/* roulang page: index */
:root{
  --bg-body:#0B0F18;
  --bg-surface:#121A28;
  --bg-surface-2:#1A2333;
  --bg-deep:#080B12;
  --line:rgba(255,255,255,0.09);
  --text-main:#EEF2FF;
  --text-muted:#A5B0C5;
  --brand-1:#00E5A3;
  --brand-2:#52FF8B;
  --grad-main:linear-gradient(135deg,#00E5A3,#52FF8B);
  --purple:#8A7CFF;
  --amber:#FFC24B;
  --danger:#FF5D73;
  --cyan:#5AC8FA;
  --deep-green:#06281A;
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:12px;
  --shadow-card:0 20px 60px rgba(0,0,0,0.25);
  --shadow-glow:0 0 0 1px rgba(0,229,163,0.25),0 20px 60px rgba(0,229,163,0.12);
  --font-main:"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow Condensed",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-main);
  background:var(--bg-body);
  color:var(--text-main);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease,opacity .25s ease,transform .25s ease,box-shadow .25s ease;}
img{max-width:100%;display:block;}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
ul,ol{list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand-1);
  outline-offset:3px;
  border-radius:6px;
}
.container{width:min(1240px,92%);margin:0 auto;}
.container-sm{width:min(860px,92%);margin:0 auto;}
section{position:relative;}
.section{padding:104px 0;}
.grad-text{
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.grad-underline{
  background:linear-gradient(180deg,transparent 68%,rgba(0,229,163,.38) 68%,rgba(0,229,163,.38) 96%,transparent 96%);
  padding:0 2px;
}
/* ===== Header / Nav ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(11,15,24,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  height:72px;
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.site-header::after{
  content:"";
  display:block;
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2) 35%,rgba(82,255,139,.1) 80%,transparent);
  opacity:.75;
  pointer-events:none;
}
.nav-wrap{
  display:flex;
  align-items:center;
  height:72px;
  position:relative;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-width:0;
  flex-shrink:0;
}
.brand-mark{
  width:42px;height:42px;
  border-radius:14px;
  background:var(--grad-main);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  color:var(--deep-green);
  font-weight:900;
  box-shadow:0 0 24px rgba(0,229,163,.35);
  flex-shrink:0;
}
.brand-mark i{font-size:19px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0;}
.brand-text b{
  font-size:20px;
  font-weight:800;
  letter-spacing:.2px;
  white-space:nowrap;
  color:#FFFFFF;
}
.brand-text b span{color:var(--brand-1);}
.brand-text small{
  font-size:12px;
  color:var(--text-muted);
  letter-spacing:1.2px;
  margin-top:4px;
  white-space:nowrap;
}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;gap:6px;align-items:center;}
.main-nav a{
  display:inline-block;
  padding:10px 16px;
  font-size:15px;
  color:var(--text-main);
  border-radius:var(--radius-sm);
  position:relative;
  opacity:.92;
}
.main-nav a:hover{
  color:var(--brand-1);
  background:rgba(0,229,163,.07);
  opacity:1;
}
.main-nav a.active{
  color:var(--brand-1);
  font-weight:700;
  opacity:1;
}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--grad-main);
  box-shadow:0 0 14px rgba(0,229,163,.8);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  font-size:15px;
  font-weight:700;
  border-radius:999px;
  padding:0 24px;
  height:46px;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn i{font-size:14px;}
.btn-primary{
  background:var(--grad-main);
  color:var(--deep-green);
  border:1px solid transparent;
  box-shadow:0 10px 30px rgba(0,229,163,.2);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 44px rgba(0,229,163,.45);
}
.btn-primary:active{transform:translateY(-1px) scale(.99);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  color:var(--text-main);
  border:1px solid var(--line);
}
.btn-ghost:hover{
  background:rgba(82,255,139,.08);
  border-color:rgba(0,229,163,.45);
  color:#FFFFFF;
  transform:translateY(-2px);
}
.btn-lg{height:52px;padding:0 30px;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  gap:5px;
}
.menu-toggle span{
  width:18px;height:2px;
  background:var(--text-main);
  display:block;
  border-radius:2px;
  transition:transform .3s ease,opacity .3s ease;
}
/* ===== Hero ===== */
.hero{
  padding:84px 0 96px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-body);
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
}
.hero-bg img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.35;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,#0B0F18 0%,rgba(11,15,24,.88) 44%,rgba(18,26,40,.55) 100%),
    radial-gradient(circle at 82% 42%,rgba(0,229,163,.16),transparent 48%);
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:6fr 5fr;
  gap:64px;
  align-items:center;
}
.hero-copy{min-width:0;}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:8px 15px;
  background:rgba(0,229,163,.08);
  border:1px solid rgba(0,229,163,.28);
  border-radius:999px;
  color:var(--brand-1);
  font-size:13px;
  font-weight:600;
  margin-bottom:26px;
  letter-spacing:1px;
}
.hero-eyebrow .pulse{
  width:7px;height:7px;
  background:var(--brand-2);
  border-radius:50%;
  box-shadow:0 0 0 4px rgba(0,229,163,.16);
}
.hero-title{
  font-size:54px;
  line-height:1.18;
  font-weight:800;
  letter-spacing:1px;
  color:#FFFFFF;
  margin-bottom:20px;
}
.hero-title em{
  font-style:normal;
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  padding-bottom:2px;
}
.hero-subtitle{
  color:var(--text-muted);
  font-size:18px;
  line-height:2;
  max-width:580px;
  margin-bottom:34px;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:46px;
}
.hero-metrics{
  display:grid;
  grid-template-columns:repeat(3,auto);
  gap:12px;
  justify-content:flex-start;
}
.metric-chip{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:11px 18px;
  background:rgba(18,26,40,.6);
  border:1px solid var(--line);
  border-radius:16px;
  font-size:14px;
  color:var(--text-main);
  backdrop-filter:blur(8px);
}
.metric-chip i{
  font-size:15px;
  color:var(--brand-1);
}
.metric-chip b{
  color:#FFFFFF;
  font-weight:700;
  letter-spacing:.4px;
}
.metric-chip b small{
  color:var(--text-muted);
  font-weight:400;
  margin-left:5px;
  font-size:13px;
}
/* Access Card */
.access-card{
  position:relative;
  background:linear-gradient(145deg,rgba(26,35,51,.85),rgba(18,26,40,.9));
  border:1px solid rgba(255,255,255,.11);
  border-radius:32px;
  padding:28px;
  box-shadow:var(--shadow-card),0 0 80px rgba(0,229,163,.07);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.access-card::before{
  content:"";
  position:absolute;
  top:-2px;left:-2px;right:-2px;
  height:4px;
  border-radius:32px 32px 0 0;
  background:var(--grad-main);
  opacity:.8;
}
.access-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
  margin-bottom:14px;
}
.access-head h3{
  font-size:21px;
  font-weight:700;
  color:#FFFFFF;
}
.access-head .online-state{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12px;
  color:var(--brand-1);
  background:rgba(0,229,163,.08);
  border:1px solid rgba(0,229,163,.24);
  padding:5px 12px;
  border-radius:999px;
  letter-spacing:.5px;
}
.ac-dot{
  width:7px;height:7px;background:var(--brand-2);
  border-radius:50%;
  box-shadow:0 0 10px var(--brand-2);
}
.access-list{display:flex;flex-direction:column;gap:12px;}
.access-row{
  display:flex;
  align-items:center;
  gap:16px;
  background:rgba(11,15,24,.45);
  border:1px solid rgba(255,255,255,.07);
  border-radius:18px;
  padding:17px 18px;
  color:var(--text-main);
  transition:border-color .25s ease,background .25s ease,transform .25s ease,box-shadow .25s ease;
}
.access-row:hover{
  transform:translateX(4px);
  border-color:rgba(0,229,163,.4);
  background:rgba(0,229,163,.06);
  box-shadow:0 10px 30px rgba(0,0,0,.2);
}
.access-icon{
  width:44px;height:44px;
  border-radius:14px;
  background:rgba(0,229,163,.13);
  color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;
  flex-shrink:0;
  border:1px solid rgba(0,229,163,.16);
}
.access-info{min-width:0;flex:1;}
.access-info strong{
  color:#FFFFFF;
  font-weight:700;
  font-size:15px;
  display:block;
}
.access-info small{
  color:var(--text-muted);
  font-size:13px;
  display:block;
  margin-top:2px;
  line-height:1.5;
}
.access-arrow{
  color:var(--text-muted);
  font-size:14px;
  transition:color .25s ease,transform .25s ease;
  flex-shrink:0;
}
.access-row:hover .access-arrow{
  color:var(--brand-1);
  transform:translateX(4px);
}
/* Section headings */
.section-head{
  max-width:780px;
  margin-bottom:54px;
}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--brand-1);
  font-size:13px;
  font-weight:600;
  letter-spacing:2px;
  margin-bottom:14px;
  text-transform:uppercase;
}
.section-tag::before{
  content:"";
  width:26px;height:1px;
  background:var(--grad-main);
  display:inline-block;
}
.section-title{
  font-size:40px;
  line-height:1.3;
  font-weight:800;
  color:#FFFFFF;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.section-desc{
  color:var(--text-muted);
  font-size:17px;
  line-height:1.9;
}
/* Value vertical list */
.value-section{
  background:var(--bg-surface);
}
.value-list{
  display:flex;
  flex-direction:column;
  width:100%;
}
.value-item{
  display:grid;
  grid-template-columns:64px 1fr 100px;
  gap:28px;
  align-items:center;
  padding:28px 20px 28px 4px;
  border-bottom:1px solid var(--line);
  transition:background .3s ease;
}
.value-item:first-child{border-top:1px solid var(--line);}
.value-item:hover{background:rgba(0,229,163,.03);}
.value-icon{
  width:58px;
  height:58px;
  border-radius:18px;
  background:rgba(0,229,163,.08);
  border:1px solid rgba(0,229,163,.2);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--brand-1);
  font-size:22px;
  box-shadow:0 0 24px rgba(0,229,163,.06);
}
.value-text h3{
  color:#FFFFFF;
  font-size:21px;
  font-weight:700;
  margin-bottom:7px;
}
.value-text p{
  color:var(--text-muted);
  font-size:15px;
  line-height:1.9;
  max-width:850px;
}
.value-more{
  justify-self:end;
  color:var(--text-muted);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  transition:border-color .25s,color .25s,background .25s,transform .25s;
}
.value-item:hover .value-more{
  color:var(--deep-green);
  background:var(--grad-main);
  border-color:transparent;
  transform:rotate(-45deg);
}
/* Bento feature */
.bento-section{background:var(--bg-body);}
.bento-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-template-areas:
    "a a b c"
    "a a d e";
  gap:24px;
}
.feature-card{
  background:linear-gradient(145deg,var(--bg-surface-2),var(--bg-surface));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
  overflow:hidden;
  position:relative;
  min-height:260px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease,background .3s ease;
}
.feature-card:hover{
  transform:translateY(-4px);
  border-color:rgba(0,229,163,.35);
  box-shadow:var(--shadow-glow);
}
.feature-card .card-icon{
  width:46px;height:46px;
  border-radius:14px;
  background:rgba(0,229,163,.1);
  border:1px solid rgba(0,229,163,.18);
  color:var(--brand-1);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
  margin-bottom:20px;
}
.feature-card h3{
  color:#FFFFFF;
  font-size:20px;
  font-weight:700;
  margin-bottom:10px;
}
.feature-card p{
  color:var(--text-muted);
  font-size:14.5px;
  line-height:1.9;
}
.card-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:18px;
}
.card-tag{
  padding:5px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-muted);
  font-size:12px;
}
.card-tag.hl{
  color:var(--brand-1);
  background:rgba(0,229,163,.07);
  border-color:rgba(0,229,163,.25);
}
.card-lg{
  grid-area:a;
  min-height:540px;
  padding:0;
  display:grid;
  grid-template-columns:1fr;
  grid-template-rows:1fr auto;
}
.card-lg .feature-body{
  padding:34px 34px 0;
}
.card-figure{
  margin-top:20px;
  position:relative;
  height:220px;
  overflow:hidden;
}
.card-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.feature-card:hover .card-figure img{transform:scale(1.05);}
.card-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(0deg,rgba(11,15,24,.7),transparent 55%,rgba(11,15,24,.4));
}
.feature-card.card-mini{grid-column:auto;}
.feature-card.card-b{grid-area:b;}
.feature-card.card-c{grid-area:c;}
.feature-card.card-d{grid-area:d;}
.feature-card.card-e{grid-area:e;}
/* Usage section */
.usage-section{background:var(--bg-surface);}
.usage-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:70px;
  align-items:center;
}
.usage-visual{
  position:relative;
  border-radius:28px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.usage-visual img{
  width:100%;
  height:520px;
  object-fit:cover;
}
.usage-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,15,24,.12),rgba(11,15,24,.78));
}
.usage-note{
  position:absolute;
  left:22px;
  right:22px;
  bottom:22px;
  z-index:2;
  display:flex;
  align-items:center;
  gap:14px;
  background:rgba(11,15,24,.6);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.12);
  border-radius:18px;
  padding:16px 20px;
  color:#FFFFFF;
}
.usage-note i{
  width:40px;height:40px;
  display:flex;
  align-items:center;justify-content:center;
  background:rgba(0,229,163,.14);
  color:var(--brand-1);
  border-radius:12px;
  font-size:16px;
  flex-shrink:0;
}
.usage-note strong{font-size:15px;}
.usage-note small{display:block;color:var(--text-muted);font-size:13px;line-height:1.6;}
.usage-copy h2{
  font-size:38px;
  color:#fff;
  font-weight:800;
  line-height:1.3;
  margin-bottom:14px;
}
.usage-copy>p{color:var(--text-muted);margin-bottom:40px;font-size:17px;}
.steps{position:relative;margin:0;}
.steps::before{
  content:"";
  position:absolute;
  left:31px;top:15px;bottom:15px;
  width:2px;
  background:linear-gradient(180deg,var(--brand-1),rgba(0,229,163,.1));
}
.step-item{
  position:relative;
  display:flex;
  gap:22px;
}
.step-item:not(:last-child){padding-bottom:34px;}
.step-num{
  width:62px;height:62px;
  border-radius:22px;
  background:rgba(0,229,163,.12);
  border:1px solid rgba(0,229,163,.24);
  color:var(--brand-2);
  font-size:12px;
  font-weight:800;
  font-family:var(--font-num);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:2px;
  z-index:1;
  flex-shrink:0;
  background-image:radial-gradient(circle at 25% 15%,rgba(82,255,139,.12),transparent 50%);
}
.step-num i{font-size:17px;color:var(--brand-1);}
.step-num span{font-size:11px;font-weight:600;color:var(--text-muted);}
.step-content{flex:1;padding-top:8px;}
.step-content h3{
  color:#FFFFFF;
  font-size:21px;
  font-weight:700;
  margin-bottom:8px;
}
.step-content p{
  color:var(--text-muted);
  font-size:15px;
  line-height:1.9;
  max-width:520px;
}
/* Case section */
.cases-section{background:var(--bg-body);}
.cases-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.case-card{
  position:relative;
  background:var(--bg-surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.case-card:hover{
  transform:translateY(-5px);
  border-color:rgba(0,229,163,.38);
  box-shadow:var(--shadow-glow);
}
.case-figure{
  height:220px;
  position:relative;
  overflow:hidden;
}
.case-figure img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.case-card:hover .case-figure img{transform:scale(1.06);}
.case-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent,rgba(11,15,24,.6));
}
.case-badge{
  position:absolute;
  left:16px;top:16px;
  z-index:2;
  padding:7px 14px;
  font-size:12px;
  background:rgba(11,15,24,.7);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;
  border-radius:999px;
  letter-spacing:.4px;
}
.case-content{
  padding:22px 24px 26px;
}
.case-content h3{
  color:#fff;
  font-size:20px;
  font-weight:700;
  margin-bottom:10px;
}
.case-content p{
  color:var(--text-muted);
  font-size:14.5px;
  margin-bottom:18px;
  line-height:1.9;
}
.case-data{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:16px;
}
.data-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 11px;
  background:rgba(0,229,163,.07);
  border:1px solid rgba(0,229,163,.2);
  border-radius:999px;
  color:var(--brand-1);
  font-size:12px;
  font-weight:700;
}
.data-chip .idata-dot{
  width:5px;height:5px;
  background:var(--brand-2);
  border-radius:50%;
  box-shadow:0 0 8px var(--brand-2);
}
.case-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--brand-1);
  font-weight:600;
}
.case-link i{transition:transform .3s ease;}
.case-link:hover i{transform:translateX(5px);}
/* Pricing */
.pricing-section{
  background:var(--bg-surface);
}
.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}
.price-card{
  position:relative;
  background:var(--bg-body);
  border:1px solid var(--line);
  border-radius:28px;
  padding:32px 26px 30px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  display:flex;
  flex-direction:column;
}
.price-card:hover{
  transform:translateY(-5px);
  border-color:rgba(255,255,255,.2);
}
.price-card.featured{
  border-color:transparent;
  background:linear-gradient(var(--bg-body),var(--bg-body)) padding-box,var(--grad-main) border-box;
  border:1px solid transparent;
  box-shadow:0 20px 80px rgba(0,229,163,.08);
}
.price-card.featured{
  background:linear-gradient(145deg,#162033,#101826) padding-box,linear-gradient(135deg,#00E5A3,#52FF8B) border-box;
  border:2px solid transparent;
}
.feature-badge{
  position:absolute;
  right:18px;top:-15px;
  background:var(--grad-main);
  color:var(--deep-green);
  font-size:13px;
  font-weight:800;
  border-radius:999px;
  padding:8px 18px;
  box-shadow:0 10px 26px rgba(0,229,163,.35);
  letter-spacing:.5px;
}
.price-plan{
  font-size:17px;
  font-weight:700;
  color:var(--text-main);
  margin-bottom:6px;
}
.price-desc{color:var(--text-muted);font-size:14px;margin-bottom:18px;}
.price-num{
  font-family:var(--font-num);
  font-size:50px;
  font-weight:700;
  color:#fff;
  line-height:1;
  display:flex;
  align-items:flex-end;
  gap:4px;
  margin-bottom:17px;
}
.price-num small{
  font-family:var(--font-main);
  font-size:15px;
  color:var(--text-muted);
  font-weight:400;
  margin-bottom:8px;
}
.price-num span{
  font-family:var(--font-main);
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:8px;
}
.price-list{
  margin:10px 0 28px;
  display:flex;
  flex-direction:column;
  gap:14px;
  flex:1;
}
.price-list li{
  display:flex;
  gap:11px;
  color:var(--text-muted);
  font-size:14px;
  line-height:1.8;
}
.price-list li i{
  color:var(--brand-1);
  font-size:13px;
  margin-top:6px;
}
.price-card .btn{width:100%;}
.price-card.featured .btn{
  background:var(--grad-main);
}
/* News CMS */
.news-section{
  background:var(--bg-body);
}
.news-panel{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--bg-surface);
  box-shadow:var(--shadow-card);
}
.news-row{
  display:grid;
  grid-template-columns:150px 1fr auto;
  gap:30px;
  align-items:flex-start;
  padding:24px 28px;
  border-bottom:1px solid var(--line);
  transition:background .3s ease;
}
.news-row:hover{background:rgba(0,229,163,.04);}
.news-row:last-child{border-bottom:none;}
.news-col{min-width:0;}
.news-cate-tag{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:12px;
  color:var(--brand-1);
  background:rgba(0,229,163,.08);
  border:1px solid rgba(0,229,163,.2);
  padding:5px 10px;
  border-radius:999px;
}
.news-col h3{
  font-size:17px;
  font-weight:600;
  color:#FFFFFF;
  line-height:1.6;
  margin-bottom:8px;
}
.news-col p{
  color:var(--text-muted);
  font-size:14px;
  line-height:1.8;
  overflow:hidden;
  text-overflow:ellipsis;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
}
.news-time{
  display:inline-block;
  font-size:13px;
  color:var(--text-muted);
  white-space:nowrap;
  padding-top:8px;
}
.news-arrow{
  align-self:center;
  width:44px;height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--text-muted);
  transition:all .3s ease;
}
.news-row:hover .news-arrow{
  background:var(--grad-main);
  color:var(--deep-green);
  border-color:transparent;
  transform:translateX(4px);
}
.news-empty{
  text-align:center;
  padding:76px 24px;
  color:var(--text-muted);
}
.news-empty i{
  font-size:34px;
  color:rgba(255,255,255,.14);
  display:block;
  margin-bottom:20px;
}
/* FAQ */
.faq-section{background:var(--bg-surface);}
.faq-layout{
  display:grid;
  grid-template-columns:0.8fr 1.2fr;
  gap:56px;
  align-items:flex-start;
}
.faq-sticky{position:sticky;top:120px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:20px;
  background:var(--bg-body);
  overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item.active{
  border-color:rgba(0,229,163,.38);
  box-shadow:0 0 0 1px rgba(0,229,163,.18),0 14px 44px rgba(0,0,0,.15);
}
.faq-toggle{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  padding:22px 24px;
  color:#FFFFFF;
  font-size:16px;
  font-weight:600;
  line-height:1.7;
}
.faq-toggle i{
  width:30px;height:30px;
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  font-size:13px;
  color:var(--text-muted);
  transition:transform .3s ease,background .3s ease,color .3s ease,border-color .3s ease;
}
.faq-item.active .faq-toggle i{
  transform:rotate(45deg);
  background:var(--grad-main);
  color:var(--deep-green);
  border-color:transparent;
}
.faq-desc{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-desc-inner{
  padding:0 24px 22px;
  color:var(--text-muted);
  font-size:14.5px;
  line-height:1.9;
}
/* CTA */
.cta-block{
  padding:100px 0;
  overflow:hidden;
}
.cta-inner{
  position:relative;
  background:linear-gradient(145deg,rgba(18,26,40,.9),rgba(11,15,24,.95)),url("/assets/images/backpic/back-3.png") center/cover;
  border:1px solid rgba(255,255,255,.1);
  border-radius:34px;
  padding:58px 70px;
  overflow:hidden;
  text-align:center;
}
.cta-inner::before{
  content:"";
  position:absolute;
  width:420px;height:420px;
  background:radial-gradient(circle,rgba(0,229,163,.2),transparent 68%);
  top:-180px;left:-120px;
  pointer-events:none;
}
.cta-inner::after{
  content:"";
  position:absolute;
  width:300px;height:300px;
  background:radial-gradient(circle,rgba(138,124,255,.15),transparent 70%);
  right:-100px;bottom:-160px;
  pointer-events:none;
}
.cta-inner h2{
  position:relative;
  z-index:2;
  color:#FFFFFF;
  font-size:38px;
  font-weight:800;
  line-height:1.35;
  margin-bottom:14px;
}
.cta-inner p{
  position:relative;
  z-index:2;
  color:var(--text-muted);
  max-width:680px;
  margin:0 auto 30px;
  font-size:17px;
}
.cta-inner .btn{
  position:relative;
  z-index:2;
  margin-top:6px;
}
/* Footer */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  color:var(--text-muted);
  padding-top:70px;
}
.site-footer::before{
  content:"";
  display:block;
  height:2px;
  background:linear-gradient(90deg,var(--brand-1),rgba(0,229,163,.1) 40%,transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .7fr .7fr .8fr;
  gap:46px;
  padding-bottom:50px;
}
.footer-brand h4{
  font-size:19px;
  color:#FFFFFF;
  font-weight:700;
  margin-bottom:18px;
}
.footer-brand h4 span{color:var(--brand-1);}
.footer-brand p{
  font-size:14px;
  line-height:2;
  max-width:360px;
}
.footer-title{
  font-size:15px;
  color:#FFFFFF;
  font-weight:600;
  margin-bottom:20px;
  letter-spacing:.4px;
}
.footer-links li{
  margin-bottom:13px;
}
.footer-links a{
  font-size:14px;
  color:var(--text-muted);
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:color .25s,transform .25s;
}
.footer-links a i{
  font-size:11px;
  color:var(--brand-1);
  opacity:.85;
}
.footer-links a:hover{
  color:var(--brand-1);
  transform:translateX(3px);
}
.footer-contact li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  margin-bottom:16px;
  font-size:14px;
  line-height:1.9;
}
.footer-contact li i{
  color:var(--brand-1);
  font-size:15px;
  margin-top:4px;
  width:20px;
  text-align:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);
  padding:24px 0 32px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:space-between;
  align-items:center;
}
.footer-bottom p{font-size:13.5px;color:var(--text-muted);}
.footer-bottom a{color:var(--text-muted);}
.footer-bottom a:hover{color:var(--brand-1);}
/* Scroll top */
.scroll-top{
  position:fixed;
  right:24px;bottom:24px;
  z-index:60;
  width:46px;
  height:46px;
  border-radius:14px;
  background:var(--bg-surface-2);
  border:1px solid rgba(0,229,163,.3);
  color:var(--brand-1);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,background .3s ease;
}
.scroll-top.show{
  opacity:1;
  pointer-events:auto;
}
.scroll-top:hover{
  background:var(--grad-main);
  color:var(--deep-green);
  transform:translateY(-4px);
}
/* Responsive */
@media (max-width:1140px){
  .brand-text small{display:none;}
  .main-nav a{padding:10px 10px;font-size:14px;}
}
@media (max-width:1024px){
  .hero{padding:60px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:52px;}
  .hero-subtitle{font-size:17px;}
  .hero-title{font-size:48px;}
  .menu-toggle{display:inline-flex;flex-direction:column;margin-left:8px;}
  .main-nav{
    display:none;
    position:absolute;
    top:72px;
    left:0;
    width:100%;
    background:rgba(11,15,24,.96);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    box-shadow:0 30px 50px rgba(0,0,0,.45);
    padding:18px 0 26px;
  }
  .main-nav.open{display:block;max-height:480px;overflow:auto;}
  .main-nav ul{
    flex-direction:column;
    align-items:stretch;
    padding:0 6%;
    gap:8px;
  }
  .main-nav a{
    display:flex;
    padding:14px 18px;
    font-size:16px;
  }
  .main-nav a.active::after{display:none;}
  .main-nav a.active{
    background:rgba(0,229,163,.08);
    color:var(--brand-1);
  }
  .nav-actions .btn-nav{display:none;}
  .value-item{grid-template-columns:58px 1fr;column-gap:20px;}
  .value-more{display:none;}
  .bento-grid{
    grid-template-columns:repeat(2,1fr);
    grid-template-areas:
      "a a"
      "a a"
      "b c"
      "d e";
  }
  .card-lg{min-height:440px;}
  .usage-grid{grid-template-columns:1fr;gap:44px;}
  .usage-visual img{height:360px;}
  .cases-grid{grid-template-columns:1fr 1fr;}
  .case-card:last-child{grid-column:span 2;}
  .pricing-grid{grid-template-columns:1fr 1fr;align-items:stretch;}
  .price-card:last-child{grid-column:span 2;}
  .pricing-grid .price-card.featured{order:-1;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-sticky{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:78px 0;}
}
@media (max-width:640px){
  .section{padding:64px 0;}
  .hero-title{font-size:38px;}
  .hero-subtitle{font-size:16px;}
  .hero-metrics{grid-template-columns:1fr;}
  .hero-metrics .metric-chip{justify-content:flex-start;}
  .brand-text b{font-size:17px;}
  .brand-text small{display:none;}
  .brand-mark{width:36px;height:36px;border-radius:12px;font-size:18px;}
  .nav-actions .btn{display:none;}
  .section-title{font-size:31px;}
  .section-desc{font-size:16px;}
  .value-item{grid-template-columns:50px 1fr;padding:24px 0;}
  .value-icon{width:50px;height:50px;border-radius:15px;font-size:18px;}
  .value-text h3{font-size:19px;}
  .value-text p{font-size:14px;}
  .bento-grid{
    grid-template-columns:1fr;
    grid-template-areas:
      "a"
      "b"
      "c"
      "d"
      "e";
  }
  .feature-card, .card-lg{min-height:0;padding:24px;}
  .card-lg .feature-body{padding:24px;}
  .card-lg{grid-template-rows:auto auto;}
  .card-figure{height:170px;}
  .usage-copy h2{font-size:29px;}
  .usage-visual img{height:300px;}
  .cases-grid{grid-template-columns:1fr;}
  .case-card:last-child{grid-column:auto;}
  .pricing-grid{grid-template-columns:1fr;}
  .price-card:last-child{grid-column:auto;}
  .pricing-grid .price-card.featured{order:0;}
  .news-row{grid-template-columns:1fr;gap:14px;}
  .news-time{padding-top:0;}
  .news-arrow{display:none;}
  .news-col h3{font-size:16px;}
  .faq-toggle{padding:19px 17px;font-size:15px;}
  .faq-desc-inner{padding:0 17px 20px;}
  .cta-inner{padding:48px 24px;}
  .cta-inner h2{font-size:29px;}
  .footer-grid{grid-template-columns:1fr;gap:36px;}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center;}
  .section-head{margin-bottom:36px;}
}

/* roulang page: article */
:root {
  --bg-body: #0B0F18;
  --bg-surface: #121A28;
  --bg-surface-2: #1A2333;
  --line: rgba(255,255,255,0.09);
  --text-main: #EEF2FF;
  --text-muted: #A5B0C5;
  --brand-1: #00E5A3;
  --brand-2: #52FF8B;
  --grad-main: linear-gradient(135deg, #00E5A3, #52FF8B);
  --purple: #8A7CFF;
  --amber: #FFC24B;
  --danger: #FF5D73;
  --cyan: #5AC8FA;
  --green-deep: #06281A;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.28);
  --font-cn: "PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num: "DIN Alternate","Barlow Condensed",sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(138,124,255,0.10), transparent 30%),
    radial-gradient(circle at 88% 5%, rgba(0,229,163,0.08), transparent 28%),
    var(--bg-body);
  color: var(--text-main);
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; }
button, input { font-family: inherit; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
:focus-visible { outline: 2px solid var(--brand-1); outline-offset: 3px; }

/* Logo */
.logo { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-badge {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--grad-main);
  color: var(--green-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 0 22px rgba(0,229,163,0.35);
}
.logo-text {
  font-size: 19px;
  font-weight: 800;
  color: #fff;
  letter-spacing: .01em;
  line-height: 1.1;
}
.logo-text span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .22em;
  color: var(--brand-1);
  margin-top: 3px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(11,15,24,0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 30%;
  min-width: 180px;
  background: linear-gradient(90deg, #00E5A3, rgba(0,229,163,0));
  pointer-events: none;
}
.header-inner {
  display: flex;
  height: 72px;
  align-items: center;
  gap: 28px;
}
.main-nav { margin-left: auto; }
.main-nav ul { display: flex; list-style: none; gap: 4px; }
.main-nav a {
  display: block;
  padding: 8px 16px;
  color: rgba(238,242,255,0.82);
  font-size: 15px;
  font-weight: 500;
  border-radius: 999px;
  transition: all .25s ease;
}
.main-nav a:hover { color: #fff; background: rgba(255,255,255,0.05); }
.main-nav a.active {
  color: var(--brand-1);
  position: relative;
  font-weight: 700;
}
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-main);
  box-shadow: 0 0 12px rgba(0,229,163,0.6);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  padding: 14px 28px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .25s ease;
}
.btn-primary {
  background: var(--grad-main);
  color: var(--green-deep) !important;
  box-shadow: 0 8px 30px rgba(0,229,163,0.18);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 38px rgba(0,229,163,0.36);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  border-color: rgba(255,255,255,0.24);
  color: rgba(255,255,255,0.9) !important;
  background: rgba(255,255,255,0.04);
}
.btn-outline:hover {
  border-color: var(--brand-1);
  color: var(--brand-1) !important;
  background: rgba(0,229,163,0.08);
  box-shadow: 0 0 24px rgba(0,229,163,0.14);
}
.header-cta { padding: 11px 22px; font-size: 14px; flex-shrink: 0; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  cursor: pointer;
  margin-left: auto;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span { display: block; width: 20px; height: 2px; border-radius: 4px; background: #fff; transition: all .3s ease; }

/* Breadcrumb band */
.article-band {
  padding: 44px 0 70px;
  background: linear-gradient(125deg, rgba(11,15,24,0.95) 0%, rgba(10,32,29,0.86) 64%, rgba(18,26,40,0.72) 100%),
    url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  border-bottom: 1px solid var(--line);
}
.article-band .eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-1);
}
.eyebrow i { color: var(--brand-1); }
.breadcrumb { margin-top: 6px; }
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 8px;
  align-items: center;
  color: var(--text-muted);
  font-size: 14px;
}
.breadcrumb li { display: flex; gap: 8px; align-items: center; }
.breadcrumb li + li::before { content: "/"; color: rgba(255,255,255,0.24); font-size: 13px; }
.breadcrumb a { color: var(--text-muted); transition: color .2s; }
.breadcrumb a:hover { color: var(--brand-1); }
.breadcrumb .current { color: #fff; font-weight: 500; }

/* Article main */
.article-main { margin-top: -38px; padding: 0 0 28px; position: relative; z-index: 3; }
.post-card {
  max-width: 920px;
  margin: 0 auto;
  background: #F6F8FC;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  color: #1A2130;
}
.post-card-inner { padding: 52px max(32px, 7%) 56px; }
.category-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  background: rgba(0,229,163,0.12);
  border: 1px solid rgba(0,229,163,0.25);
  color: #008C68;
  font-size: 13px;
  font-weight: 700;
  border-radius: 999px;
}
.post-card h1 {
  margin: 20px 0 18px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.3;
  color: #101726;
  letter-spacing: -0.01em;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  color: #8190A5;
  font-size: 14px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(20,30,55,0.1);
}
.post-meta i { color: #00B77E; margin-right: 5px; }
.post-meta .divider { width: 4px; height: 4px; border-radius: 50%; background: #B8C2D3; display: inline-block; }

/* Article white content */
.article-body {
  margin-top: 28px;
  color: #2E3646;
  font-size: 17px;
  line-height: 1.95;
  word-break: break-word;
}
.article-body > *:first-child { margin-top: 0; }
.article-body p { margin: 1.6em 0; }
.article-body h2 {
  font-size: 25px;
  color: #11182A;
  margin: 2em 0 .8em;
  padding-left: 16px;
  border-left: 4px solid #00E5A3;
}
.article-body h3 {
  font-size: 20px;
  color: #1B2437;
  margin: 1.6em 0 .6em;
}
.article-body a { color: #009C72; font-weight: 600; border-bottom: 1px solid rgba(0,156,114,.3); }
.article-body a:hover { color: #007A5A; }
.article-body ul, .article-body ol { padding-left: 24px; margin: 1.4em 0; }
.article-body li { margin: .5em 0; padding-left: 6px; }
.article-body ul li::marker { color: #0BC58A; }
.article-body ol li::marker { color: #0BC58A; font-weight: 700; }
.article-body img { border-radius: 16px; margin: 1.6em 0; box-shadow: 0 14px 34px rgba(0,0,0,0.10); }
.article-body blockquote {
  background: #EAF9F2;
  border-left: 4px solid var(--brand-1);
  color: #1C3D2F;
  padding: 16px 22px;
  border-radius: 0 14px 14px 0;
  margin: 1.8em 0;
}
.article-body blockquote p { margin: 0; }
.article-body code { background: #EAF0F8; color: #B4486B; padding: 2px 8px; border-radius: 6px; font-size: .94em; }
.article-body table { width: 100%; margin: 22px 0; border-collapse: collapse; }
.article-body table th { background: #EAF4EF; color: #173B2D; font-weight: 700; }
.article-body table th,
.article-body table td { border: 1px solid #E2E8F0; padding: 10px 14px; text-align: left; font-size: 15px; }

/* post back */
.post-back {
  margin: 36px 0 0;
  padding-top: 24px;
  border-top: 1px dashed rgba(20,30,55,0.14);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
.post-back a {
  font-weight: 600;
  font-size: 14px;
  color: #334155;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .2s;
}
.post-back a:hover { color: #059A70; }

/* not found */
.notfound-card .nf-icon {
  width: 74px;
  height: 74px;
  border-radius: 24px;
  background: #EAF7F1;
  color: #0CC58A;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 20px;
}
.notfound-card p { color: #64748B; max-width: 520px; margin: 16px 0 28px; }
.btn-dark {
  background: #122033;
  color: #fff !important;
  border: 1px solid #243349;
}
.btn-dark:hover { background: #1C2B45; transform: translateY(-2px); }
html { scroll-padding-top: 90px; }

/* Related service */
.quick-section {
  padding: 40px 0 70px;
}
.section-brief { text-align: center; margin-bottom: 40px; }
.section-brief .eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--brand-1);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: 10px;
}
.section-brief h2 { font-size: clamp(24px, 3.2vw, 32px); color: #fff; }
.section-brief p { color: var(--text-muted); margin: 12px auto 0; max-width: 620px; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0,229,163,0.38);
  box-shadow: 0 0 0 1px rgba(0,229,163,0.16), 0 24px 60px rgba(0,229,163,0.12);
}
.service-card-media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-surface-2); }
.service-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.service-card:hover .service-card-media img { transform: scale(1.05); }
.service-card-body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.service-card-body h3 { color: #fff; font-size: 21px; margin-bottom: 8px; }
.service-card-body p { color: var(--text-muted); font-size: 15px; line-height: 1.8; margin: 0 0 20px; flex: 1; }
.service-card-foot { display: flex; align-items: center; justify-content: space-between; }
.service-card-foot span { color: var(--text-muted); font-size: 13px; }
.btn-sm { padding: 9px 18px; font-size: 14px; border-radius: 999px; }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(0,229,163,0.45);
  color: var(--brand-1) !important;
  box-shadow: none;
}
.btn-ghost:hover { background: rgba(0,229,163,0.10); box-shadow: 0 0 24px rgba(0,229,163,0.15); }

/* CTA section */
.cta-section { padding: 24px 0 78px; }
.cta-panel {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  padding: 52px 48px;
  text-align: center;
  background: linear-gradient(135deg, rgba(21,32,49,0.98), rgba(11,38,30,0.96)), radial-gradient(circle at 80% 10%, rgba(0,229,163,0.16), transparent 40%);
  border: 1px solid rgba(0,229,163,0.22);
}
.cta-panel::before,
.cta-panel::after {
  content: "";
  position: absolute;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: rgba(0,229,163,0.09);
  filter: blur(40px);
  pointer-events: none;
}
.cta-panel::before { top: -70px; right: 10%; }
.cta-panel::after { bottom: -80px; left: 6%; background: rgba(138,124,255,0.12); }
.cta-panel h2 { position: relative; z-index: 1; font-size: clamp(23px, 3vw, 32px); color: #fff; max-width: 760px; margin: 0 auto 8px; }
.cta-panel p { position: relative; z-index: 1; color: var(--text-muted); margin: 10px 0 26px; max-width: 620px; margin-inline: auto; }
.cta-panel .btn { position: relative; z-index: 1; }

/* Footer */
.site-footer { background: #070A10; border-top: 1px solid rgba(255,255,255,0.06); color: var(--text-muted); padding: 72px 0 0; }
.site-footer::before {
  content: ""; display: block; height: 2px;
  background: linear-gradient(90deg, transparent, #00E5A3, transparent);
  opacity: .7;
}
.footer-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 48px; }
.footer-brand h4 { color: #fff; font-size: 22px; font-weight: 800; margin-bottom: 14px; }
.footer-brand h4 span { color: var(--brand-1); }
.footer-brand p { font-size: 14px; line-height: 1.9; max-width: 370px; }
.footer-title { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; letter-spacing: .02em; }
.footer-links, .footer-contact { list-style: none; display: grid; gap: 9px; font-size: 14px; }
.footer-links a { color: var(--text-muted); transition: all .2s ease; }
.footer-links a:hover { color: var(--brand-1); padding-left: 3px; }
.footer-links i { color: var(--brand-1); margin-right: 6px; font-size: 11px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 8px; color: var(--text-muted); line-height: 1.7; }
.footer-contact i { color: var(--brand-1); margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 20px 0 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; font-size: 13px; color: #6D7A91; }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--brand-1); }

/* Responsive */
@media (max-width: 1060px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .nav-toggle { display: flex; margin-left: 0; }
  .main-nav.open {
    display: block;
    position: absolute;
    top: 73px;
    left: 0;
    width: 100%;
    background: rgba(11,15,24,0.98);
    border-bottom: 1px solid var(--line);
    padding: 16px 24px 22px;
    box-shadow: 0 24px 50px rgba(0,0,0,0.45);
  }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { font-size: 16px; padding: 11px 16px; border-radius: 12px; }
  .header-cta { margin-left: auto; }
  .header-inner { flex-wrap: wrap; }
}
@media (max-width: 768px) {
  .article-band { padding: 40px 0 64px; }
  .post-card-inner { padding: 38px 22px 44px; }
  .service-grid { grid-template-columns: 1fr; }
  .cta-panel { padding: 40px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 640px) {
  .header-cta span { display: none; }
  .header-cta { width: 44px; height: 44px; padding: 0; font-size: 16px; }
  .logo-text { font-size: 16px; }
  .logo-text span { font-size: 10px; letter-spacing: .12em; }
  .post-meta { flex-direction: column; align-items: flex-start; gap: 10px; }
  .article-body { font-size: 16px; }
  .quick-section { padding-top: 20px; }
  .service-card-media { aspect-ratio: 16 / 11; }
}
.none { display: none !important; }

/* roulang page: category1 */
:root {
  --bg-body: #0B0F18;
  --bg-surface: #121A28;
  --bg-surface-2: #1A2333;
  --bg-deep: #080B12;
  --line: rgba(255,255,255,0.09);
  --line-strong: rgba(255,255,255,0.14);
  --text-main: #EEF2FF;
  --text-muted: #A5B0C5;
  --brand-1: #00E5A3;
  --brand-2: #52FF8B;
  --grad-main: linear-gradient(135deg,#00E5A3,#52FF8B);
  --purple: #8A7CFF;
  --amber: #FFC24B;
  --red: #FF5D73;
  --info: #5AC8FA;
  --brand-deep: #06281A;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 18px 50px rgba(0,0,0,0.2);
  --container: 1240px;
  --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-num: "DIN Alternate", "Barlow Condensed", "Arial Narrow", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-cn);
  background: var(--bg-body);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 {
  margin: 0;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
p { margin: 0; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brand-2);
  outline-offset: 3px;
  border-radius: 8px;
}
::selection { background: rgba(0,229,163,.3); color: #fff; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: #25304a; border-radius: 8px; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  text-align: center;
}
.btn i { font-size: 15px; }
.btn-primary {
  background: var(--grad-main);
  color: var(--brand-deep);
  box-shadow: 0 10px 30px rgba(0,229,163,.24);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,229,163,.34), 0 0 0 1px rgba(0,229,163,.3);
}
.btn-primary:active { transform: translateY(-1px); }
.btn-ghost {
  background: rgba(255,255,255,.05);
  color: var(--text-main);
  border-color: rgba(255,255,255,.15);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.28);
  transform: translateY(-3px);
}
.btn-outline {
  background: transparent;
  color: var(--brand-1);
  border-color: rgba(0,229,163,.36);
}
.btn-outline:hover {
  background: rgba(0,229,163,.08);
  border-color: var(--brand-1);
  transform: translateY(-3px);
}
.btn-outline i { transition: transform .25s ease; }
.btn-outline:hover i { transform: translateX(4px); }

/* 顶栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(11,15,24,.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,229,163,.6), rgba(82,255,139,.2), transparent);
}
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-mark {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  background: var(--grad-main);
  color: var(--brand-deep);
  border-radius: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 22px;
  font-family: var(--font-num);
  box-shadow: 0 0 18px rgba(0,229,163,.35);
}
.brand-text {
  font-weight: 800;
  color: #fff;
  font-size: 21px;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.brand-text span { color: var(--brand-1); font-weight: 600; }
.main-nav { margin-left: auto; }
.main-nav ul { display: flex; gap: 8px; align-items: center; }
.main-nav ul li { list-style: none; }
.main-nav ul li a {
  position: relative;
  display: block;
  padding: 10px 18px;
  color: rgba(238,242,255,.72);
  font-weight: 600;
  border-radius: 10px;
  font-size: 15px;
  transition: color .25s ease, background .25s ease;
}
.main-nav ul li a::after {
  content: "";
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-main);
  opacity: 0;
  transition: opacity .22s ease, left .22s ease, right .22s ease;
}
.main-nav ul li a:hover,
.main-nav ul li a.active { color: #fff; background: rgba(255,255,255,.03); }
.main-nav ul li a:hover::after,
.main-nav ul li a.active::after { opacity: 1; left: 18px; right: 18px; }
.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.btn-nav { padding: 11px 22px; font-size: 15px; }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  border-radius: 13px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 4px;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle.open .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle.open .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile-cta { display: none; }

/* Hero */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 88px;
  background: var(--bg-body);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center top;
  transform: scale(1.02);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 480px at 75% 20%, rgba(0,229,163,.13), transparent 60%),
    radial-gradient(700px 500px at 12% 85%, rgba(138,124,255,.12), transparent 60%),
    linear-gradient(105deg, rgba(11,15,24,.98) 16%, rgba(11,15,24,.84) 52%, rgba(18,26,40,.62));
}
.hero-inner {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: 58px;
  align-items: center;
}
.hero-crumb {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.hero-crumb a { color: var(--text-muted); transition: color .25s ease; }
.hero-crumb a:hover { color: var(--brand-1); }
.hero-crumb i { font-size: 11px; color: rgba(255,255,255,.4); }
.hero-crumb .current { color: var(--brand-1); }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,229,163,.1);
  border: 1px solid rgba(0,229,163,.22);
  color: var(--brand-1);
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-tag i { font-size: 12px; }
.page-hero h1 {
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1.14;
  color: #fff;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}
.page-hero h1 .grad-text {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-lead {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.95;
  max-width: 540px;
  margin-bottom: 28px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 12px; }
.point-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 16px;
}
.point-chip .icon { color: var(--brand-1); }
.point-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-1);
  box-shadow: 0 0 0 0 rgba(0,229,163,.6);
  animation: breathe 2s infinite;
}
@keyframes breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,229,163,.5); }
  50% { box-shadow: 0 0 0 6px rgba(0,229,163,0); }
}
.hero-visual { position: relative; }
.hero-poster {
  background: linear-gradient(180deg, rgba(255,255,255,.16), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-lg);
  padding: 10px;
  box-shadow: 0 30px 70px rgba(0,0,0,.3), 0 0 0 1px rgba(0,229,163,.08);
  transform: translateZ(0);
}
.hero-poster img { border-radius: 18px; width: 100%; height: 320px; object-fit: cover; }
.poster-tag {
  position: absolute;
  right: 24px;
  bottom: 24px;
  left: 24px;
  background: rgba(11,15,24,.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
  font-size: 14px;
  font-weight: 600;
}
.poster-tag i { color: var(--brand-1); }
.hero-glow {
  position: absolute;
  inset: -36px -36px auto auto;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(0,229,163,.22), transparent 68%);
  z-index: -1;
}

/* 区块 */
.section { padding: 96px 0; }
.section-head { margin-bottom: 46px; }
.section-head.center { text-align: center; max-width: 720px; margin-left: auto; margin-right: auto; }
.section-title {
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.28;
  color: #fff;
  margin-bottom: 14px;
}
.section-title .accent { color: var(--brand-1); }
.section-intro {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.95;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--brand-1);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-main);
}
.eyebrow.center { justify-content: center; }
.eyebrow.center::after {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-main);
}

/* 登录前准备清单 */
.prep-section { background: #0D1320; position: relative; }
.prep-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 860px;
  max-width: 90%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,229,163,.3), transparent);
}
.prep-panel {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 46px 48px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.prep-item {
  display: grid;
  grid-template-columns: 58px 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 24px 4px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: background .25s ease, transform .25s ease;
}
.prep-item:last-child { border-bottom: 0; }
.prep-item:hover { transform: translateX(6px); }
.prep-icon {
  width: 54px;
  height: 54px;
  border-radius: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,229,163,.08);
  border: 1px solid rgba(0,229,163,.18);
  color: var(--brand-1);
  font-size: 21px;
}
.prep-copy h3 { font-size: 20px; color: #fff; margin-bottom: 6px; }
.prep-copy p { color: var(--text-muted); font-size: 15px; line-height: 1.85; max-width: 720px; }
.prep-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
  white-space: nowrap;
}
.prep-status i { color: var(--info); font-size: 12px; }

/* 步骤 */
.steps-section { background: var(--bg-body); }
.steps-shell {
  background: linear-gradient(160deg, var(--bg-surface), var(--bg-surface-2));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 52px 54px;
  position: relative;
  overflow: hidden;
}
.steps-shell::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(0,229,163,.08), transparent 70%);
}
.steps-row {
  display: grid;
  grid-template-columns: 76px 1fr 250px;
  gap: 32px;
  align-items: stretch;
}
.steps-rail { display: flex; flex-direction: column; align-items: center; }
.step-node {
  width: 70px;
  height: 70px;
  flex: 0 0 70px;
  border-radius: 50%;
  background: var(--grad-main);
  color: var(--brand-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 800;
  box-shadow: 0 0 24px rgba(0,229,163,.34);
  position: relative;
  z-index: 3;
}
.step-line {
  width: 2px;
  flex: 1;
  min-height: 56px;
  background: linear-gradient(180deg, rgba(0,229,163,.6), rgba(255,255,255,.06));
  margin-top: 6px;
}
.step-item:last-child .step-line { background: transparent; }
.step-card {
  padding: 10px 0 48px;
}
.steps-row:last-child .step-card { padding-bottom: 0; }
.step-kicker {
  color: var(--amber);
  font-size: 13px;
  letter-spacing: .1em;
  font-weight: 700;
  margin-bottom: 10px;
  display: block;
}
.step-card h3 { color: #fff; font-size: 24px; margin-bottom: 10px; }
.step-card p { color: var(--text-muted); font-size: 15px; line-height: 1.9; margin-bottom: 14px; }
.step-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-1);
  font-weight: 600;
  font-size: 15px;
  transition: gap .25s ease, color .25s ease;
}
.step-more:hover { gap: 12px; color: #fff; }
.step-aside { display: flex; align-items: center; justify-content: flex-end; }
.step-aside .btn { padding: 12px 23px; font-size: 14px; }

/* 安全提示面板 */
.security-panel {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 42px 46px;
  display: grid;
  grid-template-columns: 1.15fr 1.6fr auto;
  align-items: center;
  gap: 36px;
}
.security-copy .eyebrow { margin-bottom: 8px; }
.security-copy h2 { font-size: clamp(24px, 3vw, 32px); color: #fff; margin-bottom: 12px; }
.security-copy p { color: var(--text-muted); line-height: 1.9; font-size: 15px; }
.security-list { display: grid; gap: 14px; }
.security-li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  background: rgba(255,255,255,.025);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  transition: border-color .25s ease, background .25s ease;
}
.security-li:hover {
  border-color: rgba(0,229,163,.25);
  background: rgba(0,229,163,.04);
}
.security-li i {
  color: var(--brand-1);
  font-size: 17px;
  line-height: 1.7;
}
.security-li span { color: var(--text-main); font-weight: 600; font-size: 15px; display: block; }
.security-li small { color: var(--text-muted); font-size: 14px; font-weight: 400; }
.security-action { display: flex; flex-direction: column; gap: 14px; }
.status-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,229,163,.08);
  border: 1px solid rgba(0,229,163,.16);
  border-radius: 12px;
  color: var(--brand-1);
  font-size: 13px;
  font-weight: 600;
  padding: 9px 15px;
}

/* FAQ 手风琴 */
.faq-section { background: #0D1320; }
.faq-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 52px;
  align-items: start;
}
.faq-side { position: sticky; top: 120px; }
.faq-side h2 { font-size: 30px; color: #fff; margin-bottom: 14px; line-height: 1.3; }
.faq-side p { color: var(--text-muted); margin-bottom: 22px; line-height: 1.9; }
.faq-list { display: grid; gap: 14px; }
.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq-item.open {
  border-color: rgba(0,229,163,.3);
  box-shadow: 0 12px 34px rgba(0,229,163,.08);
}
.faq-q button {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 700;
  text-align: left;
  padding: 21px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
}
.faq-q button span { flex: 1; transition: color .25s ease; }
.faq-q button:hover span { color: var(--brand-1); }
.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  color: var(--brand-1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 32px;
  font-size: 12px;
  transition: transform .3s ease, background .3s ease, border-color .3s ease;
}
.faq-item.open .faq-icon { transform: rotate(180deg); background: rgba(0,229,163,.12); border-color: rgba(0,229,163,.3); }
.faq-a { display: none; padding: 0 24px 24px; color: var(--text-muted); font-size: 15px; line-height: 1.95; }
.faq-item.open .faq-a { display: block; }

/* CTA */
.cta-section { padding: 50px 0 96px; }
.cta-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(0,229,163,.2), rgba(138,124,255,.1) 62%, rgba(11,15,24,.2));
  border: 1px solid rgba(0,229,163,.3);
  border-radius: 30px;
  padding: 60px 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  box-shadow: 0 24px 60px rgba(0,0,0,.3), inset 0 0 0 1px rgba(255,255,255,.02);
}
.cta-card::before {
  content: "";
  position: absolute;
  top: -90px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(0,229,163,.2), transparent 70%);
}
.cta-copy { position: relative; z-index: 2; }
.cta-copy h2 { color: #fff; font-size: clamp(25px, 3vw, 36px); line-height: 1.3; margin-bottom: 12px; }
.cta-copy p { color: var(--text-muted); max-width: 620px; line-height: 1.9; }
.cta-actions { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 13px; flex-shrink: 0; }

/* Footer */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255,255,255,.04);
}
.footer-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,229,163,.5), transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.3fr;
  gap: 48px;
  padding: 68px 0 52px;
}
.footer-brand h4 {
  color: #fff;
  font-size: 25px;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.footer-brand h4 span {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.9;
  max-width: 360px;
}
.footer-title {
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 18px;
}
.footer-links { display: grid; gap: 10px; }
.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .25s ease, transform .25s ease;
}
.footer-links a i { color: var(--brand-1); font-size: 11px; }
.footer-links a:hover { color: #fff; transform: translateX(3px); }
.footer-contact { display: grid; gap: 13px; }
.footer-contact li {
  display: flex;
  gap: 9px;
  color: var(--text-muted);
  font-size: 14px;
  align-items: flex-start;
}
.footer-contact i { color: var(--brand-1); font-size: 15px; margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-bottom p {
  color: rgba(165,176,197,.75);
  font-size: 13px;
}
.footer-bottom p a { color: var(--text-muted); transition: color .25s ease; }
.footer-bottom p a:hover { color: var(--brand-1); }

/* 响应式 */
@media (max-width: 1100px) {
  .faq-grid { grid-template-columns: 280px 1fr; gap: 32px; }
  .head; 
  .security-panel { grid-template-columns: 1fr 1fr; }
  .security-action { grid-column: 1 / -1; flex-direction: row; align-items: center; }
  .steps-row { grid-template-columns: 72px 1fr 220px; gap: 20px; }
}
@media (max-width: 980px) {
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    margin-left: 0;
    background: rgba(11,15,24,.98);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    padding: 16px 0 22px;
    box-shadow: 0 30px 60px rgba(0,0,0,.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-16px);
    transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }
  .main-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 6px 18px;
  }
  .main-nav ul li a {
    padding: 13px 22px;
    border-radius: 12px;
    font-size: 16px;
  }
  .main-nav ul li a::after { display: none; }
  .nav-mobile-cta { display: block; padding: 8px 18px 0; }
  .nav-mobile-cta .btn { width: 100%; }
  .nav-toggle { display: inline-flex; }
  .btn-nav { display: none; }
  .header-actions { margin-left: auto; }
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-bg { background-position: right; }
  .hero-visual { max-width: 560px; }
  .prep-panel { padding: 38px 30px; }
  .prep-item { grid-template-columns: 54px 1fr; gap: 16px; }
  .prep-status { grid-column: 2; justify-self: start; }
  .steps-shell { padding: 40px 30px; }
  .steps-row { grid-template-columns: 64px 1fr; gap: 18px; }
  .step-aside { grid-column: 2; justify-content: flex-start; padding-bottom: 34px; }
  .step-item:last-child .step-aside { padding-bottom: 0; }
  .security-panel { grid-template-columns: 1fr; gap: 26px; }
  .security-action { grid-column: auto; flex-direction: column; align-items: flex-start; }
  .cta-card { flex-direction: column; align-items: flex-start; padding: 44px 32px; }
  .faq-grid { grid-template-columns: 1fr; }
  .faq-side { position: static; top: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { justify-content: center; text-align: center; }
}
@media (max-width: 680px) {
  .page-hero { padding: 58px 0 54px; }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 32px; }
  .page-hero h1 { font-size: 34px; }
  .hero-lead { font-size: 16px; }
  .hero-actions .btn { width: 100%; margin-right: 0; }
  .hero-actions .btn { justify-content: center; }
  .hero-poster img { height: 220px; }
  .poster-tag { left: 16px; right: 16px; bottom: 16px; font-size: 13px; }
  .prep-panel { padding: 28px 20px; }
  .prep-item { grid-template-columns: 1fr; gap: 10px; padding: 22px 4px; }
  .prep-icon { width: 46px; height: 46px; font-size: 18px; }
  .prep-copy h3 { font-size: 18px; }
  .prep-status { grid-column: auto; }
  .steps-shell { padding: 32px 22px; }
  .steps-row { grid-template-columns: 1fr; gap: 14px; }
  .steps-rail { display: none; }
  .step-card { padding: 0 0 24px; }
  .step-aside { grid-column: auto; padding-bottom: 26px; padding-left: 2px; }
  .step-card h3 { font-size: 21px; }
  .security-panel { padding: 30px 22px; }
  .security-li span { font-size: 15px; }
  .faq-q button { padding: 17px 18px; font-size: 15px; }
  .faq-icon { flex-basis: 28px; width: 28px; height: 28px; }
  .faq-a { padding: 0 18px 18px; font-size: 14px; }
  .cta-card { padding: 34px 22px; }
  .cta-actions .btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding: 48px 0 34px; }
  .footer-brand p { max-width: none; }
  .footer-bottom { flex-direction: column; }
  .form-actions .btn { width: 100%; justify-content: center; }
  .header-inner { gap: 12px; }
}
@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .brand-text { font-size: 18px; }
  .brand-mark { width: 34px; height: 34px; flex-basis: 34px; font-size: 18px; }
  .btn { padding: 13px 20px; }
}

/* roulang page: category2 */
:root {
      --bg-body: #0B0F18;
      --bg-surface: #121A28;
      --bg-surface-2: #1A2333;
      --bg-deep: #080B12;
      --line: rgba(255, 255, 255, 0.09);
      --text-main: #EEF2FF;
      --text-muted: #A5B0C5;
      --brand-1: #00E5A3;
      --brand-2: #52FF8B;
      --brand-deep: #06281A;
      --purple: #8A7CFF;
      --amber: #FFC24B;
      --danger: #FF5D73;
      --cyan: #5AC8FA;
      --grad-main: linear-gradient(135deg, #00E5A3, #52FF8B);
      --grad-purple: linear-gradient(135deg, #8A7CFF, #5AC8FA);
      --radius-lg: 24px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --shadow-lg: 0 24px 70px rgba(0, 0, 0, 0.35);
      --container: 1240px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Helvetica Neue", sans-serif;
      background: var(--bg-body);
      color: var(--text-main);
      line-height: 1.75;
      min-height: 100vh;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    body.nav-open,
    html.nav-open {
      overflow: hidden;
    }

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

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

    ul,
    ol {
      list-style: none;
    }

    button {
      font-family: inherit;
      cursor: pointer;
      border: 0;
    }

    h1,
    h2,
    h3,
    h4 {
      line-height: 1.28;
      font-weight: 700;
    }

    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 24px;
      position: relative;
      z-index: 2;
    }

    section {
      position: relative;
    }

    .section-pad {
      padding: 100px 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 7px 16px;
      border-radius: 999px;
      background: rgba(0, 229, 163, 0.08);
      border: 1px solid rgba(0, 229, 163, 0.22);
      color: var(--brand-1);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .section-kicker i {
      width: 7px;
      height: 7px;
      background: var(--brand-1);
      border-radius: 50%;
      box-shadow: 0 0 12px rgba(0, 229, 163, .8);
    }

    .section-title {
      font-size: clamp(30px, 4vw, 42px);
      margin-top: 18px;
      letter-spacing: -.02em;
      color: #fff;
    }

    .section-title em {
      font-style: normal;
      background: var(--grad-main);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .section-lead {
      max-width: 820px;
      color: var(--text-muted);
      font-size: 16px;
      margin-top: 14px;
    }

    .grad-text {
      background: var(--grad-main);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .grad-text-purple {
      background: var(--grad-purple);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    a:focus-visible,
    button:focus-visible {
      outline: 2px solid var(--brand-1);
      outline-offset: 3px;
      border-radius: 8px;
    }

    /*============================================================
      Header / Nav
    ============================================================*/
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(11, 15, 24, .92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line);
    }

    .header-inner {
      max-width: var(--container);
      margin: 0 auto;
      height: 72px;
      padding: 0 24px;
      display: flex;
      align-items: center;
      gap: 22px;
      position: relative;
    }

    .header-inner::after {
      content: "";
      position: absolute;
      left: 24px;
      right: 24px;
      bottom: -1px;
      height: 2px;
      pointer-events: none;
      background: linear-gradient(90deg, transparent, rgba(0, 229, 163, .7), rgba(82, 255, 139, .25), transparent);
      opacity: .8;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      flex-shrink: 0;
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      border-radius: 11px;
      background: var(--grad-main);
      color: var(--brand-deep);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 12px;
      letter-spacing: -.02em;
      box-shadow: 0 0 0 4px rgba(0, 229, 163, .1), 0 8px 24px rgba(0, 229, 163, .18);
    }

    .brand-name {
      font-size: 16px;
      font-weight: 800;
      color: #fff;
      white-space: nowrap;
      letter-spacing: -.02em;
    }

    .brand-name .subtle {
      font-weight: 500;
      color: var(--text-muted);
    }

    .brand:hover .brand-name {
      color: var(--brand-1);
    }

    .main-nav {
      margin-left: auto;
    }

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

    .main-nav a {
      position: relative;
      display: block;
      padding: 8px 14px;
      color: #C7D0E2;
      font-size: 15px;
      font-weight: 500;
      transition: color .25s ease, text-shadow .25s ease;
    }

    .main-nav a::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: -2px;
      height: 2px;
      border-radius: 2px;
      background: var(--grad-main);
      transform: scaleX(0);
      transform-origin: center;
      transition: transform .25s ease;
      box-shadow: 0 0 16px rgba(0, 229, 163, .8);
    }

    .main-nav a:hover,
    .main-nav a:focus-visible {
      color: #fff;
      text-shadow: 0 0 18px rgba(0, 229, 163, .3);
    }

    .main-nav a:hover::after,
    .main-nav a:focus-visible::after {
      transform: scaleX(1);
    }

    .main-nav a.active {
      color: var(--brand-1);
      font-weight: 700;
    }

    .main-nav a.active::after {
      transform: scaleX(1);
    }

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

    .btn-header {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 40px;
      padding: 0 18px;
      border-radius: 999px;
      background: var(--grad-main);
      color: var(--brand-deep);
      font-size: 14px;
      font-weight: 800;
      letter-spacing: .01em;
      box-shadow: 0 0 0 0 rgba(0, 229, 163, .3);
      transition: transform .25s, box-shadow .25s, filter .25s;
    }

    .btn-header:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 30px rgba(0, 229, 163, .25), 0 0 0 1px rgba(0, 229, 163, .4);
      filter: brightness(1.05);
    }

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

    .menu-toggle {
      display: none;
      width: 38px;
      height: 38px;
      border-radius: 11px;
      border: 1px solid var(--line);
      background: var(--bg-surface-2);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      transition: background .25s, border-color .25s;
    }

    .menu-toggle span {
      width: 17px;
      height: 2px;
      background: var(--text-main);
      border-radius: 4px;
      transition: transform .3s ease, opacity .3s ease;
    }

    .menu-toggle:hover {
      border-color: rgba(0, 229, 163, .45);
      background: var(--bg-surface-2);
    }

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

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

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

    /*============================================================
      Buttons / badges
    ============================================================*/
    .btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 34px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 0 28px;
      border-radius: 999px;
      font-size: 16px;
      font-weight: 700;
      line-height: 1;
      transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
    }

    .btn-primary {
      background: var(--grad-main);
      color: var(--brand-deep);
      box-shadow: 0 8px 30px rgba(0, 229, 163, .18);
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      filter: brightness(1.05);
      box-shadow: 0 16px 38px rgba(0, 229, 163, .3);
    }

    .btn-ghost {
      border: 1px solid rgba(255, 255, 255, .22);
      background: rgba(255, 255, 255, .04);
      color: #fff;
    }

    .btn-ghost:hover {
      border-color: rgba(0, 229, 163, .6);
      color: var(--brand-1);
      background: rgba(0, 229, 163, .06);
      transform: translateY(-3px);
    }

    .btn-soft {
      background: rgba(255, 255, 255, .08);
      border: 1px solid var(--line);
      color: #E8EDF7;
      min-height: 42px;
      padding: 0 22px;
      font-size: 15px;
    }

    .btn-soft:hover {
      background: rgba(255, 255, 255, .14);
      border-color: rgba(0, 229, 163, .3);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 6px 14px;
      border-radius: 999px;
      background: rgba(0, 229, 163, .08);
      border: 1px solid rgba(0, 229, 163, .25);
      color: var(--brand-1);
      font-size: 13px;
      font-weight: 600;
    }

    .badge .dot {
      width: 6px;
      height: 6px;
      background: var(--brand-2);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--brand-1);
    }

    .badge-amber {
      background: rgba(255, 194, 75, .08);
      border-color: rgba(255, 194, 75, .22);
      color: var(--amber);
    }

    .badge-amber .dot {
      background: var(--amber);
      box-shadow: 0 0 10px var(--amber);
    }

    .badge-cyan {
      background: rgba(90, 200, 250, .08);
      border-color: rgba(90, 200, 250, .22);
      color: var(--cyan);
    }

    .badge-cyan .dot {
      background: var(--cyan);
      box-shadow: 0 0 10px var(--cyan);
    }

    .btn:active {
      transform: translateY(0) scale(.98);
    }

    /*============================================================
      Hero : Account Security Center
    ============================================================*/
    .security-hero {
      padding: 90px 0 110px;
      background:
        linear-gradient(90deg, rgba(11, 15, 24, .96) 0%, rgba(11, 15, 24, .82) 55%, rgba(11, 15, 24, .58) 100%),
        url('/assets/images/backpic/back-2.png') center / cover no-repeat;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
      overflow: hidden;
    }

    .security-hero::after {
      content: "";
      position: absolute;
      right: -8%;
      top: -20%;
      width: 520px;
      height: 520px;
      background: radial-gradient(circle, rgba(0, 229, 163, .12), transparent 65%);
      filter: blur(30px);
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      align-items: center;
      gap: 70px;
    }

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

    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: var(--brand-1);
      font-weight: 600;
      font-size: 15px;
      background: rgba(0, 229, 163, .08);
      border: 1px solid rgba(0, 229, 163, .2);
      padding: 7px 15px;
      border-radius: 999px;
      margin-bottom: 26px;
    }

    .hero-kicker i {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--brand-2);
      box-shadow: 0 0 12px rgba(0, 229, 163, .9);
    }

    .hero-content h1 {
      font-size: clamp(38px, 5.4vw, 62px);
      font-weight: 800;
      color: #fff;
      letter-spacing: -.04em;
      line-height: 1.12;
    }

    .hero-lead {
      margin-top: 22px;
      max-width: 620px;
      font-size: 17px;
      line-height: 1.9;
      color: var(--text-muted);
    }

    .hero-lead strong {
      color: #fff;
      font-weight: 700;
    }

    .hero-metrics {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 40px;
    }

    .metric {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      padding: 10px 18px;
      border-radius: 16px;
      background: rgba(18, 26, 40, .62);
      border: 1px solid rgba(255, 255, 255, .09);
      backdrop-filter: blur(8px);
    }

    .metric .m-pulse {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--brand-1);
      box-shadow: 0 0 0 5px rgba(0, 229, 163, .12), 0 0 14px rgba(0, 229, 163, .7);
      animation: pulse 2.6s infinite;
    }

    .metric .m-pulse.cyan {
      background: var(--cyan);
      box-shadow: 0 0 0 5px rgba(90, 200, 250, .12), 0 0 12px rgba(90, 200, 250, .5);
    }

    .metric .m-pulse.amber {
      background: var(--amber);
      box-shadow: 0 0 0 5px rgba(255, 194, 75, .12), 0 0 12px rgba(255, 194, 75, .5);
    }

    .metric strong {
      font-size: 18px;
      font-family: "DIN Alternate", "Barlow Condensed", sans-serif;
      letter-spacing: .04em;
      color: #fff;
    }

    .metric span {
      display: block;
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.3;
    }

    @keyframes pulse {
      0% {
        opacity: 1;
        transform: scale(1);
      }
      50% {
        opacity: .55;
        transform: scale(.8);
      }
      100% {
        opacity: 1;
        transform: scale(1);
      }
    }

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

    .hero-shield-card {
      border-radius: 30px;
      padding: 22px;
      background: rgba(18, 26, 40, .68);
      border: 1px solid rgba(255, 255, 255, .1);
      backdrop-filter: blur(12px);
      box-shadow: 0 26px 80px rgba(0, 0, 0, .35);
    }

    .hero-shield-image {
      position: relative;
      border-radius: 20px;
      overflow: hidden;
      min-height: 250px;
    }

    .hero-shield-image img {
      width: 100%;
      height: 300px;
      object-fit: cover;
      transition: transform .6s ease;
    }

    .hero-shield-card:hover .hero-shield-image img {
      transform: scale(1.03);
    }

    .hero-image-shade {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11, 15, 24, .1), rgba(11, 15, 24, .75));
    }

    .hero-shield-meta {
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: #fff;
      font-size: 14px;
    }

    .hero-shield-meta span {
      background: rgba(11, 15, 24, .72);
      border: 1px solid rgba(255, 255, 255, .13);
      padding: 6px 12px;
      border-radius: 999px;
    }

    .floating-tip {
      margin-top: 16px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 13px 16px;
      border-radius: 16px;
      background: rgba(0, 229, 163, .08);
      border-left: 3px solid var(--brand-1);
      color: #D6E9E2;
      font-size: 14px;
    }

    .floating-tip .warn-icon {
      width: 28px;
      height: 28px;
      flex-shrink: 0;
      border-radius: 50%;
      background: var(--grad-main);
      color: var(--brand-deep);
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 17px;
    }

    /*============================================================
      Security status area
    ============================================================*/
    .security-status {
      background: var(--bg-surface);
      border-bottom: 1px solid var(--line);
    }

    .status-panels {
      margin-top: 46px;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .status-card {
      border-radius: 26px;
      background: var(--bg-surface-2);
      border: 1px solid rgba(255, 255, 255, .09);
      padding: 34px;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      min-height: 330px;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .status-card:hover {
      transform: translateY(-6px);
      border-color: rgba(0, 229, 163, .35);
      box-shadow: 0 0 0 1px rgba(0, 229, 163, .16), 0 22px 60px rgba(0, 0, 0, .32);
    }

    .status-card--green {
      background: linear-gradient(145deg, rgba(0, 229, 163, .14), rgba(18, 26, 40, .6) 38%);
      border-color: rgba(0, 229, 163, .24);
    }

    .status-card--green::before {
      content: "";
      position: absolute;
      right: -50px;
      top: -70px;
      width: 190px;
      height: 190px;
      background: radial-gradient(circle, rgba(0, 229, 163, .2), transparent 65%);
      pointer-events: none;
    }

    .status-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .status-head-left {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .status-icon {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(0, 229, 163, .12);
      border: 1px solid rgba(0, 229, 163, .18);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-1);
      font-size: 20px;
    }

    .status-pulse-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--brand-1);
      box-shadow: 0 0 0 8px rgba(0, 229, 163, .12), 0 0 18px rgba(0, 229, 163, .5);
      animation: pulse 2.4s infinite;
    }

    .status-card h3 {
      color: #fff;
      font-size: 22px;
      margin-top: 30px;
    }

    .status-card p {
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.85;
      margin-top: 14px;
    }

    .status-list {
      margin-top: 22px;
      display: grid;
      gap: 13px;
    }

    .status-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #D9E1EF;
      font-size: 14px;
    }

    .status-list li::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--brand-2);
      box-shadow: 0 0 10px rgba(82, 255, 139, .6);
      flex-shrink: 0;
    }

    .status-list li.warn::before {
      background: var(--amber);
      box-shadow: 0 0 10px rgba(255, 194, 75, .6);
    }

    .status-card .btn-soft {
      margin-top: auto;
      align-self: flex-start;
    }

    /*============================================================
      Verify ways / vertical list
    ============================================================*/
    .verify-section {
      background: var(--bg-body);
    }

    .verify-layout {
      display: grid;
      grid-template-columns: .92fr 1.18fr;
      gap: 70px;
      align-items: start;
      margin-top: 44px;
    }

    .verify-intro {
      position: sticky;
      top: 110px;
    }

    .verify-intro-card {
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid var(--line);
      background: var(--bg-surface-2);
      box-shadow: var(--shadow-lg);
      margin-top: 28px;
    }

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

    .verify-intro-copy {
      padding: 24px;
    }

    .verify-intro-copy h3 {
      font-size: 20px;
      color: #fff;
    }

    .verify-intro-copy p {
      color: var(--text-muted);
      font-size: 15px;
      margin-top: 8px;
    }

    .verify-list {
      display: grid;
      gap: 18px;
    }

    .verify-item {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 22px 24px;
      border-radius: 20px;
      background: var(--bg-surface);
      border: 1px solid var(--line);
      transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease, background .25s;
    }

    .verify-item:hover {
      transform: translateX(8px);
      background: var(--bg-surface-2);
      border-color: rgba(0, 229, 163, .34);
      box-shadow: 0 12px 40px rgba(0, 0, 0, .2), 0 0 0 1px rgba(0, 229, 163, .1);
    }

    .verify-icon {
      flex: 0 0 52px;
      width: 52px;
      height: 52px;
      border-radius: 17px;
      background: rgba(0, 229, 163, .08);
      border: 1px solid rgba(0, 229, 163, .14);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-1);
      font-size: 21px;
    }

    .verify-title-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }

    .verify-item h3 {
      font-size: 18px;
      color: #fff;
    }

    .verify-item p {
      color: var(--text-muted);
      font-size: 15px;
      margin-top: 5px;
      line-height: 1.8;
    }

    .verify-tag {
      display: inline-block;
      padding: 3px 10px;
      font-size: 12px;
      color: var(--cyan);
      background: rgba(90, 200, 250, .08);
      border: 1px solid rgba(90, 200, 250, .2);
      border-radius: 999px;
    }

    .verify-item .go-link {
      margin-left: auto;
      color: var(--text-muted);
      font-size: 15px;
      flex-shrink: 0;
      transition: color .2s, transform .2s;
    }

    .verify-item:hover .go-link {
      color: var(--brand-1);
      transform: translateX(5px);
    }

    /*============================================================
      Security notices / warning clips
    ============================================================*/
    .notice-section {
      background: var(--bg-surface);
      border-top: 1px solid rgba(255, 255, 255, .05);
      border-bottom: 1px solid var(--line);
    }

    .notice-grid {
      display: grid;
      grid-template-columns: .94fr 1.06fr;
      gap: 64px;
      align-items: center;
    }

    .notice-copy .section-title {
      font-size: clamp(28px, 3.8vw, 38px);
    }

    .notice-copy-body {
      margin-top: 20px;
      display: grid;
      gap: 14px;
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.9;
    }

    .notice-copy-body strong {
      color: #EEF2FF;
    }

    .notice-callout {
      display: inline-flex;
      margin-top: 26px;
      align-items: center;
      gap: 10px;
      color: var(--cyan);
      font-size: 14px;
      border: 1px solid rgba(90, 200, 250, .2);
      background: rgba(90, 200, 250, .07);
      padding: 10px 16px;
      border-radius: 13px;
    }

    .warn-rail {
      display: grid;
      gap: 14px;
    }

    .warn-item {
      display: flex;
      gap: 15px;
      align-items: flex-start;
      padding: 19px 20px;
      border-radius: 18px;
      background: rgba(255, 93, 115, .05);
      border: 1px solid rgba(255, 93, 115, .15);
      color: #DDE4F0;
      font-size: 15px;
      transition: border-color .25s ease, transform .25s;
    }

    .warn-item:hover {
      border-color: rgba(255, 93, 115, .35);
      transform: translateX(4px);
    }

    .warn-item .warn-mark {
      flex: 0 0 28px;
      width: 28px;
      height: 28px;
      border-radius: 9px;
      background: rgba(255, 93, 115, .15);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 800;
      color: var(--danger);
    }

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

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

    .faq-section-head .section-lead {
      margin: 14px auto 0;
    }

    .faq-list {
      max-width: 860px;
      margin: 46px auto 0;
      display: grid;
      gap: 14px;
    }

    .faq-item {
      background: var(--bg-surface);
      border: 1px solid var(--line);
      border-radius: 18px;
      overflow: hidden;
      transition: border-color .25s ease, box-shadow .25s ease;
    }

    .faq-item:hover {
      border-color: rgba(0, 229, 163, .28);
    }

    .faq-item.open {
      border-color: rgba(0, 229, 163, .32);
      box-shadow: 0 16px 40px rgba(0, 0, 0, .12);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      text-align: left;
      background: transparent;
      color: #F1F4FA;
      font-size: 16px;
      line-height: 1.5;
      font-weight: 600;
      padding: 22px 26px;
      transition: background .25s ease, color .25s ease;
    }

    .faq-question:hover {
      background: rgba(255, 255, 255, .025);
      color: var(--brand-1);
    }

    .faq-icon {
      flex: 0 0 30px;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, .18);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      transition: transform .3s ease, background .3s ease, color .3s ease, border-color .3s;
    }

    .faq-icon::before {
      content: "+";
      font-size: 20px;
      line-height: 1;
    }

    .faq-item.open .faq-icon {
      background: var(--grad-main);
      border-color: transparent;
      color: var(--brand-deep);
      transform: rotate(45deg);
    }

    .faq-panel {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease, padding .35s ease;
    }

    .faq-item.open .faq-panel {
      max-height: 400px;
    }

    .faq-answer {
      padding: 0 26px 24px;
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.9;
    }

    .faq-answer strong {
      color: #D6E9FF;
    }

    /*============================================================
      CTA
    ============================================================*/
    .cta-section {
      padding: 90px 0 110px;
      background: var(--bg-surface);
      border-bottom: 1px solid var(--line);
      overflow: hidden;
    }

    .cta-banner {
      position: relative;
      border-radius: 30px;
      padding: 72px 60px;
      overflow: hidden;
      background:
        linear-gradient(120deg, rgba(0, 229, 163, .18), rgba(11, 15, 24, .56) 60%);
      border: 1px solid rgba(0, 229, 163, .18);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
    }

    .cta-banner::before {
      content: "";
      position: absolute;
      width: 360px;
      height: 360px;
      right: -120px;
      top: -180px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(0, 229, 163, .18), transparent 66%);
      pointer-events: none;
    }

    .cta-banner h2 {
      font-size: clamp(24px, 3.2vw, 36px);
      color: #fff;
      letter-spacing: -.02em;
    }

    .cta-banner p {
      color: var(--text-muted);
      font-size: 16px;
      margin-top: 14px;
      max-width: 600px;
      line-height: 1.8;
    }

    .cta-actions {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 16px;
      position: relative;
      z-index: 2;
      flex-shrink: 0;
    }

    .cta-mail {
      color: var(--text-muted);
      font-size: 14px;
    }

    .cta-mail a {
      color: var(--cyan);
    }

    .cta-mail a:hover {
      text-decoration: underline;
    }

    /*============================================================
      Footer
    ============================================================*/
    .site-footer {
      background: var(--bg-deep);
      border-top: 1px solid rgba(255, 255, 255, .07);
      margin-top: auto;
    }

    .site-footer .footer-topline {
      width: 100%;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0, 229, 163, .5), transparent);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.15fr;
      gap: 48px;
      padding: 66px 0 40px;
    }

    .footer-brand h4 {
      font-size: 20px;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-brand h4 span {
      color: var(--brand-1);
    }

    .footer-brand p {
      color: #8490A7;
      font-size: 14px;
      line-height: 1.85;
      max-width: 420px;
    }

    .footer-title {
      font-size: 16px;
      color: #fff;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .footer-links,
    .footer-contact {
      display: grid;
      gap: 12px;
    }

    .footer-links a {
      color: #93A0B8;
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      gap: 9px;
      transition: color .2s, padding-left .2s;
    }

    .footer-links a i {
      color: var(--brand-1);
      opacity: .75;
      font-style: normal;
    }

    .footer-links a:hover {
      color: var(--brand-1);
      padding-left: 6px;
    }

    .footer-contact li {
      display: flex;
      align-items: center;
      gap: 9px;
      color: #93A0B8;
      font-size: 14px;
      line-height: 1.5;
    }

    .footer-contact .c-icon {
      color: var(--brand-1);
      font-style: normal;
      min-width: 20px;
    }

    .footer-contact a {
      color: #AFEBD9;
    }

    .footer-contact a:hover {
      text-decoration: underline;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .07);
      padding: 22px 0 28px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      color: #748197;
      font-size: 13px;
    }

    .footer-bottom a {
      color: #8FA0B8;
      transition: color .2s;
    }

    .footer-bottom a:hover {
      color: var(--brand-1);
    }

    /*============================================================
      Responsive rules
    ============================================================*/
    @media (max-width: 1080px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 42px;
      }

      .hero-content {
        text-align: center;
      }

      .hero-content .hero-lead {
        margin-left: auto;
        margin-right: auto;
      }

      .hero-metrics,
      .btn-row {
        justify-content: center;
      }

      .verify-layout,
      .notice-grid {
        grid-template-columns: 1fr;
        gap: 38px;
      }

      .verify-intro {
        position: static;
      }

      .cta-banner {
        flex-direction: column;
        align-items: flex-start;
        padding: 48px;
      }

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

    @media (max-width: 860px) {
      .menu-toggle {
        display: inline-flex;
        margin-left: auto;
      }

      .header-cta {
        display: none;
      }

      .main-nav {
        position: absolute;
        top: 72px;
        left: 12px;
        right: 12px;
        margin-left: 0;
        padding: 10px;
        background: rgba(11, 15, 24, .98);
        border: 1px solid rgba(255, 255, 255, .1);
        border-radius: 20px;
        box-shadow: 0 30px 70px rgba(0, 0, 0, .42);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-14px);
        transition: opacity .28s ease, transform .28s ease, visibility .28s;
        z-index: 99;
      }

      .nav-open .main-nav {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
      }

      .main-nav nav,
      .main-nav ul {
        flex-direction: column;
        align-items: stretch;
      }

      .main-nav a {
        padding: 13px 16px;
        border-radius: 12px;
        font-size: 16px;
      }

      .main-nav a::after {
        bottom: 4px;
        left: 16px;
        right: 16px;
      }

      .main-nav a:hover {
        background: rgba(0, 229, 163, .05);
      }

      .security-status {
        padding: 76px 0;
      }

      .status-panels {
        grid-template-columns: 1fr;
      }

      .section-pad {
        padding: 76px 0;
      }
    }

    @media (max-width: 560px) {
      .container {
        padding: 0 18px;
      }

      .header-inner {
        padding: 0 18px;
        height: 64px;
      }

      .header-inner::after {
        left: 18px;
        right: 18px;
      }

      .main-nav {
        top: 64px;
      }

      .brand-mark {
        width: 32px;
        height: 32px;
        font-size: 10px;
        border-radius: 9px;
      }

      .brand-name {
        font-size: 14px;
      }

      .security-hero {
        padding: 58px 0 84px;
      }

      .hero-content h1 {
        font-size: 34px;
      }

      .hero-content {
        text-align: left;
      }

      .hero-metrics,
      .btn-row {
        justify-content: flex-start;
      }

      .hero-metrics {
        flex-wrap: wrap;
      }

      .metric {
        width: 100%;
      }

      .hero-shield-image img {
        height: 240px;
      }

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

      .status-card {
        padding: 26px 22px;
        min-height: 0;
      }

      .verify-layout,
      .notice-grid {
        gap: 26px;
      }

      .verify-item {
        align-items: flex-start;
        padding: 20px 18px;
        gap: 15px;
        flex-wrap: wrap;
      }

      .verify-icon {
        flex-basis: 46px;
        width: 46px;
        height: 46px;
        font-size: 18px;
      }

      .verify-item .go-link {
        width: 100%;
        margin-left: 0;
        font-size: 14px;
      }

      .verify-item:hover {
        transform: translateX(0);
      }

      .notice-copy-body {
        font-size: 14px;
      }

      .faq-question {
        padding: 18px 18px;
        font-size: 15px;
        align-items: flex-start;
      }

      .faq-icon {
        flex: 0 0 26px;
        width: 26px;
        height: 26px;
      }

      .faq-answer {
        padding: 0 18px 20px;
        font-size: 14px;
      }

      .cta-section {
        padding: 30px 0 0;
      }

      .cta-banner {
        padding: 22px 22px 28px;
        border-radius: 0;

      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-top: 44px;
      }

      .footer-bottom {
        display: grid;
        gap: 8px;
      }

      .footer-bottom p {
        font-size: 12px;
      }
    }

    @media (max-width: 390px) {
      .brand-name .subtle {
        display: none;
      }

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

/* roulang page: category3 */
:root {
  --font-ui: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Barlow Condensed", "Arial Narrow", sans-serif;
  --bg-body: #0B0F18;
  --bg-deep: #080B12;
  --bg-surface: #121A28;
  --bg-surface-2: #1A2333;
  --line: rgba(255, 255, 255, 0.09);
  --text-main: #EEF2FF;
  --text-muted: #A5B0C5;
  --brand-1: #00E5A3;
  --brand-2: #52FF8B;
  --grad-main: linear-gradient(135deg, #00E5A3, #52FF8B);
  --accent: #8A7CFF;
  --amber: #FFC24B;
  --danger: #FF5D73;
  --info: #5AC8FA;
  --radius-lg: 26px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 0 1px rgba(0, 229, 163, 0.25), 0 20px 60px rgba(0, 229, 163, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-body);
  color: var(--text-main);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--brand-1);
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  border: 0;
  cursor: pointer;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 104px 0;
  position: relative;
}

.section-head {
  max-width: 800px;
  margin-bottom: 54px;
}

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

.section-head h2 {
  color: #F5F7FF;
  font-size: clamp(30px, 3.4vw, 42px);
  line-height: 1.28;
  font-weight: 800;
  margin: 10px 0 16px;
  letter-spacing: -0.02em;
}

.section-head p {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.9;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-1);
  background: rgba(0, 229, 163, 0.08);
  border: 1px solid rgba(0, 229, 163, 0.2);
  padding: 6px 14px;
  border-radius: 999px;
}

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

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  color: #06281A;
  background: var(--grad-main);
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
  cursor: pointer;
  white-space: nowrap;
}

.btn i {
  font-size: 14px;
}

.btn-primary {
  color: #06281A;
  background: var(--grad-main);
  box-shadow: 0 12px 34px rgba(0, 229, 163, 0.18);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 229, 163, 0.25), 0 18px 44px rgba(0, 229, 163, 0.28);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
  box-shadow: none;
}

.btn-ghost:hover {
  color: var(--brand-1);
  border-color: rgba(0, 229, 163, 0.65);
  background: rgba(0, 229, 163, 0.06);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

:focus-visible {
  outline: 3px solid rgba(0, 229, 163, 0.55);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(11, 15, 24, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent 0%, rgba(0, 229, 163, 0.75) 30%, rgba(82, 255, 139, 0.5) 70%, transparent 100%);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #FFFFFF;
  flex-shrink: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: var(--grad-main);
  color: #06281A;
  font-weight: 900;
  font-size: 22px;
  display: grid;
  place-items: center;
  box-shadow: 0 0 22px rgba(0, 229, 163, 0.35);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.12;
}

.brand-text strong {
  font-size: 20px;
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: -0.01em;
}

.brand-text small {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0;
}

.main-nav li a {
  display: inline-flex;
  align-items: center;
  height: 72px;
  padding: 0 13px;
  color: rgba(238, 242, 255, 0.76);
  font-size: 15px;
  font-weight: 600;
  position: relative;
  transition: color 0.2s ease;
}

.main-nav li a:hover {
  color: var(--brand-1);
}

.main-nav li a.active {
  color: var(--brand-1);
}

.main-nav li a.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: -1px;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--grad-main);
  box-shadow: 0 0 12px rgba(0, 229, 163, 0.6);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  font-size: 19px;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--brand-1);
  color: var(--brand-1);
}

/* ---------- main hero ---------- */
.page-hero {
  position: relative;
  padding: 112px 0 96px;
  background:
    linear-gradient(112deg, rgba(11, 15, 24, 0.97) 0%, rgba(11, 15, 24, 0.90) 38%, rgba(18, 26, 40, 0.78) 70%, rgba(18, 26, 40, 0.7) 100%),
    url("/assets/images/backpic/back-2.png") center center / cover no-repeat;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  right: -120px;
  top: -80px;
  background: radial-gradient(circle, rgba(138, 124, 255, 0.22), transparent 66%);
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  left: -180px;
  bottom: -240px;
  background: radial-gradient(circle, rgba(0, 229, 163, 0.12), transparent 64%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 70px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  border-radius: 999px;
  background: rgba(0, 229, 163, 0.09);
  border: 1px solid rgba(0, 229, 163, 0.24);
  color: var(--brand-1);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hero-tag i {
  font-size: 12px;
}

.hero-copy h1 {
  color: #F7F9FF;
  font-size: clamp(38px, 4.8vw, 57px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.025em;
  margin: 18px 0 20px;
}

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

.hero-lead {
  max-width: 540px;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1.95;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 34px;
  margin-top: 38px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-stats .stat {
  min-width: 90px;
}

.hero-stats .stat strong {
  display: block;
  color: #FFFFFF;
  font-family: var(--font-num);
  font-size: 26px;
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.hero-stats .stat strong em {
  font-style: normal;
  color: var(--brand-1);
}

.hero-stats .stat span {
  color: var(--text-muted);
  font-size: 13px;
}

.hero-panel {
  position: relative;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(18, 26, 40, 0.7);
  padding: 14px;
  box-shadow: var(--shadow-soft);
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(0, 229, 163, 0.25), transparent 45%, rgba(138, 124, 255, 0.15));
  pointer-events: none;
  z-index: -1;
}

.hero-panel img {
  border-radius: 20px;
  width: 100%;
  height: 340px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.panel-note {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 13px 15px;
  border-radius: 16px;
  color: #DCE4F5;
  font-size: 14px;
}

.panel-note i {
  color: var(--brand-1);
  font-size: 18px;
}

.panel-mini {
  position: absolute;
  right: 28px;
  top: 28px;
  background: rgba(11, 15, 24, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 229, 163, 0.25);
  border-radius: 14px;
  padding: 9px 13px;
  color: var(--brand-1);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.24);
}

/* ---------- cards / badges / tag ---------- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(238, 242, 255, 0.84);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 7px 14px;
  border-radius: 999px;
  white-space: nowrap;
}

.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-1);
  box-shadow: 0 0 8px rgba(0, 229, 163, 0.6);
}

/* ---------- capability section ---------- */
.cap-section {
  background: linear-gradient(180deg, #0B0F18 0%, #0E1420 100%);
}

.cap-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(300px, 0.9fr);
  gap: 24px;
  align-items: stretch;
}

.cap-wide {
  padding: 40px 42px;
}

.cap-wide .card-title {
  font-size: 24px;
  color: #FFFFFF;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.cap-wide .card-sub {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 12px;
}

.cap-row {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.09);
}

.cap-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.cap-row:first-child {
  padding-top: 6px;
}

.cap-icon {
  width: 54px;
  height: 54px;
  border-radius: 15px;
  background: rgba(0, 229, 163, 0.1);
  border: 1px solid rgba(0, 229, 163, 0.18);
  color: var(--brand-1);
  font-size: 21px;
  display: grid;
  place-items: center;
  box-shadow: 0 0 20px rgba(0, 229, 163, 0.07);
}

.cap-row h4 {
  color: #F2F5FF;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.cap-row p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
  max-width: 620px;
}

.cap-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.side-plate {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.side-plate:hover {
  border-color: rgba(0, 229, 163, 0.2);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.18);
}

.side-plate h3 {
  color: #FFFFFF;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 9px;
}

.side-plate h3 i {
  color: var(--brand-1);
}

.side-plate p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.85;
}

.side-plate ul {
  margin-top: 12px;
}

.side-plate ul li {
  display: flex;
  gap: 8px;
  color: #B9C2D6;
  font-size: 14px;
  line-height: 1.8;
}

.side-plate ul li i {
  color: var(--brand-1);
  font-size: 12px;
  padding-top: 5px;
}

/* ---------- module / enterprise ---------- */
.module-section {
  background: var(--bg-deep);
}

.module-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 30px;
  align-items: stretch;
}

.module-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  min-height: 480px;
  box-shadow: var(--shadow-soft);
}

.module-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.module-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 15, 24, 0.85) 0%, rgba(11, 15, 24, 0.2) 50%, rgba(11, 15, 24, 0) 100%);
}

.module-image figcaption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 20px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  border-radius: 16px;
  background: rgba(11, 15, 24, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #DDECFF;
  font-size: 14px;
  backdrop-filter: blur(10px);
}

.module-image figcaption span {
  color: var(--brand-1);
  font-weight: 700;
}

.module-card {
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.module-card h3 {
  color: #F5F7FF;
  font-size: clamp(26px, 2.6vw, 34px);
  line-height: 1.3;
  font-weight: 800;
  margin: 14px 0 18px;
}

.module-card > p {
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 22px;
}

.chip-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0;
}

.chip-tags span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #CED7E8;
  font-size: 13px;
  font-weight: 600;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.chip-tags span:hover {
  border-color: var(--brand-1);
  color: var(--brand-1);
  transform: translateY(-2px);
}

.chip-tags span i {
  color: var(--brand-1);
  font-size: 12px;
}

.enterprise-points {
  display: grid;
  gap: 13px;
  margin-bottom: 28px;
}

.enterprise-points li {
  display: flex;
  gap: 11px;
  font-size: 15px;
  color: #D5DDF0;
  line-height: 1.7;
}

.enterprise-points li i {
  color: var(--brand-1);
  margin-top: 4px;
}

/* ---------- process ---------- */
.process-section {
  background: linear-gradient(180deg, var(--bg-body), #0E1521 100%);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.process-item {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 30px 26px;
  min-height: 250px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.process-item:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 163, 0.28);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.24), 0 0 0 1px rgba(0, 229, 163, 0.12);
}

.process-step {
  position: absolute;
  right: 18px;
  top: 12px;
  font-family: var(--font-num);
  font-size: 58px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.04);
  line-height: 1;
}

.process-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(138, 124, 255, 0.12);
  border: 1px solid rgba(138, 124, 255, 0.16);
  color: #B3A8FF;
  font-size: 21px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
}

.process-item:nth-child(2) .process-icon {
  background: rgba(0, 229, 163, 0.1);
  border-color: rgba(0, 229, 163, 0.18);
  color: var(--brand-1);
}

.process-item:nth-child(3) .process-icon {
  background: rgba(90, 200, 250, 0.1);
  border-color: rgba(90, 200, 250, 0.18);
  color: var(--info);
}

.process-item h3 {
  color: #FFFFFF;
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-item p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.85;
}

/* ---------- pricing ---------- */
.plan-section {
  background: var(--bg-deep);
}

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

.plan {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 34px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.plan:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 229, 163, 0.18);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.26);
}

.plan.featured {
  border: 2px solid transparent;
  background: linear-gradient(#121A28, #121A28) padding-box, var(--grad-main) border-box;
  box-shadow: 0 22px 60px rgba(0, 229, 163, 0.14);
}

.plan-label {
  position: absolute;
  right: 20px;
  top: 20px;
  font-size: 12px;
  font-weight: 800;
  padding: 7px 13px;
  border-radius: 999px;
  color: #06281A;
  background: var(--grad-main);
}

.plan-name {
  color: #F5F7FF;
  font-size: 22px;
  font-weight: 800;
  margin-right: 80px;
  margin-bottom: 10px;
}

.plan-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 22px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 22px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
}

.plan-price .price {
  color: #FFFFFF;
  font-family: var(--font-num);
  font-size: 38px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.plan-price .price-desc {
  color: var(--text-muted);
  font-size: 13px;
}

.plan-list {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
  flex: 1;
}

.plan-list li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  color: #CAD4E6;
  font-size: 15px;
  line-height: 1.65;
}

.plan-list li i {
  color: var(--brand-1);
  margin-top: 4px;
  font-size: 14px;
}

.plan .btn {
  width: 100%;
}

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

.faq-list {
  max-width: 920px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 14px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.faq-item:hover,
.faq-item.open {
  border-color: rgba(0, 229, 163, 0.24);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: transparent;
  color: #E9EEFF;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  padding: 22px 26px;
  transition: color 0.2s ease;
}

.faq-question span:first-child {
  flex: 1;
}

.faq-icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(0, 229, 163, 0.1);
  color: var(--brand-1);
  font-size: 14px;
  transition: transform 0.2s ease;
}

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

.faq-answer {
  display: none;
  padding: 0 28px 24px;
  color: var(--text-muted);
  line-height: 1.9;
  font-size: 15px;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-answer strong {
  color: #E3E8F7;
}

/* ---------- cta ---------- */
.cta-section {
  padding: 60px 0 104px;
  background: var(--bg-body);
}

.cta-box {
  position: relative;
  padding: 84px 56px;
  border-radius: 32px;
  overflow: hidden;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(0, 229, 163, 0.18), rgba(138, 124, 255, 0.14)),
    url("/assets/images/backpic/back-1.webp") center center / cover no-repeat;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.cta-box::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 15, 24, 0.72), rgba(11, 15, 24, 0.55));
  pointer-events: none;
}

.cta-box > * {
  position: relative;
  z-index: 2;
}

.cta-box h2 {
  color: #FFFFFF;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta-box p {
  color: rgba(238, 242, 255, 0.9);
  font-size: 17px;
  line-height: 1.9;
  max-width: 640px;
  margin: 0 auto 32px;
}

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

/* ---------- footer ---------- */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 163, 0.55), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 40px;
  padding: 76px 0 46px;
}

.footer-brand h4 {
  color: #FFFFFF;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 14px;
}

.footer-brand h4 span {
  color: var(--brand-1);
}

.footer-brand p {
  color: #8C96AB;
  font-size: 14px;
  line-height: 1.9;
  max-width: 320px;
}

.footer-title {
  color: #DFE6F7;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.footer-links a,
.footer-contact a {
  color: #9AA4BA;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--brand-1);
  transform: translateX(3px);
}

.footer-links i {
  color: var(--brand-1);
  font-size: 12px;
}

.footer-contact li {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  color: #9AA4BA;
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.footer-contact i {
  color: var(--brand-1);
  margin-top: 5px;
  font-size: 13px;
  width: 18px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  color: #7E8AA0;
  font-size: 13px;
}

.footer-bottom a {
  color: #B4BED4;
  transition: color 0.2s ease;
}

.footer-bottom a:hover {
  color: var(--brand-1);
}

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .header-inner {
    gap: 12px;
  }

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

  .main-nav {
    position: absolute;
    top: calc(100% + 2px);
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    background: rgba(11, 15, 24, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 14px;
    margin-left: 0;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(16px);
  }

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

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .main-nav li a {
    width: 100%;
    height: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
  }

  .main-nav li:last-child a {
    border-bottom: 0;
  }

  .main-nav li a.active::after {
    display: none;
  }

  .nav-cta {
    justify-content: center;
    margin-top: 8px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .hero-copy .hero-lead {
    max-width: 660px;
  }

  .hero-panel img {
    height: 300px;
  }

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

@media (max-width: 900px) {
  .section {
    padding: 72px 0;
  }

  .cap-grid,
  .module-layout {
    grid-template-columns: 1fr;
  }

  .module-image {
    min-height: 360px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }

  .cta-box {
    padding: 52px 28px;
  }

  .plan.featured {
    order: -1;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 18px;
  }

  .section {
    padding: 64px 0;
  }

  .section-head {
    margin-bottom: 38px;
  }

  .section-head p {
    font-size: 15px;
    line-height: 1.8;
  }

  .brand-text strong {
    font-size: 18px;
  }

  .brand-text small {
    font-size: 10px;
  }

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

  .hero-copy h1 {
    font-size: 35px;
  }

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

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

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

  .hero-stats {
    gap: 24px;
  }

  .hero-panel img {
    height: 240px;
  }

  .cap-wide {
    padding: 26px 22px;
  }

  .cap-row {
    grid-template-columns: 46px 1fr;
    gap: 14px;
  }

  .cap-row .tag {
    grid-column: 2;
    justify-self: start;
  }

  .cap-icon {
    width: 46px;
    height: 46px;
    font-size: 18px;
  }

  .module-card {
    padding: 26px 22px;
  }

  .module-image {
    min-height: 300px;
  }

  .module-image figcaption {
    flex-direction: column;
    align-items: flex-start;
  }

  .chip-tags span {
    padding: 7px 12px;
    font-size: 12px;
  }

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

  .plan.featured {
    order: -1;
  }

  .faq-question {
    padding: 18px 18px;
    font-size: 14px;
  }

  .faq-answer {
    padding: 0 18px 20px;
    font-size: 14px;
  }

  .cta-box {
    padding: 44px 24px;
    border-radius: 22px;
  }

  .cta-box p {
    font-size: 15px;
  }

  .cta-actions {
    flex-direction: column;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 60px 0 36px;
  }

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