
  color: var(--accent-green);
  font-size: 13px;
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--card-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-body);
  transition: all .3s ease;
}
.footer-social a:hover {
  background: rgba(30, 94, 255, 0.18);
  color: var(--accent-green);
  border-color: rgba(30, 94, 255, 0.3);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-weak);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root {
    --section-space: 72px;
  }
  .feature-card {
    grid-template-columns: 1fr 1fr;
  }
  .feature-body {
    padding: 30px 24px;
  }
  .feature-list {
    grid-template-columns: 1fr;
  }
  .scenario-grid {
    grid-template-columns: 1fr 1fr;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .stats-panel {
    grid-template-columns: 1fr;
    padding: 36px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .process-grid {
    flex-direction: column;
  }
  .process-arrow {
    transform: rotate(90deg);
    width: auto;
    height: 24px;
  }
}
@media (max-width: 768px) {
  :root {
    --section-space: 56px;
  }
  .header-inner {
    gap: 12px;
  }
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--nav-height) + 20px) 30px;
    gap: 4px;
    display: none;
    background: var(--bg-primary);
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.4);
    border-left: 1px solid var(--border-glass);
  }
  .main-nav.open {
    display: flex;
  }
  .nav-link {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-btn);
    font-size: 17px;
  }
  .header-meta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .page-hero {
    min-height: 540px;
    padding: calc(var(--nav-height) + 40px) 0 60px;
  }
  .hero-inner h1 {
    font-size: 44px;
  }
  .hero-inner p {
    font-size: 16px;
  }
  .btn-glow, .btn-outline {
    min-height: 44px;
    padding: 0 24px;
    font-size: 15px;
  }
  .section-head h2 {
    font-size: 28px;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .service-card.card-span {
    grid-column: span 1;
    grid-template-columns: 1fr;
    padding: 28px 24px;
  }
  .card-span .card-icon {
    grid-row: auto;
    margin-bottom: 16px;
  }
  .card-tags {
    grid-column: auto;
  }
  .feature-card {
    grid-template-columns: 1fr;
  }
  .feature-media {
    min-height: 220px;
  }
  .feature-media img {
    aspect-ratio: 16/10;
  }
  .stats-panel {
    padding: 28px 20px;
  }
  .progress-item {
    grid-template-columns: 90px 1fr 48px;
    gap: 10px;
  }
  .stat-value {
    font-size: 36px;
  }
  .cta-content h2 {
    font-size: 30px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .hero-inner h1 {
    font-size: 36px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-glow, .btn-outline {
    justify-content: center;
    width: 100%;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  .feature-list {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .stats-numbers {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat-card {
    padding: 22px 16px;
  }
}

/* roulang page: category2 */
:root {
    --bg-deep: #0B1220;
    --bg-sub: #101A2E;
    --bg-card: rgba(255,255,255,0.06);
    --border-card: rgba(255,255,255,0.08);
    --light-top: inset 0 1px 0 rgba(255,255,255,0.1);
    --brand-blue: #1E5EFF;
    --accent-green: #3DFFB8;
    --warm-orange: #FF7A45;
    --text-title: #F2F6FF;
    --text-body: #B8C4DE;
    --text-weak: #73809A;
    --radius-card: 16px;
    --radius-btn: 10px;
    --radius-badge: 999px;
    --shadow-card: 0 8px 32px rgba(0,0,0,0.3);
    --shadow-hover: 0 16px 48px rgba(30,94,255,0.25);
    --shadow-glow: 0 0 20px rgba(61,255,184,0.4);
    --shadow-glow-hover: 0 0 36px rgba(61,255,184,0.6);
    --font-sans: PingFang SC, Microsoft YaHei, Noto Sans CJK SC, sans-serif;
    --font-num: DIN Alternate, Bebas Neue, Roboto Condensed, sans-serif;
    --container: 1200px;
    --spacer: 96px;
  }

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

  html {
    scroll-behavior: smooth;
  }

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

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

  a {
    color: var(--text-body);
    text-decoration: none;
    transition: color 0.3s ease;
  }

  button {
    font-family: var(--font-sans);
    cursor: pointer;
    border: none;
  }

  .container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
  }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 72px;
    z-index: 100;
    background: rgba(11, 18, 32, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: background 0.4s ease, box-shadow 0.4s ease;
  }

  .site-header.scrolled {
    background: rgba(11, 18, 32, 0.92);
    box-shadow: 0 16px 40px rgba(0,0,0,0.4);
  }

  .header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

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

  .brand-icon {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand-blue), var(--accent-green));
    color: #061224;
    border-radius: 10px;
    font-size: 18px;
    box-shadow: 0 0 16px rgba(61,255,184,0.35);
  }

  .brand-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-title);
    letter-spacing: 0;
  }

  .brand-text em {
    font-style: normal;
    background: linear-gradient(90deg, var(--brand-blue), var(--accent-green));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

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

  .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-body);
    position: relative;
    padding: 8px 4px;
    transition: color 0.3s;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-blue), var(--accent-green));
    border-radius: 2px;
    transition: width 0.3s ease;
  }

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

  .nav-link:hover::after,
  .nav-link.active::after {
    width: 100%;
  }

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

  .header-right {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: var(--radius-badge);
    background: rgba(61,255,184,0.1);
    border: 1px solid rgba(61,255,184,0.3);
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-green);
    white-space: nowrap;
  }

  .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
    animation: pulse-dot 2s infinite;
  }

  @keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    border-radius: var(--radius-btn);
    padding: 12px 28px;
    white-space: nowrap;
    transition: all 0.35s ease;
    line-height: 1.4;
  }

  .btn-primary {
    background: linear-gradient(135deg, var(--brand-blue), var(--accent-green));
    color: #061224;
    box-shadow: var(--shadow-glow);
    border: none;
  }

  .btn-primary:hover {
    box-shadow: var(--shadow-glow-hover);
    transform: translateY(-2px);
  }

  .btn-primary:active {
    transform: translateY(0) scale(0.98);
  }

  .btn-primary:focus-visible {
    outline: 2px solid rgba(61,255,184,0.5);
    outline-offset: 2px;
  }

  .btn-ghost {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    color: var(--text-body);
    padding: 12px 28px;
  }

  .btn-ghost:hover {
    border-color: rgba(255,255,255,0.7);
    color: #fff;
    transform: translateY(-1px);
  }

  .btn-light {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.15);
    color: var(--text-title);
    padding: 10px 22px;
    font-size: 14px;
  }

  .btn-light:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-1px);
  }

  .nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 10px;
    color: var(--text-title);
    font-size: 18px;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
  }

  .nav-toggle:hover {
    border-color: rgba(255,255,255,0.4);
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #0B1220;
    z-index: 90;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-menu a {
    font-size: 24px;
    color: var(--text-body);
    font-weight: 600;
  }

  .mobile-menu a.active {
    color: var(--accent-green);
  }

  .mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 10px;
    color: var(--text-title);
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .page-hero {
    position: relative;
    padding: 136px 0 64px;
    background: linear-gradient(135deg, #0B1220 0%, #101A2E 60%, #12233F 100%);
    overflow: hidden;
  }

  .page-hero::before {
    content: "";
    position: absolute;
    top: -100px;
    right: -80px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(30,94,255,0.35) 0%, transparent 70%);
    pointer-events: none;
  }

  .page-hero::after {
    content: "";
    position: absolute;
    bottom: -60px;
    left: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(61,255,184,0.18) 0%, transparent 70%);
    pointer-events: none;
  }

  .page-hero .hero-bg-img {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.12;
    pointer-events: none;
  }

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

  .page-hero-breadcrumb {
    font-size: 14px;
    color: var(--text-weak);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

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

  .page-hero h1 {
    font-size: 38px;
    font-weight: 800;
    color: var(--text-title);
    line-height: 1.25;
    margin-bottom: 20px;
    letter-spacing: 1px;
  }

  .page-hero h1 .highlight {
    background: linear-gradient(90deg, #1E5EFF, #3DFFB8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .page-hero-desc {
    max-width: 720px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-body);
  }

  .hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 36px;
  }

  .hero-stat-item {
    display: flex;
    flex-direction: column;
  }

  .hero-stat-num {
    font-family: var(--font-num);
    font-size: 44px;
    font-weight: 800;
    color: var(--text-title);
    line-height: 1;
    background: linear-gradient(135deg, #F2F6FF 30%, #3DFFB8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

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

  .section-block {
    padding: 72px 0;
    position: relative;
  }

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

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

  .section-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-badge);
    background: rgba(30,94,255,0.12);
    border: 1px solid rgba(30,94,255,0.25);
    color: #8AA9FF;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
  }

  .section-title {
    font-size: 34px;
    font-weight: 800;
    color: var(--text-title);
    line-height: 1.3;
    margin-bottom: 12px;
  }

  .section-desc {
    max-width: 680px;
    margin: 0 auto;
    font-size: 16px;
    color: var(--text-body);
    line-height: 1.8;
  }

  .featured-card {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    border-radius: 24px;
    overflow: hidden;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow-card);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
  }

  .featured-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
  }

  .featured-card-img {
    position: relative;
    min-height: 360px;
    overflow: hidden;
  }

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

  .featured-card-img .img-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: rgba(11,18,32,0.72);
    backdrop-filter: blur(8px);
    color: var(--accent-green);
    border: 1px solid rgba(61,255,184,0.25);
    border-radius: var(--radius-badge);
    font-size: 13px;
    font-weight: 600;
  }

  .featured-card-body {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .featured-card-body h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-title);
    margin-bottom: 16px;
  }

  .featured-card-body p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-body);
    margin-bottom: 20px;
  }

  .featured-list {
    list-style: none;
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .featured-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 14px;
    color: var(--text-body);
    width: calc(50% - 6px);
  }

  .featured-list li i {
    color: var(--accent-green);
    margin-top: 4px;
    font-size: 12px;
  }

  .btn-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--accent-green);
    font-size: 15px;
    transition: gap 0.3s;
    background: transparent;
    border: none;
    padding: 0;
  }

  .btn-text:hover {
    gap: 14px;
    color: #fff;
  }

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

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

  .card-scale {
    border-radius: var(--radius-card);
    overflow: hidden;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow-card);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    display: flex;
    flex-direction: column;
  }

  .card-scale:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
  }

  .card-scale-cover {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #101A2E;
  }

  .card-scale-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .card-scale:hover .card-scale-cover img {
    transform: scale(1.06);
  }

  .card-scale-cover .card-label {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background: rgba(11,18,32,0.72);
    backdrop-filter: blur(6px);
    color: var(--accent-green);
    border: 1px solid rgba(61,255,184,0.25);
    border-radius: var(--radius-badge);
    font-size: 12px;
    font-weight: 600;
  }

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

  .card-scale-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 10px;
  }

  .card-scale-body p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-body);
    margin-bottom: 16px;
    flex: 1;
  }

  .card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-weak);
    padding-top: 14px;
    border-top: 1px solid rgba(255,255,255,0.06);
  }

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

  /* 流程区 */
  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    counter-reset: process;
  }

  .process-card {
    position: relative;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-card);
    padding: 28px;
    box-shadow: var(--shadow-card);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    overflow: hidden;
  }

  .process-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-blue), var(--accent-green));
    opacity: 0.4;
  }

  .process-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
  }

  .process-num {
    font-family: var(--font-num);
    font-size: 32px;
    font-weight: 800;
    color: var(--accent-green);
    margin-bottom: 16px;
    line-height: 1;
    opacity: 0.85;
  }

  .process-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 10px;
  }

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

  /* 数据带 */
  .data-band {
    background: linear-gradient(90deg, #0D1830, #101A2E, #0D1830);
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .data-band-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding: 64px 0;
    text-align: center;
  }

  .data-number {
    font-family: var(--font-num);
    font-size: 54px;
    font-weight: 800;
    color: var(--text-title);
    line-height: 1;
    background: linear-gradient(135deg, #F2F6FF 30%, #3DFFB8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
  }

  .data-label {
    font-size: 15px;
    color: var(--text-body);
  }

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

  .faq-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.4fr;
    gap: 64px;
    align-items: flex-start;
  }

  .faq-head h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-title);
    line-height: 1.3;
    margin-bottom: 16px;
  }

  .faq-head p {
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 28px;
  }

  .faq-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .faq-item {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color 0.3s;
  }

  .faq-item.open {
    border-color: rgba(30,94,255,0.35);
  }

  .faq-q {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 24px;
    cursor: pointer;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    color: var(--text-title);
    font-size: 16px;
    font-weight: 600;
    font-family: var(--font-sans);
  }

  .faq-icon-q {
    width: 26px;
    height: 26px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30,94,255,0.2);
    color: #8AA9FF;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 800;
  }

  .faq-plus {
    margin-left: auto;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-weak);
    transition: transform 0.4s ease, color 0.3s;
  }

  .faq-item.open .faq-plus {
    transform: rotate(45deg);
    color: var(--accent-green);
  }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  .faq-a-inner {
    padding: 0 24px 22px 64px;
    font-size: 15px;
    line-height: 1.75;
    color: var(--text-body);
  }

  /* CTA */
  .cta-section {
    position: relative;
    padding: 88px 0;
    overflow: hidden;
    background: linear-gradient(135deg, #0B1220 0%, #101A2E 55%, #0D1A33 100%);
  }

  .cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    background-image: url('/assets/images/backpic/back-3.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
  }

  .cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
  }

  .cta-inner h2 {
    font-size: 34px;
    font-weight: 800;
    color: var(--text-title);
    margin-bottom: 16px;
  }

  .cta-inner p {
    max-width: 640px;
    margin: 0 auto 32px;
    font-size: 16px;
    color: var(--text-body);
  }

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

  .other-cats {
    padding: 48px 0;
    text-align: center;
  }

  .other-cats a {
    color: var(--text-weak);
    font-size: 15px;
  }

  .other-cats a:hover {
    color: var(--accent-green);
  }

  .other-cats i {
    margin-right: 6px;
  }

  /* Footer */
  .site-footer {
    background: #0B1220;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 72px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 56px;
  }

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

  .footer-brand .brand-icon {
    width: 32px;
    height: 32px;
    font-size: 15px;
  }

  .footer-brand .brand-text {
    font-size: 20px;
  }

  .footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-weak);
    padding-right: 24px;
  }

  .footer-col h5 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 18px;
  }

  .footer-col ul {
    list-style: none;
  }

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

  .footer-col ul a {
    font-size: 14px;
    color: var(--text-weak);
    transition: color 0.3s;
  }

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

  .footer-contact li {
    font-size: 14px;
    color: var(--text-weak);
    display: flex;
    align-items: center;
    gap: 10px;
  }

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

  .footer-social {
    display: flex;
    gap: 14px;
    margin-top: 16px;
  }

  .footer-social a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: var(--text-body);
    font-size: 16px;
    transition: all 0.3s;
  }

  .footer-social a:hover {
    color: var(--accent-green);
    border-color: rgba(61,255,184,0.4);
    transform: translateY(-2px);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 24px 0 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-weak);
  }

  @media (max-width: 1023px) {
    .main-nav, .status-badge {
      display: none;
    }

    .nav-toggle {
      display: flex;
    }

    .page-hero {
      padding: 120px 0 56px;
    }

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

    .card-grid-3 {
      grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

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

    .featured-card-img {
      min-height: 260px;
    }
  }

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

    .hero-stats {
      gap: 24px;
    }

    .hero-stat-num {
      font-size: 34px;
    }

    .section-block {
      padding: 56px 0;
    }

    .section-title {
      font-size: 26px;
    }

    .section-header {
      margin-bottom: 36px;
    }

    .card-grid-3 {
      grid-template-columns: 1fr;
    }

    .card-grid-2 {
      grid-template-columns: 1fr;
    }

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

    .data-band-inner {
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      padding: 48px 0;
    }

    .data-number {
      font-size: 36px;
    }

    .featured-card-body {
      padding: 24px;
    }

    .featured-card-body h2 {
      font-size: 20px;
    }

    .featured-list li {
      width: 100%;
    }

    .page-hero h1 {
      font-size: 26px;
    }

    .page-hero-desc {
      font-size: 15px;
    }

    .faq-a-inner {
      padding: 0 16px 20px 48px;
      font-size: 14px;
    }

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

    .btn-primary, .btn-ghost {
      width: 100%;
    }

    .cta-btns {
      flex-direction: column;
      gap: 12px;
    }

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

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

    .page-hero {
      padding: 112px 0 48px;
    }

    .btn-light {
      width: auto;
    }
  }